get rid of the specific UART driver and use AMBA PL010
authorFlorian Fainelli <florian@openwrt.org>
Thu, 6 Dec 2012 22:39:43 +0000 (22:39 +0000)
committerFlorian Fainelli <florian@openwrt.org>
Thu, 6 Dec 2012 22:39:43 +0000 (22:39 +0000)
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 34548

13 files changed:
target/linux/adm8668/config-3.3
target/linux/adm8668/files/arch/mips/adm8668/Kconfig [new file with mode: 0644]
target/linux/adm8668/files/arch/mips/adm8668/Makefile
target/linux/adm8668/files/arch/mips/adm8668/clock.c [new file with mode: 0644]
target/linux/adm8668/files/arch/mips/adm8668/platform.c
target/linux/adm8668/files/arch/mips/adm8668/serial.c [deleted file]
target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/asm/sizes.h [new file with mode: 0644]
target/linux/adm8668/patches-3.3/001-adm8668_arch.patch
target/linux/adm8668/patches-3.3/002-adm8668_uart.patch [deleted file]
target/linux/adm8668/patches-3.3/200-amba_pl010_hacks.patch [new file with mode: 0644]
target/linux/adm8668/patches-3.3/201-amba_bus_hacks.patch [new file with mode: 0644]
target/linux/generic/patches-3.3/065-8139cp-fixes.patch
target/linux/generic/patches-3.3/080-prot-release-cb.patch

index efdab2e0a2db482cc63025c3328493f64c3689aa..217daec861e8032da2531cd86508c53bdbbc9e36 100644 (file)
@@ -3,6 +3,8 @@ CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
 CONFIG_ARCH_DISCARD_MEMBLOCK=y
 CONFIG_ARCH_HIBERNATION_POSSIBLE=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_ARM_AMBA=y
+# CONFIG_ARM_SP805_WATCHDOG is not set
 CONFIG_CEVT_R4K=y
 CONFIG_CEVT_R4K_LIB=y
 CONFIG_CMDLINE="console=ttyS0 earlyprintk"
@@ -69,8 +71,12 @@ CONFIG_PCI_DOMAINS=y
 CONFIG_PERF_USE_VMALLOC=y
 # CONFIG_PREEMPT_RCU is not set
 # CONFIG_SCSI_DMA is not set
-CONFIG_SERIAL_ADM8668=y
-CONFIG_SERIAL_ADM8668_CONSOLE=y
+# CONFIG_SERIAL_8250 is not set
+CONFIG_SERIAL_AMBA_PL010=y
+CONFIG_SERIAL_AMBA_PL010_CONSOLE=y
+CONFIG_SERIAL_AMBA_PL010_NUMPORTS=2
+CONFIG_SERIAL_AMBA_PL010_PORTNAME="ttyS"
+# CONFIG_SERIAL_AMBA_PL011 is not set
 CONFIG_SWAP_IO_SPACE=y
 CONFIG_SYS_HAS_CPU_MIPS32_R1=y
 CONFIG_SYS_HAS_EARLY_PRINTK=y
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/Kconfig b/target/linux/adm8668/files/arch/mips/adm8668/Kconfig
new file mode 100644 (file)
index 0000000..2e7281f
--- /dev/null
@@ -0,0 +1,2 @@
+config ARM_AMBA
+       def_bool y
index dbd3f12d11e6849feb2f87e8c00ea71545792012..ed45666194aa9c06ac02fd20161604075205e5ec 100644 (file)
@@ -2,6 +2,6 @@
 # something witty  --neutronscott
 #
 
-obj-y          := irq.o pci.o prom.o platform.o serial.o proc.o \
-                  setup.o time.o early_printk.o \
+obj-y          := irq.o pci.o prom.o platform.o proc.o \
+                  setup.o time.o early_printk.o clock.o \
                   net_core.o net_intr.o
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/clock.c b/target/linux/adm8668/files/arch/mips/adm8668/clock.c
new file mode 100644 (file)
index 0000000..96d139e
--- /dev/null
@@ -0,0 +1,56 @@
+/*
+ * ADM8668 minimal clock support
+ *
+ * Copyright (C) 2012, Florian Fainelli <florian@openwrt.org>
+ *
+ * Licensed under the terms of the GPLv2
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+
+#include <adm8668.h>
+
+struct clk {
+       unsigned long rate;
+};
+
+static struct clk uart_clk = {
+       .rate   = ADM8668_UARTCLK_FREQ,
+};
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+       const char *name = dev_name(dev);
+
+       if (!strcmp(name, "apb:uart0"))
+               return &uart_clk;
+
+       return ERR_PTR(-ENOENT);
+}
+EXPORT_SYMBOL(clk_get);
+
+int clk_enable(struct clk *clk)
+{
+       return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+       return clk->rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+void clk_put(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_put);
index 4c158dd74963c42b01903dac770d6231e1a611fb..5030565a2c5a56a57a0830fa4d3fc36c20ebfb0a 100644 (file)
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
+ * Copyright (C) 2012 Florian Fainelli <florian@openwrt.org>
  *
  * 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
@@ -13,6 +14,9 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/ioport.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/serial.h>
+
 #include <asm/reboot.h>
 #include <asm/time.h>
 #include <asm/addrspace.h>
 #include <asm/io.h>
 #include <adm8668.h>
 
-static struct resource uart_resources[] = {
-       {
+static void adm8668_uart_set_mctrl(struct amba_device *dev,
+                                       void __iomem *base,
+                                       unsigned int mcrtl)
+{
+}
+
+static struct amba_pl010_data adm8668_uart0_data = {
+       .set_mctrl = adm8668_uart_set_mctrl,
+};
+
+static struct amba_device adm8668_uart0_device = {
+       .dev = {
+               .init_name      = "apb:uart0",
+               .platform_data  = &adm8668_uart0_data,
+       },
+       .res = {
                .start          = ADM8668_UART0_BASE,
                .end            = ADM8668_UART0_BASE + 0xF,
                .flags          = IORESOURCE_MEM,
        },
-       {
-               .start          = INT_LVL_UART0,
-               .flags          = IORESOURCE_IRQ,
+       .irq = {
+               INT_LVL_UART0,
+               -1
        },
-};
-
-static struct platform_device adm8668_uart_device = {
-       .name           = "adm8668_uart",
-       .id             = 0,
-       .resource       = uart_resources,
-       .num_resources  = ARRAY_SIZE(uart_resources),
+       .periphid = 0x0041010,
 };
 
 static struct resource eth0_resources[] = {
@@ -78,13 +90,18 @@ static struct platform_device adm8668_eth1_device = {
 };
 
 static struct platform_device *adm8668_devs[] = {
-       &adm8668_uart_device,
        &adm8668_eth0_device,
        &adm8668_eth1_device,
 };
 
 int __devinit adm8668_devs_register(void)
 {
+       int ret;
+
+       ret = amba_device_register(&adm8668_uart0_device, &iomem_resource);
+       if (ret)
+               panic("failed to register AMBA UART");
+
        return platform_add_devices(adm8668_devs, ARRAY_SIZE(adm8668_devs));
 }
 arch_initcall(adm8668_devs_register);
diff --git a/target/linux/adm8668/files/arch/mips/adm8668/serial.c b/target/linux/adm8668/files/arch/mips/adm8668/serial.c
deleted file mode 100644 (file)
index 7d684b8..0000000
+++ /dev/null
@@ -1,638 +0,0 @@
-/*
- * 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.
- *
- * ADM8668 serial driver, totally ripped the source from BCM63xx and changed
- *  all the registers to fit our hardware, and removed all the features that
- *  I didn't know because our GPL'd serial driver was way lame.
- *
- * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us>
- * Derived directly from bcm63xx_uart
- * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
- *
- */
-
-#if defined(CONFIG_SERIAL_ADM8668_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
-#define SUPPORT_SYSRQ
-#endif
-
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/module.h>
-#include <linux/console.h>
-#include <linux/clk.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/sysrq.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-#include <adm8668.h>
-
-#define ADM8668_NR_UARTS       1
-
-static struct uart_port ports[ADM8668_NR_UARTS];
-
-/*
- * handy uart register accessor
- */
-static inline unsigned int adm_uart_readl(struct uart_port *port,
-                                        unsigned int offset)
-{
-       return (*(volatile unsigned int *)(port->membase + offset));
-}
-
-static inline void adm_uart_writel(struct uart_port *port,
-                                 unsigned int value, unsigned int offset)
-{
-       (*((volatile unsigned int *)(port->membase + offset))) = value;
-}
-
-/*
- * serial core request to check if uart tx fifo is empty
- */
-static unsigned int adm_uart_tx_empty(struct uart_port *port)
-{
-       /* we always wait for completion, no buffer is made... */
-       return 1;
-}
-
-/*
- * serial core request to set RTS and DTR pin state and loopback mode
- */
-static void adm_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
-{
-}
-
-/*
- * serial core request to return RI, CTS, DCD and DSR pin state
- */
-static unsigned int adm_uart_get_mctrl(struct uart_port *port)
-{
-       return 0;
-}
-
-/*
- * serial core request to disable tx ASAP (used for flow control)
- */
-static void adm_uart_stop_tx(struct uart_port *port)
-{
-       unsigned int val;
-
-       val = adm_uart_readl(port, UART_CR_REG);
-       val &= ~(UART_TX_INT_EN);
-       adm_uart_writel(port, val, UART_CR_REG);
-}
-
-/*
- * serial core request to (re)enable tx
- */
-static void adm_uart_start_tx(struct uart_port *port)
-{
-       unsigned int val;
-
-       val = adm_uart_readl(port, UART_CR_REG);
-       val |= UART_TX_INT_EN;
-       adm_uart_writel(port, val, UART_CR_REG);
-}
-
-/*
- * serial core request to stop rx, called before port shutdown
- */
-static void adm_uart_stop_rx(struct uart_port *port)
-{
-       unsigned int val;
-
-       val = adm_uart_readl(port, UART_CR_REG);
-       val &= ~UART_RX_INT_EN;
-       adm_uart_writel(port, val, UART_CR_REG);
-}
-
-/*
- * serial core request to enable modem status interrupt reporting
- */
-static void adm_uart_enable_ms(struct uart_port *port)
-{
-}
-
-/*
- * serial core request to start/stop emitting break char
- */
-static void adm_uart_break_ctl(struct uart_port *port, int ctl)
-{
-}
-
-/*
- * return port type in string format
- */
-static const char *adm_uart_type(struct uart_port *port)
-{
-       return (port->type == PORT_ADM8668) ? "adm8668_uart" : NULL;
-}
-
-/*
- * read all chars in rx fifo and send them to core
- */
-static void adm_uart_do_rx(struct uart_port *port)
-{
-       struct tty_struct *tty;
-       unsigned int max_count;
-
-       /* limit number of char read in interrupt, should not be
-        * higher than fifo size anyway since we're much faster than
-        * serial port */
-       max_count = 32;
-       tty = port->state->port.tty;
-       do {
-               unsigned int iestat, c, cstat;
-               char flag;
-
-               /* get overrun/fifo empty information from ier
-                * register */
-               iestat = adm_uart_readl(port, UART_FR_REG);
-               if (iestat & UART_RX_FIFO_EMPTY)
-                       break;
-
-               /* recieve status */
-               cstat = adm_uart_readl(port, UART_RSR_REG);
-               /* clear errors */
-               adm_uart_writel(port, cstat, UART_RSR_REG);
-
-               c = adm_uart_readl(port, UART_DR_REG);
-               port->icount.rx++;
-               flag = TTY_NORMAL;
-
-               if (unlikely((cstat & UART_RX_STATUS_MASK))) {
-                       /* do stats first */
-                       if (cstat & UART_BREAK_ERR) {
-                               port->icount.brk++;
-                               if (uart_handle_break(port))
-                                       continue;
-                       }
-
-                       if (cstat & UART_PARITY_ERR)
-                               port->icount.parity++;
-                       if (cstat & UART_FRAMING_ERR)
-                               port->icount.frame++;
-                       if (cstat & UART_OVERRUN_ERR) {
-                               port->icount.overrun++;
-                               tty_insert_flip_char(tty, 0, TTY_OVERRUN);
-                       }
-
-                       /* update flag wrt read_status_mask */
-                       cstat &= port->read_status_mask;
-                       if (cstat & UART_BREAK_ERR)
-                               flag = TTY_BREAK;
-                       if (cstat & UART_FRAMING_ERR)
-                               flag = TTY_FRAME;
-                       if (cstat & UART_PARITY_ERR)
-                               flag = TTY_PARITY;
-               }
-
-               if (uart_handle_sysrq_char(port, c))
-                       continue;
-
-               /* fixthis */
-               if ((cstat & port->ignore_status_mask) == 0)
-                       tty_insert_flip_char(tty, c, flag);
-       } while (max_count--);
-
-       tty_flip_buffer_push(tty);
-}
-
-/*
- * fill tx fifo with chars to send, stop when fifo is about to be full
- * or when all chars have been sent.
- */
-static void adm_uart_do_tx(struct uart_port *port)
-{
-       struct circ_buf *xmit;
-
-       if (port->x_char) {
-               adm_uart_writel(port, port->x_char, UART_DR_REG);
-               port->icount.tx++;
-               port->x_char = 0;
-               return;
-       }
-
-       if (uart_tx_stopped(port))
-               adm_uart_stop_tx(port);
-
-       xmit = &port->state->xmit;
-
-       if (uart_circ_empty(xmit))
-               goto txq_empty;
-       do
-       {
-               while ((adm_uart_readl(port, UART_FR_REG) & UART_TX_FIFO_FULL) != 0)
-                       ;
-               adm_uart_writel(port, xmit->buf[xmit->tail], UART_DR_REG);
-               xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
-               port->icount.tx++;
-               if (uart_circ_empty(xmit))
-                       break;
-       } while (1);
-
-       if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
-               uart_write_wakeup(port);
-
-       if (uart_circ_empty(xmit))
-               goto txq_empty;
-
-       return;
-
-txq_empty:
-       adm_uart_stop_tx(port);
-}
-
-/*
- * process uart interrupt
- */
-static irqreturn_t adm_uart_interrupt(int irq, void *dev_id)
-{
-       struct uart_port *port;
-       unsigned int irqstat;
-
-       port = dev_id;
-       spin_lock(&port->lock);
-
-       irqstat = adm_uart_readl(port, UART_IIR_REG);
-
-       if (irqstat & (UART_RX_INT|UART_RX_TIMEOUT_INT)) {
-               adm_uart_do_rx(port);
-       }
-
-       if (irqstat & UART_TX_INT) {
-               adm_uart_do_tx(port);
-       }
-       spin_unlock(&port->lock);
-       return IRQ_HANDLED;
-}
-
-/*
- * enable rx & tx operation on uart
- */
-static void adm_uart_enable(struct uart_port *port)
-{
-       unsigned int val;
-
-       val = adm_uart_readl(port, UART_CR_REG);
-       // BREAK_INT too
-       val |= (UART_RX_INT_EN | UART_RX_TIMEOUT_INT_EN);
-       adm_uart_writel(port, val, UART_CR_REG);
-}
-
-/*
- * disable rx & tx operation on uart
- */
-static void adm_uart_disable(struct uart_port *port)
-{
-       unsigned int val;
-
-       val = adm_uart_readl(port, UART_CR_REG);
-       val &= ~(UART_TX_INT_EN | UART_RX_INT_EN | UART_RX_TIMEOUT_INT_EN);
-       adm_uart_writel(port, val, UART_CR_REG);
-}
-
-/*
- * clear all unread data in rx fifo and unsent data in tx fifo
- */
-static void adm_uart_flush(struct uart_port *port)
-{
-       /* read any pending char to make sure all irq status are
-        * cleared */
-       (void)adm_uart_readl(port, UART_DR_REG);
-}
-
-/*
- * serial core request to initialize uart and start rx operation
- */
-static int adm_uart_startup(struct uart_port *port)
-{
-       int ret;
-
-       /* clear any pending external input interrupt */
-       (void)adm_uart_readl(port, UART_IIR_REG);
-
-       /* register irq and enable rx interrupts */
-       ret = request_irq(port->irq, adm_uart_interrupt, 0,
-                         adm_uart_type(port), port);
-       if (ret)
-               return ret;
-
-       adm_uart_enable(port);
-
-       return 0;
-}
-
-/*
- * serial core request to flush & disable uart
- */
-static void adm_uart_shutdown(struct uart_port *port)
-{
-       unsigned long flags;
-
-       spin_lock_irqsave(&port->lock, flags);
-//     adm_uart_writel(port, 0, UART_CR_REG);
-       spin_unlock_irqrestore(&port->lock, flags);
-
-       adm_uart_disable(port);
-       adm_uart_flush(port);
-       free_irq(port->irq, port);
-}
-
-/*
- * serial core request to change current uart setting
- */
-static void adm_uart_set_termios(struct uart_port *port,
-                                struct ktermios *new,
-                                struct ktermios *old)
-{
-       port->ignore_status_mask = 0;
-       uart_update_timeout(port, new->c_cflag, 115200);
-}
-
-/*
- * serial core request to claim uart iomem
- */
-static int adm_uart_request_port(struct uart_port *port)
-{
-       unsigned int size = 0xf;
-       if (!request_mem_region(port->mapbase, size, "adm8668")) {
-               dev_err(port->dev, "Memory region busy\n");
-               return -EBUSY;
-       }
-
-       port->membase = ioremap(port->mapbase, size);
-       if (!port->membase) {
-               dev_err(port->dev, "Unable to map registers\n");
-               release_mem_region(port->mapbase, size);
-               return -EBUSY;
-       }
-       return 0;
-}
-
-/*
- * serial core request to release uart iomem
- */
-static void adm_uart_release_port(struct uart_port *port)
-{
-       release_mem_region(port->mapbase, 0xf);
-       iounmap(port->membase);
-}
-
-/*
- * serial core request to do any port required autoconfiguration
- */
-static void adm_uart_config_port(struct uart_port *port, int flags)
-{
-       if (flags & UART_CONFIG_TYPE) {
-               if (adm_uart_request_port(port))
-                       return;
-               port->type = PORT_ADM8668;
-       }
-}
-
-/*
- * serial core request to check that port information in serinfo are
- * suitable
- */
-static int adm_uart_verify_port(struct uart_port *port,
-                               struct serial_struct *serinfo)
-{
-       if (port->type != PORT_ADM8668)
-               return -EINVAL;
-       if (port->irq != serinfo->irq)
-               return -EINVAL;
-       if (port->iotype != serinfo->io_type)
-               return -EINVAL;
-       if (port->mapbase != (unsigned long)serinfo->iomem_base)
-               return -EINVAL;
-       return 0;
-}
-
-/* serial core callbacks */
-static struct uart_ops adm_uart_ops = {
-       .tx_empty       = adm_uart_tx_empty,
-       .get_mctrl      = adm_uart_get_mctrl,
-       .set_mctrl      = adm_uart_set_mctrl,
-       .start_tx       = adm_uart_start_tx,
-       .stop_tx        = adm_uart_stop_tx,
-       .stop_rx        = adm_uart_stop_rx,
-       .enable_ms      = adm_uart_enable_ms,
-       .break_ctl      = adm_uart_break_ctl,
-       .startup        = adm_uart_startup,
-       .shutdown       = adm_uart_shutdown,
-       .set_termios    = adm_uart_set_termios,
-       .type           = adm_uart_type,
-       .release_port   = adm_uart_release_port,
-       .request_port   = adm_uart_request_port,
-       .config_port    = adm_uart_config_port,
-       .verify_port    = adm_uart_verify_port,
-};
-
-#ifdef CONFIG_SERIAL_ADM8668_CONSOLE
-static inline void wait_for_xmitr(struct uart_port *port)
-{
-        while ((adm_uart_readl(port, UART_FR_REG) & UART_TX_FIFO_FULL) != 0)
-                ;
-}
-
-/*
- * output given char
- */
-static void adm_console_putchar(struct uart_port *port, int ch)
-{
-       wait_for_xmitr(port);
-       adm_uart_writel(port, ch, UART_DR_REG);
-}
-
-/*
- * console core request to output given string
- */
-static void adm_console_write(struct console *co, const char *s,
-                             unsigned int count)
-{
-       struct uart_port *port;
-       unsigned long flags;
-       int locked;
-
-       port = &ports[co->index];
-
-       local_irq_save(flags);
-       if (port->sysrq) {
-               /* adm_uart_interrupt() already took the lock */
-               locked = 0;
-       } else if (oops_in_progress) {
-               locked = spin_trylock(&port->lock);
-       } else {
-               spin_lock(&port->lock);
-               locked = 1;
-       }
-
-       /* call helper to deal with \r\n */
-       uart_console_write(port, s, count, adm_console_putchar);
-
-       /* and wait for char to be transmitted */
-       wait_for_xmitr(port);
-
-       if (locked)
-               spin_unlock(&port->lock);
-       local_irq_restore(flags);
-}
-
-/*
- * console core request to setup given console, find matching uart
- * port and setup it.
- */
-static int adm_console_setup(struct console *co, char *options)
-{
-       struct uart_port *port;
-       int baud = 115200;
-       int bits = 8;
-       int parity = 'n';
-       int flow = 'n';
-
-       if (co->index < 0 || co->index >= ADM8668_NR_UARTS)
-               return -EINVAL;
-       port = &ports[co->index];
-       if (!port->membase)
-               return -ENODEV;
-
-       if (options)
-               uart_parse_options(options, &baud, &parity, &bits, &flow);
-
-       return uart_set_options(port, co, baud, parity, bits, flow);
-}
-
-static struct uart_driver adm_uart_driver;
-
-static struct console adm8668_console = {
-       .name           = "ttyS",
-       .write          = adm_console_write,
-       .device         = uart_console_device,
-       .setup          = adm_console_setup,
-       .flags          = CON_PRINTBUFFER,
-       .index          = -1,
-       .data           = &adm_uart_driver,
-};
-
-static int __init adm8668_console_init(void)
-{
-       register_console(&adm8668_console);
-       return 0;
-}
-
-console_initcall(adm8668_console_init);
-
-#define ADM8668_CONSOLE        (&adm8668_console)
-#else
-#define ADM8668_CONSOLE        NULL
-#endif /* CONFIG_SERIAL_ADM8668_CONSOLE */
-
-static struct uart_driver adm_uart_driver = {
-       .owner          = THIS_MODULE,
-       .driver_name    = "adm8668_uart",
-       .dev_name       = "ttyS",
-       .major          = TTY_MAJOR,
-       .minor          = 64,
-       .nr             = 1,
-       .cons           = ADM8668_CONSOLE,
-};
-
-/*
- * platform driver probe/remove callback
- */
-static int __devinit adm_uart_probe(struct platform_device *pdev)
-{
-       struct resource *res_mem, *res_irq;
-       struct uart_port *port;
-       int ret;
-
-       if (pdev->id < 0 || pdev->id >= ADM8668_NR_UARTS)
-               return -EINVAL;
-
-       if (ports[pdev->id].membase)
-               return -EBUSY;
-
-       res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res_mem)
-               return -ENODEV;
-
-       res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-       if (!res_irq)
-               return -ENODEV;
-
-       port = &ports[pdev->id];
-       memset(port, 0, sizeof(*port));
-       port->iotype = UPIO_MEM;
-       port->mapbase = res_mem->start;
-       port->irq = res_irq->start;
-       port->ops = &adm_uart_ops;
-       port->flags = UPF_BOOT_AUTOCONF;
-       port->dev = &pdev->dev;
-       port->fifosize = 8;
-       port->uartclk = ADM8668_UARTCLK_FREQ;
-
-       ret = uart_add_one_port(&adm_uart_driver, port);
-       if (ret) {
-               ports[pdev->id].membase = 0;
-               return ret;
-       }
-       platform_set_drvdata(pdev, port);
-       return 0;
-}
-
-static int __devexit adm_uart_remove(struct platform_device *pdev)
-{
-       struct uart_port *port;
-
-       port = platform_get_drvdata(pdev);
-       uart_remove_one_port(&adm_uart_driver, port);
-       platform_set_drvdata(pdev, NULL);
-       /* mark port as free */
-       ports[pdev->id].membase = 0;
-       return 0;
-}
-
-/*
- * platform driver stuff
- */
-static struct platform_driver adm_uart_platform_driver = {
-       .probe  = adm_uart_probe,
-       .remove = __devexit_p(adm_uart_remove),
-       .driver = {
-               .owner = THIS_MODULE,
-               .name  = "adm8668_uart",
-       },
-};
-
-static int __init adm_uart_init(void)
-{
-       int ret;
-
-       ret = uart_register_driver(&adm_uart_driver);
-       if (ret)
-               return ret;
-
-       ret = platform_driver_register(&adm_uart_platform_driver);
-       if (ret)
-               uart_unregister_driver(&adm_uart_driver);
-
-       return ret;
-}
-
-static void __exit adm_uart_exit(void)
-{
-       platform_driver_unregister(&adm_uart_platform_driver);
-       uart_unregister_driver(&adm_uart_driver);
-}
-
-module_init(adm_uart_init);
-module_exit(adm_uart_exit);
-
-MODULE_AUTHOR("Scott Nicholas <neutronscott@scottn.us>");
-MODULE_DESCRIPTION("ADM8668 integrated uart driver");
-MODULE_LICENSE("GPL");
diff --git a/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/asm/sizes.h b/target/linux/adm8668/files/arch/mips/include/asm/mach-adm8668/asm/sizes.h
new file mode 100644 (file)
index 0000000..503843d
--- /dev/null
@@ -0,0 +1,56 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+/* DO NOT EDIT!! - this file automatically generated
+ *                 from .s file by awk -f s2h.awk
+ */
+/*  Size definitions
+ *  Copyright (C) ARM Limited 1998. All rights reserved.
+ */
+
+#ifndef __sizes_h
+#define __sizes_h                       1
+
+/* handy sizes */
+#define SZ_16                          0x00000010
+#define SZ_256                         0x00000100
+#define SZ_512                         0x00000200
+
+#define SZ_1K                           0x00000400
+#define SZ_4K                           0x00001000
+#define SZ_8K                           0x00002000
+#define SZ_16K                          0x00004000
+#define SZ_64K                          0x00010000
+#define SZ_128K                         0x00020000
+#define SZ_256K                         0x00040000
+#define SZ_512K                         0x00080000
+
+#define SZ_1M                           0x00100000
+#define SZ_2M                           0x00200000
+#define SZ_4M                           0x00400000
+#define SZ_8M                           0x00800000
+#define SZ_16M                          0x01000000
+#define SZ_32M                          0x02000000
+#define SZ_64M                          0x04000000
+#define SZ_128M                         0x08000000
+#define SZ_256M                         0x10000000
+#define SZ_512M                         0x20000000
+
+#define SZ_1G                           0x40000000
+#define SZ_2G                           0x80000000
+
+#endif
+
+/*         END */
index 53a627ecc1b6a0c3d01c5efd00dfa4851173b5aa..541b0bff59d4e314777b82b5e7e2bd33363a5a18 100644 (file)
@@ -10,7 +10,7 @@
  include $(patsubst %, $(srctree)/arch/mips/%/Platform, $(platforms))
 --- a/arch/mips/Kconfig
 +++ b/arch/mips/Kconfig
-@@ -105,6 +105,27 @@ config BCM47XX
+@@ -105,6 +105,25 @@ config BCM47XX
        help
         Support for BCM47XX based boards
  
@@ -28,8 +28,6 @@
 +      select SYS_SUPPORTS_32BIT_KERNEL
 +      select DMA_NONCOHERENT
 +      select SWAP_IO_SPACE
-+      select SERIAL_ADM8668
-+      select SERIAL_ADM8668_CONSOLE
 +      select SYS_HAS_EARLY_PRINTK
 +      help
 +              ADM8668 board support by neutronscott
  config BCM63XX
        bool "Broadcom BCM63XX based boards"
        select CEVT_R4K
+@@ -813,6 +833,7 @@ config NLM_XLP_BOARD
+ endchoice
++source "arch/mips/adm8668/Kconfig"
+ source "arch/mips/alchemy/Kconfig"
+ source "arch/mips/ath79/Kconfig"
+ source "arch/mips/bcm47xx/Kconfig"
diff --git a/target/linux/adm8668/patches-3.3/002-adm8668_uart.patch b/target/linux/adm8668/patches-3.3/002-adm8668_uart.patch
deleted file mode 100644 (file)
index ed55cbb..0000000
+++ /dev/null
@@ -1,40 +0,0 @@
---- a/drivers/tty/serial/Kconfig
-+++ b/drivers/tty/serial/Kconfig
-@@ -1192,6 +1192,25 @@ config SERIAL_BCM63XX_CONSOLE
-         If you have enabled the serial port on the bcm63xx CPU
-         you can make it the console by answering Y to this option.
-+config SERIAL_ADM8668
-+      tristate "ADM8668 serial port support"
-+      select SERIAL_CORE
-+      depends on ADM8668
-+      help
-+        If you have an adm8668 CPU, you can enable its onboard
-+        serial port by enabling this options.
-+
-+          To compile this driver as a module, choose M here: the
-+          module will be called adm8668_uart.
-+
-+config SERIAL_ADM8668_CONSOLE
-+      bool "Console on adm8668 serial port"
-+      depends on SERIAL_ADM8668=y
-+      select SERIAL_CORE_CONSOLE
-+      help
-+        If you have enabled the serial port on the adm8668 CPU
-+        you can make it the console by answering Y to this option.
-+
- config SERIAL_GRLIB_GAISLER_APBUART
-       tristate "GRLIB APBUART serial support"
-       depends on OF && SPARC
---- a/include/linux/serial_core.h
-+++ b/include/linux/serial_core.h
-@@ -211,6 +211,9 @@
- #define PORT_AR933X   99
-+/* ADM8668 UART */
-+#define       PORT_ADM8668    100
-+
- #ifdef __KERNEL__
- #include <linux/compiler.h>
diff --git a/target/linux/adm8668/patches-3.3/200-amba_pl010_hacks.patch b/target/linux/adm8668/patches-3.3/200-amba_pl010_hacks.patch
new file mode 100644 (file)
index 0000000..3c4ea35
--- /dev/null
@@ -0,0 +1,378 @@
+--- a/drivers/tty/serial/amba-pl010.c
++++ b/drivers/tty/serial/amba-pl010.c
+@@ -49,11 +49,10 @@
+ #include <asm/io.h>
+-#define UART_NR               8
+-
+ #define SERIAL_AMBA_MAJOR     204
+ #define SERIAL_AMBA_MINOR     16
+-#define SERIAL_AMBA_NR                UART_NR
++#define SERIAL_AMBA_NR                CONFIG_SERIAL_AMBA_PL010_NUMPORTS
++#define SERIAL_AMBA_NAME      CONFIG_SERIAL_AMBA_PL010_PORTNAME
+ #define AMBA_ISR_PASS_LIMIT   256
+@@ -79,9 +78,9 @@ static void pl010_stop_tx(struct uart_po
+       struct uart_amba_port *uap = (struct uart_amba_port *)port;
+       unsigned int cr;
+-      cr = readb(uap->port.membase + UART010_CR);
++      cr = __raw_readl(uap->port.membase + UART010_CR);
+       cr &= ~UART010_CR_TIE;
+-      writel(cr, uap->port.membase + UART010_CR);
++      __raw_writel(cr, uap->port.membase + UART010_CR);
+ }
+ static void pl010_start_tx(struct uart_port *port)
+@@ -89,9 +88,9 @@ static void pl010_start_tx(struct uart_p
+       struct uart_amba_port *uap = (struct uart_amba_port *)port;
+       unsigned int cr;
+-      cr = readb(uap->port.membase + UART010_CR);
++      cr = __raw_readl(uap->port.membase + UART010_CR);
+       cr |= UART010_CR_TIE;
+-      writel(cr, uap->port.membase + UART010_CR);
++      __raw_writel(cr, uap->port.membase + UART010_CR);
+ }
+ static void pl010_stop_rx(struct uart_port *port)
+@@ -99,9 +98,9 @@ static void pl010_stop_rx(struct uart_po
+       struct uart_amba_port *uap = (struct uart_amba_port *)port;
+       unsigned int cr;
+-      cr = readb(uap->port.membase + UART010_CR);
++      cr = __raw_readl(uap->port.membase + UART010_CR);
+       cr &= ~(UART010_CR_RIE | UART010_CR_RTIE);
+-      writel(cr, uap->port.membase + UART010_CR);
++      __raw_writel(cr, uap->port.membase + UART010_CR);
+ }
+ static void pl010_enable_ms(struct uart_port *port)
+@@ -109,9 +108,9 @@ static void pl010_enable_ms(struct uart_
+       struct uart_amba_port *uap = (struct uart_amba_port *)port;
+       unsigned int cr;
+-      cr = readb(uap->port.membase + UART010_CR);
++      cr = __raw_readl(uap->port.membase + UART010_CR);
+       cr |= UART010_CR_MSIE;
+-      writel(cr, uap->port.membase + UART010_CR);
++      __raw_writel(cr, uap->port.membase + UART010_CR);
+ }
+ static void pl010_rx_chars(struct uart_amba_port *uap)
+@@ -119,9 +118,9 @@ static void pl010_rx_chars(struct uart_a
+       struct tty_struct *tty = uap->port.state->port.tty;
+       unsigned int status, ch, flag, rsr, max_count = 256;
+-      status = readb(uap->port.membase + UART01x_FR);
++      status = __raw_readl(uap->port.membase + UART01x_FR);
+       while (UART_RX_DATA(status) && max_count--) {
+-              ch = readb(uap->port.membase + UART01x_DR);
++              ch = __raw_readl(uap->port.membase + UART01x_DR);
+               flag = TTY_NORMAL;
+               uap->port.icount.rx++;
+@@ -130,9 +129,9 @@ static void pl010_rx_chars(struct uart_a
+                * Note that the error handling code is
+                * out of the main execution path
+                */
+-              rsr = readb(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
++              rsr = __raw_readl(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
+               if (unlikely(rsr & UART01x_RSR_ANY)) {
+-                      writel(0, uap->port.membase + UART01x_ECR);
++                      __raw_writel(0, uap->port.membase + UART01x_ECR);
+                       if (rsr & UART01x_RSR_BE) {
+                               rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
+@@ -162,7 +161,7 @@ static void pl010_rx_chars(struct uart_a
+               uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
+       ignore_char:
+-              status = readb(uap->port.membase + UART01x_FR);
++              status = __raw_readl(uap->port.membase + UART01x_FR);
+       }
+       spin_unlock(&uap->port.lock);
+       tty_flip_buffer_push(tty);
+@@ -175,7 +174,7 @@ static void pl010_tx_chars(struct uart_a
+       int count;
+       if (uap->port.x_char) {
+-              writel(uap->port.x_char, uap->port.membase + UART01x_DR);
++              __raw_writel(uap->port.x_char, uap->port.membase + UART01x_DR);
+               uap->port.icount.tx++;
+               uap->port.x_char = 0;
+               return;
+@@ -187,7 +186,7 @@ static void pl010_tx_chars(struct uart_a
+       count = uap->port.fifosize >> 1;
+       do {
+-              writel(xmit->buf[xmit->tail], uap->port.membase + UART01x_DR);
++              __raw_writel(xmit->buf[xmit->tail], uap->port.membase + UART01x_DR);
+               xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+               uap->port.icount.tx++;
+               if (uart_circ_empty(xmit))
+@@ -205,9 +204,9 @@ static void pl010_modem_status(struct ua
+ {
+       unsigned int status, delta;
+-      writel(0, uap->port.membase + UART010_ICR);
++      __raw_writel(0, uap->port.membase + UART010_ICR);
+-      status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
++      status = __raw_readl(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
+       delta = status ^ uap->old_status;
+       uap->old_status = status;
+@@ -235,7 +234,7 @@ static irqreturn_t pl010_int(int irq, vo
+       spin_lock(&uap->port.lock);
+-      status = readb(uap->port.membase + UART010_IIR);
++      status = __raw_readl(uap->port.membase + UART010_IIR);
+       if (status) {
+               do {
+                       if (status & (UART010_IIR_RTIS | UART010_IIR_RIS))
+@@ -248,7 +247,7 @@ static irqreturn_t pl010_int(int irq, vo
+                       if (pass_counter-- == 0)
+                               break;
+-                      status = readb(uap->port.membase + UART010_IIR);
++                      status = __raw_readl(uap->port.membase + UART010_IIR);
+               } while (status & (UART010_IIR_RTIS | UART010_IIR_RIS |
+                                  UART010_IIR_TIS));
+               handled = 1;
+@@ -262,7 +261,7 @@ static irqreturn_t pl010_int(int irq, vo
+ static unsigned int pl010_tx_empty(struct uart_port *port)
+ {
+       struct uart_amba_port *uap = (struct uart_amba_port *)port;
+-      unsigned int status = readb(uap->port.membase + UART01x_FR);
++      unsigned int status = __raw_readl(uap->port.membase + UART01x_FR);
+       return status & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
+ }
+@@ -272,7 +271,7 @@ static unsigned int pl010_get_mctrl(stru
+       unsigned int result = 0;
+       unsigned int status;
+-      status = readb(uap->port.membase + UART01x_FR);
++      status = __raw_readl(uap->port.membase + UART01x_FR);
+       if (status & UART01x_FR_DCD)
+               result |= TIOCM_CAR;
+       if (status & UART01x_FR_DSR)
+@@ -298,12 +297,12 @@ static void pl010_break_ctl(struct uart_
+       unsigned int lcr_h;
+       spin_lock_irqsave(&uap->port.lock, flags);
+-      lcr_h = readb(uap->port.membase + UART010_LCRH);
++      lcr_h = __raw_readl(uap->port.membase + UART010_LCRH);
+       if (break_state == -1)
+               lcr_h |= UART01x_LCRH_BRK;
+       else
+               lcr_h &= ~UART01x_LCRH_BRK;
+-      writel(lcr_h, uap->port.membase + UART010_LCRH);
++      __raw_writel(lcr_h, uap->port.membase + UART010_LCRH);
+       spin_unlock_irqrestore(&uap->port.lock, flags);
+ }
+@@ -335,12 +334,12 @@ static int pl010_startup(struct uart_por
+       /*
+        * initialise the old status of the modem signals
+        */
+-      uap->old_status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
++      uap->old_status = __raw_readl(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
+       /*
+        * Finally, enable interrupts
+        */
+-      writel(UART01x_CR_UARTEN | UART010_CR_RIE | UART010_CR_RTIE,
++      __raw_writel(UART01x_CR_UARTEN | UART010_CR_RIE | UART010_CR_RTIE,
+              uap->port.membase + UART010_CR);
+       return 0;
+@@ -365,10 +364,10 @@ static void pl010_shutdown(struct uart_p
+       /*
+        * disable all interrupts, disable the port
+        */
+-      writel(0, uap->port.membase + UART010_CR);
++      __raw_writel(0, uap->port.membase + UART010_CR);
+       /* disable break condition and fifos */
+-      writel(readb(uap->port.membase + UART010_LCRH) &
++      __raw_writel(__raw_readl(uap->port.membase + UART010_LCRH) &
+               ~(UART01x_LCRH_BRK | UART01x_LCRH_FEN),
+              uap->port.membase + UART010_LCRH);
+@@ -391,7 +390,7 @@ pl010_set_termios(struct uart_port *port
+       /*
+        * Ask the core to calculate the divisor for us.
+        */
+-      baud = uart_get_baud_rate(port, termios, old, 0, uap->port.uartclk/16); 
++      baud = uart_get_baud_rate(port, termios, old, 0, uap->port.uartclk/16);
+       quot = uart_get_divisor(port, baud);
+       switch (termios->c_cflag & CSIZE) {
+@@ -454,25 +453,25 @@ pl010_set_termios(struct uart_port *port
+               uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX;
+       /* first, disable everything */
+-      old_cr = readb(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE;
++      old_cr = __raw_readl(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE;
+       if (UART_ENABLE_MS(port, termios->c_cflag))
+               old_cr |= UART010_CR_MSIE;
+-      writel(0, uap->port.membase + UART010_CR);
++      __raw_writel(0, uap->port.membase + UART010_CR);
+       /* Set baud rate */
+       quot -= 1;
+-      writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM);
+-      writel(quot & 0xff, uap->port.membase + UART010_LCRL);
++      __raw_writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM);
++      __raw_writel(quot & 0xff, uap->port.membase + UART010_LCRL);
+       /*
+        * ----------v----------v----------v----------v-----
+        * NOTE: MUST BE WRITTEN AFTER UARTLCR_M & UARTLCR_L
+        * ----------^----------^----------^----------^-----
+        */
+-      writel(lcr_h, uap->port.membase + UART010_LCRH);
+-      writel(old_cr, uap->port.membase + UART010_CR);
++      __raw_writel(lcr_h, uap->port.membase + UART010_LCRH);
++      __raw_writel(old_cr, uap->port.membase + UART010_CR);
+       spin_unlock_irqrestore(&uap->port.lock, flags);
+ }
+@@ -554,7 +553,7 @@ static struct uart_ops amba_pl010_pops =
+       .verify_port    = pl010_verify_port,
+ };
+-static struct uart_amba_port *amba_ports[UART_NR];
++static struct uart_amba_port *amba_ports[SERIAL_AMBA_NR];
+ #ifdef CONFIG_SERIAL_AMBA_PL010_CONSOLE
+@@ -564,10 +563,10 @@ static void pl010_console_putchar(struct
+       unsigned int status;
+       do {
+-              status = readb(uap->port.membase + UART01x_FR);
++              status = __raw_readl(uap->port.membase + UART01x_FR);
+               barrier();
+       } while (!UART_TX_READY(status));
+-      writel(ch, uap->port.membase + UART01x_DR);
++      __raw_writel(ch, uap->port.membase + UART01x_DR);
+ }
+ static void
+@@ -581,8 +580,8 @@ pl010_console_write(struct console *co,
+       /*
+        *      First save the CR then disable the interrupts
+        */
+-      old_cr = readb(uap->port.membase + UART010_CR);
+-      writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR);
++      old_cr = __raw_readl(uap->port.membase + UART010_CR);
++      __raw_writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR);
+       uart_console_write(&uap->port, s, count, pl010_console_putchar);
+@@ -591,10 +590,10 @@ pl010_console_write(struct console *co,
+        *      and restore the TCR
+        */
+       do {
+-              status = readb(uap->port.membase + UART01x_FR);
++              status = __raw_readl(uap->port.membase + UART01x_FR);
+               barrier();
+       } while (status & UART01x_FR_BUSY);
+-      writel(old_cr, uap->port.membase + UART010_CR);
++      __raw_writel(old_cr, uap->port.membase + UART010_CR);
+       clk_disable(uap->clk);
+ }
+@@ -603,9 +602,9 @@ static void __init
+ pl010_console_get_options(struct uart_amba_port *uap, int *baud,
+                            int *parity, int *bits)
+ {
+-      if (readb(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) {
++      if (__raw_readl(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) {
+               unsigned int lcr_h, quot;
+-              lcr_h = readb(uap->port.membase + UART010_LCRH);
++              lcr_h = __raw_readl(uap->port.membase + UART010_LCRH);
+               *parity = 'n';
+               if (lcr_h & UART01x_LCRH_PEN) {
+@@ -620,8 +619,8 @@ pl010_console_get_options(struct uart_am
+               else
+                       *bits = 8;
+-              quot = readb(uap->port.membase + UART010_LCRL) |
+-                     readb(uap->port.membase + UART010_LCRM) << 8;
++              quot = __raw_readl(uap->port.membase + UART010_LCRL) |
++                     __raw_readl(uap->port.membase + UART010_LCRM) << 8;
+               *baud = uap->port.uartclk / (16 * (quot + 1));
+       }
+ }
+@@ -640,7 +639,7 @@ static int __init pl010_console_setup(st
+        * if so, search for the first available port that does have
+        * console support.
+        */
+-      if (co->index >= UART_NR)
++      if (co->index >= SERIAL_AMBA_NR)
+               co->index = 0;
+       uap = amba_ports[co->index];
+       if (!uap)
+@@ -662,7 +661,7 @@ static int __init pl010_console_setup(st
+ static struct uart_driver amba_reg;
+ static struct console amba_console = {
+-      .name           = "ttyAM",
++      .name           = SERIAL_AMBA_NAME,
+       .write          = pl010_console_write,
+       .device         = uart_console_device,
+       .setup          = pl010_console_setup,
+@@ -678,11 +677,11 @@ static struct console amba_console = {
+ static struct uart_driver amba_reg = {
+       .owner                  = THIS_MODULE,
+-      .driver_name            = "ttyAM",
+-      .dev_name               = "ttyAM",
++      .driver_name            = SERIAL_AMBA_NAME,
++      .dev_name               = SERIAL_AMBA_NAME,
+       .major                  = SERIAL_AMBA_MAJOR,
+       .minor                  = SERIAL_AMBA_MINOR,
+-      .nr                     = UART_NR,
++      .nr                     = SERIAL_AMBA_NR,
+       .cons                   = AMBA_CONSOLE,
+ };
+--- a/drivers/tty/serial/Kconfig
++++ b/drivers/tty/serial/Kconfig
+@@ -16,10 +16,25 @@ config SERIAL_AMBA_PL010
+       help
+         This selects the ARM(R) AMBA(R) PrimeCell PL010 UART.  If you have
+         an Integrator/AP or Integrator/PP2 platform, or if you have a
+-        Cirrus Logic EP93xx CPU, say Y or M here.
++        Cirrus Logic EP93xx CPU or an Infineon ADM5120 SOC, say Y or M here.
+         If unsure, say N.
++config SERIAL_AMBA_PL010_NUMPORTS
++      int "Maximum number of AMBA PL010 serial ports"
++      depends on SERIAL_AMBA_PL010
++      default "8"
++      ---help---
++        Set this to the number of serial ports you want the AMBA PL010 driver
++        to support.
++
++config SERIAL_AMBA_PL010_PORTNAME
++      string "Name of the AMBA PL010 serial ports"
++      depends on SERIAL_AMBA_PL010
++      default "ttyAM"
++      ---help---
++        ::: To be written :::
++
+ config SERIAL_AMBA_PL010_CONSOLE
+       bool "Support for console on AMBA serial port"
+       depends on SERIAL_AMBA_PL010=y
diff --git a/target/linux/adm8668/patches-3.3/201-amba_bus_hacks.patch b/target/linux/adm8668/patches-3.3/201-amba_bus_hacks.patch
new file mode 100644 (file)
index 0000000..2364d2a
--- /dev/null
@@ -0,0 +1,13 @@
+--- a/drivers/amba/bus.c
++++ b/drivers/amba/bus.c
+@@ -20,6 +20,10 @@
+ #include <asm/irq.h>
+ #include <asm/sizes.h>
++#ifndef NO_IRQ
++#define NO_IRQ                (-1)
++#endif
++
+ #define to_amba_driver(d)     container_of(d, struct amba_driver, drv)
+ static const struct amba_id *
index 33ca1a128af612e8281421b5adc50784a94ed930..77c903c06b6e27b46b05ccee627d850abf9a02bd 100644 (file)
@@ -66,11 +66,9 @@ Date:   Sun Nov 25 15:52:09 2012 -0500
     
     Signed-off-by: David S. Miller <davem@davemloft.net>
 
-diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
-index b01f83a..6cb96b4 100644
 --- a/drivers/net/ethernet/realtek/8139cp.c
 +++ b/drivers/net/ethernet/realtek/8139cp.c
-@@ -648,6 +648,7 @@ static void cp_tx (struct cp_private *cp)
+@@ -645,6 +645,7 @@ static void cp_tx (struct cp_private *cp
  {
        unsigned tx_head = cp->tx_head;
        unsigned tx_tail = cp->tx_tail;
@@ -78,7 +76,7 @@ index b01f83a..6cb96b4 100644
  
        while (tx_tail != tx_head) {
                struct cp_desc *txd = cp->tx_ring + tx_tail;
-@@ -666,6 +667,9 @@ static void cp_tx (struct cp_private *cp)
+@@ -663,6 +664,9 @@ static void cp_tx (struct cp_private *cp
                                 le32_to_cpu(txd->opts1) & 0xffff,
                                 PCI_DMA_TODEVICE);
  
@@ -88,7 +86,7 @@ index b01f83a..6cb96b4 100644
                if (status & LastFrag) {
                        if (status & (TxError | TxFIFOUnder)) {
                                netif_dbg(cp, tx_err, cp->dev,
-@@ -697,6 +701,7 @@ static void cp_tx (struct cp_private *cp)
+@@ -694,6 +698,7 @@ static void cp_tx (struct cp_private *cp
  
        cp->tx_tail = tx_tail;
  
@@ -96,7 +94,7 @@ index b01f83a..6cb96b4 100644
        if (TX_BUFFS_AVAIL(cp) > (MAX_SKB_FRAGS + 1))
                netif_wake_queue(cp->dev);
  }
-@@ -843,6 +848,8 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
+@@ -840,6 +845,8 @@ static netdev_tx_t cp_start_xmit (struct
                wmb();
        }
        cp->tx_head = entry;
@@ -105,7 +103,7 @@ index b01f83a..6cb96b4 100644
        netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n",
                  entry, skb->len);
        if (TX_BUFFS_AVAIL(cp) <= (MAX_SKB_FRAGS + 1))
-@@ -937,6 +944,8 @@ static void cp_stop_hw (struct cp_private *cp)
+@@ -934,6 +941,8 @@ static void cp_stop_hw (struct cp_privat
  
        cp->rx_tail = 0;
        cp->tx_head = cp->tx_tail = 0;
@@ -114,7 +112,7 @@ index b01f83a..6cb96b4 100644
  }
  
  static void cp_reset_hw (struct cp_private *cp)
-@@ -957,8 +966,38 @@ static void cp_reset_hw (struct cp_private *cp)
+@@ -954,8 +963,38 @@ static void cp_reset_hw (struct cp_priva
  
  static inline void cp_start_hw (struct cp_private *cp)
  {
@@ -153,7 +151,7 @@ index b01f83a..6cb96b4 100644
  }
  
  static void cp_enable_irq(struct cp_private *cp)
-@@ -969,7 +1008,6 @@ static void cp_enable_irq(struct cp_private *cp)
+@@ -966,7 +1005,6 @@ static void cp_enable_irq(struct cp_priv
  static void cp_init_hw (struct cp_private *cp)
  {
        struct net_device *dev = cp->dev;
@@ -161,7 +159,7 @@ index b01f83a..6cb96b4 100644
  
        cp_reset_hw(cp);
  
-@@ -992,17 +1030,6 @@ static void cp_init_hw (struct cp_private *cp)
+@@ -989,17 +1027,6 @@ static void cp_init_hw (struct cp_privat
  
        cpw8(Config5, cpr8(Config5) & PMEStatus);
  
@@ -179,7 +177,7 @@ index b01f83a..6cb96b4 100644
        cpw16(MultiIntr, 0);
  
        cpw8_f(Cfg9346, Cfg9346_Lock);
-@@ -1192,6 +1219,7 @@ static void cp_tx_timeout(struct net_device *dev)
+@@ -1188,6 +1215,7 @@ static void cp_tx_timeout(struct net_dev
        cp_clean_rings(cp);
        rc = cp_init_rings(cp);
        cp_start_hw(cp);
index 8af8a198f1a07227fdb4f0a234b3485ff6ea2389..56cda6b7e164d3af426bd54175b9f098fe7c126d 100644 (file)
@@ -3,8 +3,8 @@ TCP Small Queues) but we need it for pppoatm too.
 
 --- a/include/net/sock.h
 +++ b/include/net/sock.h
-@@ -858,6 +858,8 @@ struct proto {
-       int                     (*backlog_rcv) (struct sock *sk,
+@@ -810,6 +810,8 @@ struct proto {
+       int                     (*backlog_rcv) (struct sock *sk, 
                                                struct sk_buff *skb);
  
 +      void            (*release_cb)(struct sock *sk);
@@ -14,7 +14,7 @@ TCP Small Queues) but we need it for pppoatm too.
        void                    (*unhash)(struct sock *sk);
 --- a/net/core/sock.c
 +++ b/net/core/sock.c
-@@ -2159,6 +2159,10 @@ void release_sock(struct sock *sk)
+@@ -2138,6 +2138,10 @@ void release_sock(struct sock *sk)
        spin_lock_bh(&sk->sk_lock.slock);
        if (sk->sk_backlog.tail)
                __release_sock(sk);