Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (44 commits) [ARM] 4822/1: RealView: Change the REALVIEW_MPCORE configuration option [ARM] 4821/1: RealView: Remove the platform dependencies from localtimer.c [ARM] 4820/1: RealView: Select the timer IRQ at run-time [ARM] 4819/1: RealView: Fix entry-macro.S to work with multiple platforms [ARM] 4818/1: RealView: Add core-tile detection [ARM] 4817/1: RealView: Move the AMBA resource definitions to realview_eb.c [ARM] 4816/1: RealView: Move the platform-specific definitions into board-eb.h [ARM] 4815/1: RealView: Add clockevents suport for the local timers [ARM] 4814/1: RealView: Add broadcasting clockevents support for ARM11MPCore [ARM] 4813/1: Add SMP helper functions for clockevents support [ARM] 4812/1: RealView: clockevents support for the RealView platforms [ARM] 4811/1: RealView: clocksource support for the RealView platforms [ARM] 4736/1: Export atags to userspace and allow kexec to use customised atags [ARM] 4798/1: pcm027: fix missing header file [ARM] 4803/1: pxa: fix building issue of poodle.c caused by patch 4737/1 [ARM] 4801/1: pxa: fix building issues of missing pxa2xx-regs.h [ARM] pxa: introduce sysdev for pxa3xx static memory controller [ARM] pxa: add preliminary suspend/resume code for pxa3xx [ARM] pxa: introduce sysdev for GPIO register saving/restoring [ARM] pxa: introduce sysdev for IRQ register saving/restoring ...
2026-05-01 15:00:59 -07:00 · 2008-02-04 15:29:53 -08:00
parent 2c8296f8cf 0d899e1b00
commit 9ef9dc69d4
84 changed files with 3787 additions and 1442 deletions
@@ -35,6 +35,11 @@ config GENERIC_CLOCKEVENTS
 	bool
 	default n

+config GENERIC_CLOCKEVENTS_BROADCAST
+	bool
+	depends on GENERIC_CLOCKEVENTS
+	default y if SMP && !LOCAL_TIMERS
+
 config MMU
 	bool
 	default y
@@ -187,6 +192,8 @@ config ARCH_REALVIEW
 	bool "ARM Ltd. RealView family"
 	select ARM_AMBA
 	select ICST307
+	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
 	help
 	  This enables support for ARM Ltd RealView boards.

@@ -623,7 +630,7 @@ source "kernel/time/Kconfig"

 config SMP
 	bool "Symmetric Multi-Processing (EXPERIMENTAL)"
-	depends on EXPERIMENTAL && REALVIEW_MPCORE
+	depends on EXPERIMENTAL && REALVIEW_EB_ARM11MP
 	help
 	  This enables support for systems with more than one CPU. If you have
 	  a system with only one CPU, like most personal computers, say N. If
@@ -656,7 +663,7 @@ config HOTPLUG_CPU

 config LOCAL_TIMERS
 	bool "Use local timer interrupts"
-	depends on SMP && REALVIEW_MPCORE
+	depends on SMP && REALVIEW_EB_ARM11MP
 	default y
 	help
 	  Enable support for local timers on SMP platforms, rather then the
@@ -912,6 +919,13 @@ config KEXEC
 	  initially work for you.  It may help to enable device hotplugging
 	  support.

+config ATAGS_PROC
+	bool "Export atags in procfs"
+	default n
+	help
+	  Should the atags used to boot the kernel be exported in an "atags"
+	  file in procfs. Useful with kexec.
+
 endmenu

 if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA)
@@ -69,9 +69,7 @@ void __init ioctime_init(void)
 static irqreturn_t
 ioc_timer_interrupt(int irq, void *dev_id)
 {
-	write_seqlock(&xtime_lock);
 	timer_tick();
-	write_sequnlock(&xtime_lock);
 	return IRQ_HANDLED;
 }

@@ -20,6 +20,7 @@ obj-$(CONFIG_PCI)		+= bios32.o isa.o
 obj-$(CONFIG_SMP)		+= smp.o
 obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o kprobes-decode.o
+obj-$(CONFIG_ATAGS_PROC)	+= atags.o
 obj-$(CONFIG_OABI_COMPAT)	+= sys_oabi-compat.o

 obj-$(CONFIG_CRUNCH)		+= crunch.o crunch-bits.o
@@ -0,0 +1,86 @@
+#include <linux/slab.h>
+#include <linux/kexec.h>
+#include <linux/proc_fs.h>
+#include <asm/setup.h>
+#include <asm/types.h>
+#include <asm/page.h>
+
+struct buffer {
+	size_t size;
+	char *data;
+};
+static struct buffer tags_buffer;
+
+static int
+read_buffer(char* page, char** start, off_t off, int count,
+	int* eof, void* data)
+{
+	struct buffer *buffer = (struct buffer *)data;
+
+	if (off >= buffer->size) {
+		*eof = 1;
+		return 0;
+	}
+
+	count = min((int) (buffer->size - off), count);
+
+	memcpy(page, &buffer->data[off], count);
+
+	return count;
+}
+
+
+static int
+create_proc_entries(void)
+{
+	struct proc_dir_entry* tags_entry;
+
+	tags_entry = create_proc_read_entry("atags", 0400, &proc_root, read_buffer, &tags_buffer);
+	if (!tags_entry)
+		return -ENOMEM;
+
+	return 0;
+}
+
+
+static char __initdata atags_copy_buf[KEXEC_BOOT_PARAMS_SIZE];
+static char __initdata *atags_copy;
+
+void __init save_atags(const struct tag *tags)
+{
+	atags_copy = atags_copy_buf;
+	memcpy(atags_copy, tags, KEXEC_BOOT_PARAMS_SIZE);
+}
+
+
+static int __init init_atags_procfs(void)
+{
+	struct tag *tag;
+	int error;
+
+	if (!atags_copy) {
+		printk(KERN_WARNING "Exporting ATAGs: No saved tags found\n");
+		return -EIO;
+	}
+
+	for (tag = (struct tag *) atags_copy; tag->hdr.size; tag = tag_next(tag))
+		;
+
+	tags_buffer.size = ((char *) tag - atags_copy) + sizeof(tag->hdr);
+	tags_buffer.data = kmalloc(tags_buffer.size, GFP_KERNEL);
+	if (tags_buffer.data == NULL)
+		return -ENOMEM;
+	memcpy(tags_buffer.data, atags_copy, tags_buffer.size);
+
+	error = create_proc_entries();
+	if (error) {
+		printk(KERN_ERR "Exporting ATAGs: not enough memory\n");
+		kfree(tags_buffer.data);
+		tags_buffer.size = 0;
+		tags_buffer.data = NULL;
+	}
+
+	return error;
+}
+
+arch_initcall(init_atags_procfs);
@@ -0,0 +1,5 @@
+#ifdef CONFIG_ATAGS_PROC
+extern void save_atags(struct tag *tags);
+#else
+static inline void save_atags(struct tag *tags) { }
+#endif
@@ -21,6 +21,7 @@ extern void setup_mm_for_reboot(char mode);
 extern unsigned long kexec_start_address;
 extern unsigned long kexec_indirection_page;
 extern unsigned long kexec_mach_type;
+extern unsigned long kexec_boot_atags;

 /*
 * Provide a dummy crash_notes definition while crash dump arrives to arm.
@@ -62,6 +63,7 @@ void machine_kexec(struct kimage *image)
 	kexec_start_address = image->start;
 	kexec_indirection_page = page_list;
 	kexec_mach_type = machine_arch_type;
+	kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;

 	/* copy our kernel relocation code to the control code page */
 	memcpy(reboot_code_buffer,
@@ -7,23 +7,6 @@
 	.globl relocate_new_kernel
 relocate_new_kernel:

-	/* Move boot params back to where the kernel expects them */
-
-	ldr	r0,kexec_boot_params_address
-	teq	r0,#0
-	beq	8f
-
-	ldr	r1,kexec_boot_params_copy
-	mov	r6,#KEXEC_BOOT_PARAMS_SIZE/4
-7:
-	ldr	r5,[r1],#4
-	str	r5,[r0],#4
-	subs	r6,r6,#1
-	bne	7b
-
-8:
-	/* Boot params moved, now go on with the kernel */
-
 	ldr	r0,kexec_indirection_page
 	ldr	r1,kexec_start_address

@@ -67,7 +50,7 @@ relocate_new_kernel:
 	mov lr,r1
 	mov r0,#0
 	ldr r1,kexec_mach_type
-	ldr r2,kexec_boot_params_address
+	ldr r2,kexec_boot_atags
 	mov pc,lr

 	.globl kexec_start_address
@@ -82,14 +65,9 @@ kexec_indirection_page:
 kexec_mach_type:
 	.long	0x0

-	/* phy addr where new kernel will expect to find boot params */
-	.globl kexec_boot_params_address
-kexec_boot_params_address:
-	.long	0x0
-
-	/* phy addr where old kernel put a copy of orig boot params */
-	.globl kexec_boot_params_copy
-kexec_boot_params_copy:
+	/* phy addr of the atags for the new kernel */
+	.globl kexec_boot_atags
+kexec_boot_atags:
 	.long	0x0

 relocate_new_kernel_end:
@@ -24,7 +24,6 @@
 #include <linux/interrupt.h>
 #include <linux/smp.h>
 #include <linux/fs.h>
-#include <linux/kexec.h>

 #include <asm/cpu.h>
 #include <asm/elf.h>
@@ -39,6 +38,7 @@
 #include <asm/mach/time.h>

 #include "compat.h"
+#include "atags.h"

 #ifndef MEM_SIZE
 #define MEM_SIZE	(16*1024*1024)
@@ -62,6 +62,7 @@ extern int root_mountflags;
 extern void _stext, _text, _etext, __data_start, _edata, _end;

 unsigned int processor_id;
+EXPORT_SYMBOL(processor_id);
 unsigned int __machine_arch_type;
 EXPORT_SYMBOL(__machine_arch_type);

@@ -784,23 +785,6 @@ static int __init customize_machine(void)
 }
 arch_initcall(customize_machine);

-#ifdef CONFIG_KEXEC
-
-/* Physical addr of where the boot params should be for this machine */
-extern unsigned long kexec_boot_params_address;
-
-/* Physical addr of the buffer into which the boot params are copied */
-extern unsigned long kexec_boot_params_copy;
-
-/* Pointer to the boot params buffer, for manipulation and display */
-unsigned long kexec_boot_params;
-EXPORT_SYMBOL(kexec_boot_params);
-
-/* The buffer itself - make sure it is sized correctly */
-static unsigned long kexec_boot_params_buf[(KEXEC_BOOT_PARAMS_SIZE + 3) / 4];
-
-#endif
-
 void __init setup_arch(char **cmdline_p)
 {
 	struct tag *tags = (struct tag *)&init_tags;
@@ -819,18 +803,6 @@ void __init setup_arch(char **cmdline_p)
 	else if (mdesc->boot_params)
 		tags = phys_to_virt(mdesc->boot_params);

-#ifdef CONFIG_KEXEC
-	kexec_boot_params_copy = virt_to_phys(kexec_boot_params_buf);
-	kexec_boot_params = (unsigned long)kexec_boot_params_buf;
-	if (__atags_pointer) {
-		kexec_boot_params_address = __atags_pointer;
-		memcpy((void *)kexec_boot_params, tags, KEXEC_BOOT_PARAMS_SIZE);
-	} else if (mdesc->boot_params) {
-		kexec_boot_params_address = mdesc->boot_params;
-		memcpy((void *)kexec_boot_params, tags, KEXEC_BOOT_PARAMS_SIZE);
-	}
-#endif
-
 	/*
 	 * If we have the old style parameters, convert them to
 	 * a tag list.
@@ -846,6 +818,7 @@ void __init setup_arch(char **cmdline_p)
 	if (tags->hdr.tag == ATAG_CORE) {
 		if (meminfo.nr_banks != 0)
 			squash_mem_tags(tags);
+		save_atags(tags);
 		parse_tags(tags);
 	}

@@ -290,6 +290,11 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
 	local_irq_enable();
 	local_fiq_enable();

+	/*
+	 * Setup local timer for this CPU.
+	 */
+	local_timer_setup(cpu);
+
 	calibrate_delay();

 	smp_store_cpu_info(cpu);
@@ -299,11 +304,6 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
 	 */
 	cpu_set(cpu, cpu_online_map);

-	/*
-	 * Setup local timer for this CPU.
-	 */
-	local_timer_setup(cpu);
-
 	/*
 	 * OK, it's off to the idle thread for us
 	 */
@@ -454,6 +454,27 @@ int smp_call_function(void (*func)(void *info), void *info, int retry,
 }
 EXPORT_SYMBOL_GPL(smp_call_function);

+int smp_call_function_single(int cpu, void (*func)(void *info), void *info,
+			     int retry, int wait)
+{
+	/* prevent preemption and reschedule on another processor */
+	int current_cpu = get_cpu();
+	int ret = 0;
+
+	if (cpu == current_cpu) {
+		local_irq_disable();
+		func(info);
+		local_irq_enable();
+	} else
+		ret = smp_call_function_on_cpu(func, info, retry, wait,
+					       cpumask_of_cpu(cpu));
+
+	put_cpu();
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(smp_call_function_single);
+
 void show_ipi_list(struct seq_file *p)
 {
 	unsigned int cpu;
@@ -481,8 +502,7 @@ void show_local_irqs(struct seq_file *p)
 static void ipi_timer(void)
 {
 	irq_enter();
-	profile_tick(CPU_PROFILING);
-	update_process_times(user_mode(get_irq_regs()));
+	local_timer_interrupt();
 	irq_exit();
 }

@@ -621,6 +641,11 @@ void smp_send_timer(void)
 	send_ipi_message(mask, IPI_TIMER);
 }

+void smp_timer_broadcast(cpumask_t mask)
+{
+	send_ipi_message(mask, IPI_TIMER);
+}
+
 void smp_send_stop(void)
 {
 	cpumask_t mask = cpu_online_map;
@@ -253,6 +253,36 @@ config AT91_TIMER_HZ
 	  system clock (of at least several MHz), rounding is less of a
 	  problem so it can be safer to use a decimal values like 100.

+choice
+	prompt "Select a UART for early kernel messages"
+
+config AT91_EARLY_DBGU
+	bool "DBGU"
+
+config AT91_EARLY_USART0
+	bool "USART0"
+
+config AT91_EARLY_USART1
+	bool "USART1"
+
+config AT91_EARLY_USART2
+	bool "USART2"
+	depends on ! ARCH_AT91X40
+
+config AT91_EARLY_USART3
+	bool "USART3"
+	depends on (ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9260)
+
+config AT91_EARLY_USART4
+	bool "USART4"
+	depends on ARCH_AT91SAM9260
+
+config AT91_EARLY_USART5
+	bool "USART5"
+	depends on ARCH_AT91SAM9260
+
+endchoice
+
 endmenu

 endif
@@ -49,8 +49,6 @@ static irqreturn_t at91sam926x_timer_interrupt(int irq, void *dev_id)
 	volatile long nr_ticks;

 	if (at91_sys_read(AT91_PIT_SR) & AT91_PIT_PITS) {	/* This is a shared interrupt */
-		write_seqlock(&xtime_lock);
-
 		/* Get number to ticks performed before interrupt and clear PIT interrupt */
 		nr_ticks = PIT_PICNT(at91_sys_read(AT91_PIT_PIVR));
 		do {
@@ -58,7 +56,6 @@ static irqreturn_t at91sam926x_timer_interrupt(int irq, void *dev_id)
 			nr_ticks--;
 		} while (nr_ticks);

-		write_sequnlock(&xtime_lock);
 		return IRQ_HANDLED;
 	} else
 		return IRQ_NONE;		/* not handled */
@@ -47,6 +47,9 @@ extern void at91_irq_resume(void);
 #define AT91RM9200_BGA		4	/* AT91RM9200 BGA package has 4 banks */

 struct at91_gpio_bank {
+	unsigned chipbase;		/* bank's first GPIO number */
+	void __iomem *regbase;		/* base of register bank */
+	struct at91_gpio_bank *next;	/* bank sharing same IRQ/clock/... */
 	unsigned short id;		/* peripheral ID */
 	unsigned long offset;		/* offset from system peripheral base */
 	struct clk *clock;		/* associated clock */
@@ -33,12 +33,10 @@ static int gpio_banks;

 static inline void __iomem *pin_to_controller(unsigned pin)
 {
-	void __iomem *sys_base = (void __iomem *) AT91_VA_BASE_SYS;
-
 	pin -= PIN_BASE;
 	pin /= 32;
 	if (likely(pin < gpio_banks))
-		return sys_base + gpio[pin].offset;
+		return gpio[pin].regbase;

 	return NULL;
 }
@@ -294,11 +292,11 @@ void at91_gpio_suspend(void)
 	int i;

 	for (i = 0; i < gpio_banks; i++) {
-		u32 pio = gpio[i].offset;
+		void __iomem	*pio = gpio[i].regbase;

-		backups[i] = at91_sys_read(pio + PIO_IMR);
-		at91_sys_write(pio + PIO_IDR, backups[i]);
-		at91_sys_write(pio + PIO_IER, wakeups[i]);
+		backups[i] = __raw_readl(pio + PIO_IMR);
+		__raw_writel(backups[i], pio + PIO_IDR);
+		__raw_writel(wakeups[i], pio + PIO_IER);

 		if (!wakeups[i])
 			clk_disable(gpio[i].clock);
@@ -315,13 +313,13 @@ void at91_gpio_resume(void)
 	int i;

 	for (i = 0; i < gpio_banks; i++) {
-		u32 pio = gpio[i].offset;
+		void __iomem	*pio = gpio[i].regbase;

 		if (!wakeups[i])
 			clk_enable(gpio[i].clock);

-		at91_sys_write(pio + PIO_IDR, wakeups[i]);
-		at91_sys_write(pio + PIO_IER, backups[i]);
+		__raw_writel(wakeups[i], pio + PIO_IDR);
+		__raw_writel(backups[i], pio + PIO_IER);
 	}
 }

@@ -361,7 +359,13 @@ static void gpio_irq_unmask(unsigned pin)

 static int gpio_irq_type(unsigned pin, unsigned type)
 {
-	return (type == IRQT_BOTHEDGE) ? 0 : -EINVAL;
+	switch (type) {
+	case IRQ_TYPE_NONE:
+	case IRQ_TYPE_EDGE_BOTH:
+		return 0;
+	default:
+		return -EINVAL;
+	}
 }

 static struct irq_chip gpio_irqchip = {
@@ -376,20 +380,30 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 {
 	unsigned	pin;
 	struct irq_desc	*gpio;
+	struct at91_gpio_bank *bank;
 	void __iomem	*pio;
 	u32		isr;

-	pio = get_irq_chip_data(irq);
+	bank = get_irq_chip_data(irq);
+	pio = bank->regbase;

 	/* temporarily mask (level sensitive) parent IRQ */
 	desc->chip->ack(irq);
 	for (;;) {
-		/* reading ISR acks the pending (edge triggered) GPIO interrupt */
+		/* Reading ISR acks pending (edge triggered) GPIO interrupts.
+		 * When there none are pending, we're finished unless we need
+		 * to process multiple banks (like ID_PIOCDE on sam9263).
+		 */
 		isr = __raw_readl(pio + PIO_ISR) & __raw_readl(pio + PIO_IMR);
-		if (!isr)
-			break;
+		if (!isr) {
+			if (!bank->next)
+				break;
+			bank = bank->next;
+			pio = bank->regbase;
+			continue;
+		}

-		pin = (unsigned) get_irq_data(irq);
+		pin = bank->chipbase;
 		gpio = &irq_desc[pin];

 		while (isr) {
@@ -481,24 +495,21 @@ postcore_initcall(at91_gpio_debugfs_init);
 */
 void __init at91_gpio_irq_setup(void)
 {
-	unsigned	pioc, pin;
+	unsigned		pioc, pin;
+	struct at91_gpio_bank	*this, *prev;

-	for (pioc = 0, pin = PIN_BASE;
-			pioc < gpio_banks;
-			pioc++) {
-		void __iomem	*controller;
-		unsigned	id = gpio[pioc].id;
+	for (pioc = 0, pin = PIN_BASE, this = gpio, prev = NULL;
+			pioc++ < gpio_banks;
+			prev = this, this++) {
+		unsigned	id = this->id;
 		unsigned	i;

-		clk_enable(gpio[pioc].clock);	/* enable PIO controller's clock */
+		/* enable PIO controller's clock */
+		clk_enable(this->clock);

-		controller = (void __iomem *) AT91_VA_BASE_SYS + gpio[pioc].offset;
-		__raw_writel(~0, controller + PIO_IDR);
+		__raw_writel(~0, this->regbase + PIO_IDR);

-		set_irq_data(id, (void *) pin);
-		set_irq_chip_data(id, controller);
-
-		for (i = 0; i < 32; i++, pin++) {
+		for (i = 0, pin = this->chipbase; i < 32; i++, pin++) {
 			/*
 			 * Can use the "simple" and not "edge" handler since it's
 			 * shorter, and the AIC handles interrupts sanely.
@@ -508,6 +519,14 @@ void __init at91_gpio_irq_setup(void)
 			set_irq_flags(pin, IRQF_VALID);
 		}

+		/* The toplevel handler handles one bank of GPIOs, except
+		 * AT91SAM9263_ID_PIOCDE handles three... PIOC is first in
+		 * the list, so we only set up that handler.
+		 */
+		if (prev && prev->next == this)
+			continue;
+
+		set_irq_chip_data(id, this);
 		set_irq_chained_handler(id, gpio_irq_handler);
 	}
 	pr_info("AT91: %d gpio irqs in %d banks\n", pin - PIN_BASE, gpio_banks);
@@ -518,8 +537,20 @@ void __init at91_gpio_irq_setup(void)
 */
 void __init at91_gpio_init(struct at91_gpio_bank *data, int nr_banks)
 {
+	unsigned		i;
+	struct at91_gpio_bank	*last;
+
 	BUG_ON(nr_banks > MAX_GPIO_BANKS);

 	gpio = data;
 	gpio_banks = nr_banks;
+
+	for (i = 0, last = NULL; i < nr_banks; i++, last = data, data++) {
+		data->chipbase = PIN_BASE + i * 32;
+		data->regbase = data->offset + (void __iomem *)AT91_VA_BASE_SYS;
+
+		/* AT91SAM9263_ID_PIOCDE groups PIOC, PIOD, PIOE */
+		if (last && last->id == data->id)
+			last->next = data;
+	}
 }
@@ -189,6 +189,20 @@ config IXP4XX_INDIRECT_PCI
 	  need to use the indirect method instead. If you don't know
 	  what you need, leave this option unselected.

+config IXP4XX_QMGR
+	tristate "IXP4xx Queue Manager support"
+	help
+	  This driver supports IXP4xx built-in hardware queue manager
+	  and is automatically selected by Ethernet and HSS drivers.
+
+config IXP4XX_NPE
+	tristate "IXP4xx Network Processor Engine support"
+	select HOTPLUG
+	select FW_LOADER
+	help
+	  This driver supports IXP4xx built-in network coprocessors
+	  and is automatically selected by Ethernet and HSS drivers.
+
 endmenu

 endif
@@ -23,10 +23,12 @@ obj-$(CONFIG_MACH_AVILA)	+= avila-setup.o
 obj-$(CONFIG_MACH_IXDPG425)	+= coyote-setup.o
 obj-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-setup.o
 obj-$(CONFIG_MACH_GTWX5715)	+= gtwx5715-setup.o
-obj-$(CONFIG_MACH_NSLU2)	+= nslu2-setup.o nslu2-power.o
-obj-$(CONFIG_MACH_NAS100D)	+= nas100d-setup.o nas100d-power.o
-obj-$(CONFIG_MACH_DSMG600)      += dsmg600-setup.o dsmg600-power.o
+obj-$(CONFIG_MACH_NSLU2)	+= nslu2-setup.o
+obj-$(CONFIG_MACH_NAS100D)	+= nas100d-setup.o
+obj-$(CONFIG_MACH_DSMG600)      += dsmg600-setup.o
 obj-$(CONFIG_MACH_GATEWAY7001)	+= gateway7001-setup.o
 obj-$(CONFIG_MACH_WG302V2)	+= wg302v2-setup.o

 obj-$(CONFIG_PCI)		+= $(obj-pci-$(CONFIG_PCI)) common-pci.o
+obj-$(CONFIG_IXP4XX_QMGR)	+= ixp4xx_qmgr.o
+obj-$(CONFIG_IXP4XX_NPE)	+= ixp4xx_npe.o
@@ -1,125 +0,0 @@
-/*
- * arch/arm/mach-ixp4xx/dsmg600-power.c
- *
- * DSM-G600 Power/Reset driver
- * Author: Michael Westerhof <mwester@dls.net>
- *
- * Based on nslu2-power.c
- *  Copyright (C) 2005 Tower Technologies
- *  Author: Alessandro Zummo <a.zummo@towertech.it>
- *
- * which was based on nslu2-io.c
- *  Copyright (C) 2004 Karen Spearel
- *
- * Maintainers: http://www.nslu2-linux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/module.h>
-#include <linux/reboot.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/jiffies.h>
-#include <linux/timer.h>
-
-#include <asm/mach-types.h>
-
-extern void ctrl_alt_del(void);
-
-/* This is used to make sure the power-button pusher is serious.  The button
- * must be held until the value of this counter reaches zero.
- */
-static volatile int power_button_countdown;
-
-/* Must hold the button down for at least this many counts to be processed */
-#define PBUTTON_HOLDDOWN_COUNT 4 /* 2 secs */
-
-static void dsmg600_power_handler(unsigned long data);
-static DEFINE_TIMER(dsmg600_power_timer, dsmg600_power_handler, 0, 0);
-
-static void dsmg600_power_handler(unsigned long data)
-{
-	/* This routine is called twice per second to check the
-	 * state of the power button.
-	 */
-
-	if (*IXP4XX_GPIO_GPINR & DSMG600_PB_BM) {
-
-		/* IO Pin is 1 (button pushed) */
-		if (power_button_countdown == 0) {
-			/* Signal init to do the ctrlaltdel action, this will bypass
-			 * init if it hasn't started and do a kernel_restart.
-			 */
-			ctrl_alt_del();
-
-			/* Change the state of the power LED to "blink" */
-			gpio_line_set(DSMG600_LED_PWR_GPIO, IXP4XX_GPIO_LOW);
-		}
-		power_button_countdown--;
-
-	} else {
-		power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
-	}
-
-	mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
-}
-
-static irqreturn_t dsmg600_reset_handler(int irq, void *dev_id)
-{
-	/* This is the paper-clip reset, it shuts the machine down directly. */
-	machine_power_off();
-
-	return IRQ_HANDLED;
-}
-
-static int __init dsmg600_power_init(void)
-{
-	if (!(machine_is_dsmg600()))
-		return 0;
-
-	if (request_irq(DSMG600_RB_IRQ, &dsmg600_reset_handler,
-		IRQF_DISABLED | IRQF_TRIGGER_LOW, "DSM-G600 reset button",
-		NULL) < 0) {
-
-		printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
-			DSMG600_RB_IRQ);
-
-		return -EIO;
-	}
-
-	/* The power button on the D-Link DSM-G600 is on GPIO 15, but
-	 * it cannot handle interrupts on that GPIO line.  So we'll
-	 * have to poll it with a kernel timer.
-	 */
-
-	/* Make sure that the power button GPIO is set up as an input */
-	gpio_line_config(DSMG600_PB_GPIO, IXP4XX_GPIO_IN);
-
-	/* Set the initial value for the power button IRQ handler */
-	power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
-
-	mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
-
-	return 0;
-}
-
-static void __exit dsmg600_power_exit(void)
-{
-	if (!(machine_is_dsmg600()))
-		return;
-
-	del_timer_sync(&dsmg600_power_timer);
-
-	free_irq(DSMG600_RB_IRQ, NULL);
-}
-
-module_init(dsmg600_power_init);
-module_exit(dsmg600_power_exit);
-
-MODULE_AUTHOR("Michael Westerhof <mwester@dls.net>");
-MODULE_DESCRIPTION("DSM-G600 Power/Reset driver");
-MODULE_LICENSE("GPL");
@@ -1,25 +1,37 @@
 /*
 * DSM-G600 board-setup
 *
+ * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
 * Copyright (C) 2006 Tower Technologies
- * Author: Alessandro Zummo <a.zummo@towertech.it>
 *
- * based ixdp425-setup.c:
+ * based on ixdp425-setup.c:
 *      Copyright (C) 2003-2004 MontaVista Software, Inc.
+ * based on nslu2-power.c:
+ *	Copyright (C) 2005 Tower Technologies
+ * based on nslu2-io.c:
+ *	Copyright (C) 2004 Karen Spearel
 *
 * Author: Alessandro Zummo <a.zummo@towertech.it>
+ * Author: Michael Westerhof <mwester@dls.net>
+ * Author: Rod Whitby <rod@whitby.id.au>
 * Maintainers: http://www.nslu2-linux.org/
 */

-#include <linux/kernel.h>
+#include <linux/irq.h>
+#include <linux/jiffies.h>
+#include <linux/timer.h>
 #include <linux/serial.h>
 #include <linux/serial_8250.h>
+#include <linux/leds.h>
+#include <linux/reboot.h>
+#include <linux/i2c.h>
 #include <linux/i2c-gpio.h>

 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
 #include <asm/mach/time.h>
+#include <asm/gpio.h>

 static struct flash_platform_data dsmg600_flash_data = {
 	.map_name		= "cfi_probe",
@@ -51,29 +63,34 @@ static struct platform_device dsmg600_i2c_gpio = {
 	},
 };

-#ifdef CONFIG_LEDS_CLASS
-static struct resource dsmg600_led_resources[] = {
+static struct i2c_board_info __initdata dsmg600_i2c_board_info [] = {
 	{
-		.name           = "power",
-		.start          = DSMG600_LED_PWR_GPIO,
-		.end            = DSMG600_LED_PWR_GPIO,
-		.flags          = IXP4XX_GPIO_HIGH,
-	},
-	{
-		.name           = "wlan",
-		.start		= DSMG600_LED_WLAN_GPIO,
-		.end            = DSMG600_LED_WLAN_GPIO,
-		.flags          = IXP4XX_GPIO_LOW,
+		I2C_BOARD_INFO("rtc-pcf8563", 0x51),
 	},
 };

+static struct gpio_led dsmg600_led_pins[] = {
+	{
+		.name		= "power",
+		.gpio		= DSMG600_LED_PWR_GPIO,
+	},
+	{
+		.name		= "wlan",
+		.gpio		= DSMG600_LED_WLAN_GPIO,
+		.active_low	= true,
+	},
+};
+
+static struct gpio_led_platform_data dsmg600_led_data = {
+	.num_leds		= ARRAY_SIZE(dsmg600_led_pins),
+	.leds			= dsmg600_led_pins,
+};
+
 static struct platform_device dsmg600_leds = {
-        .name                   = "IXP4XX-GPIO-LED",
-        .id                     = -1,
-        .num_resources          = ARRAY_SIZE(dsmg600_led_resources),
-        .resource               = dsmg600_led_resources,
+	.name			= "leds-gpio",
+	.id			= -1,
+	.dev.platform_data	= &dsmg600_led_data,
 };
-#endif

 static struct resource dsmg600_uart_resources[] = {
 	{
@@ -121,6 +138,7 @@ static struct platform_device dsmg600_uart = {
 static struct platform_device *dsmg600_devices[] __initdata = {
 	&dsmg600_i2c_gpio,
 	&dsmg600_flash,
+	&dsmg600_leds,
 };

 static void dsmg600_power_off(void)
@@ -132,6 +150,57 @@ static void dsmg600_power_off(void)
 	gpio_line_set(DSMG600_PO_GPIO, IXP4XX_GPIO_HIGH);
 }

+/* This is used to make sure the power-button pusher is serious.  The button
+ * must be held until the value of this counter reaches zero.
+ */
+static int power_button_countdown;
+
+/* Must hold the button down for at least this many counts to be processed */
+#define PBUTTON_HOLDDOWN_COUNT 4 /* 2 secs */
+
+static void dsmg600_power_handler(unsigned long data);
+static DEFINE_TIMER(dsmg600_power_timer, dsmg600_power_handler, 0, 0);
+
+static void dsmg600_power_handler(unsigned long data)
+{
+	/* This routine is called twice per second to check the
+	 * state of the power button.
+	 */
+
+	if (gpio_get_value(DSMG600_PB_GPIO)) {
+
+		/* IO Pin is 1 (button pushed) */
+		if (power_button_countdown > 0)
+			power_button_countdown--;
+
+	} else {
+
+		/* Done on button release, to allow for auto-power-on mods. */
+		if (power_button_countdown == 0) {
+			/* Signal init to do the ctrlaltdel action,
+			 * this will bypass init if it hasn't started
+			 * and do a kernel_restart.
+			 */
+			ctrl_alt_del();
+
+			/* Change the state of the power LED to "blink" */
+			gpio_line_set(DSMG600_LED_PWR_GPIO, IXP4XX_GPIO_LOW);
+		} else {
+			power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
+		}
+	}
+
+	mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
+}
+
+static irqreturn_t dsmg600_reset_handler(int irq, void *dev_id)
+{
+	/* This is the paper-clip reset, it shuts the machine down directly. */
+	machine_power_off();
+
+	return IRQ_HANDLED;
+}
+
 static void __init dsmg600_timer_init(void)
 {
    /* The xtal on this machine is non-standard. */
@@ -156,7 +225,8 @@ static void __init dsmg600_init(void)
 	dsmg600_flash_resource.end =
 		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;

-	pm_power_off = dsmg600_power_off;
+	i2c_register_board_info(0, dsmg600_i2c_board_info,
+				ARRAY_SIZE(dsmg600_i2c_board_info));

 	/* The UART is required on the DSM-G600 (Redboot cannot use the
 	 * NIC) -- do it here so that it does *not* get removed if
@@ -166,10 +236,28 @@ static void __init dsmg600_init(void)

 	platform_add_devices(dsmg600_devices, ARRAY_SIZE(dsmg600_devices));

-#ifdef CONFIG_LEDS_CLASS
-        /* We don't care whether or not this works. */
-        (void)platform_device_register(&dsmg600_leds);
-#endif
+	pm_power_off = dsmg600_power_off;
+
+	if (request_irq(gpio_to_irq(DSMG600_RB_GPIO), &dsmg600_reset_handler,
+		IRQF_DISABLED | IRQF_TRIGGER_LOW,
+		"DSM-G600 reset button", NULL) < 0) {
+
+		printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
+			gpio_to_irq(DSMG600_RB_GPIO));
+	}
+
+	/* The power button on the D-Link DSM-G600 is on GPIO 15, but
+	 * it cannot handle interrupts on that GPIO line.  So we'll
+	 * have to poll it with a kernel timer.
+	 */
+
+	/* Make sure that the power button GPIO is set up as an input */
+	gpio_line_config(DSMG600_PB_GPIO, IXP4XX_GPIO_IN);
+
+	/* Set the initial value for the power button IRQ handler */
+	power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
+
+	mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
 }

 MACHINE_START(DSMG600, "D-Link DSM-G600 RevA")
@@ -177,6 +177,31 @@ static struct platform_device ixdp425_uart = {
 	.resource		= ixdp425_uart_resources
 };

+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info ixdp425_plat_eth[] = {
+	{
+		.phy		= 0,
+		.rxq		= 3,
+		.txreadyq	= 20,
+	}, {
+		.phy		= 1,
+		.rxq		= 4,
+		.txreadyq	= 21,
+	}
+};
+
+static struct platform_device ixdp425_eth[] = {
+	{
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEB,
+		.dev.platform_data	= ixdp425_plat_eth,
+	}, {
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEC,
+		.dev.platform_data	= ixdp425_plat_eth + 1,
+	}
+};
+
 static struct platform_device *ixdp425_devices[] __initdata = {
 	&ixdp425_i2c_gpio,
 	&ixdp425_flash,
@@ -184,7 +209,9 @@ static struct platform_device *ixdp425_devices[] __initdata = {
    defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 	&ixdp425_flash_nand,
 #endif
-	&ixdp425_uart
+	&ixdp425_uart,
+	&ixdp425_eth[0],
+	&ixdp425_eth[1],
 };

 static void __init ixdp425_init(void)
--- a/Show More
+++ b/Show More