--- /dev/null
+CONFIG_ALIGNMENT_TRAP=y
+CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
+CONFIG_ARCH_CNS21XX=y
+CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
+CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
+# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
+CONFIG_ARCH_NR_GPIO=0
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+CONFIG_ARM=y
+# CONFIG_ARM_CPU_SUSPEND is not set
+CONFIG_ARM_L1_CACHE_SHIFT=4
+CONFIG_ARM_L1_CACHE_SHIFT_4=y
+CONFIG_ARM_NR_BANKS=8
+# CONFIG_ARPD is not set
+CONFIG_ATA=m
+CONFIG_ATAGS=y
+# CONFIG_CACHE_L2X0 is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_CLONE_BACKWARDS=y
+CONFIG_CMDLINE="console=ttyS0,38400 rootfstype=squashfs,jffs2 noinitrd"
+CONFIG_CMDLINE_FROM_BOOTLOADER=y
+CONFIG_CNS21XX_DEV_GEC=y
+CONFIG_CNS21XX_DEV_SPI_MASTER=y
+CONFIG_CNS21XX_DEV_USB=y
+CONFIG_CNS21XX_GEC=y
+CONFIG_CPU_32v4=y
+CONFIG_CPU_ABRT_EV4=y
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_CPU_CACHE_FA=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_COPY_FA=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
+CONFIG_CPU_FA526=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+CONFIG_CPU_PABRT_LEGACY=y
+CONFIG_CPU_TLB_FA=y
+CONFIG_CPU_USE_DOMAINS=y
+CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
+# CONFIG_DEBUG_USER is not set
+CONFIG_DLCI=m
+CONFIG_DLCI_MAX=8
+CONFIG_DMADEVICES=y
+CONFIG_DNOTIFY=y
+CONFIG_EEPROM_AT25=y
+CONFIG_FA_WATCHDOG=y
+CONFIG_FRAME_POINTER=y
+CONFIG_GENERIC_ATOMIC64=y
+CONFIG_GENERIC_BUG=y
+CONFIG_GENERIC_IDLE_POLL_SETUP=y
+CONFIG_GENERIC_IO=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_SMP_IDLE_THREAD=y
+CONFIG_GENERIC_STRNCPY_FROM_USER=y
+CONFIG_GENERIC_STRNLEN_USER=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_DEVRES=y
+CONFIG_GPIO_SYSFS=y
+# CONFIG_HAMRADIO is not set
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
+CONFIG_HAVE_ARCH_JUMP_LABEL=y
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_HAVE_ARCH_PFN_VALID=y
+CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
+CONFIG_HAVE_ARCH_TRACEHOOK=y
+# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
+CONFIG_HAVE_BPF_JIT=y
+CONFIG_HAVE_CONTEXT_TRACKING=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_HAVE_DEBUG_KMEMLEAK=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_DMA_ATTRS=y
+CONFIG_HAVE_DMA_CONTIGUOUS=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_HAVE_GENERIC_HARDIRQS=y
+CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_HAVE_KERNEL_XZ=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_HAVE_NET_DSA=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_HAVE_PROC_CPU=y
+CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
+CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
+CONFIG_HAVE_UID16=y
+CONFIG_HDLC=m
+CONFIG_HDLC_CISCO=m
+CONFIG_HDLC_FR=m
+CONFIG_HDLC_PPP=m
+CONFIG_HDLC_RAW=m
+CONFIG_HWMON=y
+CONFIG_HW_RANDOM=y
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
+CONFIG_IRQ_WORK=y
+CONFIG_KTIME_SCALAR=y
+CONFIG_M25PXX_USE_FAST_READ=y
+CONFIG_MACH_NSB3AST=y
+CONFIG_MACH_NS_K330=y
+CONFIG_MDIO_BOARDINFO=y
+CONFIG_MODULES_USE_ELF_REL=y
+# CONFIG_MTD_CFI is not set
+CONFIG_MTD_M25P80=y
+CONFIG_NEED_DMA_MAP_STATE=y
+CONFIG_NEED_KUSER_HELPERS=y
+CONFIG_NEED_PER_CPU_KM=y
+CONFIG_NLS=m
+CONFIG_OLD_SIGACTION=y
+CONFIG_OLD_SIGSUSPEND3=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_PAGE_OFFSET=0xC0000000
+# CONFIG_PCI_SYSCALL is not set
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PHYLIB=y
+CONFIG_PHYS_OFFSET=0x00000000
+CONFIG_PLAT_FA=y
+CONFIG_PLAT_FA_GPIO=y
+CONFIG_PLAT_FA_TIME=y
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_RCU_STALL_COMMON is not set
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_SCSI=m
+CONFIG_SCSI_MOD=m
+# CONFIG_SCSI_MULTI_LUN is not set
+CONFIG_SERIO=y
+CONFIG_SERIO_LIBPS2=y
+CONFIG_SERIO_SERPORT=y
+CONFIG_SPI=y
+CONFIG_SPI_BITBANG=y
+CONFIG_SPI_CNS21XX=y
+CONFIG_SPI_DEBUG=y
+CONFIG_SPI_MASTER=y
+CONFIG_SPLIT_PTLOCK_CPUS=999999
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_TICK_CPU_ACCOUNTING=y
+CONFIG_UID16=y
+CONFIG_UIDGID_CONVERTED=y
+CONFIG_UNCOMPRESS_INCLUDE="mach/uncompress.h"
+# CONFIG_USB_ARCH_HAS_XHCI is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_WAN=y
+CONFIG_XZ_DEC_ARM=y
+CONFIG_XZ_DEC_BCJ=y
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZONE_DMA_FLAG=0
--- /dev/null
+--- a/kernel/printk.c
++++ b/kernel/printk.c
+@@ -65,6 +65,10 @@ int console_printk[4] = {
+ DEFAULT_CONSOLE_LOGLEVEL, /* default_console_loglevel */
+ };
+
++#ifdef CONFIG_DEBUG_LL
++extern void printascii(char *);
++#endif /* CONFIG_DEBUG_LL */
++
+ /*
+ * Low level drivers may need that to know if they can schedule in
+ * their unblank() callback or not. So let's export it.
+@@ -521,6 +525,10 @@ static ssize_t devkmsg_read(struct file
+ ts_usec = msg->ts_nsec;
+ do_div(ts_usec, 1000);
+
++#ifdef CONFIG_DEBUG_LL
++ printascii(printk_buf);
++#endif
++
+ /*
+ * If we couldn't merge continuation line fragments during the print,
+ * export the stored flags to allow an optional external merge of the
--- /dev/null
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -1028,10 +1028,15 @@ source "arch/arm/mach-w90x900/Kconfig"
+
+ source "arch/arm/mach-zynq/Kconfig"
+
++source "arch/arm/plat-fa/Kconfig"
++
+ # Definitions to make life easier
+ config ARCH_ACORN
+ bool
+
++config PLAT_FA
++ bool
++
+ config PLAT_IOP
+ bool
+ select GENERIC_CLOCKEVENTS
+--- a/arch/arm/Makefile
++++ b/arch/arm/Makefile
+@@ -205,6 +205,7 @@ machine-$(CONFIG_ARCH_SUNXI) += sunxi
+ plat-$(CONFIG_ARCH_OMAP) += omap
+ plat-$(CONFIG_ARCH_S3C64XX) += samsung
+ plat-$(CONFIG_PLAT_IOP) += iop
++plat-$(CONFIG_PLAT_FA) += fa
+ plat-$(CONFIG_PLAT_ORION) += orion
+ plat-$(CONFIG_PLAT_PXA) += pxa
+ plat-$(CONFIG_PLAT_S3C24XX) += samsung
+--- /dev/null
++++ b/arch/arm/plat-fa/Makefile
+@@ -0,0 +1,10 @@
++#
++# Makefile for the linux kernel.
++#
++
++obj-y :=
++
++obj-m :=
++obj-n :=
++obj- :=
++
+--- /dev/null
++++ b/arch/arm/plat-fa/Kconfig
+@@ -0,0 +1,3 @@
++if PLAT_FA
++
++endif
--- /dev/null
+--- /dev/null
++++ b/arch/arm/plat-fa/include/plat/time.h
+@@ -0,0 +1,20 @@
++/*
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ */
++
++#ifndef _FA_TIME_H
++#define _FA_TIME_H
++
++#define FA_TIMER1 0
++#define FA_TIMER2 1
++#define FA_TIMER3 2
++
++int __init fa_timer_init(unsigned int mapbase, unsigned int irq,
++ unsigned int timer, unsigned int freq);
++
++#endif /* _FA_TIME_H */
+--- /dev/null
++++ b/arch/arm/plat-fa/time.c
+@@ -0,0 +1,97 @@
++/*
++ * Copyright (C) 2001-2006 Storlink, Corp.
++ * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ */
++
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/irq.h>
++#include <linux/io.h>
++
++#include <asm/mach/time.h>
++#include <plat/time.h>
++
++/*
++ * Register definitions for the timers
++ */
++#define TIMER_COUNT(_base, _tmr) ((_base) + 0x00 + (_tmr) * 0x10)
++#define TIMER_LOAD(_base, _tmr) ((_base) + 0x04 + (_tmr) * 0x10)
++#define TIMER_MATCH1(_base, _tmr) ((_base) + 0x08 + (_tmr) * 0x10)
++#define TIMER_MATCH2(_base, _tmr) ((_base) + 0x0c + (_tmr) * 0x10)
++
++#define TIMER_CR(_base) ((_base) + 0x30)
++#define TIMER_STATUS(_base) ((_base) + 0x34)
++#define TIMER_MASK(_base) ((_base) + 0x38)
++
++#define TIMER_SIZE 0x3c
++
++#define TIMER_CR_ENABLE(x) (1 << ((x) * 3))
++#define TIMER_CR_CLOCK(x) (1 << ((x) * 3 + 1))
++#define TIMER_CR_INT(x) (1 << ((x) * 3 + 2))
++#define TIMER_CR_DOWN(x) (1 << ((x) * 3 + 9))
++
++#define TIMER_MASK_MATCH1(x) (1 << ((x) * 3))
++#define TIMER_MASK_MATCH2(x) (1 << ((x) * 3 + 1))
++#define TIMER_MASK_OF(x) (1 << ((x) * 3 + 2))
++
++#define TIMER_MASK_ALL 0x7ff
++
++/*
++ * IRQ handler for the timer
++ */
++static irqreturn_t fa_timer_interrupt(int irq, void *dev_id)
++{
++ timer_tick();
++ return IRQ_HANDLED;
++}
++
++static struct irqaction fa_timer_irq = {
++ .name = "Timer Tick",
++ .flags = IRQF_DISABLED | IRQF_TIMER,
++ .handler = fa_timer_interrupt,
++};
++
++int __init fa_timer_init(unsigned int mapbase, unsigned int irq,
++ unsigned int timer, unsigned int freq)
++{
++ void __iomem *base;
++
++ base = ioremap(mapbase, TIMER_SIZE);
++ if (!base)
++ return -ENOMEM;
++
++ /* disable timers, clear status and mask all interrupts */
++ __raw_writel(0, TIMER_CR(base));
++ __raw_writel(0, TIMER_STATUS(base));
++ __raw_writel(TIMER_MASK_ALL, TIMER_MASK(base));
++
++ /*
++ * Make irqs happen for the system timer
++ */
++ setup_irq(irq, &fa_timer_irq);
++
++ /* Setup the timer */
++ __raw_writel(freq / HZ, TIMER_COUNT(base, timer));
++ __raw_writel(freq / HZ, TIMER_LOAD(base, timer));
++ __raw_writel(0, TIMER_MATCH1(base, timer));
++ __raw_writel(0, TIMER_MATCH2(base, timer));
++
++ /* Enable interrupt and start the timer */
++ __raw_writel(TIMER_MASK_ALL & ~TIMER_MASK_OF(timer),
++ TIMER_MASK(base));
++
++ __raw_writel(TIMER_CR_ENABLE(timer) |
++ TIMER_CR_INT(timer) |
++ TIMER_CR_DOWN(timer),
++ TIMER_CR(base));
++
++ iounmap(base);
++
++ return 0;
++}
+--- a/arch/arm/plat-fa/Kconfig
++++ b/arch/arm/plat-fa/Kconfig
+@@ -1,3 +1,6 @@
+ if PLAT_FA
+
++config PLAT_FA_TIME
++ def_bool n
++
+ endif
+--- a/arch/arm/plat-fa/Makefile
++++ b/arch/arm/plat-fa/Makefile
+@@ -4,6 +4,8 @@
+
+ obj-y :=
+
++obj-$(CONFIG_PLAT_FA_TIME) += time.o
++
+ obj-m :=
+ obj-n :=
+ obj- :=
--- /dev/null
+--- /dev/null
++++ b/arch/arm/plat-fa/gpio.c
+@@ -0,0 +1,283 @@
++/*
++ * Gpiochip and interrupt routines for Faraday FA526 based SoCs
++ *
++ * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
++ * Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * Based on plat-mxc/gpio.c:
++ * MXC GPIO supchip. (c) 2008 Daniel Mack <daniel@caiaq.de>
++ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ */
++
++#include <linux/spinlock.h>
++
++#include <plat/gpio.h>
++
++#define GPIO_DATA_OUT 0x0
++#define GPIO_DATA_IN 0x4
++#define GPIO_DIR 0x8
++#define GPIO_DATA_SET 0x10
++#define GPIO_DATA_CLR 0x14
++#define GPIO_PULL_EN 0x18
++#define GPIO_PULL_TYPE 0x1C
++#define GPIO_INT_EN 0x20
++#define GPIO_INT_STAT 0x24
++#define GPIO_INT_MASK 0x2C
++#define GPIO_INT_CLR 0x30
++#define GPIO_INT_TYPE 0x34
++#define GPIO_INT_BOTH_EDGE 0x38
++#define GPIO_INT_LEVEL 0x3C
++#define GPIO_DEBOUNCE_EN 0x40
++#define GPIO_DEBOUNCE_PRESCALE 0x44
++
++#define GPIO_REGS_SIZE 0x48
++
++static DEFINE_SPINLOCK(fa_gpio_lock);
++
++static inline struct fa_gpio_chip *to_fgc(struct gpio_chip *chip)
++{
++ return container_of(chip, struct fa_gpio_chip, gpio_chip);
++}
++
++static void _fa_gpio_irq_setenable(struct irq_data *d, int enable)
++{
++ struct fa_gpio_chip *fgc = irq_get_chip_data(d->irq);
++ void __iomem *base = fgc->mem_base;
++ unsigned int gpio = d->irq - fgc->irq_base;
++ unsigned int reg;
++
++ reg = __raw_readl(base + GPIO_INT_EN);
++ reg = (reg & (~(1 << gpio))) | (!!enable << gpio);
++ __raw_writel(reg, base + GPIO_INT_EN);
++}
++
++static void fa_gpio_irq_ack(struct irq_data *d)
++{
++ struct fa_gpio_chip *fgc = irq_get_chip_data(d->irq);
++ unsigned int gpio = d->irq - fgc->irq_base;
++
++ __raw_writel(1 << gpio, fgc->mem_base + GPIO_INT_CLR);
++}
++
++static void fa_gpio_irq_mask(struct irq_data *d)
++{
++ _fa_gpio_irq_setenable(d, 0);
++}
++
++static void fa_gpio_irq_unmask(struct irq_data *d)
++{
++ _fa_gpio_irq_setenable(d, 1);
++}
++
++static int fa_gpio_irq_set_type(struct irq_data *d, unsigned int type)
++{
++ struct fa_gpio_chip *fgc = irq_get_chip_data(d->irq);
++ void __iomem *base = fgc->mem_base;
++ unsigned int gpio = d->irq - fgc->irq_base;
++ unsigned int gpio_mask = 1 << gpio;
++ unsigned int reg_both, reg_level, reg_type;
++
++ reg_type = __raw_readl(base + GPIO_INT_TYPE);
++ reg_level = __raw_readl(base + GPIO_INT_LEVEL);
++ reg_both = __raw_readl(base + GPIO_INT_BOTH_EDGE);
++
++ switch (type) {
++ case IRQ_TYPE_EDGE_BOTH:
++ reg_type &= ~gpio_mask;
++ reg_both |= gpio_mask;
++ break;
++ case IRQ_TYPE_EDGE_RISING:
++ reg_type &= ~gpio_mask;
++ reg_both &= ~gpio_mask;
++ reg_level &= ~gpio_mask;
++ break;
++ case IRQ_TYPE_EDGE_FALLING:
++ reg_type &= ~gpio_mask;
++ reg_both &= ~gpio_mask;
++ reg_level |= gpio_mask;
++ break;
++ case IRQ_TYPE_LEVEL_HIGH:
++ reg_type |= gpio_mask;
++ reg_level &= ~gpio_mask;
++ break;
++ case IRQ_TYPE_LEVEL_LOW:
++ reg_type |= gpio_mask;
++ reg_level |= gpio_mask;
++ break;
++ default:
++ return -EINVAL;
++ }
++
++ __raw_writel(reg_type, base + GPIO_INT_TYPE);
++ __raw_writel(reg_level, base + GPIO_INT_LEVEL);
++ __raw_writel(reg_both, base + GPIO_INT_BOTH_EDGE);
++
++ fa_gpio_irq_ack(d);
++
++ return 0;
++}
++
++static void fa_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
++{
++ struct fa_gpio_data *data = irq_get_handler_data(irq);
++ unsigned int chip;
++
++ for (chip = 0; chip < data->nchips; chip++) {
++ struct fa_gpio_chip *fgc = &data->chips[chip];
++ unsigned int status;
++ unsigned int i;
++
++ status = __raw_readl(fgc->mem_base + GPIO_INT_STAT);
++ for (i = fgc->irq_base; status != 0; status >>= 1, i++) {
++ if ((status & 1) == 0)
++ continue;
++
++ BUG_ON(!(irq_desc[i].handle_irq));
++ irq_desc[i].handle_irq(i, &irq_desc[i]);
++ }
++ }
++}
++
++static struct irq_chip fa_gpio_irq_chip = {
++ .name = "GPIO",
++ .irq_ack = fa_gpio_irq_ack,
++ .irq_mask = fa_gpio_irq_mask,
++ .irq_unmask = fa_gpio_irq_unmask,
++ .irq_set_type = fa_gpio_irq_set_type,
++};
++
++static void _fa_gpio_set_direction(struct fa_gpio_chip *fgc, unsigned offset,
++ int is_output)
++{
++ unsigned int reg;
++
++ reg = __raw_readl(fgc->mem_base + GPIO_DIR);
++ if (is_output)
++ reg |= 1 << offset;
++ else
++ reg &= ~(1 << offset);
++ __raw_writel(reg, fgc->mem_base + GPIO_DIR);
++}
++
++static void _fa_gpio_set(struct fa_gpio_chip *fgc, unsigned offset, int value)
++{
++ if (value)
++ __raw_writel(1 << offset, fgc->mem_base + GPIO_DATA_SET);
++ else
++ __raw_writel(1 << offset, fgc->mem_base + GPIO_DATA_CLR);
++}
++
++static void fa_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
++{
++ struct fa_gpio_chip *fgc = to_fgc(chip);
++
++ _fa_gpio_set(fgc, offset, value);
++}
++
++static int fa_gpio_get(struct gpio_chip *chip, unsigned offset)
++{
++ struct fa_gpio_chip *fgc = to_fgc(chip);
++
++ return (__raw_readl(fgc->mem_base + GPIO_DATA_IN) >> offset) & 1;
++}
++
++static int fa_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
++{
++ struct fa_gpio_chip *fgc = to_fgc(chip);
++
++ return fgc->irq_base + offset;
++}
++
++static int fa_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
++{
++ struct fa_gpio_chip *fgc = to_fgc(chip);
++ unsigned long flags;
++
++ spin_lock_irqsave(&fa_gpio_lock, flags);
++
++ _fa_gpio_set_direction(fgc, offset, 0);
++
++ spin_unlock_irqrestore(&fa_gpio_lock, flags);
++
++ return 0;
++}
++
++static int fa_gpio_direction_output(struct gpio_chip *chip,
++ unsigned offset,
++ int value)
++{
++ struct fa_gpio_chip *fgc = to_fgc(chip);
++ unsigned long flags;
++
++ spin_lock_irqsave(&fa_gpio_lock, flags);
++
++ _fa_gpio_set(fgc, offset, value);
++ _fa_gpio_set_direction(fgc, offset, 1);
++
++ spin_unlock_irqrestore(&fa_gpio_lock, flags);
++
++ return 0;
++}
++
++static int fa_gpio_init_chip(struct fa_gpio_chip *fgc)
++{
++ void __iomem *mem_base;
++ unsigned int i;
++ int err;
++
++ mem_base = ioremap(fgc->map_base, GPIO_REGS_SIZE);
++ if (!mem_base)
++ return -ENXIO;
++
++ fgc->mem_base = mem_base;
++
++ fgc->gpio_chip.direction_input = fa_gpio_direction_input;
++ fgc->gpio_chip.direction_output = fa_gpio_direction_output;
++ fgc->gpio_chip.get = fa_gpio_get;
++ fgc->gpio_chip.set = fa_gpio_set;
++ fgc->gpio_chip.to_irq = fa_gpio_to_irq;
++
++ /* disable, unmask and clear all interrupts */
++ __raw_writel(0x0, mem_base + GPIO_INT_EN);
++ __raw_writel(0x0, mem_base + GPIO_INT_MASK);
++ __raw_writel(~0x0, mem_base + GPIO_INT_CLR);
++
++ for (i = fgc->irq_base;
++ i < fgc->irq_base + fgc->gpio_chip.ngpio; i++) {
++ irq_set_chip(i, &fa_gpio_irq_chip);
++ irq_set_chip_data(i, fgc);
++ irq_set_handler(i, handle_edge_irq);
++ set_irq_flags(i, IRQF_VALID);
++ }
++
++ err = gpiochip_add(&fgc->gpio_chip);
++ if (err)
++ goto unmap;
++
++ return 0;
++
++ unmap:
++ iounmap(fgc->mem_base);
++ return err;
++}
++
++void __init fa_gpio_init(struct fa_gpio_data *data)
++{
++ unsigned int i;
++
++ for (i = 0; i < data->nchips; i++) {
++ int err;
++
++ err = fa_gpio_init_chip(&data->chips[i]);
++ if (WARN(err, "GPIO init failed\n"))
++ return;
++ }
++
++ irq_set_chained_handler(data->irq, fa_gpio_irq_handler);
++ irq_set_handler_data(data->irq, data);
++}
+--- /dev/null
++++ b/arch/arm/plat-fa/include/plat/gpio.h
+@@ -0,0 +1,33 @@
++/*
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _FA_GPIO_H
++#define _FA_GPIO_H
++
++#include <linux/init.h>
++#include <linux/gpio.h>
++#include <linux/irq.h>
++#include <linux/io.h>
++
++struct fa_gpio_chip {
++ struct gpio_chip gpio_chip;
++ unsigned int map_base;
++ unsigned int irq_base;
++
++ void __iomem *mem_base;
++};
++
++struct fa_gpio_data {
++ struct fa_gpio_chip *chips;
++ unsigned int nchips;
++ unsigned int irq;
++};
++
++void __init fa_gpio_init(struct fa_gpio_data *data);
++
++#endif /* _FA_GPIO_H */
+--- a/arch/arm/plat-fa/Kconfig
++++ b/arch/arm/plat-fa/Kconfig
+@@ -1,5 +1,8 @@
+ if PLAT_FA
+
++config PLAT_FA_GPIO
++ def_bool n
++
+ config PLAT_FA_TIME
+ def_bool n
+
+--- a/arch/arm/plat-fa/Makefile
++++ b/arch/arm/plat-fa/Makefile
+@@ -4,6 +4,7 @@
+
+ obj-y :=
+
++obj-$(CONFIG_PLAT_FA_GPIO) += gpio.o
+ obj-$(CONFIG_PLAT_FA_TIME) += time.o
+
+ obj-m :=
--- /dev/null
+--- a/drivers/watchdog/Kconfig
++++ b/drivers/watchdog/Kconfig
+@@ -391,6 +391,13 @@ config RETU_WATCHDOG
+ To compile this driver as a module, choose M here: the
+ module will be called retu_wdt.
+
++config FA_WATCHDOG
++ tristate "Faraday watchdog"
++ depends on ARCH_GEMINI
++ help
++ Say Y here if you want support for the built-in watchdog timer
++ found in some Faraday FA526 based SoCs.
++
+ # AVR32 Architecture
+
+ config AT32AP700X_WDT
+--- a/drivers/watchdog/Makefile
++++ b/drivers/watchdog/Makefile
+@@ -54,6 +54,7 @@ obj-$(CONFIG_TS72XX_WATCHDOG) += ts72xx_
+ obj-$(CONFIG_IMX2_WDT) += imx2_wdt.o
+ obj-$(CONFIG_UX500_WATCHDOG) += ux500_wdt.o
+ obj-$(CONFIG_RETU_WATCHDOG) += retu_wdt.o
++obj-$(CONFIG_FA_WATCHDOG) += fa_wdt.o
+
+ # AVR32 Architecture
+ obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o
+--- /dev/null
++++ b/drivers/watchdog/fa_wdt.c
+@@ -0,0 +1,413 @@
++/*
++ * Watchdog driver for SoCs based on the Faraday FA526 core
++ *
++ * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
++ * Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/init.h>
++#include <linux/io.h>
++#include <linux/fs.h>
++#include <linux/notifier.h>
++#include <linux/reboot.h>
++#include <linux/uaccess.h>
++#include <linux/miscdevice.h>
++#include <linux/platform_device.h>
++#include <linux/watchdog.h>
++#include <linux/slab.h>
++#include <linux/fa_wdt.h>
++
++#define FA_WDCOUNTER 0x0
++#define FA_WDLOAD 0x4
++#define FA_WDRESTART 0x8
++
++#define WDRESTART_MAGIC 0x5AB9
++
++#define FA_WDCR 0xC
++
++#define WDCR_CLOCK_5MHZ (1 << 4)
++#define WDCR_SYS_RST (1 << 1)
++#define WDCR_ENABLE (1 << 0)
++
++#define WDT_DEFAULT_TIMEOUT 13
++
++/* status bits */
++#define WDT_ACTIVE 0
++#define WDT_OK_TO_CLOSE 1
++
++static unsigned int timeout = WDT_DEFAULT_TIMEOUT;
++static int nowayout = WATCHDOG_NOWAYOUT;
++
++static DEFINE_SPINLOCK(fa_wdt_lock);
++
++static struct platform_device *fa_wdt_dev;
++
++struct fa_wdt_struct {
++ struct resource *res;
++ struct device *dev;
++ void __iomem *base;
++ unsigned long status;
++ unsigned int clock;
++ unsigned int max_timeout;
++};
++
++static const struct watchdog_info fa_wdt_info = {
++ .identity = "Faraday watchdog",
++ .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING |
++ WDIOF_SETTIMEOUT,
++};
++
++/* Disable the watchdog. */
++static void fa_wdt_stop(struct fa_wdt_struct *fa_wdt)
++{
++ spin_lock(&fa_wdt_lock);
++
++ __raw_writel(0, fa_wdt->base + FA_WDCR);
++
++ clear_bit(WDT_ACTIVE, &fa_wdt->status);
++
++ spin_unlock(&fa_wdt_lock);
++}
++
++/* Service the watchdog */
++static void fa_wdt_service(struct fa_wdt_struct *fa_wdt)
++{
++ __raw_writel(WDRESTART_MAGIC, fa_wdt->base + FA_WDRESTART);
++}
++
++/* Enable and reset the watchdog. */
++static void fa_wdt_start(struct fa_wdt_struct *fa_wdt)
++{
++ spin_lock(&fa_wdt_lock);
++
++ __raw_writel(timeout * fa_wdt->clock,
++ fa_wdt->base + FA_WDLOAD);
++
++ fa_wdt_service(fa_wdt);
++
++ /* set clock before enabling */
++ __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST,
++ fa_wdt->base + FA_WDCR);
++
++ __raw_writel(WDCR_CLOCK_5MHZ | WDCR_SYS_RST | WDCR_ENABLE,
++ fa_wdt->base + FA_WDCR);
++
++ set_bit(WDT_ACTIVE, &fa_wdt->status);
++
++ spin_unlock(&fa_wdt_lock);
++}
++
++/* Watchdog device is opened, and watchdog starts running. */
++static int fa_wdt_open(struct inode *inode, struct file *file)
++{
++ struct fa_wdt_struct *fa_wdt = platform_get_drvdata(fa_wdt_dev);
++
++ if (test_bit(WDT_ACTIVE, &fa_wdt->status))
++ return -EBUSY;
++
++ file->private_data = fa_wdt;
++
++ fa_wdt_start(fa_wdt);
++
++ return nonseekable_open(inode, file);
++}
++
++/* Close the watchdog device. */
++static int fa_wdt_close(struct inode *inode, struct file *file)
++{
++ struct fa_wdt_struct *fa_wdt = file->private_data;
++
++ /* Disable the watchdog if possible */
++ if (test_bit(WDT_OK_TO_CLOSE, &fa_wdt->status))
++ fa_wdt_stop(fa_wdt);
++ else
++ dev_warn(fa_wdt->dev, "Device closed unexpectedly - timer will not stop\n");
++
++ return 0;
++}
++
++/* Handle commands from user-space. */
++static long fa_wdt_ioctl(struct file *file, unsigned int cmd,
++ unsigned long arg)
++{
++ struct fa_wdt_struct *fa_wdt = file->private_data;
++
++ int value;
++
++ switch (cmd) {
++ case WDIOC_KEEPALIVE:
++ fa_wdt_service(fa_wdt);
++ return 0;
++
++ case WDIOC_GETSUPPORT:
++ return copy_to_user((struct watchdog_info *)arg, &fa_wdt_info,
++ sizeof(fa_wdt_info)) ? -EFAULT : 0;
++
++ case WDIOC_SETTIMEOUT:
++ if (get_user(value, (int *)arg))
++ return -EFAULT;
++
++ if ((value < 1) || (value > fa_wdt->max_timeout))
++ return -EINVAL;
++
++ timeout = value;
++
++ /* restart wdt to use new timeout */
++ fa_wdt_stop(fa_wdt);
++ fa_wdt_start(fa_wdt);
++
++ /* Fall through */
++ case WDIOC_GETTIMEOUT:
++ return put_user(timeout, (int *)arg);
++
++ case WDIOC_GETTIMELEFT:
++ value = __raw_readl(fa_wdt->base + FA_WDCOUNTER);
++ return put_user(value / fa_wdt->clock, (int *)arg);
++
++ default:
++ return -ENOTTY;
++ }
++}
++
++/* Refresh the watchdog whenever device is written to. */
++static ssize_t fa_wdt_write(struct file *file, const char *data,
++ size_t len, loff_t *ppos)
++{
++ struct fa_wdt_struct *fa_wdt = file->private_data;
++
++ if (len) {
++ if (!nowayout) {
++ size_t i;
++
++ clear_bit(WDT_OK_TO_CLOSE, &fa_wdt->status);
++ for (i = 0; i != len; i++) {
++ char c;
++
++ if (get_user(c, data + i))
++ return -EFAULT;
++ if (c == 'V')
++ set_bit(WDT_OK_TO_CLOSE,
++ &fa_wdt->status);
++ }
++ }
++ fa_wdt_service(fa_wdt);
++ }
++
++ return len;
++}
++
++static int fa_wdt_notify_sys(struct notifier_block *this,
++ unsigned long code, void *unused)
++{
++ struct fa_wdt_struct *fa_wdt = platform_get_drvdata(fa_wdt_dev);
++
++ if (code == SYS_DOWN || code == SYS_HALT)
++ fa_wdt_stop(fa_wdt);
++
++ return NOTIFY_DONE;
++}
++
++static struct notifier_block fa_wdt_notifier = {
++ .notifier_call = fa_wdt_notify_sys,
++};
++
++static const struct file_operations fa_wdt_fops = {
++ .owner = THIS_MODULE,
++ .llseek = no_llseek,
++ .unlocked_ioctl = fa_wdt_ioctl,
++ .open = fa_wdt_open,
++ .release = fa_wdt_close,
++ .write = fa_wdt_write,
++};
++
++static struct miscdevice fa_wdt_miscdev = {
++ .minor = WATCHDOG_MINOR,
++ .name = "watchdog",
++ .fops = &fa_wdt_fops,
++};
++
++static void fa_wdt_shutdown(struct platform_device *pdev)
++{
++ struct fa_wdt_struct *fa_wdt = platform_get_drvdata(pdev);
++
++ fa_wdt_stop(fa_wdt);
++}
++
++static int fa_wdt_probe(struct platform_device *pdev)
++{
++ int ret;
++ int res_size;
++ struct resource *res;
++ void __iomem *base;
++ struct fa_wdt_struct *fa_wdt;
++ struct fa_wdt_platform_data *pdata;
++
++ pdata = pdev->dev.platform_data;
++ if (!pdata) {
++ dev_err(&pdev->dev, "no platform data specified\n");
++ return -EINVAL;
++ }
++
++ if (!pdata->clock) {
++ dev_err(&pdev->dev, "invalid clock value\n");
++ return -EINVAL;
++ }
++
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!res) {
++ dev_err(&pdev->dev, "can't get device resources\n");
++ return -ENODEV;
++ }
++
++ res_size = resource_size(res);
++ if (!request_mem_region(res->start, res_size, res->name)) {
++ dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
++ res_size, res->start);
++ return -ENOMEM;
++ }
++
++ base = ioremap(res->start, res_size);
++ if (!base) {
++ dev_err(&pdev->dev, "ioremap failed\n");
++ ret = -EIO;
++ goto fail0;
++ }
++
++ fa_wdt = kzalloc(sizeof(struct fa_wdt_struct), GFP_KERNEL);
++ if (!fa_wdt) {
++ dev_err(&pdev->dev, "can't allocate interface\n");
++ ret = -ENOMEM;
++ goto fail1;
++ }
++
++ /* Setup fa_wdt driver structure */
++ fa_wdt->base = base;
++ fa_wdt->res = res;
++ fa_wdt->dev = &pdev->dev;
++ fa_wdt->clock = pdata->clock;
++ fa_wdt->max_timeout = 0xffffffffU / pdata->clock;
++
++ /* Set up platform driver data */
++ platform_set_drvdata(pdev, fa_wdt);
++ fa_wdt_dev = pdev;
++
++ if (fa_wdt_miscdev.parent) {
++ ret = -EBUSY;
++ goto fail2;
++ }
++
++ ret = register_reboot_notifier(&fa_wdt_notifier);
++ if (ret)
++ goto fail2;
++
++ fa_wdt_miscdev.parent = &pdev->dev;
++
++ ret = misc_register(&fa_wdt_miscdev);
++ if (ret)
++ goto fail3;
++
++ return 0;
++
++fail3:
++ unregister_reboot_notifier(&fa_wdt_notifier);
++fail2:
++ platform_set_drvdata(pdev, NULL);
++ kfree(fa_wdt);
++fail1:
++ iounmap(base);
++fail0:
++ release_mem_region(res->start, res_size);
++
++ return ret;
++}
++
++static int fa_wdt_remove(struct platform_device *pdev)
++{
++ struct fa_wdt_struct *fa_wdt = platform_get_drvdata(pdev);
++
++ platform_set_drvdata(pdev, NULL);
++ misc_deregister(&fa_wdt_miscdev);
++ unregister_reboot_notifier(&fa_wdt_notifier);
++ fa_wdt_dev = NULL;
++ iounmap(fa_wdt->base);
++ release_mem_region(fa_wdt->res->start, resource_size(fa_wdt->res));
++
++ kfree(fa_wdt);
++
++ return 0;
++}
++
++#ifdef CONFIG_PM
++static int fa_wdt_suspend(struct platform_device *pdev, pm_message_t message)
++{
++ struct fa_wdt_struct *fa_wdt = platform_get_drvdata(pdev);
++ unsigned int reg;
++
++ reg = __raw_readw(fa_wdt->base + FA_WDCR);
++ reg &= ~(WDCR_WDENABLE);
++ __raw_writel(reg, fa_wdt->base + FA_WDCR);
++
++ return 0;
++}
++
++static int fa_wdt_resume(struct platform_device *pdev)
++{
++ struct fa_wdt_struct *fa_wdt = platform_get_drvdata(pdev);
++ unsigned int reg;
++
++ if (fa_wdt->status) {
++ reg = __raw_readw(fa_wdt->base + FA_WDCR);
++ reg |= WDCR_WDENABLE;
++ __raw_writel(reg, fa_wdt->base + FA_WDCR);
++ }
++
++ return 0;
++}
++#else
++#define fa_wdt_suspend NULL
++#define fa_wdt_resume NULL
++#endif
++
++static struct platform_driver fa_wdt_driver = {
++ .probe = fa_wdt_probe,
++ .remove = fa_wdt_remove,
++ .shutdown = fa_wdt_shutdown,
++ .suspend = fa_wdt_suspend,
++ .resume = fa_wdt_resume,
++ .driver = {
++ .name = "fa-wdt",
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __init fa_wdt_init(void)
++{
++ return platform_driver_probe(&fa_wdt_driver, fa_wdt_probe);
++}
++
++static void __exit fa_wdt_exit(void)
++{
++ platform_driver_unregister(&fa_wdt_driver);
++}
++
++module_init(fa_wdt_init);
++module_exit(fa_wdt_exit);
++
++module_param(timeout, uint, 0);
++MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds");
++
++module_param(nowayout, int, 0);
++MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
++
++MODULE_AUTHOR("Paulius Zaleckas");
++MODULE_AUTHOR("Gabor Juhos");
++MODULE_DESCRIPTION("Watchdog driver for Faraday FA526 based SoCs");
++MODULE_LICENSE("GPL v2");
++MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
++MODULE_ALIAS("platform:fa-wdt");
+--- /dev/null
++++ b/include/linux/fa_wdt.h
+@@ -0,0 +1,13 @@
++/*
++ * Platform data definition for the Faraday watchdog driver
++ */
++
++#ifndef _FA_WDT_H
++#define _FA_WDT_H
++
++struct fa_wdt_platform_data {
++ unsigned int clock;
++};
++
++#endif /* _FA_WDT_H */
++
--- /dev/null
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -206,6 +206,11 @@ config NEED_RET_TO_USER
+ config ARCH_MTD_XIP
+ bool
+
++config ARM_L1_CACHE_SHIFT_4
++ bool
++ help
++ Setting ARM L1 cache line size to 16 bytes.
++
+ config VECTORS_BASE
+ hex
+ default 0xffff0000 if MMU || CPU_HIGH_VECTOR
+@@ -361,6 +366,15 @@ config ARCH_AT91
+ This enables support for systems based on Atmel
+ AT91RM9200 and AT91SAM9* processors.
+
++config ARCH_CNS21XX
++ bool "Cavium Networks CNS21xx family"
++ select CPU_FA526
++ select PLAT_FA
++ select PLAT_FA_TIME
++ select ARM_L1_CACHE_SHIFT_4
++ help
++ Support for Cavium Networks CNS21xx family.
++
+ config ARCH_CLPS711X
+ bool "Cirrus Logic CLPS711x/EP721x/EP731x-based"
+ select ARCH_REQUIRE_GPIOLIB
+@@ -930,6 +944,8 @@ source "arch/arm/mach-davinci/Kconfig"
+
+ source "arch/arm/mach-dove/Kconfig"
+
++source "arch/arm/mach-cns21xx/Kconfig"
++
+ source "arch/arm/mach-ep93xx/Kconfig"
+
+ source "arch/arm/mach-footbridge/Kconfig"
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/Kconfig
+@@ -0,0 +1,6 @@
++if ARCH_CNS21XX
++
++menu "Cavium Networks CNS21xx based machines"
++endmenu
++
++endif
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/Makefile
+@@ -0,0 +1,10 @@
++#
++# Makefile for the linux kernel.
++#
++
++# Object file lists.
++
++obj-y := core.o irq.o mm.o time.o idle.o
++
++# machine specific files
++
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/Makefile.boot
+@@ -0,0 +1,3 @@
++ zreladdr-y += 0x00008000
++params_phys-y := 0x00000100
++initrd_phys-y := 0x00C00000
+--- a/arch/arm/Makefile
++++ b/arch/arm/Makefile
+@@ -146,6 +146,7 @@ machine-$(CONFIG_ARCH_AT91) += at91
+ machine-$(CONFIG_ARCH_BCM) += bcm
+ machine-$(CONFIG_ARCH_BCM2835) += bcm2835
+ machine-$(CONFIG_ARCH_CLPS711X) += clps711x
++machine-$(CONFIG_ARCH_CNS21XX) += cns21xx
+ machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx
+ machine-$(CONFIG_ARCH_DAVINCI) += davinci
+ machine-$(CONFIG_ARCH_DOVE) += dove
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/common.h
+@@ -0,0 +1,20 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _MACH_CNS21XX_COMMON_H
++#define _MACH_CNS21XX_COMMON_H
++
++void cns21xx_restart(char mode, const char *cmd);
++void cns21xx_map_io(void);
++void cns21xx_init_irq(void);
++void cns21xx_timer_init(void);
++
++extern struct sys_timer cns21xx_timer;
++
++#endif /* _MACH_CNS21XX_COMMON_H */
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/mm.c
+@@ -0,0 +1,170 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/mm.h>
++#include <linux/init.h>
++
++#include <asm/mach/map.h>
++
++#include <mach/hardware.h>
++#include <mach/cns21xx.h>
++
++#include "common.h"
++
++/*
++ * Standard IO mapping
++ */
++static struct map_desc cns21xx_io_desc[] __initdata = {
++ {
++ .virtual = CNS21XX_FLASH_BANK0_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_FLASH_BANK0_BASE),
++ .length = SZ_256M,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_IDE_DEVICE_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_IDE_DEVICE_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_GDMAC_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_GDMAC_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_NIC_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_NIC_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_SPI_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_SPI_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_PCM_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_PCM_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_I2C_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_I2C_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_I2S_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_I2S_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_DDRC_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_DDRC_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_SMC_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_SMC_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_IDE_CTRL_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_IDE_CTRL_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_MISC_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_MISC_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_CPM_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_CPM_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_UART0_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_UART0_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_UART1_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_UART1_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_TIMER_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_TIMER_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_WDT_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_WDT_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_RTC_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_RTC_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_GPIOA_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_GPIOA_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_GPIOB_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_GPIOB_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_PCI_CFGDATA_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_PCI_CFGDATA_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_PCI_CFGADDR_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_PCI_CFGADDR_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_OHCI_CONFIG_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_OHCI_CONFIG_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_OHCI_CTRL_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_OHCI_CTRL_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_EHCI_CONFIG_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_EHCI_CONFIG_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_EHCI_CTRL_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_EHCI_CTRL_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_USB_DEVICE_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_USB_DEVICE_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }, {
++ .virtual = CNS21XX_INTC_BASE_VIRT,
++ .pfn = __phys_to_pfn(CNS21XX_INTC_BASE),
++ .length = SZ_4K,
++ .type = MT_DEVICE
++ }
++};
++
++void __init cns21xx_map_io(void)
++{
++ iotable_init(cns21xx_io_desc, ARRAY_SIZE(cns21xx_io_desc));
++}
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/hardware.h
+@@ -0,0 +1,20 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _CNS21XX_HARDWARE_H
++#define _CNS21XX_HARDWARE_H
++
++#ifndef __ASSEMBLY__
++extern unsigned long cns21xx_get_pll_freq(void);
++extern unsigned long cns21xx_get_cpu_freq(void);
++extern unsigned long cns21xx_get_ahb_freq(void);
++extern unsigned long cns21xx_get_apb_freq(void);
++#endif
++
++#endif /* _CNS21XX_HARDWARE_H */
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/debug-macro.S
+@@ -0,0 +1,25 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <mach/cns21xx.h>
++
++/* TODO: make it configurable */
++#define CNS21XX_DEBUG_UART_BASE CNS21XX_UART0_BASE
++#define CNS21XX_DEBUG_UART_BASE_VIRT CNS21XX_UART0_BASE_VIRT
++
++ .macro addruart, rp, rv
++ mov \rp, #(CNS21XX_DEBUG_UART_BASE) @ physical
++ mov \rv, #(CNS21XX_DEBUG_UART_BASE_VIRT & 0xff000000) @virtual
++ orr \rv, \rv, #(CNS21XX_DEBUG_UART_BASE_VIRT & 0x00ff0000)
++ orr \rv, \rv, #(CNS21XX_DEBUG_UART_BASE_VIRT & 0x0000ff00)
++ orr \rv, \rv, #(CNS21XX_DEBUG_UART_BASE_VIRT & 0x000000ff)
++ .endm
++
++#define UART_SHIFT 2
++#include <asm/hardware/debug-8250.S>
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/entry-macro.S
+@@ -0,0 +1,39 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <mach/cns21xx.h>
++#include <mach/irqs.h>
++
++#define INTC_IRQ_STATUS 0x1c
++
++ .macro disable_fiq
++ .endm
++
++ .macro get_irqnr_preamble, base, tmp
++ .endm
++
++ .macro arch_ret_to_user, tmp1, tmp2
++ .endm
++
++ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
++ ldr \base, =(CNS21XX_INTC_BASE_VIRT + INTC_IRQ_STATUS)
++ ldr \irqstat, [\base]
++ mov \irqnr, #0
++9001:
++ tst \irqstat, #1
++ bne 9002f
++ add \irqnr, \irqnr, #1
++ mov \irqstat, \irqstat, lsr #1
++ cmp \irqnr, #CNS21XX_NR_INTC_IRQS
++ bcc 9001b
++9002:
++ .endm
++
++ .macro irq_prio_table
++ .endm
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/io.h
+@@ -0,0 +1,18 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _CNS21XX_IO_H
++#define _CNS21XX_IO_H
++
++#define IO_SPACE_LIMIT 0xffffffff
++
++#define __io(p) __typesafe_io(p)
++#define __mem_pci(a) (a)
++
++#endif /* _CNS21XX_IO_H */
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/irqs.h
+@@ -0,0 +1,53 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _CNS21XX_IRQS_H
++#define _CNS21XX_IRQS_H
++
++#define CNS21XX_IRQ_TIMER1 0
++#define CNS21XX_IRQ_TIMER2 1
++#define CNS21XX_IRQ_CPM 2
++#define CNS21XX_IRQ_WDT 3
++#define CNS21XX_IRQ_GPIO 4
++#define CNS21XX_IRQ_PCI_INTA 5
++#define CNS21XX_IRQ_PCI_INTB 6
++#define CNS21XX_IRQ_PCI_BROKEN 7
++#define CNS21XX_IRQ_AHB2PCI 8
++#define CNS21XX_IRQ_UART0 9
++#define CNS21XX_IRQ_UART1 10
++#define CNS21XX_IRQ_GDMAC_TC 11
++#define CNS21XX_IRQ_GDMAC_ERR 12
++#define CNS21XX_IRQ_PCMCIA 13
++#define CNS21XX_IRQ_RTC 14
++#define CNS21XX_IRQ_PCM 15
++#define CNS21XX_IRQ_USB_DEVICE 16
++#define CNS21XX_IRQ_IDE 17
++#define CNS21XX_IRQ_NIC_STATUS 18
++#define CNS21XX_IRQ_NIC_TXTC 19
++#define CNS21XX_IRQ_NIC_RXRC 20
++#define CNS21XX_IRQ_NIC_TXQE 21
++#define CNS21XX_IRQ_NIC_RXQF 22
++#define CNS21XX_IRQ_OHCI 23
++#define CNS21XX_IRQ_EHCI 24
++#define CNS21XX_IRQ_I2S 25
++#define CNS21XX_IRQ_SPI 26
++#define CNS21XX_IRQ_I2C 27
++#define CNS21XX_IRQ_USB_VBUS 28
++#define CNS21XX_IRQ_EXT_29 29
++#define CNS21XX_IRQ_EXT_30 30
++#define CNS21XX_IRQ_HSDMAC 31
++
++#define CNS21XX_GPIO_IRQ_BASE 32
++
++#define CNS21XX_NR_INTC_IRQS 32
++#define CNS21XX_NR_GPIO_IRQS 64
++
++#define NR_IRQS 96
++
++#endif /* _CNS21XX_IRQS_H */
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/timex.h
+@@ -0,0 +1,15 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _CNS21XX_TIMEX_H
++#define _CNS21XX_TIMEX_H
++
++#define CLOCK_TICK_RATE 43750000
++
++#endif /* _CNS21XX_TIMEX_H */
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/uncompress.h
+@@ -0,0 +1,40 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _CNS21XX_UNCOMPRESS_H
++#define _CNS21XX_UNCOMPRESS_H
++
++#define UART_BASE 0x78000000
++
++#define UART_REG(offs) (*((volatile unsigned int *)(UART_BASE + offs)))
++
++#define UART_THR UART_REG(0x00)
++#define UART_LSR UART_REG(0x14)
++#define THR_EMPTY (1 << 5)
++
++#define UART_THR_EMPTY() (((UART_LSR) & THR_EMPTY) == (THR_EMPTY))
++
++static void putc(int c)
++{
++ if (c != 0) {
++ while (!UART_THR_EMPTY())
++ barrier();
++
++ UART_THR = (int)(c & 0xFF);
++ }
++}
++
++static inline void flush(void)
++{
++}
++
++#define arch_decomp_setup()
++#define arch_decomp_wdog()
++
++#endif /* _CNS21XX_UNCOMPRESS_H */
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/irq.c
+@@ -0,0 +1,177 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/interrupt.h>
++#include <linux/irq.h>
++#include <linux/io.h>
++#include <linux/ioport.h>
++#include <linux/cpu.h>
++
++#include <asm/system_misc.h>
++
++#include <mach/cns21xx.h>
++
++#define INTC_INTERRUPT_RAW_STATUS_REG 0x000
++#define INTC_EDGE_INTERRUPT_SOURCE_CLEAR_REG 0x004
++#define INTC_INTERRUPT_MASK_REG 0x008
++#define INTC_INTERRUPT_MASK_CLEAR_REG 0x00c
++#define INTC_INTERRUPT_TRIGGER_MODE_REG 0x010
++#define INTC_INTERRUPT_TRIGGER_LEVEL_REG 0x014
++#define INTC_FIQ_SELECT_REG 0x018
++#define INTC_IRQ_STATUS_REG 0x01c
++#define INTC_FIQ_STATUS_REG 0x020
++#define INTC_SOFTWARE_INTERRUPT_REG 0x024
++#define INTC_SOFTWARE_INTERRUPT_CLEAR_REG 0x028
++#define INTC_SOFTWARE_PRIORITY_MASK_REG 0x02c
++#define INTC_POWER_MANAGEMENT_INTERRUPT_REG 0x034
++
++#define INTC_VECTOR_ADDRESS_REG(_x) ((_x) + 0x040)
++#define INTC_PRIORITY_REG(_x) ((_x) + 0x0c0)
++#define INTC_IRQ_VECTOR_ADDRESS_REG 0x140
++#define INTC_VECTOR_INTERRUPT_ENABLE_REG 0x144
++
++#define INTC_SIZE 0x148
++
++static unsigned int cns21xx_irq_types[CNS21XX_NR_INTC_IRQS] = {
++ [CNS21XX_IRQ_TIMER1] = IRQ_TYPE_EDGE_RISING,
++ [CNS21XX_IRQ_TIMER2] = IRQ_TYPE_EDGE_RISING,
++ [CNS21XX_IRQ_CPM] = IRQ_TYPE_EDGE_FALLING,
++ [CNS21XX_IRQ_WDT] = IRQ_TYPE_EDGE_RISING,
++ [CNS21XX_IRQ_GPIO] = IRQ_TYPE_NONE,
++ [CNS21XX_IRQ_PCI_INTA] = IRQ_TYPE_LEVEL_LOW,
++ [CNS21XX_IRQ_PCI_INTB] = IRQ_TYPE_LEVEL_LOW,
++ [CNS21XX_IRQ_PCI_BROKEN] = IRQ_TYPE_LEVEL_HIGH,
++ [CNS21XX_IRQ_AHB2PCI] = IRQ_TYPE_LEVEL_HIGH,
++ [CNS21XX_IRQ_UART0] = IRQ_TYPE_LEVEL_HIGH,
++ [CNS21XX_IRQ_UART1] = IRQ_TYPE_LEVEL_HIGH,
++ [CNS21XX_IRQ_GDMAC_TC] = IRQ_TYPE_LEVEL_HIGH,
++ [CNS21XX_IRQ_GDMAC_ERR] = IRQ_TYPE_LEVEL_HIGH,
++ [CNS21XX_IRQ_PCMCIA] = IRQ_TYPE_NONE,
++ [CNS21XX_IRQ_RTC] = IRQ_TYPE_LEVEL_HIGH,
++ [CNS21XX_IRQ_PCM] = IRQ_TYPE_LEVEL_LOW,
++ [CNS21XX_IRQ_USB_DEVICE] = IRQ_TYPE_LEVEL_LOW,
++ [CNS21XX_IRQ_IDE] = IRQ_TYPE_LEVEL_HIGH,
++ [CNS21XX_IRQ_NIC_STATUS] = IRQ_TYPE_LEVEL_HIGH,
++ [CNS21XX_IRQ_NIC_TXTC] = IRQ_TYPE_EDGE_RISING,
++ [CNS21XX_IRQ_NIC_RXRC] = IRQ_TYPE_EDGE_RISING,
++ [CNS21XX_IRQ_NIC_TXQE] = IRQ_TYPE_EDGE_RISING,
++ [CNS21XX_IRQ_NIC_RXQF] = IRQ_TYPE_EDGE_RISING,
++ [CNS21XX_IRQ_OHCI] = IRQ_TYPE_LEVEL_LOW,
++ [CNS21XX_IRQ_EHCI] = IRQ_TYPE_LEVEL_LOW,
++ [CNS21XX_IRQ_I2S] = IRQ_TYPE_LEVEL_LOW,
++ [CNS21XX_IRQ_SPI] = IRQ_TYPE_LEVEL_LOW,
++ [CNS21XX_IRQ_I2C] = IRQ_TYPE_LEVEL_LOW,
++ [CNS21XX_IRQ_USB_VBUS] = IRQ_TYPE_EDGE_RISING,
++ [CNS21XX_IRQ_EXT_29] = IRQ_TYPE_NONE,
++ [CNS21XX_IRQ_EXT_30] = IRQ_TYPE_NONE,
++ [CNS21XX_IRQ_HSDMAC] = IRQ_TYPE_EDGE_RISING,
++};
++
++static void __iomem *cns21xx_intc_base;
++
++static inline void cns21xx_intc_writel(u32 val, unsigned int reg)
++{
++ __raw_writel(val, cns21xx_intc_base + reg);
++}
++
++static inline u32 cns21xx_intc_readl(unsigned int reg)
++{
++ return __raw_readl(cns21xx_intc_base + reg);
++}
++
++static void cns21xx_irq_ack(struct irq_data *d)
++{
++ cns21xx_intc_writel(1 << d->irq, INTC_EDGE_INTERRUPT_SOURCE_CLEAR_REG);
++}
++
++static void cns21xx_irq_mask(struct irq_data *d)
++{
++ cns21xx_intc_writel(1 << d->irq, INTC_INTERRUPT_MASK_REG);
++}
++
++static void cns21xx_irq_unmask(struct irq_data *d)
++{
++ cns21xx_intc_writel(1 << d->irq, INTC_INTERRUPT_MASK_CLEAR_REG);
++}
++
++static struct irq_chip cns21xx_irq_chip = {
++ .name = "INTC",
++ .irq_ack = cns21xx_irq_ack,
++ .irq_mask = cns21xx_irq_mask,
++ .irq_unmask = cns21xx_irq_unmask,
++};
++
++static struct resource cns21xx_intc_resource = {
++ .name = "INTC",
++ .flags = IORESOURCE_MEM,
++ .start = CNS21XX_INTC_BASE,
++ .end = CNS21XX_INTC_BASE + INTC_SIZE - 1,
++};
++
++void __init cns21xx_init_irq(void)
++{
++ unsigned int mode = 0;
++ unsigned int level = 0;
++ int i;
++
++ /*
++ * Disable the idle handler by default since it is buggy
++ * For more info see arch/arm/mach-gemini/idle.c
++ */
++ cpu_idle_poll_ctrl(true);
++
++ request_resource(&iomem_resource, &cns21xx_intc_resource);
++ cns21xx_intc_base = ioremap(cns21xx_intc_resource.start, INTC_SIZE);
++
++ cns21xx_intc_writel(0xffffffff, INTC_INTERRUPT_MASK_REG);
++ cns21xx_intc_writel(0xffffffff, INTC_EDGE_INTERRUPT_SOURCE_CLEAR_REG);
++ cns21xx_intc_writel(0xffffffff, INTC_SOFTWARE_INTERRUPT_CLEAR_REG);
++ cns21xx_intc_writel(0, INTC_SOFTWARE_PRIORITY_MASK_REG);
++ cns21xx_intc_writel(0, INTC_FIQ_SELECT_REG);
++ cns21xx_intc_writel(0, INTC_VECTOR_INTERRUPT_ENABLE_REG);
++
++ for (i = 0; i < ARRAY_SIZE(cns21xx_irq_types); i++) {
++ irq_flow_handler_t handler;
++
++ switch (cns21xx_irq_types[i]) {
++ case IRQ_TYPE_EDGE_RISING:
++ handler = handle_edge_irq;
++ mode |= (1 << i);
++ break;
++
++ case IRQ_TYPE_EDGE_FALLING:
++ handler = handle_edge_irq;
++ mode |= (1 << i);
++ level |= (1 << i);
++ break;
++
++ case IRQ_TYPE_LEVEL_LOW:
++ handler = handle_level_irq;
++ level |= (1 << i);
++ break;
++
++ case IRQ_TYPE_LEVEL_HIGH:
++ case IRQ_TYPE_NONE:
++ handler = handle_level_irq;
++ break;
++
++ default:
++ BUG();
++ break;
++ }
++
++ irq_set_chip(i, &cns21xx_irq_chip);
++ irq_set_handler(i, handler);
++ set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
++ }
++
++ cns21xx_intc_writel(mode, INTC_INTERRUPT_TRIGGER_MODE_REG);
++ cns21xx_intc_writel(level, INTC_INTERRUPT_TRIGGER_LEVEL_REG);
++}
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/time.c
+@@ -0,0 +1,25 @@
++/*
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/irq.h>
++
++#include <asm/mach/time.h>
++
++#include <plat/time.h>
++#include <mach/hardware.h>
++#include <mach/cns21xx.h>
++
++#include "common.h"
++
++void __init cns21xx_timer_init(void)
++{
++ fa_timer_init(CNS21XX_TIMER_BASE, CNS21XX_IRQ_TIMER1, FA_TIMER1,
++ cns21xx_get_apb_freq());
++}
++
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/cns21xx_powermgmt.h
+@@ -0,0 +1,591 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _CNS21XX_POWERMGMT_H
++#define _CNS21XX_POWERMGMT_H
++
++#define PWRMGT_MEM_MAP_VALUE(reg_offset) \
++ (*((u32 volatile *)(CNS21XX_CPM_BASE_VIRT + reg_offset)))
++
++/*
++ * define access macros
++ */
++#define PWRMGT_CLOCK_GATE_CONTROL0_REG PWRMGT_MEM_MAP_VALUE(0x00)
++#define PWRMGT_CLOCK_GATE_CONTROL1_REG PWRMGT_MEM_MAP_VALUE(0x04)
++#define PWRMGT_SOFTWARE_RESET_CONTROL_REG PWRMGT_MEM_MAP_VALUE(0x08)
++#define PWRMGT_SYSTEM_CLOCK_CONTROL_REG PWRMGT_MEM_MAP_VALUE(0x0C)
++#define PWRMGT_PLL_POWER_DOWN_CONTROL_REG PWRMGT_MEM_MAP_VALUE(0x10)
++#define PWRMGT_CPU_INITIALIZATION_REG PWRMGT_MEM_MAP_VALUE(0x14)
++#define PWRMGT_PAD_DRIVE_STRENGTH_CONTROL_REG PWRMGT_MEM_MAP_VALUE(0x1C)
++#define PWRMGT_USB_DEVICE_POWERMGT_REG PWRMGT_MEM_MAP_VALUE(0x20)
++#define PWRMGT_REGULATOR_CONTROL_REG PWRMGT_MEM_MAP_VALUE(0x24)
++#define PWRMGT_RTC_XTAL_CONTROL_REG PWRMGT_MEM_MAP_VALUE(0x28)
++#define PWRMGT_PLL250_CONTROL_REG PWRMGT_MEM_MAP_VALUE(0x2C)
++
++
++/*
++ * define constants macros
++ */
++#define PWRMGT_GLOBAL_SOFTWARE_RESET_MASK_BIT_INDEX 0
++#define PWRMGT_PCMCIA_SOFTWARE_RESET_BIT_INDEX 1
++#define PWRMGT_IDE_SOFTWARE_RESET_BIT_INDEX 2
++#define PWRMGT_VIC_SOFTWARE_RESET_BIT_INDEX 3
++#define PWRMGT_DMA_SOFTWARE_RESET_BIT_INDEX 4
++#define PWRMGT_NIC_SOFTWARE_RESET_BIT_INDEX 5
++#define PWRMGT_USB_HOST_SOFTWARE_RESET_BIT_INDEX 6
++#define PWRMGT_PCI_BRIDGE_SOFTWARE_RESET_BIT_INDEX 7
++#define PWRMGT_P2S_SOFTWARE_RESET_BIT_INDEX 8
++#define PWRMGT_UART0_SOFTWARE_RESET_BIT_INDEX 9
++#define PWRMGT_UART1_SOFTWARE_RESET_BIT_INDEX 10
++#define PWRMGT_TIMER_SOFTWARE_RESET_BIT_INDEX 11
++#define PWRMGT_WDTIMER_SOFTWARE_RESET_BIT_INDEX 12
++#define PWRMGT_GPIO_SOFTWARE_RESET_BIT_INDEX 13
++#define PWRMGT_USB_DEVICE_SOFTWARE_RESET_BIT_INDEX 14
++#define PWRMGT_FAST_ETHERNET_PHY_SOFTWARE_RESET_BIT_INDEX 15
++#define PWRMGT_HSDMA_SOFTWARE_RESET_BIT_INDEX 16
++
++#define PWRMGT_PLL_FREQUENCY_175MHZ (0 << 0)
++#define PWRMGT_PLL_FREQUENCY_200MHZ (1 << 0)
++#define PWRMGT_PLL_FREQUENCY_225MHZ (2 << 0)
++#define PWRMGT_PLL_FREQUENCY_250MHZ (3 << 0)
++
++#define PWRMGT_CPUCLK_DIVIDER_BY_1 (0 << 2)
++#define PWRMGT_CPUCLK_DIVIDER_BY_2 (1 << 2)
++#define PWRMGT_CPUCLK_DIVIDER_BY_3 (2 << 2)
++#define PWRMGT_CPUCLK_DIVIDER_BY_4 (3 << 2)
++
++#define PWRMGT_HCLK_DIVIDER_BY_1 (0 << 4)
++#define PWRMGT_HCLK_DIVIDER_BY_2 (1 << 4)
++#define PWRMGT_HCLK_DIVIDER_BY_3 (2 << 4)
++#define PWRMGT_HCLK_DIVIDER_BY_4 (3 << 4)
++
++#define PWRMGT_HCLK_SOURCE_FCLK (0 << 6)
++#define PWRMGT_HCLK_SOURCE_125MHZ (1 << 6)
++
++#define PWRMGT_PCLK_DIVIDER_BY_1 (0 << 8)
++#define PWRMGT_PCLK_DIVIDER_BY_2 (1 << 8)
++#define PWRMGT_PCLK_DIVIDER_BY_3 (2 << 8)
++#define PWRMGT_PCLK_DIVIDER_BY_4 (3 << 8)
++
++#define PWRMGT_PCICLK_DIVIDER_BY_1 (0 << 10)
++#define PWRMGT_PCICLK_DIVIDER_BY_2 (1 << 10)
++#define PWRMGT_PCICLK_DIVIDER_BY_3 (2 << 10)
++#define PWRMGT_PCICLK_DIVIDER_BY_4 (3 << 10)
++
++
++#define PWRMGT_PLLCLK_TO_CPUCLK_RATIO_BY_1 1
++#define PWRMGT_PLLCLK_TO_CPUCLK_RATIO_BY_2 2
++#define PWRMGT_PLLCLK_TO_CPUCLK_RATIO_BY_3 3
++#define PWRMGT_PLLCLK_TO_CPUCLK_RATIO_BY_4 4
++
++#define PWRMGT_CPUCLK_TO_HCLK_RATIO_BY_1 1
++#define PWRMGT_CPUCLK_TO_HCLK_RATIO_BY_2 2
++#define PWRMGT_CPUCLK_TO_HCLK_RATIO_BY_3 3
++#define PWRMGT_CPUCLK_TO_HCLK_RATIO_BY_4 4
++
++#define PWRMGT_HCLK_TO_PCLK_RATIO_BY_1 1
++#define PWRMGT_HCLK_TO_PCLK_RATIO_BY_2 2
++#define PWRMGT_HCLK_TO_PCLK_RATIO_BY_3 3
++#define PWRMGT_HCLK_TO_PCLK_RATIO_BY_4 4
++
++/*
++ * Macro defines for Clock Gate Control
++ */
++#define HAL_PWRMGT_DISABLE_DRAMC_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG &= ~(0x1); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_NIC_CLOCK() \
++{ \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 0); \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG |= (0x0F << 20); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 5); \
++}
++
++#define HAL_PWRMGT_DISABLE_NIC_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG &= ~(0x0F << 20); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_PCI_BRIDGE_33M_CLOCK() \
++{ \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 1); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x3 << 10); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (0x1 << 10); \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG |= (0x1 << 28) | (0x1 << 30); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 7); \
++}
++
++#define HAL_PWRMGT_ENABLE_PCI_BRIDGE_66M_CLOCK() \
++{ \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 1); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x3 << 10); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (0x0 << 10); \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG |= (0x1 << 28) | (0x1 << 30); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 7); \
++}
++
++#define HAL_PWRMGT_DISABLE_PCI_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG &= ~((0x1 << 28) | (0x1 << 30)); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_USB_CLOCK() \
++{ \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0xF << 1); \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG |= (0x1 << 24); \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 28); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 6) | (0x1 << 14); \
++}
++
++#define HAL_PWRMGT_DISABLE_USB_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG &= ~(0x1 << 24); \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~(0x1 << 28); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_DMA_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG |= (0x1 << 16); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 4); \
++}
++
++#define HAL_PWRMGT_DISABLE_DMA_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG &= ~(0x1 << 16); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_IDE_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG |= (0x1 << 8) | (0x1 << 9); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 2); \
++}
++
++#define HAL_PWRMGT_DISABLE_IDE_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG &= ~((0x1 << 8) | (0x1 << 9)); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_UART0_CLOCK() \
++{ \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~((0x1 << 1) | (0x1 << 2) | (0x1 << 5)); \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 12); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 9); \
++}
++
++#define HAL_PWRMGT_DISABLE_UART0_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~(0x1 << 12); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_UART1_CLOCK() \
++{ \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~((0x1 << 1) | (0x1 << 2) | (0x1 << 5)); \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 13); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 10); \
++}
++
++#define HAL_PWRMGT_DISABLE_UART1_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~(0x1 << 13); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_PCMCIA_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG |= (0x1 << 4) | (0x1 << 5); \
++}
++
++#define HAL_PWRMGT_DISABLE_PCMCIA_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG &= ~((0x1 << 4) | (0x1 << 5)); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_GPIO_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 25); \
++}
++
++#define HAL_PWRMGT_DISABLE_GPIO_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~(0x1 << 25); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_WDTIMER_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 21) | (0x1 << 22); \
++}
++
++#define HAL_PWRMGT_DISABLE_WDTIMER_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~((0x1 << 21) | (0x1 << 22)); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_RTC_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 23); \
++}
++
++#define HAL_PWRMGT_DISABLE_RTC_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~(0x1 << 23); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_TIMER_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 17) | (0x1 << 18) | (0x1 << 19); \
++}
++
++#define HAL_PWRMGT_DISABLE_TIMER_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~((0x1 << 17) | (0x1 << 18) | (0x1 << 19)); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_I2C_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 1); \
++}
++
++#define HAL_PWRMGT_DISABLE_I2C_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~(0x1 << 1); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_I2S_CLOCK() \
++{ \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~((0x1 << 5) | (0x1 << 6)); \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 1) | (0x1 << 10); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 8); \
++}
++
++#define HAL_PWRMGT_DISABLE_I2S_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~((0x1 << 1) | (0x1 << 10)); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_PCM_CLOCK() \
++{ \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 5); \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 1) | (0x1 << 6); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 8); \
++}
++
++#define HAL_PWRMGT_DISABLE_PCM_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~((0x1 << 1) | (0x1 << 6)); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_SPI_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 0) | (0x1 << 1); \
++}
++
++#define HAL_PWRMGT_DISABLE_SPI_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~((0x1 << 0) | (0x1 << 1)); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_VIC_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG |= (0x1 << 12); \
++}
++
++#define HAL_PWRMGT_DISABLE_VIC_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG &= ~(0x1 << 12); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_SMC_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG |= (0x1 << 4) | (0x1 << 5); \
++}
++
++#define HAL_PWRMGT_DISABLE_SMC_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL0_REG &= ~((0x1 << 4) | (0x1 << 5)); \
++}
++
++
++#define HAL_PWRMGT_ENABLE_HSDMA_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG |= (0x1 << 29); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 16); \
++}
++
++#define HAL_PWRMGT_DISABLE_HSDMA_CLOCK() \
++{ \
++ PWRMGT_CLOCK_GATE_CONTROL1_REG &= ~(0x1 << 29); \
++}
++
++
++
++/*
++ * Macro defines for Reset Control
++ */
++#define HAL_PWRMGT_GLOBAL_SOFTWARE_RESET() \
++{ \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1); \
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG &= ~(0x1); \
++}
++
++
++/*
++ * Macro defines for System Clock Control
++ */
++#define HAL_PWRMGT_SET_PLL_FREQUENCY_175MHZ() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~0x3; \
++}
++
++
++#define HAL_PWRMGT_SET_PLL_FREQUENCY_200MHZ() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~0x3; \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= 0x1; \
++}
++
++
++#define HAL_PWRMGT_SET_PLL_FREQUENCY_225MHZ() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~0x3; \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= 0x2; \
++}
++
++
++#define HAL_PWRMGT_SET_PLL_FREQUENCY_250MHZ() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~0x3; \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= 0x3; \
++}
++
++
++#define HAL_PWRMGT_CONFIG_PLLCLK_TO_CPUCLK_RATIO(ratio) \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x3 << 2); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (((ratio - 1) & 0x3) << 2); \
++}
++
++
++#define HAL_PWRMGT_CONFIG_CPUCLK_TO_HCLK_RATIO(ratio) \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x3 << 4); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (((ratio - 1) & 0x3) << 4); \
++}
++
++
++#define HAL_PWRMGT_HCLK_SOURCE_FCLK() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x1 << 6); \
++}
++
++
++#define HAL_PWRMGT_HCLK_SOURCE_125MHZ() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (0x1 << 6); \
++}
++
++
++#define HAL_PWRMGT_GIGA_NIC_CLOCK_SOURCE_HCLK() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x1 << 7); \
++}
++
++
++#define HAL_PWRMGT_GIGA_NIC_CLOCK_SOURCE_62_5MHZ() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (0x1 << 7); \
++}
++
++
++#define HAL_PWRMGT_CONFIG_HCLK_TO_PCLK_RATIO(ratio) \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x3 << 8); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (((ratio - 1) & 0x3) << 8); \
++}
++
++
++#define HAL_PWRMGT_I2S_CLOCK_SOURCE_8192000HZ() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x3 << 12); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (0x0 << 12); \
++}
++
++
++#define HAL_PWRMGT_I2S_CLOCK_SOURCE_11289600HZ() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x3 << 12); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (0x1 << 12); \
++}
++
++
++#define HAL_PWRMGT_I2S_CLOCK_SOURCE_12288000HZ() \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x3 << 12); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (0x2 << 12); \
++}
++
++
++#define HAL_PWRMGT_CONFIGURE_MDC_CLOCK_DIVIDER(divided_value) \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x3 << 14); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= ((divided_value & 0x3) << 14); \
++}
++
++
++#define HAL_PWRMGT_CONFIGURE_CLOCK_OUT_PIN(pin_source_select, divided_value) \
++{ \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG &= ~(0x3F << 16); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= ((pin_source_select & 0xF) << 16); \
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= ((divided_value & 0x3) << 20); \
++}
++
++
++/*
++ * Macro defines for PLL Power Down Control
++ */
++#define HAL_PWRMGT_POWER_DOWN_SYSTEM_XTAL_PAD() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG |= (0x1 << 7)
++
++#define HAL_PWRMGT_POWER_ON_SYSTEM_XTAL_PAD() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 7)
++
++
++#define HAL_PWRMGT_POWER_DOWN_PLL_X5() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG |= (0x1 << 0)
++
++#define HAL_PWRMGT_POWER_ON_PLL_X5() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 0)
++
++
++#define HAL_PWRMGT_POWER_DOWN_PLL_X8() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG |= (0x1 << 1)
++
++#define HAL_PWRMGT_POWER_ON_PLL_X8() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 1)
++
++
++#define HAL_PWRMGT_POWER_DOWN_PLL_X3() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG |= (0x1 << 2)
++
++#define HAL_PWRMGT_POWER_ON_PLL_X3() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 2)
++
++
++#define HAL_PWRMGT_POWER_DOWN_USBH_PHY_PLL() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG |= (0x1 << 3)
++
++#define HAL_PWRMGT_POWER_ON_USBH_PHY_PLL() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 3)
++
++
++#define HAL_PWRMGT_POWER_DOWN_USBD_PHY_PLL() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG |= (0x1 << 4)
++
++#define HAL_PWRMGT_POWER_ON_USBD_PHY_PLL() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 4)
++
++
++#define HAL_PWRMGT_POWER_DOWN_PLL_X2250() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG |= (0x1 << 5)
++
++#define HAL_PWRMGT_POWER_ON_PLL_X2250() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 5)
++
++
++#define HAL_PWRMGT_POWER_DOWN_PLL_X7() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG |= (0x1 << 6)
++
++#define HAL_PWRMGT_POWER_ON_PLL_X7() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG &= ~(0x1 << 6)
++
++
++#define HAL_PWRMGT_POWER_DOWN_ALL_PLL() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG = 0x7F;
++
++#define HAL_PWRMGT_POWER_ON_ALL_PLL() \
++ PWRMGT_PLL_POWER_DOWN_CONTROL_REG = 0;
++
++
++/*
++ * Macro defines for Pad Drive Strength Control
++ */
++#define HAL_PWRMGT_SELECT_PAD_DRIVE_STRENGTH_PCMCIA_CARDBUS_MODE() \
++{ \
++ PWRMGT_PAD_DRIVE_STRENGTH_CONTROL_REG &= ~(0x3 << 0); \
++}
++
++#define HAL_PWRMGT_SELECT_PAD_DRIVE_STRENGTH_PCI_MODE() \
++{ \
++ PWRMGT_PAD_DRIVE_STRENGTH_CONTROL_REG &= ~(0x3 << 0); \
++ PWRMGT_PAD_DRIVE_STRENGTH_CONTROL_REG |= (0x1 << 0); \
++}
++
++#define HAL_PWRMGT_SELECT_PAD_DRIVE_STRENGTH_MII_MODE() \
++{ \
++ PWRMGT_PAD_DRIVE_STRENGTH_CONTROL_REG |= (0x1 << 2); \
++}
++
++#define HAL_PWRMGT_SELECT_PAD_DRIVE_STRENGTH_RGMII_MODE() \
++{ \
++ PWRMGT_PAD_DRIVE_STRENGTH_CONTROL_REG &= ~(0x1 << 2); \
++}
++
++#define HAL_PWRMGT_ENABLE_MII_PAD_SIGNAL_NOT_BOUNDED() \
++{ \
++ PWRMGT_PAD_DRIVE_STRENGTH_CONTROL_REG |= (0x1 << 3); \
++}
++
++#define HAL_PWRMGT_DISABLE_MII_PAD_SIGNAL_NOT_BOUNDED() \
++{ \
++ PWRMGT_PAD_DRIVE_STRENGTH_CONTROL_REG &= ~(0x1 << 3); \
++}
++
++
++/*
++ * Macro defines for USB Device Power Management
++ */
++#define HAL_PWRMGT_REMOTE_WAKEUP_USB_HOST() \
++{ \
++ PWRMGT_USB_DEVICE_POWERMGT_REG |= (0x1 << 4); \
++}
++
++#define HAL_PWRMGT_USB_DEVICE_PHY_CLOCK_SOURCE_EXTERNAL_12MHZ() \
++{ \
++ PWRMGT_USB_DEVICE_POWERMGT_REG &= ~(0x1 << 5); \
++}
++
++#define HAL_PWRMGT_USB_DEVICE_PHY_CLOCK_SOURCE_INTERNAL_12MHZ() \
++{ \
++ PWRMGT_USB_DEVICE_POWERMGT_REG |= (0x1 << 5); \
++}
++
++
++/*
++ * Macro defines for Regulator Control
++ */
++
++#endif /* _CNS21XX_POWERMGMT_H */
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/cns21xx.h
+@@ -0,0 +1,88 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _CNS21XX_H
++#define _CNS21XX_H
++
++#define CNS21XX_FLASH_BANK0_BASE 0x10000000
++#define CNS21XX_FLASH_BANK1_BASE 0x11000000
++#define CNS21XX_FLASH_BANK2_BASE 0x12000000
++#define CNS21XX_FLASH_BANK3_BASE 0x13000000
++#define CNS21XX_PCMCIA_ATTR_BASE 0x14000000
++#define CNS21XX_PCMCIA_MEM_BASE 0x15000000
++#define CNS21XX_PCMCIA_IO_BASE 0x16000000
++#define CNS21XX_IDE_DEVICE_BASE 0x18000000
++#define CNS21XX_SDRAM_MEMORY_BASE 0x20000000
++#define CNS21XX_GDMAC_BASE 0x60000000
++#define CNS21XX_NIC_BASE 0x70000000
++#define CNS21XX_SPI_BASE 0x71000000
++#define CNS21XX_PCM_BASE 0x71000000
++#define CNS21XX_I2C_BASE 0x71000000
++#define CNS21XX_I2S_BASE 0x71000000
++#define CNS21XX_DDRC_BASE 0x72000000
++#define CNS21XX_SMC_BASE 0x73000000
++#define CNS21XX_PCMCIA_CTRL_BASE 0x73000000
++#define CNS21XX_IDE_CTRL_BASE 0x74000000
++#define CNS21XX_MISC_BASE 0x76000000
++#define CNS21XX_CPM_BASE 0x77000000
++#define CNS21XX_UART0_BASE 0x78000000
++#define CNS21XX_UART1_BASE 0x78800000
++#define CNS21XX_TIMER_BASE 0x79000000
++#define CNS21XX_WDT_BASE 0x7a000000
++#define CNS21XX_RTC_BASE 0x7b000000
++#define CNS21XX_GPIOA_BASE 0x7c000000
++#define CNS21XX_GPIOB_BASE 0x7c800000
++#define CNS21XX_PCI_CFGDATA_BASE 0xa0000000
++#define CNS21XX_PCI_CFGADDR_BASE 0xa4000000
++#define CNS21XX_PCI_IO_BASE 0xa8000000
++#define CNS21XX_PCI_MEMORY_BASE 0xb0000000
++#define CNS21XX_OHCI_CONFIG_BASE 0xc0000000
++#define CNS21XX_OHCI_CTRL_BASE 0xc4000000
++#define CNS21XX_EHCI_CONFIG_BASE 0xc8000000
++#define CNS21XX_EHCI_CTRL_BASE 0xcc000000
++#define CNS21XX_USB_DEVICE_BASE 0xd0000000
++#define CNS21XX_INTC_BASE 0xfffff000
++
++#define CNS21XX_FLASH_BANK0_BASE_VIRT 0xe0000000
++#define CNS21XX_FLASH_BANK1_BASE_VIRT 0xe2000000
++#define CNS21XX_FLASH_BANK2_BASE_VIRT 0xe4000000
++#define CNS21XX_FLASH_BANK3_BASE_VIRT 0xe8000000
++#define CNS21XX_IDE_DEVICE_BASE_VIRT 0xfef00000
++#define CNS21XX_GDMAC_BASE_VIRT 0xfef01000
++#define CNS21XX_NIC_BASE_VIRT 0xfef02000
++#define CNS21XX_SPI_BASE_VIRT 0xfef03000
++#define CNS21XX_PCM_BASE_VIRT 0xfef04000
++#define CNS21XX_I2C_BASE_VIRT 0xfef05000
++#define CNS21XX_I2S_BASE_VIRT 0xfef06000
++#define CNS21XX_DDRC_BASE_VIRT 0xfef07000
++#define CNS21XX_SMC_BASE_VIRT 0xfef08000
++#define CNS21XX_PCMCIA_CTRL_BASE_VIRT 0xfef09000
++#define CNS21XX_IDE_CTRL_BASE_VIRT 0xfef0A000
++#define CNS21XX_MISC_BASE_VIRT 0xfef0B000
++#define CNS21XX_CPM_BASE_VIRT 0xfef0C000
++#define CNS21XX_UART0_BASE_VIRT 0xfef0D000
++#define CNS21XX_UART1_BASE_VIRT 0xfef0E000
++#define CNS21XX_TIMER_BASE_VIRT 0xfef0F000
++#define CNS21XX_WDT_BASE_VIRT 0xfef10000
++#define CNS21XX_RTC_BASE_VIRT 0xfef11000
++#define CNS21XX_GPIOA_BASE_VIRT 0xfef12000
++#define CNS21XX_GPIOB_BASE_VIRT 0xfef13000
++#define CNS21XX_PCI_CFGDATA_BASE_VIRT 0xfef14000
++#define CNS21XX_PCI_CFGADDR_BASE_VIRT 0xfef15000
++#define CNS21XX_OHCI_CONFIG_BASE_VIRT 0xfef16000
++#define CNS21XX_OHCI_CTRL_BASE_VIRT 0xfef17000
++#define CNS21XX_EHCI_CONFIG_BASE_VIRT 0xfef18000
++#define CNS21XX_EHCI_CTRL_BASE_VIRT 0xfef19000
++#define CNS21XX_USB_DEVICE_BASE_VIRT 0xfef1a000
++#define CNS21XX_INTC_BASE_VIRT 0xfef1b000
++
++#define CNS21XX_PHYS_IO CNS21XX_UART0_BASE
++#define CNS21XX_IO_PAGE_OFFSET ((CNS21XX_UART0_BASE_VIRT) >> 18) & 0xfffc
++
++#endif /* _CNS21XX_H */
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/core.c
+@@ -0,0 +1,85 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/kernel.h>
++
++#include <mach/hardware.h>
++#include <mach/cns21xx.h>
++#include <mach/cns21xx_powermgmt.h>
++
++static unsigned long cns21xx_pll_freq;
++static unsigned long cns21xx_cpu_freq;
++static unsigned long cns21xx_ahb_freq;
++static unsigned long cns21xx_apb_freq;
++
++static void cns21xx_init_freq(void)
++{
++ static int freq_init_done;
++ unsigned int t;
++
++ if (freq_init_done)
++ return;
++
++ t = PWRMGT_SYSTEM_CLOCK_CONTROL_REG;
++ switch (t & 0x3) {
++ case 0x00:
++ cns21xx_pll_freq = 175000000;
++ break;
++
++ case 0x01:
++ cns21xx_pll_freq = 200000000;
++ break;
++
++ case 0x02:
++ cns21xx_pll_freq = 225000000;
++ break;
++
++ case 0x03:
++ cns21xx_pll_freq = 250000000;
++ break;
++ }
++
++ cns21xx_cpu_freq = cns21xx_pll_freq / (((t >> 2) & 0x3) + 1);
++ cns21xx_ahb_freq = cns21xx_cpu_freq / (((t >> 4) & 0x3) + 1);
++ cns21xx_apb_freq = cns21xx_ahb_freq / (((t >> 8) & 0x3) + 1);
++
++ freq_init_done = 1;
++}
++
++unsigned long cns21xx_get_pll_freq(void)
++{
++ cns21xx_init_freq();
++ return cns21xx_pll_freq;
++}
++
++unsigned long cns21xx_get_cpu_freq(void)
++{
++ cns21xx_init_freq();
++ return cns21xx_cpu_freq;
++}
++
++unsigned long cns21xx_get_ahb_freq(void)
++{
++ cns21xx_init_freq();
++ return cns21xx_ahb_freq;
++}
++
++unsigned long cns21xx_get_apb_freq(void)
++{
++ cns21xx_init_freq();
++ return cns21xx_apb_freq;
++}
++
++void cns21xx_restart(char mode, const char *cmd)
++{
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |=
++ (1UL << PWRMGT_GLOBAL_SOFTWARE_RESET_MASK_BIT_INDEX);
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG &=
++ ~(1UL << PWRMGT_GLOBAL_SOFTWARE_RESET_MASK_BIT_INDEX);
++}
+--- a/arch/arm/mm/Kconfig
++++ b/arch/arm/mm/Kconfig
+@@ -904,6 +904,7 @@ config ARM_L1_CACHE_SHIFT_6
+ config ARM_L1_CACHE_SHIFT
+ int
+ default 6 if ARM_L1_CACHE_SHIFT_6
++ default 4 if ARM_L1_CACHE_SHIFT_4
+ default 5
+
+ config ARM_DMA_MEM_BUFFERABLE
+--- a/arch/arm/mm/cache-fa.S
++++ b/arch/arm/mm/cache-fa.S
+@@ -28,7 +28,7 @@
+ /*
+ * The total size of the data cache.
+ */
+-#ifdef CONFIG_ARCH_GEMINI
++#if (defined(CONFIG_ARCH_GEMINI) || defined(CONFIG_ARCH_CNS21XX))
+ #define CACHE_DSIZE 8192
+ #else
+ #define CACHE_DSIZE 16384
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/cns21xx_misc.h
+@@ -0,0 +1,507 @@
++/*******************************************************************************
++ *
++ * Copyright (c) 2008 Cavium Networks
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ *
++ * This file is distributed in the hope that it will be useful,
++ * but AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
++ * NONINFRINGEMENT. See the GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this file; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA or
++ * visit http://www.gnu.org/licenses/.
++ *
++ * This file may also be available under a different license from Cavium.
++ * Contact Cavium Networks for more information
++ *
++ ******************************************************************************/
++
++#ifndef _STAR_MISC_H_
++#define _STAR_MISC_H_
++
++#include <mach/cns21xx.h>
++
++#define MISC_MEM_MAP_VALUE(reg_offset) \
++ (*((u32 volatile *)(CNS21XX_MISC_BASE_VIRT + reg_offset)))
++
++/*
++ * define access macros
++ */
++#define MISC_MEMORY_REMAP_REG MISC_MEM_MAP_VALUE(0x00)
++#define MISC_CHIP_CONFIG_REG MISC_MEM_MAP_VALUE(0x04)
++#define MISC_DEBUG_PROBE_DATA_REG MISC_MEM_MAP_VALUE(0x08)
++#define MISC_DEBUG_PROBE_SELECTION_REG MISC_MEM_MAP_VALUE(0x0C)
++#define MISC_PCI_CONTROL_BROKEN_MASK_REG MISC_MEM_MAP_VALUE(0x10)
++#define MISC_PCI_BROKEN_STATUS_REG MISC_MEM_MAP_VALUE(0x14)
++#define MISC_PCI_DEVICE_VENDOR_ID_REG MISC_MEM_MAP_VALUE(0x18)
++#define MISC_USB_HOST_PHY_CONTROL_TEST_REG MISC_MEM_MAP_VALUE(0x1C)
++#define MISC_GPIOA_PIN_ENABLE_REG MISC_MEM_MAP_VALUE(0x20)
++#define MISC_GPIOB_PIN_ENABLE_REG MISC_MEM_MAP_VALUE(0x24)
++#define MISC_GPIOA_RESISTOR_CONFIG_REG MISC_MEM_MAP_VALUE(0x28)
++#define MISC_GPIOA_DRIVE_STRENGTH_CONFIG_REG MISC_MEM_MAP_VALUE(0x2C)
++#define MISC_FAST_ETHERNET_PHY_CONFIG_REG MISC_MEM_MAP_VALUE(0x30)
++#define MISC_SOFTWARE_TEST_1_REG MISC_MEM_MAP_VALUE(0x38)
++#define MISC_SOFTWARE_TEST_2_REG MISC_MEM_MAP_VALUE(0x3C)
++
++#define MISC_E_FUSE_0_REG MISC_MEM_MAP_VALUE(0x60)
++#define MISC_E_FUSE_1_REG MISC_MEM_MAP_VALUE(0x64)
++
++
++/*
++ * define constants macros
++ */
++#define MISC_PARALLEL_FLASH_BOOT 0
++#define MISC_SPI_SERIAL_FLASH_BOOT 1
++
++#define MISC_LITTLE_ENDIAN 0
++#define MISC_BIG_ENDIAN 1
++
++#define MISC_FARADAY_ICE 0
++#define MISC_ARM_ICE 1
++
++#define MISC_EXT_INT29_PINS ((0x1 << 0))
++#define MISC_EXT_INT30_PINS ((0x1 << 1))
++#define MISC_EXT_INT31_PINS ((0x1 << 2))
++#define MISC_I2C_PINS ((0x1 << 13) | (0x1 << 14))
++#define MISC_I2S_PINS ((0x1 << 15) | (0x1 << 16) | (0x1 << 17))
++#define MISC_I2SSD_PINS (1 << 15)
++#define MISC_I2SWS_PINS (1 << 16)
++#define MISC_I2SCLK_PINS (1 << 17)
++#define MISC_PCM_PINS ((0x1 << 18) | (0x1 << 19) | (0x1 << 20) | (0x1 << 21))
++#define MISC_PCMDR_PINS (1 << 18)
++#define MISC_PCMDT_PINS (1 << 19)
++#define MISC_PCMFS_PINS (1 << 20)
++#define MISC_PCMCLK_PINS (1 << 21)
++#define MISC_LED0_PINS ((0x1 << 22))
++#define MISC_LED1_PINS ((0x1 << 23))
++#define MISC_LED2_PINS ((0x1 << 24))
++#define MISC_LED012_PINS ((0x1 << 22) | (0x1 << 23) | (0x1 << 24))
++#define MISC_WDTIMER_RESET_PINS ((0x1 << 25))
++#define MISC_SPIDR_PINS (0x1 << 26)
++#define MISC_SPICLK_PINS (0x1 << 27)
++#define MISC_SPICSN0_PINS (0x1 << 28)
++#define MISC_SPICSN1_PINS (0x1 << 29)
++#define MISC_SPICSN2_PINS (0x1 << 30)
++#define MISC_SPICSN3_PINS (0x1 << 31)
++#define MISC_SPI_PINS ((0x1 << 26) | (0x1 << 27) | (0x1 << 28) | (0x1 << 29) | (0x1 << 30) | (0x1 << 31))
++#define MISC_MDC_MDIO_PINS ((0x1 << 0) | (0x1 << 1))
++#define MISC_NIC_COL_PINS ((0x1 << 2))
++#define MISC_IDE_PINS ((0xFF << 3))
++#define MISC_SRAM_BANK1_PINS ((0x1 << 11) | (0x1 << 14))
++#define MISC_SRAM_BANK2_PINS ((0x1 << 12) | (0x1 << 15))
++#define MISC_SRAM_BANK3_PINS ((0x1 << 13) | (0x1 << 16))
++#define MISC_PCMCIA_PINS ((0x1 << 17) | (0x1 << 18) | (0x1 << 19) | (0x1 << 20))
++#define MISC_UART1_PINS ((0x1 << 21) | (0x1 << 22))
++#define MISC_PCI_PINS (((u32)0x1FF << 23))
++
++#define MISC_UART0_ACT0_Pin (0x1 << 2)
++#define MISC_UART1_ACT1_Pin (0x1 << 3)
++
++#define MISC_GPIOA_PIN_0 0
++#define MISC_GPIOA_PIN_1 1
++#define MISC_GPIOA_PIN_2 2
++#define MISC_GPIOA_PIN_3 3
++#define MISC_GPIOA_PIN_4 4
++#define MISC_GPIOA_PIN_5 5
++#define MISC_GPIOA_PIN_6 6
++#define MISC_GPIOA_PIN_7 7
++#define MISC_GPIOA_PIN_8 8
++#define MISC_GPIOA_PIN_9 9
++#define MISC_GPIOA_PIN_10 10
++
++#define MISC_GPIOA_75K_RESISTOR_PULL_DOWN 1
++#define MISC_GPIOA_75K_RESISTOR_PULL_UP 2
++#define MISC_GPIOA_75K_RESISTOR_PULL_KEEPER 3
++
++#define MISC_GPIOA_DRIVE_STRENGTH_4MA 0
++#define MISC_GPIOA_DRIVE_STRENGTH_8MA 1
++
++
++/*
++ * macro declarations
++ */
++#define HAL_MISC_ENABLE_SPI_SERIAL_FLASH_BANK_ACCESS() \
++{ \
++ (MISC_CHIP_CONFIG_REG) |= (0x1 << 4); \
++}
++
++#define HAL_MISC_DISABLE_SPI_SERIAL_FLASH_BANK_ACCESS() \
++{ \
++ (MISC_CHIP_CONFIG_REG) &= ~(0x1 << 4); \
++}
++
++
++/*
++ * Macro defines for GPIOA and GPIOB Pin Enable Register
++ */
++#define HAL_MISC_ENABLE_EXT_INT29_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_EXT_INT29_PINS); \
++}
++
++#define HAL_MISC_DISABLE_EXT_INT29_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_EXT_INT29_PINS); \
++}
++
++#define HAL_MISC_ENABLE_EXT_INT30_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_EXT_INT30_PINS); \
++}
++
++#define HAL_MISC_DISABLE_EXT_INT30_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_EXT_INT30_PINS); \
++}
++
++#define HAL_MISC_ENABLE_I2C_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_I2C_PINS); \
++}
++
++#define HAL_MISC_DISABLE_I2C_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_I2C_PINS); \
++}
++
++#define HAL_MISC_ENABLE_I2S_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_I2S_PINS); \
++}
++
++#define HAL_MISC_DISABLE_I2S_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_I2S_PINS); \
++}
++
++#define HAL_MISC_DISABLE_I2SSD_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_I2SSD_PINS); \
++}
++
++#define HAL_MISC_DISABLE_I2SWS_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_I2SWS_PINS); \
++}
++
++#define HAL_MISC_DISABLE_I2SCLK_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_I2SCLK_PINS); \
++}
++
++#define HAL_MISC_ENABLE_PCM_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_PCM_PINS); \
++}
++
++#define HAL_MISC_DISABLE_PCM_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_PCM_PINS); \
++}
++
++#define HAL_MISC_DISABLE_PCMDR_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_PCMDR_PINS); \
++}
++
++#define HAL_MISC_DISABLE_PCMDT_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_PCMDT_PINS); \
++}
++
++#define HAL_MISC_DISABLE_PCMFS_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_PCMFS_PINS); \
++}
++
++#define HAL_MISC_DISABLE_PCMCLK_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_PCMCLK_PINS); \
++}
++
++#define HAL_MISC_ENABLE_LED0_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_LED0_PINS); \
++}
++
++#define HAL_MISC_DISABLE_LED0_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_LED0_PINS); \
++}
++
++#define HAL_MISC_ENABLE_LED1_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_LED1_PINS); \
++}
++
++#define HAL_MISC_DISABLE_LED1_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_LED1_PINS); \
++}
++
++#define HAL_MISC_ENABLE_LED2_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_LED2_PINS); \
++}
++
++#define HAL_MISC_DISABLE_LED2_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_LED2_PINS); \
++}
++
++#define HAL_MISC_ENABLE_LED012_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_LED012_PINS); \
++}
++
++#define HAL_MISC_DISABLE_LED012_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_LED012_PINS); \
++}
++
++#define HAL_MISC_ENABLE_WDTIMER_RESET_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_WDTIMER_RESET_PINS); \
++}
++
++#define HAL_MISC_DISABLE_WDTIMER_RESET_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_WDTIMER_RESET_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SPI_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_SPI_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SPIDR_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_SPIDR_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SPICLK_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_SPICLK_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SPICSN0_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_SPICSN0_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SPICSN0_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_SPICSN0_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SPICSN1_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_SPICSN1_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SPICSN2_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_SPICSN2_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SPICSN3_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_SPICSN3_PINS); \
++}
++
++#define HAL_MISC_DISABLE_SPI_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_SPI_PINS); \
++}
++
++#define HAL_MISC_DISABLE_SPIDR_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_SPIDR_PINS); \
++}
++
++#define HAL_MISC_DISABLE_SPICLK_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_SPICLK_PINS); \
++}
++
++#define HAL_MISC_DISABLE_SPICSN0_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_SPICSN0_PINS); \
++}
++
++#define HAL_MISC_DISABLE_SPICSN1_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_SPICSN1_PINS); \
++}
++
++#define HAL_MISC_DISABLE_SPICSN2_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_SPICSN2_PINS); \
++}
++
++#define HAL_MISC_DISABLE_SPICSN3_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_SPICSN3_PINS); \
++}
++
++#define HAL_MISC_ENABLE_UART0_ACT0_PIN() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_UART0_ACT0_Pin); \
++}
++
++#define HAL_MISC_DISABLE_UART0_ACT0_PIN() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_UART0_ACT0_Pin); \
++}
++
++#define HAL_MISC_ENABLE_UART1_ACT1_PIN() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) |= (MISC_UART1_ACT1_Pin); \
++}
++
++#define HAL_MISC_DISABLE_UART1_ACT1_PIN() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) &= ~(MISC_UART1_ACT1_Pin); \
++}
++
++#define HAL_MISC_ENABLE_MDC_MDIO_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) |= (MISC_MDC_MDIO_PINS); \
++}
++
++#define HAL_MISC_DISABLE_MDC_MDIO_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) &= ~(MISC_MDC_MDIO_PINS); \
++}
++
++#define HAL_MISC_ENABLE_NIC_COL_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) |= (MISC_NIC_COL_PINS); \
++}
++
++#define HAL_MISC_DISABLE_NIC_COL_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) &= ~(MISC_NIC_COL_PINS); \
++}
++
++#define HAL_MISC_ENABLE_IDE_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) |= (MISC_IDE_PINS); \
++}
++
++#define HAL_MISC_DISABLE_IDE_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) &= ~(MISC_IDE_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SRAM_BANK1_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) |= (MISC_SRAM_BANK1_PINS); \
++}
++
++#define HAL_MISC_DISABLE_SRAM_BANK1_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) &= ~(MISC_SRAM_BANK1_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SRAM_BANK2_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) |= (MISC_SRAM_BANK2_PINS); \
++}
++
++#define HAL_MISC_DISABLE_SRAM_BANK2_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) &= ~(MISC_SRAM_BANK2_PINS); \
++}
++
++#define HAL_MISC_ENABLE_SRAM_BANK3_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) |= (MISC_SRAM_BANK3_PINS); \
++}
++
++#define HAL_MISC_DISABLE_SRAM_BANK3_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) &= ~(MISC_SRAM_BANK3_PINS); \
++}
++
++#define HAL_MISC_ENABLE_PCMCIA_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) |= (MISC_PCMCIA_PINS); \
++}
++
++#define HAL_MISC_DISABLE_PCMCIA_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) &= ~(MISC_PCMCIA_PINS); \
++}
++
++#define HAL_MISC_ENABLE_UART1_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) |= (MISC_UART1_PINS); \
++}
++
++#define HAL_MISC_DISABLE_UART1_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) &= ~(MISC_UART1_PINS); \
++}
++
++#define HAL_MISC_ENABLE_PCI_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) |= (MISC_PCI_PINS); \
++}
++
++#define HAL_MISC_DISABLE_PCI_PINS() \
++{ \
++ (MISC_GPIOB_PIN_ENABLE_REG) &= ~(MISC_PCI_PINS); \
++}
++
++#define HAL_MISC_ENABLE_ALL_SHARED_GPIO_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) = (0x0); \
++ (MISC_GPIOB_PIN_ENABLE_REG) = (0x0); \
++}
++
++#define HAL_MISC_DISABLE_ALL_SHARED_GPIO_PINS() \
++{ \
++ (MISC_GPIOA_PIN_ENABLE_REG) = (0xFFFFFFFF); \
++ (MISC_GPIOB_PIN_ENABLE_REG) = (0xFFFFFFFF); \
++}
++
++#define HAL_MISC_CONFIGURE_GPIOA_RESISTOR(pin_index, value) \
++{ \
++ (MISC_GPIOA_RESISTOR_CONFIG_REG) &= ~(0x3 << (2 * pin_index)); \
++ (MISC_GPIOA_RESISTOR_CONFIG_REG) |= ((value & 0x3) << (2 * pin_index)); \
++}
++
++#define HAL_MISC_CONFIGURE_GPIOA_DRIVE_STRENGTH(pin_index, value) \
++{ \
++ (MISC_GPIOA_DRIVE_STRENGTH_CONFIG_REG) &= ~(0x1 << pin_index); \
++ (MISC_GPIOA_DRIVE_STRENGTH_CONFIG_REG) |= (value << pin_index); \
++}
++
++#define HAL_MISC_SELECT_FAST_ETHERNET_PHY_LED_MODE0() \
++{ \
++ (MISC_FAST_ETHERNET_PHY_CONFIG_REG) = (0x0); \
++}
++
++#define HAL_MISC_SELECT_FAST_ETHERNET_PHY_LED_MODE1() \
++{ \
++ (MISC_FAST_ETHERNET_PHY_CONFIG_REG) = (0x1); \
++}
++
++#define HAL_MISC_SELECT_FAST_ETHERNET_PHY_LED_MODE2() \
++{ \
++ (MISC_FAST_ETHERNET_PHY_CONFIG_REG) = (0x2); \
++}
++
++#define HAL_MISC_SELECT_FAST_ETHERNET_PHY_LED_MODE3() \
++{ \
++ (MISC_FAST_ETHERNET_PHY_CONFIG_REG) = (0x3); \
++}
++
++
++#endif // end of #ifndef _STAR_MISC_H_
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/idle.c
+@@ -0,0 +1,31 @@
++/*
++ * arch/arm/mach-cns21xx/idle.c
++ */
++
++#include <linux/init.h>
++#include <asm/system.h>
++#include <asm/proc-fns.h>
++
++static void cns21xx_idle(void)
++{
++ /*
++ * Because of broken hardware we have to enable interrupts or the CPU
++ * will never wakeup... Acctualy it is not very good to enable
++ * interrupts first since scheduler can miss a tick, but there is
++ * no other way around this. Platforms that needs it for power saving
++ * should enable it in init code, since by default it is
++ * disabled.
++ */
++
++ /* FIXME: Enabling interrupts here is racy! */
++ local_irq_enable();
++ cpu_do_idle();
++}
++
++static int __init cns21xx_idle_init(void)
++{
++ arm_pm_idle = cns21xx_idle;
++ return 0;
++}
++
++arch_initcall(cns21xx_idle_init);
--- /dev/null
+--- a/arch/arm/mach-cns21xx/common.h
++++ b/arch/arm/mach-cns21xx/common.h
+@@ -17,4 +17,7 @@ void cns21xx_timer_init(void);
+
+ extern struct sys_timer cns21xx_timer;
+
++int cns21xx_register_uart0(void);
++int cns21xx_register_uart1(void);
++
+ #endif /* _MACH_CNS21XX_COMMON_H */
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/devices.c
+@@ -0,0 +1,79 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/platform_device.h>
++#include <linux/serial_8250.h>
++
++#include <mach/irqs.h>
++#include <mach/hardware.h>
++#include <mach/cns21xx.h>
++#include <mach/cns21xx_misc.h>
++
++#define CNS21XX_UART_CLOCK 24000000
++
++#define CNS21XX_UART_FLAGS (UPF_SKIP_TEST | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST)
++
++static struct plat_serial8250_port cns21xx_uart0_data[] = {
++ {
++ .mapbase = CNS21XX_UART0_BASE,
++ .membase = (void *) CNS21XX_UART0_BASE_VIRT,
++ .irq = CNS21XX_IRQ_UART0,
++ .uartclk = CNS21XX_UART_CLOCK,
++ .regshift = 2,
++ .iotype = UPIO_MEM,
++ .type = PORT_16550A,
++ .flags = CNS21XX_UART_FLAGS,
++ }, {
++ /* terminating entry */
++ },
++};
++
++static struct platform_device cns21xx_uart0_device = {
++ .name = "serial8250",
++ .id = PLAT8250_DEV_PLATFORM,
++ .dev = {
++ .platform_data = cns21xx_uart0_data,
++ },
++};
++
++int __init cns21xx_register_uart0(void)
++{
++ return platform_device_register(&cns21xx_uart0_device);
++}
++
++static struct plat_serial8250_port cns21xx_uart1_data[] = {
++ {
++ .mapbase = CNS21XX_UART1_BASE,
++ .membase = (void *) CNS21XX_UART1_BASE_VIRT,
++ .irq = CNS21XX_IRQ_UART1,
++ .uartclk = CNS21XX_UART_CLOCK,
++ .regshift = 2,
++ .iotype = UPIO_MEM,
++ .type = PORT_16550A,
++ .flags = CNS21XX_UART_FLAGS,
++ }, {
++ /* terminating entry */
++ },
++};
++
++static struct platform_device cns21xx_uart1_device = {
++ .name = "serial8250",
++ .id = PLAT8250_DEV_PLATFORM1,
++ .dev = {
++ .platform_data = cns21xx_uart1_data,
++ },
++};
++
++int __init cns21xx_register_uart1(void)
++{
++ HAL_MISC_ENABLE_UART1_PINS();
++ return platform_device_register(&cns21xx_uart1_device);
++}
+--- a/arch/arm/mach-cns21xx/Makefile
++++ b/arch/arm/mach-cns21xx/Makefile
+@@ -4,7 +4,7 @@
+
+ # Object file lists.
+
+-obj-y := core.o irq.o mm.o time.o idle.o
++obj-y := core.o irq.o mm.o time.o idle.o devices.o
+
+ # machine specific files
+
--- /dev/null
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -371,6 +371,8 @@ config ARCH_CNS21XX
+ select CPU_FA526
+ select PLAT_FA
+ select PLAT_FA_TIME
++ select PLAT_FA_GPIO
++ select ARCH_REQUIRE_GPIOLIB
+ select ARM_L1_CACHE_SHIFT_4
+ help
+ Support for Cavium Networks CNS21xx family.
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/gpio.c
+@@ -0,0 +1,45 @@
++/*
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <plat/gpio.h>
++
++#include <mach/cns21xx.h>
++#include <mach/irqs.h>
++
++static struct fa_gpio_chip cns21xx_gpio_chips[] = {
++ {
++ .gpio_chip = {
++ .label = "GPIOA",
++ .base = 0,
++ .ngpio = 32,
++ },
++
++ .map_base = CNS21XX_GPIOA_BASE,
++ .irq_base = CNS21XX_GPIO_IRQ_BASE,
++ }, {
++ .gpio_chip = {
++ .label = "GPIOB",
++ .base = 32,
++ .ngpio = 32,
++ },
++
++ .map_base = CNS21XX_GPIOB_BASE,
++ .irq_base = CNS21XX_GPIO_IRQ_BASE + 32,
++ }
++};
++
++static struct fa_gpio_data cns21xx_gpio_data = {
++ .chips = cns21xx_gpio_chips,
++ .nchips = ARRAY_SIZE(cns21xx_gpio_chips),
++ .irq = CNS21XX_IRQ_GPIO,
++};
++
++void __init cns21xx_gpio_init(void)
++{
++ fa_gpio_init(&cns21xx_gpio_data);
++}
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/gpio.h
+@@ -0,0 +1,2 @@
++/* empty */
++
+--- a/arch/arm/mach-cns21xx/Makefile
++++ b/arch/arm/mach-cns21xx/Makefile
+@@ -4,7 +4,7 @@
+
+ # Object file lists.
+
+-obj-y := core.o irq.o mm.o time.o idle.o devices.o
++obj-y := core.o irq.o gpio.o mm.o time.o idle.o devices.o
+
+ # machine specific files
+
+--- a/arch/arm/mach-cns21xx/common.h
++++ b/arch/arm/mach-cns21xx/common.h
+@@ -14,6 +14,7 @@ void cns21xx_restart(char mode, const ch
+ void cns21xx_map_io(void);
+ void cns21xx_init_irq(void);
+ void cns21xx_timer_init(void);
++void cns21xx_gpio_init(void);
+
+ extern struct sys_timer cns21xx_timer;
+
--- /dev/null
+--- a/drivers/usb/host/ohci-hcd.c
++++ b/drivers/usb/host/ohci-hcd.c
+@@ -695,6 +695,9 @@ retry:
+
+ periodic_reinit (ohci);
+
++ if (ohci->flags & OHCI_QUIRK_INIT_FMINTERVAL)
++ ohci_writel (ohci, ohci->fminterval, &ohci->regs->fminterval);
++
+ /* some OHCI implementations are finicky about how they init.
+ * bogus values here mean not even enumeration could work.
+ */
+@@ -1189,6 +1192,11 @@ MODULE_LICENSE ("GPL");
+ #define PLATFORM_DRIVER ohci_hcd_tilegx_driver
+ #endif
+
++#ifdef CONFIG_ARCH_CNS21XX
++#include "ohci-cns21xx.c"
++#define CNS21XX_PLATFORM_DRIVER ohci_cns21xx_driver
++#endif
++
+ #ifdef CONFIG_USB_OHCI_HCD_PLATFORM
+ #include "ohci-platform.c"
+ #define PLATFORM_DRIVER ohci_platform_driver
+@@ -1209,7 +1217,8 @@ MODULE_LICENSE ("GPL");
+ !defined(AT91_PLATFORM_DRIVER) && \
+ !defined(NXP_PLATFORM_DRIVER) && \
+ !defined(DAVINCI_PLATFORM_DRIVER) && \
+- !defined(SPEAR_PLATFORM_DRIVER)
++ !defined(SPEAR_PLATFORM_DRIVER) && \
++ !defined(CNS21XX_PLATFORM_DRIVER)
+ #error "missing bus glue for ohci-hcd"
+ #endif
+
+@@ -1329,9 +1338,19 @@ static int __init ohci_hcd_mod_init(void
+ goto error_spear;
+ #endif
+
++#ifdef CNS21XX_PLATFORM_DRIVER
++ retval = platform_driver_register(&CNS21XX_PLATFORM_DRIVER);
++ if (retval < 0)
++ goto error_cns21xx;
++#endif
++
+ return retval;
+
+ /* Error path */
++#ifdef CNS21XX_PLATFORM_DRIVER
++ platform_driver_unregister(&CNS21XX_PLATFORM_DRIVER);
++ error_cns21xx:
++#endif
+ #ifdef SPEAR_PLATFORM_DRIVER
+ platform_driver_unregister(&SPEAR_PLATFORM_DRIVER);
+ error_spear:
+@@ -1409,6 +1428,9 @@ module_init(ohci_hcd_mod_init);
+
+ static void __exit ohci_hcd_mod_exit(void)
+ {
++#ifdef CNS21XX_PLATFORM_DRIVER
++ platform_driver_unregister(&CNS21XX_PLATFORM_DRIVER);
++#endif
+ #ifdef SPEAR_PLATFORM_DRIVER
+ platform_driver_unregister(&SPEAR_PLATFORM_DRIVER);
+ #endif
+--- /dev/null
++++ b/drivers/usb/host/ohci-cns21xx.c
+@@ -0,0 +1,178 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/platform_device.h>
++
++#include <mach/cns21xx.h>
++
++#define DRIVER_NAME "cns21xx-ohci"
++
++static int cns21xx_ohci_start(struct usb_hcd *hcd)
++{
++ struct ohci_hcd *ohci = hcd_to_ohci(hcd);
++ int ret;
++
++ ret = ohci_init(ohci);
++ if (ret)
++ return ret;
++
++ ret = ohci_run(ohci);
++ if (ret) {
++ ohci_err(ohci, "can't start %s",
++ ohci_to_hcd(ohci)->self.bus_name);
++ goto err;
++ }
++
++ return 0;
++
++err:
++ ohci_stop(hcd);
++ return ret;
++}
++
++static const struct hc_driver ohci_cns21xx_hc_driver = {
++ .description = hcd_name,
++ .product_desc = "cns21xx-ohci",
++ .hcd_priv_size = sizeof(struct ohci_hcd),
++
++ /*
++ * generic hardware linkage
++ */
++ .irq = ohci_irq,
++ .flags = HCD_USB11 | HCD_MEMORY,
++
++ /*
++ * basic lifecycle operations
++ */
++ .start = cns21xx_ohci_start,
++ .stop = ohci_stop,
++ .shutdown = ohci_shutdown,
++
++ /*
++ * managing i/o requests and associated device resources
++ */
++ .urb_enqueue = ohci_urb_enqueue,
++ .urb_dequeue = ohci_urb_dequeue,
++ .endpoint_disable = ohci_endpoint_disable,
++
++ /*
++ * scheduling support
++ */
++ .get_frame_number = ohci_get_frame,
++
++ /*
++ * root hub support
++ */
++ .hub_status_data = ohci_hub_status_data,
++ .hub_control = ohci_hub_control,
++ .start_port_reset = ohci_start_port_reset,
++};
++
++static void cns21xx_ohci_init_hc(void)
++{
++ void __iomem *base = (void __iomem *) CNS21XX_OHCI_CONFIG_BASE_VIRT;
++
++ __raw_writel(0x146, base + 0x04);
++ __raw_writel(0x200, base + 0x44);
++ msleep(100);
++}
++
++static int ohci_cns21xx_probe(struct platform_device *pdev)
++{
++ struct usb_hcd *hcd;
++ struct resource *res;
++ struct ohci_hcd *ohci;
++ int irq;
++ int ret;
++
++ if (usb_disabled())
++ return -ENODEV;
++
++ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
++ if (!res) {
++ dev_dbg(&pdev->dev, "no IRQ specified for %s\n",
++ dev_name(&pdev->dev));
++ return -ENODEV;
++ }
++ irq = res->start;
++
++ hcd = usb_create_hcd(&ohci_cns21xx_hc_driver, &pdev->dev,
++ dev_name(&pdev->dev));
++ if (!hcd)
++ return -ENOMEM;
++
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!res) {
++ dev_dbg(&pdev->dev, "no base address specified for %s\n",
++ dev_name(&pdev->dev));
++ ret = -ENODEV;
++ goto err_put_hcd;
++ }
++ hcd->rsrc_start = res->start;
++ hcd->rsrc_len = res->end - res->start + 1;
++
++ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
++ dev_dbg(&pdev->dev, "controller already in use\n");
++ ret = -EBUSY;
++ goto err_put_hcd;
++ }
++
++ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
++ if (!hcd->regs) {
++ dev_dbg(&pdev->dev, "error mapping memory\n");
++ ret = -EFAULT;
++ goto err_release_region;
++ }
++
++ cns21xx_ohci_init_hc();
++
++ ohci = hcd_to_ohci(hcd);
++ ohci->flags |= OHCI_QUIRK_INIT_FMINTERVAL;
++ ohci_hcd_init(ohci);
++
++ ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
++ if (ret)
++ goto err_unmap;
++
++ platform_set_drvdata(pdev, hcd);
++ return 0;
++
++err_unmap:
++ iounmap(hcd->regs);
++err_release_region:
++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
++err_put_hcd:
++ usb_put_hcd(hcd);
++ return ret;
++}
++
++static int ohci_cns21xx_remove(struct platform_device *pdev)
++{
++ struct usb_hcd *hcd = platform_get_drvdata(pdev);
++
++ usb_remove_hcd(hcd);
++ iounmap(hcd->regs);
++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
++ usb_put_hcd(hcd);
++ platform_set_drvdata(pdev, NULL);
++
++ return 0;
++}
++
++static struct platform_driver ohci_cns21xx_driver = {
++ .probe = ohci_cns21xx_probe,
++ .remove = ohci_cns21xx_remove,
++ .shutdown = usb_hcd_platform_shutdown,
++ .driver = {
++ .owner = THIS_MODULE,
++ .name = DRIVER_NAME,
++ },
++};
++
++MODULE_ALIAS("platform:" DRIVER_NAME);
+--- a/drivers/usb/host/ohci.h
++++ b/drivers/usb/host/ohci.h
+@@ -405,6 +405,7 @@ struct ohci_hcd {
+ #define OHCI_QUIRK_HUB_POWER 0x100 /* distrust firmware power/oc setup */
+ #define OHCI_QUIRK_AMD_PLL 0x200 /* AMD PLL quirk*/
+ #define OHCI_QUIRK_AMD_PREFETCH 0x400 /* pre-fetch for ISO transfer */
++#define OHCI_QUIRK_INIT_FMINTERVAL 0x1000 /* fminterval must be initialized */
+ // there are also chip quirks/bugs in init logic
+
+ struct work_struct nec_work; /* Worker for NEC quirk */
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -374,6 +374,7 @@ config ARCH_CNS21XX
+ select PLAT_FA_GPIO
+ select ARCH_REQUIRE_GPIOLIB
+ select ARM_L1_CACHE_SHIFT_4
++ select USB_ARCH_HAS_OHCI
+ help
+ Support for Cavium Networks CNS21xx family.
+
--- /dev/null
+--- /dev/null
++++ b/drivers/usb/host/ehci-cns21xx.c
+@@ -0,0 +1,130 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2013 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/io.h>
++#include <linux/platform_device.h>
++#include <linux/irq.h>
++#include <linux/usb.h>
++#include <linux/usb/hcd.h>
++
++#include <mach/cns21xx.h>
++
++#include "ehci.h"
++
++#define DRIVER_NAME "cns21xx-ehci"
++
++static const char hcd_name[] = "ehci-cns21xx";
++static struct hc_driver __read_mostly ehci_cns21xx_hc_driver;
++
++static void ehci_cns21xx_init_hc(void)
++{
++ void __iomem *base = (void __iomem *) CNS21XX_EHCI_CONFIG_BASE_VIRT;
++
++ __raw_writel(0x106, base + 0x04);
++ __raw_writel((3 << 5) | 0x2000, base + 0x40);
++ msleep(100);
++}
++
++static int ehci_cns21xx_probe(struct platform_device *pdev)
++{
++ struct usb_hcd *hcd;
++ struct ehci_hcd *ehci;
++ struct resource *res;
++ int irq;
++ int ret;
++
++ irq = platform_get_irq(pdev, 0);
++ if (irq < 0) {
++ dev_dbg(&pdev->dev, "no IRQ specified for %s\n",
++ dev_name(&pdev->dev));
++ return -ENODEV;
++ }
++
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!res) {
++ dev_dbg(&pdev->dev, "no base address specified for %s\n",
++ dev_name(&pdev->dev));
++ return -EINVAL;
++ }
++
++ hcd = usb_create_hcd(&ehci_cns21xx_hc_driver, &pdev->dev,
++ dev_name(&pdev->dev));
++ if (!hcd)
++ return -ENOMEM;
++
++ hcd->rsrc_start = res->start;
++ hcd->rsrc_len = res->end - res->start + 1;
++
++ hcd->regs = devm_ioremap_resource(&pdev->dev, res);
++ if (IS_ERR(hcd->regs)) {
++ ret = PTR_ERR(hcd->regs);
++ goto err_put_hcd;
++ }
++
++ ehci_cns21xx_init_hc();
++
++ ehci = hcd_to_ehci(hcd);
++ ehci->caps = hcd->regs;
++
++ ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
++ if (ret)
++ goto err_put_hcd;
++
++ platform_set_drvdata(pdev, hcd);
++
++ return 0;
++
++err_put_hcd:
++ usb_put_hcd(hcd);
++
++ return ret;
++}
++
++static int ehci_cns21xx_remove(struct platform_device *pdev)
++{
++ struct usb_hcd *hcd = platform_get_drvdata(pdev);
++
++ usb_remove_hcd(hcd);
++ usb_put_hcd(hcd);
++
++ return 0;
++}
++
++static struct platform_driver ehci_cns21xx_driver = {
++ .probe = ehci_cns21xx_probe,
++ .remove = ehci_cns21xx_remove,
++ .shutdown = usb_hcd_platform_shutdown,
++ .driver = {
++ .owner = THIS_MODULE,
++ .name = DRIVER_NAME,
++ },
++};
++
++static int __init ehci_cns21xx_init(void)
++{
++ if (usb_disabled())
++ return -ENODEV;
++
++ ehci_init_driver(&ehci_cns21xx_hc_driver, NULL);
++
++ return platform_driver_register(&ehci_cns21xx_driver);
++}
++module_init(ehci_cns21xx_init);
++
++static void __exit ehci_cns21xx_exit(void)
++{
++ platform_driver_unregister(&ehci_cns21xx_driver);
++}
++module_exit(ehci_cns21xx_exit);
++
++MODULE_DESCRIPTION("Cavium Networks CNS21xx built-in EHCI controller driver");
++MODULE_ALIAS("platform:" DRIVER_NAME);
++MODULE_LICENSE("GPL v2");
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -375,6 +375,7 @@ config ARCH_CNS21XX
+ select ARCH_REQUIRE_GPIOLIB
+ select ARM_L1_CACHE_SHIFT_4
+ select USB_ARCH_HAS_OHCI
++ select USB_ARCH_HAS_EHCI
+ help
+ Support for Cavium Networks CNS21xx family.
+
+--- a/drivers/usb/host/Kconfig
++++ b/drivers/usb/host/Kconfig
+@@ -249,6 +249,14 @@ config USB_W90X900_EHCI
+ ---help---
+ Enables support for the W90X900 USB controller
+
++config USB_EHCI_CNS21XX
++ tristate "EHCI support for the Cavium CNS21XX SoCs"
++ depends on ARCH_CNS21XX
++ default y
++ help
++ Enables support for the built-in EHCI controller of the
++ Cavium CNS21xx SoCs.
++
+ config USB_CNS3XXX_EHCI
+ bool "Cavium CNS3XXX EHCI Module (DEPRECATED)"
+ depends on ARCH_CNS3XXX
+--- a/drivers/usb/host/Makefile
++++ b/drivers/usb/host/Makefile
+@@ -33,6 +33,7 @@ obj-$(CONFIG_USB_EHCI_HCD_SPEAR) += ehci
+ obj-$(CONFIG_USB_EHCI_S5P) += ehci-s5p.o
+ obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci-atmel.o
+ obj-$(CONFIG_USB_EHCI_MSM) += ehci-msm.o
++obj-$(CONFIG_USB_EHCI_CNS21XX) += ehci-cns21xx.o
+
+ obj-$(CONFIG_USB_OXU210HP_HCD) += oxu210hp-hcd.o
+ obj-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o
--- /dev/null
+--- a/include/linux/spi/spi.h
++++ b/include/linux/spi/spi.h
+@@ -523,6 +523,8 @@ struct spi_transfer {
+ u16 delay_usecs;
+ u32 speed_hz;
+
++ unsigned last_in_message_list;
++
+ struct list_head transfer_list;
+ };
+
+--- a/drivers/spi/Kconfig
++++ b/drivers/spi/Kconfig
+@@ -198,6 +198,14 @@ config SPI_GPIO_OLD
+
+ If unsure, say N.
+
++config SPI_CNS21XX
++ tristate "Cavium Netowrks CNS21xx SPI master (EXPERIMENTAL)"
++ depends on ARCH_CNS21XX
++ select SPI_BITBANG
++ help
++ This driver supports the buil-in SPI controller of the Cavium Networks
++ CNS21xx SoCs.
++
+ config SPI_IMX
+ tristate "Freescale i.MX SPI controllers"
+ depends on ARCH_MXC
+--- a/drivers/spi/Makefile
++++ b/drivers/spi/Makefile
+@@ -21,6 +21,7 @@ obj-$(CONFIG_SPI_BFIN_SPORT) += spi-bfi
+ obj-$(CONFIG_SPI_BITBANG) += spi-bitbang.o
+ obj-$(CONFIG_SPI_BUTTERFLY) += spi-butterfly.o
+ obj-$(CONFIG_SPI_CLPS711X) += spi-clps711x.o
++obj-$(CONFIG_SPI_CNS21XX) += spi-cns21xx.o
+ obj-$(CONFIG_SPI_COLDFIRE_QSPI) += spi-coldfire-qspi.o
+ obj-$(CONFIG_SPI_DAVINCI) += spi-davinci.o
+ obj-$(CONFIG_SPI_DESIGNWARE) += spi-dw.o
+--- a/drivers/spi/spi-bitbang.c
++++ b/drivers/spi/spi-bitbang.c
+@@ -328,6 +328,13 @@ static void bitbang_work(struct work_str
+ */
+ if (!m->is_dma_mapped)
+ t->rx_dma = t->tx_dma = 0;
++
++ if (t->transfer_list.next == &m->transfers) {
++ t->last_in_message_list = 1;
++ } else {
++ t->last_in_message_list = 0;
++ }
++
+ status = bitbang->txrx_bufs(spi, t);
+ }
+ if (status > 0)
+--- /dev/null
++++ b/drivers/spi/spi-cns21xx.c
+@@ -0,0 +1,521 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/module.h>
++#include <linux/spinlock.h>
++#include <linux/workqueue.h>
++#include <linux/interrupt.h>
++#include <linux/delay.h>
++#include <linux/errno.h>
++#include <linux/platform_device.h>
++#include <linux/io.h>
++#include <linux/spi/spi.h>
++#include <linux/spi/spi_bitbang.h>
++
++#include <mach/hardware.h>
++#include <mach/cns21xx.h>
++
++#define DRIVER_NAME "cns21xx-spi"
++
++#ifdef CONFIG_CNS21XX_SPI_DEBUG
++#define DBG(fmt, args...) pr_info("[CNS21XX_SPI_DEBUG]" fmt, ## args)
++#else
++#define DBG(fmt, args...) do {} while (0)
++#endif /* CNS21XX_SPI_DEBUG */
++
++#define SPI_REG_CFG 0x40
++#define SPI_REG_STAT 0x44
++#define SPI_REG_BIT_RATE 0x48
++#define SPI_REG_TX_CTRL 0x4c
++#define SPI_REG_TX_DATA 0x50
++#define SPI_REG_RX_CTRL 0x54
++#define SPI_REG_RX_DATA 0x58
++#define SPI_REG_FIFO_TX_CFG 0x5c
++#define SPI_REG_FIFO_TX_CTRL 0x60
++#define SPI_REG_FIFO_RX_CFG 0x64
++#define SPI_REG_INTR_STAT 0x68
++#define SPI_REG_INTR_ENA 0x6c
++
++#define CFG_SPI_EN BIT(31)
++#define CFG_SPI_CLKPOL BIT(14)
++#define CFG_SPI_CLKPHA BIT(13)
++#define CFG_SPI_MASTER_EN BIT(11)
++#define CFG_SPI_CHAR_LEN_M 0x3
++#define CFG_SPI_CHAR_LEN_8BITS 0
++#define CFG_SPI_CHAR_LEN_16BITS 1
++#define CFG_SPI_CHAR_LEN_24BITS 2
++#define CFG_SPI_CHAR_LEN_32BITS 3
++
++#define STAT_SPI_BUSY_STA BIT(1)
++
++#define BIT_RATE_DIV_1 0
++#define BIT_RATE_DIV_2 1
++#define BIT_RATE_DIV_4 2
++#define BIT_RATE_DIV_8 3
++#define BIT_RATE_DIV_16 4
++#define BIT_RATE_DIV_32 5
++#define BIT_RATE_DIV_64 6
++#define BIT_RATE_DIV_128 7
++
++#define TX_CTRL_SPI_TXDAT_EOF BIT(2)
++#define TX_CTRL_SPI_TXCH_NUM_M 0x3
++#define TX_CTRL_CLEAR_MASK (TX_CTRL_SPI_TXDAT_EOF | \
++ TX_CTRL_SPI_TXCH_NUM_M)
++
++#define RX_CTRL_SPI_RXDAT_EOF BIT(2)
++#define RX_CTRL_SPI_RXCH_NUM_M 0x3
++
++#define INTR_STAT_SPI_TXBF_UNRN_FG BIT(7)
++#define INTR_STAT_SPI_RXBF_OVRN_FG BIT(6)
++#define INTR_STAT_SPI_TXFF_UNRN_FG BIT(5)
++#define INTR_STAT_SPI_RXFF_OVRN_FG BIT(4)
++#define INTR_STAT_SPI_TXBUF_FG BIT(3)
++#define INTR_STAT_SPI_RXBUF_FG BIT(2)
++#define INTR_STAT_SPI_TXFF_FG BIT(1)
++#define INTR_STAT_SPI_RXFF_FG BIT(0)
++
++#define INTR_STAT_CLEAR_MASK (INTR_STAT_SPI_TXBF_UNRN_FG | \
++ INTR_STAT_SPI_RXBF_OVRN_FG | \
++ INTR_STAT_SPI_TXFF_UNRN_FG | \
++ INTR_STAT_SPI_RXFF_OVRN_FG)
++
++#define FIFO_TX_CFG_SPI_TXFF_THRED_M 0x3
++#define FIFO_TX_CFG_SPI_TXFF_THRED_S 4
++#define FIFO_TX_CFG_SPI_TXFF_THRED_2 0
++#define FIFO_TX_CFG_SPI_TXFF_THRED_4 1
++#define FIFO_TX_CFG_SPI_TXFF_THRED_6 0
++#define FIFO_TX_CFG_SPI_TXFF_STATUS_M 0xf
++
++#define FIFO_RX_CFG_SPI_RXFF_THRED_M 0x3
++#define FIFO_RX_CFG_SPI_RXFF_THRED_S 4
++#define FIFO_RX_CFG_SPI_RXFF_THRED_2 0
++#define FIFO_RX_CFG_SPI_RXFF_THRED_4 1
++#define FIFO_RX_CFG_SPI_RXFF_THRED_6 0
++#define FIFO_RX_CFG_SPI_RXFF_STATUS_M 0xf
++
++#define CNS21XX_SPI_NUM_BIT_RATES 8
++
++struct cns21xx_spi {
++ struct spi_bitbang bitbang;
++
++ struct spi_master *master;
++ struct device *dev;
++ void __iomem *base;
++ struct resource *region;
++
++ unsigned freq_max;
++ unsigned freq_min;
++
++};
++
++static inline struct cns21xx_spi *to_hw(struct spi_device *spi)
++{
++ return spi_master_get_devdata(spi->master);
++}
++
++static inline u32 cns21xx_spi_rr(struct cns21xx_spi *hw, unsigned int reg)
++{
++ return __raw_readl(hw->base + reg);
++}
++
++static inline void cns21xx_spi_wr(struct cns21xx_spi *hw, u32 val,
++ unsigned int reg)
++{
++ __raw_writel(val, hw->base + reg);
++}
++
++#define CNS21XX_SPI_RETRY_COUNT 100
++static inline int cns21xx_spi_wait(struct cns21xx_spi *hw, unsigned int reg,
++ u32 mask, u32 val)
++{
++ int retry_cnt = 0;
++
++ do {
++ if ((cns21xx_spi_rr(hw, reg) & mask) == val)
++ break;
++
++ if (++retry_cnt > CNS21XX_SPI_RETRY_COUNT) {
++ dev_err(hw->dev, "timeout waiting on register %02x\n",
++ reg);
++ return -EIO;
++ }
++ } while (1);
++
++ return 0;
++}
++
++static int cns21xx_spi_txrx_word(struct cns21xx_spi *hw, u8 tx_channel,
++ u8 tx_eof_flag, u32 tx_data, u32 *rx_data)
++{
++ unsigned int tx_ctrl;
++ u8 rx_channel;
++ u8 rx_eof_flag;
++ int err = 0;
++
++ err = cns21xx_spi_wait(hw, SPI_REG_STAT, STAT_SPI_BUSY_STA, 0);
++ if (err)
++ return err;
++
++ err = cns21xx_spi_wait(hw, SPI_REG_INTR_STAT, INTR_STAT_SPI_TXBUF_FG,
++ INTR_STAT_SPI_TXBUF_FG);
++ if (err)
++ return err;
++
++ tx_ctrl = cns21xx_spi_rr(hw, SPI_REG_TX_CTRL);
++ tx_ctrl &= ~(TX_CTRL_CLEAR_MASK);
++ tx_ctrl |= (tx_channel & TX_CTRL_SPI_TXCH_NUM_M);
++ tx_ctrl |= (tx_eof_flag) ? TX_CTRL_SPI_TXDAT_EOF : 0;
++ cns21xx_spi_wr(hw, tx_ctrl, SPI_REG_TX_CTRL);
++
++ cns21xx_spi_wr(hw, tx_data, SPI_REG_TX_DATA);
++
++ err = cns21xx_spi_wait(hw, SPI_REG_INTR_STAT, INTR_STAT_SPI_RXBUF_FG,
++ INTR_STAT_SPI_RXBUF_FG);
++ if (err)
++ return err;
++
++ rx_channel = cns21xx_spi_rr(hw, SPI_REG_RX_CTRL) &
++ RX_CTRL_SPI_RXCH_NUM_M;
++
++ rx_eof_flag = (cns21xx_spi_rr(hw, SPI_REG_RX_CTRL) &
++ RX_CTRL_SPI_RXDAT_EOF) ? 1 : 0;
++
++ *rx_data = cns21xx_spi_rr(hw, SPI_REG_RX_DATA);
++
++ if ((tx_channel != rx_channel) || (tx_eof_flag != rx_eof_flag))
++ return -EPROTO;
++
++ return 0;
++}
++
++static void cns21xx_spi_chipselect(struct spi_device *spi, int value)
++{
++ struct cns21xx_spi *hw = to_hw(spi);
++ unsigned int spi_config;
++ unsigned int tx_ctrl;
++
++ switch (value) {
++ case BITBANG_CS_INACTIVE:
++ break;
++
++ case BITBANG_CS_ACTIVE:
++ spi_config = cns21xx_spi_rr(hw, SPI_REG_CFG);
++
++ if (spi->mode & SPI_CPHA)
++ spi_config |= CFG_SPI_CLKPHA;
++ else
++ spi_config &= ~CFG_SPI_CLKPHA;
++
++ if (spi->mode & SPI_CPOL)
++ spi_config |= CFG_SPI_CLKPOL;
++ else
++ spi_config &= ~CFG_SPI_CLKPOL;
++
++ cns21xx_spi_wr(hw, spi_config, SPI_REG_CFG);
++
++ tx_ctrl = cns21xx_spi_rr(hw, SPI_REG_TX_CTRL);
++ tx_ctrl &= ~(TX_CTRL_CLEAR_MASK);
++ tx_ctrl |= (spi->chip_select & TX_CTRL_SPI_TXCH_NUM_M);
++ cns21xx_spi_wr(hw, tx_ctrl, SPI_REG_TX_CTRL);
++
++ break;
++ }
++}
++
++static int cns21xx_spi_setup(struct spi_device *spi)
++{
++ struct cns21xx_spi *hw = to_hw(spi);
++
++ if (spi->bits_per_word != 8) {
++ dev_err(&spi->dev, "%s: invalid bits_per_word=%u\n",
++ __func__, spi->bits_per_word);
++ return -EINVAL;
++ }
++
++ if (spi->max_speed_hz == 0)
++ spi->max_speed_hz = hw->freq_max;
++
++ if (spi->max_speed_hz > hw->freq_max ||
++ spi->max_speed_hz < hw->freq_min) {
++ dev_err(&spi->dev, "%s: max_speed_hz=%u out of range\n",
++ __func__, spi->max_speed_hz);
++ return -EINVAL;
++ }
++
++ return 0;
++}
++
++static int cns21xx_spi_setup_transfer(struct spi_device *spi,
++ struct spi_transfer *t)
++{
++ struct cns21xx_spi *hw = to_hw(spi);
++ u8 bits_per_word;
++ u32 hz;
++ int i;
++
++ bits_per_word = (t) ? t->bits_per_word : spi->bits_per_word;
++ hz = t ? t->speed_hz : spi->max_speed_hz;
++
++ if (!bits_per_word)
++ bits_per_word = spi->bits_per_word;
++
++ if (!hz)
++ hz = spi->max_speed_hz;
++
++ if (bits_per_word != 8) {
++ dev_err(&spi->dev, "%s: invalid bits_per_word=%u\n",
++ __func__, bits_per_word);
++ return -EINVAL;
++ }
++
++ if (hz > spi->max_speed_hz || hz > hw->freq_max || hz < hw->freq_min) {
++ dev_err(&spi->dev, "%s: max_speed_hz=%u out of range\n",
++ __func__, hz);
++ return -EINVAL;
++ }
++
++ for (i = 0; i < CNS21XX_SPI_NUM_BIT_RATES; i++)
++ if (spi->max_speed_hz > (cns21xx_get_apb_freq() >> i))
++ break;
++
++ DBG("max_speed:%uHz, curr_speed:%luHz, rate_index=%d\n",
++ spi->max_speed_hz, cns21xx_get_apb_freq() / (1 << i), i);
++
++ cns21xx_spi_wr(hw, i, SPI_REG_BIT_RATE);
++
++ return 0;
++}
++
++static int cns21xx_spi_txrx(struct spi_device *spi, struct spi_transfer *t)
++{
++ struct cns21xx_spi *hw = to_hw(spi);
++ const unsigned char *tx_buf;
++ unsigned char *rx_buf;
++ u32 rx_data;
++ int tx_eof;
++ int err = 0;
++ int i;
++
++ tx_buf = t->tx_buf;
++ rx_buf = t->rx_buf;
++ tx_eof = t->last_in_message_list;
++
++ DBG("txrx: tx %p, rx %p, len %d\n", tx_buf, rx_buf, t->len);
++
++ if (tx_buf) {
++ for (i = 0; i < t->len; i++)
++ DBG("tx_buf[%02d]: 0x%02x\n", i, tx_buf[i]);
++
++ for (i = 0; i < (t->len - 1); i++) {
++ err = cns21xx_spi_txrx_word(hw, spi->chip_select, 0,
++ tx_buf[i], &rx_data);
++ if (err)
++ goto done;
++
++ if (rx_buf) {
++ rx_buf[i] = rx_data;
++ DBG("rx_buf[%02d]:0x%02x\n", i, rx_buf[i]);
++ }
++ }
++
++ err = cns21xx_spi_txrx_word(hw, spi->chip_select, tx_eof,
++ tx_buf[i], &rx_data);
++ if (err)
++ goto done;
++
++ if ((tx_eof) && rx_buf) {
++ rx_buf[i] = rx_data;
++ DBG("rx_buf[%02d]:0x%02x\n", i, rx_buf[i]);
++ }
++ } else if (rx_buf) {
++ for (i = 0; i < (t->len - 1); i++) {
++ err = cns21xx_spi_txrx_word(hw, spi->chip_select, 0,
++ 0xff, &rx_data);
++ if (err)
++ goto done;
++
++ rx_buf[i] = rx_data;
++ DBG("rx_buf[%02d]:0x%02x\n", i, rx_buf[i]);
++ }
++
++ err = cns21xx_spi_txrx_word(hw, spi->chip_select, tx_eof,
++ 0xff, &rx_data);
++ if (err)
++ goto done;
++
++ rx_buf[i] = rx_data;
++ DBG("rx_buf[%02d]:0x%02x\n", i, rx_buf[i]);
++ }
++
++ done:
++ return (err) ? err : t->len;
++}
++
++static void __init cns21xx_spi_hw_init(struct cns21xx_spi *hw)
++{
++ u32 t;
++ u32 pclk;
++
++ /* Setup configuration register */
++ cns21xx_spi_wr(hw, CFG_SPI_MASTER_EN, SPI_REG_CFG);
++
++ /* Set default clock to PCLK/2 */
++ cns21xx_spi_wr(hw, BIT_RATE_DIV_2, SPI_REG_BIT_RATE);
++
++ /* Configure SPI's Tx channel */
++ cns21xx_spi_wr(hw, 0, SPI_REG_TX_CTRL);
++
++ /* Configure Tx FIFO Threshold */
++ t = cns21xx_spi_rr(hw, SPI_REG_FIFO_TX_CFG);
++ t &= ~(FIFO_TX_CFG_SPI_TXFF_THRED_M << FIFO_TX_CFG_SPI_TXFF_THRED_S);
++ t |= (FIFO_TX_CFG_SPI_TXFF_THRED_2 << FIFO_TX_CFG_SPI_TXFF_THRED_S);
++ cns21xx_spi_wr(hw, t, SPI_REG_FIFO_TX_CFG);
++
++ /* Configure Rx FIFO Threshold */
++ t = cns21xx_spi_rr(hw, SPI_REG_FIFO_RX_CFG);
++ t &= ~(FIFO_RX_CFG_SPI_RXFF_THRED_M << FIFO_RX_CFG_SPI_RXFF_THRED_S);
++ t |= (FIFO_RX_CFG_SPI_RXFF_THRED_2 << FIFO_RX_CFG_SPI_RXFF_THRED_S);
++ cns21xx_spi_wr(hw, t, SPI_REG_FIFO_RX_CFG);
++
++ /* Disable interrupts, and clear interrupt status */
++ cns21xx_spi_wr(hw, 0, SPI_REG_INTR_ENA);
++ cns21xx_spi_wr(hw, INTR_STAT_CLEAR_MASK, SPI_REG_INTR_STAT);
++
++ (void) cns21xx_spi_rr(hw, SPI_REG_RX_DATA);
++
++ /* Enable SPI */
++ t = cns21xx_spi_rr(hw, SPI_REG_CFG);
++ t |= CFG_SPI_EN;
++ cns21xx_spi_wr(hw, t, SPI_REG_CFG);
++
++ pclk = cns21xx_get_apb_freq();
++ hw->freq_max = pclk;
++ hw->freq_min = pclk / (1 << BIT_RATE_DIV_128);
++}
++
++static int __init cns21xx_spi_probe(struct platform_device *pdev)
++{
++ struct cns21xx_spi *hw;
++ struct spi_master *master;
++ struct resource *res;
++ int err = 0;
++
++ master = spi_alloc_master(&pdev->dev, sizeof(struct cns21xx_spi));
++ if (!master) {
++ dev_err(&pdev->dev, "No memory for spi_master\n");
++ return -ENOMEM;
++ }
++
++ hw = spi_master_get_devdata(master);
++
++ platform_set_drvdata(pdev, hw);
++ hw->master = spi_master_get(master);
++ hw->dev = &pdev->dev;
++
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!res) {
++ dev_dbg(&pdev->dev, "no MEM resource found\n");
++ err = -ENOENT;
++ goto err_put_master;
++ }
++
++ hw->region = request_mem_region(res->start, resource_size(res),
++ dev_name(&pdev->dev));
++ if (!hw->region) {
++ dev_err(&pdev->dev, "unable to reserve iomem region\n");
++ err = -ENXIO;
++ goto err_put_master;
++ }
++
++ hw->base = ioremap(res->start, resource_size(res));
++ if (!hw->base) {
++ dev_err(&pdev->dev, "ioremap failed\n");
++ err = -ENOENT;
++ goto err_release_region;
++ }
++
++ cns21xx_spi_hw_init(hw);
++
++ master->bus_num = pdev->id;
++ if (master->bus_num == -1)
++ master->bus_num = 0;
++
++ master->num_chipselect = 4;
++ master->setup = cns21xx_spi_setup;
++
++ hw->bitbang.master = hw->master;
++ hw->bitbang.chipselect = cns21xx_spi_chipselect;
++ hw->bitbang.txrx_bufs = cns21xx_spi_txrx;
++ hw->bitbang.setup_transfer = cns21xx_spi_setup_transfer;
++
++ err = spi_bitbang_start(&hw->bitbang);
++ if (err) {
++ dev_err(hw->dev, "unable to register SPI master\n");
++ goto err_unmap;
++ }
++
++ dev_info(hw->dev, "iomem at %08x\n", res->start);
++
++ return 0;
++
++ err_unmap:
++ iounmap(hw->base);
++
++ err_release_region:
++ release_resource(hw->region);
++ kfree(hw->region);
++
++ err_put_master:
++ spi_master_put(hw->bitbang.master);
++ platform_set_drvdata(pdev, NULL);
++
++ return err;
++}
++
++static int cns21xx_spi_remove(struct platform_device *pdev)
++{
++ struct cns21xx_spi *hw = platform_get_drvdata(pdev);
++
++ spi_bitbang_stop(&hw->bitbang);
++ iounmap(hw->base);
++ release_resource(hw->region);
++ kfree(hw->region);
++ spi_master_put(hw->bitbang.master);
++ platform_set_drvdata(pdev, NULL);
++
++ return 0;
++}
++
++static struct platform_driver cns21xx_spi_driver = {
++ .remove = cns21xx_spi_remove,
++ .driver = {
++ .name = DRIVER_NAME,
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __init cns21xx_spi_init(void)
++{
++ return platform_driver_probe(&cns21xx_spi_driver, cns21xx_spi_probe);
++}
++
++static void __exit cns21xx_spi_exit(void)
++{
++ platform_driver_unregister(&cns21xx_spi_driver);
++}
++
++module_init(cns21xx_spi_init);
++module_exit(cns21xx_spi_exit);
++
++MODULE_DESCRIPTION("Cavium Networks CNS21xx SPI Controller driver");
++MODULE_AUTHOR("STAR Semi Corp.");
++MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
++MODULE_LICENSE("GPL v2");
++MODULE_ALIAS("platform:" DRIVER_NAME);
--- /dev/null
+--- /dev/null
++++ b/drivers/net/ethernet/cns21xx/cns21xx_gec_main.c
+@@ -0,0 +1,2464 @@
++/*
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This driver has been derived from the ethernet driver of the
++ * Star STR81xx SoC.
++ * Copyright (c) 2008 Cavium Networks
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/module.h>
++#include <linux/kernel.h>
++#include <linux/bootmem.h>
++#include <linux/sched.h>
++#include <linux/types.h>
++#include <linux/fcntl.h>
++#include <linux/interrupt.h>
++#include <linux/ptrace.h>
++#include <linux/ioport.h>
++#include <linux/in.h>
++#include <linux/slab.h>
++#include <linux/init.h>
++#include <linux/bitops.h>
++#include <linux/irq.h>
++#include <linux/io.h>
++#include <linux/pci.h>
++#include <linux/errno.h>
++#include <linux/delay.h>
++#include <linux/netdevice.h>
++#include <linux/etherdevice.h>
++#include <linux/platform_device.h>
++#include <linux/skbuff.h>
++#include <linux/ip.h>
++#include <linux/if_ether.h>
++#include <linux/icmp.h>
++#include <linux/udp.h>
++#include <linux/tcp.h>
++#include <linux/if_arp.h>
++#include <net/arp.h>
++
++#include <mach/hardware.h>
++#include <mach/cns21xx.h>
++#include <mach/cns21xx_misc.h>
++#include <mach/cns21xx_powermgmt.h>
++#include <mach/cns21xx_gec_platform.h>
++
++#define DRIVER_NAME "cns21xx-gec"
++
++/* VSC8601 and WavePlus Phy are the same */
++#define CNS21XX_GEC_PHY_ADDR 0
++
++#define CNS21XX_GEC_TX_HW_CHECKSUM
++#define CNS21XX_GEC_RX_HW_CHECKSUM
++
++#define CNS21XX_PEND_INT_COUNT 16
++#define CNS21XX_PEND_INT_TIME 5 /* 5 x 20 usecs */
++
++#define MAX_PACKET_LEN 1536
++
++#define CNS21XX_GEC_NUM_TXDS 48 /* FIXME: original 64 will cause UDP fail */
++#define CNS21XX_GEC_NUM_RXDS 64
++
++struct cns21xx_gec_mib_info {
++ u32 mib_rx_ok_pkt;
++ u64 mib_rx_ok_byte;
++ u32 mib_rx_runt;
++ u32 mib_rx_over_size;
++ u32 mib_rx_no_buffer_drop;
++ u32 mib_rx_crc_err;
++ u32 mib_rx_arl_drop;
++ u32 mib_rx_myvid_drop;
++ u32 mib_rx_csum_err;
++ u32 mib_rx_pause_frame;
++ u32 mib_tx_ok_pkt;
++ u64 mib_tx_ok_byte;
++ u32 mib_tx_pause_frame;
++};
++
++/*
++ * Network Driver, Receive/Send and Initial Buffer Function
++ */
++struct cns21xx_gec_txd {
++ /* 1st 32Bits */
++ u32 sdp;
++
++ /* 2nd 32Bits */
++ u32 length:16;
++ u32 reserved0:7;
++ u32 tco:1;
++ u32 uco:1;
++ u32 ico:1;
++ u32 insv:1;
++ u32 intr:1;
++ u32 ls:1;
++ u32 fs:1;
++ u32 eor:1;
++ u32 cown:1;
++
++ /* 3rd 32Bits */
++ u32 vid:12;
++ u32 cfi:1;
++ u32 pri:3;
++ u32 epid:16;
++
++ /* 4th 32Bits */
++ u32 reserved1;
++} __packed;
++
++struct cns21xx_gec_rxd {
++ /* 1st 32Bits */
++ u32 sdp;
++
++ /* 2nd 32Bits */
++ u32 length:16;
++ u32 l4f:1;
++ u32 ipf:1;
++ u32 prot:2;
++ u32 vted:1;
++ u32 mymac:1;
++ u32 hhit:1;
++ u32 rmc:1;
++ u32 crce:1;
++ u32 osize:1;
++ u32 reserved0:2;
++ u32 ls:1;
++ u32 fs:1;
++ u32 eor:1;
++ u32 cown:1;
++
++ /* 3rd 32Bits */
++ u32 vid:12;
++ u32 cfi:1;
++ u32 pri:3;
++ u32 epid:16;
++
++ /* 4th 32Bits */
++ u32 reserved1;
++} __packed;
++
++struct cns21xx_gec_ring {
++ u32 desc_dma;
++ void *desc_cpu;
++ u32 curr;
++ u32 dirty;
++ u32 count;
++ struct sk_buff **skbs;
++};
++
++#define CNS21XX_GEC_NUM_VLANS 4
++struct cns21xx_gec_vlan {
++ u32 vid; /* 0~4095 */
++ u32 control; /* ENABLE or DISABLE */
++};
++
++/* store this information for the driver.. */
++struct cns21xx_gec {
++ struct napi_struct napi;
++ struct net_device *netdev;
++ struct device *parent;
++ struct cns21xx_gec_ring txring;
++ struct cns21xx_gec_ring rxring;
++
++ void __iomem *base;
++ struct resource *mem_res;
++ struct cns21xx_gec_plat_data *pdata;
++ spinlock_t lock;
++ spinlock_t tx_lock;
++
++ int status_irq;
++ int rxrc_irq;
++ int rxqf_irq;
++ int txtc_irq;
++ int txqe_irq;
++ unsigned long rx_queue_full;
++
++ struct cns21xx_gec_vlan vlans[CNS21XX_GEC_NUM_VLANS];
++
++ struct timer_list internal_phy_timer;
++ struct timer_list nic_timer;
++ u8 phy_addr;
++ u16 phy_id;
++ struct cns21xx_gec_mib_info mib_info;
++};
++
++#define GEC_REG_PHY_CTRL0 0x000
++#define GEC_REG_PHY_CTRL1 0x004
++#define GEC_REG_MAC_CFG 0x008
++#define GEC_REG_FC_CFG 0x00c
++#define GEC_REG_ARL_CFG 0x010
++#define GEC_REG_MY_MAC_H 0x014
++#define GEC_REG_MY_MAC_L 0x018
++#define GEC_REG_HASH_CTRL 0x01c
++#define GEC_REG_VLAN_CTRL 0x020
++#define GEC_REG_VLAN_ID_0_1 0x024
++#define GEC_REG_VLAN_ID_2_3 0x028
++#define GEC_REG_DMA_CFG 0x030
++#define GEC_REG_TX_DMA_CTRL 0x034
++#define GEC_REG_RX_DMA_CTRL 0x038
++#define GEC_REG_TX_DPTR 0x03c
++#define GEC_REG_RX_DPTR 0x040
++#define GEC_REG_TX_BASE_ADDR 0x044
++#define GEC_REG_RX_BASE_ADDR 0x048
++#define GEC_REG_DLY_INT_CFG 0x04c
++#define GEC_REG_INT 0x050
++#define GEC_REG_INT_MASK 0x054
++#define GEC_REG_TEST0 0x058
++#define GEC_REG_TEST1 0x05c
++#define GEC_REG_EXTEND_CFG 0x060
++
++#define GEC_REG_RX_OK_PKT_CNTR 0x100
++#define GEC_REG_RX_OK_BYTE_CNTR 0x104
++#define GEC_REG_RX_RUNT_BYTE_CNTR 0x108
++#define GEC_REG_RX_OSIZE_DROP_PKT_CNTR 0x10c
++#define GEC_REG_RX_NO_BUF_DROP_PKT_CNTR 0x110
++#define GEC_REG_RX_CRC_ERR_PKT_CNTR 0x114
++#define GEC_REG_RX_ARL_DROP_PKT_CNTR 0x118
++#define GEC_REG_MYVLANID_MISMATCH_DROP_PKT_CNTR 0x11c
++#define GEC_REG_RX_CHKSUM_ERR_PKT_CNTR 0x120
++#define GEC_REG_RX_PAUSE_FRAME_PKT_CNTR 0x124
++#define GEC_REG_TX_OK_PKT_CNTR 0x128
++#define GEC_REG_TX_OK_BYTE_CNTR 0x12c
++#define GEC_REG_TX_COLLISION_CNTR 0x130
++#define GEC_REG_TX_PAUSE_FRAME_CNTR 0x130
++#define GEC_REG_TX_FIFO_UNDERRUN_RETX_CNTR 0x134
++
++#define GEC_INT_MIB_COUNTER_TH BIT(3)
++#define GEC_INT_PORT_STATUS_CHG BIT(2)
++
++#define FE_PHY_LED_MODE (0x1 << 12)
++
++static void internal_phy_init_timer(struct cns21xx_gec *gec);
++static void internal_phy_start_timer(struct cns21xx_gec *gec);
++static void internal_phy_stop_timer(struct cns21xx_gec *gec);
++
++static void cns21xx_gec_phy_powerdown(struct cns21xx_gec *gec);
++static void cns21xx_gec_phy_powerup(struct cns21xx_gec *gec);
++
++static inline u32 cns21xx_gec_rr(struct cns21xx_gec *gec, unsigned int reg)
++{
++ return __raw_readl(gec->base + reg);
++}
++
++static inline void cns21xx_gec_wr(struct cns21xx_gec *gec, unsigned int reg,
++ u32 val)
++{
++ __raw_writel(val, gec->base + reg);
++}
++
++static void cns21xx_gec_timer_func(unsigned long data)
++{
++ struct cns21xx_gec *gec = (struct cns21xx_gec *) data;
++ struct cns21xx_gec_ring *txring = &gec->txring;
++ int i;
++ int txsd_index;
++ int txsd_current;
++ int skb_free_count = 0;
++ struct cns21xx_gec_txd *txd;
++ unsigned long flags;
++
++ local_irq_save(flags);
++ txsd_current = cns21xx_gec_rr(gec, GEC_REG_TX_DPTR);
++ txsd_index = (txsd_current - (u32)txring->desc_dma) >> 4;
++ if (txsd_index > txring->dirty) {
++ skb_free_count = txsd_index - txring->dirty;
++ } else if (txsd_index <= txring->dirty) {
++ skb_free_count = txring->count + txsd_index -
++ txring->dirty;
++ }
++ for (i = 0; i < skb_free_count; i++) {
++ txd = ((struct cns21xx_gec_txd *) txring->desc_cpu) +
++ txring->dirty;
++
++ if (txd->cown == 0)
++ break;
++
++ if (txring->skbs[txring->dirty]) {
++ dev_kfree_skb_any(txring->skbs[txring->dirty]);
++ txring->skbs[txring->dirty] = NULL;
++
++ dma_unmap_single(gec->parent,
++ txd->sdp,
++ txd->length,
++ DMA_TO_DEVICE);
++ }
++
++ txring->dirty++;
++ if (txring->dirty == txring->count)
++ txring->dirty = 0;
++ }
++ local_irq_restore(flags);
++}
++
++static void __init cns21xx_gec_timer_init(struct cns21xx_gec *gec)
++{
++ init_timer(&gec->nic_timer);
++ gec->nic_timer.function = &cns21xx_gec_timer_func;
++ gec->nic_timer.data = (unsigned long) gec;
++}
++
++static void cns21xx_gec_timer_modify(struct cns21xx_gec *gec, unsigned int t)
++{
++ mod_timer(&gec->nic_timer, jiffies + t);
++}
++
++static int cns21xx_gec_write_phy(struct cns21xx_gec *gec,
++ u8 addr, u8 reg, u16 val)
++{
++ int i;
++
++ if (addr > 31 || reg > 31)
++ return -EINVAL;
++
++ /* clear previous rw_ok status */
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL0, 0x1 << 15);
++
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL0,
++ addr | (reg << 8) | (val << 16) | (0x1 << 13));
++
++ for (i = 0; i < 10000; i++) {
++ u32 status;
++
++ status = cns21xx_gec_rr(gec, GEC_REG_PHY_CTRL0);
++ if (status & (0x1 << 15)) {
++ /*
++ * clear the rw_ok status,
++ * and clear other bits value
++ */
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL0, (0x1 << 15));
++ return 0;
++ }
++ udelay(1000);
++ }
++
++ dev_err(&gec->netdev->dev,
++ "%s timed out, phy_addr:0x%x, phy_reg:0x%x, write_data:0x%x\n",
++ __func__, addr, reg, val);
++
++ return -EIO;
++}
++
++static int cns21xx_gec_read_phy(struct cns21xx_gec *gec,
++ u8 addr, u8 reg, u16 *val)
++{
++ int i;
++
++ if (addr > 31 || reg > 31)
++ return -EINVAL;
++
++ /* clear previous rw_ok status */
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL0, 0x1 << 15);
++
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL0,
++ addr | (reg << 8) | (0x1 << 14));
++
++ for (i = 0; i < 10000; i++) {
++ u32 status;
++
++ status = cns21xx_gec_rr(gec, GEC_REG_PHY_CTRL0);
++ if (status & (0x1 << 15)) {
++ /*
++ * clear the rw_ok status,
++ * and clear other bits value
++ */
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL0, (0x1 << 15));
++ *val = (status >> 16) & 0xffff;
++ return 0;
++ }
++ udelay(1000);
++ }
++
++ dev_err(&gec->netdev->dev,
++ "%s timed out, phy_addr:0x%x, phy_reg:0x%x\n",
++ __func__, addr, reg);
++
++ *val = 0xffff;
++ return -EIO;
++}
++
++static void cns21xx_gec_dma_config(struct cns21xx_gec *gec)
++{
++ u32 dma_config = 0;
++
++ dma_config = cns21xx_gec_rr(gec, GEC_REG_DMA_CFG);
++
++ /* Config TX DMA */
++ /* TX auto polling: 1 us */
++ dma_config &= ~(0x3 << 6);
++ /* TX auto polling :100us */
++ dma_config |= (0x2 << 6);
++ /* TX auto polling C-bit enable */
++ dma_config |= (0x1 << 5);
++ /* TX can transmit packets, No suspend */
++ dma_config &= ~(0x1 << 4);
++
++ /* Config RX DMA */
++ /* RX auto polling: 1 us */
++ dma_config &= ~(0x3 << 2);
++ /* RX auto polling :100us */
++ dma_config |= (0x2 << 2);
++ /* RX auto polling C-bit enable */
++ dma_config |= (0x1 << 1);
++ /* RX can receive packets, No suspend */
++ dma_config &= ~0x1;
++
++ /* 4N+2(for Linux) */
++ dma_config &= ~(0x1 << 16);
++
++ cns21xx_gec_wr(gec, GEC_REG_DMA_CFG, dma_config);
++}
++
++static void cns21xx_gec_mac_config(struct cns21xx_gec *gec)
++{
++ u32 mac_config;
++
++ mac_config = cns21xx_gec_rr(gec, GEC_REG_MAC_CFG);
++
++#ifdef CNS21XX_GEC_TX_HW_CHECKSUM
++ /* Tx ChkSum offload On: TCP/UDP/IP */
++ mac_config |= (0x1 << 26);
++#else
++ /* Tx ChkSum offload Off: TCP/UDP/IP */
++ mac_config &= ~(0x1 << 26);
++#endif
++
++#ifdef CNS21XX_GEC_RX_HW_CHECKSUM
++ /* Rx ChkSum offload On: TCP/UDP/IP */
++ mac_config |= (0x1 << 25);
++#else
++ /* Rx ChkSum offload Off: TCP/UDP/IP */
++ mac_config &= ~(0x1 << 25);
++#endif
++
++ /* Accept CSUM error pkt */
++ mac_config |= (0x1 << 24);
++ /* IST disable */
++ mac_config &= ~(0x1 << 23);
++ /* Strip vlan tag */
++ mac_config |= (0x1 << 22);
++ /* Accept CRC error pkt */
++ mac_config |= (0x1 << 21);
++ /* CRC strip */
++ mac_config |= (0x1 << 20);
++
++ /* Discard oversize pkt */
++ mac_config &= ~(0x1 << 18);
++
++ /* clear, set 1518 */
++ mac_config &= ~(0x3 << 16);
++
++ /* 1536 */
++ mac_config |= (0x2 << 16);
++
++ /* IPG */
++ mac_config |= (0x1f << 10);
++
++ /* Do not skip 16 consecutive collisions pkt */
++ /* allow to re-tx */
++ mac_config |= (0x1 << 9);
++ /* Fast retry */
++ mac_config |= (0x1 << 8);
++
++ cns21xx_gec_wr(gec, GEC_REG_MAC_CFG, mac_config);
++}
++
++static void cns21xx_gec_fc_config(struct cns21xx_gec *gec)
++{
++ u32 fc_config;
++
++ fc_config = cns21xx_gec_rr(gec, GEC_REG_FC_CFG);
++
++ /* Send pause on frame threshold */
++ /* Clear */
++ fc_config &= ~(0xfff << 16);
++ fc_config |= (0x360 << 16);
++ /* Disable UC_PAUSE */
++ fc_config &= ~(0x1 << 8);
++ /* Enable Half Duplex backpressure */
++ fc_config |= (0x1 << 7);
++ /* Collision-based BP */
++ fc_config &= ~(0x1 << 6);
++ /* Disable max BP collision */
++ fc_config &= ~(0x1 << 5);
++ /* Clear */
++ fc_config &= ~(0x1f);
++ /* Set */
++ fc_config |= (0xc);
++
++ cns21xx_gec_wr(gec, GEC_REG_FC_CFG, fc_config);
++}
++
++static void cns21xx_gec_internal_phy_config(struct cns21xx_gec *gec)
++{
++ u32 phy_ctrl1;
++ u32 phy_addr;
++
++ dev_info(&gec->netdev->dev, "Internal PHY\n");
++
++ phy_addr = CNS21XX_GEC_PHY_ADDR;
++ gec->phy_addr = phy_addr;
++
++ phy_ctrl1 = cns21xx_gec_rr(gec, GEC_REG_PHY_CTRL1);
++
++ /* set phy addr for auto-polling */
++ phy_ctrl1 |= (phy_addr & 0x1f) << 24;
++
++ /* set internal phy mode */
++ /* internel 10/100 phy */
++ phy_ctrl1 |= 0x1 << 18;
++
++ /* MII */
++ phy_ctrl1 &= ~(0x1 << 17);
++
++ /* MAC mode */
++ phy_ctrl1 &= ~(0x1 << 16);
++
++ /* config PHY LED bit[13:12] */
++ cns21xx_gec_read_phy(gec, phy_addr, 31, (u16 *)(&phy_ctrl1));
++ /* clear LED control */
++ phy_ctrl1 &= ~(0x3 << 12);
++ phy_ctrl1 |= FE_PHY_LED_MODE;
++ cns21xx_gec_write_phy(gec, phy_addr, 31, phy_ctrl1);
++
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL1, phy_ctrl1);
++}
++
++static void cns21xx_gec_vsc8601_phy_config(struct cns21xx_gec *gec)
++{
++ u32 phy_ctrl1;
++ u32 phy_addr;
++ u16 phy_data;
++
++ phy_addr = CNS21XX_GEC_PHY_ADDR;
++ gec->phy_addr = phy_addr;
++
++ phy_ctrl1 = cns21xx_gec_rr(gec, GEC_REG_PHY_CTRL1);
++
++ /* phy addr for auto-polling */
++ phy_ctrl1 |= phy_addr << 24;
++
++ /* set external phy mode */
++ phy_ctrl1 &= ~(0x1 << 18);
++
++ /* set RGMII */
++ phy_ctrl1 |= (0x1 << 17);
++
++ /* set MII interface */
++ phy_ctrl1 &= ~(0x1 << 16);
++
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL1, phy_ctrl1);
++
++ /* set phy addr for auto-polling */
++ phy_ctrl1 |= phy_addr << 24;
++
++ /* set external phy mode */
++ /* MII/RGMII interface */
++ phy_ctrl1 &= ~(0x1 << 18);
++
++ /* RGMII */
++ phy_ctrl1 |= (0x1 << 17);
++
++ /* MAC mode */
++ phy_ctrl1 &= ~(0x1 << 16);
++
++ cns21xx_gec_read_phy(gec, phy_addr, 3, &phy_data);
++ if ((phy_data & 0x000f) == 0x0000) {
++ /* type A chip */
++ u16 tmp16;
++
++ dev_info(&gec->netdev->dev, "VSC8601 Type A Chip\n");
++ cns21xx_gec_write_phy(gec, phy_addr, 31, 0x52B5);
++ cns21xx_gec_write_phy(gec, phy_addr, 16, 0xAF8A);
++
++ phy_data = 0x0;
++ cns21xx_gec_read_phy(gec, phy_addr, 18, &tmp16);
++ phy_data |= (tmp16 & ~0x0);
++ cns21xx_gec_write_phy(gec, phy_addr, 18, phy_data);
++
++ phy_data = 0x0008;
++ cns21xx_gec_read_phy(gec, phy_addr, 17, &tmp16);
++ phy_data |= (tmp16 & ~0x000C);
++ cns21xx_gec_write_phy(gec, phy_addr, 17, phy_data);
++
++ cns21xx_gec_write_phy(gec, phy_addr, 16, 0x8F8A);
++ cns21xx_gec_write_phy(gec, phy_addr, 16, 0xAF86);
++
++ phy_data = 0x0008;
++ cns21xx_gec_read_phy(gec, phy_addr, 18, &tmp16);
++ phy_data |= (tmp16 & ~0x000C);
++ cns21xx_gec_write_phy(gec, phy_addr, 18, phy_data);
++
++ phy_data = 0x0;
++ cns21xx_gec_read_phy(gec, phy_addr, 17, &tmp16);
++ phy_data |= (tmp16 & ~0x0);
++ cns21xx_gec_write_phy(gec, phy_addr, 17, phy_data);
++
++ cns21xx_gec_write_phy(gec, phy_addr, 16, 0x8F8A);
++
++ cns21xx_gec_write_phy(gec, phy_addr, 16, 0xAF82);
++
++ phy_data = 0x0;
++ cns21xx_gec_read_phy(gec, phy_addr, 18, &tmp16);
++ phy_data |= (tmp16 & ~0x0);
++ cns21xx_gec_write_phy(gec, phy_addr, 18, phy_data);
++
++ phy_data = 0x0100;
++ cns21xx_gec_read_phy(gec, phy_addr, 17, &tmp16);
++ phy_data |= (tmp16 & ~0x0180);
++ cns21xx_gec_write_phy(gec, phy_addr, 17, phy_data);
++
++ cns21xx_gec_write_phy(gec, phy_addr, 16, 0x8F82);
++
++ cns21xx_gec_write_phy(gec, phy_addr, 31, 0x0);
++
++ /* Set port type: single port */
++ cns21xx_gec_read_phy(gec, phy_addr, 9, &phy_data);
++ phy_data &= ~(0x1 << 10);
++ cns21xx_gec_write_phy(gec, phy_addr, 9, phy_data);
++ } else if ((phy_data & 0x000f) == 0x0001) {
++ /* type B chip */
++ dev_info(&gec->netdev->dev, "VSC8601 Type B Chip\n");
++
++ cns21xx_gec_read_phy(gec, phy_addr, 23, &phy_data);
++ phy_data |= (0x1 << 8); /* set RGMII timing skew */
++ cns21xx_gec_write_phy(gec, phy_addr, 23, phy_data);
++ }
++
++ /* change to extened registers */
++ cns21xx_gec_write_phy(gec, phy_addr, 31, 0x0001);
++
++ cns21xx_gec_read_phy(gec, phy_addr, 28, &phy_data);
++ phy_data &= ~(0x3 << 14); /* set RGMII TX timing skew */
++ phy_data |= (0x3 << 14); /* 2.0ns */
++ phy_data &= ~(0x3 << 12); /* set RGMII RX timing skew */
++ phy_data |= (0x3 << 12); /* 2.0ns */
++ cns21xx_gec_write_phy(gec, phy_addr, 28, phy_data);
++
++ /* change to normal registers */
++ cns21xx_gec_write_phy(gec, phy_addr, 31, 0x0000);
++
++#if 0
++ /* set TX and RX clock skew */
++ cns21xx_gec_wr(gec, GEC_REG_TEST0, (0x2 << 2) | (0x2 << 0));
++#endif
++
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL1, phy_ctrl1);
++}
++
++static void cns21xx_gec_ip101a_phy_config(struct cns21xx_gec *gec)
++{
++ u32 phy_ctrl1;
++ u32 phy_addr;
++
++ dev_info(&gec->netdev->dev, "ICPlus IP101A\n");
++
++ phy_addr = 1;
++ gec->phy_addr = phy_addr;
++
++ phy_ctrl1 = cns21xx_gec_rr(gec, GEC_REG_PHY_CTRL1);
++
++ /* set phy addr for auto-polling */
++ phy_ctrl1 |= phy_addr << 24;
++
++ /* set external phy mode */
++ /* MII/RGMII interface */
++ phy_ctrl1 &= ~(0x1 << 18);
++
++ /* MII */
++ phy_ctrl1 &= ~(0x1 << 17);
++
++ /* MAC mode */
++ phy_ctrl1 &= ~(0x1 << 16);
++
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL1, phy_ctrl1);
++}
++
++static void cns21xx_gec_ip1001_phy_config(struct cns21xx_gec *gec)
++{
++ u32 phy_ctrl1;
++ u32 phy_addr;
++ u16 phy_data;
++
++ dev_info(&gec->netdev->dev, "ICPlus IP1001\n");
++
++ phy_addr = 1;
++ gec->phy_addr = phy_addr;
++
++ phy_ctrl1 = cns21xx_gec_rr(gec, GEC_REG_PHY_CTRL1);
++
++ /* set phy addr for auto-polling */
++ phy_ctrl1 |= phy_addr << 24;
++
++ /* set external phy mode */
++ /* MII/RGMII interface */
++ phy_ctrl1 &= ~(0x1 << 18);
++
++ /* RGMII */
++ phy_ctrl1 |= (0x1 << 17);
++
++ /* MAC mode */
++ phy_ctrl1 &= ~(0x1 << 16);
++
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL1, phy_ctrl1);
++ cns21xx_gec_read_phy(gec, phy_addr, 2, &phy_data);
++
++ /* set AN capability */
++ cns21xx_gec_read_phy(gec, phy_addr, 4, &phy_data);
++ /* clear existing values */
++ phy_data &= ~(0xf << 5);
++ /* 10Half */
++ phy_data |= (0x1 << 5);
++ /* 10Full */
++ phy_data |= (0x1 << 6);
++ /* 100Half */
++ phy_data |= (0x1 << 7);
++ /* 100Full */
++ phy_data |= (0x1 << 8);
++ /* FC on */
++ phy_data |= (0x1 << 10);
++ cns21xx_gec_write_phy(gec, phy_addr, 4, phy_data);
++
++ cns21xx_gec_read_phy(gec, phy_addr, 9, &phy_data);
++ /* 1000Full on */
++ phy_data |= (0x1 << 9);
++ phy_data &= ~(0x1 << 10);
++ phy_data |= (0x1 << 12);
++ cns21xx_gec_write_phy(gec, phy_addr, 9, phy_data);
++
++ cns21xx_gec_read_phy(gec, phy_addr, 16, &phy_data);
++ /* Smart function off */
++ phy_data &= ~(0x1 << 11);
++ /* TX delay */
++ phy_data |= (0x1 << 0);
++ /* RX delay */
++ phy_data |= (0x1 << 1);
++ cns21xx_gec_write_phy(gec, phy_addr, 16, phy_data);
++
++ cns21xx_gec_read_phy(gec, phy_addr, 16, &phy_data);
++
++#if 0
++ cns21xx_gec_read_phy(gec, phy_addr, 20, &phy_data);
++ phy_data &= ~(0x1<<2);
++
++ phy_data |= (0x1<<9);
++ cns21xx_gec_write_phy(gec, phy_addr, 20, phy_data);
++#endif
++
++ cns21xx_gec_read_phy(gec, phy_addr, 0, &phy_data);
++ phy_data |= (0x1 << 9); /* re-AN */
++ cns21xx_gec_write_phy(gec, phy_addr, 0, phy_data);
++
++ cns21xx_gec_read_phy(gec, phy_addr, 9, &phy_data);
++
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL1, phy_ctrl1);
++}
++
++static int cns21xx_gec_phy_config(struct cns21xx_gec *gec)
++{
++ u32 phy_ctrl1;
++
++ switch (gec->pdata->phy_type) {
++ case CNS21XX_GEC_PHY_TYPE_INTERNAL:
++ cns21xx_gec_internal_phy_config(gec);
++ break;
++
++ case CNS21XX_GEC_PHY_TYPE_VSC8601:
++ cns21xx_gec_vsc8601_phy_config(gec);
++ break;
++
++ case CNS21XX_GEC_PHY_TYPE_IP101A:
++ cns21xx_gec_ip101a_phy_config(gec);
++ break;
++
++ case CNS21XX_GEC_PHY_TYPE_IP1001:
++ cns21xx_gec_ip1001_phy_config(gec);
++ break;
++
++ default:
++ return -EINVAL;
++ }
++
++ phy_ctrl1 = cns21xx_gec_rr(gec, GEC_REG_PHY_CTRL1);
++
++ /* AN On */
++ phy_ctrl1 |= (0x1 << 8);
++ if (!((phy_ctrl1 >> 8) & 0x1)) { /* AN disable */
++ /* Force to FullDuplex mode */
++ phy_ctrl1 &= ~(0x1 << 11); /* Half */
++
++ /* Force to 100Mbps mode */
++ phy_ctrl1 &= ~(0x3 << 9); /* clear to 10M */
++ phy_ctrl1 |= (0x1 << 9); /* set to 100M */
++ }
++
++ /* Force TX FlowCtrl On,in 1000M */
++ phy_ctrl1 |= (0x1 << 13);
++
++ /* Force TX FlowCtrl On, in 10/100M */
++ phy_ctrl1 |= (0x1 << 12);
++
++ /* Enable MII auto polling */
++ phy_ctrl1 &= ~(0x1 << 7);
++
++ cns21xx_gec_wr(gec, GEC_REG_PHY_CTRL1, phy_ctrl1);
++ cns21xx_gec_phy_powerdown(gec);
++
++ return 0;
++}
++
++static void cns21xx_gec_vlan_config(struct cns21xx_gec *gec)
++{
++ /* setup VLAN entries */
++ gec->vlans[0].vid = 2;
++ gec->vlans[0].control = 0;
++ gec->vlans[1].vid = 2;
++ gec->vlans[1].control = 1;
++ gec->vlans[2].vid = 1;
++ gec->vlans[2].control = 1;
++ gec->vlans[3].vid = 1;
++ gec->vlans[3].control = 0;
++
++ cns21xx_gec_wr(gec, GEC_REG_VLAN_ID_0_1,
++ (gec->vlans[0].vid & 0x0fff) |
++ ((gec->vlans[1].vid & 0x0fff) << 16));
++
++ cns21xx_gec_wr(gec, GEC_REG_VLAN_ID_2_3,
++ (gec->vlans[2].vid & 0x0fff) |
++ ((gec->vlans[3].vid & 0x0fff) << 16));
++
++ cns21xx_gec_wr(gec, GEC_REG_VLAN_CTRL,
++ (gec->vlans[0].control << 0) |
++ (gec->vlans[1].control << 1) |
++ (gec->vlans[2].control << 2) |
++ (gec->vlans[3].control << 3));
++}
++
++static int cns21xx_gec_arl_config(struct cns21xx_gec *gec)
++{
++ u32 arl_config;
++
++ arl_config = cns21xx_gec_rr(gec, GEC_REG_ARL_CFG);
++
++ /* Misc Mode ON */
++ arl_config |= (0x1 << 4);
++
++ /* My MAC only enable */
++ arl_config |= (0x1 << 3);
++
++ /* Learn SA On */
++ arl_config &= ~(0x1 << 2);
++
++ /* Forward MC to CPU */
++ arl_config &= ~(0x1 << 1);
++
++ /* Hash direct mode */
++ arl_config &= ~(0x1);
++
++ cns21xx_gec_wr(gec, GEC_REG_ARL_CFG, arl_config);
++
++ return 0;
++}
++
++static void cns21xx_gec_phy_powerdown(struct cns21xx_gec *gec)
++{
++ u16 phy_data = 0;
++
++ cns21xx_gec_read_phy(gec, gec->phy_addr, 0, &phy_data);
++ phy_data |= (0x1 << 11);
++ cns21xx_gec_write_phy(gec, gec->phy_addr, 0, phy_data);
++
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 15);
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG &= ~(0x1 << 15);
++}
++
++static void cns21xx_gec_phy_powerup(struct cns21xx_gec *gec)
++{
++ u16 phy_data = 0;
++
++ cns21xx_gec_read_phy(gec, gec->phy_addr, 0, &phy_data);
++ phy_data &= ~(0x1 << 11);
++ cns21xx_gec_write_phy(gec, gec->phy_addr, 0, phy_data);
++
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 15);
++}
++
++static void cns21xx_gec_enable(struct cns21xx_gec *gec)
++{
++ /* start Rx DMA */
++ cns21xx_gec_wr(gec, GEC_REG_RX_DMA_CTRL, 1);
++
++ cns21xx_gec_phy_powerup(gec);
++ internal_phy_start_timer(gec);
++}
++
++static void cns21xx_gec_shutdown(struct cns21xx_gec *gec)
++{
++ /* stop Rx and Tx DMA */
++ cns21xx_gec_wr(gec, GEC_REG_RX_DMA_CTRL, 0);
++ cns21xx_gec_wr(gec, GEC_REG_TX_DMA_CTRL, 0);
++
++ internal_phy_stop_timer(gec);
++}
++
++static irqreturn_t cns21xx_gec_receive_isr(int irq, void *dev_id)
++{
++ struct cns21xx_gec *gec = dev_id;
++
++ if (!test_bit(NAPI_STATE_SCHED, &gec->napi.state)) {
++ if (likely(napi_schedule_prep(&gec->napi)))
++ __napi_schedule(&gec->napi);
++ }
++
++ return IRQ_HANDLED;
++}
++
++static int cns21xx_gec_install_receive_isr(struct cns21xx_gec *gec)
++{
++ int err;
++
++ err = request_irq(gec->rxrc_irq, cns21xx_gec_receive_isr,
++ IRQF_SHARED, dev_name(&gec->netdev->dev), gec);
++ if (err)
++ dev_err(&gec->netdev->dev,
++ "unable to get IRQ %d (err=%d)\n",
++ gec->rxrc_irq, err);
++
++ return err;
++}
++
++static void cns21xx_gec_uninstall_receive_isr(struct cns21xx_gec *gec)
++{
++ free_irq(gec->rxrc_irq, gec);
++}
++
++static irqreturn_t cns21xx_gec_rxqf_isr(int irq, void *dev_id)
++{
++ struct cns21xx_gec *gec = dev_id;
++
++ /*
++ * because in normal state, fsql only invoke once
++ * and set_bit is atomic function, so don't mask it
++ */
++ set_bit(0, &gec->rx_queue_full);
++ if (!test_bit(NAPI_STATE_SCHED, &gec->napi.state)) {
++ if (likely(napi_schedule_prep(&gec->napi)))
++ __napi_schedule(&gec->napi);
++ }
++
++ return IRQ_HANDLED;
++}
++
++static int cns21xx_gec_install_rxqf_isr(struct cns21xx_gec *gec)
++{
++ int err;
++
++ /* QUEUE full interrupt handler */
++ err = request_irq(gec->rxqf_irq, cns21xx_gec_rxqf_isr,
++ IRQF_SHARED, dev_name(&gec->netdev->dev), gec);
++ if (err)
++ dev_err(&gec->netdev->dev,
++ "unable to get IRQ %d (err=%d)\n",
++ gec->rxqf_irq, err);
++
++ return err;
++}
++
++static void cns21xx_gec_uninstall_rxqf_isr(struct cns21xx_gec *gec)
++{
++ free_irq(gec->rxqf_irq, gec);
++}
++
++static void cns21xx_gec_mib_reset(struct cns21xx_gec *gec)
++{
++ unsigned long flags;
++
++ local_irq_save(flags);
++ (void) cns21xx_gec_rr(gec, GEC_REG_RX_OK_PKT_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_RX_OK_BYTE_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_RX_RUNT_BYTE_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_RX_OSIZE_DROP_PKT_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_RX_NO_BUF_DROP_PKT_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_RX_CRC_ERR_PKT_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_RX_ARL_DROP_PKT_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_MYVLANID_MISMATCH_DROP_PKT_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_RX_CHKSUM_ERR_PKT_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_RX_PAUSE_FRAME_PKT_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_TX_OK_PKT_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_TX_OK_BYTE_CNTR);
++ (void) cns21xx_gec_rr(gec, GEC_REG_TX_PAUSE_FRAME_CNTR);
++ local_irq_restore(flags);
++}
++
++static void cns21xx_gec_mib_read(struct cns21xx_gec *gec)
++{
++ unsigned long flags;
++
++ local_irq_save(flags);
++ gec->mib_info.mib_rx_ok_pkt +=
++ cns21xx_gec_rr(gec, GEC_REG_RX_OK_PKT_CNTR);
++ gec->mib_info.mib_rx_ok_byte +=
++ cns21xx_gec_rr(gec, GEC_REG_RX_OK_BYTE_CNTR);
++ gec->mib_info.mib_rx_runt +=
++ cns21xx_gec_rr(gec, GEC_REG_RX_RUNT_BYTE_CNTR);
++ gec->mib_info.mib_rx_over_size +=
++ cns21xx_gec_rr(gec, GEC_REG_RX_OSIZE_DROP_PKT_CNTR);
++ gec->mib_info.mib_rx_no_buffer_drop +=
++ cns21xx_gec_rr(gec, GEC_REG_RX_NO_BUF_DROP_PKT_CNTR);
++ gec->mib_info.mib_rx_crc_err +=
++ cns21xx_gec_rr(gec, GEC_REG_RX_CRC_ERR_PKT_CNTR);
++ gec->mib_info.mib_rx_arl_drop +=
++ cns21xx_gec_rr(gec, GEC_REG_RX_ARL_DROP_PKT_CNTR);
++ gec->mib_info.mib_rx_myvid_drop +=
++ cns21xx_gec_rr(gec, GEC_REG_MYVLANID_MISMATCH_DROP_PKT_CNTR);
++ gec->mib_info.mib_rx_csum_err +=
++ cns21xx_gec_rr(gec, GEC_REG_RX_CHKSUM_ERR_PKT_CNTR);
++ gec->mib_info.mib_rx_pause_frame +=
++ cns21xx_gec_rr(gec, GEC_REG_RX_PAUSE_FRAME_PKT_CNTR);
++ gec->mib_info.mib_tx_ok_pkt +=
++ cns21xx_gec_rr(gec, GEC_REG_TX_OK_PKT_CNTR);
++ gec->mib_info.mib_tx_ok_byte +=
++ cns21xx_gec_rr(gec, GEC_REG_TX_OK_BYTE_CNTR);
++ gec->mib_info.mib_tx_pause_frame +=
++ cns21xx_gec_rr(gec, GEC_REG_TX_PAUSE_FRAME_CNTR);
++ local_irq_restore(flags);
++}
++
++static const char *cns21xx_gec_speed_str(u32 phy_ctrl1)
++{
++ switch ((phy_ctrl1 >> 2) & 3) {
++ case 0:
++ return "10";
++ case 1:
++ return "100";
++ case 2:
++ return "1000";
++ }
++
++ return "???";
++}
++
++static irqreturn_t cns21xx_gec_status_isr(int irq, void *dev_id)
++{
++ struct cns21xx_gec *gec = dev_id;
++ u32 int_status;
++
++ int_status = cns21xx_gec_rr(gec, GEC_REG_INT);
++ cns21xx_gec_wr(gec, GEC_REG_INT, int_status);
++
++ /* flush write */
++ (void) cns21xx_gec_rr(gec, GEC_REG_INT);
++
++ if (int_status & GEC_INT_MIB_COUNTER_TH)
++ cns21xx_gec_mib_read(gec);
++
++ if (int_status & GEC_INT_PORT_STATUS_CHG) {
++ u32 phy_ctrl1;
++
++ phy_ctrl1 = cns21xx_gec_rr(gec, GEC_REG_PHY_CTRL1);
++ if (phy_ctrl1 & BIT(0)) {
++ netif_carrier_on(gec->netdev);
++ dev_info(&gec->netdev->dev,
++ "link up (%sMbps/%s duplex)\n",
++ cns21xx_gec_speed_str(phy_ctrl1),
++ (phy_ctrl1 & BIT(4)) ? "Full" : "Half");
++ } else {
++ netif_carrier_off(gec->netdev);
++ dev_info(&gec->netdev->dev, "link down\n");
++ }
++ }
++
++ return IRQ_HANDLED;
++}
++
++static inline void cns21xx_gec_enable_interrupt(struct cns21xx_gec *gec,
++ u32 mask)
++{
++ cns21xx_gec_wr(gec, GEC_REG_INT_MASK,
++ cns21xx_gec_rr(gec, GEC_REG_INT_MASK) & ~mask);
++}
++
++static int cns21xx_gec_install_status_isr(struct cns21xx_gec *gec)
++{
++ int err;
++
++ err = request_irq(gec->status_irq, cns21xx_gec_status_isr,
++ IRQF_DISABLED, dev_name(&gec->netdev->dev), gec);
++
++ if (err) {
++ dev_err(&gec->netdev->dev,
++ "unable to get IRQ %d (err=%d)\n",
++ gec->status_irq, err);
++ return err;
++ }
++
++ cns21xx_gec_enable_interrupt(gec, GEC_INT_MIB_COUNTER_TH |
++ GEC_INT_PORT_STATUS_CHG);
++
++ return 0;
++}
++
++static inline void cns21xx_gec_uninstall_status_isr(struct cns21xx_gec *gec)
++{
++ free_irq(gec->status_irq, gec);
++}
++
++static void cns21xx_gec_uninstall_isr(struct cns21xx_gec *gec)
++{
++ cns21xx_gec_uninstall_rxqf_isr(gec);
++ cns21xx_gec_uninstall_status_isr(gec);
++ cns21xx_gec_uninstall_receive_isr(gec);
++}
++
++static int cns21xx_gec_install_isr(struct cns21xx_gec *gec)
++{
++ int err;
++
++ /* setup delayed interrupts */
++ cns21xx_gec_wr(gec, GEC_REG_DLY_INT_CFG,
++ (1 << 16) |
++ ((CNS21XX_PEND_INT_COUNT & 0xFF) << 8) |
++ (CNS21XX_PEND_INT_TIME & 0xFF));
++
++ err = cns21xx_gec_install_receive_isr(gec);
++ if (err)
++ goto err_out;
++
++ err = cns21xx_gec_install_rxqf_isr(gec);
++ if (err)
++ goto err_uninstall_receive;
++
++ err = cns21xx_gec_install_status_isr(gec);
++ if (err)
++ goto err_uninstall_rxqf;
++
++ return 0;
++
++ err_uninstall_rxqf:
++ cns21xx_gec_uninstall_rxqf_isr(gec);
++ err_uninstall_receive:
++ cns21xx_gec_uninstall_receive_isr(gec);
++ err_out:
++ return err;
++}
++
++static int cns21xx_gec_lan_open(struct net_device *dev)
++{
++ struct cns21xx_gec *gec = netdev_priv(dev);
++ int err;
++
++ dev_dbg(&gec->netdev->dev, "open\n");
++
++#ifdef MODULE
++ MOD_INC_USE_COUNT;
++#endif
++
++ napi_enable(&gec->napi);
++ netif_start_queue(dev);
++ err = cns21xx_gec_install_isr(gec);
++ if (err)
++ goto err;
++
++ cns21xx_gec_enable(gec);
++
++ return 0;
++
++ err:
++ netif_stop_queue(dev);
++ napi_disable(&gec->napi);
++ return err;
++}
++
++static void cns21xx_gec_timeout(struct net_device *dev)
++{
++ dev_dbg(&dev->dev, "timeout\n");
++ netif_wake_queue(dev);
++ dev->trans_start = jiffies;
++}
++
++static int cns21xx_gec_close(struct net_device *dev)
++{
++ struct cns21xx_gec *gec = netdev_priv(dev);
++
++ cns21xx_gec_phy_powerdown(gec);
++ cns21xx_gec_uninstall_isr(gec);
++ napi_disable(&gec->napi);
++ netif_stop_queue(dev);
++ cns21xx_gec_shutdown(gec);
++
++#ifdef MODULE
++ MOD_DEC_USE_COUNT;
++#endif
++
++ return 0;
++}
++
++static inline struct sk_buff *cns21xx_gec_alloc_skb(void)
++{
++ struct sk_buff *skb;
++
++ skb = dev_alloc_skb(MAX_PACKET_LEN + 2);
++
++ if (unlikely(!skb))
++ return NULL;
++
++ /* Make buffer alignment 2 beyond a 16 byte boundary
++ * this will result in a 16 byte aligned IP header after
++ * the 14 byte MAC header is removed
++ */
++ skb_reserve(skb, 2); /* 16 bit alignment */
++
++ return skb;
++}
++
++static inline int cns21xx_gec_tx_dma_size(struct cns21xx_gec *gec)
++{
++ return gec->txring.count * sizeof(struct cns21xx_gec_txd);
++}
++
++static inline int cns21xx_gec_rx_dma_size(struct cns21xx_gec *gec)
++{
++ return gec->rxring.count * sizeof(struct cns21xx_gec_rxd);
++}
++
++static void __init cns21xx_gec_buffer_free(struct cns21xx_gec *gec)
++{
++ struct cns21xx_gec_ring *txring = &gec->txring;
++ struct cns21xx_gec_ring *rxring = &gec->rxring;
++ int i;
++
++ if (rxring->desc_cpu) {
++ for (i = 0; i < rxring->count; i++) {
++ if (rxring->skbs[i])
++ dev_kfree_skb(rxring->skbs[i]);
++ }
++
++ dma_free_coherent(gec->parent, cns21xx_gec_rx_dma_size(gec),
++ rxring->desc_cpu, rxring->desc_dma);
++ memset((void *)&rxring, 0, cns21xx_gec_rx_dma_size(gec));
++ }
++
++ if (txring->desc_cpu) {
++ dma_free_coherent(gec->parent, cns21xx_gec_tx_dma_size(gec),
++ txring->desc_cpu, txring->desc_dma);
++ memset((void *)&txring, 0, cns21xx_gec_tx_dma_size(gec));
++ }
++
++ kfree(txring->skbs);
++ kfree(rxring->skbs);
++}
++
++static int __init cns21xx_gec_buffer_alloc(struct cns21xx_gec *gec)
++{
++ struct cns21xx_gec_ring *txring = &gec->txring;
++ struct cns21xx_gec_ring *rxring = &gec->rxring;
++ struct cns21xx_gec_rxd *rxd;
++ struct cns21xx_gec_txd *txd;
++ struct sk_buff *skb;
++ int err = -ENOMEM;
++ int i;
++
++ rxring->skbs = kzalloc(rxring->count * sizeof(struct skb *),
++ GFP_KERNEL);
++
++ if (rxring->skbs == NULL) {
++ dev_err(&gec->netdev->dev,
++ "%s allocation failed\n", "RX buffer");
++ goto err_out;
++ }
++
++ txring->skbs = kzalloc(txring->count * sizeof(struct skb *),
++ GFP_KERNEL);
++
++ if (txring->skbs == NULL) {
++ dev_err(&gec->netdev->dev,
++ "%s allocation failed\n", "TX buffer");
++ goto err_out;
++ }
++
++ rxring->desc_cpu = dma_alloc_coherent(gec->parent,
++ cns21xx_gec_rx_dma_size(gec),
++ &rxring->desc_dma,
++ GFP_KERNEL);
++ if (!rxring->desc_cpu) {
++ dev_err(&gec->netdev->dev,
++ "%s allocation failed\n", "RX ring");
++ goto err_out;
++ }
++
++ txring->desc_cpu = dma_alloc_coherent(gec->parent,
++ cns21xx_gec_tx_dma_size(gec),
++ &txring->desc_dma,
++ GFP_KERNEL);
++ if (!txring->desc_cpu) {
++ dev_err(&gec->netdev->dev,
++ "%s allocation failed\n", "TX ring");
++ goto err_out;
++ }
++
++ /* Clean RX Memory */
++ memset((void *)rxring->desc_cpu, 0, cns21xx_gec_rx_dma_size(gec));
++ dev_dbg(&gec->netdev->dev,
++ "rxring->desc_cpu=0x%08X rxring->desc_dma=0x%08X\n",
++ (u32) rxring->desc_cpu,
++ (u32) rxring->desc_dma);
++
++ /* Set cur_index Point to Zero */
++ rxring->curr = 0;
++ rxd = rxring->desc_cpu;
++ for (i = 0; i < rxring->count; i++, rxd++) {
++ if (i == (rxring->count - 1)) {
++ /* End bit == 0; */
++ rxd->eor = 1;
++ }
++ skb = cns21xx_gec_alloc_skb();
++ if (!skb) {
++ dev_err(&gec->netdev->dev,
++ "%s allocation failed\n", "skb");
++ goto err_out;
++ }
++
++ /* Trans Packet from Virtual Memory to Physical Memory */
++ rxring->skbs[i] = skb;
++ rxd->sdp = dma_map_single(gec->parent,
++ skb->data,
++ MAX_PACKET_LEN,
++ DMA_TO_DEVICE);
++ rxd->length = MAX_PACKET_LEN;
++ }
++
++ /* Clear TX Memory */
++ memset((void *)txring->desc_cpu, 0, cns21xx_gec_tx_dma_size(gec));
++ dev_dbg(&gec->netdev->dev,
++ "txring->desc_cpu=0x%08X txring->desc_dma=0x%08X\n",
++ (u32) txring->desc_cpu,
++ (u32) txring->desc_dma);
++
++ /* Set cur_index Point to Zero */
++ txring->curr = 0;
++ txd = txring->desc_cpu;
++ for (i = 0; i < txring->count; i++, txd++) {
++ if (i == (txring->count - 1)) {
++ /* End of Ring ==1 */
++ txd->eor = 1;
++ }
++ /* TX Ring , Cown == 1 */
++ txd->cown = 1;
++
++#ifdef CNS21XX_GEC_TX_HW_CHECKSUM
++ /* Enable Checksum */
++ txd->ico = 1;
++ txd->uco = 1;
++ txd->tco = 1;
++#else
++ txd->ico = 0;
++ txd->uco = 0;
++ txd->tco = 0;
++#endif
++ /* clear txring->skbs */
++ txring->skbs[i] = NULL;
++ }
++
++ return 0;
++
++err_out:
++ cns21xx_gec_buffer_free(gec);
++ return err;
++}
++
++static int cns21xx_gec_get_rfd_buff(struct cns21xx_gec *gec, int index)
++{
++ struct cns21xx_gec_ring *rxring = &gec->rxring;
++ struct cns21xx_gec_rxd *rxd;
++ struct sk_buff *skb;
++ unsigned char *data;
++ int len;
++
++ /* TODO: get rxdesc ptr */
++ rxd = ((struct cns21xx_gec_rxd *) rxring->desc_cpu) + index;
++ skb = rxring->skbs[index];
++
++ len = rxd->length;
++
++ dma_unmap_single(gec->parent, rxd->sdp, len,
++ DMA_FROM_DEVICE);
++
++ data = skb_put(skb, len);
++
++ skb->dev = gec->netdev;
++
++#ifdef CNS21XX_GEC_RX_HW_CHECKSUM
++ if (rxd->ipf == 1 || rxd->l4f == 1) {
++ if (rxd->prot != 0x11) {
++ skb->ip_summed = CHECKSUM_NONE;
++ } else {
++ /* CheckSum Fail */
++ skb->dev->stats.rx_errors++;
++ goto freepacket;
++ }
++ } else {
++ skb->ip_summed = CHECKSUM_UNNECESSARY;
++ }
++#else
++ skb->ip_summed = CHECKSUM_NONE;
++#endif
++
++ /* this line must, if no, packet will not send to network layer */
++ skb->protocol = eth_type_trans(skb, skb->dev);
++
++ skb->dev->stats.rx_packets++;
++ skb->dev->stats.rx_bytes += len;
++ skb->dev->last_rx = jiffies;
++
++ /* if netif_rx any package, will let this driver core dump. */
++ netif_receive_skb(skb);
++
++ return 0;
++
++freepacket:
++ dev_kfree_skb_any(skb);
++ return 0;
++}
++
++static void cns21xx_gec_receive_packet(struct cns21xx_gec *gec,
++ int mode, int *work_done, int work_to_do)
++{
++ struct cns21xx_gec_ring *rxring = &gec->rxring;
++ int rxsd_index;
++ u32 rxsd_current;
++ struct cns21xx_gec_rxd *rxd;
++ struct sk_buff *skb;
++ int i, rxcount = 0;
++
++ rxd = ((struct cns21xx_gec_rxd *) rxring->desc_cpu) + rxring->curr;
++ rxsd_current = cns21xx_gec_rr(gec, GEC_REG_RX_DPTR);
++ rxsd_index = (rxsd_current - (u32)rxring->desc_dma) >> 4;
++
++ if (rxsd_index > rxring->curr) {
++ rxcount = rxsd_index - rxring->curr;
++ } else if (rxsd_index < rxring->curr) {
++ rxcount = (rxring->count - rxring->curr) +
++ rxsd_index;
++ } else {
++ if (rxd->cown == 0) {
++ goto receive_packet_exit;
++ } else {
++ /* Queue Full */
++ rxcount = rxring->count;
++ }
++ }
++
++ for (i = 0; i < rxcount; i++) {
++ if (*work_done >= work_to_do)
++ break;
++
++ ++(*work_done);
++
++ if (rxd->cown != 0) {
++ /* Alloc New skb_buff */
++ skb = cns21xx_gec_alloc_skb();
++
++ /* Check skb_buff */
++ if (skb != NULL) {
++ cns21xx_gec_get_rfd_buff(gec, rxring->curr);
++ rxring->skbs[rxring->curr] = skb;
++ rxd->sdp =
++ dma_map_single(gec->parent,
++ skb->data,
++ MAX_PACKET_LEN,
++ DMA_TO_DEVICE);
++ rxd->length = MAX_PACKET_LEN;
++
++ /* set cbit to 0 for CPU Transfer */
++ rxd->cown = 0;
++ } else {
++ /*
++ * TODO: I will add dev->lp.stats->rx_dropped,
++ * it will effect the performance
++ */
++ dev_warn(&gec->netdev->dev,
++ "skb allocation failed, reuse the buffer\n");
++
++ /* set cbit to 0 for CPU Transfer */
++ rxd->cown = 0;
++ return;
++ }
++ } else {
++#if 0
++ dev_err(&gec->netdev->dev, "encounter COWN == 0 BUG\n");
++#endif
++ }
++
++ if (rxring->curr == (rxring->count - 1)) {
++ rxring->curr = 0;
++ rxd = rxring->desc_cpu;
++ } else {
++ rxring->curr++;
++ rxd++;
++ }
++ }
++
++ receive_packet_exit:
++ return;
++}
++
++static int cns21xx_gec_poll(struct napi_struct *napi, int budget)
++{
++ struct cns21xx_gec *gec;
++ int work_done = 0;
++ int work_to_do = budget;
++
++ gec = container_of(napi, struct cns21xx_gec, napi);
++ cns21xx_gec_receive_packet(gec, 0, &work_done, work_to_do);
++
++ budget -= work_done;
++
++ /* if no Tx and not enough Rx work done, exit the polling mode */
++ if (work_done) {
++ if (test_bit(0, &gec->rx_queue_full) == 1) {
++ /* queue full */
++ clear_bit(0, &gec->rx_queue_full);
++ /* start Rx DMA */
++ cns21xx_gec_wr(gec, GEC_REG_RX_DMA_CTRL, 1);
++ return 1;
++ }
++ } else {
++ napi_complete(&gec->napi);
++#ifdef CONFIG_STAR_NIC_NAPI_MASK_IRQ
++ enable_irq(gec->rxrc_irq);
++#endif
++ return 0;
++ }
++
++ return work_done;
++}
++
++static int cns21xx_gec_send_packet(struct sk_buff *skb, struct net_device *dev)
++{
++ struct cns21xx_gec *gec = netdev_priv(dev);
++ struct cns21xx_gec_txd *txd;
++ struct cns21xx_gec_ring *txring = &gec->txring;
++ struct sk_buff *skb_free = NULL;
++ unsigned long flags;
++ unsigned int len;
++
++ if (skb_padto(skb, ETH_ZLEN))
++ return NETDEV_TX_OK;
++
++ len = max_t(unsigned int, skb->len, ETH_ZLEN);
++
++ spin_lock_irqsave(&gec->tx_lock, flags);
++
++ txd = ((struct cns21xx_gec_txd *) txring->desc_cpu) + txring->curr;
++ if (txd->cown == 0) {
++ /* This TFD is busy */
++ spin_unlock_irqrestore(&gec->tx_lock, flags);
++ /* re-queue the skb */
++ return NETDEV_TX_BUSY;
++ }
++
++ if (txd->sdp != 0) {
++ /* MUST TODO: Free skbuff */
++ skb_free = txring->skbs[txring->curr];
++
++ dma_unmap_single(gec->parent,
++ txd->sdp,
++ txd->length,
++ DMA_TO_DEVICE);
++ txring->dirty = txring->curr + 1;
++ if (txring->dirty == txring->count)
++ txring->dirty = 0;
++ }
++
++#ifdef CNS21XX_GEC_TX_HW_CHECKSUM
++ if (skb->protocol == __constant_htons(ETH_P_IP)) {
++ if (ip_hdr(skb)->protocol == IPPROTO_UDP) {
++ txd->uco = 1;
++ txd->tco = 0;
++ } else if (ip_hdr(skb)->protocol == IPPROTO_TCP) {
++ txd->uco = 0;
++ txd->tco = 1;
++ } else {
++ txd->uco = 0;
++ txd->tco = 0;
++ }
++ } else {
++ txd->ico = 0;
++ txd->uco = 0;
++ txd->tco = 0;
++ }
++#endif /* CNS21XX_GEC_TX_HW_CHECKSUM */
++
++ txring->skbs[txring->curr] = skb;
++
++ txd->length = len;
++ txd->sdp = dma_map_single(gec->parent, skb->data, len,
++ DMA_TO_DEVICE);
++
++ txd->fs = 1;
++ txd->ls = 1;
++
++ /* Wake interrupt */
++ txd->intr = 0;
++ txd->cown = 0;
++
++ mb();
++
++ /* Start Tx DMA */
++ cns21xx_gec_wr(gec, GEC_REG_TX_DMA_CTRL, 1);
++
++ dev->stats.tx_packets++;
++ dev->stats.tx_bytes += skb->len;
++ dev->trans_start = jiffies;
++
++ txring->curr++;
++ if (txring->curr == txring->count)
++ txring->curr = 0;
++
++ spin_unlock_irqrestore(&gec->tx_lock, flags);
++
++ if (skb_free)
++ dev_kfree_skb(skb_free);
++
++ cns21xx_gec_timer_modify(gec, 10);
++
++ return NETDEV_TX_OK;
++}
++
++static void cns21xx_gec_set_mac_addr(struct cns21xx_gec *gec,
++ const char *mac_addr)
++{
++ cns21xx_gec_wr(gec, GEC_REG_MY_MAC_H,
++ (mac_addr[0] << 8) | mac_addr[1]);
++
++ cns21xx_gec_wr(gec, GEC_REG_MY_MAC_L,
++ (mac_addr[2] << 24) | (mac_addr[3] << 16) |
++ (mac_addr[4] << 8) | mac_addr[5]);
++
++ dev_dbg(&gec->netdev->dev, "MAC address: %pM", mac_addr);
++}
++
++static int cns21xx_gec_set_lan_mac_addr(struct net_device *dev, void *addr)
++{
++ struct sockaddr *sock_addr = addr;
++ struct cns21xx_gec *gec = netdev_priv(dev);
++
++ spin_lock_irq(&gec->lock);
++ memcpy(dev->dev_addr, sock_addr->sa_data, 6);
++ cns21xx_gec_set_mac_addr(gec, sock_addr->sa_data);
++ spin_unlock_irq(&gec->lock);
++
++ return 0;
++}
++
++static int __init cns21xx_gec_setup(struct cns21xx_gec *gec)
++{
++ int err;
++
++ /* set high */
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 15);
++ /* set low */
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG &= ~(0x1 << 15);
++ /* set high */
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 15);
++ /* set NIC clock to 67.5MHz */
++ PWRMGT_SYSTEM_CLOCK_CONTROL_REG |= (0x1 << 7);
++
++ /* enable NIC clock */
++ HAL_PWRMGT_ENABLE_NIC_CLOCK();
++#if 0
++ cns21xx_gec_wr(gec, GEC_REG_MAC_CFG, 0x00527C00);
++#endif
++ udelay(100);
++
++ /* Configure GPIO for NIC MDC/MDIO pins */
++ HAL_MISC_ENABLE_MDC_MDIO_PINS();
++ HAL_MISC_ENABLE_NIC_COL_PINS();
++
++#if 0
++ MISC_GPIOA_PIN_ENABLE_REG |= (0x7 << 22);
++ MISC_FAST_ETHERNET_PHY_CONFIG_REG |= (FE_PHY_LED_MODE >> 12) & 0x3;
++
++ /* set high */
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 15);
++ /* set low */
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG &= ~(0x1 << 15);
++ /* set high */
++ PWRMGT_SOFTWARE_RESET_CONTROL_REG |= (0x1 << 15);
++#endif
++
++ /* disable all interrupt status sources */
++ cns21xx_gec_wr(gec, GEC_REG_INT_MASK, ~(0));
++ /* clear pending interrupts */
++ cns21xx_gec_wr(gec, GEC_REG_INT, ~(0));
++
++ /* stop Rx and Tx DMA */
++ cns21xx_gec_wr(gec, GEC_REG_TX_DMA_CTRL, 0);
++ cns21xx_gec_wr(gec, GEC_REG_RX_DMA_CTRL, 0);
++
++ gec->txring.count = CNS21XX_GEC_NUM_TXDS;
++ gec->rxring.count = CNS21XX_GEC_NUM_RXDS;
++ err = cns21xx_gec_buffer_alloc(gec);
++ if (err)
++ return err;
++
++ cns21xx_gec_mac_config(gec);
++ cns21xx_gec_fc_config(gec);
++
++ err = cns21xx_gec_phy_config(gec);
++ if (err) {
++ cns21xx_gec_buffer_free(gec);
++ return err;
++ }
++
++ cns21xx_gec_vlan_config(gec);
++ cns21xx_gec_arl_config(gec);
++ cns21xx_gec_set_mac_addr(gec, gec->netdev->dev_addr);
++ cns21xx_gec_mib_reset(gec);
++
++ MISC_DEBUG_PROBE_SELECTION_REG = 0x00000125; /* 0x00000105 pb0_nic */
++
++ cns21xx_gec_wr(gec, GEC_REG_TX_DPTR, gec->txring.desc_dma);
++ cns21xx_gec_wr(gec, GEC_REG_TX_BASE_ADDR, gec->txring.desc_dma);
++ cns21xx_gec_wr(gec, GEC_REG_RX_DPTR, gec->rxring.desc_dma);
++ cns21xx_gec_wr(gec, GEC_REG_RX_BASE_ADDR, gec->rxring.desc_dma);
++
++ cns21xx_gec_dma_config(gec);
++ internal_phy_init_timer(gec);
++ cns21xx_gec_timer_init(gec);
++
++ return 0;
++}
++
++static const struct net_device_ops cns21xx_gec_netdev_ops = {
++ .ndo_open = cns21xx_gec_lan_open,
++ .ndo_stop = cns21xx_gec_close,
++ .ndo_start_xmit = cns21xx_gec_send_packet,
++ .ndo_set_mac_address = cns21xx_gec_set_lan_mac_addr,
++ .ndo_tx_timeout = cns21xx_gec_timeout,
++ .ndo_validate_addr = eth_validate_addr,
++ .ndo_change_mtu = eth_change_mtu,
++};
++
++static int __init cns21xx_gec_probe(struct platform_device *pdev)
++{
++ struct net_device *netdev;
++ struct cns21xx_gec *gec;
++ struct cns21xx_gec_plat_data *pdata;
++ int err;
++
++ pdata = pdev->dev.platform_data;
++ if (!pdata) {
++ dev_dbg(&pdev->dev, "no platform data\n");
++ err = -EINVAL;
++ goto err_out;
++ }
++
++ if (!pdata->mac_addr) {
++ dev_dbg(&pdev->dev, "no mac address\n");
++ err = -EINVAL;
++ goto err_out;
++ }
++
++ netdev = alloc_etherdev(sizeof(struct cns21xx_gec));
++ if (!netdev) {
++ err = -ENOMEM;
++ goto err_out;
++ }
++
++ SET_NETDEV_DEV(netdev, &pdev->dev);
++
++ gec = netdev_priv(netdev);
++ gec->pdata = pdata;
++ gec->parent = &pdev->dev;
++
++ gec->mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!gec->mem_res) {
++ dev_dbg(&pdev->dev, "no iomem resource\n");
++ err = -EINVAL;
++ goto err_free_netdev;
++ }
++
++ gec->status_irq = platform_get_irq_byname(pdev,
++ CNS21XX_GEC_STATUS_IRQ_NAME);
++ if (gec->status_irq < 0) {
++ dev_dbg(&pdev->dev, "%s irq not specified\n",
++ CNS21XX_GEC_STATUS_IRQ_NAME);
++ err = -EINVAL;
++ goto err_free_netdev;
++ }
++
++ gec->rxrc_irq = platform_get_irq_byname(pdev,
++ CNS21XX_GEC_RXRC_IRQ_NAME);
++ if (gec->rxrc_irq < 0) {
++ dev_dbg(&pdev->dev, "%s irq not specified\n",
++ CNS21XX_GEC_RXRC_IRQ_NAME);
++ err = -EINVAL;
++ goto err_free_netdev;
++ }
++
++ gec->rxqf_irq = platform_get_irq_byname(pdev,
++ CNS21XX_GEC_RXQF_IRQ_NAME);
++ if (gec->rxqf_irq < 0) {
++ dev_dbg(&pdev->dev, "%s irq not specified\n",
++ CNS21XX_GEC_RXQF_IRQ_NAME);
++ err = -EINVAL;
++ goto err_free_netdev;
++ }
++
++ gec->txtc_irq = platform_get_irq_byname(pdev,
++ CNS21XX_GEC_TXTC_IRQ_NAME);
++ if (gec->txtc_irq < 0) {
++ dev_dbg(&pdev->dev, "%s irq not specified\n",
++ CNS21XX_GEC_TXTC_IRQ_NAME);
++ err = -EINVAL;
++ goto err_free_netdev;
++ }
++
++ gec->txqe_irq = platform_get_irq_byname(pdev,
++ CNS21XX_GEC_TXQE_IRQ_NAME);
++ if (gec->txqe_irq < 0) {
++ dev_dbg(&pdev->dev, "%s irq not specified\n",
++ CNS21XX_GEC_TXQE_IRQ_NAME);
++ err = -EINVAL;
++ goto err_free_netdev;
++ }
++
++ if (!request_mem_region(gec->mem_res->start,
++ resource_size(gec->mem_res), pdev->name)) {
++ dev_err(&pdev->dev, "unable to request mem region\n");
++ err = -EBUSY;
++ goto err_free_netdev;
++ }
++
++ gec->base = ioremap(gec->mem_res->start, resource_size(gec->mem_res));
++ if (!gec->base) {
++ dev_err(&pdev->dev, "ioremap failed \n");
++ err = -ENXIO;
++ goto err_release_mem;
++ }
++
++ platform_set_drvdata(pdev, netdev);
++
++ spin_lock_init(&gec->lock);
++ spin_lock_init(&gec->tx_lock);
++
++ netdev->base_addr = gec->mem_res->start;
++ netdev->netdev_ops = &cns21xx_gec_netdev_ops;
++#if defined(CNS21XX_GEC_TX_HW_CHECKSUM)
++ netdev->features = NETIF_F_IP_CSUM;
++#endif
++ memcpy(netdev->dev_addr, pdata->mac_addr, 6);
++ netif_napi_add(netdev, &gec->napi, cns21xx_gec_poll, 64);
++
++ gec->netdev = netdev;
++ err = register_netdev(netdev);
++ if (err)
++ goto err_unmap;
++
++ err = cns21xx_gec_setup(gec);
++ if (err)
++ goto err_unregister_netdev;
++
++ return 0;
++
++ err_unregister_netdev:
++ unregister_netdev(netdev);
++ err_unmap:
++ platform_set_drvdata(pdev, NULL);
++ iounmap(gec->base);
++ err_release_mem:
++ release_mem_region(gec->mem_res->start, resource_size(gec->mem_res));
++ err_free_netdev:
++ free_netdev(netdev);
++ err_out:
++ return err;
++}
++
++static int cns21xx_gec_remove(struct platform_device *pdev)
++{
++ struct net_device *netdev = platform_get_drvdata(pdev);
++ struct cns21xx_gec *gec = netdev_priv(netdev);
++
++ unregister_netdev(netdev);
++ platform_set_drvdata(pdev, NULL);
++ iounmap(gec->base);
++ release_mem_region(gec->mem_res->start, resource_size(gec->mem_res));
++ free_netdev(netdev);
++
++ return 0;
++}
++
++static struct platform_driver cns21xx_gec_driver = {
++ .remove = cns21xx_gec_remove,
++ .driver = {
++ .name = "cns21xx-gec",
++ .owner = THIS_MODULE,
++ }
++};
++
++static int __init cns21xx_gec_init(void)
++{
++ return platform_driver_probe(&cns21xx_gec_driver, cns21xx_gec_probe);
++}
++
++static void __exit cns21xx_gec_exit(void)
++{
++ platform_driver_unregister(&cns21xx_gec_driver);
++}
++
++module_init(cns21xx_gec_init);
++module_exit(cns21xx_gec_exit);
++
++#define INTERNAL_PHY_PATCH_CHECKCNT 16
++#define INTERNAL_PHY_PATCH_CHECK_PERIOD 1000 /* ms */
++
++static void (*phy_statemachine)(struct cns21xx_gec*, int, int, int);
++
++#define ETH3220_PHY_MON_PERIOD INTERNAL_PHY_PATCH_CHECK_PERIOD
++
++/* phy monitor state */
++#define NUM_PHY 1
++#define PHY_STATE_INIT 0
++#define LINK_DOWN_POSITIVE 1
++#define WAIT_LINK_UP_POSITIVE 2
++#define LINK_UP_POSITIVE 3
++#define WAIT_BYPASS_LINK_UP_POSITIVE 4
++#define BYPASS_AND_LINK_UP_POSITIVE 5
++#define LINK_UP_8101_POSITIVE 6
++#define WAIT_8101_LINK_UP_POSITIVE 7
++
++#define PHY_STATE_LAST (WAIT_8101_LINK_UP_POSITIVE+1)
++
++/* time setting */
++#define WAIT_BYPASS_LINK_UP_POSITIVE_TIMEOUT 5000 /* 5000 ms */
++#define WAIT_BYPASS_LINK_UP_NEGATIVE_TIMEOUT 5000 /* 5000 ms */
++#define LINK_DOWN_ABILITY_DETECT_TIMEOUT 5000 /* 5000 ms */
++#define DETECT_8101_PERIOD 7000 /* 7000 ms */
++#define WAIT_8101_LINK_UP_TIMEOUT 3000 /* 3000 ms */
++
++#define MAX_PHY_PORT 1
++#define DEFAULT_AGC_TRAIN 16
++#define MAX_AGC_TRAIN 16 /* train 16 times */
++static int agc_train_num = DEFAULT_AGC_TRAIN;
++u32 port_displaybuf[NUM_PHY][MAX_AGC_TRAIN + 1] = {
++ {0}
++};
++
++static int cuv[3][3] = {
++ {1, 1, 4},
++ {1, 1, 0},
++ {1, 1, -4}
++};
++
++static u32 link_status_old;
++
++struct eth3220_phy {
++ u16 state;
++ u16 linkdown_cnt;
++ u32 state_time;
++ u32 timer;
++};
++
++#define DEBUG_PHY_STATE_TRANSITION 1
++#if DEBUG_PHY_STATE_TRANSITION
++/*
++ * show state transition of debug phy port.
++ * -1 for all ports
++ * -2 for disable all ports
++ * 0 - 4 for each port
++ */
++static int debug_phy_port = -2;
++static char *phystate_name[] = {
++ "init", /* PHY_STATE_INIT */
++ "ldp", /* LINK_DOWN_POSITIVE */
++ "wait_lup", /* WAIT_LINK_UP_POSITIVE */
++ "lup", /* LINK_UP_POSITIVE */
++ "wait_bp_lup", /* WAIT_BYPASS_LINK_UP_POSITIVE */
++ "bp_lup", /* BYPASS_AND_LINK_UP_POSITIVE */
++ "8101_lup", /* LINK_UP_8101_POSITIVE */
++ "wait_8101_lup", /* WAIT_8101_LINK_UP_POSITIVE */
++ "err",
++};
++#endif /* DEBUG_PHY_STATE_TRANSITION */
++
++static struct eth3220_phy phy[5] = {
++ {PHY_STATE_INIT, 0, 0, 0},
++ {PHY_STATE_INIT, 0, 0, 0},
++ {PHY_STATE_INIT, 0, 0, 0},
++ {PHY_STATE_INIT, 0, 0, 0},
++ {PHY_STATE_INIT, 0, 0, 0}
++};
++
++static u16 long_cable_global_reg[32] = {
++ 0x0000, 0x19a0, 0x1d00, 0x0e80,
++ 0x0f60, 0x07c0, 0x07e0, 0x03e0,
++ 0x0000, 0x0000, 0x0000, 0x2000,
++ 0x8250, 0x1700, 0x0000, 0x0000,
++ 0x0000, 0x0000, 0x0000, 0x0000,
++ 0x0000, 0x204b, 0x01c2, 0x0000,
++ 0x0000, 0x0000, 0x0fff, 0x4100,
++ 0x9319, 0x0021, 0x0034, 0x270a | FE_PHY_LED_MODE
++};
++
++static u16 long_cable_local_reg[32] = {
++ 0x3100, 0x786d, 0x01c1, 0xca51,
++ 0x05e1, 0x45e1, 0x0003, 0x001c,
++ 0x2000, 0x9828, 0xf3c4, 0x400c,
++ 0xf8ff, 0x6940, 0xb906, 0x503c,
++ 0x8000, 0x297a, 0x1010, 0x5010,
++ 0x6ae1, 0x7c73, 0x783c, 0xfbdf,
++ 0x2080, 0x3244, 0x1301, 0x1a80,
++ 0x8e8f, 0x8000, 0x9c29, 0xa70a | FE_PHY_LED_MODE
++};
++
++/*=============================================================*
++ * eth3220ac_rt8101_phy_setting
++ *=============================================================*/
++static void eth3220ac_rt8101_phy_setting(struct cns21xx_gec *gec, int port)
++{
++ cns21xx_gec_write_phy(gec, port, 12, 0x18ff);
++ cns21xx_gec_write_phy(gec, port, 18, 0x6400);
++}
++
++static void eth3220ac_release_bpf(struct cns21xx_gec *gec, int port)
++{
++ cns21xx_gec_write_phy(gec, port, 18, 0x6210);
++}
++
++static void eth3220ac_def_bpf(struct cns21xx_gec *gec, int port)
++{
++ cns21xx_gec_write_phy(gec, port, 18, 0x6bff);
++}
++
++static void eth3220ac_def_linkdown_setting(struct cns21xx_gec *gec, int port)
++{
++ cns21xx_gec_write_phy(gec, port, 13, 0xe901);
++ cns21xx_gec_write_phy(gec, port, 14, 0xa3c6);
++}
++
++static void eth3220ac_def_linkup_setting(struct cns21xx_gec *gec, int port)
++{
++ cns21xx_gec_write_phy(gec, port, 13, 0x6901);
++ cns21xx_gec_write_phy(gec, port, 14, 0xa286);
++}
++
++/*=============================================================*
++ * eth3220ac_link_agc:
++ *=============================================================*/
++static int eth3220ac_link_agc(struct cns21xx_gec *gec, int port, int speed)
++{
++ u16 reg;
++ u32 agc_data = 0;
++ u32 short_cable;
++ int i, jj;
++
++ /* if speed = 100MHz, then continue */
++ if (speed == 0)
++ return 0;
++
++ short_cable = 0;
++ jj = 0;
++ for (i = 0; i < agc_train_num; i++) {
++ cns21xx_gec_read_phy(gec, port, 15, ®);
++ reg &= 0x7f;
++ if (reg <= 0x12) {
++ short_cable = 1;
++ jj++;
++ agc_data += (u32)reg;
++ }
++ }
++
++ if (short_cable)
++ agc_data = (agc_data / jj) + 4;
++ else
++ agc_data = (cuv[2][0] * agc_data) / cuv[2][1] /
++ agc_train_num - 4;
++
++ /* Fix AGC */
++ agc_data = 0xd0 | (agc_data << 9);
++ cns21xx_gec_write_phy(gec, port, 15, agc_data);
++ udelay(1000);
++ cns21xx_gec_read_phy(gec, port, 15, ®);
++ reg &= ~(0x1 << 7);
++ cns21xx_gec_write_phy(gec, port, 15, reg);
++
++ return 0;
++}
++
++/*=============================================================*
++ * eth3220ac_unlink_agc:
++ *=============================================================*/
++static void eth3220ac_unlink_agc(struct cns21xx_gec *gec, int port)
++{
++ /* start AGC adaptive */
++ cns21xx_gec_write_phy(gec, port, 15, 0xa050);
++}
++
++/*=============================================================*
++ * eth3220ac_rt8100_check
++ *=============================================================*/
++static int eth3220ac_rt8100_check(struct cns21xx_gec *gec, int port)
++{
++ u16 reg, reg2;
++
++ /* Read reg27 (error register) */
++ cns21xx_gec_read_phy(gec, port, 27, ®);
++ /* if error exists, set Bypass Filter enable */
++ if ((reg & 0xfffc)) {
++ cns21xx_gec_read_phy(gec, port, 15, ®);
++ cns21xx_gec_read_phy(gec, port, 27, ®2);
++ if ((reg2 & 0xfffc) && (((reg >> 9) & 0xff) < 0x1c)) {
++ dev_err(&gec->netdev->dev, "8100 pos err\n");
++
++ /* Bypass agcgain disable */
++ cns21xx_gec_write_phy(gec, port, 15, (reg & (~(0x1 << 7))));
++
++ /* repeat counts when reaching threshold error */
++ cns21xx_gec_write_phy(gec, port, 13, 0x4940);
++
++ /*
++ * Speed up AN speed and compensate threshold
++ * phase error
++ */
++ cns21xx_gec_write_phy(gec, port, 14, 0xa306);
++
++ /* Bypass Filter enable */
++ cns21xx_gec_read_phy(gec, port, 18, ®2);
++
++ cns21xx_gec_write_phy(gec, port, 18, (reg | 0x400));
++
++ /* restart AN */
++ cns21xx_gec_write_phy(gec, port, 0, 0x3300);
++ return 1;
++ }
++ }
++ return 0;
++}
++
++
++/*=============================================================*
++ * eth3220ac_rt8100_linkdown
++ *=============================================================*/
++static void eth3220ac_rt8100_linkdown(struct cns21xx_gec *gec, int port)
++{
++ u16 reg;
++
++ /* Bypass Filter disable */
++ cns21xx_gec_read_phy(gec, port, 18, ®);
++ cns21xx_gec_write_phy(gec, port, 18, (reg & (~(0x1 << 10))));
++ eth3220ac_def_linkdown_setting(gec, port);
++}
++
++static void eth3220ac_normal_phy_setting(struct cns21xx_gec *gec, int port)
++{
++ cns21xx_gec_write_phy(gec, port, 12, 0xd8ff);
++ eth3220ac_def_bpf(gec, port);
++}
++
++/*=============================================================*
++ * wp3220ac_phystate
++ *=============================================================*/
++static void wp3220ac_phystate(struct cns21xx_gec *gec, int port, int link, int speed)
++{
++ int next_state;
++ u16 reg, reg2;
++
++ phy[port].timer += ETH3220_PHY_MON_PERIOD;
++
++ if (link) {
++ /* Link up state */
++ switch (phy[port].state) {
++ case LINK_UP_POSITIVE:
++ next_state = eth3220ac_rt8100_check(gec, port) ?
++ WAIT_BYPASS_LINK_UP_POSITIVE :
++ LINK_UP_POSITIVE;
++ break;
++
++ case PHY_STATE_INIT:
++ case WAIT_LINK_UP_POSITIVE:
++ case LINK_DOWN_POSITIVE:
++ next_state = LINK_UP_POSITIVE;
++ eth3220ac_def_linkup_setting(gec, port);
++ eth3220ac_link_agc(gec, port, speed);
++ eth3220ac_release_bpf(gec, port);
++ break;
++
++ case WAIT_BYPASS_LINK_UP_POSITIVE:
++ case BYPASS_AND_LINK_UP_POSITIVE:
++ next_state = BYPASS_AND_LINK_UP_POSITIVE;
++ break;
++
++ case WAIT_8101_LINK_UP_POSITIVE:
++ next_state = LINK_UP_8101_POSITIVE;
++ eth3220ac_link_agc(gec, port, speed);
++ cns21xx_gec_write_phy(gec, port, 12, 0x98ff);
++ break;
++
++ case LINK_UP_8101_POSITIVE:
++ next_state = LINK_UP_8101_POSITIVE;
++ break;
++
++ default:
++ next_state = LINK_UP_POSITIVE;
++ eth3220ac_def_linkup_setting(gec, port);
++ eth3220ac_link_agc(gec, port, speed);
++ }
++ } else {
++ /* Link down state */
++ switch (phy[port].state) {
++ case LINK_DOWN_POSITIVE:
++ cns21xx_gec_read_phy(gec, port, 5, ®);
++ cns21xx_gec_read_phy(gec, port, 28, ®2);
++
++ /* AN Link Partner Ability Register or NLP */
++ if (reg || (reg2 & 0x100))
++ next_state = WAIT_LINK_UP_POSITIVE;
++ else
++ next_state = LINK_DOWN_POSITIVE;
++ break;
++
++ case WAIT_LINK_UP_POSITIVE:
++ if (phy[port].state_time >
++ LINK_DOWN_ABILITY_DETECT_TIMEOUT)
++ next_state = LINK_DOWN_POSITIVE;
++ else
++ next_state = WAIT_LINK_UP_POSITIVE;
++ break;
++
++ case WAIT_BYPASS_LINK_UP_POSITIVE:
++ /* set timeout = 5 sec */
++ if (phy[port].state_time >
++ WAIT_BYPASS_LINK_UP_POSITIVE_TIMEOUT) {
++ next_state = LINK_DOWN_POSITIVE;
++
++ /* Bypass Filter disable */
++ eth3220ac_rt8100_linkdown(gec, port);
++ eth3220ac_def_bpf(gec, port);
++ } else {
++ next_state = WAIT_BYPASS_LINK_UP_POSITIVE;
++ }
++ break;
++
++ case BYPASS_AND_LINK_UP_POSITIVE:
++ next_state = LINK_DOWN_POSITIVE;
++ eth3220ac_rt8100_linkdown(gec, port);
++ eth3220ac_def_bpf(gec, port);
++ break;
++
++ case WAIT_8101_LINK_UP_POSITIVE:
++ if (phy[port].state_time > WAIT_8101_LINK_UP_TIMEOUT) {
++ next_state = LINK_DOWN_POSITIVE;
++ eth3220ac_normal_phy_setting(gec, port);
++ eth3220ac_def_linkdown_setting(gec, port);
++ } else {
++ next_state = WAIT_8101_LINK_UP_POSITIVE;
++ }
++ break;
++
++ case LINK_UP_POSITIVE:
++ eth3220ac_unlink_agc(gec, port);
++ eth3220ac_def_linkdown_setting(gec, port);
++ eth3220ac_def_bpf(gec, port);
++ if (phy[port].timer > DETECT_8101_PERIOD) {
++ next_state = LINK_DOWN_POSITIVE;
++ phy[port].timer = 0;
++ phy[port].linkdown_cnt = 1;
++ } else {
++ if (++phy[port].linkdown_cnt > 2) {
++ next_state = WAIT_8101_LINK_UP_POSITIVE;
++ eth3220ac_rt8101_phy_setting(gec, port);
++ } else {
++ next_state = LINK_DOWN_POSITIVE;
++ }
++ }
++ break;
++
++ case LINK_UP_8101_POSITIVE:
++ eth3220ac_normal_phy_setting(gec, port);
++ /* fall down to phy normal state */
++ case PHY_STATE_INIT:
++ eth3220ac_def_linkdown_setting(gec, port);
++ eth3220ac_unlink_agc(gec, port);
++ default:
++ next_state = LINK_DOWN_POSITIVE;
++ }
++ }
++
++ if (phy[port].state != next_state) {
++ phy[port].state_time = 0;
++#if DEBUG_PHY_STATE_TRANSITION
++ if (debug_phy_port == -1 || port == debug_phy_port) {
++ if ((phy[port].state < PHY_STATE_LAST) &&
++ (next_state < PHY_STATE_LAST))
++ dev_dbg(&gec->netdev->dev,
++ "p%d: %s->%s, %d, %d\n",
++ port, phystate_name[phy[port].state],
++ phystate_name[next_state],
++ phy[port].timer,
++ phy[port].linkdown_cnt);
++ else
++ dev_dbg(&gec->netdev->dev,
++ "p%d: %d->%d\n",
++ port, phy[port].state, next_state);
++ }
++#endif /* DEBUG_PHY_STATE_TRANSITION */
++ } else {
++ phy[port].state_time += ETH3220_PHY_MON_PERIOD;
++ }
++ phy[port].state = next_state;
++}
++
++/*=============================================================*
++ * eth3220_phyinit:
++ *=============================================================*/
++static void eth3220ac_10m_agc(struct cns21xx_gec *gec)
++{
++ /* Force 10M AGC = 2c globally */
++ cns21xx_gec_write_phy(gec, 0, 31, 0x2f1a);
++ cns21xx_gec_write_phy(gec, 0, 12, 0x112c);
++ cns21xx_gec_write_phy(gec, 0, 13, 0x2e21);
++ cns21xx_gec_write_phy(gec, 0, 31, 0xaf1a);
++}
++
++static void eth3220ac_dfe_init(struct cns21xx_gec *gec)
++{
++ int i;
++
++ cns21xx_gec_write_phy(gec, 0, 31, 0x2f1a);
++ for (i = 0; i <= 7; i++)
++ cns21xx_gec_write_phy(gec, 0, i, 0);
++ cns21xx_gec_write_phy(gec, 0, 11, 0x0b50);
++ cns21xx_gec_write_phy(gec, 0, 31, 0xaf1a);
++}
++
++static void eth3220ac_phy_cdr_training_init(struct cns21xx_gec *gec)
++{
++ int i;
++
++ /* Force all port in 10M FD mode */
++ for (i = 0; i < NUM_PHY; i++)
++ cns21xx_gec_write_phy(gec, i, 0, 0x100);
++
++ /* Global setting */
++ cns21xx_gec_write_phy(gec, 0, 31, 0x2f1a);
++ cns21xx_gec_write_phy(gec, 0, 29, 0x5021);
++ udelay(2000); /* 2ms, wait > 1 ms */
++ cns21xx_gec_write_phy(gec, 0, 29, 0x4021);
++ udelay(2000); /* 2ms, wait > 1 ms */
++ cns21xx_gec_write_phy(gec, 0, 31, 0xaf1a);
++
++ /* Enable phy AN */
++ for (i = 0; i < NUM_PHY; i++)
++ cns21xx_gec_write_phy(gec, i, 0, 0x3100);
++}
++
++static void eth3220_phyinit(struct cns21xx_gec *gec)
++{
++ eth3220ac_10m_agc(gec);
++ eth3220ac_dfe_init(gec);
++ eth3220ac_phy_cdr_training_init(gec);
++}
++
++static void eth3220_phycfg(struct cns21xx_gec *gec, int phyaddr)
++{
++ eth3220ac_def_linkdown_setting(gec, phyaddr);
++ eth3220ac_normal_phy_setting(gec, phyaddr);
++ cns21xx_gec_write_phy(gec, phyaddr, 9, 0x7f);
++}
++
++static void internal_phy_patch_check(struct cns21xx_gec *gec, int init)
++{
++ u32 short_cable_agc_detect_count;
++ u32 link_status = 0, link_speed;
++ u32 phy_addr = gec->phy_addr;
++ u16 phy_data;
++ u16 phy_data2;
++ int i;
++
++ cns21xx_gec_read_phy(gec, phy_addr, 1, &phy_data);
++ udelay(100);
++ cns21xx_gec_read_phy(gec, phy_addr, 1, &phy_data2);
++ if (((phy_data & 0x0004) != 0x0004) &&
++ ((phy_data2 & 0x0004) != 0x0004)) {
++ /* link down */
++ short_cable_agc_detect_count = 0;
++ for (i = 0; i < INTERNAL_PHY_PATCH_CHECKCNT; i++) {
++ cns21xx_gec_read_phy(gec, phy_addr, 15, &phy_data);
++ udelay(1000);
++ if ((phy_data & 0x7F) <= 0x12) {
++ /* short cable */
++ short_cable_agc_detect_count++;
++ break;
++ }
++ }
++ if (short_cable_agc_detect_count) {
++ u32 mac_cfg;
++
++ /* short cable */
++ phy_statemachine = wp3220ac_phystate;
++ eth3220_phyinit(gec);
++ cns21xx_gec_read_phy(gec, phy_addr, 1, &phy_data);
++ if (phy_data & 0x0040)
++ link_status = 1;
++
++ mac_cfg = cns21xx_gec_rr(gec, GEC_REG_MAC_CFG);
++ if ((mac_cfg & 0xC) == 0x4) /* 100Mbps */
++ link_speed = 1;
++ else
++ link_speed = 0;
++
++ link_status_old = link_status;
++ for (i = 0; i < MAX_PHY_PORT; link_status >>= 1, i++)
++ eth3220_phycfg(gec, i);
++ } else {
++ /* long cable */
++ /* set to global domain */
++ cns21xx_gec_write_phy(gec, phy_addr, 31,
++ 0x2f1a);
++ for (i = 0; i < 32; i++)
++ cns21xx_gec_write_phy(gec, phy_addr, i,
++ long_cable_global_reg[i]);
++
++ /* set to local domain */
++ cns21xx_gec_write_phy(gec, phy_addr, 31,
++ 0xaf1a);
++ for (i = 0; i < 32; i++)
++ cns21xx_gec_write_phy(gec, phy_addr, i,
++ long_cable_local_reg[i]);
++ }
++ }
++}
++
++static void internal_phy_timer_func(unsigned long data)
++{
++ struct cns21xx_gec *gec = (struct cns21xx_gec *) data;
++
++ internal_phy_patch_check(gec, 0);
++ mod_timer(&gec->internal_phy_timer,
++ jiffies + INTERNAL_PHY_PATCH_CHECK_PERIOD / 10);
++}
++
++static void internal_phy_init_timer(struct cns21xx_gec *gec)
++{
++ init_timer(&gec->internal_phy_timer);
++ gec->internal_phy_timer.function = internal_phy_timer_func;
++ gec->internal_phy_timer.data = (unsigned long) gec;
++}
++
++static void internal_phy_start_timer(struct cns21xx_gec *gec)
++{
++ dev_dbg(&gec->netdev->dev, "starting patch check.\n");
++
++ internal_phy_patch_check(gec, 1);
++ mod_timer(&gec->internal_phy_timer,
++ jiffies + INTERNAL_PHY_PATCH_CHECK_PERIOD / 10);
++}
++
++static void internal_phy_stop_timer(struct cns21xx_gec *gec)
++{
++ dev_dbg(&gec->netdev->dev, "stopping patch check.\n");
++
++ del_timer_sync(&gec->internal_phy_timer);
++}
+--- /dev/null
++++ b/drivers/net/ethernet/cns21xx/Kconfig
+@@ -0,0 +1,7 @@
++config CNS21XX_GEC
++ tristate "CNS21XX Gigabit Ethernet Controller support"
++ depends on ARCH_CNS21XX
++ help
++ If you wish to compile a kernel for Cavium Networks CNS21XX
++ with ethernet support, then you should always answer Y to this.
++
+--- /dev/null
++++ b/drivers/net/ethernet/cns21xx/Makefile
+@@ -0,0 +1,7 @@
++#
++# Makefile for the Cavium Networks CNS21XX ethernet driver
++#
++
++cns21xx_gec-y += cns21xx_gec_main.o
++
++obj-$(CONFIG_CNS21XX_GEC) += cns21xx_gec.o
+--- a/drivers/net/ethernet/Kconfig
++++ b/drivers/net/ethernet/Kconfig
+@@ -32,6 +32,7 @@ source "drivers/net/ethernet/calxeda/Kco
+ source "drivers/net/ethernet/chelsio/Kconfig"
+ source "drivers/net/ethernet/cirrus/Kconfig"
+ source "drivers/net/ethernet/cisco/Kconfig"
++source "drivers/net/ethernet/cns21xx/Kconfig"
+ source "drivers/net/ethernet/davicom/Kconfig"
+
+ config DNET
+--- a/drivers/net/ethernet/Makefile
++++ b/drivers/net/ethernet/Makefile
+@@ -18,6 +18,7 @@ obj-$(CONFIG_NET_CALXEDA_XGMAC) += calxe
+ obj-$(CONFIG_NET_VENDOR_CHELSIO) += chelsio/
+ obj-$(CONFIG_NET_VENDOR_CIRRUS) += cirrus/
+ obj-$(CONFIG_NET_VENDOR_CISCO) += cisco/
++obj-$(CONFIG_CNS21XX_GEC) += cns21xx/
+ obj-$(CONFIG_DM9000) += davicom/
+ obj-$(CONFIG_DNET) += dnet.o
+ obj-$(CONFIG_NET_VENDOR_DEC) += dec/
--- /dev/null
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/dev-usb.c
+@@ -0,0 +1,71 @@
++/*
++ * Copyright (c) 2008 Cavium Networks
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/irq.h>
++#include <linux/dma-mapping.h>
++#include <linux/platform_device.h>
++
++#include <mach/cns21xx.h>
++
++static u64 cns21xx_usb_dmamask = DMA_BIT_MASK(32);
++
++static struct resource cns21xx_ohci_resources[] = {
++ [0] = {
++ .start = CNS21XX_OHCI_CTRL_BASE,
++ .end = CNS21XX_OHCI_CTRL_BASE + SZ_1M - 1,
++ .flags = IORESOURCE_MEM,
++ },
++ [1] = {
++ .start = CNS21XX_IRQ_OHCI,
++ .end = CNS21XX_IRQ_OHCI,
++ .flags = IORESOURCE_IRQ,
++ },
++};
++
++static struct platform_device cns21xx_ohci_device = {
++ .name = "cns21xx-ohci",
++ .id = -1,
++ .dev = {
++ .dma_mask = &cns21xx_usb_dmamask,
++ .coherent_dma_mask = DMA_BIT_MASK(32),
++ },
++ .resource = cns21xx_ohci_resources,
++ .num_resources = ARRAY_SIZE(cns21xx_ohci_resources),
++};
++
++static struct resource cns21xx_ehci_resources[] = {
++ [0] = {
++ .start = CNS21XX_EHCI_CTRL_BASE,
++ .end = CNS21XX_EHCI_CTRL_BASE + SZ_1M - 1,
++ .flags = IORESOURCE_MEM,
++ },
++ [1] = {
++ .start = CNS21XX_IRQ_EHCI,
++ .end = CNS21XX_IRQ_EHCI,
++ .flags = IORESOURCE_IRQ,
++ },
++};
++
++static struct platform_device cns21xx_ehci_device = {
++ .name = "cns21xx-ehci",
++ .id = -1,
++ .dev = {
++ .dma_mask = &cns21xx_usb_dmamask,
++ .coherent_dma_mask = DMA_BIT_MASK(32),
++ },
++ .resource = cns21xx_ehci_resources,
++ .num_resources = ARRAY_SIZE(cns21xx_ehci_resources),
++};
++
++void __init cns21xx_register_usb(void)
++{
++ platform_device_register(&cns21xx_ehci_device);
++ platform_device_register(&cns21xx_ohci_device);
++}
+--- a/arch/arm/mach-cns21xx/Kconfig
++++ b/arch/arm/mach-cns21xx/Kconfig
+@@ -3,4 +3,7 @@ if ARCH_CNS21XX
+ menu "Cavium Networks CNS21xx based machines"
+ endmenu
+
++config CNS21XX_DEV_USB
++ def_bool n
++
+ endif
+--- a/arch/arm/mach-cns21xx/Makefile
++++ b/arch/arm/mach-cns21xx/Makefile
+@@ -6,5 +6,8 @@
+
+ obj-y := core.o irq.o gpio.o mm.o time.o idle.o devices.o
+
++# devices
++obj-$(CONFIG_CNS21XX_DEV_USB) += dev-usb.o
++
+ # machine specific files
+
+--- a/arch/arm/mach-cns21xx/common.h
++++ b/arch/arm/mach-cns21xx/common.h
+@@ -20,5 +20,6 @@ extern struct sys_timer cns21xx_timer;
+
+ int cns21xx_register_uart0(void);
+ int cns21xx_register_uart1(void);
++int cns21xx_register_usb(void);
+
+ #endif /* _MACH_CNS21XX_COMMON_H */
--- /dev/null
+--- a/arch/arm/mach-cns21xx/common.h
++++ b/arch/arm/mach-cns21xx/common.h
+@@ -21,5 +21,6 @@ extern struct sys_timer cns21xx_timer;
+ int cns21xx_register_uart0(void);
+ int cns21xx_register_uart1(void);
+ int cns21xx_register_usb(void);
++int cns21xx_register_wdt(void);
+
+ #endif /* _MACH_CNS21XX_COMMON_H */
+--- a/arch/arm/mach-cns21xx/devices.c
++++ b/arch/arm/mach-cns21xx/devices.c
+@@ -11,6 +11,7 @@
+ #include <linux/init.h>
+ #include <linux/platform_device.h>
+ #include <linux/serial_8250.h>
++#include <linux/fa_wdt.h>
+
+ #include <mach/irqs.h>
+ #include <mach/hardware.h>
+@@ -77,3 +78,32 @@ int __init cns21xx_register_uart1(void)
+ HAL_MISC_ENABLE_UART1_PINS();
+ return platform_device_register(&cns21xx_uart1_device);
+ }
++
++static struct resource cns21xx_wdt_resources[] = {
++ {
++ .start = CNS21XX_WDT_BASE,
++ .end = CNS21XX_WDT_BASE + SZ_4K - 1,
++ .flags = IORESOURCE_MEM,
++ },
++};
++
++#define CNS21XX_WDT_CLOCK 10 /* 10 Hz */
++
++static struct fa_wdt_platform_data cns21xx_wdt_data = {
++ .clock = CNS21XX_WDT_CLOCK,
++};
++
++static struct platform_device cns21xx_wdt_device = {
++ .name = "fa-wdt",
++ .id = -1,
++ .resource = cns21xx_wdt_resources,
++ .num_resources = ARRAY_SIZE(cns21xx_wdt_resources),
++ .dev = {
++ .platform_data = &cns21xx_wdt_data,
++ },
++};
++
++int __init cns21xx_register_wdt(void)
++{
++ return platform_device_register(&cns21xx_wdt_device);
++}
+--- a/drivers/watchdog/Kconfig
++++ b/drivers/watchdog/Kconfig
+@@ -393,7 +393,7 @@ config RETU_WATCHDOG
+
+ config FA_WATCHDOG
+ tristate "Faraday watchdog"
+- depends on ARCH_GEMINI
++ depends on ARCH_GEMINI || ARCH_CNS21XX
+ help
+ Say Y here if you want support for the built-in watchdog timer
+ found in some Faraday FA526 based SoCs.
--- /dev/null
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/dev-spi-master.c
+@@ -0,0 +1,83 @@
++/*
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/spi/spi.h>
++#include <linux/dma-mapping.h>
++#include <linux/platform_device.h>
++
++#include <mach/hardware.h>
++#include <mach/cns21xx.h>
++#include <mach/cns21xx_misc.h>
++#include <mach/cns21xx_powermgmt.h>
++#include <mach/irqs.h>
++
++#include "common.h"
++
++static u64 spi_dmamask = DMA_BIT_MASK(32);
++static struct resource cns21xx_spi_resources[] = {
++ [0] = {
++ .start = CNS21XX_SPI_BASE,
++ .end = CNS21XX_SPI_BASE + SZ_4K - 1,
++ .flags = IORESOURCE_MEM,
++ },
++ [1] = {
++ .start = CNS21XX_IRQ_SPI,
++ .end = CNS21XX_IRQ_SPI,
++ .flags = IORESOURCE_IRQ,
++ },
++};
++
++static struct platform_device cns21xx_spi_master_device = {
++ .name = "cns21xx-spi",
++ .id = -1,
++ .dev = {
++ .dma_mask = &spi_dmamask,
++ .coherent_dma_mask = DMA_BIT_MASK(32),
++ },
++ .resource = cns21xx_spi_resources,
++ .num_resources = ARRAY_SIZE(cns21xx_spi_resources),
++};
++
++void __init cns21xx_register_spi_master(int id, struct spi_board_info *info,
++ unsigned int n)
++{
++ unsigned int i;
++
++ /* Enable SPI pins */
++ HAL_MISC_ENABLE_SPIDR_PINS();
++ HAL_MISC_ENABLE_SPICLK_PINS();
++ for (i = 0; i < n; i++) {
++ switch (info[i].chip_select) {
++ case 0:
++ HAL_MISC_ENABLE_SPICSN0_PINS();
++ break;
++ case 1:
++ HAL_MISC_ENABLE_SPICSN1_PINS();
++ break;
++ case 2:
++ HAL_MISC_ENABLE_SPICSN2_PINS();
++ break;
++ case 3:
++ HAL_MISC_ENABLE_SPICSN3_PINS();
++ break;
++ }
++ }
++
++ /* Disable SPI serial flash access through 0x30000000 region */
++ HAL_MISC_DISABLE_SPI_SERIAL_FLASH_BANK_ACCESS();
++
++ /* Enable SPI clock */
++ HAL_PWRMGT_ENABLE_SPI_CLOCK();
++
++ cns21xx_spi_master_device.id = id;
++
++ spi_register_board_info(info, n);
++ platform_device_register(&cns21xx_spi_master_device);
++}
+--- a/arch/arm/mach-cns21xx/Kconfig
++++ b/arch/arm/mach-cns21xx/Kconfig
+@@ -6,4 +6,7 @@ endmenu
+ config CNS21XX_DEV_USB
+ def_bool n
+
++config CNS21XX_DEV_SPI_MASTER
++ def_bool n
++
+ endif
+--- a/arch/arm/mach-cns21xx/Makefile
++++ b/arch/arm/mach-cns21xx/Makefile
+@@ -8,6 +8,7 @@ obj-y := core.o irq.o gpio.o mm.o time.
+
+ # devices
+ obj-$(CONFIG_CNS21XX_DEV_USB) += dev-usb.o
++obj-$(CONFIG_CNS21XX_DEV_SPI_MASTER) += dev-spi-master.o
+
+ # machine specific files
+
+--- a/arch/arm/mach-cns21xx/common.h
++++ b/arch/arm/mach-cns21xx/common.h
+@@ -23,4 +23,8 @@ int cns21xx_register_uart1(void);
+ int cns21xx_register_usb(void);
+ int cns21xx_register_wdt(void);
+
++struct spi_board_info;
++void __init cns21xx_register_spi_master(int id, struct spi_board_info *info,
++ unsigned int n);
++
+ #endif /* _MACH_CNS21XX_COMMON_H */
--- /dev/null
+--- a/arch/arm/mach-cns21xx/Kconfig
++++ b/arch/arm/mach-cns21xx/Kconfig
+@@ -3,6 +3,9 @@ if ARCH_CNS21XX
+ menu "Cavium Networks CNS21xx based machines"
+ endmenu
+
++config CNS21XX_DEV_GEC
++ def_bool n
++
+ config CNS21XX_DEV_USB
+ def_bool n
+
+--- a/arch/arm/mach-cns21xx/Makefile
++++ b/arch/arm/mach-cns21xx/Makefile
+@@ -7,6 +7,7 @@
+ obj-y := core.o irq.o gpio.o mm.o time.o idle.o devices.o
+
+ # devices
++obj-$(CONFIG_CNS21XX_DEV_GEC) += dev-gec.o
+ obj-$(CONFIG_CNS21XX_DEV_USB) += dev-usb.o
+ obj-$(CONFIG_CNS21XX_DEV_SPI_MASTER) += dev-spi-master.o
+
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/dev-gec.c
+@@ -0,0 +1,98 @@
++/*
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/init.h>
++#include <linux/dma-mapping.h>
++#include <linux/platform_device.h>
++#include <linux/etherdevice.h>
++
++#include <asm/sizes.h>
++#include <mach/cns21xx.h>
++#include <mach/irqs.h>
++
++#include "dev-gec.h"
++
++static u8 cns21xx_ethaddr[ETH_ALEN];
++struct cns21xx_gec_plat_data cns21xx_gec_data;
++
++static struct resource cns21xx_gec_resources[] = {
++ {
++ .start = CNS21XX_NIC_BASE,
++ .end = CNS21XX_NIC_BASE + SZ_4K - 1,
++ .flags = IORESOURCE_MEM,
++ }, {
++ .name = CNS21XX_GEC_STATUS_IRQ_NAME,
++ .start = CNS21XX_IRQ_NIC_STATUS,
++ .end = CNS21XX_IRQ_NIC_STATUS,
++ .flags = IORESOURCE_IRQ,
++ }, {
++ .name = CNS21XX_GEC_RXRC_IRQ_NAME,
++ .start = CNS21XX_IRQ_NIC_RXRC,
++ .end = CNS21XX_IRQ_NIC_RXRC,
++ .flags = IORESOURCE_IRQ,
++ }, {
++ .name = CNS21XX_GEC_RXQF_IRQ_NAME,
++ .start = CNS21XX_IRQ_NIC_RXQF,
++ .end = CNS21XX_IRQ_NIC_RXQF,
++ .flags = IORESOURCE_IRQ,
++ }, {
++ .name = CNS21XX_GEC_TXTC_IRQ_NAME,
++ .start = CNS21XX_IRQ_NIC_TXTC,
++ .end = CNS21XX_IRQ_NIC_TXTC,
++ .flags = IORESOURCE_IRQ,
++ }, {
++ .name = CNS21XX_GEC_TXQE_IRQ_NAME,
++ .start = CNS21XX_IRQ_NIC_TXQE,
++ .end = CNS21XX_IRQ_NIC_TXQE,
++ .flags = IORESOURCE_IRQ,
++ }
++};
++
++static u64 cns21xx_gec_dmamask = DMA_BIT_MASK(32);
++static struct platform_device cns21xx_gec_device = {
++ .name = "cns21xx-gec",
++ .id = -1,
++ .resource = cns21xx_gec_resources,
++ .num_resources = ARRAY_SIZE(cns21xx_gec_resources),
++ .dev = {
++ .dma_mask = &cns21xx_gec_dmamask,
++ .coherent_dma_mask = DMA_BIT_MASK(32),
++ .platform_data = &cns21xx_gec_data,
++ },
++};
++
++static int __init cns21xx_ethaddr_setup(char *str)
++{
++ int t;
++
++ t = sscanf(str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
++ &cns21xx_ethaddr[0], &cns21xx_ethaddr[1],
++ &cns21xx_ethaddr[2], &cns21xx_ethaddr[3],
++ &cns21xx_ethaddr[4], &cns21xx_ethaddr[5]);
++
++ if (t != ETH_ALEN)
++ pr_err("cns21xx: failed to parse mac address \"%s\"\n", str);
++
++ return 1;
++}
++
++__setup("ethaddr=", cns21xx_ethaddr_setup);
++
++__init int cns21xx_register_gec(void)
++{
++ if (cns21xx_gec_data.mac_addr == NULL)
++ cns21xx_gec_data.mac_addr = cns21xx_ethaddr;
++
++ if (!is_valid_ether_addr(cns21xx_gec_data.mac_addr)) {
++ random_ether_addr(cns21xx_gec_data.mac_addr);
++ pr_debug("cns21xx: using random MAC address \"%s\"\n",
++ cns21xx_gec_data.mac_addr);
++ }
++
++ return platform_device_register(&cns21xx_gec_device);
++}
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/dev-gec.h
+@@ -0,0 +1,18 @@
++/*
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _CNS21XX_DEV_GEC_H
++#define _CNS21XX_DEV_GEC_H
++
++#include <mach/cns21xx_gec_platform.h>
++
++extern struct cns21xx_gec_plat_data cns21xx_gec_data;
++
++__init int cns21xx_register_gec(void);
++
++#endif /* _CNS21XX_DEV_GEC_H */
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/include/mach/cns21xx_gec_platform.h
+@@ -0,0 +1,31 @@
++/*
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef _CNS21XX_GEC_PLATFORM_H
++#define _CNS21XX_GEC_PLATFORM_H
++
++#define CNS21XX_GEC_STATUS_IRQ_NAME "status"
++#define CNS21XX_GEC_RXRC_IRQ_NAME "rxrc"
++#define CNS21XX_GEC_RXQF_IRQ_NAME "rxqf"
++#define CNS21XX_GEC_TXTC_IRQ_NAME "txtc"
++#define CNS21XX_GEC_TXQE_IRQ_NAME "txqe"
++
++enum cns21xx_gec_phy_type {
++ CNS21XX_GEC_PHY_TYPE_INTERNAL = 0,
++ CNS21XX_GEC_PHY_TYPE_VSC8601,
++ CNS21XX_GEC_PHY_TYPE_IP101A,
++ CNS21XX_GEC_PHY_TYPE_IP1001,
++};
++
++struct cns21xx_gec_plat_data {
++ u8 *mac_addr;
++ enum cns21xx_gec_phy_type phy_type;
++ u8 phy_addr;
++};
++
++#endif /* _CNS21XX_GEC_PLATFORM_H */
--- /dev/null
+--- a/arch/arm/mach-cns21xx/Kconfig
++++ b/arch/arm/mach-cns21xx/Kconfig
+@@ -1,6 +1,16 @@
+ if ARCH_CNS21XX
+
+ menu "Cavium Networks CNS21xx based machines"
++
++config MACH_NS_K330
++ bool "NS-K330 NAS"
++ select CNS21XX_DEV_GEC
++ select CNS21XX_DEV_SPI_MASTER
++ select CNS21XX_DEV_USB
++ help
++ Say Y here if you intend to run this kernel on the
++ NS-K330 NAS board.
++
+ endmenu
+
+ config CNS21XX_DEV_GEC
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/mach-ns-k330.c
+@@ -0,0 +1,204 @@
++/*
++ * NS-K330 NAS board support
++ *
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/map.h>
++#include <linux/mtd/partitions.h>
++#include <linux/spi/spi.h>
++#include <linux/spi/flash.h>
++#include <linux/platform_device.h>
++#include <linux/gpio.h>
++#include <linux/leds.h>
++#include <linux/gpio_keys.h>
++#include <linux/input.h>
++
++#include <asm/setup.h>
++#include <asm/mach-types.h>
++#include <asm/mach/arch.h>
++#include <asm/mach/time.h>
++#include <mach/hardware.h>
++#include <mach/cns21xx.h>
++#include <mach/cns21xx_misc.h>
++
++#include "common.h"
++#include "dev-gec.h"
++
++#define NS_K330_GPIO_LED_LINK 1
++#define NS_K330_GPIO_LED_USB1 16
++#define NS_K330_GPIO_LED_USB2 17
++#define NS_K330_GPIO_LED_ETH_GREEN 22
++#define NS_K330_GPIO_LED_ETH_ORANGE 23
++
++#define NS_K330_GPIO_BTN_RESET 13
++#define NS_K330_GPIO_BTN_USB1 14
++#define NS_K330_GPIO_BTN_USB2 15
++
++static struct mtd_partition ns_k330_partitions[] = {
++ {
++ .name = "boot",
++ .offset = 0x0,
++ .size = 0x040000,
++ .mask_flags = MTD_WRITEABLE,
++ }, {
++ .name = "config",
++ .offset = 0x040000,
++ .size = 0x020000,
++ .mask_flags = MTD_WRITEABLE,
++ }, {
++ .name = "kernel",
++ .offset = 0x060000,
++ .size = 0x100000,
++ }, {
++ .name = "rootfs",
++ .offset = 0x160000,
++ .size = 0x290000,
++ }, {
++ .name = "firmware",
++ .offset = 0x060000,
++ .size = 0x390000,
++ },
++};
++
++static struct flash_platform_data ns_k330_flash_data = {
++ .parts = ns_k330_partitions,
++ .nr_parts = ARRAY_SIZE(ns_k330_partitions),
++};
++
++static struct spi_board_info ns_k330_spi_board_info[] = {
++ {
++ .bus_num = 0,
++ .chip_select = 0,
++ .max_speed_hz = 25000000,
++ .modalias = "m25p80",
++ .platform_data = &ns_k330_flash_data,
++ }
++};
++
++static struct gpio_led ns_k330_gpio_leds[] = {
++ {
++ .name = "ns-k330:red:link",
++ .gpio = NS_K330_GPIO_LED_LINK,
++ .active_low = 1,
++ }, {
++ .name = "ns-k330:green:usb1",
++ .gpio = NS_K330_GPIO_LED_USB1,
++ .active_low = 1,
++ }, {
++ .name = "ns-k330:green:usb2",
++ .gpio = NS_K330_GPIO_LED_USB2,
++ .active_low = 1,
++ }, {
++ .name = "ns-k330:green:eth",
++ .gpio = NS_K330_GPIO_LED_ETH_GREEN,
++ .active_low = 1,
++ }, {
++ .name = "ns-k330:orange:eth",
++ .gpio = NS_K330_GPIO_LED_ETH_ORANGE,
++ .active_low = 1,
++ }
++};
++
++static struct gpio_led_platform_data ns_k330_gpio_leds_data = {
++ .num_leds = ARRAY_SIZE(ns_k330_gpio_leds),
++ .leds = ns_k330_gpio_leds,
++};
++
++static struct platform_device ns_k330_gpio_leds_device = {
++ .name = "leds-gpio",
++ .id = -1,
++ .dev.platform_data = &ns_k330_gpio_leds_data,
++};
++
++static struct gpio_keys_button ns_k330_gpio_keys[] = {
++ {
++ .code = KEY_RESTART,
++ .gpio = NS_K330_GPIO_BTN_RESET,
++ .desc = "Reset Button",
++ .active_low = 1,
++ },
++ {
++ .code = BTN_0,
++ .gpio = NS_K330_GPIO_BTN_USB1,
++ .desc = "USB1 Button",
++ .active_low = 1,
++ },
++ {
++ .code = BTN_1,
++ .gpio = NS_K330_GPIO_BTN_USB2,
++ .desc = "USB2 Button",
++ .active_low = 0,
++ },
++};
++
++static struct gpio_keys_platform_data ns_k330_gpio_keys_data = {
++ .buttons = ns_k330_gpio_keys,
++ .nbuttons = ARRAY_SIZE(ns_k330_gpio_keys),
++};
++
++static struct platform_device ns_k330_gpio_keys_device = {
++ .name = "gpio-keys",
++ .id = -1,
++ .num_resources = 0,
++ .dev = {
++ .platform_data = &ns_k330_gpio_keys_data,
++ },
++};
++
++static void __init ns_k330_fixup(struct tag *tags, char **cmdline,
++ struct meminfo *mi)
++{
++ struct tag *t;
++
++ /* The board has 32MB of RAM mapped at 0. */
++ mi->nr_banks = 1;
++ mi->bank[0].start = 0;
++ mi->bank[0].size = SZ_32M;
++
++ for (t = tags; t->hdr.size; t = tag_next(t)) {
++ switch (t->hdr.tag) {
++ case ATAG_CORE:
++ if (t->u.core.rootdev == 255)
++ t->u.core.rootdev = 0;
++ break;
++ }
++ }
++}
++
++static void __init ns_k330_init(void)
++{
++ cns21xx_gpio_init();
++
++ HAL_MISC_DISABLE_LED012_PINS();
++ HAL_MISC_DISABLE_I2C_PINS();
++ HAL_MISC_DISABLE_I2S_PINS();
++
++ cns21xx_register_uart0();
++ cns21xx_register_wdt();
++ cns21xx_register_usb();
++ cns21xx_register_spi_master(-1, ns_k330_spi_board_info,
++ ARRAY_SIZE(ns_k330_spi_board_info));
++
++ cns21xx_gec_data.phy_type = CNS21XX_GEC_PHY_TYPE_INTERNAL;
++ cns21xx_register_gec();
++
++ platform_device_register(&ns_k330_gpio_leds_device);
++ platform_device_register(&ns_k330_gpio_keys_device);
++}
++
++MACHINE_START(NS_K330, "NS-K330 NAS")
++ .fixup = ns_k330_fixup,
++ .map_io = cns21xx_map_io,
++ .init_irq = cns21xx_init_irq,
++ .init_time = cns21xx_timer_init,
++ .init_machine = ns_k330_init,
++ .restart = cns21xx_restart,
++MACHINE_END
+--- a/arch/arm/mach-cns21xx/Makefile
++++ b/arch/arm/mach-cns21xx/Makefile
+@@ -12,4 +12,4 @@ obj-$(CONFIG_CNS21XX_DEV_USB) += dev-us
+ obj-$(CONFIG_CNS21XX_DEV_SPI_MASTER) += dev-spi-master.o
+
+ # machine specific files
+-
++obj-$(CONFIG_MACH_NS_K330) += mach-ns-k330.o
--- /dev/null
+--- a/arch/arm/mach-cns21xx/Kconfig
++++ b/arch/arm/mach-cns21xx/Kconfig
+@@ -2,6 +2,15 @@ if ARCH_CNS21XX
+
+ menu "Cavium Networks CNS21xx based machines"
+
++config MACH_NSB3AST
++ bool "AGESTAR NSB3AST support"
++ select CNS21XX_DEV_GEC
++ select CNS21XX_DEV_SPI_MASTER
++ select CNS21XX_DEV_USB
++ help
++ Say Y here if you intend to run this kernel on the
++ AGESTAR NSB3AST board.
++
+ config MACH_NS_K330
+ bool "NS-K330 NAS"
+ select CNS21XX_DEV_GEC
+--- /dev/null
++++ b/arch/arm/mach-cns21xx/mach-nsb3ast.c
+@@ -0,0 +1,173 @@
++/*
++ * AGESTAR NSB3AST board support
++ *
++ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This file is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License, Version 2, as
++ * published by the Free Software Foundation.
++ */
++
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/map.h>
++#include <linux/mtd/partitions.h>
++#include <linux/spi/spi.h>
++#include <linux/spi/flash.h>
++#include <linux/platform_device.h>
++#include <linux/gpio.h>
++#include <linux/leds.h>
++#include <linux/gpio_keys.h>
++#include <linux/input.h>
++
++#include <asm/setup.h>
++#include <asm/mach-types.h>
++#include <asm/mach/arch.h>
++#include <asm/mach/time.h>
++#include <mach/hardware.h>
++#include <mach/cns21xx.h>
++#include <mach/cns21xx_misc.h>
++
++#include "common.h"
++#include "dev-gec.h"
++
++static struct mtd_partition nsb3ast_partitions[] = {
++ {
++ .name = "armboot",
++ .offset = 0x0,
++ .size = 0x040000,
++ .mask_flags = MTD_WRITEABLE,
++ }, {
++ .name = "kernel",
++ .offset = 0x040000,
++ .size = 0x100000,
++ }, {
++ .name = "rootfs",
++ .offset = 0x140000,
++ .size = 0x6c0000,
++ }, {
++ .name = "firmware",
++ .offset = 0x040000,
++ .size = 0x7c0000,
++ }, {
++ .name = "wholeflash",
++ .offset = 0x0,
++ .size = 0x800000,
++ .mask_flags = MTD_WRITEABLE,
++ },
++};
++
++static struct flash_platform_data nsb3ast_flash_data = {
++ .parts = nsb3ast_partitions,
++ .nr_parts = ARRAY_SIZE(nsb3ast_partitions),
++};
++
++static struct spi_board_info nsb3ast_spi_board_info[] = {
++ {
++ .bus_num = 0,
++ .chip_select = 0,
++ .max_speed_hz = 25000000,
++ .modalias = "m25p80",
++ .platform_data = &nsb3ast_flash_data,
++ }
++};
++
++static struct gpio_led nsb3ast_gpio_leds[] = {
++ {
++ .name = "nsb3ast:red:d1",
++ .gpio = 15,
++ .active_low = 1,
++ }, {
++ .name = "nsb3ast:amber:eth",
++ .gpio = 22,
++ .active_low = 1,
++ }
++};
++
++static struct gpio_led_platform_data nsb3ast_gpio_leds_data = {
++ .num_leds = ARRAY_SIZE(nsb3ast_gpio_leds),
++ .leds = nsb3ast_gpio_leds,
++};
++
++static struct platform_device nsb3ast_gpio_leds_device = {
++ .name = "leds-gpio",
++ .id = -1,
++ .dev.platform_data = &nsb3ast_gpio_leds_data,
++};
++
++static struct gpio_keys_button nsb3ast_gpio_keys[] = {
++ {
++ .code = KEY_RESTART,
++ .gpio = 0,
++ .desc = "Reset Button",
++ .active_low = 1,
++ },
++ {
++ .code = BTN_0,
++ .gpio = 2,
++ .desc = "USB Button",
++ .active_low = 0,
++ },
++};
++
++static struct gpio_keys_platform_data nsb3ast_gpio_keys_data = {
++ .buttons = nsb3ast_gpio_keys,
++ .nbuttons = ARRAY_SIZE(nsb3ast_gpio_keys),
++};
++
++static struct platform_device nsb3ast_gpio_keys_device = {
++ .name = "gpio-keys",
++ .id = -1,
++ .num_resources = 0,
++ .dev = {
++ .platform_data = &nsb3ast_gpio_keys_data,
++ },
++};
++
++static void __init nsb3ast_fixup(struct tag *tags, char **cmdline,
++ struct meminfo *mi)
++{
++ struct tag *t;
++
++ /* The board has 32MB of RAM mapped at 0. */
++ mi->nr_banks = 1;
++ mi->bank[0].start = 0;
++ mi->bank[0].size = SZ_32M;
++
++ for (t = tags; t->hdr.size; t = tag_next(t)) {
++ switch (t->hdr.tag) {
++ case ATAG_CORE:
++ if (t->u.core.rootdev == 255)
++ t->u.core.rootdev = 0;
++ break;
++ }
++ }
++}
++
++static void __init nsb3ast_init(void)
++{
++ cns21xx_gpio_init();
++ cns21xx_register_uart0();
++ cns21xx_register_uart1();
++ cns21xx_register_wdt();
++ cns21xx_register_usb();
++ cns21xx_register_spi_master(-1, nsb3ast_spi_board_info,
++ ARRAY_SIZE(nsb3ast_spi_board_info));
++
++ cns21xx_gec_data.phy_type = CNS21XX_GEC_PHY_TYPE_INTERNAL;
++ cns21xx_register_gec();
++
++ HAL_MISC_DISABLE_LED012_PINS();
++ platform_device_register(&nsb3ast_gpio_leds_device);
++ platform_device_register(&nsb3ast_gpio_keys_device);
++}
++
++MACHINE_START(NSB3AST, "AGESTAR NSB3AST")
++ .fixup = nsb3ast_fixup,
++ .map_io = cns21xx_map_io,
++ .init_irq = cns21xx_init_irq,
++ .init_time = cns21xx_timer_init,
++ .init_machine = nsb3ast_init,
++ .restart = cns21xx_restart,
++MACHINE_END
+--- a/arch/arm/mach-cns21xx/Makefile
++++ b/arch/arm/mach-cns21xx/Makefile
+@@ -13,3 +13,4 @@ obj-$(CONFIG_CNS21XX_DEV_SPI_MASTER) +=
+
+ # machine specific files
+ obj-$(CONFIG_MACH_NS_K330) += mach-ns-k330.o
++obj-$(CONFIG_MACH_NSB3AST) += mach-nsb3ast.o
projects / openwrt / staging / hauke.git / commitdiff