# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
-# Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
# Copyright (C) 2006 FON Technology, SL.
# Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
# Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
#
-# Makefile for Atheros ar531x boards
-#
-# Note! Dependencies are done automagically by 'make dep', which also
-# removes any old dependencies. DON'T put your own dependencies here
-# unless it's something special (ie not a .c file).
-#
-
-obj-y += board.o prom.o irq.o
-obj-$(CONFIG_ATHEROS_AR5312) += ar5312.o
-obj-$(CONFIG_ATHEROS_AR5315) += ar5315.o
-
+obj-y += board.o prom.o reset.o
+obj-$(CONFIG_ATHEROS_AR5312) += ar5312/
+obj-$(CONFIG_ATHEROS_AR5315) += ar5315/
+++ /dev/null
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
- * Copyright (C) 2006 FON Technology, SL.
- * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- */
-
-/*
- * Platform devices for Atheros SoCs
- */
-
-#include <linux/autoconf.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/mtd/physmap.h>
-#include <linux/platform_device.h>
-#include <linux/kernel.h>
-#include <linux/reboot.h>
-#include <asm/bootinfo.h>
-#include <asm/reboot.h>
-#include <asm/time.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include "ar531x.h"
-
-#define NO_PHY 0x1f
-
-static int is_5312 = 0;
-static struct platform_device *ar5312_devs[5];
-
-static struct resource ar5312_eth0_res[] = {
- {
- .name = "eth0_membase",
- .flags = IORESOURCE_MEM,
- .start = KSEG1ADDR(AR531X_ENET0),
- .end = KSEG1ADDR(AR531X_ENET0 + 0x2000),
- },
- {
- .name = "eth0_irq",
- .flags = IORESOURCE_IRQ,
- .start = AR5312_IRQ_ENET0_INTRS,
- .end = AR5312_IRQ_ENET0_INTRS,
- },
-};
-static struct ar531x_eth ar5312_eth0_data = {
- .phy = NO_PHY,
- .mac = 0,
- .reset_base = AR531X_RESET,
- .reset_mac = AR531X_RESET_ENET0,
- .reset_phy = AR531X_RESET_EPHY0,
- .phy_base = KSEG1ADDR(AR531X_ENET0),
-};
-
-static struct resource ar5312_eth1_res[] = {
- {
- .name = "eth1_membase",
- .flags = IORESOURCE_MEM,
- .start = KSEG1ADDR(AR531X_ENET1),
- .end = KSEG1ADDR(AR531X_ENET1 + 0x2000),
- },
- {
- .name = "eth1_irq",
- .flags = IORESOURCE_IRQ,
- .start = AR5312_IRQ_ENET1_INTRS,
- .end = AR5312_IRQ_ENET1_INTRS,
- },
-};
-static struct ar531x_eth ar5312_eth1_data = {
- .phy = NO_PHY,
- .mac = 1,
- .reset_base = AR531X_RESET,
- .reset_mac = AR531X_RESET_ENET1,
- .reset_phy = AR531X_RESET_EPHY1,
- .phy_base = KSEG1ADDR(AR531X_ENET1),
-};
-
-static struct platform_device ar5312_eth[] = {
- {
- .id = 0,
- .name = "ar531x-eth",
- .dev.platform_data = &ar5312_eth0_data,
- .resource = ar5312_eth0_res,
- .num_resources = ARRAY_SIZE(ar5312_eth0_res)
- },
- {
- .id = 1,
- .name = "ar531x-eth",
- .dev.platform_data = &ar5312_eth1_data,
- .resource = ar5312_eth1_res,
- .num_resources = ARRAY_SIZE(ar5312_eth1_res)
- },
-};
-
-
-/*
- * AR2312/3 ethernet uses the PHY of ENET0, but the MAC
- * of ENET1. Atheros calls it 'twisted' for a reason :)
- */
-static struct resource ar231x_eth0_res[] = {
- {
- .name = "eth0_membase",
- .flags = IORESOURCE_MEM,
- .start = KSEG1ADDR(AR531X_ENET1),
- .end = KSEG1ADDR(AR531X_ENET1 + 0x2000),
- },
- {
- .name = "eth0_irq",
- .flags = IORESOURCE_IRQ,
- .start = AR5312_IRQ_ENET1_INTRS,
- .end = AR5312_IRQ_ENET1_INTRS,
- },
-};
-static struct ar531x_eth ar231x_eth0_data = {
- .phy = 1,
- .mac = 1,
- .reset_base = AR531X_RESET,
- .reset_mac = AR531X_RESET_ENET1,
- .reset_phy = AR531X_RESET_EPHY1,
- .phy_base = KSEG1ADDR(AR531X_ENET0),
-};
-static struct platform_device ar231x_eth0 = {
- .id = 0,
- .name = "ar531x-eth",
- .dev.platform_data = &ar231x_eth0_data,
- .resource = ar231x_eth0_res,
- .num_resources = ARRAY_SIZE(ar231x_eth0_res)
-};
-
-
-static struct platform_device ar5312_wmac[] = {
- {
- .id = 0,
- .name = "ar531x-wmac",
- },
- {
- .id = 1,
- .name = "ar531x-wmac",
- },
-};
-
-static struct physmap_flash_data ar5312_flash_data = {
- .width = 2,
-};
-
-static struct resource ar5312_flash_resource = {
- .start = AR531X_FLASH,
- .end = AR531X_FLASH + 0x400000 - 1,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device ar5312_physmap_flash = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = &ar5312_flash_data,
- },
- .num_resources = 1,
- .resource = &ar5312_flash_resource,
-};
-
-
-/*
- * NB: This mapping size is larger than the actual flash size,
- * but this shouldn't be a problem here, because the flash
- * will simply be mapped multiple times.
- */
-static char __init *ar5312_flash_limit(void)
-{
- u32 ctl;
- /*
- * Configure flash bank 0.
- * Assume 8M window size. Flash will be aliased if it's smaller
- */
- ctl = FLASHCTL_E |
- FLASHCTL_AC_8M |
- FLASHCTL_RBLE |
- (0x01 << FLASHCTL_IDCY_S) |
- (0x07 << FLASHCTL_WST1_S) |
- (0x07 << FLASHCTL_WST2_S) |
- (sysRegRead(AR531X_FLASHCTL0) & FLASHCTL_MW);
-
- sysRegWrite(AR531X_FLASHCTL0, ctl);
-
- /* Disable other flash banks */
- sysRegWrite(AR531X_FLASHCTL1,
- sysRegRead(AR531X_FLASHCTL1) & ~(FLASHCTL_E | FLASHCTL_AC));
-
- sysRegWrite(AR531X_FLASHCTL2,
- sysRegRead(AR531X_FLASHCTL2) & ~(FLASHCTL_E | FLASHCTL_AC));
-
- return (char *) KSEG1ADDR(AR531X_FLASH + 0x800000);
-}
-
-static struct ar531x_config __init *init_wmac(int unit)
-{
- struct ar531x_config *config;
-
- config = (struct ar531x_config *) kzalloc(sizeof(struct ar531x_config), GFP_KERNEL);
- config->board = board_config;
- config->radio = radio_config;
- config->unit = unit;
- config->tag = (u_int16_t) ((sysRegRead(AR531X_REV) >> AR531X_REV_WMAC_MIN_S) & AR531X_REV_CHIP);
-
- return config;
-}
-
-int __init ar5312_init_devices(void)
-{
- struct ar531x_boarddata *bcfg;
- char *radio, *c;
- int dev = 0;
- uint32_t fctl = 0;
-
- if (!is_5312)
- return 0;
-
- /* Locate board/radio config data */
- ar531x_find_config(ar5312_flash_limit());
- bcfg = (struct ar531x_boarddata *) board_config;
-
-
- /*
- * Chip IDs and hardware detection for some Atheros
- * models are really broken!
- *
- * Atheros uses a disabled WMAC0 and Silicon ID of AR5312
- * as indication for AR2312, which is otherwise
- * indistinguishable from the real AR5312.
- */
- if (radio_config) {
- radio = radio_config + AR531X_RADIO_MASK_OFF;
- if ((*((u32 *) radio) & AR531X_RADIO0_MASK) == 0)
- bcfg->config |= BD_ISCASPER;
- } else
- radio = NULL;
-
- /* AR2313 has CPU minor rev. 10 */
- if ((current_cpu_data.processor_id & 0xff) == 0x0a)
- mips_machtype = MACH_ATHEROS_AR2313;
-
- /* AR2312 shares the same Silicon ID as AR5312 */
- else if (bcfg->config & BD_ISCASPER)
- mips_machtype = MACH_ATHEROS_AR2312;
-
- /* Everything else is probably AR5312 or compatible */
- else
- mips_machtype = MACH_ATHEROS_AR5312;
-
- ar5312_eth0_data.board_config = board_config;
- ar5312_eth1_data.board_config = board_config;
-
- /* fixup flash width */
- fctl = sysRegRead(AR531X_FLASHCTL) & FLASHCTL_MW;
- switch (fctl) {
- case FLASHCTL_MWx16:
- ar5312_flash_data.width = 2;
- break;
- case FLASHCTL_MWx8:
- default:
- ar5312_flash_data.width = 1;
- break;
- }
-
- ar5312_devs[dev++] = &ar5312_physmap_flash;
-
- if (!memcmp(bcfg->enet0Mac, "\xff\xff\xff\xff\xff\xff", 6))
- memcpy(bcfg->enet0Mac, bcfg->enet1Mac, 6);
-
- if (memcmp(bcfg->enet0Mac, bcfg->enet1Mac, 6) == 0) {
- /* ENET0 and ENET1 have the same mac.
- * Increment the one from ENET1 */
- c = bcfg->enet1Mac + 5;
- while ((c >= (char *) bcfg->enet1Mac) && !(++(*c)))
- c--;
- }
-
- switch(mips_machtype) {
- case MACH_ATHEROS_AR5312:
- ar5312_eth0_data.macaddr = bcfg->enet0Mac;
- ar5312_eth1_data.macaddr = bcfg->enet1Mac;
- ar5312_devs[dev++] = &ar5312_eth[0];
- ar5312_devs[dev++] = &ar5312_eth[1];
- break;
- case MACH_ATHEROS_AR2312:
- case MACH_ATHEROS_AR2313:
- ar231x_eth0_data.macaddr = bcfg->enet0Mac;
- ar5312_devs[dev++] = &ar231x_eth0;
- ar5312_flash_data.width = 1;
- break;
- }
-
- if (radio) {
- if (mips_machtype == MACH_ATHEROS_AR5312) {
- if (*((u32 *) radio) & AR531X_RADIO0_MASK) {
- ar5312_wmac[0].dev.platform_data = init_wmac(0);
- ar5312_devs[dev++] = &ar5312_wmac[0];
- }
- }
- if (*((u32 *) radio) & AR531X_RADIO1_MASK) {
- ar5312_wmac[1].dev.platform_data = init_wmac(1);
- ar5312_devs[dev++] = &ar5312_wmac[1];
- }
- }
-
- return platform_add_devices(ar5312_devs, dev);
-}
-
-
-/*
- * Called when an interrupt is received, this function
- * determines exactly which interrupt it was, and it
- * invokes the appropriate handler.
- *
- * Implicitly, we also define interrupt priority by
- * choosing which to dispatch first.
- */
-asmlinkage void ar5312_irq_dispatch(void)
-{
- int pending = read_c0_status() & read_c0_cause();
-
- if (pending & CAUSEF_IP2)
- do_IRQ(AR5312_IRQ_WLAN0_INTRS);
- else if (pending & CAUSEF_IP3)
- do_IRQ(AR5312_IRQ_ENET0_INTRS);
- else if (pending & CAUSEF_IP4)
- do_IRQ(AR5312_IRQ_ENET1_INTRS);
- else if (pending & CAUSEF_IP5)
- do_IRQ(AR5312_IRQ_WLAN1_INTRS);
- else if (pending & CAUSEF_IP6) {
- unsigned int ar531x_misc_intrs = sysRegRead(AR531X_ISR) & sysRegRead(AR531X_IMR);
-
- if (ar531x_misc_intrs & AR531X_ISR_TIMER) {
- do_IRQ(AR531X_MISC_IRQ_TIMER);
- (void)sysRegRead(AR531X_TIMER);
- } else if (ar531x_misc_intrs & AR531X_ISR_AHBPROC)
- do_IRQ(AR531X_MISC_IRQ_AHB_PROC);
- else if ((ar531x_misc_intrs & AR531X_ISR_UART0))
- do_IRQ(AR531X_MISC_IRQ_UART0);
- else if (ar531x_misc_intrs & AR531X_ISR_WD)
- do_IRQ(AR531X_MISC_IRQ_WATCHDOG);
- else
- do_IRQ(AR531X_MISC_IRQ_NONE);
- } else if (pending & CAUSEF_IP7) {
- do_IRQ(AR531X_IRQ_CPU_CLOCK);
- }
- else
- do_IRQ(AR531X_IRQ_NONE);
-}
-
-static void ar5312_halt(void)
-{
- while (1);
-}
-
-static void ar5312_power_off(void)
-{
- ar5312_halt();
-}
-
-
-static void ar5312_restart(char *command)
-{
- /* reset the system */
- for(;;) sysRegWrite(AR531X_RESET, AR531X_RESET_SYSTEM);
-}
-
-
-/*
- * This table is indexed by bits 5..4 of the CLOCKCTL1 register
- * to determine the predevisor value.
- */
-static int __initdata CLOCKCTL1_PREDIVIDE_TABLE[4] = {
- 1,
- 2,
- 4,
- 5
-};
-
-
-static unsigned int __init ar5312_cpu_frequency(void)
-{
- unsigned int result;
- unsigned int predivide_mask, predivide_shift;
- unsigned int multiplier_mask, multiplier_shift;
- unsigned int clockCtl1, preDivideSelect, preDivisor, multiplier;
- unsigned int doubler_mask;
- unsigned int wisoc_revision;
-
- /* Trust the bootrom's idea of cpu frequency. */
- if ((result = sysRegRead(AR5312_SCRATCH)))
- return result;
-
- wisoc_revision = (sysRegRead(AR531X_REV) & AR531X_REV_MAJ) >> AR531X_REV_MAJ_S;
- if (wisoc_revision == AR531X_REV_MAJ_AR2313) {
- predivide_mask = AR2313_CLOCKCTL1_PREDIVIDE_MASK;
- predivide_shift = AR2313_CLOCKCTL1_PREDIVIDE_SHIFT;
- multiplier_mask = AR2313_CLOCKCTL1_MULTIPLIER_MASK;
- multiplier_shift = AR2313_CLOCKCTL1_MULTIPLIER_SHIFT;
- doubler_mask = AR2313_CLOCKCTL1_DOUBLER_MASK;
- } else { /* AR5312 and AR2312 */
- predivide_mask = AR5312_CLOCKCTL1_PREDIVIDE_MASK;
- predivide_shift = AR5312_CLOCKCTL1_PREDIVIDE_SHIFT;
- multiplier_mask = AR5312_CLOCKCTL1_MULTIPLIER_MASK;
- multiplier_shift = AR5312_CLOCKCTL1_MULTIPLIER_SHIFT;
- doubler_mask = AR5312_CLOCKCTL1_DOUBLER_MASK;
- }
-
- /*
- * Clocking is derived from a fixed 40MHz input clock.
- *
- * cpuFreq = InputClock * MULT (where MULT is PLL multiplier)
- * sysFreq = cpuFreq / 4 (used for APB clock, serial,
- * flash, Timer, Watchdog Timer)
- *
- * cntFreq = cpuFreq / 2 (use for CPU count/compare)
- *
- * So, for example, with a PLL multiplier of 5, we have
- *
- * cpuFreq = 200MHz
- * sysFreq = 50MHz
- * cntFreq = 100MHz
- *
- * We compute the CPU frequency, based on PLL settings.
- */
-
- clockCtl1 = sysRegRead(AR5312_CLOCKCTL1);
- preDivideSelect = (clockCtl1 & predivide_mask) >> predivide_shift;
- preDivisor = CLOCKCTL1_PREDIVIDE_TABLE[preDivideSelect];
- multiplier = (clockCtl1 & multiplier_mask) >> multiplier_shift;
-
- if (clockCtl1 & doubler_mask) {
- multiplier = multiplier << 1;
- }
- return (40000000 / preDivisor) * multiplier;
-}
-
-static inline int ar5312_sys_frequency(void)
-{
- return ar5312_cpu_frequency() / 4;
-}
-
-static void __init ar5312_time_init(void)
-{
- mips_hpt_frequency = ar5312_cpu_frequency() / 2;
-}
-
-
-/* Enable the specified AR531X_MISC_IRQ interrupt */
-static void
-ar5312_misc_intr_enable(unsigned int irq)
-{
- unsigned int imr;
-
- imr = sysRegRead(AR531X_IMR);
- imr |= (1 << (irq - AR531X_MISC_IRQ_BASE - 1));
- sysRegWrite(AR531X_IMR, imr);
- sysRegRead(AR531X_IMR); /* flush write buffer */
-}
-
-/* Disable the specified AR531X_MISC_IRQ interrupt */
-static void
-ar5312_misc_intr_disable(unsigned int irq)
-{
- unsigned int imr;
-
- imr = sysRegRead(AR531X_IMR);
- imr &= ~(1 << (irq - AR531X_MISC_IRQ_BASE - 1));
- sysRegWrite(AR531X_IMR, imr);
- sysRegRead(AR531X_IMR); /* flush write buffer */
-}
-
-/* Turn on the specified AR531X_MISC_IRQ interrupt */
-static unsigned int
-ar5312_misc_intr_startup(unsigned int irq)
-{
- ar5312_misc_intr_enable(irq);
- return 0;
-}
-
-/* Turn off the specified AR531X_MISC_IRQ interrupt */
-static void
-ar5312_misc_intr_shutdown(unsigned int irq)
-{
- ar5312_misc_intr_disable(irq);
-}
-
-static void
-ar5312_misc_intr_ack(unsigned int irq)
-{
- ar5312_misc_intr_disable(irq);
-}
-
-static void
-ar5312_misc_intr_end(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
- ar5312_misc_intr_enable(irq);
-}
-
-static struct irq_chip ar5312_misc_intr_controller = {
- .typename = "AR5312 misc",
- .startup = ar5312_misc_intr_startup,
- .shutdown = ar5312_misc_intr_shutdown,
- .enable = ar5312_misc_intr_enable,
- .disable = ar5312_misc_intr_disable,
- .ack = ar5312_misc_intr_ack,
- .end = ar5312_misc_intr_end,
-};
-
-static irqreturn_t ar5312_ahb_proc_handler(int cpl, void *dev_id)
-{
- u32 proc1 = sysRegRead(AR531X_PROC1);
- u32 procAddr = sysRegRead(AR531X_PROCADDR); /* clears error state */
- u32 dma1 = sysRegRead(AR531X_DMA1);
- u32 dmaAddr = sysRegRead(AR531X_DMAADDR); /* clears error state */
-
- printk("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n",
- procAddr, proc1, dmaAddr, dma1);
-
- machine_restart("AHB error"); /* Catastrophic failure */
- return IRQ_HANDLED;
-}
-
-
-static struct irqaction ar5312_ahb_proc_interrupt = {
- .handler = ar5312_ahb_proc_handler,
- .flags = SA_INTERRUPT,
- .name = "ar5312_ahb_proc_interrupt",
-};
-
-
-static struct irqaction cascade = {
- .handler = no_action,
- .flags = SA_INTERRUPT,
- .name = "cascade",
-};
-
-void __init ar5312_misc_intr_init(int irq_base)
-{
- int i;
-
- for (i = irq_base; i < irq_base + AR531X_MISC_IRQ_COUNT; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = NULL;
- irq_desc[i].depth = 1;
- irq_desc[i].chip = &ar5312_misc_intr_controller;
- }
- setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar5312_ahb_proc_interrupt);
- setup_irq(AR5312_IRQ_MISC_INTRS, &cascade);
-}
-
-void __init ar5312_prom_init(void)
-{
- u32 memsize, memcfg, bank0AC, bank1AC;
-
- is_5312 = 1;
-
- /* Detect memory size */
- memcfg = sysRegRead(AR531X_MEM_CFG1);
- bank0AC = (memcfg & MEM_CFG1_AC0) >> MEM_CFG1_AC0_S;
- bank1AC = (memcfg & MEM_CFG1_AC1) >> MEM_CFG1_AC1_S;
- memsize = (bank0AC ? (1 << (bank0AC+1)) : 0)
- + (bank1AC ? (1 << (bank1AC+1)) : 0);
- memsize <<= 20;
- add_memory_region(0, memsize, BOOT_MEM_RAM);
-
- /* Initialize it to AR5312 for now. Real detection will be done
- * in ar5312_init_devices() */
- mips_machtype = MACH_ATHEROS_AR5312;
-}
-
-void __init ar5312_plat_setup(void)
-{
- /* Clear any lingering AHB errors */
- sysRegRead(AR531X_PROCADDR);
- sysRegRead(AR531X_DMAADDR);
- sysRegWrite(AR531X_WD_CTRL, AR531X_WD_CTRL_IGNORE_EXPIRATION);
-
- board_time_init = ar5312_time_init;
-
- _machine_restart = ar5312_restart;
- _machine_halt = ar5312_halt;
- pm_power_off = ar5312_power_off;
-
- serial_setup(KSEG1ADDR(AR531X_UART0), ar5312_sys_frequency());
-}
-
-arch_initcall(ar5312_init_devices);
+++ /dev/null
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
- * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- */
-
-#ifndef AR5312_H
-#define AR5312_H
-
-#include <asm/addrspace.h>
-
-/*
- * IRQs
- */
-
-#define AR5312_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */
-#define AR5312_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */
-#define AR5312_IRQ_ENET1_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */
-#define AR5312_IRQ_WLAN1_INTRS MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */
-#define AR5312_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */
-
-
-/* Address Map */
-#define AR531X_WLAN0 0x18000000
-#define AR531X_WLAN1 0x18500000
-#define AR531X_ENET0 0x18100000
-#define AR531X_ENET1 0x18200000
-#define AR531X_SDRAMCTL 0x18300000
-#define AR531X_FLASHCTL 0x18400000
-#define AR531X_APBBASE 0x1c000000
-#define AR531X_FLASH 0x1e000000
-#define AR531X_UART0 0xbc000003 /* UART MMR */
-
-/*
- * AR531X_NUM_ENET_MAC defines the number of ethernet MACs that
- * should be considered available. The AR5312 supports 2 enet MACS,
- * even though many reference boards only actually use 1 of them
- * (i.e. Only MAC 0 is actually connected to an enet PHY or PHY switch.
- * The AR2312 supports 1 enet MAC.
- */
-#define AR531X_NUM_ENET_MAC 2
-
-/*
- * Need these defines to determine true number of ethernet MACs
- */
-#define AR5212_AR5312_REV2 0x0052 /* AR5312 WMAC (AP31) */
-#define AR5212_AR5312_REV7 0x0057 /* AR5312 WMAC (AP30-040) */
-#define AR5212_AR2313_REV8 0x0058 /* AR2313 WMAC (AP43-030) */
-#define AR531X_RADIO_MASK_OFF 0xc8
-#define AR531X_RADIO0_MASK 0x0003
-#define AR531X_RADIO1_MASK 0x000c
-#define AR531X_RADIO1_S 2
-
-/*
- * AR531X_NUM_WMAC defines the number of Wireless MACs that\
- * should be considered available.
- */
-#define AR531X_NUM_WMAC 2
-
-/* Reset/Timer Block Address Map */
-#define AR531X_RESETTMR (AR531X_APBBASE + 0x3000)
-#define AR531X_TIMER (AR531X_RESETTMR + 0x0000) /* countdown timer */
-#define AR531X_WD_CTRL (AR531X_RESETTMR + 0x0008) /* watchdog cntrl */
-#define AR531X_WD_TIMER (AR531X_RESETTMR + 0x000c) /* watchdog timer */
-#define AR531X_ISR (AR531X_RESETTMR + 0x0010) /* Intr Status Reg */
-#define AR531X_IMR (AR531X_RESETTMR + 0x0014) /* Intr Mask Reg */
-#define AR531X_RESET (AR531X_RESETTMR + 0x0020)
-#define AR5312_CLOCKCTL1 (AR531X_RESETTMR + 0x0064)
-#define AR5312_SCRATCH (AR531X_RESETTMR + 0x006c)
-#define AR531X_PROCADDR (AR531X_RESETTMR + 0x0070)
-#define AR531X_PROC1 (AR531X_RESETTMR + 0x0074)
-#define AR531X_DMAADDR (AR531X_RESETTMR + 0x0078)
-#define AR531X_DMA1 (AR531X_RESETTMR + 0x007c)
-#define AR531X_ENABLE (AR531X_RESETTMR + 0x0080) /* interface enb */
-#define AR531X_REV (AR531X_RESETTMR + 0x0090) /* revision */
-
-/* AR531X_WD_CTRL register bit field definitions */
-#define AR531X_WD_CTRL_IGNORE_EXPIRATION 0x0000
-#define AR531X_WD_CTRL_NMI 0x0001
-#define AR531X_WD_CTRL_RESET 0x0002
-
-/* AR531X_ISR register bit field definitions */
-#define AR531X_ISR_NONE 0x0000
-#define AR531X_ISR_TIMER 0x0001
-#define AR531X_ISR_AHBPROC 0x0002
-#define AR531X_ISR_AHBDMA 0x0004
-#define AR531X_ISR_GPIO 0x0008
-#define AR531X_ISR_UART0 0x0010
-#define AR531X_ISR_UART0DMA 0x0020
-#define AR531X_ISR_WD 0x0040
-#define AR531X_ISR_LOCAL 0x0080
-
-/* AR531X_RESET register bit field definitions */
-#define AR531X_RESET_SYSTEM 0x00000001 /* cold reset full system */
-#define AR531X_RESET_PROC 0x00000002 /* cold reset MIPS core */
-#define AR531X_RESET_WLAN0 0x00000004 /* cold reset WLAN MAC and BB */
-#define AR531X_RESET_EPHY0 0x00000008 /* cold reset ENET0 phy */
-#define AR531X_RESET_EPHY1 0x00000010 /* cold reset ENET1 phy */
-#define AR531X_RESET_ENET0 0x00000020 /* cold reset ENET0 mac */
-#define AR531X_RESET_ENET1 0x00000040 /* cold reset ENET1 mac */
-#define AR531X_RESET_UART0 0x00000100 /* cold reset UART0 (high speed) */
-#define AR531X_RESET_WLAN1 0x00000200 /* cold reset WLAN MAC/BB */
-#define AR531X_RESET_APB 0x00000400 /* cold reset APB (ar5312) */
-#define AR531X_RESET_WARM_PROC 0x00001000 /* warm reset MIPS core */
-#define AR531X_RESET_WARM_WLAN0_MAC 0x00002000 /* warm reset WLAN0 MAC */
-#define AR531X_RESET_WARM_WLAN0_BB 0x00004000 /* warm reset WLAN0 BaseBand */
-#define AR531X_RESET_NMI 0x00010000 /* send an NMI to the processor */
-#define AR531X_RESET_WARM_WLAN1_MAC 0x00020000 /* warm reset WLAN1 mac */
-#define AR531X_RESET_WARM_WLAN1_BB 0x00040000 /* warm reset WLAN1 baseband */
-#define AR531X_RESET_LOCAL_BUS 0x00080000 /* reset local bus */
-#define AR531X_RESET_WDOG 0x00100000 /* last reset was a watchdog */
-
-#define AR531X_RESET_WMAC0_BITS \
- AR531X_RESET_WLAN0 |\
- AR531X_RESET_WARM_WLAN0_MAC |\
- AR531X_RESET_WARM_WLAN0_BB
-
-#define AR531X_RESERT_WMAC1_BITS \
- AR531X_RESET_WLAN1 |\
- AR531X_RESET_WARM_WLAN1_MAC |\
- AR531X_RESET_WARM_WLAN1_BB
-
-/* AR5312_CLOCKCTL1 register bit field definitions */
-#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030
-#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4
-#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00
-#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8
-#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000
-
-/* Valid for AR5312 and AR2312 */
-#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030
-#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4
-#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00
-#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8
-#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000
-
-/* Valid for AR2313 */
-#define AR2313_CLOCKCTL1_PREDIVIDE_MASK 0x00003000
-#define AR2313_CLOCKCTL1_PREDIVIDE_SHIFT 12
-#define AR2313_CLOCKCTL1_MULTIPLIER_MASK 0x001f0000
-#define AR2313_CLOCKCTL1_MULTIPLIER_SHIFT 16
-#define AR2313_CLOCKCTL1_DOUBLER_MASK 0x00000000
-
-
-/* AR531X_ENABLE register bit field definitions */
-#define AR531X_ENABLE_WLAN0 0x0001
-#define AR531X_ENABLE_ENET0 0x0002
-#define AR531X_ENABLE_ENET1 0x0004
-#define AR531X_ENABLE_UART_AND_WLAN1_PIO 0x0008 /* UART, and WLAN1 PIOs */
-#define AR531X_ENABLE_WLAN1_DMA 0x0010 /* WLAN1 DMAs */
-#define AR531X_ENABLE_WLAN1 \
- (AR531X_ENABLE_UART_AND_WLAN1_PIO | AR531X_ENABLE_WLAN1_DMA)
-
-/* AR531X_REV register bit field definitions */
-#define AR531X_REV_WMAC_MAJ 0xf000
-#define AR531X_REV_WMAC_MAJ_S 12
-#define AR531X_REV_WMAC_MIN 0x0f00
-#define AR531X_REV_WMAC_MIN_S 8
-#define AR531X_REV_MAJ 0x00f0
-#define AR531X_REV_MAJ_S 4
-#define AR531X_REV_MIN 0x000f
-#define AR531X_REV_MIN_S 0
-#define AR531X_REV_CHIP (AR531X_REV_MAJ|AR531X_REV_MIN)
-
-/* Major revision numbers, bits 7..4 of Revision ID register */
-#define AR531X_REV_MAJ_AR5312 0x4
-#define AR531X_REV_MAJ_AR2313 0x5
-
-/* Minor revision numbers, bits 3..0 of Revision ID register */
-#define AR5312_REV_MIN_DUAL 0x0 /* Dual WLAN version */
-#define AR5312_REV_MIN_SINGLE 0x1 /* Single WLAN version */
-
-/* AR531X_FLASHCTL register bit field definitions */
-#define FLASHCTL_IDCY 0x0000000f /* Idle cycle turn around time */
-#define FLASHCTL_IDCY_S 0
-#define FLASHCTL_WST1 0x000003e0 /* Wait state 1 */
-#define FLASHCTL_WST1_S 5
-#define FLASHCTL_RBLE 0x00000400 /* Read byte lane enable */
-#define FLASHCTL_WST2 0x0000f800 /* Wait state 2 */
-#define FLASHCTL_WST2_S 11
-#define FLASHCTL_AC 0x00070000 /* Flash address check (added) */
-#define FLASHCTL_AC_S 16
-#define FLASHCTL_AC_128K 0x00000000
-#define FLASHCTL_AC_256K 0x00010000
-#define FLASHCTL_AC_512K 0x00020000
-#define FLASHCTL_AC_1M 0x00030000
-#define FLASHCTL_AC_2M 0x00040000
-#define FLASHCTL_AC_4M 0x00050000
-#define FLASHCTL_AC_8M 0x00060000
-#define FLASHCTL_AC_RES 0x00070000 /* 16MB is not supported */
-#define FLASHCTL_E 0x00080000 /* Flash bank enable (added) */
-#define FLASHCTL_BUSERR 0x01000000 /* Bus transfer error status flag */
-#define FLASHCTL_WPERR 0x02000000 /* Write protect error status flag */
-#define FLASHCTL_WP 0x04000000 /* Write protect */
-#define FLASHCTL_BM 0x08000000 /* Burst mode */
-#define FLASHCTL_MW 0x30000000 /* Memory width */
-#define FLASHCTL_MWx8 0x00000000 /* Memory width x8 */
-#define FLASHCTL_MWx16 0x10000000 /* Memory width x16 */
-#define FLASHCTL_MWx32 0x20000000 /* Memory width x32 (not supported) */
-#define FLASHCTL_ATNR 0x00000000 /* Access type == no retry */
-#define FLASHCTL_ATR 0x80000000 /* Access type == retry every */
-#define FLASHCTL_ATR4 0xc0000000 /* Access type == retry every 4 */
-
-/* ARM Flash Controller -- 3 flash banks with either x8 or x16 devices. */
-#define AR531X_FLASHCTL0 (AR531X_FLASHCTL + 0x00)
-#define AR531X_FLASHCTL1 (AR531X_FLASHCTL + 0x04)
-#define AR531X_FLASHCTL2 (AR531X_FLASHCTL + 0x08)
-
-/* ARM SDRAM Controller -- just enough to determine memory size */
-#define AR531X_MEM_CFG1 (AR531X_SDRAMCTL + 0x04)
-#define MEM_CFG1_AC0 0x00000700 /* bank 0: SDRAM addr check (added) */
-#define MEM_CFG1_AC0_S 8
-#define MEM_CFG1_AC1 0x00007000 /* bank 1: SDRAM addr check (added) */
-#define MEM_CFG1_AC1_S 12
-
-/* GPIO Address Map */
-#define AR531X_GPIO (AR531X_APBBASE + 0x2000)
-#define AR531X_GPIO_DO (AR531X_GPIO + 0x00) /* output register */
-#define AR531X_GPIO_DI (AR531X_GPIO + 0x04) /* intput register */
-#define AR531X_GPIO_CR (AR531X_GPIO + 0x08) /* control register */
-
-/* GPIO Control Register bit field definitions */
-#define AR531X_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */
-#define AR531X_GPIO_CR_O(x) (0 << (x)) /* mask for output */
-#define AR531X_GPIO_CR_I(x) (1 << (x)) /* mask for input */
-#define AR531X_GPIO_CR_INT(x) (1 << ((x)+8)) /* mask for interrupt */
-#define AR531X_GPIO_CR_UART(x) (1 << ((x)+16)) /* uart multiplex */
-
-#endif
-
--- /dev/null
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 2007 FON Technology, SL.
+# Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
+# Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
+#
+
+obj-y := board.o irq.o
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ */
+
+#ifndef AR5312_H
+#define AR5312_H
+
+#include <asm/addrspace.h>
+
+/*
+ * IRQs
+ */
+
+#define AR5312_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */
+#define AR5312_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */
+#define AR5312_IRQ_ENET1_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */
+#define AR5312_IRQ_WLAN1_INTRS MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */
+#define AR5312_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */
+
+
+/* Address Map */
+#define AR531X_WLAN0 0x18000000
+#define AR531X_WLAN1 0x18500000
+#define AR531X_ENET0 0x18100000
+#define AR531X_ENET1 0x18200000
+#define AR531X_SDRAMCTL 0x18300000
+#define AR531X_FLASHCTL 0x18400000
+#define AR531X_APBBASE 0x1c000000
+#define AR531X_FLASH 0x1e000000
+#define AR531X_UART0 0xbc000003 /* UART MMR */
+
+/*
+ * AR531X_NUM_ENET_MAC defines the number of ethernet MACs that
+ * should be considered available. The AR5312 supports 2 enet MACS,
+ * even though many reference boards only actually use 1 of them
+ * (i.e. Only MAC 0 is actually connected to an enet PHY or PHY switch.
+ * The AR2312 supports 1 enet MAC.
+ */
+#define AR531X_NUM_ENET_MAC 2
+
+/*
+ * Need these defines to determine true number of ethernet MACs
+ */
+#define AR5212_AR5312_REV2 0x0052 /* AR5312 WMAC (AP31) */
+#define AR5212_AR5312_REV7 0x0057 /* AR5312 WMAC (AP30-040) */
+#define AR5212_AR2313_REV8 0x0058 /* AR2313 WMAC (AP43-030) */
+#define AR531X_RADIO_MASK_OFF 0xc8
+#define AR531X_RADIO0_MASK 0x0003
+#define AR531X_RADIO1_MASK 0x000c
+#define AR531X_RADIO1_S 2
+
+/*
+ * AR531X_NUM_WMAC defines the number of Wireless MACs that\
+ * should be considered available.
+ */
+#define AR531X_NUM_WMAC 2
+
+/* Reset/Timer Block Address Map */
+#define AR531X_RESETTMR (AR531X_APBBASE + 0x3000)
+#define AR531X_TIMER (AR531X_RESETTMR + 0x0000) /* countdown timer */
+#define AR531X_WD_CTRL (AR531X_RESETTMR + 0x0008) /* watchdog cntrl */
+#define AR531X_WD_TIMER (AR531X_RESETTMR + 0x000c) /* watchdog timer */
+#define AR531X_ISR (AR531X_RESETTMR + 0x0010) /* Intr Status Reg */
+#define AR531X_IMR (AR531X_RESETTMR + 0x0014) /* Intr Mask Reg */
+#define AR531X_RESET (AR531X_RESETTMR + 0x0020)
+#define AR5312_CLOCKCTL1 (AR531X_RESETTMR + 0x0064)
+#define AR5312_SCRATCH (AR531X_RESETTMR + 0x006c)
+#define AR531X_PROCADDR (AR531X_RESETTMR + 0x0070)
+#define AR531X_PROC1 (AR531X_RESETTMR + 0x0074)
+#define AR531X_DMAADDR (AR531X_RESETTMR + 0x0078)
+#define AR531X_DMA1 (AR531X_RESETTMR + 0x007c)
+#define AR531X_ENABLE (AR531X_RESETTMR + 0x0080) /* interface enb */
+#define AR531X_REV (AR531X_RESETTMR + 0x0090) /* revision */
+
+/* AR531X_WD_CTRL register bit field definitions */
+#define AR531X_WD_CTRL_IGNORE_EXPIRATION 0x0000
+#define AR531X_WD_CTRL_NMI 0x0001
+#define AR531X_WD_CTRL_RESET 0x0002
+
+/* AR531X_ISR register bit field definitions */
+#define AR531X_ISR_NONE 0x0000
+#define AR531X_ISR_TIMER 0x0001
+#define AR531X_ISR_AHBPROC 0x0002
+#define AR531X_ISR_AHBDMA 0x0004
+#define AR531X_ISR_GPIO 0x0008
+#define AR531X_ISR_UART0 0x0010
+#define AR531X_ISR_UART0DMA 0x0020
+#define AR531X_ISR_WD 0x0040
+#define AR531X_ISR_LOCAL 0x0080
+
+/* AR531X_RESET register bit field definitions */
+#define AR531X_RESET_SYSTEM 0x00000001 /* cold reset full system */
+#define AR531X_RESET_PROC 0x00000002 /* cold reset MIPS core */
+#define AR531X_RESET_WLAN0 0x00000004 /* cold reset WLAN MAC and BB */
+#define AR531X_RESET_EPHY0 0x00000008 /* cold reset ENET0 phy */
+#define AR531X_RESET_EPHY1 0x00000010 /* cold reset ENET1 phy */
+#define AR531X_RESET_ENET0 0x00000020 /* cold reset ENET0 mac */
+#define AR531X_RESET_ENET1 0x00000040 /* cold reset ENET1 mac */
+#define AR531X_RESET_UART0 0x00000100 /* cold reset UART0 (high speed) */
+#define AR531X_RESET_WLAN1 0x00000200 /* cold reset WLAN MAC/BB */
+#define AR531X_RESET_APB 0x00000400 /* cold reset APB (ar5312) */
+#define AR531X_RESET_WARM_PROC 0x00001000 /* warm reset MIPS core */
+#define AR531X_RESET_WARM_WLAN0_MAC 0x00002000 /* warm reset WLAN0 MAC */
+#define AR531X_RESET_WARM_WLAN0_BB 0x00004000 /* warm reset WLAN0 BaseBand */
+#define AR531X_RESET_NMI 0x00010000 /* send an NMI to the processor */
+#define AR531X_RESET_WARM_WLAN1_MAC 0x00020000 /* warm reset WLAN1 mac */
+#define AR531X_RESET_WARM_WLAN1_BB 0x00040000 /* warm reset WLAN1 baseband */
+#define AR531X_RESET_LOCAL_BUS 0x00080000 /* reset local bus */
+#define AR531X_RESET_WDOG 0x00100000 /* last reset was a watchdog */
+
+#define AR531X_RESET_WMAC0_BITS \
+ AR531X_RESET_WLAN0 |\
+ AR531X_RESET_WARM_WLAN0_MAC |\
+ AR531X_RESET_WARM_WLAN0_BB
+
+#define AR531X_RESERT_WMAC1_BITS \
+ AR531X_RESET_WLAN1 |\
+ AR531X_RESET_WARM_WLAN1_MAC |\
+ AR531X_RESET_WARM_WLAN1_BB
+
+/* AR5312_CLOCKCTL1 register bit field definitions */
+#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030
+#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4
+#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00
+#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8
+#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000
+
+/* Valid for AR5312 and AR2312 */
+#define AR5312_CLOCKCTL1_PREDIVIDE_MASK 0x00000030
+#define AR5312_CLOCKCTL1_PREDIVIDE_SHIFT 4
+#define AR5312_CLOCKCTL1_MULTIPLIER_MASK 0x00001f00
+#define AR5312_CLOCKCTL1_MULTIPLIER_SHIFT 8
+#define AR5312_CLOCKCTL1_DOUBLER_MASK 0x00010000
+
+/* Valid for AR2313 */
+#define AR2313_CLOCKCTL1_PREDIVIDE_MASK 0x00003000
+#define AR2313_CLOCKCTL1_PREDIVIDE_SHIFT 12
+#define AR2313_CLOCKCTL1_MULTIPLIER_MASK 0x001f0000
+#define AR2313_CLOCKCTL1_MULTIPLIER_SHIFT 16
+#define AR2313_CLOCKCTL1_DOUBLER_MASK 0x00000000
+
+
+/* AR531X_ENABLE register bit field definitions */
+#define AR531X_ENABLE_WLAN0 0x0001
+#define AR531X_ENABLE_ENET0 0x0002
+#define AR531X_ENABLE_ENET1 0x0004
+#define AR531X_ENABLE_UART_AND_WLAN1_PIO 0x0008 /* UART, and WLAN1 PIOs */
+#define AR531X_ENABLE_WLAN1_DMA 0x0010 /* WLAN1 DMAs */
+#define AR531X_ENABLE_WLAN1 \
+ (AR531X_ENABLE_UART_AND_WLAN1_PIO | AR531X_ENABLE_WLAN1_DMA)
+
+/* AR531X_REV register bit field definitions */
+#define AR531X_REV_WMAC_MAJ 0xf000
+#define AR531X_REV_WMAC_MAJ_S 12
+#define AR531X_REV_WMAC_MIN 0x0f00
+#define AR531X_REV_WMAC_MIN_S 8
+#define AR531X_REV_MAJ 0x00f0
+#define AR531X_REV_MAJ_S 4
+#define AR531X_REV_MIN 0x000f
+#define AR531X_REV_MIN_S 0
+#define AR531X_REV_CHIP (AR531X_REV_MAJ|AR531X_REV_MIN)
+
+/* Major revision numbers, bits 7..4 of Revision ID register */
+#define AR531X_REV_MAJ_AR5312 0x4
+#define AR531X_REV_MAJ_AR2313 0x5
+
+/* Minor revision numbers, bits 3..0 of Revision ID register */
+#define AR5312_REV_MIN_DUAL 0x0 /* Dual WLAN version */
+#define AR5312_REV_MIN_SINGLE 0x1 /* Single WLAN version */
+
+/* AR531X_FLASHCTL register bit field definitions */
+#define FLASHCTL_IDCY 0x0000000f /* Idle cycle turn around time */
+#define FLASHCTL_IDCY_S 0
+#define FLASHCTL_WST1 0x000003e0 /* Wait state 1 */
+#define FLASHCTL_WST1_S 5
+#define FLASHCTL_RBLE 0x00000400 /* Read byte lane enable */
+#define FLASHCTL_WST2 0x0000f800 /* Wait state 2 */
+#define FLASHCTL_WST2_S 11
+#define FLASHCTL_AC 0x00070000 /* Flash address check (added) */
+#define FLASHCTL_AC_S 16
+#define FLASHCTL_AC_128K 0x00000000
+#define FLASHCTL_AC_256K 0x00010000
+#define FLASHCTL_AC_512K 0x00020000
+#define FLASHCTL_AC_1M 0x00030000
+#define FLASHCTL_AC_2M 0x00040000
+#define FLASHCTL_AC_4M 0x00050000
+#define FLASHCTL_AC_8M 0x00060000
+#define FLASHCTL_AC_RES 0x00070000 /* 16MB is not supported */
+#define FLASHCTL_E 0x00080000 /* Flash bank enable (added) */
+#define FLASHCTL_BUSERR 0x01000000 /* Bus transfer error status flag */
+#define FLASHCTL_WPERR 0x02000000 /* Write protect error status flag */
+#define FLASHCTL_WP 0x04000000 /* Write protect */
+#define FLASHCTL_BM 0x08000000 /* Burst mode */
+#define FLASHCTL_MW 0x30000000 /* Memory width */
+#define FLASHCTL_MWx8 0x00000000 /* Memory width x8 */
+#define FLASHCTL_MWx16 0x10000000 /* Memory width x16 */
+#define FLASHCTL_MWx32 0x20000000 /* Memory width x32 (not supported) */
+#define FLASHCTL_ATNR 0x00000000 /* Access type == no retry */
+#define FLASHCTL_ATR 0x80000000 /* Access type == retry every */
+#define FLASHCTL_ATR4 0xc0000000 /* Access type == retry every 4 */
+
+/* ARM Flash Controller -- 3 flash banks with either x8 or x16 devices. */
+#define AR531X_FLASHCTL0 (AR531X_FLASHCTL + 0x00)
+#define AR531X_FLASHCTL1 (AR531X_FLASHCTL + 0x04)
+#define AR531X_FLASHCTL2 (AR531X_FLASHCTL + 0x08)
+
+/* ARM SDRAM Controller -- just enough to determine memory size */
+#define AR531X_MEM_CFG1 (AR531X_SDRAMCTL + 0x04)
+#define MEM_CFG1_AC0 0x00000700 /* bank 0: SDRAM addr check (added) */
+#define MEM_CFG1_AC0_S 8
+#define MEM_CFG1_AC1 0x00007000 /* bank 1: SDRAM addr check (added) */
+#define MEM_CFG1_AC1_S 12
+
+/* GPIO Address Map */
+#define AR531X_GPIO (AR531X_APBBASE + 0x2000)
+#define AR531X_GPIO_DO (AR531X_GPIO + 0x00) /* output register */
+#define AR531X_GPIO_DI (AR531X_GPIO + 0x04) /* intput register */
+#define AR531X_GPIO_CR (AR531X_GPIO + 0x08) /* control register */
+
+/* GPIO Control Register bit field definitions */
+#define AR531X_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */
+#define AR531X_GPIO_CR_O(x) (0 << (x)) /* mask for output */
+#define AR531X_GPIO_CR_I(x) (1 << (x)) /* mask for input */
+#define AR531X_GPIO_CR_INT(x) (1 << ((x)+8)) /* mask for interrupt */
+#define AR531X_GPIO_CR_UART(x) (1 << ((x)+16)) /* uart multiplex */
+
+#endif
+
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
+ * Copyright (C) 2006 FON Technology, SL.
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ */
+
+/*
+ * Platform devices for Atheros SoCs
+ */
+
+#include <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <asm/bootinfo.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include "../ar531x.h"
+
+#define NO_PHY 0x1f
+
+static int is_5312 = 0;
+static struct platform_device *ar5312_devs[5];
+
+static struct resource ar5312_eth0_res[] = {
+ {
+ .name = "eth0_membase",
+ .flags = IORESOURCE_MEM,
+ .start = KSEG1ADDR(AR531X_ENET0),
+ .end = KSEG1ADDR(AR531X_ENET0 + 0x2000),
+ },
+ {
+ .name = "eth0_irq",
+ .flags = IORESOURCE_IRQ,
+ .start = AR5312_IRQ_ENET0_INTRS,
+ .end = AR5312_IRQ_ENET0_INTRS,
+ },
+};
+static struct ar531x_eth ar5312_eth0_data = {
+ .phy = NO_PHY,
+ .mac = 0,
+ .reset_base = AR531X_RESET,
+ .reset_mac = AR531X_RESET_ENET0,
+ .reset_phy = AR531X_RESET_EPHY0,
+ .phy_base = KSEG1ADDR(AR531X_ENET0),
+};
+
+static struct resource ar5312_eth1_res[] = {
+ {
+ .name = "eth1_membase",
+ .flags = IORESOURCE_MEM,
+ .start = KSEG1ADDR(AR531X_ENET1),
+ .end = KSEG1ADDR(AR531X_ENET1 + 0x2000),
+ },
+ {
+ .name = "eth1_irq",
+ .flags = IORESOURCE_IRQ,
+ .start = AR5312_IRQ_ENET1_INTRS,
+ .end = AR5312_IRQ_ENET1_INTRS,
+ },
+};
+static struct ar531x_eth ar5312_eth1_data = {
+ .phy = NO_PHY,
+ .mac = 1,
+ .reset_base = AR531X_RESET,
+ .reset_mac = AR531X_RESET_ENET1,
+ .reset_phy = AR531X_RESET_EPHY1,
+ .phy_base = KSEG1ADDR(AR531X_ENET1),
+};
+
+static struct platform_device ar5312_eth[] = {
+ {
+ .id = 0,
+ .name = "ar531x-eth",
+ .dev.platform_data = &ar5312_eth0_data,
+ .resource = ar5312_eth0_res,
+ .num_resources = ARRAY_SIZE(ar5312_eth0_res)
+ },
+ {
+ .id = 1,
+ .name = "ar531x-eth",
+ .dev.platform_data = &ar5312_eth1_data,
+ .resource = ar5312_eth1_res,
+ .num_resources = ARRAY_SIZE(ar5312_eth1_res)
+ },
+};
+
+
+/*
+ * AR2312/3 ethernet uses the PHY of ENET0, but the MAC
+ * of ENET1. Atheros calls it 'twisted' for a reason :)
+ */
+static struct resource ar231x_eth0_res[] = {
+ {
+ .name = "eth0_membase",
+ .flags = IORESOURCE_MEM,
+ .start = KSEG1ADDR(AR531X_ENET1),
+ .end = KSEG1ADDR(AR531X_ENET1 + 0x2000),
+ },
+ {
+ .name = "eth0_irq",
+ .flags = IORESOURCE_IRQ,
+ .start = AR5312_IRQ_ENET1_INTRS,
+ .end = AR5312_IRQ_ENET1_INTRS,
+ },
+};
+static struct ar531x_eth ar231x_eth0_data = {
+ .phy = 1,
+ .mac = 1,
+ .reset_base = AR531X_RESET,
+ .reset_mac = AR531X_RESET_ENET1,
+ .reset_phy = AR531X_RESET_EPHY1,
+ .phy_base = KSEG1ADDR(AR531X_ENET0),
+};
+static struct platform_device ar231x_eth0 = {
+ .id = 0,
+ .name = "ar531x-eth",
+ .dev.platform_data = &ar231x_eth0_data,
+ .resource = ar231x_eth0_res,
+ .num_resources = ARRAY_SIZE(ar231x_eth0_res)
+};
+
+
+static struct platform_device ar5312_wmac[] = {
+ {
+ .id = 0,
+ .name = "ar531x-wmac",
+ },
+ {
+ .id = 1,
+ .name = "ar531x-wmac",
+ },
+};
+
+static struct physmap_flash_data ar5312_flash_data = {
+ .width = 2,
+};
+
+static struct resource ar5312_flash_resource = {
+ .start = AR531X_FLASH,
+ .end = AR531X_FLASH + 0x400000 - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device ar5312_physmap_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &ar5312_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &ar5312_flash_resource,
+};
+
+
+/*
+ * NB: This mapping size is larger than the actual flash size,
+ * but this shouldn't be a problem here, because the flash
+ * will simply be mapped multiple times.
+ */
+static char __init *ar5312_flash_limit(void)
+{
+ u32 ctl;
+ /*
+ * Configure flash bank 0.
+ * Assume 8M window size. Flash will be aliased if it's smaller
+ */
+ ctl = FLASHCTL_E |
+ FLASHCTL_AC_8M |
+ FLASHCTL_RBLE |
+ (0x01 << FLASHCTL_IDCY_S) |
+ (0x07 << FLASHCTL_WST1_S) |
+ (0x07 << FLASHCTL_WST2_S) |
+ (sysRegRead(AR531X_FLASHCTL0) & FLASHCTL_MW);
+
+ sysRegWrite(AR531X_FLASHCTL0, ctl);
+
+ /* Disable other flash banks */
+ sysRegWrite(AR531X_FLASHCTL1,
+ sysRegRead(AR531X_FLASHCTL1) & ~(FLASHCTL_E | FLASHCTL_AC));
+
+ sysRegWrite(AR531X_FLASHCTL2,
+ sysRegRead(AR531X_FLASHCTL2) & ~(FLASHCTL_E | FLASHCTL_AC));
+
+ return (char *) KSEG1ADDR(AR531X_FLASH + 0x800000);
+}
+
+static struct ar531x_config __init *init_wmac(int unit)
+{
+ struct ar531x_config *config;
+
+ config = (struct ar531x_config *) kzalloc(sizeof(struct ar531x_config), GFP_KERNEL);
+ config->board = board_config;
+ config->radio = radio_config;
+ config->unit = unit;
+ config->tag = (u_int16_t) ((sysRegRead(AR531X_REV) >> AR531X_REV_WMAC_MIN_S) & AR531X_REV_CHIP);
+
+ return config;
+}
+
+int __init ar5312_init_devices(void)
+{
+ struct ar531x_boarddata *bcfg;
+ char *radio, *c;
+ int dev = 0;
+ uint32_t fctl = 0;
+
+ if (!is_5312)
+ return 0;
+
+ /* Locate board/radio config data */
+ ar531x_find_config(ar5312_flash_limit());
+ bcfg = (struct ar531x_boarddata *) board_config;
+
+
+ /*
+ * Chip IDs and hardware detection for some Atheros
+ * models are really broken!
+ *
+ * Atheros uses a disabled WMAC0 and Silicon ID of AR5312
+ * as indication for AR2312, which is otherwise
+ * indistinguishable from the real AR5312.
+ */
+ if (radio_config) {
+ radio = radio_config + AR531X_RADIO_MASK_OFF;
+ if ((*((u32 *) radio) & AR531X_RADIO0_MASK) == 0)
+ bcfg->config |= BD_ISCASPER;
+ } else
+ radio = NULL;
+
+ /* AR2313 has CPU minor rev. 10 */
+ if ((current_cpu_data.processor_id & 0xff) == 0x0a)
+ mips_machtype = MACH_ATHEROS_AR2313;
+
+ /* AR2312 shares the same Silicon ID as AR5312 */
+ else if (bcfg->config & BD_ISCASPER)
+ mips_machtype = MACH_ATHEROS_AR2312;
+
+ /* Everything else is probably AR5312 or compatible */
+ else
+ mips_machtype = MACH_ATHEROS_AR5312;
+
+ ar5312_eth0_data.board_config = board_config;
+ ar5312_eth1_data.board_config = board_config;
+
+ /* fixup flash width */
+ fctl = sysRegRead(AR531X_FLASHCTL) & FLASHCTL_MW;
+ switch (fctl) {
+ case FLASHCTL_MWx16:
+ ar5312_flash_data.width = 2;
+ break;
+ case FLASHCTL_MWx8:
+ default:
+ ar5312_flash_data.width = 1;
+ break;
+ }
+
+ ar5312_devs[dev++] = &ar5312_physmap_flash;
+
+ if (!memcmp(bcfg->enet0Mac, "\xff\xff\xff\xff\xff\xff", 6))
+ memcpy(bcfg->enet0Mac, bcfg->enet1Mac, 6);
+
+ if (memcmp(bcfg->enet0Mac, bcfg->enet1Mac, 6) == 0) {
+ /* ENET0 and ENET1 have the same mac.
+ * Increment the one from ENET1 */
+ c = bcfg->enet1Mac + 5;
+ while ((c >= (char *) bcfg->enet1Mac) && !(++(*c)))
+ c--;
+ }
+
+ switch(mips_machtype) {
+ case MACH_ATHEROS_AR5312:
+ ar5312_eth0_data.macaddr = bcfg->enet0Mac;
+ ar5312_eth1_data.macaddr = bcfg->enet1Mac;
+ ar5312_devs[dev++] = &ar5312_eth[0];
+ ar5312_devs[dev++] = &ar5312_eth[1];
+ break;
+ case MACH_ATHEROS_AR2312:
+ case MACH_ATHEROS_AR2313:
+ ar231x_eth0_data.macaddr = bcfg->enet0Mac;
+ ar5312_devs[dev++] = &ar231x_eth0;
+ ar5312_flash_data.width = 1;
+ break;
+ }
+
+ if (radio) {
+ if (mips_machtype == MACH_ATHEROS_AR5312) {
+ if (*((u32 *) radio) & AR531X_RADIO0_MASK) {
+ ar5312_wmac[0].dev.platform_data = init_wmac(0);
+ ar5312_devs[dev++] = &ar5312_wmac[0];
+ }
+ }
+ if (*((u32 *) radio) & AR531X_RADIO1_MASK) {
+ ar5312_wmac[1].dev.platform_data = init_wmac(1);
+ ar5312_devs[dev++] = &ar5312_wmac[1];
+ }
+ }
+
+ return platform_add_devices(ar5312_devs, dev);
+}
+
+
+static void ar5312_halt(void)
+{
+ while (1);
+}
+
+static void ar5312_power_off(void)
+{
+ ar5312_halt();
+}
+
+
+static void ar5312_restart(char *command)
+{
+ /* reset the system */
+ for(;;) sysRegWrite(AR531X_RESET, AR531X_RESET_SYSTEM);
+}
+
+
+/*
+ * This table is indexed by bits 5..4 of the CLOCKCTL1 register
+ * to determine the predevisor value.
+ */
+static int __initdata CLOCKCTL1_PREDIVIDE_TABLE[4] = {
+ 1,
+ 2,
+ 4,
+ 5
+};
+
+
+static unsigned int __init ar5312_cpu_frequency(void)
+{
+ unsigned int result;
+ unsigned int predivide_mask, predivide_shift;
+ unsigned int multiplier_mask, multiplier_shift;
+ unsigned int clockCtl1, preDivideSelect, preDivisor, multiplier;
+ unsigned int doubler_mask;
+ unsigned int wisoc_revision;
+
+ /* Trust the bootrom's idea of cpu frequency. */
+ if ((result = sysRegRead(AR5312_SCRATCH)))
+ return result;
+
+ wisoc_revision = (sysRegRead(AR531X_REV) & AR531X_REV_MAJ) >> AR531X_REV_MAJ_S;
+ if (wisoc_revision == AR531X_REV_MAJ_AR2313) {
+ predivide_mask = AR2313_CLOCKCTL1_PREDIVIDE_MASK;
+ predivide_shift = AR2313_CLOCKCTL1_PREDIVIDE_SHIFT;
+ multiplier_mask = AR2313_CLOCKCTL1_MULTIPLIER_MASK;
+ multiplier_shift = AR2313_CLOCKCTL1_MULTIPLIER_SHIFT;
+ doubler_mask = AR2313_CLOCKCTL1_DOUBLER_MASK;
+ } else { /* AR5312 and AR2312 */
+ predivide_mask = AR5312_CLOCKCTL1_PREDIVIDE_MASK;
+ predivide_shift = AR5312_CLOCKCTL1_PREDIVIDE_SHIFT;
+ multiplier_mask = AR5312_CLOCKCTL1_MULTIPLIER_MASK;
+ multiplier_shift = AR5312_CLOCKCTL1_MULTIPLIER_SHIFT;
+ doubler_mask = AR5312_CLOCKCTL1_DOUBLER_MASK;
+ }
+
+ /*
+ * Clocking is derived from a fixed 40MHz input clock.
+ *
+ * cpuFreq = InputClock * MULT (where MULT is PLL multiplier)
+ * sysFreq = cpuFreq / 4 (used for APB clock, serial,
+ * flash, Timer, Watchdog Timer)
+ *
+ * cntFreq = cpuFreq / 2 (use for CPU count/compare)
+ *
+ * So, for example, with a PLL multiplier of 5, we have
+ *
+ * cpuFreq = 200MHz
+ * sysFreq = 50MHz
+ * cntFreq = 100MHz
+ *
+ * We compute the CPU frequency, based on PLL settings.
+ */
+
+ clockCtl1 = sysRegRead(AR5312_CLOCKCTL1);
+ preDivideSelect = (clockCtl1 & predivide_mask) >> predivide_shift;
+ preDivisor = CLOCKCTL1_PREDIVIDE_TABLE[preDivideSelect];
+ multiplier = (clockCtl1 & multiplier_mask) >> multiplier_shift;
+
+ if (clockCtl1 & doubler_mask) {
+ multiplier = multiplier << 1;
+ }
+ return (40000000 / preDivisor) * multiplier;
+}
+
+static inline int ar5312_sys_frequency(void)
+{
+ return ar5312_cpu_frequency() / 4;
+}
+
+static void __init ar5312_time_init(void)
+{
+ mips_hpt_frequency = ar5312_cpu_frequency() / 2;
+}
+
+
+void __init ar5312_prom_init(void)
+{
+ u32 memsize, memcfg, bank0AC, bank1AC;
+
+ is_5312 = 1;
+
+ /* Detect memory size */
+ memcfg = sysRegRead(AR531X_MEM_CFG1);
+ bank0AC = (memcfg & MEM_CFG1_AC0) >> MEM_CFG1_AC0_S;
+ bank1AC = (memcfg & MEM_CFG1_AC1) >> MEM_CFG1_AC1_S;
+ memsize = (bank0AC ? (1 << (bank0AC+1)) : 0)
+ + (bank1AC ? (1 << (bank1AC+1)) : 0);
+ memsize <<= 20;
+ add_memory_region(0, memsize, BOOT_MEM_RAM);
+
+ /* Initialize it to AR5312 for now. Real detection will be done
+ * in ar5312_init_devices() */
+ mips_machtype = MACH_ATHEROS_AR5312;
+}
+
+void __init ar5312_plat_setup(void)
+{
+ /* Clear any lingering AHB errors */
+ sysRegRead(AR531X_PROCADDR);
+ sysRegRead(AR531X_DMAADDR);
+ sysRegWrite(AR531X_WD_CTRL, AR531X_WD_CTRL_IGNORE_EXPIRATION);
+
+ board_time_init = ar5312_time_init;
+
+ _machine_restart = ar5312_restart;
+ _machine_halt = ar5312_halt;
+ pm_power_off = ar5312_power_off;
+
+ serial_setup(KSEG1ADDR(AR531X_UART0), ar5312_sys_frequency());
+}
+
+arch_initcall(ar5312_init_devices);
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
+ * Copyright (C) 2006 FON Technology, SL.
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ */
+
+/*
+ * Platform devices for Atheros SoCs
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <asm/bootinfo.h>
+#include <asm/time.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include "../ar531x.h"
+
+/*
+ * Called when an interrupt is received, this function
+ * determines exactly which interrupt it was, and it
+ * invokes the appropriate handler.
+ *
+ * Implicitly, we also define interrupt priority by
+ * choosing which to dispatch first.
+ */
+asmlinkage void ar5312_irq_dispatch(void)
+{
+ int pending = read_c0_status() & read_c0_cause();
+
+ if (pending & CAUSEF_IP2)
+ do_IRQ(AR5312_IRQ_WLAN0_INTRS);
+ else if (pending & CAUSEF_IP3)
+ do_IRQ(AR5312_IRQ_ENET0_INTRS);
+ else if (pending & CAUSEF_IP4)
+ do_IRQ(AR5312_IRQ_ENET1_INTRS);
+ else if (pending & CAUSEF_IP5)
+ do_IRQ(AR5312_IRQ_WLAN1_INTRS);
+ else if (pending & CAUSEF_IP6) {
+ unsigned int ar531x_misc_intrs = sysRegRead(AR531X_ISR) & sysRegRead(AR531X_IMR);
+
+ if (ar531x_misc_intrs & AR531X_ISR_TIMER) {
+ do_IRQ(AR531X_MISC_IRQ_TIMER);
+ (void)sysRegRead(AR531X_TIMER);
+ } else if (ar531x_misc_intrs & AR531X_ISR_AHBPROC)
+ do_IRQ(AR531X_MISC_IRQ_AHB_PROC);
+ else if ((ar531x_misc_intrs & AR531X_ISR_UART0))
+ do_IRQ(AR531X_MISC_IRQ_UART0);
+ else if (ar531x_misc_intrs & AR531X_ISR_WD)
+ do_IRQ(AR531X_MISC_IRQ_WATCHDOG);
+ else
+ do_IRQ(AR531X_MISC_IRQ_NONE);
+ } else if (pending & CAUSEF_IP7) {
+ do_IRQ(AR531X_IRQ_CPU_CLOCK);
+ }
+ else
+ do_IRQ(AR531X_IRQ_NONE);
+}
+
+
+/* Enable the specified AR531X_MISC_IRQ interrupt */
+static void
+ar5312_misc_intr_enable(unsigned int irq)
+{
+ unsigned int imr;
+
+ imr = sysRegRead(AR531X_IMR);
+ imr |= (1 << (irq - AR531X_MISC_IRQ_BASE - 1));
+ sysRegWrite(AR531X_IMR, imr);
+ sysRegRead(AR531X_IMR); /* flush write buffer */
+}
+
+/* Disable the specified AR531X_MISC_IRQ interrupt */
+static void
+ar5312_misc_intr_disable(unsigned int irq)
+{
+ unsigned int imr;
+
+ imr = sysRegRead(AR531X_IMR);
+ imr &= ~(1 << (irq - AR531X_MISC_IRQ_BASE - 1));
+ sysRegWrite(AR531X_IMR, imr);
+ sysRegRead(AR531X_IMR); /* flush write buffer */
+}
+
+/* Turn on the specified AR531X_MISC_IRQ interrupt */
+static unsigned int
+ar5312_misc_intr_startup(unsigned int irq)
+{
+ ar5312_misc_intr_enable(irq);
+ return 0;
+}
+
+/* Turn off the specified AR531X_MISC_IRQ interrupt */
+static void
+ar5312_misc_intr_shutdown(unsigned int irq)
+{
+ ar5312_misc_intr_disable(irq);
+}
+
+static void
+ar5312_misc_intr_ack(unsigned int irq)
+{
+ ar5312_misc_intr_disable(irq);
+}
+
+static void
+ar5312_misc_intr_end(unsigned int irq)
+{
+ if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+ ar5312_misc_intr_enable(irq);
+}
+
+static struct irq_chip ar5312_misc_intr_controller = {
+ .typename = "AR5312 misc",
+ .startup = ar5312_misc_intr_startup,
+ .shutdown = ar5312_misc_intr_shutdown,
+ .enable = ar5312_misc_intr_enable,
+ .disable = ar5312_misc_intr_disable,
+ .ack = ar5312_misc_intr_ack,
+ .end = ar5312_misc_intr_end,
+};
+
+static irqreturn_t ar5312_ahb_proc_handler(int cpl, void *dev_id)
+{
+ u32 proc1 = sysRegRead(AR531X_PROC1);
+ u32 procAddr = sysRegRead(AR531X_PROCADDR); /* clears error state */
+ u32 dma1 = sysRegRead(AR531X_DMA1);
+ u32 dmaAddr = sysRegRead(AR531X_DMAADDR); /* clears error state */
+
+ printk("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n",
+ procAddr, proc1, dmaAddr, dma1);
+
+ machine_restart("AHB error"); /* Catastrophic failure */
+ return IRQ_HANDLED;
+}
+
+
+static struct irqaction ar5312_ahb_proc_interrupt = {
+ .handler = ar5312_ahb_proc_handler,
+ .flags = SA_INTERRUPT,
+ .name = "ar5312_ahb_proc_interrupt",
+};
+
+
+static struct irqaction cascade = {
+ .handler = no_action,
+ .flags = SA_INTERRUPT,
+ .name = "cascade",
+};
+
+void __init ar5312_misc_intr_init(int irq_base)
+{
+ int i;
+
+ for (i = irq_base; i < irq_base + AR531X_MISC_IRQ_COUNT; i++) {
+ irq_desc[i].status = IRQ_DISABLED;
+ irq_desc[i].action = NULL;
+ irq_desc[i].depth = 1;
+ irq_desc[i].chip = &ar5312_misc_intr_controller;
+ }
+ setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar5312_ahb_proc_interrupt);
+ setup_irq(AR5312_IRQ_MISC_INTRS, &cascade);
+}
+
+
+++ /dev/null
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
- * Copyright (C) 2006 FON Technology, SL.
- * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- */
-
-/*
- * Platform devices for Atheros SoCs
- */
-
-#include <linux/autoconf.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/platform_device.h>
-#include <linux/kernel.h>
-#include <linux/reboot.h>
-#include <asm/bootinfo.h>
-#include <asm/reboot.h>
-#include <asm/time.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include "ar531x.h"
-
-static int is_5315 = 0;
-static struct resource ar5315_eth_res[] = {
- {
- .name = "eth0_membase",
- .flags = IORESOURCE_MEM,
- .start = AR5315_ENET0,
- .end = AR5315_ENET0 + 0x2000,
- },
- {
- .name = "eth0_irq",
- .flags = IORESOURCE_IRQ,
- .start = AR5315_IRQ_ENET0_INTRS,
- .end = AR5315_IRQ_ENET0_INTRS,
- },
-};
-
-static struct ar531x_eth ar5315_eth_data = {
- .phy = 1,
- .mac = 0,
- .reset_base = AR5315_RESET,
- .reset_mac = AR5315_RESET_ENET0,
- .reset_phy = AR5315_RESET_EPHY0,
- .phy_base = AR5315_ENET0
-};
-
-static struct platform_device ar5315_eth = {
- .id = 0,
- .name = "ar531x-eth",
- .dev.platform_data = &ar5315_eth_data,
- .resource = ar5315_eth_res,
- .num_resources = ARRAY_SIZE(ar5315_eth_res)
-};
-
-static struct platform_device ar5315_wmac = {
- .id = 0,
- .name = "ar531x-wmac",
- /* FIXME: add resources */
-};
-
-static struct resource ar5315_spiflash_res[] = {
- {
- .name = "flash_base",
- .flags = IORESOURCE_MEM,
- .start = KSEG1ADDR(AR5315_SPI_READ),
- .end = KSEG1ADDR(AR5315_SPI_READ) + 0x800000,
- },
- {
- .name = "flash_regs",
- .flags = IORESOURCE_MEM,
- .start = 0x11300000,
- .end = 0x11300012,
- },
-};
-
-static struct platform_device ar5315_spiflash = {
- .id = 0,
- .name = "spiflash",
- .resource = ar5315_spiflash_res,
- .num_resources = ARRAY_SIZE(ar5315_spiflash_res)
-};
-
-static __initdata struct platform_device *ar5315_devs[4];
-
-
-
-static void *flash_regs;
-
-static inline __u32 spiflash_regread32(int reg)
-{
- volatile __u32 *data = (__u32 *)(flash_regs + reg);
-
- return (*data);
-}
-
-static inline void spiflash_regwrite32(int reg, __u32 data)
-{
- volatile __u32 *addr = (__u32 *)(flash_regs + reg);
-
- *addr = data;
-}
-
-#define SPI_FLASH_CTL 0x00
-#define SPI_FLASH_OPCODE 0x04
-#define SPI_FLASH_DATA 0x08
-
-static __u8 spiflash_probe(void)
-{
- __u32 reg;
-
- do {
- reg = spiflash_regread32(SPI_FLASH_CTL);
- } while (reg & SPI_CTL_BUSY);
-
- spiflash_regwrite32(SPI_FLASH_OPCODE, 0xab);
-
- reg = (reg & ~SPI_CTL_TX_RX_CNT_MASK) | 4 |
- (1 << 4) | SPI_CTL_START;
-
- spiflash_regwrite32(SPI_FLASH_CTL, reg);
-
- do {
- reg = spiflash_regread32(SPI_FLASH_CTL);
- } while (reg & SPI_CTL_BUSY);
-
- reg = (__u32) spiflash_regread32(SPI_FLASH_DATA);
- reg &= 0xff;
-
- return (u8) reg;
-}
-
-
-#define STM_8MBIT_SIGNATURE 0x13
-#define STM_16MBIT_SIGNATURE 0x14
-#define STM_32MBIT_SIGNATURE 0x15
-#define STM_64MBIT_SIGNATURE 0x16
-#define STM_128MBIT_SIGNATURE 0x17
-
-
-static char __init *ar5315_flash_limit(void)
-{
- u8 sig;
- u32 flash_size = 0;
-
- /* probe the flash chip size */
- flash_regs = ioremap_nocache(ar5315_spiflash_res[1].start, ar5315_spiflash_res[1].end - ar5315_spiflash_res[1].start);
- sig = spiflash_probe();
- iounmap(flash_regs);
-
- switch(sig) {
- case STM_8MBIT_SIGNATURE:
- flash_size = 0x00100000;
- break;
- case STM_16MBIT_SIGNATURE:
- flash_size = 0x00200000;
- break;
- case STM_32MBIT_SIGNATURE:
- flash_size = 0x00400000;
- break;
- case STM_64MBIT_SIGNATURE:
- flash_size = 0x00800000;
- break;
- case STM_128MBIT_SIGNATURE:
- flash_size = 0x01000000;
- break;
- }
-
- ar5315_spiflash_res[0].end = ar5315_spiflash_res[0].start + flash_size;
- return (char *) ar5315_spiflash_res[0].end;
-}
-
-int __init ar5315_init_devices(void)
-{
- struct ar531x_config *config;
- struct ar531x_boarddata *bcfg;
- u32 devid;
- int dev = 0;
-
- if (!is_5315)
- return 0;
-
- /* Find board configuration */
- ar531x_find_config(ar5315_flash_limit());
- bcfg = (struct ar531x_boarddata *) board_config;
-
-#if 0
- /* Detect the hardware based on the device ID */
- devid = sysRegRead(AR5315_SREV) & AR5315_REV_MAJ >> AR5315_REV_MAJ_S;
- switch(devid) {
- case 0x9:
- mips_machtype = MACH_ATHEROS_AR2317;
- break;
- /* FIXME: how can we detect AR2316? */
- case 0x8:
- default:
- mips_machtype = MACH_ATHEROS_AR2315;
- break;
- }
-#endif
-
- config = (struct ar531x_config *) kzalloc(sizeof(struct ar531x_config), GFP_KERNEL);
- config->board = board_config;
- config->radio = radio_config;
- config->unit = 0;
- config->tag = (u_int16_t) (sysRegRead(AR5315_SREV) & AR5315_REV_CHIP);
-
- ar5315_eth_data.board_config = board_config;
- ar5315_eth_data.macaddr = bcfg->enet0Mac;
- ar5315_wmac.dev.platform_data = config;
-
- ar5315_devs[dev++] = &ar5315_eth;
- ar5315_devs[dev++] = &ar5315_wmac;
- ar5315_devs[dev++] = &ar5315_spiflash;
-
- return platform_add_devices(ar5315_devs, dev);
-}
-
-
-/*
- * Called when an interrupt is received, this function
- * determines exactly which interrupt it was, and it
- * invokes the appropriate handler.
- *
- * Implicitly, we also define interrupt priority by
- * choosing which to dispatch first.
- */
-asmlinkage void ar5315_irq_dispatch(void)
-{
- int pending = read_c0_status() & read_c0_cause();
-
- if (pending & CAUSEF_IP3)
- do_IRQ(AR5315_IRQ_WLAN0_INTRS);
- else if (pending & CAUSEF_IP4)
- do_IRQ(AR5315_IRQ_ENET0_INTRS);
- else if (pending & CAUSEF_IP2) {
- unsigned int ar531x_misc_intrs = sysRegRead(AR5315_ISR) & sysRegRead(AR5315_IMR);
-
- if (ar531x_misc_intrs & AR5315_ISR_TIMER)
- do_IRQ(AR531X_MISC_IRQ_TIMER);
- else if (ar531x_misc_intrs & AR5315_ISR_AHB)
- do_IRQ(AR531X_MISC_IRQ_AHB_PROC);
- else if (ar531x_misc_intrs & AR5315_ISR_GPIO) {
- sysRegWrite(AR5315_ISR, sysRegRead(AR5315_IMR) | ~AR5315_ISR_GPIO);
- } else if (ar531x_misc_intrs & AR5315_ISR_UART0)
- do_IRQ(AR531X_MISC_IRQ_UART0);
- else if (ar531x_misc_intrs & AR5315_ISR_WD)
- do_IRQ(AR531X_MISC_IRQ_WATCHDOG);
- else
- do_IRQ(AR531X_MISC_IRQ_NONE);
- } else if (pending & CAUSEF_IP7)
- do_IRQ(AR531X_IRQ_CPU_CLOCK);
- else
- do_IRQ(AR531X_IRQ_NONE);
-}
-
-static void ar5315_halt(void)
-{
- while (1);
-}
-
-static void ar5315_power_off(void)
-{
- ar5315_halt();
-}
-
-
-static void ar5315_restart(char *command)
-{
- unsigned int reg;
- for(;;) {
-
- /* reset the system */
- sysRegWrite(AR5315_COLD_RESET,AR5317_RESET_SYSTEM);
-
- /*
- * Cold reset does not work on the AR2315/6, use the GPIO reset bits a workaround.
- */
-
- reg = sysRegRead(AR5315_GPIO_DO);
- reg &= ~(1 << AR5315_RESET_GPIO);
- sysRegWrite(AR5315_GPIO_DO, reg);
- (void)sysRegRead(AR5315_GPIO_DO); /* flush write to hardware */
- }
-}
-
-
-/*
- * This table is indexed by bits 5..4 of the CLOCKCTL1 register
- * to determine the predevisor value.
- */
-static int __initdata CLOCKCTL1_PREDIVIDE_TABLE[4] = {
- 1,
- 2,
- 4,
- 5
-};
-
-static int __initdata PLLC_DIVIDE_TABLE[5] = {
- 2,
- 3,
- 4,
- 6,
- 3
-};
-
-static unsigned int __init
-ar5315_sys_clk(unsigned int clockCtl)
-{
- unsigned int pllcCtrl,cpuDiv;
- unsigned int pllcOut,refdiv,fdiv,divby2;
- unsigned int clkDiv;
-
- pllcCtrl = sysRegRead(AR5315_PLLC_CTL);
- refdiv = (pllcCtrl & PLLC_REF_DIV_M) >> PLLC_REF_DIV_S;
- refdiv = CLOCKCTL1_PREDIVIDE_TABLE[refdiv];
- fdiv = (pllcCtrl & PLLC_FDBACK_DIV_M) >> PLLC_FDBACK_DIV_S;
- divby2 = (pllcCtrl & PLLC_ADD_FDBACK_DIV_M) >> PLLC_ADD_FDBACK_DIV_S;
- divby2 += 1;
- pllcOut = (40000000/refdiv)*(2*divby2)*fdiv;
-
-
- /* clkm input selected */
- switch(clockCtl & CPUCLK_CLK_SEL_M) {
- case 0:
- case 1:
- clkDiv = PLLC_DIVIDE_TABLE[(pllcCtrl & PLLC_CLKM_DIV_M) >> PLLC_CLKM_DIV_S];
- break;
- case 2:
- clkDiv = PLLC_DIVIDE_TABLE[(pllcCtrl & PLLC_CLKC_DIV_M) >> PLLC_CLKC_DIV_S];
- break;
- default:
- pllcOut = 40000000;
- clkDiv = 1;
- break;
- }
- cpuDiv = (clockCtl & CPUCLK_CLK_DIV_M) >> CPUCLK_CLK_DIV_S;
- cpuDiv = cpuDiv * 2 ?: 1;
- return (pllcOut/(clkDiv * cpuDiv));
-}
-
-static inline unsigned int ar5315_cpu_frequency(void)
-{
- return ar5315_sys_clk(sysRegRead(AR5315_CPUCLK));
-}
-
-static inline unsigned int ar5315_apb_frequency(void)
-{
- return ar5315_sys_clk(sysRegRead(AR5315_AMBACLK));
-}
-
-static void __init ar5315_time_init(void)
-{
- mips_hpt_frequency = ar5315_cpu_frequency() / 2;
-}
-
-
-
-/* Enable the specified AR531X_MISC_IRQ interrupt */
-static void
-ar5315_misc_intr_enable(unsigned int irq)
-{
- unsigned int imr;
-
- imr = sysRegRead(AR5315_IMR);
- switch(irq)
- {
- case AR531X_MISC_IRQ_TIMER:
- imr |= AR5315_ISR_TIMER;
- break;
-
- case AR531X_MISC_IRQ_AHB_PROC:
- imr |= AR5315_ISR_AHB;
- break;
-
- case AR531X_MISC_IRQ_AHB_DMA:
- imr |= 0/* ?? */;
- break;
-
- case AR531X_MISC_IRQ_GPIO:
- imr |= AR5315_ISR_GPIO;
- break;
-
- case AR531X_MISC_IRQ_UART0:
- imr |= AR5315_ISR_UART0;
- break;
-
-
- case AR531X_MISC_IRQ_WATCHDOG:
- imr |= AR5315_ISR_WD;
- break;
-
- case AR531X_MISC_IRQ_LOCAL:
- imr |= 0/* ?? */;
- break;
-
- }
- sysRegWrite(AR5315_IMR, imr);
- imr=sysRegRead(AR5315_IMR); /* flush write buffer */
-}
-
-/* Disable the specified AR531X_MISC_IRQ interrupt */
-static void
-ar5315_misc_intr_disable(unsigned int irq)
-{
- unsigned int imr;
-
- imr = sysRegRead(AR5315_IMR);
- switch(irq)
- {
- case AR531X_MISC_IRQ_TIMER:
- imr &= (~AR5315_ISR_TIMER);
- break;
-
- case AR531X_MISC_IRQ_AHB_PROC:
- imr &= (~AR5315_ISR_AHB);
- break;
-
- case AR531X_MISC_IRQ_AHB_DMA:
- imr &= 0/* ?? */;
- break;
-
- case AR531X_MISC_IRQ_GPIO:
- imr &= ~AR5315_ISR_GPIO;
- break;
-
- case AR531X_MISC_IRQ_UART0:
- imr &= (~AR5315_ISR_UART0);
- break;
-
- case AR531X_MISC_IRQ_WATCHDOG:
- imr &= (~AR5315_ISR_WD);
- break;
-
- case AR531X_MISC_IRQ_LOCAL:
- imr &= ~0/* ?? */;
- break;
-
- }
- sysRegWrite(AR5315_IMR, imr);
- sysRegRead(AR5315_IMR); /* flush write buffer */
-}
-
-/* Turn on the specified AR531X_MISC_IRQ interrupt */
-static unsigned int
-ar5315_misc_intr_startup(unsigned int irq)
-{
- ar5315_misc_intr_enable(irq);
- return 0;
-}
-
-/* Turn off the specified AR531X_MISC_IRQ interrupt */
-static void
-ar5315_misc_intr_shutdown(unsigned int irq)
-{
- ar5315_misc_intr_disable(irq);
-}
-
-static void
-ar5315_misc_intr_ack(unsigned int irq)
-{
- ar5315_misc_intr_disable(irq);
-}
-
-static void
-ar5315_misc_intr_end(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
- ar5315_misc_intr_enable(irq);
-}
-
-static struct irq_chip ar5315_misc_intr_controller = {
- .typename = "AR5315 misc",
- .startup = ar5315_misc_intr_startup,
- .shutdown = ar5315_misc_intr_shutdown,
- .enable = ar5315_misc_intr_enable,
- .disable = ar5315_misc_intr_disable,
- .ack = ar5315_misc_intr_ack,
- .end = ar5315_misc_intr_end,
-};
-
-static irqreturn_t ar5315_ahb_proc_handler(int cpl, void *dev_id)
-{
- sysRegWrite(AR5315_AHB_ERR0,AHB_ERROR_DET);
- sysRegRead(AR5315_AHB_ERR1);
-
- printk("AHB fatal error\n");
- machine_restart("AHB error"); /* Catastrophic failure */
-
- return IRQ_HANDLED;
-}
-
-static struct irqaction ar5315_ahb_proc_interrupt = {
- .handler = ar5315_ahb_proc_handler,
- .flags = SA_INTERRUPT,
- .name = "ar5315_ahb_proc_interrupt",
-};
-
-
-static struct irqaction cascade = {
- .handler = no_action,
- .flags = SA_INTERRUPT,
- .name = "cascade",
-};
-
-void ar5315_misc_intr_init(int irq_base)
-{
- int i;
-
- for (i = irq_base; i < irq_base + AR531X_MISC_IRQ_COUNT; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = NULL;
- irq_desc[i].depth = 1;
- irq_desc[i].chip = &ar5315_misc_intr_controller;
- }
- setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar5315_ahb_proc_interrupt);
- setup_irq(AR5315_IRQ_MISC_INTRS, &cascade);
-}
-
-void __init ar5315_prom_init(void)
-{
- u32 memsize, memcfg;
-
- is_5315 = 1;
- memcfg = sysRegRead(AR5315_MEM_CFG);
- memsize = 1 + ((memcfg & SDRAM_DATA_WIDTH_M) >> SDRAM_DATA_WIDTH_S);
- memsize <<= 1 + ((memcfg & SDRAM_COL_WIDTH_M) >> SDRAM_COL_WIDTH_S);
- memsize <<= 1 + ((memcfg & SDRAM_ROW_WIDTH_M) >> SDRAM_ROW_WIDTH_S);
- memsize <<= 3;
- add_memory_region(0, memsize, BOOT_MEM_RAM);
-
- /* Initialize it to AR2315 for now. Real detection will be done
- * in ar5315_init_devices() */
- mips_machtype = MACH_ATHEROS_AR2315;
-}
-
-void __init ar5315_plat_setup(void)
-{
- unsigned int config = read_c0_config();
-
- /* Clear any lingering AHB errors */
- write_c0_config(config & ~0x3);
- sysRegWrite(AR5315_AHB_ERR0,AHB_ERROR_DET);
- sysRegRead(AR5315_AHB_ERR1);
- sysRegWrite(AR5315_WDC, WDC_IGNORE_EXPIRATION);
-
- board_time_init = ar5315_time_init;
-
- _machine_restart = ar5315_restart;
- _machine_halt = ar5315_halt;
- pm_power_off = ar5315_power_off;
-
- serial_setup(KSEG1ADDR(AR5315_UART0), ar5315_apb_frequency());
-}
-
-arch_initcall(ar5315_init_devices);
+++ /dev/null
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
- * Copyright (C) 2006 FON Technology, SL.
- * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- */
-
-#ifndef AR5315_H
-#define AR5315_H
-
-/*
- * IRQs
- */
-#define AR5315_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */
-#define AR5315_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */
-#define AR5315_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */
-#define AR5315_IRQ_LCBUS_PCI MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */
-#define AR5315_IRQ_WLAN0_POLL MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */
-
-
-/*
- * Address map
- */
-#define AR5315_SDRAM0 0x00000000 /* DRAM */
-#define AR5315_SPI_READ 0x08000000 /* SPI FLASH */
-#define AR5315_WLAN0 0xB0000000 /* Wireless MMR */
-#define AR5315_PCI 0xB0100000 /* PCI MMR */
-#define AR5315_SDRAMCTL 0xB0300000 /* SDRAM MMR */
-#define AR5315_LOCAL 0xB0400000 /* LOCAL BUS MMR */
-#define AR5315_ENET0 0xB0500000 /* ETHERNET MMR */
-#define AR5315_DSLBASE 0xB1000000 /* RESET CONTROL MMR */
-#define AR5315_UART0 0xB1100003 /* UART MMR */
-#define AR5315_SPI 0xB1300000 /* SPI FLASH MMR */
-#define AR5315_FLASHBT 0xBfc00000 /* ro boot alias to FLASH */
-#define AR5315_RAM1 0x40000000 /* ram alias */
-#define AR5315_PCIEXT 0x80000000 /* pci external */
-#define AR5315_RAM2 0xc0000000 /* ram alias */
-#define AR5315_RAM3 0xe0000000 /* ram alias */
-
-/*
- * Reset Register
- */
-#define AR5315_COLD_RESET (AR5315_DSLBASE + 0x0000)
-
-/* Cold Reset */
-#define RESET_COLD_AHB 0x00000001
-#define RESET_COLD_APB 0x00000002
-#define RESET_COLD_CPU 0x00000004
-#define RESET_COLD_CPUWARM 0x00000008
-#define RESET_SYSTEM (RESET_COLD_CPU | RESET_COLD_APB | RESET_COLD_AHB) /* full system */
-
-#define AR5317_RESET_SYSTEM 0x00000010
-
-/* Warm Reset */
-
-#define AR5315_RESET (AR5315_DSLBASE + 0x0004)
-
-#define AR5315_RESET_WARM_WLAN0_MAC 0x00000001 /* warm reset WLAN0 MAC */
-#define AR5315_RESET_WARM_WLAN0_BB 0x00000002 /* warm reset WLAN0 BaseBand */
-#define AR5315_RESET_MPEGTS_RSVD 0x00000004 /* warm reset MPEG-TS */
-#define AR5315_RESET_PCIDMA 0x00000008 /* warm reset PCI ahb/dma */
-#define AR5315_RESET_MEMCTL 0x00000010 /* warm reset memory controller */
-#define AR5315_RESET_LOCAL 0x00000020 /* warm reset local bus */
-#define AR5315_RESET_I2C_RSVD 0x00000040 /* warm reset I2C bus */
-#define AR5315_RESET_SPI 0x00000080 /* warm reset SPI interface */
-#define AR5315_RESET_UART0 0x00000100 /* warm reset UART0 */
-#define AR5315_RESET_IR_RSVD 0x00000200 /* warm reset IR interface */
-#define AR5315_RESET_EPHY0 0x00000400 /* cold reset ENET0 phy */
-#define AR5315_RESET_ENET0 0x00000800 /* cold reset ENET0 mac */
-
-/*
- * AHB master arbitration control
- */
-#define AR5315_AHB_ARB_CTL (AR5315_DSLBASE + 0x0008)
-
-#define ARB_CPU 0x00000001 /* CPU, default */
-#define ARB_WLAN 0x00000002 /* WLAN */
-#define ARB_MPEGTS_RSVD 0x00000004 /* MPEG-TS */
-#define ARB_LOCAL 0x00000008 /* LOCAL */
-#define ARB_PCI 0x00000010 /* PCI */
-#define ARB_ETHERNET 0x00000020 /* Ethernet */
-#define ARB_RETRY 0x00000100 /* retry policy, debug only */
-
-/*
- * Config Register
- */
-#define AR5315_ENDIAN_CTL (AR5315_DSLBASE + 0x000c)
-
-#define AR5315_CONFIG_AHB 0x00000001 /* EC - AHB bridge endianess */
-#define AR5315_CONFIG_WLAN 0x00000002 /* WLAN byteswap */
-#define AR5315_CONFIG_MPEGTS_RSVD 0x00000004 /* MPEG-TS byteswap */
-#define AR5315_CONFIG_PCI 0x00000008 /* PCI byteswap */
-#define AR5315_CONFIG_MEMCTL 0x00000010 /* Memory controller endianess */
-#define AR5315_CONFIG_LOCAL 0x00000020 /* Local bus byteswap */
-#define AR5315_CONFIG_ETHERNET 0x00000040 /* Ethernet byteswap */
-
-#define AR5315_CONFIG_MERGE 0x00000200 /* CPU write buffer merge */
-#define AR5315_CONFIG_CPU 0x00000400 /* CPU big endian */
-#define AR5315_CONFIG_PCIAHB 0x00000800
-#define AR5315_CONFIG_PCIAHB_BRIDGE 0x00001000
-#define AR5315_CONFIG_SPI 0x00008000 /* SPI byteswap */
-#define AR5315_CONFIG_CPU_DRAM 0x00010000
-#define AR5315_CONFIG_CPU_PCI 0x00020000
-#define AR5315_CONFIG_CPU_MMR 0x00040000
-#define AR5315_CONFIG_BIG 0x00000400
-
-
-/*
- * NMI control
- */
-#define AR5315_NMI_CTL (AR5315_DSLBASE + 0x0010)
-
-#define NMI_EN 1
-
-/*
- * Revision Register - Initial value is 0x3010 (WMAC 3.0, AR531X 1.0).
- */
-#define AR5315_SREV (AR5315_DSLBASE + 0x0014)
-
-#define AR5315_REV_MAJ 0x00f0
-#define AR5315_REV_MAJ_S 4
-#define AR5315_REV_MIN 0x000f
-#define AR5315_REV_MIN_S 0
-#define AR5315_REV_CHIP (AR5315_REV_MAJ|AR5315_REV_MIN)
-
-/*
- * Interface Enable
- */
-#define AR5315_IF_CTL (AR5315_DSLBASE + 0x0018)
-
-#define IF_MASK 0x00000007
-#define IF_DISABLED 0
-#define IF_PCI 1
-#define IF_TS_LOCAL 2
-#define IF_ALL 3 /* only for emulation with separate pins */
-#define IF_LOCAL_HOST 0x00000008
-#define IF_PCI_HOST 0x00000010
-#define IF_PCI_INTR 0x00000020
-#define IF_PCI_CLK_MASK 0x00030000
-#define IF_PCI_CLK_INPUT 0
-#define IF_PCI_CLK_OUTPUT_LOW 1
-#define IF_PCI_CLK_OUTPUT_CLK 2
-#define IF_PCI_CLK_OUTPUT_HIGH 3
-#define IF_PCI_CLK_SHIFT 16
-
-
-/* Major revision numbers, bits 7..4 of Revision ID register */
-#define REV_MAJ_AR5311 0x01
-#define REV_MAJ_AR5312 0x04
-#define REV_MAJ_AR5315 0x0B
-
-/*
- * APB Interrupt control
- */
-
-#define AR5315_ISR (AR5315_DSLBASE + 0x0020)
-#define AR5315_IMR (AR5315_DSLBASE + 0x0024)
-#define AR5315_GISR (AR5315_DSLBASE + 0x0028)
-
-#define AR5315_ISR_UART0 0x0001 /* high speed UART */
-#define AR5315_ISR_I2C_RSVD 0x0002 /* I2C bus */
-#define AR5315_ISR_SPI 0x0004 /* SPI bus */
-#define AR5315_ISR_AHB 0x0008 /* AHB error */
-#define AR5315_ISR_APB 0x0010 /* APB error */
-#define AR5315_ISR_TIMER 0x0020 /* timer */
-#define AR5315_ISR_GPIO 0x0040 /* GPIO */
-#define AR5315_ISR_WD 0x0080 /* watchdog */
-#define AR5315_ISR_IR_RSVD 0x0100 /* IR */
-
-#define AR5315_GISR_MISC 0x0001
-#define AR5315_GISR_WLAN0 0x0002
-#define AR5315_GISR_MPEGTS_RSVD 0x0004
-#define AR5315_GISR_LOCALPCI 0x0008
-#define AR5315_GISR_WMACPOLL 0x0010
-#define AR5315_GISR_TIMER 0x0020
-#define AR5315_GISR_ETHERNET 0x0040
-
-/*
- * Interrupt routing from IO to the processor IP bits
- * Define our inter mask and level
- */
-#define AR5315_INTR_MISCIO SR_IBIT3
-#define AR5315_INTR_WLAN0 SR_IBIT4
-#define AR5315_INTR_ENET0 SR_IBIT5
-#define AR5315_INTR_LOCALPCI SR_IBIT6
-#define AR5315_INTR_WMACPOLL SR_IBIT7
-#define AR5315_INTR_COMPARE SR_IBIT8
-
-/*
- * Timers
- */
-#define AR5315_TIMER (AR5315_DSLBASE + 0x0030)
-#define AR5315_RELOAD (AR5315_DSLBASE + 0x0034)
-#define AR5315_WD (AR5315_DSLBASE + 0x0038)
-#define AR5315_WDC (AR5315_DSLBASE + 0x003c)
-
-#define WDC_RESET 0x00000002 /* reset on watchdog */
-#define WDC_NMI 0x00000001 /* NMI on watchdog */
-#define WDC_IGNORE_EXPIRATION 0x00000000
-
-/*
- * CPU Performance Counters
- */
-#define AR5315_PERFCNT0 (AR5315_DSLBASE + 0x0048)
-#define AR5315_PERFCNT1 (AR5315_DSLBASE + 0x004c)
-
-#define PERF_DATAHIT 0x0001 /* Count Data Cache Hits */
-#define PERF_DATAMISS 0x0002 /* Count Data Cache Misses */
-#define PERF_INSTHIT 0x0004 /* Count Instruction Cache Hits */
-#define PERF_INSTMISS 0x0008 /* Count Instruction Cache Misses */
-#define PERF_ACTIVE 0x0010 /* Count Active Processor Cycles */
-#define PERF_WBHIT 0x0020 /* Count CPU Write Buffer Hits */
-#define PERF_WBMISS 0x0040 /* Count CPU Write Buffer Misses */
-
-#define PERF_EB_ARDY 0x0001 /* Count EB_ARdy signal */
-#define PERF_EB_AVALID 0x0002 /* Count EB_AValid signal */
-#define PERF_EB_WDRDY 0x0004 /* Count EB_WDRdy signal */
-#define PERF_EB_RDVAL 0x0008 /* Count EB_RdVal signal */
-#define PERF_VRADDR 0x0010 /* Count valid read address cycles */
-#define PERF_VWADDR 0x0020 /* Count valid write address cycles */
-#define PERF_VWDATA 0x0040 /* Count valid write data cycles */
-
-/*
- * AHB Error Reporting.
- */
-#define AR5315_AHB_ERR0 (AR5315_DSLBASE + 0x0050) /* error */
-#define AR5315_AHB_ERR1 (AR5315_DSLBASE + 0x0054) /* haddr */
-#define AR5315_AHB_ERR2 (AR5315_DSLBASE + 0x0058) /* hwdata */
-#define AR5315_AHB_ERR3 (AR5315_DSLBASE + 0x005c) /* hrdata */
-#define AR5315_AHB_ERR4 (AR5315_DSLBASE + 0x0060) /* status */
-
-#define AHB_ERROR_DET 1 /* AHB Error has been detected, */
- /* write 1 to clear all bits in ERR0 */
-#define AHB_ERROR_OVR 2 /* AHB Error overflow has been detected */
-#define AHB_ERROR_WDT 4 /* AHB Error due to wdt instead of hresp */
-
-#define PROCERR_HMAST 0x0000000f
-#define PROCERR_HMAST_DFLT 0
-#define PROCERR_HMAST_WMAC 1
-#define PROCERR_HMAST_ENET 2
-#define PROCERR_HMAST_PCIENDPT 3
-#define PROCERR_HMAST_LOCAL 4
-#define PROCERR_HMAST_CPU 5
-#define PROCERR_HMAST_PCITGT 6
-
-#define PROCERR_HMAST_S 0
-#define PROCERR_HWRITE 0x00000010
-#define PROCERR_HSIZE 0x00000060
-#define PROCERR_HSIZE_S 5
-#define PROCERR_HTRANS 0x00000180
-#define PROCERR_HTRANS_S 7
-#define PROCERR_HBURST 0x00000e00
-#define PROCERR_HBURST_S 9
-
-
-
-/*
- * Clock Control
- */
-#define AR5315_PLLC_CTL (AR5315_DSLBASE + 0x0064)
-#define AR5315_PLLV_CTL (AR5315_DSLBASE + 0x0068)
-#define AR5315_CPUCLK (AR5315_DSLBASE + 0x006c)
-#define AR5315_AMBACLK (AR5315_DSLBASE + 0x0070)
-#define AR5315_SYNCCLK (AR5315_DSLBASE + 0x0074)
-#define AR5315_DSL_SLEEP_CTL (AR5315_DSLBASE + 0x0080)
-#define AR5315_DSL_SLEEP_DUR (AR5315_DSLBASE + 0x0084)
-
-/* PLLc Control fields */
-#define PLLC_REF_DIV_M 0x00000003
-#define PLLC_REF_DIV_S 0
-#define PLLC_FDBACK_DIV_M 0x0000007C
-#define PLLC_FDBACK_DIV_S 2
-#define PLLC_ADD_FDBACK_DIV_M 0x00000080
-#define PLLC_ADD_FDBACK_DIV_S 7
-#define PLLC_CLKC_DIV_M 0x0001c000
-#define PLLC_CLKC_DIV_S 14
-#define PLLC_CLKM_DIV_M 0x00700000
-#define PLLC_CLKM_DIV_S 20
-
-/* CPU CLK Control fields */
-#define CPUCLK_CLK_SEL_M 0x00000003
-#define CPUCLK_CLK_SEL_S 0
-#define CPUCLK_CLK_DIV_M 0x0000000c
-#define CPUCLK_CLK_DIV_S 2
-
-/* AMBA CLK Control fields */
-#define AMBACLK_CLK_SEL_M 0x00000003
-#define AMBACLK_CLK_SEL_S 0
-#define AMBACLK_CLK_DIV_M 0x0000000c
-#define AMBACLK_CLK_DIV_S 2
-
-#if defined(COBRA_EMUL)
-#define AR5315_AMBA_CLOCK_RATE 20000000
-#define AR5315_CPU_CLOCK_RATE 40000000
-#else
-#if defined(DEFAULT_PLL)
-#define AR5315_AMBA_CLOCK_RATE 40000000
-#define AR5315_CPU_CLOCK_RATE 40000000
-#else
-#define AR5315_AMBA_CLOCK_RATE 92000000
-#define AR5315_CPU_CLOCK_RATE 184000000
-#endif /* ! DEFAULT_PLL */
-#endif /* ! COBRA_EMUL */
-
-#define AR5315_UART_CLOCK_RATE AR5315_AMBA_CLOCK_RATE
-#define AR5315_SDRAM_CLOCK_RATE AR5315_AMBA_CLOCK_RATE
-
-/*
- * The UART computes baud rate as:
- * baud = clock / (16 * divisor)
- * where divisor is specified as a High Byte (DLM) and a Low Byte (DLL).
- */
-#define DESIRED_BAUD_RATE 38400
-
-
-#define CLOCKCTL_UART0 0x0010 /* enable UART0 external clock */
-
-
- /*
- * Applicable "PCICFG" bits for WLAN(s). Assoc status and LED mode.
- */
-#define ASSOC_STATUS_M 0x00000003
-#define ASSOC_STATUS_NONE 0
-#define ASSOC_STATUS_PENDING 1
-#define ASSOC_STATUS_ASSOCIATED 2
-#define LED_MODE_M 0x0000001c
-#define LED_BLINK_THRESHOLD_M 0x000000e0
-#define LED_SLOW_BLINK_MODE 0x00000100
-
-/*
- * GPIO
- */
-
-#define AR5315_GPIO_DI (AR5315_DSLBASE + 0x0088)
-#define AR5315_GPIO_DO (AR5315_DSLBASE + 0x0090)
-#define AR5315_GPIO_CR (AR5315_DSLBASE + 0x0098)
-#define AR5315_GPIO_INT (AR5315_DSLBASE + 0x00a0)
-
-#define AR5315_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */
-#define AR5315_GPIO_CR_O(x) (1 << (x)) /* output */
-#define AR5315_GPIO_CR_I(x) (0 << (x)) /* input */
-
-#define AR5315_GPIO_INT_S(x,Y) ((x) << (8 * (Y))) /* interrupt enable */
-#define AR5315_GPIO_INT_M(Y) ((0x3F) << (8 * (Y))) /* mask for int */
-#define AR5315_GPIO_INT_LVL(x,Y) ((x) << (8 * (Y) + 6)) /* interrupt level */
-#define AR5315_GPIO_INT_LVL_M(Y) ((0x3) << (8 * (Y) + 6)) /* mask for int level */
-
-#define AR5315_RESET_GPIO 5
-#define AR5315_NUM_GPIO 22
-
-
-/*
- * PCI Clock Control
- */
-
-#define AR5315_PCICLK (AR5315_DSLBASE + 0x00a4)
-
-#define AR5315_PCICLK_INPUT_M 0x3
-#define AR5315_PCICLK_INPUT_S 0
-
-#define AR5315_PCICLK_PLLC_CLKM 0
-#define AR5315_PCICLK_PLLC_CLKM1 1
-#define AR5315_PCICLK_PLLC_CLKC 2
-#define AR5315_PCICLK_REF_CLK 3
-
-#define AR5315_PCICLK_DIV_M 0xc
-#define AR5315_PCICLK_DIV_S 2
-
-#define AR5315_PCICLK_IN_FREQ 0
-#define AR5315_PCICLK_IN_FREQ_DIV_6 1
-#define AR5315_PCICLK_IN_FREQ_DIV_8 2
-#define AR5315_PCICLK_IN_FREQ_DIV_10 3
-
-/*
- * Observation Control Register
- */
-#define AR5315_OCR (AR5315_DSLBASE + 0x00b0)
-#define OCR_GPIO0_IRIN 0x0040
-#define OCR_GPIO1_IROUT 0x0080
-#define OCR_GPIO3_RXCLR 0x0200
-
-/*
- * General Clock Control
- */
-
-#define AR5315_MISCCLK (AR5315_DSLBASE + 0x00b4)
-#define MISCCLK_PLLBYPASS_EN 0x00000001
-#define MISCCLK_PROCREFCLK 0x00000002
-
-/*
- * SDRAM Controller
- * - No read or write buffers are included.
- */
-#define AR5315_MEM_CFG (AR5315_SDRAMCTL + 0x00)
-#define AR5315_MEM_CTRL (AR5315_SDRAMCTL + 0x0c)
-#define AR5315_MEM_REF (AR5315_SDRAMCTL + 0x10)
-
-#define SDRAM_DATA_WIDTH_M 0x00006000
-#define SDRAM_DATA_WIDTH_S 13
-
-#define SDRAM_COL_WIDTH_M 0x00001E00
-#define SDRAM_COL_WIDTH_S 9
-
-#define SDRAM_ROW_WIDTH_M 0x000001E0
-#define SDRAM_ROW_WIDTH_S 5
-
-#define SDRAM_BANKADDR_BITS_M 0x00000018
-#define SDRAM_BANKADDR_BITS_S 3
-
-/*
- * SPI Flash Interface Registers
- */
-
-#define AR5315_SPI_CTL (AR5315_SPI + 0x00)
-#define AR5315_SPI_OPCODE (AR5315_SPI + 0x04)
-#define AR5315_SPI_DATA (AR5315_SPI + 0x08)
-
-#define SPI_CTL_START 0x00000100
-#define SPI_CTL_BUSY 0x00010000
-#define SPI_CTL_TXCNT_MASK 0x0000000f
-#define SPI_CTL_RXCNT_MASK 0x000000f0
-#define SPI_CTL_TX_RX_CNT_MASK 0x000000ff
-#define SPI_CTL_SIZE_MASK 0x00060000
-
-#define SPI_CTL_CLK_SEL_MASK 0x03000000
-#define SPI_OPCODE_MASK 0x000000ff
-
-/*
- * PCI-MAC Configuration registers
- */
-#define PCI_MAC_RC (AR5315_PCI + 0x4000)
-#define PCI_MAC_SCR (AR5315_PCI + 0x4004)
-#define PCI_MAC_INTPEND (AR5315_PCI + 0x4008)
-#define PCI_MAC_SFR (AR5315_PCI + 0x400C)
-#define PCI_MAC_PCICFG (AR5315_PCI + 0x4010)
-#define PCI_MAC_SREV (AR5315_PCI + 0x4020)
-
-#define PCI_MAC_RC_MAC 0x00000001
-#define PCI_MAC_RC_BB 0x00000002
-
-#define PCI_MAC_SCR_SLMODE_M 0x00030000
-#define PCI_MAC_SCR_SLMODE_S 16
-#define PCI_MAC_SCR_SLM_FWAKE 0
-#define PCI_MAC_SCR_SLM_FSLEEP 1
-#define PCI_MAC_SCR_SLM_NORMAL 2
-
-#define PCI_MAC_SFR_SLEEP 0x00000001
-
-#define PCI_MAC_PCICFG_SPWR_DN 0x00010000
-
-
-/*
- * PCI Bus Interface Registers
- */
-#define AR5315_PCI_1MS_REG (AR5315_PCI + 0x0008)
-#define AR5315_PCI_1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */
-
-#define AR5315_PCI_MISC_CONFIG (AR5315_PCI + 0x000c)
-#define AR5315_PCIMISC_TXD_EN 0x00000001 /* Enable TXD for fragments */
-#define AR5315_PCIMISC_CFG_SEL 0x00000002 /* mem or config cycles */
-#define AR5315_PCIMISC_GIG_MASK 0x0000000C /* bits 31-30 for pci req */
-#define AR5315_PCIMISC_RST_MODE 0x00000030
-#define AR5315_PCIRST_INPUT 0x00000000 /* 4:5=0 rst is input */
-#define AR5315_PCIRST_LOW 0x00000010 /* 4:5=1 rst to GND */
-#define AR5315_PCIRST_HIGH 0x00000020 /* 4:5=2 rst to VDD */
-#define AR5315_PCIGRANT_EN 0x00000000 /* 6:7=0 early grant en */
-#define AR5315_PCIGRANT_FRAME 0x00000040 /* 6:7=1 grant waits 4 frame */
-#define AR5315_PCIGRANT_IDLE 0x00000080 /* 6:7=2 grant waits 4 idle */
-#define AR5315_PCIGRANT_GAP 0x00000000 /* 6:7=2 grant waits 4 idle */
-#define AR5315_PCICACHE_DIS 0x00001000 /* PCI external access cache disable */
-
-#define AR5315_PCI_OUT_TSTAMP (AR5315_PCI + 0x0010)
-
-#define AR5315_PCI_UNCACHE_CFG (AR5315_PCI + 0x0014)
-
-#define AR5315_PCI_IN_EN (AR5315_PCI + 0x0100)
-#define AR5315_PCI_IN_EN0 0x01 /* Enable chain 0 */
-#define AR5315_PCI_IN_EN1 0x02 /* Enable chain 1 */
-#define AR5315_PCI_IN_EN2 0x04 /* Enable chain 2 */
-#define AR5315_PCI_IN_EN3 0x08 /* Enable chain 3 */
-
-#define AR5315_PCI_IN_DIS (AR5315_PCI + 0x0104)
-#define AR5315_PCI_IN_DIS0 0x01 /* Disable chain 0 */
-#define AR5315_PCI_IN_DIS1 0x02 /* Disable chain 1 */
-#define AR5315_PCI_IN_DIS2 0x04 /* Disable chain 2 */
-#define AR5315_PCI_IN_DIS3 0x08 /* Disable chain 3 */
-
-#define AR5315_PCI_IN_PTR (AR5315_PCI + 0x0200)
-
-#define AR5315_PCI_OUT_EN (AR5315_PCI + 0x0400)
-#define AR5315_PCI_OUT_EN0 0x01 /* Enable chain 0 */
-
-#define AR5315_PCI_OUT_DIS (AR5315_PCI + 0x0404)
-#define AR5315_PCI_OUT_DIS0 0x01 /* Disable chain 0 */
-
-#define AR5315_PCI_OUT_PTR (AR5315_PCI + 0x0408)
-
-#define AR5315_PCI_INT_STATUS (AR5315_PCI + 0x0500) /* write one to clr */
-#define AR5315_PCI_TXINT 0x00000001 /* Desc In Completed */
-#define AR5315_PCI_TXOK 0x00000002 /* Desc In OK */
-#define AR5315_PCI_TXERR 0x00000004 /* Desc In ERR */
-#define AR5315_PCI_TXEOL 0x00000008 /* Desc In End-of-List */
-#define AR5315_PCI_RXINT 0x00000010 /* Desc Out Completed */
-#define AR5315_PCI_RXOK 0x00000020 /* Desc Out OK */
-#define AR5315_PCI_RXERR 0x00000040 /* Desc Out ERR */
-#define AR5315_PCI_RXEOL 0x00000080 /* Desc Out EOL */
-#define AR5315_PCI_TXOOD 0x00000200 /* Desc In Out-of-Desc */
-#define AR5315_PCI_MASK 0x0000FFFF /* Desc Mask */
-#define AR5315_PCI_EXT_INT 0x02000000
-#define AR5315_PCI_ABORT_INT 0x04000000
-
-#define AR5315_PCI_INT_MASK (AR5315_PCI + 0x0504) /* same as INT_STATUS */
-
-#define AR5315_PCI_INTEN_REG (AR5315_PCI + 0x0508)
-#define AR5315_PCI_INT_DISABLE 0x00 /* disable pci interrupts */
-#define AR5315_PCI_INT_ENABLE 0x01 /* enable pci interrupts */
-
-#define AR5315_PCI_HOST_IN_EN (AR5315_PCI + 0x0800)
-#define AR5315_PCI_HOST_IN_DIS (AR5315_PCI + 0x0804)
-#define AR5315_PCI_HOST_IN_PTR (AR5315_PCI + 0x0810)
-#define AR5315_PCI_HOST_OUT_EN (AR5315_PCI + 0x0900)
-#define AR5315_PCI_HOST_OUT_DIS (AR5315_PCI + 0x0904)
-#define AR5315_PCI_HOST_OUT_PTR (AR5315_PCI + 0x0908)
-
-
-/*
- * Local Bus Interface Registers
- */
-#define AR5315_LB_CONFIG (AR5315_LOCAL + 0x0000)
-#define AR5315_LBCONF_OE 0x00000001 /* =1 OE is low-true */
-#define AR5315_LBCONF_CS0 0x00000002 /* =1 first CS is low-true */
-#define AR5315_LBCONF_CS1 0x00000004 /* =1 2nd CS is low-true */
-#define AR5315_LBCONF_RDY 0x00000008 /* =1 RDY is low-true */
-#define AR5315_LBCONF_WE 0x00000010 /* =1 Write En is low-true */
-#define AR5315_LBCONF_WAIT 0x00000020 /* =1 WAIT is low-true */
-#define AR5315_LBCONF_ADS 0x00000040 /* =1 Adr Strobe is low-true */
-#define AR5315_LBCONF_MOT 0x00000080 /* =0 Intel, =1 Motorola */
-#define AR5315_LBCONF_8CS 0x00000100 /* =1 8 bits CS, 0= 16bits */
-#define AR5315_LBCONF_8DS 0x00000200 /* =1 8 bits Data S, 0=16bits */
-#define AR5315_LBCONF_ADS_EN 0x00000400 /* =1 Enable ADS */
-#define AR5315_LBCONF_ADR_OE 0x00000800 /* =1 Adr cap on OE, WE or DS */
-#define AR5315_LBCONF_ADDT_MUX 0x00001000 /* =1 Adr and Data share bus */
-#define AR5315_LBCONF_DATA_OE 0x00002000 /* =1 Data cap on OE, WE, DS */
-#define AR5315_LBCONF_16DATA 0x00004000 /* =1 Data is 16 bits wide */
-#define AR5315_LBCONF_SWAPDT 0x00008000 /* =1 Byte swap data */
-#define AR5315_LBCONF_SYNC 0x00010000 /* =1 Bus synchronous to clk */
-#define AR5315_LBCONF_INT 0x00020000 /* =1 Intr is low true */
-#define AR5315_LBCONF_INT_CTR0 0x00000000 /* GND high-Z, Vdd is high-Z */
-#define AR5315_LBCONF_INT_CTR1 0x00040000 /* GND drive, Vdd is high-Z */
-#define AR5315_LBCONF_INT_CTR2 0x00080000 /* GND high-Z, Vdd drive */
-#define AR5315_LBCONF_INT_CTR3 0x000C0000 /* GND drive, Vdd drive */
-#define AR5315_LBCONF_RDY_WAIT 0x00100000 /* =1 RDY is negative of WAIT */
-#define AR5315_LBCONF_INT_PULSE 0x00200000 /* =1 Interrupt is a pulse */
-#define AR5315_LBCONF_ENABLE 0x00400000 /* =1 Falcon respond to LB */
-
-#define AR5315_LB_CLKSEL (AR5315_LOCAL + 0x0004)
-#define AR5315_LBCLK_EXT 0x0001 /* use external clk for lb */
-
-#define AR5315_LB_1MS (AR5315_LOCAL + 0x0008)
-#define AR5315_LB1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */
-
-#define AR5315_LB_MISCCFG (AR5315_LOCAL + 0x000C)
-#define AR5315_LBM_TXD_EN 0x00000001 /* Enable TXD for fragments */
-#define AR5315_LBM_RX_INTEN 0x00000002 /* Enable LB ints on RX ready */
-#define AR5315_LBM_MBOXWR_INTEN 0x00000004 /* Enable LB ints on mbox wr */
-#define AR5315_LBM_MBOXRD_INTEN 0x00000008 /* Enable LB ints on mbox rd */
-#define AR5315_LMB_DESCSWAP_EN 0x00000010 /* Byte swap desc enable */
-#define AR5315_LBM_TIMEOUT_MASK 0x00FFFF80
-#define AR5315_LBM_TIMEOUT_SHFT 7
-#define AR5315_LBM_PORTMUX 0x07000000
-
-
-#define AR5315_LB_RXTSOFF (AR5315_LOCAL + 0x0010)
-
-#define AR5315_LB_TX_CHAIN_EN (AR5315_LOCAL + 0x0100)
-#define AR5315_LB_TXEN_0 0x01
-#define AR5315_LB_TXEN_1 0x02
-#define AR5315_LB_TXEN_2 0x04
-#define AR5315_LB_TXEN_3 0x08
-
-#define AR5315_LB_TX_CHAIN_DIS (AR5315_LOCAL + 0x0104)
-#define AR5315_LB_TX_DESC_PTR (AR5315_LOCAL + 0x0200)
-
-#define AR5315_LB_RX_CHAIN_EN (AR5315_LOCAL + 0x0400)
-#define AR5315_LB_RXEN 0x01
-
-#define AR5315_LB_RX_CHAIN_DIS (AR5315_LOCAL + 0x0404)
-#define AR5315_LB_RX_DESC_PTR (AR5315_LOCAL + 0x0408)
-
-#define AR5315_LB_INT_STATUS (AR5315_LOCAL + 0x0500)
-#define AR5315_INT_TX_DESC 0x0001
-#define AR5315_INT_TX_OK 0x0002
-#define AR5315_INT_TX_ERR 0x0004
-#define AR5315_INT_TX_EOF 0x0008
-#define AR5315_INT_RX_DESC 0x0010
-#define AR5315_INT_RX_OK 0x0020
-#define AR5315_INT_RX_ERR 0x0040
-#define AR5315_INT_RX_EOF 0x0080
-#define AR5315_INT_TX_TRUNC 0x0100
-#define AR5315_INT_TX_STARVE 0x0200
-#define AR5315_INT_LB_TIMEOUT 0x0400
-#define AR5315_INT_LB_ERR 0x0800
-#define AR5315_INT_MBOX_WR 0x1000
-#define AR5315_INT_MBOX_RD 0x2000
-
-/* Bit definitions for INT MASK are the same as INT_STATUS */
-#define AR5315_LB_INT_MASK (AR5315_LOCAL + 0x0504)
-
-#define AR5315_LB_INT_EN (AR5315_LOCAL + 0x0508)
-#define AR5315_LB_MBOX (AR5315_LOCAL + 0x0600)
-
-
-
-/*
- * IR Interface Registers
- */
-#define AR5315_IR_PKTDATA (AR5315_IR + 0x0000)
-
-#define AR5315_IR_PKTLEN (AR5315_IR + 0x07fc) /* 0 - 63 */
-
-#define AR5315_IR_CONTROL (AR5315_IR + 0x0800)
-#define AR5315_IRCTL_TX 0x00000000 /* use as tranmitter */
-#define AR5315_IRCTL_RX 0x00000001 /* use as receiver */
-#define AR5315_IRCTL_SAMPLECLK_MASK 0x00003ffe /* Sample clk divisor mask */
-#define AR5315_IRCTL_SAMPLECLK_SHFT 1
-#define AR5315_IRCTL_OUTPUTCLK_MASK 0x03ffc000 /* Output clk divisor mask */
-#define AR5315_IRCTL_OUTPUTCLK_SHFT 14
-
-#define AR5315_IR_STATUS (AR5315_IR + 0x0804)
-#define AR5315_IRSTS_RX 0x00000001 /* receive in progress */
-#define AR5315_IRSTS_TX 0x00000002 /* transmit in progress */
-
-#define AR5315_IR_CONFIG (AR5315_IR + 0x0808)
-#define AR5315_IRCFG_INVIN 0x00000001 /* invert input polarity */
-#define AR5315_IRCFG_INVOUT 0x00000002 /* invert output polarity */
-#define AR5315_IRCFG_SEQ_START_WIN_SEL 0x00000004 /* 1 => 28, 0 => 7 */
-#define AR5315_IRCFG_SEQ_START_THRESH 0x000000f0 /* */
-#define AR5315_IRCFG_SEQ_END_UNIT_SEL 0x00000100 /* */
-#define AR5315_IRCFG_SEQ_END_UNIT_THRESH 0x00007e00 /* */
-#define AR5315_IRCFG_SEQ_END_WIN_SEL 0x00008000 /* */
-#define AR5315_IRCFG_SEQ_END_WIN_THRESH 0x001f0000 /* */
-#define AR5315_IRCFG_NUM_BACKOFF_WORDS 0x01e00000 /* */
-
-/*
- * PCI memory constants: Memory area 1 and 2 are the same size -
- * (twice the PCI_TLB_PAGE_SIZE). The definition of
- * CPU_TO_PCI_MEM_SIZE is coupled with the TLB setup routine
- * sysLib.c/sysTlbInit(), in that it assumes that 2 pages of size
- * PCI_TLB_PAGE_SIZE are set up in the TLB for each PCI memory space.
- */
-
-#define CPU_TO_PCI_MEM_BASE1 0xE0000000
-#define CPU_TO_PCI_MEM_SIZE1 (2*PCI_TLB_PAGE_SIZE)
-
-
-/* TLB attributes for PCI transactions */
-
-#define PCI_MMU_PAGEMASK 0x00003FFF
-#define MMU_PAGE_UNCACHED 0x00000010
-#define MMU_PAGE_DIRTY 0x00000004
-#define MMU_PAGE_VALID 0x00000002
-#define MMU_PAGE_GLOBAL 0x00000001
-#define PCI_MMU_PAGEATTRIB (MMU_PAGE_UNCACHED|MMU_PAGE_DIRTY|\
- MMU_PAGE_VALID|MMU_PAGE_GLOBAL)
-#define PCI_MEMORY_SPACE1_VIRT 0xE0000000 /* Used for non-prefet mem */
-#define PCI_MEMORY_SPACE1_PHYS 0x80000000
-#define PCI_TLB_PAGE_SIZE 0x01000000
-#define TLB_HI_MASK 0xFFFFE000
-#define TLB_LO_MASK 0x3FFFFFFF
-#define PAGEMASK_SHIFT 11
-#define TLB_LO_SHIFT 6
-
-#define PCI_MAX_LATENCY 0xFFF /* Max PCI latency */
-
-#define HOST_PCI_DEV_ID 3
-#define HOST_PCI_MBAR0 0x10000000
-#define HOST_PCI_MBAR1 0x20000000
-#define HOST_PCI_MBAR2 0x30000000
-
-#define HOST_PCI_SDRAM_BASEADDR HOST_PCI_MBAR1
-#define PCI_DEVICE_MEM_SPACE 0x800000
-
-#endif
-
--- /dev/null
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 2007 FON Technology, SL.
+# Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
+# Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
+#
+
+obj-y := board.o irq.o
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
+ * Copyright (C) 2006 FON Technology, SL.
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ */
+
+#ifndef AR5315_H
+#define AR5315_H
+
+/*
+ * IRQs
+ */
+#define AR5315_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */
+#define AR5315_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */
+#define AR5315_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */
+#define AR5315_IRQ_LCBUS_PCI MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */
+#define AR5315_IRQ_WLAN0_POLL MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */
+
+
+/*
+ * Address map
+ */
+#define AR5315_SDRAM0 0x00000000 /* DRAM */
+#define AR5315_SPI_READ 0x08000000 /* SPI FLASH */
+#define AR5315_WLAN0 0xB0000000 /* Wireless MMR */
+#define AR5315_PCI 0xB0100000 /* PCI MMR */
+#define AR5315_SDRAMCTL 0xB0300000 /* SDRAM MMR */
+#define AR5315_LOCAL 0xB0400000 /* LOCAL BUS MMR */
+#define AR5315_ENET0 0xB0500000 /* ETHERNET MMR */
+#define AR5315_DSLBASE 0xB1000000 /* RESET CONTROL MMR */
+#define AR5315_UART0 0xB1100003 /* UART MMR */
+#define AR5315_SPI 0xB1300000 /* SPI FLASH MMR */
+#define AR5315_FLASHBT 0xBfc00000 /* ro boot alias to FLASH */
+#define AR5315_RAM1 0x40000000 /* ram alias */
+#define AR5315_PCIEXT 0x80000000 /* pci external */
+#define AR5315_RAM2 0xc0000000 /* ram alias */
+#define AR5315_RAM3 0xe0000000 /* ram alias */
+
+/*
+ * Reset Register
+ */
+#define AR5315_COLD_RESET (AR5315_DSLBASE + 0x0000)
+
+/* Cold Reset */
+#define RESET_COLD_AHB 0x00000001
+#define RESET_COLD_APB 0x00000002
+#define RESET_COLD_CPU 0x00000004
+#define RESET_COLD_CPUWARM 0x00000008
+#define RESET_SYSTEM (RESET_COLD_CPU | RESET_COLD_APB | RESET_COLD_AHB) /* full system */
+
+#define AR5317_RESET_SYSTEM 0x00000010
+
+/* Warm Reset */
+
+#define AR5315_RESET (AR5315_DSLBASE + 0x0004)
+
+#define AR5315_RESET_WARM_WLAN0_MAC 0x00000001 /* warm reset WLAN0 MAC */
+#define AR5315_RESET_WARM_WLAN0_BB 0x00000002 /* warm reset WLAN0 BaseBand */
+#define AR5315_RESET_MPEGTS_RSVD 0x00000004 /* warm reset MPEG-TS */
+#define AR5315_RESET_PCIDMA 0x00000008 /* warm reset PCI ahb/dma */
+#define AR5315_RESET_MEMCTL 0x00000010 /* warm reset memory controller */
+#define AR5315_RESET_LOCAL 0x00000020 /* warm reset local bus */
+#define AR5315_RESET_I2C_RSVD 0x00000040 /* warm reset I2C bus */
+#define AR5315_RESET_SPI 0x00000080 /* warm reset SPI interface */
+#define AR5315_RESET_UART0 0x00000100 /* warm reset UART0 */
+#define AR5315_RESET_IR_RSVD 0x00000200 /* warm reset IR interface */
+#define AR5315_RESET_EPHY0 0x00000400 /* cold reset ENET0 phy */
+#define AR5315_RESET_ENET0 0x00000800 /* cold reset ENET0 mac */
+
+/*
+ * AHB master arbitration control
+ */
+#define AR5315_AHB_ARB_CTL (AR5315_DSLBASE + 0x0008)
+
+#define ARB_CPU 0x00000001 /* CPU, default */
+#define ARB_WLAN 0x00000002 /* WLAN */
+#define ARB_MPEGTS_RSVD 0x00000004 /* MPEG-TS */
+#define ARB_LOCAL 0x00000008 /* LOCAL */
+#define ARB_PCI 0x00000010 /* PCI */
+#define ARB_ETHERNET 0x00000020 /* Ethernet */
+#define ARB_RETRY 0x00000100 /* retry policy, debug only */
+
+/*
+ * Config Register
+ */
+#define AR5315_ENDIAN_CTL (AR5315_DSLBASE + 0x000c)
+
+#define AR5315_CONFIG_AHB 0x00000001 /* EC - AHB bridge endianess */
+#define AR5315_CONFIG_WLAN 0x00000002 /* WLAN byteswap */
+#define AR5315_CONFIG_MPEGTS_RSVD 0x00000004 /* MPEG-TS byteswap */
+#define AR5315_CONFIG_PCI 0x00000008 /* PCI byteswap */
+#define AR5315_CONFIG_MEMCTL 0x00000010 /* Memory controller endianess */
+#define AR5315_CONFIG_LOCAL 0x00000020 /* Local bus byteswap */
+#define AR5315_CONFIG_ETHERNET 0x00000040 /* Ethernet byteswap */
+
+#define AR5315_CONFIG_MERGE 0x00000200 /* CPU write buffer merge */
+#define AR5315_CONFIG_CPU 0x00000400 /* CPU big endian */
+#define AR5315_CONFIG_PCIAHB 0x00000800
+#define AR5315_CONFIG_PCIAHB_BRIDGE 0x00001000
+#define AR5315_CONFIG_SPI 0x00008000 /* SPI byteswap */
+#define AR5315_CONFIG_CPU_DRAM 0x00010000
+#define AR5315_CONFIG_CPU_PCI 0x00020000
+#define AR5315_CONFIG_CPU_MMR 0x00040000
+#define AR5315_CONFIG_BIG 0x00000400
+
+
+/*
+ * NMI control
+ */
+#define AR5315_NMI_CTL (AR5315_DSLBASE + 0x0010)
+
+#define NMI_EN 1
+
+/*
+ * Revision Register - Initial value is 0x3010 (WMAC 3.0, AR531X 1.0).
+ */
+#define AR5315_SREV (AR5315_DSLBASE + 0x0014)
+
+#define AR5315_REV_MAJ 0x00f0
+#define AR5315_REV_MAJ_S 4
+#define AR5315_REV_MIN 0x000f
+#define AR5315_REV_MIN_S 0
+#define AR5315_REV_CHIP (AR5315_REV_MAJ|AR5315_REV_MIN)
+
+/*
+ * Interface Enable
+ */
+#define AR5315_IF_CTL (AR5315_DSLBASE + 0x0018)
+
+#define IF_MASK 0x00000007
+#define IF_DISABLED 0
+#define IF_PCI 1
+#define IF_TS_LOCAL 2
+#define IF_ALL 3 /* only for emulation with separate pins */
+#define IF_LOCAL_HOST 0x00000008
+#define IF_PCI_HOST 0x00000010
+#define IF_PCI_INTR 0x00000020
+#define IF_PCI_CLK_MASK 0x00030000
+#define IF_PCI_CLK_INPUT 0
+#define IF_PCI_CLK_OUTPUT_LOW 1
+#define IF_PCI_CLK_OUTPUT_CLK 2
+#define IF_PCI_CLK_OUTPUT_HIGH 3
+#define IF_PCI_CLK_SHIFT 16
+
+
+/* Major revision numbers, bits 7..4 of Revision ID register */
+#define REV_MAJ_AR5311 0x01
+#define REV_MAJ_AR5312 0x04
+#define REV_MAJ_AR5315 0x0B
+
+/*
+ * APB Interrupt control
+ */
+
+#define AR5315_ISR (AR5315_DSLBASE + 0x0020)
+#define AR5315_IMR (AR5315_DSLBASE + 0x0024)
+#define AR5315_GISR (AR5315_DSLBASE + 0x0028)
+
+#define AR5315_ISR_UART0 0x0001 /* high speed UART */
+#define AR5315_ISR_I2C_RSVD 0x0002 /* I2C bus */
+#define AR5315_ISR_SPI 0x0004 /* SPI bus */
+#define AR5315_ISR_AHB 0x0008 /* AHB error */
+#define AR5315_ISR_APB 0x0010 /* APB error */
+#define AR5315_ISR_TIMER 0x0020 /* timer */
+#define AR5315_ISR_GPIO 0x0040 /* GPIO */
+#define AR5315_ISR_WD 0x0080 /* watchdog */
+#define AR5315_ISR_IR_RSVD 0x0100 /* IR */
+
+#define AR5315_GISR_MISC 0x0001
+#define AR5315_GISR_WLAN0 0x0002
+#define AR5315_GISR_MPEGTS_RSVD 0x0004
+#define AR5315_GISR_LOCALPCI 0x0008
+#define AR5315_GISR_WMACPOLL 0x0010
+#define AR5315_GISR_TIMER 0x0020
+#define AR5315_GISR_ETHERNET 0x0040
+
+/*
+ * Interrupt routing from IO to the processor IP bits
+ * Define our inter mask and level
+ */
+#define AR5315_INTR_MISCIO SR_IBIT3
+#define AR5315_INTR_WLAN0 SR_IBIT4
+#define AR5315_INTR_ENET0 SR_IBIT5
+#define AR5315_INTR_LOCALPCI SR_IBIT6
+#define AR5315_INTR_WMACPOLL SR_IBIT7
+#define AR5315_INTR_COMPARE SR_IBIT8
+
+/*
+ * Timers
+ */
+#define AR5315_TIMER (AR5315_DSLBASE + 0x0030)
+#define AR5315_RELOAD (AR5315_DSLBASE + 0x0034)
+#define AR5315_WD (AR5315_DSLBASE + 0x0038)
+#define AR5315_WDC (AR5315_DSLBASE + 0x003c)
+
+#define WDC_RESET 0x00000002 /* reset on watchdog */
+#define WDC_NMI 0x00000001 /* NMI on watchdog */
+#define WDC_IGNORE_EXPIRATION 0x00000000
+
+/*
+ * CPU Performance Counters
+ */
+#define AR5315_PERFCNT0 (AR5315_DSLBASE + 0x0048)
+#define AR5315_PERFCNT1 (AR5315_DSLBASE + 0x004c)
+
+#define PERF_DATAHIT 0x0001 /* Count Data Cache Hits */
+#define PERF_DATAMISS 0x0002 /* Count Data Cache Misses */
+#define PERF_INSTHIT 0x0004 /* Count Instruction Cache Hits */
+#define PERF_INSTMISS 0x0008 /* Count Instruction Cache Misses */
+#define PERF_ACTIVE 0x0010 /* Count Active Processor Cycles */
+#define PERF_WBHIT 0x0020 /* Count CPU Write Buffer Hits */
+#define PERF_WBMISS 0x0040 /* Count CPU Write Buffer Misses */
+
+#define PERF_EB_ARDY 0x0001 /* Count EB_ARdy signal */
+#define PERF_EB_AVALID 0x0002 /* Count EB_AValid signal */
+#define PERF_EB_WDRDY 0x0004 /* Count EB_WDRdy signal */
+#define PERF_EB_RDVAL 0x0008 /* Count EB_RdVal signal */
+#define PERF_VRADDR 0x0010 /* Count valid read address cycles */
+#define PERF_VWADDR 0x0020 /* Count valid write address cycles */
+#define PERF_VWDATA 0x0040 /* Count valid write data cycles */
+
+/*
+ * AHB Error Reporting.
+ */
+#define AR5315_AHB_ERR0 (AR5315_DSLBASE + 0x0050) /* error */
+#define AR5315_AHB_ERR1 (AR5315_DSLBASE + 0x0054) /* haddr */
+#define AR5315_AHB_ERR2 (AR5315_DSLBASE + 0x0058) /* hwdata */
+#define AR5315_AHB_ERR3 (AR5315_DSLBASE + 0x005c) /* hrdata */
+#define AR5315_AHB_ERR4 (AR5315_DSLBASE + 0x0060) /* status */
+
+#define AHB_ERROR_DET 1 /* AHB Error has been detected, */
+ /* write 1 to clear all bits in ERR0 */
+#define AHB_ERROR_OVR 2 /* AHB Error overflow has been detected */
+#define AHB_ERROR_WDT 4 /* AHB Error due to wdt instead of hresp */
+
+#define PROCERR_HMAST 0x0000000f
+#define PROCERR_HMAST_DFLT 0
+#define PROCERR_HMAST_WMAC 1
+#define PROCERR_HMAST_ENET 2
+#define PROCERR_HMAST_PCIENDPT 3
+#define PROCERR_HMAST_LOCAL 4
+#define PROCERR_HMAST_CPU 5
+#define PROCERR_HMAST_PCITGT 6
+
+#define PROCERR_HMAST_S 0
+#define PROCERR_HWRITE 0x00000010
+#define PROCERR_HSIZE 0x00000060
+#define PROCERR_HSIZE_S 5
+#define PROCERR_HTRANS 0x00000180
+#define PROCERR_HTRANS_S 7
+#define PROCERR_HBURST 0x00000e00
+#define PROCERR_HBURST_S 9
+
+
+
+/*
+ * Clock Control
+ */
+#define AR5315_PLLC_CTL (AR5315_DSLBASE + 0x0064)
+#define AR5315_PLLV_CTL (AR5315_DSLBASE + 0x0068)
+#define AR5315_CPUCLK (AR5315_DSLBASE + 0x006c)
+#define AR5315_AMBACLK (AR5315_DSLBASE + 0x0070)
+#define AR5315_SYNCCLK (AR5315_DSLBASE + 0x0074)
+#define AR5315_DSL_SLEEP_CTL (AR5315_DSLBASE + 0x0080)
+#define AR5315_DSL_SLEEP_DUR (AR5315_DSLBASE + 0x0084)
+
+/* PLLc Control fields */
+#define PLLC_REF_DIV_M 0x00000003
+#define PLLC_REF_DIV_S 0
+#define PLLC_FDBACK_DIV_M 0x0000007C
+#define PLLC_FDBACK_DIV_S 2
+#define PLLC_ADD_FDBACK_DIV_M 0x00000080
+#define PLLC_ADD_FDBACK_DIV_S 7
+#define PLLC_CLKC_DIV_M 0x0001c000
+#define PLLC_CLKC_DIV_S 14
+#define PLLC_CLKM_DIV_M 0x00700000
+#define PLLC_CLKM_DIV_S 20
+
+/* CPU CLK Control fields */
+#define CPUCLK_CLK_SEL_M 0x00000003
+#define CPUCLK_CLK_SEL_S 0
+#define CPUCLK_CLK_DIV_M 0x0000000c
+#define CPUCLK_CLK_DIV_S 2
+
+/* AMBA CLK Control fields */
+#define AMBACLK_CLK_SEL_M 0x00000003
+#define AMBACLK_CLK_SEL_S 0
+#define AMBACLK_CLK_DIV_M 0x0000000c
+#define AMBACLK_CLK_DIV_S 2
+
+#if defined(COBRA_EMUL)
+#define AR5315_AMBA_CLOCK_RATE 20000000
+#define AR5315_CPU_CLOCK_RATE 40000000
+#else
+#if defined(DEFAULT_PLL)
+#define AR5315_AMBA_CLOCK_RATE 40000000
+#define AR5315_CPU_CLOCK_RATE 40000000
+#else
+#define AR5315_AMBA_CLOCK_RATE 92000000
+#define AR5315_CPU_CLOCK_RATE 184000000
+#endif /* ! DEFAULT_PLL */
+#endif /* ! COBRA_EMUL */
+
+#define AR5315_UART_CLOCK_RATE AR5315_AMBA_CLOCK_RATE
+#define AR5315_SDRAM_CLOCK_RATE AR5315_AMBA_CLOCK_RATE
+
+/*
+ * The UART computes baud rate as:
+ * baud = clock / (16 * divisor)
+ * where divisor is specified as a High Byte (DLM) and a Low Byte (DLL).
+ */
+#define DESIRED_BAUD_RATE 38400
+
+
+#define CLOCKCTL_UART0 0x0010 /* enable UART0 external clock */
+
+
+ /*
+ * Applicable "PCICFG" bits for WLAN(s). Assoc status and LED mode.
+ */
+#define ASSOC_STATUS_M 0x00000003
+#define ASSOC_STATUS_NONE 0
+#define ASSOC_STATUS_PENDING 1
+#define ASSOC_STATUS_ASSOCIATED 2
+#define LED_MODE_M 0x0000001c
+#define LED_BLINK_THRESHOLD_M 0x000000e0
+#define LED_SLOW_BLINK_MODE 0x00000100
+
+/*
+ * GPIO
+ */
+
+#define AR5315_GPIO_DI (AR5315_DSLBASE + 0x0088)
+#define AR5315_GPIO_DO (AR5315_DSLBASE + 0x0090)
+#define AR5315_GPIO_CR (AR5315_DSLBASE + 0x0098)
+#define AR5315_GPIO_INT (AR5315_DSLBASE + 0x00a0)
+
+#define AR5315_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */
+#define AR5315_GPIO_CR_O(x) (1 << (x)) /* output */
+#define AR5315_GPIO_CR_I(x) (0) /* input */
+
+#define AR5315_GPIO_INT_S(x) (x) /* interrupt enable */
+#define AR5315_GPIO_INT_M (0x3F) /* mask for int */
+#define AR5315_GPIO_INT_LVL(x) ((x) << 6) /* interrupt level */
+#define AR5315_GPIO_INT_LVL_M ((0x3) << 6) /* mask for int level */
+
+#define AR5315_RESET_GPIO 5
+#define AR5315_NUM_GPIO 22
+
+
+/*
+ * PCI Clock Control
+ */
+
+#define AR5315_PCICLK (AR5315_DSLBASE + 0x00a4)
+
+#define AR5315_PCICLK_INPUT_M 0x3
+#define AR5315_PCICLK_INPUT_S 0
+
+#define AR5315_PCICLK_PLLC_CLKM 0
+#define AR5315_PCICLK_PLLC_CLKM1 1
+#define AR5315_PCICLK_PLLC_CLKC 2
+#define AR5315_PCICLK_REF_CLK 3
+
+#define AR5315_PCICLK_DIV_M 0xc
+#define AR5315_PCICLK_DIV_S 2
+
+#define AR5315_PCICLK_IN_FREQ 0
+#define AR5315_PCICLK_IN_FREQ_DIV_6 1
+#define AR5315_PCICLK_IN_FREQ_DIV_8 2
+#define AR5315_PCICLK_IN_FREQ_DIV_10 3
+
+/*
+ * Observation Control Register
+ */
+#define AR5315_OCR (AR5315_DSLBASE + 0x00b0)
+#define OCR_GPIO0_IRIN 0x0040
+#define OCR_GPIO1_IROUT 0x0080
+#define OCR_GPIO3_RXCLR 0x0200
+
+/*
+ * General Clock Control
+ */
+
+#define AR5315_MISCCLK (AR5315_DSLBASE + 0x00b4)
+#define MISCCLK_PLLBYPASS_EN 0x00000001
+#define MISCCLK_PROCREFCLK 0x00000002
+
+/*
+ * SDRAM Controller
+ * - No read or write buffers are included.
+ */
+#define AR5315_MEM_CFG (AR5315_SDRAMCTL + 0x00)
+#define AR5315_MEM_CTRL (AR5315_SDRAMCTL + 0x0c)
+#define AR5315_MEM_REF (AR5315_SDRAMCTL + 0x10)
+
+#define SDRAM_DATA_WIDTH_M 0x00006000
+#define SDRAM_DATA_WIDTH_S 13
+
+#define SDRAM_COL_WIDTH_M 0x00001E00
+#define SDRAM_COL_WIDTH_S 9
+
+#define SDRAM_ROW_WIDTH_M 0x000001E0
+#define SDRAM_ROW_WIDTH_S 5
+
+#define SDRAM_BANKADDR_BITS_M 0x00000018
+#define SDRAM_BANKADDR_BITS_S 3
+
+/*
+ * SPI Flash Interface Registers
+ */
+
+#define AR5315_SPI_CTL (AR5315_SPI + 0x00)
+#define AR5315_SPI_OPCODE (AR5315_SPI + 0x04)
+#define AR5315_SPI_DATA (AR5315_SPI + 0x08)
+
+#define SPI_CTL_START 0x00000100
+#define SPI_CTL_BUSY 0x00010000
+#define SPI_CTL_TXCNT_MASK 0x0000000f
+#define SPI_CTL_RXCNT_MASK 0x000000f0
+#define SPI_CTL_TX_RX_CNT_MASK 0x000000ff
+#define SPI_CTL_SIZE_MASK 0x00060000
+
+#define SPI_CTL_CLK_SEL_MASK 0x03000000
+#define SPI_OPCODE_MASK 0x000000ff
+
+/*
+ * PCI-MAC Configuration registers
+ */
+#define PCI_MAC_RC (AR5315_PCI + 0x4000)
+#define PCI_MAC_SCR (AR5315_PCI + 0x4004)
+#define PCI_MAC_INTPEND (AR5315_PCI + 0x4008)
+#define PCI_MAC_SFR (AR5315_PCI + 0x400C)
+#define PCI_MAC_PCICFG (AR5315_PCI + 0x4010)
+#define PCI_MAC_SREV (AR5315_PCI + 0x4020)
+
+#define PCI_MAC_RC_MAC 0x00000001
+#define PCI_MAC_RC_BB 0x00000002
+
+#define PCI_MAC_SCR_SLMODE_M 0x00030000
+#define PCI_MAC_SCR_SLMODE_S 16
+#define PCI_MAC_SCR_SLM_FWAKE 0
+#define PCI_MAC_SCR_SLM_FSLEEP 1
+#define PCI_MAC_SCR_SLM_NORMAL 2
+
+#define PCI_MAC_SFR_SLEEP 0x00000001
+
+#define PCI_MAC_PCICFG_SPWR_DN 0x00010000
+
+
+/*
+ * PCI Bus Interface Registers
+ */
+#define AR5315_PCI_1MS_REG (AR5315_PCI + 0x0008)
+#define AR5315_PCI_1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */
+
+#define AR5315_PCI_MISC_CONFIG (AR5315_PCI + 0x000c)
+#define AR5315_PCIMISC_TXD_EN 0x00000001 /* Enable TXD for fragments */
+#define AR5315_PCIMISC_CFG_SEL 0x00000002 /* mem or config cycles */
+#define AR5315_PCIMISC_GIG_MASK 0x0000000C /* bits 31-30 for pci req */
+#define AR5315_PCIMISC_RST_MODE 0x00000030
+#define AR5315_PCIRST_INPUT 0x00000000 /* 4:5=0 rst is input */
+#define AR5315_PCIRST_LOW 0x00000010 /* 4:5=1 rst to GND */
+#define AR5315_PCIRST_HIGH 0x00000020 /* 4:5=2 rst to VDD */
+#define AR5315_PCIGRANT_EN 0x00000000 /* 6:7=0 early grant en */
+#define AR5315_PCIGRANT_FRAME 0x00000040 /* 6:7=1 grant waits 4 frame */
+#define AR5315_PCIGRANT_IDLE 0x00000080 /* 6:7=2 grant waits 4 idle */
+#define AR5315_PCIGRANT_GAP 0x00000000 /* 6:7=2 grant waits 4 idle */
+#define AR5315_PCICACHE_DIS 0x00001000 /* PCI external access cache disable */
+
+#define AR5315_PCI_OUT_TSTAMP (AR5315_PCI + 0x0010)
+
+#define AR5315_PCI_UNCACHE_CFG (AR5315_PCI + 0x0014)
+
+#define AR5315_PCI_IN_EN (AR5315_PCI + 0x0100)
+#define AR5315_PCI_IN_EN0 0x01 /* Enable chain 0 */
+#define AR5315_PCI_IN_EN1 0x02 /* Enable chain 1 */
+#define AR5315_PCI_IN_EN2 0x04 /* Enable chain 2 */
+#define AR5315_PCI_IN_EN3 0x08 /* Enable chain 3 */
+
+#define AR5315_PCI_IN_DIS (AR5315_PCI + 0x0104)
+#define AR5315_PCI_IN_DIS0 0x01 /* Disable chain 0 */
+#define AR5315_PCI_IN_DIS1 0x02 /* Disable chain 1 */
+#define AR5315_PCI_IN_DIS2 0x04 /* Disable chain 2 */
+#define AR5315_PCI_IN_DIS3 0x08 /* Disable chain 3 */
+
+#define AR5315_PCI_IN_PTR (AR5315_PCI + 0x0200)
+
+#define AR5315_PCI_OUT_EN (AR5315_PCI + 0x0400)
+#define AR5315_PCI_OUT_EN0 0x01 /* Enable chain 0 */
+
+#define AR5315_PCI_OUT_DIS (AR5315_PCI + 0x0404)
+#define AR5315_PCI_OUT_DIS0 0x01 /* Disable chain 0 */
+
+#define AR5315_PCI_OUT_PTR (AR5315_PCI + 0x0408)
+
+#define AR5315_PCI_INT_STATUS (AR5315_PCI + 0x0500) /* write one to clr */
+#define AR5315_PCI_TXINT 0x00000001 /* Desc In Completed */
+#define AR5315_PCI_TXOK 0x00000002 /* Desc In OK */
+#define AR5315_PCI_TXERR 0x00000004 /* Desc In ERR */
+#define AR5315_PCI_TXEOL 0x00000008 /* Desc In End-of-List */
+#define AR5315_PCI_RXINT 0x00000010 /* Desc Out Completed */
+#define AR5315_PCI_RXOK 0x00000020 /* Desc Out OK */
+#define AR5315_PCI_RXERR 0x00000040 /* Desc Out ERR */
+#define AR5315_PCI_RXEOL 0x00000080 /* Desc Out EOL */
+#define AR5315_PCI_TXOOD 0x00000200 /* Desc In Out-of-Desc */
+#define AR5315_PCI_MASK 0x0000FFFF /* Desc Mask */
+#define AR5315_PCI_EXT_INT 0x02000000
+#define AR5315_PCI_ABORT_INT 0x04000000
+
+#define AR5315_PCI_INT_MASK (AR5315_PCI + 0x0504) /* same as INT_STATUS */
+
+#define AR5315_PCI_INTEN_REG (AR5315_PCI + 0x0508)
+#define AR5315_PCI_INT_DISABLE 0x00 /* disable pci interrupts */
+#define AR5315_PCI_INT_ENABLE 0x01 /* enable pci interrupts */
+
+#define AR5315_PCI_HOST_IN_EN (AR5315_PCI + 0x0800)
+#define AR5315_PCI_HOST_IN_DIS (AR5315_PCI + 0x0804)
+#define AR5315_PCI_HOST_IN_PTR (AR5315_PCI + 0x0810)
+#define AR5315_PCI_HOST_OUT_EN (AR5315_PCI + 0x0900)
+#define AR5315_PCI_HOST_OUT_DIS (AR5315_PCI + 0x0904)
+#define AR5315_PCI_HOST_OUT_PTR (AR5315_PCI + 0x0908)
+
+
+/*
+ * Local Bus Interface Registers
+ */
+#define AR5315_LB_CONFIG (AR5315_LOCAL + 0x0000)
+#define AR5315_LBCONF_OE 0x00000001 /* =1 OE is low-true */
+#define AR5315_LBCONF_CS0 0x00000002 /* =1 first CS is low-true */
+#define AR5315_LBCONF_CS1 0x00000004 /* =1 2nd CS is low-true */
+#define AR5315_LBCONF_RDY 0x00000008 /* =1 RDY is low-true */
+#define AR5315_LBCONF_WE 0x00000010 /* =1 Write En is low-true */
+#define AR5315_LBCONF_WAIT 0x00000020 /* =1 WAIT is low-true */
+#define AR5315_LBCONF_ADS 0x00000040 /* =1 Adr Strobe is low-true */
+#define AR5315_LBCONF_MOT 0x00000080 /* =0 Intel, =1 Motorola */
+#define AR5315_LBCONF_8CS 0x00000100 /* =1 8 bits CS, 0= 16bits */
+#define AR5315_LBCONF_8DS 0x00000200 /* =1 8 bits Data S, 0=16bits */
+#define AR5315_LBCONF_ADS_EN 0x00000400 /* =1 Enable ADS */
+#define AR5315_LBCONF_ADR_OE 0x00000800 /* =1 Adr cap on OE, WE or DS */
+#define AR5315_LBCONF_ADDT_MUX 0x00001000 /* =1 Adr and Data share bus */
+#define AR5315_LBCONF_DATA_OE 0x00002000 /* =1 Data cap on OE, WE, DS */
+#define AR5315_LBCONF_16DATA 0x00004000 /* =1 Data is 16 bits wide */
+#define AR5315_LBCONF_SWAPDT 0x00008000 /* =1 Byte swap data */
+#define AR5315_LBCONF_SYNC 0x00010000 /* =1 Bus synchronous to clk */
+#define AR5315_LBCONF_INT 0x00020000 /* =1 Intr is low true */
+#define AR5315_LBCONF_INT_CTR0 0x00000000 /* GND high-Z, Vdd is high-Z */
+#define AR5315_LBCONF_INT_CTR1 0x00040000 /* GND drive, Vdd is high-Z */
+#define AR5315_LBCONF_INT_CTR2 0x00080000 /* GND high-Z, Vdd drive */
+#define AR5315_LBCONF_INT_CTR3 0x000C0000 /* GND drive, Vdd drive */
+#define AR5315_LBCONF_RDY_WAIT 0x00100000 /* =1 RDY is negative of WAIT */
+#define AR5315_LBCONF_INT_PULSE 0x00200000 /* =1 Interrupt is a pulse */
+#define AR5315_LBCONF_ENABLE 0x00400000 /* =1 Falcon respond to LB */
+
+#define AR5315_LB_CLKSEL (AR5315_LOCAL + 0x0004)
+#define AR5315_LBCLK_EXT 0x0001 /* use external clk for lb */
+
+#define AR5315_LB_1MS (AR5315_LOCAL + 0x0008)
+#define AR5315_LB1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */
+
+#define AR5315_LB_MISCCFG (AR5315_LOCAL + 0x000C)
+#define AR5315_LBM_TXD_EN 0x00000001 /* Enable TXD for fragments */
+#define AR5315_LBM_RX_INTEN 0x00000002 /* Enable LB ints on RX ready */
+#define AR5315_LBM_MBOXWR_INTEN 0x00000004 /* Enable LB ints on mbox wr */
+#define AR5315_LBM_MBOXRD_INTEN 0x00000008 /* Enable LB ints on mbox rd */
+#define AR5315_LMB_DESCSWAP_EN 0x00000010 /* Byte swap desc enable */
+#define AR5315_LBM_TIMEOUT_MASK 0x00FFFF80
+#define AR5315_LBM_TIMEOUT_SHFT 7
+#define AR5315_LBM_PORTMUX 0x07000000
+
+
+#define AR5315_LB_RXTSOFF (AR5315_LOCAL + 0x0010)
+
+#define AR5315_LB_TX_CHAIN_EN (AR5315_LOCAL + 0x0100)
+#define AR5315_LB_TXEN_0 0x01
+#define AR5315_LB_TXEN_1 0x02
+#define AR5315_LB_TXEN_2 0x04
+#define AR5315_LB_TXEN_3 0x08
+
+#define AR5315_LB_TX_CHAIN_DIS (AR5315_LOCAL + 0x0104)
+#define AR5315_LB_TX_DESC_PTR (AR5315_LOCAL + 0x0200)
+
+#define AR5315_LB_RX_CHAIN_EN (AR5315_LOCAL + 0x0400)
+#define AR5315_LB_RXEN 0x01
+
+#define AR5315_LB_RX_CHAIN_DIS (AR5315_LOCAL + 0x0404)
+#define AR5315_LB_RX_DESC_PTR (AR5315_LOCAL + 0x0408)
+
+#define AR5315_LB_INT_STATUS (AR5315_LOCAL + 0x0500)
+#define AR5315_INT_TX_DESC 0x0001
+#define AR5315_INT_TX_OK 0x0002
+#define AR5315_INT_TX_ERR 0x0004
+#define AR5315_INT_TX_EOF 0x0008
+#define AR5315_INT_RX_DESC 0x0010
+#define AR5315_INT_RX_OK 0x0020
+#define AR5315_INT_RX_ERR 0x0040
+#define AR5315_INT_RX_EOF 0x0080
+#define AR5315_INT_TX_TRUNC 0x0100
+#define AR5315_INT_TX_STARVE 0x0200
+#define AR5315_INT_LB_TIMEOUT 0x0400
+#define AR5315_INT_LB_ERR 0x0800
+#define AR5315_INT_MBOX_WR 0x1000
+#define AR5315_INT_MBOX_RD 0x2000
+
+/* Bit definitions for INT MASK are the same as INT_STATUS */
+#define AR5315_LB_INT_MASK (AR5315_LOCAL + 0x0504)
+
+#define AR5315_LB_INT_EN (AR5315_LOCAL + 0x0508)
+#define AR5315_LB_MBOX (AR5315_LOCAL + 0x0600)
+
+
+
+/*
+ * IR Interface Registers
+ */
+#define AR5315_IR_PKTDATA (AR5315_IR + 0x0000)
+
+#define AR5315_IR_PKTLEN (AR5315_IR + 0x07fc) /* 0 - 63 */
+
+#define AR5315_IR_CONTROL (AR5315_IR + 0x0800)
+#define AR5315_IRCTL_TX 0x00000000 /* use as tranmitter */
+#define AR5315_IRCTL_RX 0x00000001 /* use as receiver */
+#define AR5315_IRCTL_SAMPLECLK_MASK 0x00003ffe /* Sample clk divisor mask */
+#define AR5315_IRCTL_SAMPLECLK_SHFT 1
+#define AR5315_IRCTL_OUTPUTCLK_MASK 0x03ffc000 /* Output clk divisor mask */
+#define AR5315_IRCTL_OUTPUTCLK_SHFT 14
+
+#define AR5315_IR_STATUS (AR5315_IR + 0x0804)
+#define AR5315_IRSTS_RX 0x00000001 /* receive in progress */
+#define AR5315_IRSTS_TX 0x00000002 /* transmit in progress */
+
+#define AR5315_IR_CONFIG (AR5315_IR + 0x0808)
+#define AR5315_IRCFG_INVIN 0x00000001 /* invert input polarity */
+#define AR5315_IRCFG_INVOUT 0x00000002 /* invert output polarity */
+#define AR5315_IRCFG_SEQ_START_WIN_SEL 0x00000004 /* 1 => 28, 0 => 7 */
+#define AR5315_IRCFG_SEQ_START_THRESH 0x000000f0 /* */
+#define AR5315_IRCFG_SEQ_END_UNIT_SEL 0x00000100 /* */
+#define AR5315_IRCFG_SEQ_END_UNIT_THRESH 0x00007e00 /* */
+#define AR5315_IRCFG_SEQ_END_WIN_SEL 0x00008000 /* */
+#define AR5315_IRCFG_SEQ_END_WIN_THRESH 0x001f0000 /* */
+#define AR5315_IRCFG_NUM_BACKOFF_WORDS 0x01e00000 /* */
+
+/*
+ * PCI memory constants: Memory area 1 and 2 are the same size -
+ * (twice the PCI_TLB_PAGE_SIZE). The definition of
+ * CPU_TO_PCI_MEM_SIZE is coupled with the TLB setup routine
+ * sysLib.c/sysTlbInit(), in that it assumes that 2 pages of size
+ * PCI_TLB_PAGE_SIZE are set up in the TLB for each PCI memory space.
+ */
+
+#define CPU_TO_PCI_MEM_BASE1 0xE0000000
+#define CPU_TO_PCI_MEM_SIZE1 (2*PCI_TLB_PAGE_SIZE)
+
+
+/* TLB attributes for PCI transactions */
+
+#define PCI_MMU_PAGEMASK 0x00003FFF
+#define MMU_PAGE_UNCACHED 0x00000010
+#define MMU_PAGE_DIRTY 0x00000004
+#define MMU_PAGE_VALID 0x00000002
+#define MMU_PAGE_GLOBAL 0x00000001
+#define PCI_MMU_PAGEATTRIB (MMU_PAGE_UNCACHED|MMU_PAGE_DIRTY|\
+ MMU_PAGE_VALID|MMU_PAGE_GLOBAL)
+#define PCI_MEMORY_SPACE1_VIRT 0xE0000000 /* Used for non-prefet mem */
+#define PCI_MEMORY_SPACE1_PHYS 0x80000000
+#define PCI_TLB_PAGE_SIZE 0x01000000
+#define TLB_HI_MASK 0xFFFFE000
+#define TLB_LO_MASK 0x3FFFFFFF
+#define PAGEMASK_SHIFT 11
+#define TLB_LO_SHIFT 6
+
+#define PCI_MAX_LATENCY 0xFFF /* Max PCI latency */
+
+#define HOST_PCI_DEV_ID 3
+#define HOST_PCI_MBAR0 0x10000000
+#define HOST_PCI_MBAR1 0x20000000
+#define HOST_PCI_MBAR2 0x30000000
+
+#define HOST_PCI_SDRAM_BASEADDR HOST_PCI_MBAR1
+#define PCI_DEVICE_MEM_SPACE 0x800000
+
+#endif
+
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
+ * Copyright (C) 2006 FON Technology, SL.
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ */
+
+/*
+ * Platform devices for Atheros SoCs
+ */
+
+#include <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <asm/bootinfo.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include "../ar531x.h"
+
+static int is_5315 = 0;
+
+static struct resource ar5315_eth_res[] = {
+ {
+ .name = "eth0_membase",
+ .flags = IORESOURCE_MEM,
+ .start = AR5315_ENET0,
+ .end = AR5315_ENET0 + 0x2000,
+ },
+ {
+ .name = "eth0_irq",
+ .flags = IORESOURCE_IRQ,
+ .start = AR5315_IRQ_ENET0_INTRS,
+ .end = AR5315_IRQ_ENET0_INTRS,
+ },
+};
+
+static struct ar531x_eth ar5315_eth_data = {
+ .phy = 1,
+ .mac = 0,
+ .reset_base = AR5315_RESET,
+ .reset_mac = AR5315_RESET_ENET0,
+ .reset_phy = AR5315_RESET_EPHY0,
+ .phy_base = AR5315_ENET0
+};
+
+static struct platform_device ar5315_eth = {
+ .id = 0,
+ .name = "ar531x-eth",
+ .dev.platform_data = &ar5315_eth_data,
+ .resource = ar5315_eth_res,
+ .num_resources = ARRAY_SIZE(ar5315_eth_res)
+};
+
+static struct platform_device ar5315_wmac = {
+ .id = 0,
+ .name = "ar531x-wmac",
+ /* FIXME: add resources */
+};
+
+static struct resource ar5315_spiflash_res[] = {
+ {
+ .name = "flash_base",
+ .flags = IORESOURCE_MEM,
+ .start = KSEG1ADDR(AR5315_SPI_READ),
+ .end = KSEG1ADDR(AR5315_SPI_READ) + 0x800000,
+ },
+ {
+ .name = "flash_regs",
+ .flags = IORESOURCE_MEM,
+ .start = 0x11300000,
+ .end = 0x11300012,
+ },
+};
+
+static struct platform_device ar5315_spiflash = {
+ .id = 0,
+ .name = "spiflash",
+ .resource = ar5315_spiflash_res,
+ .num_resources = ARRAY_SIZE(ar5315_spiflash_res)
+};
+
+static __initdata struct platform_device *ar5315_devs[4];
+
+
+
+static void *flash_regs;
+
+static inline __u32 spiflash_regread32(int reg)
+{
+ volatile __u32 *data = (__u32 *)(flash_regs + reg);
+
+ return (*data);
+}
+
+static inline void spiflash_regwrite32(int reg, __u32 data)
+{
+ volatile __u32 *addr = (__u32 *)(flash_regs + reg);
+
+ *addr = data;
+}
+
+#define SPI_FLASH_CTL 0x00
+#define SPI_FLASH_OPCODE 0x04
+#define SPI_FLASH_DATA 0x08
+
+static __u8 spiflash_probe(void)
+{
+ __u32 reg;
+
+ do {
+ reg = spiflash_regread32(SPI_FLASH_CTL);
+ } while (reg & SPI_CTL_BUSY);
+
+ spiflash_regwrite32(SPI_FLASH_OPCODE, 0xab);
+
+ reg = (reg & ~SPI_CTL_TX_RX_CNT_MASK) | 4 |
+ (1 << 4) | SPI_CTL_START;
+
+ spiflash_regwrite32(SPI_FLASH_CTL, reg);
+
+ do {
+ reg = spiflash_regread32(SPI_FLASH_CTL);
+ } while (reg & SPI_CTL_BUSY);
+
+ reg = (__u32) spiflash_regread32(SPI_FLASH_DATA);
+ reg &= 0xff;
+
+ return (u8) reg;
+}
+
+
+#define STM_8MBIT_SIGNATURE 0x13
+#define STM_16MBIT_SIGNATURE 0x14
+#define STM_32MBIT_SIGNATURE 0x15
+#define STM_64MBIT_SIGNATURE 0x16
+#define STM_128MBIT_SIGNATURE 0x17
+
+
+static char __init *ar5315_flash_limit(void)
+{
+ u8 sig;
+ u32 flash_size = 0;
+
+ /* probe the flash chip size */
+ flash_regs = ioremap_nocache(ar5315_spiflash_res[1].start, ar5315_spiflash_res[1].end - ar5315_spiflash_res[1].start);
+ sig = spiflash_probe();
+ iounmap(flash_regs);
+
+ switch(sig) {
+ case STM_8MBIT_SIGNATURE:
+ flash_size = 0x00100000;
+ break;
+ case STM_16MBIT_SIGNATURE:
+ flash_size = 0x00200000;
+ break;
+ case STM_32MBIT_SIGNATURE:
+ flash_size = 0x00400000;
+ break;
+ case STM_64MBIT_SIGNATURE:
+ flash_size = 0x00800000;
+ break;
+ case STM_128MBIT_SIGNATURE:
+ flash_size = 0x01000000;
+ break;
+ }
+
+ ar5315_spiflash_res[0].end = ar5315_spiflash_res[0].start + flash_size;
+ return (char *) ar5315_spiflash_res[0].end;
+}
+
+int __init ar5315_init_devices(void)
+{
+ struct ar531x_config *config;
+ struct ar531x_boarddata *bcfg;
+ int dev = 0;
+
+ if (!is_5315)
+ return 0;
+
+ /* Find board configuration */
+ ar531x_find_config(ar5315_flash_limit());
+ bcfg = (struct ar531x_boarddata *) board_config;
+
+#if 0
+ {
+ /* Detect the hardware based on the device ID */
+ u32 devid = sysRegRead(AR5315_SREV) & AR5315_REV_MAJ >> AR5315_REV_MAJ_S;
+ switch(devid) {
+ case 0x9:
+ mips_machtype = MACH_ATHEROS_AR2317;
+ break;
+ /* FIXME: how can we detect AR2316? */
+ case 0x8:
+ default:
+ mips_machtype = MACH_ATHEROS_AR2315;
+ break;
+ }
+ }
+#endif
+
+ config = (struct ar531x_config *) kzalloc(sizeof(struct ar531x_config), GFP_KERNEL);
+ config->board = board_config;
+ config->radio = radio_config;
+ config->unit = 0;
+ config->tag = (u_int16_t) (sysRegRead(AR5315_SREV) & AR5315_REV_CHIP);
+
+ ar5315_eth_data.board_config = board_config;
+ ar5315_eth_data.macaddr = bcfg->enet0Mac;
+ ar5315_wmac.dev.platform_data = config;
+
+ ar5315_devs[dev++] = &ar5315_eth;
+ ar5315_devs[dev++] = &ar5315_wmac;
+ ar5315_devs[dev++] = &ar5315_spiflash;
+
+
+ return platform_add_devices(ar5315_devs, dev);
+}
+
+static void ar5315_halt(void)
+{
+ while (1);
+}
+
+static void ar5315_power_off(void)
+{
+ ar5315_halt();
+}
+
+
+static void ar5315_restart(char *command)
+{
+ unsigned int reg;
+ for(;;) {
+
+ /* reset the system */
+ sysRegWrite(AR5315_COLD_RESET,AR5317_RESET_SYSTEM);
+
+ /*
+ * Cold reset does not work on the AR2315/6, use the GPIO reset bits a workaround.
+ */
+
+ reg = sysRegRead(AR5315_GPIO_DO);
+ reg &= ~(1 << AR5315_RESET_GPIO);
+ sysRegWrite(AR5315_GPIO_DO, reg);
+ (void)sysRegRead(AR5315_GPIO_DO); /* flush write to hardware */
+ }
+}
+
+
+/*
+ * This table is indexed by bits 5..4 of the CLOCKCTL1 register
+ * to determine the predevisor value.
+ */
+static int __initdata CLOCKCTL1_PREDIVIDE_TABLE[4] = {
+ 1,
+ 2,
+ 4,
+ 5
+};
+
+static int __initdata PLLC_DIVIDE_TABLE[5] = {
+ 2,
+ 3,
+ 4,
+ 6,
+ 3
+};
+
+static unsigned int __init
+ar5315_sys_clk(unsigned int clockCtl)
+{
+ unsigned int pllcCtrl,cpuDiv;
+ unsigned int pllcOut,refdiv,fdiv,divby2;
+ unsigned int clkDiv;
+
+ pllcCtrl = sysRegRead(AR5315_PLLC_CTL);
+ refdiv = (pllcCtrl & PLLC_REF_DIV_M) >> PLLC_REF_DIV_S;
+ refdiv = CLOCKCTL1_PREDIVIDE_TABLE[refdiv];
+ fdiv = (pllcCtrl & PLLC_FDBACK_DIV_M) >> PLLC_FDBACK_DIV_S;
+ divby2 = (pllcCtrl & PLLC_ADD_FDBACK_DIV_M) >> PLLC_ADD_FDBACK_DIV_S;
+ divby2 += 1;
+ pllcOut = (40000000/refdiv)*(2*divby2)*fdiv;
+
+
+ /* clkm input selected */
+ switch(clockCtl & CPUCLK_CLK_SEL_M) {
+ case 0:
+ case 1:
+ clkDiv = PLLC_DIVIDE_TABLE[(pllcCtrl & PLLC_CLKM_DIV_M) >> PLLC_CLKM_DIV_S];
+ break;
+ case 2:
+ clkDiv = PLLC_DIVIDE_TABLE[(pllcCtrl & PLLC_CLKC_DIV_M) >> PLLC_CLKC_DIV_S];
+ break;
+ default:
+ pllcOut = 40000000;
+ clkDiv = 1;
+ break;
+ }
+ cpuDiv = (clockCtl & CPUCLK_CLK_DIV_M) >> CPUCLK_CLK_DIV_S;
+ cpuDiv = cpuDiv * 2 ?: 1;
+ return (pllcOut/(clkDiv * cpuDiv));
+}
+
+static inline unsigned int ar5315_cpu_frequency(void)
+{
+ return ar5315_sys_clk(sysRegRead(AR5315_CPUCLK));
+}
+
+static inline unsigned int ar5315_apb_frequency(void)
+{
+ return ar5315_sys_clk(sysRegRead(AR5315_AMBACLK));
+}
+
+static void __init ar5315_time_init(void)
+{
+ mips_hpt_frequency = ar5315_cpu_frequency() / 2;
+}
+
+void __init ar5315_prom_init(void)
+{
+ u32 memsize, memcfg;
+
+ is_5315 = 1;
+ memcfg = sysRegRead(AR5315_MEM_CFG);
+ memsize = 1 + ((memcfg & SDRAM_DATA_WIDTH_M) >> SDRAM_DATA_WIDTH_S);
+ memsize <<= 1 + ((memcfg & SDRAM_COL_WIDTH_M) >> SDRAM_COL_WIDTH_S);
+ memsize <<= 1 + ((memcfg & SDRAM_ROW_WIDTH_M) >> SDRAM_ROW_WIDTH_S);
+ memsize <<= 3;
+ add_memory_region(0, memsize, BOOT_MEM_RAM);
+
+ /* Initialize it to AR2315 for now. Real detection will be done
+ * in ar5315_init_devices() */
+ mips_machtype = MACH_ATHEROS_AR2315;
+}
+
+void __init ar5315_plat_setup(void)
+{
+ unsigned int config = read_c0_config();
+
+ /* Clear any lingering AHB errors */
+ write_c0_config(config & ~0x3);
+ sysRegWrite(AR5315_AHB_ERR0,AHB_ERROR_DET);
+ sysRegRead(AR5315_AHB_ERR1);
+ sysRegWrite(AR5315_WDC, WDC_IGNORE_EXPIRATION);
+
+ board_time_init = ar5315_time_init;
+
+ _machine_restart = ar5315_restart;
+ _machine_halt = ar5315_halt;
+ pm_power_off = ar5315_power_off;
+
+ serial_setup(KSEG1ADDR(AR5315_UART0), ar5315_apb_frequency());
+}
+
+arch_initcall(ar5315_init_devices);
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
+ * Copyright (C) 2006 FON Technology, SL.
+ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ */
+
+/*
+ * Platform devices for Atheros SoCs
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/reboot.h>
+#include <linux/interrupt.h>
+#include <asm/bootinfo.h>
+#include <asm/irq_cpu.h>
+#include <asm/io.h>
+#include "../ar531x.h"
+
+static u32 gpiointmask = 0, gpiointval = 0;
+
+static inline void ar5315_gpio_irq(void)
+{
+ u32 pend;
+ sysRegWrite(AR5315_ISR, sysRegRead(AR5315_IMR) | ~AR5315_ISR_GPIO);
+
+ /* only do one gpio interrupt at a time */
+ pend = (sysRegRead(AR5315_GPIO_DI) ^ gpiointval) & gpiointmask;
+ if (!pend)
+ return;
+
+ do_IRQ(AR531X_GPIO_IRQ_BASE + 31 - clz(pend));
+}
+
+
+/*
+ * Called when an interrupt is received, this function
+ * determines exactly which interrupt it was, and it
+ * invokes the appropriate handler.
+ *
+ * Implicitly, we also define interrupt priority by
+ * choosing which to dispatch first.
+ */
+asmlinkage void ar5315_irq_dispatch(void)
+{
+ int pending = read_c0_status() & read_c0_cause();
+
+ if (pending & CAUSEF_IP3)
+ do_IRQ(AR5315_IRQ_WLAN0_INTRS);
+ else if (pending & CAUSEF_IP4)
+ do_IRQ(AR5315_IRQ_ENET0_INTRS);
+ else if (pending & CAUSEF_IP2) {
+ unsigned int ar531x_misc_intrs = sysRegRead(AR5315_ISR) & sysRegRead(AR5315_IMR);
+
+ if (ar531x_misc_intrs & AR5315_ISR_SPI)
+ do_IRQ(AR531X_MISC_IRQ_SPI);
+ else if (ar531x_misc_intrs & AR5315_ISR_TIMER)
+ do_IRQ(AR531X_MISC_IRQ_TIMER);
+ else if (ar531x_misc_intrs & AR5315_ISR_AHB)
+ do_IRQ(AR531X_MISC_IRQ_AHB_PROC);
+ else if (ar531x_misc_intrs & AR5315_ISR_GPIO)
+ ar5315_gpio_irq();
+ else if (ar531x_misc_intrs & AR5315_ISR_UART0)
+ do_IRQ(AR531X_MISC_IRQ_UART0);
+ else if (ar531x_misc_intrs & AR5315_ISR_WD)
+ do_IRQ(AR531X_MISC_IRQ_WATCHDOG);
+ else
+ do_IRQ(AR531X_MISC_IRQ_NONE);
+ } else if (pending & CAUSEF_IP7)
+ do_IRQ(AR531X_IRQ_CPU_CLOCK);
+ else
+ do_IRQ(AR531X_IRQ_NONE);
+}
+
+static void ar5315_gpio_intr_enable(unsigned int irq)
+{
+ u32 gpio, mask;
+ gpio = irq - AR531X_GPIO_IRQ_BASE;
+ mask = 1 << gpio;
+ gpiointmask |= mask;
+
+ /* reconfigure GPIO line as input */
+ sysRegMask(AR5315_GPIO_CR, AR5315_GPIO_CR_M(gpio), AR5315_GPIO_CR_I(gpio));
+
+ /* Enable interrupt with edge detection */
+ sysRegMask(AR5315_GPIO_INT, AR5315_GPIO_INT_M | AR5315_GPIO_INT_LVL_M, gpio | AR5315_GPIO_INT_LVL(3));
+}
+
+static void ar5315_gpio_intr_disable(unsigned int irq)
+{
+ u32 gpio, mask;
+ gpio = irq - AR531X_GPIO_IRQ_BASE;
+ mask = 1 << gpio;
+
+ gpiointmask &= ~mask;
+
+ /* Disable interrupt with edge detection */
+ sysRegMask(AR5315_GPIO_INT, AR5315_GPIO_INT_M | AR5315_GPIO_INT_LVL_M, gpio | AR5315_GPIO_INT_LVL(0));
+}
+
+/* Turn on the specified AR531X_MISC_IRQ interrupt */
+static unsigned int ar5315_gpio_intr_startup(unsigned int irq)
+{
+ ar5315_gpio_intr_enable(irq);
+ return 0;
+}
+
+/* Turn off the specified AR531X_MISC_IRQ interrupt */
+static void
+ar5315_gpio_intr_shutdown(unsigned int irq)
+{
+ ar5315_gpio_intr_disable(irq);
+}
+
+static void
+ar5315_gpio_intr_ack(unsigned int irq)
+{
+ ar5315_gpio_intr_disable(irq);
+}
+
+static void
+ar5315_gpio_intr_end(unsigned int irq)
+{
+ if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+ ar5315_gpio_intr_enable(irq);
+}
+
+static struct irq_chip ar5315_gpio_intr_controller = {
+ .typename = "AR5315 GPIO",
+ .startup = ar5315_gpio_intr_startup,
+ .shutdown = ar5315_gpio_intr_shutdown,
+ .enable = ar5315_gpio_intr_enable,
+ .disable = ar5315_gpio_intr_disable,
+ .ack = ar5315_gpio_intr_ack,
+ .end = ar5315_gpio_intr_end,
+};
+
+
+/* Enable the specified AR531X_MISC_IRQ interrupt */
+static void
+ar5315_misc_intr_enable(unsigned int irq)
+{
+ unsigned int imr;
+
+ imr = sysRegRead(AR5315_IMR);
+ switch(irq)
+ {
+ case AR531X_MISC_IRQ_SPI:
+ imr |= AR5315_ISR_SPI;
+ break;
+
+ case AR531X_MISC_IRQ_TIMER:
+ imr |= AR5315_ISR_TIMER;
+ break;
+
+ case AR531X_MISC_IRQ_AHB_PROC:
+ imr |= AR5315_ISR_AHB;
+ break;
+
+ case AR531X_MISC_IRQ_AHB_DMA:
+ imr |= 0/* ?? */;
+ break;
+
+ case AR531X_MISC_IRQ_GPIO:
+ imr |= AR5315_ISR_GPIO;
+ break;
+
+ case AR531X_MISC_IRQ_UART0:
+ imr |= AR5315_ISR_UART0;
+ break;
+
+
+ case AR531X_MISC_IRQ_WATCHDOG:
+ imr |= AR5315_ISR_WD;
+ break;
+
+ case AR531X_MISC_IRQ_LOCAL:
+ imr |= 0/* ?? */;
+ break;
+
+ }
+ sysRegWrite(AR5315_IMR, imr);
+ imr=sysRegRead(AR5315_IMR); /* flush write buffer */
+}
+
+/* Disable the specified AR531X_MISC_IRQ interrupt */
+static void
+ar5315_misc_intr_disable(unsigned int irq)
+{
+ unsigned int imr;
+
+ imr = sysRegRead(AR5315_IMR);
+ switch(irq)
+ {
+ case AR531X_MISC_IRQ_SPI:
+ imr &= ~AR5315_ISR_SPI;
+ break;
+
+ case AR531X_MISC_IRQ_TIMER:
+ imr &= (~AR5315_ISR_TIMER);
+ break;
+
+ case AR531X_MISC_IRQ_AHB_PROC:
+ imr &= (~AR5315_ISR_AHB);
+ break;
+
+ case AR531X_MISC_IRQ_AHB_DMA:
+ imr &= 0/* ?? */;
+ break;
+
+ case AR531X_MISC_IRQ_GPIO:
+ imr &= ~AR5315_ISR_GPIO;
+ break;
+
+ case AR531X_MISC_IRQ_UART0:
+ imr &= (~AR5315_ISR_UART0);
+ break;
+
+ case AR531X_MISC_IRQ_WATCHDOG:
+ imr &= (~AR5315_ISR_WD);
+ break;
+
+ case AR531X_MISC_IRQ_LOCAL:
+ imr &= ~0/* ?? */;
+ break;
+
+ }
+ sysRegWrite(AR5315_IMR, imr);
+ sysRegRead(AR5315_IMR); /* flush write buffer */
+}
+
+/* Turn on the specified AR531X_MISC_IRQ interrupt */
+static unsigned int
+ar5315_misc_intr_startup(unsigned int irq)
+{
+ ar5315_misc_intr_enable(irq);
+ return 0;
+}
+
+/* Turn off the specified AR531X_MISC_IRQ interrupt */
+static void
+ar5315_misc_intr_shutdown(unsigned int irq)
+{
+ ar5315_misc_intr_disable(irq);
+}
+
+static void
+ar5315_misc_intr_ack(unsigned int irq)
+{
+ ar5315_misc_intr_disable(irq);
+}
+
+static void
+ar5315_misc_intr_end(unsigned int irq)
+{
+ if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+ ar5315_misc_intr_enable(irq);
+}
+
+static struct irq_chip ar5315_misc_intr_controller = {
+ .typename = "AR5315 misc",
+ .startup = ar5315_misc_intr_startup,
+ .shutdown = ar5315_misc_intr_shutdown,
+ .enable = ar5315_misc_intr_enable,
+ .disable = ar5315_misc_intr_disable,
+ .ack = ar5315_misc_intr_ack,
+ .end = ar5315_misc_intr_end,
+};
+
+static irqreturn_t ar5315_ahb_proc_handler(int cpl, void *dev_id)
+{
+ sysRegWrite(AR5315_AHB_ERR0,AHB_ERROR_DET);
+ sysRegRead(AR5315_AHB_ERR1);
+
+ printk("AHB fatal error\n");
+ machine_restart("AHB error"); /* Catastrophic failure */
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction ar5315_ahb_proc_interrupt = {
+ .handler = ar5315_ahb_proc_handler,
+ .flags = SA_INTERRUPT,
+ .name = "ar5315_ahb_proc_interrupt",
+};
+
+
+static struct irqaction cascade = {
+ .handler = no_action,
+ .flags = SA_INTERRUPT,
+ .name = "cascade",
+};
+
+static void ar5315_gpio_intr_init(int irq_base)
+{
+ int i;
+
+ for (i = irq_base; i < irq_base + AR531X_GPIO_IRQ_COUNT; i++) {
+ irq_desc[i].status = IRQ_DISABLED;
+ irq_desc[i].action = NULL;
+ irq_desc[i].depth = 1;
+ irq_desc[i].chip = &ar5315_gpio_intr_controller;
+ }
+ setup_irq(AR531X_MISC_IRQ_GPIO, &cascade);
+ gpiointval = sysRegRead(AR5315_GPIO_DI);
+}
+
+void ar5315_misc_intr_init(int irq_base)
+{
+ int i;
+
+ for (i = irq_base; i < irq_base + AR531X_MISC_IRQ_COUNT; i++) {
+ irq_desc[i].status = IRQ_DISABLED;
+ irq_desc[i].action = NULL;
+ irq_desc[i].depth = 1;
+ irq_desc[i].chip = &ar5315_misc_intr_controller;
+ }
+ setup_irq(AR531X_MISC_IRQ_AHB_PROC, &ar5315_ahb_proc_interrupt);
+ setup_irq(AR5315_IRQ_MISC_INTRS, &cascade);
+ ar5315_gpio_intr_init(AR531X_GPIO_IRQ_BASE);
+}
+
#include <asm/cpu-info.h>
#include <ar531x_platform.h>
-#include "ar5312.h"
-#include "ar5315.h"
+#include "ar5312/ar5312.h"
+#include "ar5315/ar5315.h"
+
+
+/*
+ * C access to CLZ instruction
+ * (count leading zeroes).
+ */
+static inline int clz(unsigned long val)
+{
+ int ret;
+
+ __asm__ volatile (
+ ".set\tnoreorder\n\t"
+ ".set\tnoat\n\t"
+ ".set\tmips32\n\t"
+ "clz\t%0,%1\n\t"
+ ".set\tmips0\n\t"
+ ".set\tat\n\t"
+ ".set\treorder"
+ : "=r" (ret)
+ : "r" (val)
+ );
+
+ return ret;
+}
/*
* Atheros CPUs before the AR2315 are using MIPS 4Kc core, later designs are
#define DO_AR5315(...)
#endif
-#include <irq.h>
-
-#define AR531X_HIGH_PRIO 0x10
#define AR531X_MISC_IRQ_BASE 0x20
-#define AR531X_GPIO_IRQ_BASE 0x30
+#define AR531X_GPIO_IRQ_BASE 0x30
/* Software's idea of interrupts handled by "CPU Interrupt Controller" */
#define AR531X_IRQ_NONE MIPS_CPU_IRQ_BASE+0
#define AR531X_MISC_IRQ_UART0_DMA AR531X_MISC_IRQ_BASE+6
#define AR531X_MISC_IRQ_WATCHDOG AR531X_MISC_IRQ_BASE+7
#define AR531X_MISC_IRQ_LOCAL AR531X_MISC_IRQ_BASE+8
-#define AR531X_MISC_IRQ_COUNT 9
+#define AR531X_MISC_IRQ_SPI AR531X_MISC_IRQ_BASE+9
+#define AR531X_MISC_IRQ_COUNT 10
/* GPIO Interrupts [0..7], share AR531X_MISC_IRQ_GPIO */
#define AR531X_GPIO_IRQ_NONE AR531X_MISC_IRQ_BASE+0
extern void ar5315_misc_intr_init(int irq_base);
extern void ar5315_plat_setup(void);
extern asmlinkage void ar5315_irq_dispatch(void);
+extern void ar5315_pci_irq(int irq);
+static inline u32 sysRegMask(u32 phys, u32 mask, u32 value)
+{
+ u32 reg;
+
+ reg = sysRegRead(phys);
+ reg &= ~mask;
+ reg |= value & mask;
+ sysRegWrite(phys, reg);
+ reg = sysRegRead(phys); /* flush write to the hardware */
+
+ return reg;
+}
#endif
#include <linux/serial.h>
#include <linux/serial_core.h>
#include <asm/bootinfo.h>
+#include <asm/irq_cpu.h>
#include <asm/io.h>
#include "ar531x.h"
write_c0_compare(count + 1000);
}
+asmlinkage void plat_irq_dispatch(void)
+{
+ DO_AR5312(ar5312_irq_dispatch();)
+ DO_AR5315(ar5315_irq_dispatch();)
+}
+void __init arch_init_irq(void)
+{
+ clear_c0_status(ST0_IM);
+ mips_cpu_irq_init();
+
+ /* Initialize interrupt controllers */
+ DO_AR5312(ar5312_misc_intr_init(AR531X_MISC_IRQ_BASE);)
+ DO_AR5315(ar5315_misc_intr_init(AR531X_MISC_IRQ_BASE);)
+}
+++ /dev/null
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
- * Copyright (C) 2006 FON Technology, SL.
- * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
- */
-
-/*
- * Interrupt support for AR531X WiSOC.
- */
-
-#include <linux/autoconf.h>
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/pm.h>
-#include <linux/delay.h>
-#include <linux/reboot.h>
-#include <linux/irq.h>
-#include <asm/bootinfo.h>
-#include <asm/mipsregs.h>
-#include <asm/irq_cpu.h>
-#include "ar531x.h"
-
-
-/* ARGSUSED */
-irqreturn_t
-spurious_irq_handler(int cpl, void *dev_id)
-{
- /*
- printk("spurious_irq_handler: %d cause=0x%8.8x status=0x%8.8x\n",
- cpl, cause_intrs, status_intrs);
- */
- return IRQ_NONE;
-}
-
-/* ARGSUSED */
-irqreturn_t
-spurious_misc_handler(int cpl, void *dev_id)
-{
- /*
- printk("spurious_misc_handler: 0x%x isr=0x%8.8x imr=0x%8.8x\n",
- cpl, ar531x_isr, ar531x_imr);
- */
- return IRQ_NONE;
-}
-
-static struct irqaction spurious_irq = {
- .handler = spurious_irq_handler,
- .flags = SA_INTERRUPT,
- .name = "spurious_irq",
-};
-
-static struct irqaction spurious_misc = {
- .handler = spurious_misc_handler,
- .flags = SA_INTERRUPT,
- .name = "spurious_misc",
-};
-
-asmlinkage void plat_irq_dispatch(void)
-{
- DO_AR5312(ar5312_irq_dispatch();)
- DO_AR5315(ar5315_irq_dispatch();)
-}
-
-void __init arch_init_irq(void)
-{
- clear_c0_status(ST0_IM);
- mips_cpu_irq_init();
-
- /* Initialize interrupt controllers */
- DO_AR5312(ar5312_misc_intr_init(AR531X_MISC_IRQ_BASE);)
- DO_AR5315(ar5315_misc_intr_init(AR531X_MISC_IRQ_BASE);)
-
- /* Default "spurious interrupt" handlers */
- setup_irq(AR531X_IRQ_NONE, &spurious_irq);
- setup_irq(AR531X_MISC_IRQ_NONE, &spurious_misc);
-}
--- /dev/null
+#include <linux/module.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/kobject.h>
+#include <linux/workqueue.h>
+#include <linux/skbuff.h>
+#include <linux/netlink.h>
+#include <net/sock.h>
+#include <asm/uaccess.h>
+#include "ar531x.h"
+#include "ar5315/ar5315.h"
+
+struct event_t {
+ struct work_struct wq;
+ int set;
+ long int jiffies;
+};
+
+extern struct sock *uevent_sock;
+extern u64 uevent_next_seqnum(void);
+static int seen;
+
+static inline void add_msg(struct sk_buff *skb, char *msg)
+{
+ char *scratch;
+ scratch = skb_put(skb, strlen(msg) + 1);
+ sprintf(scratch, msg);
+}
+
+static void hotplug_button(struct work_struct *wq)
+{
+ struct sk_buff *skb;
+ struct event_t *event;
+ size_t len;
+ char *scratch, *s;
+ char buf[128];
+
+ event = container_of(wq, struct event_t, wq);
+ if (!uevent_sock)
+ goto done;
+
+ /* allocate message with the maximum possible size */
+ s = event->set ? "pressed" : "released";
+ len = strlen(s) + 2;
+ skb = alloc_skb(len + 2048, GFP_KERNEL);
+ if (!skb)
+ goto done;
+
+ /* add header */
+ scratch = skb_put(skb, len);
+ sprintf(scratch, "%s@",s);
+
+ /* copy keys to our continuous event payload buffer */
+ add_msg(skb, "HOME=/");
+ add_msg(skb, "PATH=/sbin:/bin:/usr/sbin:/usr/bin");
+ add_msg(skb, "SUBSYSTEM=button");
+ add_msg(skb, "BUTTON=reset");
+ add_msg(skb, (event->set ? "ACTION=pressed" : "ACTION=released"));
+ sprintf(buf, "SEEN=%ld", (event->jiffies - seen)/HZ);
+ add_msg(skb, buf);
+ snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
+ add_msg(skb, buf);
+
+ NETLINK_CB(skb).dst_group = 1;
+ netlink_broadcast(uevent_sock, skb, 0, 1, GFP_KERNEL);
+
+done:
+ kfree(event);
+}
+
+static irqreturn_t button_handler(int irq, void *dev_id)
+{
+ static int pressed = 0;
+ struct event_t *event;
+ u32 gpio = ~0;
+
+ event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC);
+ if (!event)
+ return IRQ_NONE;
+
+ pressed = !pressed;
+
+ DO_AR5315(gpio = sysRegRead(AR5315_GPIO_DI);)
+ gpio &= 1 << (irq - AR531X_GPIO_IRQ_BASE);
+
+ event->set = gpio;
+ event->jiffies = jiffies;
+
+ INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
+ schedule_work(&event->wq);
+
+ seen = jiffies;
+
+ return IRQ_HANDLED;
+}
+
+int __init ar531x_init_reset(void)
+{
+ struct ar531x_boarddata *bcfg;
+ bcfg = (struct ar531x_boarddata *) board_config;
+
+ seen = jiffies;
+ request_irq(AR531X_GPIO_IRQ_BASE + bcfg->resetConfigGpio, &button_handler, IRQF_SAMPLE_RANDOM, "ar531x_reset", NULL);
+
+ return 0;
+}
+
+module_init(ar531x_init_reset);
projects / openwrt / staging / noltari.git / commitdiff