MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.

Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/Kconfig

@@ -80,6 +80,21 @@ config BCM47XX
 	help
 	 Support for BCM47XX based boards
 
+config BCM63XX
+	bool "Broadcom BCM63XX based boards"
+	select CEVT_R4K
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select IRQ_CPU
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_HAS_EARLY_PRINTK
+	select SWAP_IO_SPACE
+	select ARCH_REQUIRE_GPIOLIB
+	help
+	 Support for BCM63XX based boards
+
 config MIPS_COBALT
 	bool "Cobalt Server"
 	select CEVT_R4K
@@ -645,6 +660,7 @@ endchoice
 
 source "arch/mips/alchemy/Kconfig"
 source "arch/mips/basler/excite/Kconfig"
+source "arch/mips/bcm63xx/Kconfig"
 source "arch/mips/jazz/Kconfig"
 source "arch/mips/lasat/Kconfig"
 source "arch/mips/pmc-sierra/Kconfig"

arch/mips/Makefile

@@ -564,6 +564,13 @@ core-$(CONFIG_BCM47XX)		+= arch/mips/bcm47xx/
 cflags-$(CONFIG_BCM47XX)	+= -I$(srctree)/arch/mips/include/asm/mach-bcm47xx
 load-$(CONFIG_BCM47XX)		:= 0xffffffff80001000
 
+#
+# Broadcom BCM63XX boards
+#
+core-$(CONFIG_BCM63XX)		+= arch/mips/bcm63xx/
+cflags-$(CONFIG_BCM63XX)	+= -I$(srctree)/arch/mips/include/asm/mach-bcm63xx/
+load-$(CONFIG_BCM63XX)		:= 0xffffffff80010000
+
 #
 # SNI RM
 #

arch/mips/bcm63xx/Kconfig

+menu "CPU support"
+	depends on BCM63XX
+
+config BCM63XX_CPU_6338
+	bool "support 6338 CPU"
+	select HW_HAS_PCI
+	select USB_ARCH_HAS_OHCI
+	select USB_OHCI_BIG_ENDIAN_DESC
+	select USB_OHCI_BIG_ENDIAN_MMIO
+
+config BCM63XX_CPU_6345
+	bool "support 6345 CPU"
+	select USB_OHCI_BIG_ENDIAN_DESC
+	select USB_OHCI_BIG_ENDIAN_MMIO
+
+config BCM63XX_CPU_6348
+	bool "support 6348 CPU"
+	select HW_HAS_PCI
+
+config BCM63XX_CPU_6358
+	bool "support 6358 CPU"
+	select HW_HAS_PCI
+endmenu
+
+source "arch/mips/bcm63xx/boards/Kconfig"

arch/mips/bcm63xx/Makefile

+obj-y		+= clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
+		   dev-dsp.o
+obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
+
+obj-y		+= boards/
+
+EXTRA_CFLAGS += -Werror

arch/mips/bcm63xx/boards/Kconfig

+choice
+	prompt "Board support"
+	depends on BCM63XX
+	default BOARD_BCM963XX
+
+config BOARD_BCM963XX
+       bool "Generic Broadcom 963xx boards"
+	select SSB
+       help
+
+endchoice

arch/mips/bcm63xx/boards/Makefile

+obj-$(CONFIG_BOARD_BCM963XX)		+= board_bcm963xx.o
+
+EXTRA_CFLAGS += -Werror

arch/mips/bcm63xx/clk.c

+/*
+ * 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) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_clk.h>
+
+static DEFINE_MUTEX(clocks_mutex);
+
+
+static void clk_enable_unlocked(struct clk *clk)
+{
+	if (clk->set && (clk->usage++) == 0)
+		clk->set(clk, 1);
+}
+
+static void clk_disable_unlocked(struct clk *clk)
+{
+	if (clk->set && (--clk->usage) == 0)
+		clk->set(clk, 0);
+}
+
+static void bcm_hwclock_set(u32 mask, int enable)
+{
+	u32 reg;
+
+	reg = bcm_perf_readl(PERF_CKCTL_REG);
+	if (enable)
+		reg |= mask;
+	else
+		reg &= ~mask;
+	bcm_perf_writel(reg, PERF_CKCTL_REG);
+}
+
+/*
+ * Ethernet MAC "misc" clock: dma clocks and main clock on 6348
+ */
+static void enet_misc_set(struct clk *clk, int enable)
+{
+	u32 mask;
+
+	if (BCMCPU_IS_6338())
+		mask = CKCTL_6338_ENET_EN;
+	else if (BCMCPU_IS_6345())
+		mask = CKCTL_6345_ENET_EN;
+	else if (BCMCPU_IS_6348())
+		mask = CKCTL_6348_ENET_EN;
+	else
+		/* BCMCPU_IS_6358 */
+		mask = CKCTL_6358_EMUSB_EN;
+	bcm_hwclock_set(mask, enable);
+}
+
+static struct clk clk_enet_misc = {
+	.set	= enet_misc_set,
+};
+
+/*
+ * Ethernet MAC clocks: only revelant on 6358, silently enable misc
+ * clocks
+ */
+static void enetx_set(struct clk *clk, int enable)
+{
+	if (enable)
+		clk_enable_unlocked(&clk_enet_misc);
+	else
+		clk_disable_unlocked(&clk_enet_misc);
+
+	if (BCMCPU_IS_6358()) {
+		u32 mask;
+
+		if (clk->id == 0)
+			mask = CKCTL_6358_ENET0_EN;
+		else
+			mask = CKCTL_6358_ENET1_EN;
+		bcm_hwclock_set(mask, enable);
+	}
+}
+
+static struct clk clk_enet0 = {
+	.id	= 0,
+	.set	= enetx_set,
+};
+
+static struct clk clk_enet1 = {
+	.id	= 1,
+	.set	= enetx_set,
+};
+
+/*
+ * Ethernet PHY clock
+ */
+static void ephy_set(struct clk *clk, int enable)
+{
+	if (!BCMCPU_IS_6358())
+		return;
+	bcm_hwclock_set(CKCTL_6358_EPHY_EN, enable);
+}
+
+
+static struct clk clk_ephy = {
+	.set	= ephy_set,
+};
+
+/*
+ * PCM clock
+ */
+static void pcm_set(struct clk *clk, int enable)
+{
+	if (!BCMCPU_IS_6358())
+		return;
+	bcm_hwclock_set(CKCTL_6358_PCM_EN, enable);
+}
+
+static struct clk clk_pcm = {
+	.set	= pcm_set,
+};
+
+/*
+ * USB host clock
+ */
+static void usbh_set(struct clk *clk, int enable)
+{
+	if (!BCMCPU_IS_6348())
+		return;
+	bcm_hwclock_set(CKCTL_6348_USBH_EN, enable);
+}
+
+static struct clk clk_usbh = {
+	.set	= usbh_set,
+};
+
+/*
+ * SPI clock
+ */
+static void spi_set(struct clk *clk, int enable)
+{
+	u32 mask;
+
+	if (BCMCPU_IS_6338())
+		mask = CKCTL_6338_SPI_EN;
+	else if (BCMCPU_IS_6348())
+		mask = CKCTL_6348_SPI_EN;
+	else
+		/* BCMCPU_IS_6358 */
+		mask = CKCTL_6358_SPI_EN;
+	bcm_hwclock_set(mask, enable);
+}
+
+static struct clk clk_spi = {
+	.set	= spi_set,
+};
+
+/*
+ * Internal peripheral clock
+ */
+static struct clk clk_periph = {
+	.rate	= (50 * 1000 * 1000),
+};
+
+
+/*
+ * Linux clock API implementation
+ */
+int clk_enable(struct clk *clk)
+{
+	mutex_lock(&clocks_mutex);
+	clk_enable_unlocked(clk);
+	mutex_unlock(&clocks_mutex);
+	return 0;
+}
+
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+	mutex_lock(&clocks_mutex);
+	clk_disable_unlocked(clk);
+	mutex_unlock(&clocks_mutex);
+}
+
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+	return clk->rate;
+}
+
+EXPORT_SYMBOL(clk_get_rate);
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+	if (!strcmp(id, "enet0"))
+		return &clk_enet0;
+	if (!strcmp(id, "enet1"))
+		return &clk_enet1;
+	if (!strcmp(id, "ephy"))
+		return &clk_ephy;
+	if (!strcmp(id, "usbh"))
+		return &clk_usbh;
+	if (!strcmp(id, "spi"))
+		return &clk_spi;
+	if (!strcmp(id, "periph"))
+		return &clk_periph;
+	if (BCMCPU_IS_6358() && !strcmp(id, "pcm"))
+		return &clk_pcm;
+	return ERR_PTR(-ENOENT);
+}
+
+EXPORT_SYMBOL(clk_get);
+
+void clk_put(struct clk *clk)
+{
+}
+
+EXPORT_SYMBOL(clk_put);

arch/mips/bcm63xx/cs.c

+/*
+ * 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) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/log2.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_cs.h>
+
+static DEFINE_SPINLOCK(bcm63xx_cs_lock);
+
+/*
+ * check if given chip select exists
+ */
+static int is_valid_cs(unsigned int cs)
+{
+	if (cs > 6)
+		return 0;
+	return 1;
+}
+
+/*
+ * Configure chipselect base address and size (bytes).
+ * Size must be a power of two between 8k and 256M.
+ */
+int bcm63xx_set_cs_base(unsigned int cs, u32 base, unsigned int size)
+{
+	unsigned long flags;
+	u32 val;
+
+	if (!is_valid_cs(cs))
+		return -EINVAL;
+
+	/* sanity check on size */
+	if (size != roundup_pow_of_two(size))
+		return -EINVAL;
+
+	if (size < 8 * 1024 || size > 256 * 1024 * 1024)
+		return -EINVAL;
+
+	val = (base & MPI_CSBASE_BASE_MASK);
+	/* 8k => 0 - 256M => 15 */
+	val |= (ilog2(size) - ilog2(8 * 1024)) << MPI_CSBASE_SIZE_SHIFT;
+
+	spin_lock_irqsave(&bcm63xx_cs_lock, flags);
+	bcm_mpi_writel(val, MPI_CSBASE_REG(cs));
+	spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
+
+	return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_set_cs_base);
+
+/*
+ * configure chipselect timing (ns)
+ */
+int bcm63xx_set_cs_timing(unsigned int cs, unsigned int wait,
+			   unsigned int setup, unsigned int hold)
+{
+	unsigned long flags;
+	u32 val;
+
+	if (!is_valid_cs(cs))
+		return -EINVAL;
+
+	spin_lock_irqsave(&bcm63xx_cs_lock, flags);
+	val = bcm_mpi_readl(MPI_CSCTL_REG(cs));
+	val &= ~(MPI_CSCTL_WAIT_MASK);
+	val &= ~(MPI_CSCTL_SETUP_MASK);
+	val &= ~(MPI_CSCTL_HOLD_MASK);
+	val |= wait << MPI_CSCTL_WAIT_SHIFT;
+	val |= setup << MPI_CSCTL_SETUP_SHIFT;
+	val |= hold << MPI_CSCTL_HOLD_SHIFT;
+	bcm_mpi_writel(val, MPI_CSCTL_REG(cs));
+	spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
+
+	return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_set_cs_timing);
+
+/*
+ * configure other chipselect parameter (data bus size, ...)
+ */
+int bcm63xx_set_cs_param(unsigned int cs, u32 params)
+{
+	unsigned long flags;
+	u32 val;
+
+	if (!is_valid_cs(cs))
+		return -EINVAL;
+
+	/* none of this fields apply to pcmcia */
+	if (cs == MPI_CS_PCMCIA_COMMON ||
+	    cs == MPI_CS_PCMCIA_ATTR ||
+	    cs == MPI_CS_PCMCIA_IO)
+		return -EINVAL;
+
+	spin_lock_irqsave(&bcm63xx_cs_lock, flags);
+	val = bcm_mpi_readl(MPI_CSCTL_REG(cs));
+	val &= ~(MPI_CSCTL_DATA16_MASK);
+	val &= ~(MPI_CSCTL_SYNCMODE_MASK);
+	val &= ~(MPI_CSCTL_TSIZE_MASK);
+	val &= ~(MPI_CSCTL_ENDIANSWAP_MASK);
+	val |= params;
+	bcm_mpi_writel(val, MPI_CSCTL_REG(cs));
+	spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
+
+	return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_set_cs_param);
+
+/*
+ * set cs status (enable/disable)
+ */
+int bcm63xx_set_cs_status(unsigned int cs, int enable)
+{
+	unsigned long flags;
+	u32 val;
+
+	if (!is_valid_cs(cs))
+		return -EINVAL;
+
+	spin_lock_irqsave(&bcm63xx_cs_lock, flags);
+	val = bcm_mpi_readl(MPI_CSCTL_REG(cs));
+	if (enable)
+		val |= MPI_CSCTL_ENABLE_MASK;
+	else
+		val &= ~MPI_CSCTL_ENABLE_MASK;
+	bcm_mpi_writel(val, MPI_CSCTL_REG(cs));
+	spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
+	return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_set_cs_status);

arch/mips/bcm63xx/dev-dsp.c

+/*
+ * Broadcom BCM63xx VoIP DSP registration
+ *
+ * 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) 2009 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_dev_dsp.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+
+static struct resource voip_dsp_resources[] = {
+	{
+		.start		= -1, /* filled at runtime */
+		.end		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device bcm63xx_voip_dsp_device = {
+	.name		= "bcm63xx-voip-dsp",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(voip_dsp_resources),
+	.resource	= voip_dsp_resources,
+};
+
+int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd)
+{
+	struct bcm63xx_dsp_platform_data *dpd;
+	u32 val;
+
+	/* Get the memory window */
+	val = bcm_mpi_readl(MPI_CSBASE_REG(pd->cs - 1));
+	val &= MPI_CSBASE_BASE_MASK;
+	voip_dsp_resources[0].start = val;
+	voip_dsp_resources[0].end = val + 0xFFFFFFF;
+	voip_dsp_resources[1].start = pd->ext_irq;
+
+	/* copy given platform data */
+	dpd = bcm63xx_voip_dsp_device.dev.platform_data;
+	memcpy(dpd, pd, sizeof (*pd));
+
+	return platform_device_register(&bcm63xx_voip_dsp_device);
+}

arch/mips/bcm63xx/early_printk.c

+/*
+ * 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) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+
+static void __init wait_xfered(void)
+{
+	unsigned int val;
+
+	/* wait for any previous char to be transmitted */
+	do {
+		val = bcm_uart0_readl(UART_IR_REG);
+		if (val & UART_IR_STAT(UART_IR_TXEMPTY))
+			break;
+	} while (1);
+}
+
+void __init prom_putchar(char c)
+{
+	wait_xfered();
+	bcm_uart0_writel(c, UART_FIFO_REG);
+	wait_xfered();
+}

arch/mips/bcm63xx/gpio.c

+/*
+ * 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) 2008 Maxime Bizon <mbizon@freebox.fr>
+ * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_gpio.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+
+static DEFINE_SPINLOCK(bcm63xx_gpio_lock);
+static u32 gpio_out_low, gpio_out_high;
+
+static void bcm63xx_gpio_set(struct gpio_chip *chip,
+			     unsigned gpio, int val)
+{
+	u32 reg;
+	u32 mask;
+	u32 *v;
+	unsigned long flags;
+
+	if (gpio >= chip->ngpio)
+		BUG();
+
+	if (gpio < 32) {
+		reg = GPIO_DATA_LO_REG;
+		mask = 1 << gpio;
+		v = &gpio_out_low;
+	} else {
+		reg = GPIO_DATA_HI_REG;
+		mask = 1 << (gpio - 32);
+		v = &gpio_out_high;
+	}
+
+	spin_lock_irqsave(&bcm63xx_gpio_lock, flags);
+	if (val)
+		*v |= mask;
+	else
+		*v &= ~mask;
+	bcm_gpio_writel(*v, reg);
+	spin_unlock_irqrestore(&bcm63xx_gpio_lock, flags);
+}
+
+static int bcm63xx_gpio_get(struct gpio_chip *chip, unsigned gpio)
+{
+	u32 reg;
+	u32 mask;
+
+	if (gpio >= chip->ngpio)
+		BUG();
+
+	if (gpio < 32) {
+		reg = GPIO_DATA_LO_REG;
+		mask = 1 << gpio;
+	} else {
+		reg = GPIO_DATA_HI_REG;
+		mask = 1 << (gpio - 32);
+	}
+
+	return !!(bcm_gpio_readl(reg) & mask);
+}
+
+static int bcm63xx_gpio_set_direction(struct gpio_chip *chip,
+				      unsigned gpio, int dir)
+{
+	u32 reg;
+	u32 mask;
+	u32 tmp;
+	unsigned long flags;
+
+	if (gpio >= chip->ngpio)
+		BUG();
+
+	if (gpio < 32) {
+		reg = GPIO_CTL_LO_REG;
+		mask = 1 << gpio;
+	} else {
+		reg = GPIO_CTL_HI_REG;
+		mask = 1 << (gpio - 32);
+	}
+
+	spin_lock_irqsave(&bcm63xx_gpio_lock, flags);
+	tmp = bcm_gpio_readl(reg);
+	if (dir == GPIO_DIR_IN)
+		tmp &= ~mask;
+	else
+		tmp |= mask;
+	bcm_gpio_writel(tmp, reg);
+	spin_unlock_irqrestore(&bcm63xx_gpio_lock, flags);
+
+	return 0;
+}
+
+static int bcm63xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+	return bcm63xx_gpio_set_direction(chip, gpio, GPIO_DIR_IN);
+}
+
+static int bcm63xx_gpio_direction_output(struct gpio_chip *chip,
+					 unsigned gpio, int value)
+{
+	bcm63xx_gpio_set(chip, gpio, value);
+	return bcm63xx_gpio_set_direction(chip, gpio, GPIO_DIR_OUT);
+}
+
+
+static struct gpio_chip bcm63xx_gpio_chip = {
+	.label			= "bcm63xx-gpio",
+	.direction_input	= bcm63xx_gpio_direction_input,
+	.direction_output	= bcm63xx_gpio_direction_output,
+	.get			= bcm63xx_gpio_get,
+	.set			= bcm63xx_gpio_set,
+	.base			= 0,
+};
+
+int __init bcm63xx_gpio_init(void)
+{
+	bcm63xx_gpio_chip.ngpio = bcm63xx_gpio_count();
+	pr_info("registering %d GPIOs\n", bcm63xx_gpio_chip.ngpio);
+
+	return gpiochip_add(&bcm63xx_gpio_chip);
+}
+
+arch_initcall(bcm63xx_gpio_init);

arch/mips/bcm63xx/irq.c

+/*
+ * 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) 2008 Maxime Bizon <mbizon@freebox.fr>
+ * Copyright (C) 2008 Nicolas Schichan <nschichan@freebox.fr>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <asm/irq_cpu.h>
+#include <asm/mipsregs.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_irq.h>
+
+/*
+ * dispatch internal devices IRQ (uart, enet, watchdog, ...). do not
+ * prioritize any interrupt relatively to another. the static counter
+ * will resume the loop where it ended the last time we left this
+ * function.
+ */
+static void bcm63xx_irq_dispatch_internal(void)
+{
+	u32 pending;
+	static int i;
+
+	pending = bcm_perf_readl(PERF_IRQMASK_REG) &
+		bcm_perf_readl(PERF_IRQSTAT_REG);
+
+	if (!pending)
+		return ;
+
+	while (1) {
+		int to_call = i;
+
+		i = (i + 1) & 0x1f;
+		if (pending & (1 << to_call)) {
+			do_IRQ(to_call + IRQ_INTERNAL_BASE);
+			break;
+		}
+	}
+}
+
+asmlinkage void plat_irq_dispatch(void)
+{
+	u32 cause;
+
+	do {
+		cause = read_c0_cause() & read_c0_status() & ST0_IM;
+
+		if (!cause)
+			break;
+
+		if (cause & CAUSEF_IP7)
+			do_IRQ(7);
+		if (cause & CAUSEF_IP2)
+			bcm63xx_irq_dispatch_internal();
+		if (cause & CAUSEF_IP3)
+			do_IRQ(IRQ_EXT_0);
+		if (cause & CAUSEF_IP4)
+			do_IRQ(IRQ_EXT_1);
+		if (cause & CAUSEF_IP5)
+			do_IRQ(IRQ_EXT_2);
+		if (cause & CAUSEF_IP6)
+			do_IRQ(IRQ_EXT_3);
+	} while (1);
+}
+
+/*
+ * internal IRQs operations: only mask/unmask on PERF irq mask
+ * register.
+ */
+static inline void bcm63xx_internal_irq_mask(unsigned int irq)
+{
+	u32 mask;
+
+	irq -= IRQ_INTERNAL_BASE;
+	mask = bcm_perf_readl(PERF_IRQMASK_REG);
+	mask &= ~(1 << irq);
+	bcm_perf_writel(mask, PERF_IRQMASK_REG);
+}
+
+static void bcm63xx_internal_irq_unmask(unsigned int irq)
+{
+	u32 mask;
+
+	irq -= IRQ_INTERNAL_BASE;
+	mask = bcm_perf_readl(PERF_IRQMASK_REG);
+	mask |= (1 << irq);
+	bcm_perf_writel(mask, PERF_IRQMASK_REG);
+}
+
+static unsigned int bcm63xx_internal_irq_startup(unsigned int irq)
+{
+	bcm63xx_internal_irq_unmask(irq);
+	return 0;
+}
+
+/*
+ * external IRQs operations: mask/unmask and clear on PERF external
+ * irq control register.
+ */
+static void bcm63xx_external_irq_mask(unsigned int irq)
+{
+	u32 reg;
+
+	irq -= IRQ_EXT_BASE;
+	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+	reg &= ~EXTIRQ_CFG_MASK(irq);
+	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+}
+
+static void bcm63xx_external_irq_unmask(unsigned int irq)
+{
+	u32 reg;
+
+	irq -= IRQ_EXT_BASE;
+	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+	reg |= EXTIRQ_CFG_MASK(irq);
+	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+}
+
+static void bcm63xx_external_irq_clear(unsigned int irq)
+{
+	u32 reg;
+
+	irq -= IRQ_EXT_BASE;
+	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+	reg |= EXTIRQ_CFG_CLEAR(irq);
+	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+}
+
+static unsigned int bcm63xx_external_irq_startup(unsigned int irq)
+{
+	set_c0_status(0x100 << (irq - IRQ_MIPS_BASE));
+	irq_enable_hazard();
+	bcm63xx_external_irq_unmask(irq);
+	return 0;
+}
+
+static void bcm63xx_external_irq_shutdown(unsigned int irq)
+{
+	bcm63xx_external_irq_mask(irq);
+	clear_c0_status(0x100 << (irq - IRQ_MIPS_BASE));
+	irq_disable_hazard();
+}
+
+static int bcm63xx_external_irq_set_type(unsigned int irq,
+					 unsigned int flow_type)
+{
+	u32 reg;
+	struct irq_desc *desc = irq_desc + irq;
+
+	irq -= IRQ_EXT_BASE;
+
+	flow_type &= IRQ_TYPE_SENSE_MASK;
+
+	if (flow_type == IRQ_TYPE_NONE)
+		flow_type = IRQ_TYPE_LEVEL_LOW;
+
+	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+	switch (flow_type) {
+	case IRQ_TYPE_EDGE_BOTH:
+		reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
+		reg |= EXTIRQ_CFG_BOTHEDGE(irq);
+		break;
+
+	case IRQ_TYPE_EDGE_RISING:
+		reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
+		reg |= EXTIRQ_CFG_SENSE(irq);
+		reg &= ~EXTIRQ_CFG_BOTHEDGE(irq);
+		break;
+
+	case IRQ_TYPE_EDGE_FALLING:
+		reg &= ~EXTIRQ_CFG_LEVELSENSE(irq);
+		reg &= ~EXTIRQ_CFG_SENSE(irq);
+		reg &= ~EXTIRQ_CFG_BOTHEDGE(irq);
+		break;
+
+	case IRQ_TYPE_LEVEL_HIGH:
+		reg |= EXTIRQ_CFG_LEVELSENSE(irq);
+		reg |= EXTIRQ_CFG_SENSE(irq);
+		break;
+
+	case IRQ_TYPE_LEVEL_LOW:
+		reg |= EXTIRQ_CFG_LEVELSENSE(irq);
+		reg &= ~EXTIRQ_CFG_SENSE(irq);
+		break;
+
+	default:
+		printk(KERN_ERR "bogus flow type combination given !\n");
+		return -EINVAL;
+	}
+	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+
+	if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))  {
+		desc->status |= IRQ_LEVEL;
+		desc->handle_irq = handle_level_irq;
+	} else {
+		desc->handle_irq = handle_edge_irq;
+	}
+
+	return 0;
+}
+
+static struct irq_chip bcm63xx_internal_irq_chip = {
+	.name		= "bcm63xx_ipic",
+	.startup	= bcm63xx_internal_irq_startup,
+	.shutdown	= bcm63xx_internal_irq_mask,
+
+	.mask		= bcm63xx_internal_irq_mask,
+	.mask_ack	= bcm63xx_internal_irq_mask,
+	.unmask		= bcm63xx_internal_irq_unmask,
+};
+
+static struct irq_chip bcm63xx_external_irq_chip = {
+	.name		= "bcm63xx_epic",
+	.startup	= bcm63xx_external_irq_startup,
+	.shutdown	= bcm63xx_external_irq_shutdown,
+
+	.ack		= bcm63xx_external_irq_clear,
+
+	.mask		= bcm63xx_external_irq_mask,
+	.unmask		= bcm63xx_external_irq_unmask,
+
+	.set_type	= bcm63xx_external_irq_set_type,
+};
+
+static struct irqaction cpu_ip2_cascade_action = {
+	.handler	= no_action,
+	.name		= "cascade_ip2",
+};
+
+void __init arch_init_irq(void)
+{
+	int i;
+
+	mips_cpu_irq_init();
+	for (i = IRQ_INTERNAL_BASE; i < NR_IRQS; ++i)
+		set_irq_chip_and_handler(i, &bcm63xx_internal_irq_chip,
+					 handle_level_irq);
+
+	for (i = IRQ_EXT_BASE; i < IRQ_EXT_BASE + 4; ++i)
+		set_irq_chip_and_handler(i, &bcm63xx_external_irq_chip,
+					 handle_edge_irq);
+
+	setup_irq(IRQ_MIPS_BASE + 2, &cpu_ip2_cascade_action);
+}

arch/mips/bcm63xx/prom.c

+/*
+ * 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) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <asm/bootinfo.h>
+#include <bcm63xx_board.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_gpio.h>
+
+void __init prom_init(void)
+{
+	u32 reg, mask;
+
+	bcm63xx_cpu_init();
+
+	/* stop any running watchdog */
+	bcm_wdt_writel(WDT_STOP_1, WDT_CTL_REG);
+	bcm_wdt_writel(WDT_STOP_2, WDT_CTL_REG);
+
+	/* disable all hardware blocks clock for now */
+	if (BCMCPU_IS_6338())
+		mask = CKCTL_6338_ALL_SAFE_EN;
+	else if (BCMCPU_IS_6345())
+		mask = CKCTL_6345_ALL_SAFE_EN;
+	else if (BCMCPU_IS_6348())
+		mask = CKCTL_6348_ALL_SAFE_EN;
+	else
+		/* BCMCPU_IS_6358() */
+		mask = CKCTL_6358_ALL_SAFE_EN;
+
+	reg = bcm_perf_readl(PERF_CKCTL_REG);
+	reg &= ~mask;
+	bcm_perf_writel(reg, PERF_CKCTL_REG);
+
+	/* assign command line from kernel config */
+	strcpy(arcs_cmdline, CONFIG_CMDLINE);
+
+	/* register gpiochip */
+	bcm63xx_gpio_init();
+
+	/* do low level board init */
+	board_prom_init();
+}
+
+void __init prom_free_prom_memory(void)
+{
+}

arch/mips/bcm63xx/setup.c

+/*
+ * 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) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/bootmem.h>
+#include <linux/ioport.h>
+#include <linux/pm.h>
+#include <asm/bootinfo.h>
+#include <asm/time.h>
+#include <asm/reboot.h>
+#include <asm/cacheflush.h>
+#include <bcm63xx_board.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+
+void bcm63xx_machine_halt(void)
+{
+	printk(KERN_INFO "System halted\n");
+	while (1)
+		;
+}
+
+static void bcm6348_a1_reboot(void)
+{
+	u32 reg;
+
+	/* soft reset all blocks */
+	printk(KERN_INFO "soft-reseting all blocks ...\n");
+	reg = bcm_perf_readl(PERF_SOFTRESET_REG);
+	reg &= ~SOFTRESET_6348_ALL;
+	bcm_perf_writel(reg, PERF_SOFTRESET_REG);
+	mdelay(10);
+
+	reg = bcm_perf_readl(PERF_SOFTRESET_REG);
+	reg |= SOFTRESET_6348_ALL;
+	bcm_perf_writel(reg, PERF_SOFTRESET_REG);
+	mdelay(10);
+
+	/* Jump to the power on address. */
+	printk(KERN_INFO "jumping to reset vector.\n");
+	/* set high vectors (base at 0xbfc00000 */
+	set_c0_status(ST0_BEV | ST0_ERL);
+	/* run uncached in kseg0 */
+	change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
+	__flush_cache_all();
+	/* remove all wired TLB entries */
+	write_c0_wired(0);
+	__asm__ __volatile__(
+		"jr\t%0"
+		:
+		: "r" (0xbfc00000));
+	while (1)
+		;
+}
+
+void bcm63xx_machine_reboot(void)
+{
+	u32 reg;
+
+	/* mask and clear all external irq */
+	reg = bcm_perf_readl(PERF_EXTIRQ_CFG_REG);
+	reg &= ~EXTIRQ_CFG_MASK_ALL;
+	reg |= EXTIRQ_CFG_CLEAR_ALL;
+	bcm_perf_writel(reg, PERF_EXTIRQ_CFG_REG);
+
+	if (BCMCPU_IS_6348() && (bcm63xx_get_cpu_rev() == 0xa1))
+		bcm6348_a1_reboot();
+
+	printk(KERN_INFO "triggering watchdog soft-reset...\n");
+	bcm_perf_writel(SYS_PLL_SOFT_RESET, PERF_SYS_PLL_CTL_REG);
+	while (1)
+		;
+}
+
+static void __bcm63xx_machine_reboot(char *p)
+{
+	bcm63xx_machine_reboot();
+}
+
+/*
+ * return system type in /proc/cpuinfo
+ */
+const char *get_system_type(void)
+{
+	static char buf[128];
+	snprintf(buf, sizeof(buf), "bcm63xx/%s (0x%04x/0x%04X)",
+		 board_get_name(),
+		 bcm63xx_get_cpu_id(), bcm63xx_get_cpu_rev());
+	return buf;
+}
+
+void __init plat_time_init(void)
+{
+	mips_hpt_frequency = bcm63xx_get_cpu_freq() / 2;
+}
+
+void __init plat_mem_setup(void)
+{
+	add_memory_region(0, bcm63xx_get_memory_size(), BOOT_MEM_RAM);
+
+	_machine_halt = bcm63xx_machine_halt;
+	_machine_restart = __bcm63xx_machine_reboot;
+	pm_power_off = bcm63xx_machine_halt;
+
+	set_io_port_base(0);
+	ioport_resource.start = 0;
+	ioport_resource.end = ~0;
+
+	board_setup();
+}
+
+int __init bcm63xx_register_devices(void)
+{
+	return board_register_devices();
+}
+
+arch_initcall(bcm63xx_register_devices);

arch/mips/bcm63xx/timer.c

+/*
+ * 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) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_timer.h>
+#include <bcm63xx_regs.h>
+
+static DEFINE_SPINLOCK(timer_reg_lock);
+static DEFINE_SPINLOCK(timer_data_lock);
+static struct clk *periph_clk;
+
+static struct timer_data {
+	void	(*cb)(void *);
+	void	*data;
+} timer_data[BCM63XX_TIMER_COUNT];
+
+static irqreturn_t timer_interrupt(int irq, void *dev_id)
+{
+	u32 stat;
+	int i;
+
+	spin_lock(&timer_reg_lock);
+	stat = bcm_timer_readl(TIMER_IRQSTAT_REG);
+	bcm_timer_writel(stat, TIMER_IRQSTAT_REG);
+	spin_unlock(&timer_reg_lock);
+
+	for (i = 0; i < BCM63XX_TIMER_COUNT; i++) {
+		if (!(stat & TIMER_IRQSTAT_TIMER_CAUSE(i)))
+			continue;
+
+		spin_lock(&timer_data_lock);
+		if (!timer_data[i].cb) {
+			spin_unlock(&timer_data_lock);
+			continue;
+		}
+
+		timer_data[i].cb(timer_data[i].data);
+		spin_unlock(&timer_data_lock);
+	}
+
+	return IRQ_HANDLED;
+}
+
+int bcm63xx_timer_enable(int id)
+{
+	u32 reg;
+	unsigned long flags;
+
+	if (id >= BCM63XX_TIMER_COUNT)
+		return -EINVAL;
+
+	spin_lock_irqsave(&timer_reg_lock, flags);
+
+	reg = bcm_timer_readl(TIMER_CTLx_REG(id));
+	reg |= TIMER_CTL_ENABLE_MASK;
+	bcm_timer_writel(reg, TIMER_CTLx_REG(id));
+
+	reg = bcm_timer_readl(TIMER_IRQSTAT_REG);
+	reg |= TIMER_IRQSTAT_TIMER_IR_EN(id);
+	bcm_timer_writel(reg, TIMER_IRQSTAT_REG);
+
+	spin_unlock_irqrestore(&timer_reg_lock, flags);
+	return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_enable);
+
+int bcm63xx_timer_disable(int id)
+{
+	u32 reg;
+	unsigned long flags;
+
+	if (id >= BCM63XX_TIMER_COUNT)
+		return -EINVAL;
+
+	spin_lock_irqsave(&timer_reg_lock, flags);
+
+	reg = bcm_timer_readl(TIMER_CTLx_REG(id));
+	reg &= ~TIMER_CTL_ENABLE_MASK;
+	bcm_timer_writel(reg, TIMER_CTLx_REG(id));
+
+	reg = bcm_timer_readl(TIMER_IRQSTAT_REG);
+	reg &= ~TIMER_IRQSTAT_TIMER_IR_EN(id);
+	bcm_timer_writel(reg, TIMER_IRQSTAT_REG);
+
+	spin_unlock_irqrestore(&timer_reg_lock, flags);
+	return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_disable);
+
+int bcm63xx_timer_register(int id, void (*callback)(void *data), void *data)
+{
+	unsigned long flags;
+	int ret;
+
+	if (id >= BCM63XX_TIMER_COUNT || !callback)
+		return -EINVAL;
+
+	ret = 0;
+	spin_lock_irqsave(&timer_data_lock, flags);
+	if (timer_data[id].cb) {
+		ret = -EBUSY;
+		goto out;
+	}
+
+	timer_data[id].cb = callback;
+	timer_data[id].data = data;
+
+out:
+	spin_unlock_irqrestore(&timer_data_lock, flags);
+	return ret;
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_register);
+
+void bcm63xx_timer_unregister(int id)
+{
+	unsigned long flags;
+
+	if (id >= BCM63XX_TIMER_COUNT)
+		return;
+
+	spin_lock_irqsave(&timer_data_lock, flags);
+	timer_data[id].cb = NULL;
+	spin_unlock_irqrestore(&timer_data_lock, flags);
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_unregister);
+
+unsigned int bcm63xx_timer_countdown(unsigned int countdown_us)
+{
+	return (clk_get_rate(periph_clk) / (1000 * 1000)) * countdown_us;
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_countdown);
+
+int bcm63xx_timer_set(int id, int monotonic, unsigned int countdown_us)
+{
+	u32 reg, countdown;
+	unsigned long flags;
+
+	if (id >= BCM63XX_TIMER_COUNT)
+		return -EINVAL;
+
+	countdown = bcm63xx_timer_countdown(countdown_us);
+	if (countdown & ~TIMER_CTL_COUNTDOWN_MASK)
+		return -EINVAL;
+
+	spin_lock_irqsave(&timer_reg_lock, flags);
+	reg = bcm_timer_readl(TIMER_CTLx_REG(id));
+
+	if (monotonic)
+		reg &= ~TIMER_CTL_MONOTONIC_MASK;
+	else
+		reg |= TIMER_CTL_MONOTONIC_MASK;
+
+	reg &= ~TIMER_CTL_COUNTDOWN_MASK;
+	reg |= countdown;
+	bcm_timer_writel(reg, TIMER_CTLx_REG(id));
+
+	spin_unlock_irqrestore(&timer_reg_lock, flags);
+	return 0;
+}
+
+EXPORT_SYMBOL(bcm63xx_timer_set);
+
+int bcm63xx_timer_init(void)
+{
+	int ret, irq;
+	u32 reg;
+
+	reg = bcm_timer_readl(TIMER_IRQSTAT_REG);
+	reg &= ~TIMER_IRQSTAT_TIMER0_IR_EN;
+	reg &= ~TIMER_IRQSTAT_TIMER1_IR_EN;
+	reg &= ~TIMER_IRQSTAT_TIMER2_IR_EN;
+	bcm_timer_writel(reg, TIMER_IRQSTAT_REG);
+
+	periph_clk = clk_get(NULL, "periph");
+	if (IS_ERR(periph_clk))
+		return -ENODEV;
+
+	irq = bcm63xx_get_irq_number(IRQ_TIMER);
+	ret = request_irq(irq, timer_interrupt, 0, "bcm63xx_timer", NULL);
+	if (ret) {
+		printk(KERN_ERR "bcm63xx_timer: failed to register irq\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+arch_initcall(bcm63xx_timer_init);

arch/mips/include/asm/fixmap.h

@@ -67,11 +67,15 @@ enum fixed_addresses {
  * the start of the fixmap, and leave one page empty
  * at the top of mem..
  */
+#ifdef CONFIG_BCM63XX
+#define FIXADDR_TOP     ((unsigned long)(long)(int)0xff000000)
+#else
 #if defined(CONFIG_CPU_TX39XX) || defined(CONFIG_CPU_TX49XX)
 #define FIXADDR_TOP	((unsigned long)(long)(int)(0xff000000 - 0x20000))
 #else
 #define FIXADDR_TOP	((unsigned long)(long)(int)0xfffe0000)
 #endif
+#endif
 #define FIXADDR_SIZE	(__end_of_fixed_addresses << PAGE_SHIFT)
 #define FIXADDR_START	(FIXADDR_TOP - FIXADDR_SIZE)
 

arch/mips/include/asm/mach-bcm63xx/bcm63xx_board.h

+#ifndef BCM63XX_BOARD_H_
+#define BCM63XX_BOARD_H_
+
+const char *board_get_name(void);
+
+void board_prom_init(void);
+
+void board_setup(void);
+
+int board_register_devices(void);
+
+#endif /* ! BCM63XX_BOARD_H_ */

arch/mips/include/asm/mach-bcm63xx/bcm63xx_clk.h

+#ifndef BCM63XX_CLK_H_
+#define BCM63XX_CLK_H_
+
+struct clk {
+	void		(*set)(struct clk *, int);
+	unsigned int	rate;
+	unsigned int	usage;
+	int		id;
+};
+
+#endif /* ! BCM63XX_CLK_H_ */

arch/mips/include/asm/mach-bcm63xx/bcm63xx_cs.h

+#ifndef BCM63XX_CS_H
+#define BCM63XX_CS_H
+
+int bcm63xx_set_cs_base(unsigned int cs, u32 base, unsigned int size);
+int bcm63xx_set_cs_timing(unsigned int cs, unsigned int wait,
+			   unsigned int setup, unsigned int hold);
+int bcm63xx_set_cs_param(unsigned int cs, u32 flags);
+int bcm63xx_set_cs_status(unsigned int cs, int enable);
+
+#endif /* !BCM63XX_CS_H */

arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_dsp.h

+#ifndef __BCM63XX_DSP_H
+#define __BCM63XX_DSP_H
+
+struct bcm63xx_dsp_platform_data {
+	unsigned gpio_rst;
+	unsigned gpio_int;
+	unsigned cs;
+	unsigned ext_irq;
+};
+
+int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd);
+
+#endif /* __BCM63XX_DSP_H */

arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h

+#ifndef BCM63XX_DEV_ENET_H_
+#define BCM63XX_DEV_ENET_H_
+
+#include <linux/if_ether.h>
+#include <linux/init.h>
+
+/*
+ * on board ethernet platform data
+ */
+struct bcm63xx_enet_platform_data {
+	char mac_addr[ETH_ALEN];
+
+	int has_phy;
+
+	/* if has_phy, then set use_internal_phy */
+	int use_internal_phy;
+
+	/* or fill phy info to use an external one */
+	int phy_id;
+	int has_phy_interrupt;
+	int phy_interrupt;
+
+	/* if has_phy, use autonegociated pause parameters or force
+	 * them */
+	int pause_auto;
+	int pause_rx;
+	int pause_tx;
+
+	/* if !has_phy, set desired forced speed/duplex */
+	int force_speed_100;
+	int force_duplex_full;
+
+	/* if !has_phy, set callback to perform mii device
+	 * init/remove */
+	int (*mii_config)(struct net_device *dev, int probe,
+			  int (*mii_read)(struct net_device *dev,
+					  int phy_id, int reg),
+			  void (*mii_write)(struct net_device *dev,
+					    int phy_id, int reg, int val));
+};
+
+int __init bcm63xx_enet_register(int unit,
+				 const struct bcm63xx_enet_platform_data *pd);
+
+#endif /* ! BCM63XX_DEV_ENET_H_ */

arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pci.h

+#ifndef BCM63XX_DEV_PCI_H_
+#define BCM63XX_DEV_PCI_H_
+
+extern int bcm63xx_pci_enabled;
+
+#endif /* BCM63XX_DEV_PCI_H_ */

arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h

+#ifndef BCM63XX_GPIO_H
+#define BCM63XX_GPIO_H
+
+#include <linux/init.h>
+
+int __init bcm63xx_gpio_init(void);
+
+static inline unsigned long bcm63xx_gpio_count(void)
+{
+	switch (bcm63xx_get_cpu_id()) {
+	case BCM6358_CPU_ID:
+		return 40;
+	case BCM6348_CPU_ID:
+	default:
+		return 37;
+	}
+}
+
+#define GPIO_DIR_OUT	0x0
+#define GPIO_DIR_IN	0x1
+
+#endif /* !BCM63XX_GPIO_H */

arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h

+#ifndef BCM63XX_IO_H_
+#define BCM63XX_IO_H_
+
+#include "bcm63xx_cpu.h"
+
+/*
+ * Physical memory map, RAM is mapped at 0x0.
+ *
+ * Note that size MUST be a power of two.
+ */
+#define BCM_PCMCIA_COMMON_BASE_PA	(0x20000000)
+#define BCM_PCMCIA_COMMON_SIZE		(16 * 1024 * 1024)
+#define BCM_PCMCIA_COMMON_END_PA	(BCM_PCMCIA_COMMON_BASE_PA +	\
+					 BCM_PCMCIA_COMMON_SIZE - 1)
+
+#define BCM_PCMCIA_ATTR_BASE_PA		(0x21000000)
+#define BCM_PCMCIA_ATTR_SIZE		(16 * 1024 * 1024)
+#define BCM_PCMCIA_ATTR_END_PA		(BCM_PCMCIA_ATTR_BASE_PA +	\
+					 BCM_PCMCIA_ATTR_SIZE - 1)
+
+#define BCM_PCMCIA_IO_BASE_PA		(0x22000000)
+#define BCM_PCMCIA_IO_SIZE		(64 * 1024)
+#define BCM_PCMCIA_IO_END_PA		(BCM_PCMCIA_IO_BASE_PA +	\
+					BCM_PCMCIA_IO_SIZE - 1)
+
+#define BCM_PCI_MEM_BASE_PA		(0x30000000)
+#define BCM_PCI_MEM_SIZE		(128 * 1024 * 1024)
+#define BCM_PCI_MEM_END_PA		(BCM_PCI_MEM_BASE_PA +		\
+					BCM_PCI_MEM_SIZE - 1)
+
+#define BCM_PCI_IO_BASE_PA		(0x08000000)
+#define BCM_PCI_IO_SIZE			(64 * 1024)
+#define BCM_PCI_IO_END_PA		(BCM_PCI_IO_BASE_PA +		\
+					BCM_PCI_IO_SIZE - 1)
+#define BCM_PCI_IO_HALF_PA		(BCM_PCI_IO_BASE_PA +		\
+					(BCM_PCI_IO_SIZE / 2) - 1)
+
+#define BCM_CB_MEM_BASE_PA		(0x38000000)
+#define BCM_CB_MEM_SIZE			(128 * 1024 * 1024)
+#define BCM_CB_MEM_END_PA		(BCM_CB_MEM_BASE_PA +		\
+					BCM_CB_MEM_SIZE - 1)
+
+
+/*
+ * Internal registers are accessed through KSEG3
+ */
+#define BCM_REGS_VA(x)	((void __iomem *)(x))
+
+#define bcm_readb(a)	(*(volatile unsigned char *)	BCM_REGS_VA(a))
+#define bcm_readw(a)	(*(volatile unsigned short *)	BCM_REGS_VA(a))
+#define bcm_readl(a)	(*(volatile unsigned int *)	BCM_REGS_VA(a))
+#define bcm_writeb(v, a) (*(volatile unsigned char *) BCM_REGS_VA((a)) = (v))
+#define bcm_writew(v, a) (*(volatile unsigned short *) BCM_REGS_VA((a)) = (v))
+#define bcm_writel(v, a) (*(volatile unsigned int *) BCM_REGS_VA((a)) = (v))
+
+/*
+ * IO helpers to access register set for current CPU
+ */
+#define bcm_rset_readb(s, o)	bcm_readb(bcm63xx_regset_address(s) + (o))
+#define bcm_rset_readw(s, o)	bcm_readw(bcm63xx_regset_address(s) + (o))
+#define bcm_rset_readl(s, o)	bcm_readl(bcm63xx_regset_address(s) + (o))
+#define bcm_rset_writeb(s, v, o)	bcm_writeb((v), \
+					bcm63xx_regset_address(s) + (o))
+#define bcm_rset_writew(s, v, o)	bcm_writew((v), \
+					bcm63xx_regset_address(s) + (o))
+#define bcm_rset_writel(s, v, o)	bcm_writel((v), \
+					bcm63xx_regset_address(s) + (o))
+
+/*
+ * helpers for frequently used register sets
+ */
+#define bcm_perf_readl(o)	bcm_rset_readl(RSET_PERF, (o))
+#define bcm_perf_writel(v, o)	bcm_rset_writel(RSET_PERF, (v), (o))
+#define bcm_timer_readl(o)	bcm_rset_readl(RSET_TIMER, (o))
+#define bcm_timer_writel(v, o)	bcm_rset_writel(RSET_TIMER, (v), (o))
+#define bcm_wdt_readl(o)	bcm_rset_readl(RSET_WDT, (o))
+#define bcm_wdt_writel(v, o)	bcm_rset_writel(RSET_WDT, (v), (o))
+#define bcm_gpio_readl(o)	bcm_rset_readl(RSET_GPIO, (o))
+#define bcm_gpio_writel(v, o)	bcm_rset_writel(RSET_GPIO, (v), (o))
+#define bcm_uart0_readl(o)	bcm_rset_readl(RSET_UART0, (o))
+#define bcm_uart0_writel(v, o)	bcm_rset_writel(RSET_UART0, (v), (o))
+#define bcm_mpi_readl(o)	bcm_rset_readl(RSET_MPI, (o))
+#define bcm_mpi_writel(v, o)	bcm_rset_writel(RSET_MPI, (v), (o))
+#define bcm_pcmcia_readl(o)	bcm_rset_readl(RSET_PCMCIA, (o))
+#define bcm_pcmcia_writel(v, o)	bcm_rset_writel(RSET_PCMCIA, (v), (o))
+#define bcm_sdram_readl(o)	bcm_rset_readl(RSET_SDRAM, (o))
+#define bcm_sdram_writel(v, o)	bcm_rset_writel(RSET_SDRAM, (v), (o))
+#define bcm_memc_readl(o)	bcm_rset_readl(RSET_MEMC, (o))
+#define bcm_memc_writel(v, o)	bcm_rset_writel(RSET_MEMC, (v), (o))
+#define bcm_ddr_readl(o)	bcm_rset_readl(RSET_DDR, (o))
+#define bcm_ddr_writel(v, o)	bcm_rset_writel(RSET_DDR, (v), (o))
+
+#endif /* ! BCM63XX_IO_H_ */

arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h

+#ifndef BCM63XX_IRQ_H_
+#define BCM63XX_IRQ_H_
+
+#include <bcm63xx_cpu.h>
+
+#define IRQ_MIPS_BASE			0
+#define IRQ_INTERNAL_BASE		8
+
+#define IRQ_EXT_BASE			(IRQ_MIPS_BASE + 3)
+#define IRQ_EXT_0			(IRQ_EXT_BASE + 0)
+#define IRQ_EXT_1			(IRQ_EXT_BASE + 1)
+#define IRQ_EXT_2			(IRQ_EXT_BASE + 2)
+#define IRQ_EXT_3			(IRQ_EXT_BASE + 3)
+
+#endif /* ! BCM63XX_IRQ_H_ */

arch/mips/include/asm/mach-bcm63xx/bcm63xx_timer.h

+#ifndef BCM63XX_TIMER_H_
+#define BCM63XX_TIMER_H_
+
+int bcm63xx_timer_register(int id, void (*callback)(void *data), void *data);
+void bcm63xx_timer_unregister(int id);
+int bcm63xx_timer_set(int id, int monotonic, unsigned int countdown_us);
+int bcm63xx_timer_enable(int id);
+int bcm63xx_timer_disable(int id);
+unsigned int bcm63xx_timer_countdown(unsigned int countdown_us);
+
+#endif /* !BCM63XX_TIMER_H_ */

arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h

+#ifndef BOARD_BCM963XX_H_
+#define BOARD_BCM963XX_H_
+
+#include <linux/types.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <bcm63xx_dev_enet.h>
+#include <bcm63xx_dev_dsp.h>
+
+/*
+ * flash mapping
+ */
+#define BCM963XX_CFE_VERSION_OFFSET	0x570
+#define BCM963XX_NVRAM_OFFSET		0x580
+
+/*
+ * nvram structure
+ */
+struct bcm963xx_nvram {
+	u32	version;
+	u8	reserved1[256];
+	u8	name[16];
+	u32	main_tp_number;
+	u32	psi_size;
+	u32	mac_addr_count;
+	u8	mac_addr_base[6];
+	u8	reserved2[2];
+	u32	checksum_old;
+	u8	reserved3[720];
+	u32	checksum_high;
+};
+
+/*
+ * board definition
+ */
+struct board_info {
+	u8		name[16];
+	unsigned int	expected_cpu_id;
+
+	/* enabled feature/device */
+	unsigned int	has_enet0:1;
+	unsigned int	has_enet1:1;
+	unsigned int	has_pci:1;
+	unsigned int	has_pccard:1;
+	unsigned int	has_ohci0:1;
+	unsigned int	has_ehci0:1;
+	unsigned int	has_dsp:1;
+
+	/* ethernet config */
+	struct bcm63xx_enet_platform_data enet0;
+	struct bcm63xx_enet_platform_data enet1;
+
+	/* DSP config */
+	struct bcm63xx_dsp_platform_data dsp;
+
+	/* GPIO LEDs */
+	struct gpio_led leds[5];
+};
+
+#endif /* ! BOARD_BCM963XX_H_ */

arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h

+#ifndef __ASM_MACH_BCM963XX_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_BCM963XX_CPU_FEATURE_OVERRIDES_H
+
+#include <bcm63xx_cpu.h>
+
+#define cpu_has_tlb			1
+#define cpu_has_4kex			1
+#define cpu_has_4k_cache		1
+#define cpu_has_fpu			0
+#define cpu_has_32fpr			0
+#define cpu_has_counter			1
+#define cpu_has_watch			0
+#define cpu_has_divec			1
+#define cpu_has_vce			0
+#define cpu_has_cache_cdex_p		0
+#define cpu_has_cache_cdex_s		0
+#define cpu_has_prefetch		1
+#define cpu_has_mcheck			1
+#define cpu_has_ejtag			1
+#define cpu_has_llsc			1
+#define cpu_has_mips16			0
+#define cpu_has_mdmx			0
+#define cpu_has_mips3d			0
+#define cpu_has_smartmips		0
+#define cpu_has_vtag_icache		0
+
+#if !defined(BCMCPU_RUNTIME_DETECT) && (defined(CONFIG_BCMCPU_IS_6348) || defined(CONFIG_CPU_IS_6338) || defined(CONFIG_CPU_IS_BCM6345))
+#define cpu_has_dc_aliases		0
+#endif
+
+#define cpu_has_ic_fills_f_dc		0
+#define cpu_has_pindexed_dcache		0
+
+#define cpu_has_mips32r1		1
+#define cpu_has_mips32r2		0
+#define cpu_has_mips64r1		0
+#define cpu_has_mips64r2		0
+
+#define cpu_has_dsp			0
+#define cpu_has_mipsmt			0
+#define cpu_has_userlocal		0
+
+#define cpu_has_nofpuex			0
+#define cpu_has_64bits			0
+#define cpu_has_64bit_zero_reg		0
+
+#define cpu_dcache_line_size()		16
+#define cpu_icache_line_size()		16
+#define cpu_scache_line_size()		0
+
+#endif /* __ASM_MACH_BCM963XX_CPU_FEATURE_OVERRIDES_H */

arch/mips/include/asm/mach-bcm63xx/gpio.h

+#ifndef __ASM_MIPS_MACH_BCM63XX_GPIO_H
+#define __ASM_MIPS_MACH_BCM63XX_GPIO_H
+
+#include <bcm63xx_gpio.h>
+
+#define gpio_to_irq(gpio)	NULL
+
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
+
+#define gpio_cansleep __gpio_cansleep
+
+#include <asm-generic/gpio.h>
+
+#endif /* __ASM_MIPS_MACH_BCM63XX_GPIO_H */

arch/mips/include/asm/mach-bcm63xx/war.h

+/*
+ * 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) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
+ */
+#ifndef __ASM_MIPS_MACH_BCM63XX_WAR_H
+#define __ASM_MIPS_MACH_BCM63XX_WAR_H
+
+#define R4600_V1_INDEX_ICACHEOP_WAR	0
+#define R4600_V1_HIT_CACHEOP_WAR	0
+#define R4600_V2_HIT_CACHEOP_WAR	0
+#define R5432_CP0_INTERRUPT_WAR		0
+#define BCM1250_M3_WAR			0
+#define SIBYTE_1956_WAR			0
+#define MIPS4K_ICACHE_REFILL_WAR	0
+#define MIPS_CACHE_SYNC_WAR		0
+#define TX49XX_ICACHE_INDEX_INV_WAR	0
+#define RM9000_CDEX_SMP_WAR		0
+#define ICACHE_REFILLS_WORKAROUND_WAR	0
+#define R10000_LLSC_WAR			0
+#define MIPS34K_MISSED_ITLB_WAR		0
+
+#endif /* __ASM_MIPS_MACH_BCM63XX_WAR_H */

arch/mips/pci/Makefile

@@ -16,6 +16,8 @@ obj-$(CONFIG_PCI_VR41XX)	+= ops-vr41xx.o pci-vr41xx.o
 obj-$(CONFIG_NEC_MARKEINS)	+= ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o
 obj-$(CONFIG_PCI_TX4927)	+= ops-tx4927.o
 obj-$(CONFIG_BCM47XX)		+= pci-bcm47xx.o
+obj-$(CONFIG_BCM63XX)		+= pci-bcm63xx.o fixup-bcm63xx.o \
+					ops-bcm63xx.o
 
 #
 # These are still pretty much in the old state, watch, go blind.

arch/mips/pci/fixup-bcm63xx.c

+/*
+ * 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) 2008 Maxime Bizon <mbizon@freebox.fr>
+ */
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <bcm63xx_cpu.h>
+
+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	return bcm63xx_get_irq_number(IRQ_PCI);
+}
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+	return 0;
+}

arch/mips/pci/pci-bcm63xx.h

+#ifndef PCI_BCM63XX_H_
+#define PCI_BCM63XX_H_
+
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_io.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_dev_pci.h>
+
+/*
+ * Cardbus shares  the PCI bus, but has  no IDSEL, so a  special id is
+ * reserved for it.  If you have a standard PCI device at this id, you
+ * need to change the following definition.
+ */
+#define CARDBUS_PCI_IDSEL	0x8
+
+/*
+ * defined in ops-bcm63xx.c
+ */
+extern struct pci_ops bcm63xx_pci_ops;
+extern struct pci_ops bcm63xx_cb_ops;
+
+/*
+ * defined in pci-bcm63xx.c
+ */
+extern void __iomem *pci_iospace_start;
+
+#endif /* ! PCI_BCM63XX_H_ */