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

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (95 commits)
  [ARM] 4578/1: CM-x270: PCMCIA support
  [ARM] 4577/1: ITE 8152 PCI bridge support
  [ARM] 4576/1: CM-X270 machine support
  [ARM] pxa: Avoid pxa_gpio_mode() in gpio_direction_{in,out}put()
  [ARM] pxa: move pxa_set_mode() from pxa2xx_mainstone.c to mainstone.c
  [ARM] pxa: move pxa_set_mode() from pxa2xx_lubbock.c to lubbock.c
  [ARM] pxa: Make cpu_is_pxaXXX dependent on configuration symbols
  [ARM] pxa: PXA3xx base support
  [NET] smc91x: fix PXA DMA support code
  [SERIAL] Fix console initialisation ordering
  [ARM] pxa: tidy up arch/arm/mach-pxa/Makefile
  [ARM] Update arch/arm/Kconfig for drivers/Kconfig changes
  [ARM] 4600/1: fix kernel build failure with build-id-supporting binutils
  [ARM] 4599/1: Preserve ATAG list for use with kexec (2.6.23)
  [ARM] Rename consistent_sync() as dma_cache_maint()
  [ARM] 4572/1: ep93xx: add cirrus logic edb9307 support
  [ARM] 4596/1: S3C2412: Correct IRQs for SDI+CF and add decoding support
  [ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32
  [ARM] 4594/1: ns9xxx: use the new gpio functions
  [ARM] 4593/1: ns9xxx: implement generic clockevents
  ...

Documentation/arm/00-INDEX

@@ -4,19 +4,29 @@ Booting
 	- requirements for booting
 Interrupts
 	- ARM Interrupt subsystem documentation
+IXP2000
+	- Release Notes for Linux on Intel's IXP2000 Network Processor
 Netwinder
 	- Netwinder specific documentation
+Porting
+       - Symbol definitions for porting Linux to a new ARM machine.
+Setup
+       - Kernel initialization parameters on ARM Linux
 README
 	- General ARM documentation
-SA1100
+SA1100/
 	- SA1100 documentation
-XScale
-	- XScale documentation
-empeg
-	- Empeg documentation
+Samsung-S3C24XX
+	- S3C24XX ARM Linux Overview
+Sharp-LH
+	- Linux on Sharp LH79524 and LH7A40X System On a Chip (SOC)
+VFP/
+	- Release notes for Linux Kernel Vector Floating Point support code
+empeg/
+	- Ltd's Empeg MP3 Car Audio Player
 mem_alignment
 	- alignment abort handler documentation
 memory.txt
 	- description of the virtual memory layout
-nwfpe
+nwfpe/
 	- NWFPE floating point emulator documentation

arch/arm/Kconfig

@@ -318,6 +318,9 @@ config ARCH_KS8695
 
 config ARCH_NS9XXX
 	bool "NetSilicon NS9xxx"
+	select GENERIC_GPIO
+	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
 	help
 	  Say Y here if you intend to run this kernel on a NetSilicon NS9xxx
 	  System.
@@ -336,14 +339,14 @@ config ARCH_PNX4008
 	  This enables support for Philips PNX4008 mobile platform.
 
 config ARCH_PXA
-	bool "PXA2xx-based"
+	bool "PXA2xx/PXA3xx-based"
 	depends on MMU
 	select ARCH_MTD_XIP
 	select GENERIC_GPIO
 	select GENERIC_TIME
 	select GENERIC_CLOCKEVENTS
 	help
-	  Support for Intel's PXA2XX processor line.
+	  Support for Intel/Marvell's PXA2xx/PXA3xx processor line.
 
 config ARCH_RPC
 	bool "RiscPC"
@@ -486,7 +489,7 @@ source arch/arm/mm/Kconfig
 config IWMMXT
 	bool "Enable iWMMXt support"
 	depends on CPU_XSCALE || CPU_XSC3
-	default y if PXA27x
+	default y if PXA27x || PXA3xx
 	help
 	  Enable support for iWMMXt context switching at run time if
 	  running on a CPU that supports it.
@@ -994,6 +997,10 @@ source "drivers/pnp/Kconfig"
 
 source "drivers/block/Kconfig"
 
+# misc before ide - BLK_DEV_SGIIOC4 depends on SGI_IOC4
+
+source "drivers/misc/Kconfig"
+
 if PCMCIA || ARCH_CLPS7500 || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX \
 	|| ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \
 	|| ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE \
@@ -1029,16 +1036,16 @@ source "drivers/spi/Kconfig"
 
 source "drivers/w1/Kconfig"
 
+source "drivers/power/Kconfig"
+
 source "drivers/hwmon/Kconfig"
 
-#source "drivers/l3/Kconfig"
+source "drivers/ssb/Kconfig"
 
-source "drivers/misc/Kconfig"
+#source "drivers/l3/Kconfig"
 
 source "drivers/mfd/Kconfig"
 
-source "drivers/leds/Kconfig"
-
 source "drivers/media/Kconfig"
 
 source "drivers/video/Kconfig"
@@ -1051,6 +1058,8 @@ source "drivers/usb/Kconfig"
 
 source "drivers/mmc/Kconfig"
 
+source "drivers/leds/Kconfig"
+
 source "drivers/rtc/Kconfig"
 
 source "drivers/dma/Kconfig"

arch/arm/Kconfig-nommu

@@ -26,7 +26,7 @@ config FLASH_SIZE
 	default 0x00400000
 
 config PROCESSOR_ID
-	hex
+	hex 'Hard wire the processor ID'
 	default 0x00007700
 	depends on !CPU_CP15
 	help

arch/arm/Makefile

@@ -12,7 +12,7 @@
 
 LDFLAGS_vmlinux	:=-p --no-undefined -X
 CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
-OBJCOPYFLAGS	:=-O binary -R .note -R .comment -S
+OBJCOPYFLAGS	:=-O binary -R .note -R .note.gnu.build-id -R .comment -S
 GZFLAGS		:=-9
 #CFLAGS		+=-pipe
 # Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:

arch/arm/boot/compressed/head-xscale.S

@@ -33,10 +33,6 @@ __XScale_start:
 		bic	r0, r0, #0x1000		@ clear Icache
 		mcr	p15, 0, r0, c1, c0, 0
 
-#ifdef CONFIG_ARCH_LUBBOCK
-		mov	r7, #MACH_TYPE_LUBBOCK
-#endif
-
 #ifdef CONFIG_ARCH_COTULLA_IDP
 		mov	r7, #MACH_TYPE_COTULLA_IDP
 #endif

arch/arm/common/Makefile

@@ -17,3 +17,4 @@ obj-$(CONFIG_SHARPSL_PM)	+= sharpsl_pm.o
 obj-$(CONFIG_SHARP_SCOOP)	+= scoop.o
 obj-$(CONFIG_ARCH_IXP2000)	+= uengine.o
 obj-$(CONFIG_ARCH_IXP23XX)	+= uengine.o
+obj-$(CONFIG_PCI_HOST_ITE8152)  += it8152.o

arch/arm/common/dmabounce.c

@@ -263,7 +263,7 @@ map_single(struct device *dev, void *ptr, size_t size,
 		 * We don't need to sync the DMA buffer since
 		 * it was allocated via the coherent allocators.
 		 */
-		consistent_sync(ptr, size, dir);
+		dma_cache_maint(ptr, size, dir);
 	}
 
 	return dma_addr;
@@ -383,7 +383,7 @@ sync_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 		 * via the coherent allocators.
 		 */
 	} else {
-		consistent_sync(dma_to_virt(dev, dma_addr), size, dir);
+		dma_cache_maint(dma_to_virt(dev, dma_addr), size, dir);
 	}
 }
 

arch/arm/kernel/bios32.c

@@ -279,6 +279,25 @@ static void __devinit pci_fixup_cy82c693(struct pci_dev *dev)
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693, pci_fixup_cy82c693);
 
+static void __init pci_fixup_it8152(struct pci_dev *dev)
+{
+	int i;
+	/* fixup for ITE 8152 devices */
+	/* FIXME: add defines for class 0x68000 and 0x80103 */
+	if ((dev->class >> 8) == PCI_CLASS_BRIDGE_HOST ||
+	    dev->class == 0x68000 ||
+	    dev->class == 0x80103) {
+		for (i = 0; i < PCI_NUM_RESOURCES; i++) {
+			dev->resource[i].start = 0;
+			dev->resource[i].end   = 0;
+			dev->resource[i].flags = 0;
+		}
+	}
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8152, pci_fixup_it8152);
+
+
+
 void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
 {
 	if (debug_pci)
@@ -292,9 +311,12 @@ void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
  */
 static inline int pdev_bad_for_parity(struct pci_dev *dev)
 {
-	return (dev->vendor == PCI_VENDOR_ID_INTERG &&
+	return ((dev->vendor == PCI_VENDOR_ID_INTERG &&
 		 (dev->device == PCI_DEVICE_ID_INTERG_2000 ||
-		 dev->device == PCI_DEVICE_ID_INTERG_2010));
+		  dev->device == PCI_DEVICE_ID_INTERG_2010)) ||
+		(dev->vendor == PCI_VENDOR_ID_ITE &&
+		 dev->device == PCI_DEVICE_ID_ITE_8152));
+
 }
 
 /*

arch/arm/kernel/calls.S

@@ -361,6 +361,7 @@
 		CALL(sys_signalfd)
 /* 350 */	CALL(sys_timerfd)
 		CALL(sys_eventfd)
+		CALL(sys_fallocate)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted

arch/arm/kernel/relocate_kernel.S

@@ -7,6 +7,23 @@
 	.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
 
@@ -50,7 +67,7 @@ relocate_new_kernel:
 	mov lr,r1
 	mov r0,#0
 	ldr r1,kexec_mach_type
-	mov r2,#0
+	ldr r2,kexec_boot_params_address
 	mov pc,lr
 
 	.globl kexec_start_address
@@ -65,6 +82,16 @@ 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:
+	.long	0x0
+
 relocate_new_kernel_end:
 
 	.globl relocate_new_kernel_size

arch/arm/kernel/setup.c

@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/smp.h>
 #include <linux/fs.h>
+#include <linux/kexec.h>
 
 #include <asm/cpu.h>
 #include <asm/elf.h>
@@ -304,10 +305,23 @@ int cpu_architecture(void)
 		cpu_arch = (processor_id >> 16) & 7;
 		if (cpu_arch)
 			cpu_arch += CPU_ARCH_ARMv3;
-	} else {
-		/* the revised CPUID */
-		cpu_arch = ((processor_id >> 12) & 0xf) - 0xb + CPU_ARCH_ARMv6;
-	}
+	} else if ((processor_id & 0x000f0000) == 0x000f0000) {
+		unsigned int mmfr0;
+
+		/* Revised CPUID format. Read the Memory Model Feature
+		 * Register 0 and check for VMSAv7 or PMSAv7 */
+		asm("mrc	p15, 0, %0, c0, c1, 4"
+		    : "=r" (mmfr0));
+		if ((mmfr0 & 0x0000000f) == 0x00000003 ||
+		    (mmfr0 & 0x000000f0) == 0x00000030)
+			cpu_arch = CPU_ARCH_ARMv7;
+		else if ((mmfr0 & 0x0000000f) == 0x00000002 ||
+			 (mmfr0 & 0x000000f0) == 0x00000020)
+			cpu_arch = CPU_ARCH_ARMv6;
+		else
+			cpu_arch = CPU_ARCH_UNKNOWN;
+	} else
+		cpu_arch = CPU_ARCH_UNKNOWN;
 
 	return cpu_arch;
 }
@@ -770,6 +784,23 @@ 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;
@@ -788,6 +819,18 @@ 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.

arch/arm/mach-at91/Kconfig

@@ -7,6 +7,8 @@ choice
 
 config ARCH_AT91RM9200
 	bool "AT91RM9200"
+	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
 
 config ARCH_AT91SAM9260
 	bool "AT91SAM9260 or AT91SAM9XE"
@@ -20,8 +22,15 @@ config ARCH_AT91SAM9263
 config ARCH_AT91SAM9RL
 	bool "AT91SAM9RL"
 
+config ARCH_AT91X40
+	bool "AT91x40"
+
 endchoice
 
+config AT91_PMC_UNIT
+	bool
+	default !ARCH_AT91X40
+
 # ----------------------------------------------------------
 
 if ARCH_AT91RM9200
@@ -169,6 +178,22 @@ endif
 
 # ----------------------------------------------------------
 
+if ARCH_AT91X40
+
+comment "AT91X40 Board Type"
+
+config MACH_AT91EB01
+	bool "Atmel AT91EB01 Evaluation Kit"
+	help
+	  Select this if you are using Atmel's AT91EB01 Evaluation Kit.
+	  It is also a popular target for simulators such as GDB's
+	  ARM simulator (commonly known as the ARMulator) and the
+	  Skyeye simulator.
+
+endif
+
+# ----------------------------------------------------------
+
 comment "AT91 Board Options"
 
 config MTD_AT91_DATAFLASH_CARD

arch/arm/mach-at91/Makefile

@@ -2,11 +2,12 @@
 # Makefile for the linux kernel.
 #
 
-obj-y		:= clock.o irq.o gpio.o
+obj-y		:= irq.o gpio.o
 obj-m		:=
 obj-n		:=
 obj-		:=
 
+obj-$(CONFIG_AT91_PMC_UNIT)	+= clock.o
 obj-$(CONFIG_PM)		+= pm.o
 
 # CPU-specific support
@@ -15,6 +16,7 @@ obj-$(CONFIG_ARCH_AT91SAM9260)	+= at91sam9260.o at91sam926x_time.o at91sam9260_d
 obj-$(CONFIG_ARCH_AT91SAM9261)	+= at91sam9261.o at91sam926x_time.o at91sam9261_devices.o
 obj-$(CONFIG_ARCH_AT91SAM9263)	+= at91sam9263.o at91sam926x_time.o at91sam9263_devices.o
 obj-$(CONFIG_ARCH_AT91SAM9RL)	+= at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o
+obj-$(CONFIG_ARCH_AT91X40)	+= at91x40.o at91x40_time.o
 
 # AT91RM9200 board-specific support
 obj-$(CONFIG_MACH_ONEARM)	+= board-1arm.o
@@ -27,6 +29,7 @@ obj-$(CONFIG_MACH_KB9200)	+= board-kb9202.o
 obj-$(CONFIG_MACH_ATEB9200)	+= board-eb9200.o
 obj-$(CONFIG_MACH_KAFA)		+= board-kafa.o
 obj-$(CONFIG_MACH_PICOTUX2XX)	+= board-picotux200.o
+obj-$(CONFIG_MACH_AT91EB01)	+= board-eb01.o
 
 # AT91SAM9260 board-specific support
 obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o

arch/arm/mach-at91/at91rm9200_time.c

@@ -19,70 +19,64 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include <linux/init.h>
+#include <linux/kernel.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/time.h>
+#include <linux/clockchips.h>
 
-#include <asm/hardware.h>
-#include <asm/io.h>
 #include <asm/mach/time.h>
 
 #include <asm/arch/at91_st.h>
 
 static unsigned long last_crtr;
+static u32 irqmask;
+static struct clock_event_device clkevt;
 
 /*
- * The ST_CRTR is updated asynchronously to the master clock.  It is therefore
- *  necessary to read it twice (with the same value) to ensure accuracy.
+ * The ST_CRTR is updated asynchronously to the master clock ... but
+ * the updates as seen by the CPU don't seem to be strictly monotonic.
+ * Waiting until we read the same value twice avoids glitching.
  */
-static inline unsigned long read_CRTR(void) {
+static inline unsigned long read_CRTR(void)
+{
 	unsigned long x1, x2;
 
-	do {
 	x1 = at91_sys_read(AT91_ST_CRTR);
+	do {
 		x2 = at91_sys_read(AT91_ST_CRTR);
-	} while (x1 != x2);
-
+		if (x1 == x2)
+			break;
+		x1 = x2;
+	} while (1);
 	return x1;
 }
 
-/*
- * Returns number of microseconds since last timer interrupt.  Note that interrupts
- * will have been disabled by do_gettimeofday()
- *  'LATCH' is hwclock ticks (see CLOCK_TICK_RATE in timex.h) per jiffy.
- *  'tick' is usecs per jiffy (linux/timex.h).
- */
-static unsigned long at91rm9200_gettimeoffset(void)
-{
-	unsigned long elapsed;
-
-	elapsed = (read_CRTR() - last_crtr) & AT91_ST_ALMV;
-
-	return (unsigned long)(elapsed * (tick_nsec / 1000)) / LATCH;
-}
-
 /*
  * IRQ handler for the timer.
  */
 static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id)
 {
-	if (at91_sys_read(AT91_ST_SR) & AT91_ST_PITS) {	/* This is a shared interrupt */
-		write_seqlock(&xtime_lock);
+	u32	sr = at91_sys_read(AT91_ST_SR) & irqmask;
 
-		while (((read_CRTR() - last_crtr) & AT91_ST_ALMV) >= LATCH) {
-			timer_tick();
-			last_crtr = (last_crtr + LATCH) & AT91_ST_ALMV;
+	/* simulate "oneshot" timer with alarm */
+	if (sr & AT91_ST_ALMS) {
+		clkevt.event_handler(&clkevt);
+		return IRQ_HANDLED;
 	}
 
-		write_sequnlock(&xtime_lock);
+	/* periodic mode should handle delayed ticks */
+	if (sr & AT91_ST_PITS) {
+		u32	crtr = read_CRTR();
 
+		while (((crtr - last_crtr) & AT91_ST_CRTV) >= LATCH) {
+			last_crtr += LATCH;
+			clkevt.event_handler(&clkevt);
+		}
 		return IRQ_HANDLED;
 	}
-	else
-		return IRQ_NONE;		/* not handled */
+
+	/* this irq is shared ... */
+	return IRQ_NONE;
 }
 
 static struct irqaction at91rm9200_timer_irq = {
@@ -91,56 +85,127 @@ static struct irqaction at91rm9200_timer_irq = {
 	.handler	= at91rm9200_timer_interrupt
 };
 
-void at91rm9200_timer_reset(void)
+static cycle_t read_clk32k(void)
 {
-	last_crtr = 0;
+	return read_CRTR();
+}
 
-	/* Real time counter incremented every 30.51758 microseconds */
-	at91_sys_write(AT91_ST_RTMR, 1);
+static struct clocksource clk32k = {
+	.name		= "32k_counter",
+	.rating		= 150,
+	.read		= read_clk32k,
+	.mask		= CLOCKSOURCE_MASK(20),
+	.shift		= 10,
+	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
+};
 
-	/* Set Period Interval timer */
+static void
+clkevt32k_mode(enum clock_event_mode mode, struct clock_event_device *dev)
+{
+	/* Disable and flush pending timer interrupts */
+	at91_sys_write(AT91_ST_IDR, AT91_ST_PITS | AT91_ST_ALMS);
+	(void) at91_sys_read(AT91_ST_SR);
+
+	last_crtr = read_CRTR();
+	switch (mode) {
+	case CLOCK_EVT_MODE_PERIODIC:
+		/* PIT for periodic irqs; fixed rate of 1/HZ */
+		irqmask = AT91_ST_PITS;
 		at91_sys_write(AT91_ST_PIMR, LATCH);
+		break;
+	case CLOCK_EVT_MODE_ONESHOT:
+		/* ALM for oneshot irqs, set by next_event()
+		 * before 32 seconds have passed
+		 */
+		irqmask = AT91_ST_ALMS;
+		at91_sys_write(AT91_ST_RTAR, last_crtr);
+		break;
+	case CLOCK_EVT_MODE_SHUTDOWN:
+	case CLOCK_EVT_MODE_UNUSED:
+	case CLOCK_EVT_MODE_RESUME:
+		irqmask = 0;
+		break;
+	}
+	at91_sys_write(AT91_ST_IER, irqmask);
+}
+
+static int
+clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
+{
+	unsigned long	flags;
+	u32		alm;
+	int		status = 0;
+
+	BUG_ON(delta < 2);
+
+	/* Use "raw" primitives so we behave correctly on RT kernels. */
+	raw_local_irq_save(flags);
+
+	/* The alarm IRQ uses absolute time (now+delta), not the relative
+	 * time (delta) in our calling convention.  Like all clockevents
+	 * using such "match" hardware, we have a race to defend against.
+	 *
+	 * Our defense here is to have set up the clockevent device so the
+	 * delta is at least two.  That way we never end up writing RTAR
+	 * with the value then held in CRTR ... which would mean the match
+	 * wouldn't trigger until 32 seconds later, after CRTR wraps.
+	 */
+	alm = read_CRTR();
 
-	/* Clear any pending interrupts */
+	/* Cancel any pending alarm; flush any pending IRQ */
+	at91_sys_write(AT91_ST_RTAR, alm);
 	(void) at91_sys_read(AT91_ST_SR);
 
-	/* Enable Period Interval Timer interrupt */
-	at91_sys_write(AT91_ST_IER, AT91_ST_PITS);
+	/* Schedule alarm by writing RTAR. */
+	alm += delta;
+	at91_sys_write(AT91_ST_RTAR, alm);
+
+	raw_local_irq_restore(flags);
+	return status;
 }
 
+static struct clock_event_device clkevt = {
+	.name		= "at91_tick",
+	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+	.shift		= 32,
+	.rating		= 150,
+	.cpumask	= CPU_MASK_CPU0,
+	.set_next_event	= clkevt32k_next_event,
+	.set_mode	= clkevt32k_mode,
+};
+
 /*
- * Set up timer interrupt.
+ * ST (system timer) module supports both clockevents and clocksource.
  */
 void __init at91rm9200_timer_init(void)
 {
-	/* Disable all timer interrupts */
-	at91_sys_write(AT91_ST_IDR, AT91_ST_PITS | AT91_ST_WDOVF | AT91_ST_RTTINC | AT91_ST_ALMS);
-	(void) at91_sys_read(AT91_ST_SR);	/* Clear any pending interrupts */
+	/* Disable all timer interrupts, and clear any pending ones */
+	at91_sys_write(AT91_ST_IDR,
+		AT91_ST_PITS | AT91_ST_WDOVF | AT91_ST_RTTINC | AT91_ST_ALMS);
+	(void) at91_sys_read(AT91_ST_SR);
 
 	/* Make IRQs happen for the system timer */
 	setup_irq(AT91_ID_SYS, &at91rm9200_timer_irq);
 
-	/* Change the kernel's 'tick' value to 10009 usec. (the default is 10000) */
-	tick_usec = (LATCH * 1000000) / CLOCK_TICK_RATE;
+	/* The 32KiHz "Slow Clock" (tick every 30517.58 nanoseconds) is used
+	 * directly for the clocksource and all clockevents, after adjusting
+	 * its prescaler from the 1 Hz default.
+	 */
+	at91_sys_write(AT91_ST_RTMR, 1);
 
-	/* Initialize and enable the timer interrupt */
-	at91rm9200_timer_reset();
-}
+	/* Setup timer clockevent, with minimum of two ticks (important!!) */
+	clkevt.mult = div_sc(AT91_SLOW_CLOCK, NSEC_PER_SEC, clkevt.shift);
+	clkevt.max_delta_ns = clockevent_delta2ns(AT91_ST_ALMV, &clkevt);
+	clkevt.min_delta_ns = clockevent_delta2ns(2, &clkevt) + 1;
+	clkevt.cpumask = cpumask_of_cpu(0);
+	clockevents_register_device(&clkevt);
 
-#ifdef CONFIG_PM
-static void at91rm9200_timer_suspend(void)
-{
-	/* disable Period Interval Timer interrupt */
-	at91_sys_write(AT91_ST_IDR, AT91_ST_PITS);
+	/* register clocksource */
+	clk32k.mult = clocksource_hz2mult(AT91_SLOW_CLOCK, clk32k.shift);
+	clocksource_register(&clk32k);
 }
-#else
-#define at91rm9200_timer_suspend	NULL
-#endif
 
 struct sys_timer at91rm9200_timer = {
 	.init		= at91rm9200_timer_init,
-	.offset		= at91rm9200_gettimeoffset,
-	.suspend	= at91rm9200_timer_suspend,
-	.resume		= at91rm9200_timer_reset,
 };
 

arch/arm/mach-at91/at91x40.c

+/*
+ * arch/arm/mach-at91/at91x40.c
+ *
+ * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
+ * Copyright (C) 2005 SAN People
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/arch/at91x40.h>
+#include <asm/arch/at91_st.h>
+#include "generic.h"
+
+/*
+ * This is used in the gpio code, stub locally.
+ */
+int clk_enable(struct clk *clk)
+{
+	return 0;
+}
+
+void __init at91x40_initialize(unsigned long main_clock)
+{
+	at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1)
+			| (1 << AT91X40_ID_IRQ2);
+}
+
+/*
+ * The default interrupt priority levels (0 = lowest, 7 = highest).
+ */
+static unsigned int at91x40_default_irq_priority[NR_AIC_IRQS] __initdata = {
+	7,	/* Advanced Interrupt Controller (FIQ) */
+	0,	/* System Peripherals */
+	0,	/* USART 0 */
+	0,	/* USART 1 */
+	2,	/* Timer Counter 0 */
+	2,	/* Timer Counter 1 */
+	2,	/* Timer Counter 2 */
+	0,	/* Watchdog timer */
+	0,	/* Parallel IO Controller A */
+	0,	/* Reserved */
+	0,	/* Reserved */
+	0,	/* Reserved */
+	0,	/* Reserved */
+	0,	/* Reserved */
+	0,	/* Reserved */
+	0,	/* Reserved */
+	0,	/* External IRQ0 */
+	0,	/* External IRQ1 */
+	0,	/* External IRQ2 */
+};
+
+void __init at91x40_init_interrupts(unsigned int priority[NR_AIC_IRQS])
+{
+	if (!priority)
+		priority = at91x40_default_irq_priority;
+
+	at91_aic_init(priority);
+}
+

arch/arm/mach-at91/at91x40_time.c

+/*
+ * arch/arm/mach-at91/at91x40_time.c
+ *
+ * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
+ *
+ * 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
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/time.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/mach/time.h>
+#include <asm/arch/at91_tc.h>
+
+/*
+ *	3 counter/timer units present.
+ */
+#define	AT91_TC_CLK0BASE	0
+#define	AT91_TC_CLK1BASE	0x40
+#define	AT91_TC_CLK2BASE	0x80
+
+static unsigned long at91x40_gettimeoffset(void)
+{
+	return (at91_sys_read(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CV) * 1000000 / (AT91X40_MASTER_CLOCK / 128));
+}
+
+static irqreturn_t at91x40_timer_interrupt(int irq, void *dev_id)
+{
+	at91_sys_read(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_SR);
+	timer_tick();
+	return IRQ_HANDLED;
+}
+
+static struct irqaction at91x40_timer_irq = {
+	.name		= "at91_tick",
+	.flags		= IRQF_DISABLED | IRQF_TIMER,
+	.handler	= at91x40_timer_interrupt
+};
+
+void __init at91x40_timer_init(void)
+{
+	unsigned int v;
+
+	at91_sys_write(AT91_TC + AT91_TC_BCR, 0);
+	v = at91_sys_read(AT91_TC + AT91_TC_BMR);
+	v = (v & ~AT91_TC_TC1XC1S) | AT91_TC_TC1XC1S_NONE;
+	at91_sys_write(AT91_TC + AT91_TC_BMR, v);
+
+	at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CCR, AT91_TC_CLKDIS);
+	at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CMR, (AT91_TC_TIMER_CLOCK4 | AT91_TC_CPCTRG));
+	at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_IDR, 0xffffffff);
+	at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_RC, (AT91X40_MASTER_CLOCK / 128) / HZ - 1);
+	at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_IER, (1<<4));
+
+	setup_irq(AT91X40_ID_TC1, &at91x40_timer_irq);
+
+	at91_sys_write(AT91_TC + AT91_TC_CLK1BASE + AT91_TC_CCR, (AT91_TC_SWTRG | AT91_TC_CLKEN));
+}
+
+struct sys_timer at91x40_timer = {
+	.init	= at91x40_timer_init,
+	.offset	= at91x40_gettimeoffset,
+};
+

arch/arm/mach-at91/board-eb01.c

+/*
+ * arch/arm/mach-at91/board-eb01.c
+ *
+ * (C) Copyright 2007, Greg Ungerer <gerg@snapgear.com>
+ *
+ * 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
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <asm/mach-types.h>
+#include <asm/hardware.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/arch/board.h>
+#include "generic.h"
+
+static void __init at91eb01_map_io(void)
+{
+	at91x40_initialize(40000000);
+}
+
+MACHINE_START(AT91EB01, "Atmel AT91 EB01")
+	/* Maintainer: Greg Ungerer <gerg@snapgear.com> */
+	.timer		= &at91x40_timer,
+	.init_irq	= at91x40_init_interrupts,
+	.map_io		= at91eb01_map_io,
+MACHINE_END
+

arch/arm/mach-at91/generic.h

@@ -14,6 +14,7 @@ extern void __init at91sam9260_initialize(unsigned long main_clock);
 extern void __init at91sam9261_initialize(unsigned long main_clock);
 extern void __init at91sam9263_initialize(unsigned long main_clock);
 extern void __init at91sam9rl_initialize(unsigned long main_clock);
+extern void __init at91x40_initialize(unsigned long main_clock);
 
  /* Interrupts */
 extern void __init at91rm9200_init_interrupts(unsigned int priority[]);
@@ -21,12 +22,14 @@ extern void __init at91sam9260_init_interrupts(unsigned int priority[]);
 extern void __init at91sam9261_init_interrupts(unsigned int priority[]);
 extern void __init at91sam9263_init_interrupts(unsigned int priority[]);
 extern void __init at91sam9rl_init_interrupts(unsigned int priority[]);
+extern void __init at91x40_init_interrupts(unsigned int priority[]);
 extern void __init at91_aic_init(unsigned int priority[]);
 
  /* Timer */
 struct sys_timer;
 extern struct sys_timer at91rm9200_timer;
 extern struct sys_timer at91sam926x_timer;
+extern struct sys_timer at91x40_timer;
 
  /* Clocks */
 extern int __init at91_clock_init(unsigned long main_clock);

arch/arm/mach-clps7500/core.c

@@ -193,7 +193,11 @@ static struct irq_chip clps7500_no_chip = {
 	.unmask	= cl7500_no_action,
 };
 
-static struct irqaction irq_isa = { no_action, 0, CPU_MASK_NONE, "isa", NULL, NULL };
+static struct irqaction irq_isa = {
+	.handler = no_action,
+	.mask = CPU_MASK_NONE,
+	.name = "isa",
+};
 
 static void __init clps7500_init_irq(void)
 {

arch/arm/mach-ep93xx/Kconfig

@@ -27,6 +27,12 @@ config MACH_EDB9302A
 	  Say 'Y' here if you want your kernel to support the Cirrus
 	  Logic EDB9302A Evaluation Board.
 
+config MACH_EDB9307
+	bool "Support Cirrus Logic EDB9307"
+	help
+	  Say 'Y' here if you want your kernel to support the Cirrus
+	  Logic EDB9307 Evaluation Board.
+
 config MACH_EDB9312
 	bool "Support Cirrus Logic EDB9312"
 	help

arch/arm/mach-ep93xx/Makefile

@@ -9,6 +9,7 @@ obj-			:=
 obj-$(CONFIG_MACH_ADSSPHERE)	+= adssphere.o
 obj-$(CONFIG_MACH_EDB9302)	+= edb9302.o
 obj-$(CONFIG_MACH_EDB9302A)	+= edb9302a.o
+obj-$(CONFIG_MACH_EDB9307)	+= edb9307.o
 obj-$(CONFIG_MACH_EDB9312)	+= edb9312.o
 obj-$(CONFIG_MACH_EDB9315)	+= edb9315.o
 obj-$(CONFIG_MACH_EDB9315A)	+= edb9315a.o

arch/arm/mach-ep93xx/edb9307.c

+/*
+ * arch/arm/mach-ep93xx/edb9307.c
+ * Cirrus Logic EDB9307 support.
+ *
+ * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+static struct physmap_flash_data edb9307_flash_data = {
+	.width		= 4,
+};
+
+static struct resource edb9307_flash_resource = {
+	.start		= 0x60000000,
+	.end		= 0x61ffffff,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device edb9307_flash = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &edb9307_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &edb9307_flash_resource,
+};
+
+static struct ep93xx_eth_data edb9307_eth_data = {
+	.phy_id			= 1,
+};
+
+static struct resource edb9307_eth_resource[] = {
+	{
+		.start	= EP93XX_ETHERNET_PHYS_BASE,
+		.end	= EP93XX_ETHERNET_PHYS_BASE + 0xffff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_EP93XX_ETHERNET,
+		.end	= IRQ_EP93XX_ETHERNET,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device edb9307_eth_device = {
+	.name		= "ep93xx-eth",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &edb9307_eth_data,
+	},
+	.num_resources	= 2,
+	.resource	= edb9307_eth_resource,
+};
+
+static void __init edb9307_init_machine(void)
+{
+	ep93xx_init_devices();
+	platform_device_register(&edb9307_flash);
+
+	memcpy(edb9307_eth_data.dev_addr,
+		(void *)(EP93XX_ETHERNET_BASE + 0x50), 6);
+	platform_device_register(&edb9307_eth_device);
+}
+
+MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
+	/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
+	.phys_io	= EP93XX_APB_PHYS_BASE,
+	.io_pg_offst	= ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.map_io		= ep93xx_map_io,
+	.init_irq	= ep93xx_init_irq,
+	.timer		= &ep93xx_timer,
+	.init_machine	= edb9307_init_machine,
+MACHINE_END

arch/arm/mach-footbridge/isa.c

@@ -12,6 +12,39 @@
 
 #include <asm/irq.h>
 
+static struct resource rtc_resources[] = {
+	[0] = {
+		.start	= 0x70,
+		.end	= 0x73,
+		.flags	= IORESOURCE_IO,
+	},
+	[1] = {
+		.start	= IRQ_ISA_RTC_ALARM,
+		.end	= IRQ_ISA_RTC_ALARM,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device rtc_device = {
+	.name		= "rtc_cmos",
+	.id		= -1,
+	.resource	= rtc_resources,
+	.num_resources	= ARRAY_SIZE(rtc_resources),
+};
+
+static struct resource serial_resources[] = {
+	[0] = {
+		.start	= 0x3f8,
+		.end	= 0x3ff,
+		.flags	= IORESOURCE_IO,
+	},
+	[1] = {
+		.start	= 0x2f8,
+		.end	= 0x2ff,
+		.flags	= IORESOURCE_IO,
+	},
+};
+
 static struct plat_serial8250_port serial_platform_data[] = {
 	{
 		.iobase		= 0x3f8,
@@ -38,11 +71,21 @@ static struct platform_device serial_device = {
 	.dev			= {
 		.platform_data	= serial_platform_data,
 	},
+	.resource		= serial_resources,
+	.num_resources		= ARRAY_SIZE(serial_resources),
 };
 
 static int __init footbridge_isa_init(void)
 {
-	return platform_device_register(&serial_device);
+	int err;
+
+	err = platform_device_register(&rtc_device);
+	if (err)
+		printk(KERN_ERR "Unable to register RTC device: %d\n", err);
+	err = platform_device_register(&serial_device);
+	if (err)
+		printk(KERN_ERR "Unable to register serial device: %d\n", err);
+	return 0;
 }
 
 arch_initcall(footbridge_isa_init);

arch/arm/mach-ns9xxx/Makefile

-obj-y := irq.o time.o generic.o
+obj-y := irq.o time.o generic.o gpio.o
 
 obj-$(CONFIG_MACH_CC9P9360DEV) += mach-cc9p9360dev.o
 obj-$(CONFIG_MACH_CC9P9360JS) += mach-cc9p9360js.o

arch/arm/mach-ns9xxx/board-a9m9750dev.c

@@ -13,6 +13,7 @@
 #include <linux/irq.h>
 
 #include <asm/mach/map.h>
+#include <asm/gpio.h>
 
 #include <asm/arch-ns9xxx/board.h>
 #include <asm/arch-ns9xxx/regs-sys.h>
@@ -44,7 +45,13 @@ static void a9m9750dev_fpga_ack_irq(unsigned int irq)
 
 static void a9m9750dev_fpga_mask_irq(unsigned int irq)
 {
-	FPGA_IER &= ~(1 << (irq - FPGA_IRQ(0)));
+	u8 ier;
+
+	ier = __raw_readb(FPGA_IER);
+
+	ier &= ~(1 << (irq - FPGA_IRQ(0)));
+
+	__raw_writeb(ier, FPGA_IER);
 }
 
 static void a9m9750dev_fpga_maskack_irq(unsigned int irq)
@@ -55,7 +62,13 @@ static void a9m9750dev_fpga_maskack_irq(unsigned int irq)
 
 static void a9m9750dev_fpga_unmask_irq(unsigned int irq)
 {
-	FPGA_IER |= 1 << (irq - FPGA_IRQ(0));
+	u8 ier;
+
+	ier = __raw_readb(FPGA_IER);
+
+	ier |= 1 << (irq - FPGA_IRQ(0));
+
+	__raw_writeb(ier, FPGA_IER);
 }
 
 static struct irq_chip a9m9750dev_fpga_chip = {
@@ -68,30 +81,34 @@ static struct irq_chip a9m9750dev_fpga_chip = {
 static void a9m9750dev_fpga_demux_handler(unsigned int irq,
 		struct irq_desc *desc)
 {
-	int stat = FPGA_ISR;
+	u8 stat = __raw_readb(FPGA_ISR);
+
+	desc->chip->mask_ack(irq);
 
 	while (stat != 0) {
 		int irqno = fls(stat) - 1;
+		struct irq_desc *fpgadesc;
 
 		stat &= ~(1 << irqno);
 
-		desc = irq_desc + FPGA_IRQ(irqno);
+		fpgadesc = irq_desc + FPGA_IRQ(irqno);
 
-		desc_handle_irq(FPGA_IRQ(irqno), desc);
+		desc_handle_irq(FPGA_IRQ(irqno), fpgadesc);
 	}
+
+	desc->chip->unmask(irq);
 }
 
 void __init board_a9m9750dev_init_irq(void)
 {
-	u32 reg;
+	u32 eic;
 	int i;
 
-	/*
-	 * configure gpio for IRQ_EXT2
-	 * use GPIO 11, because GPIO 32 is used for the LCD
-	 */
-	/* XXX: proper GPIO handling */
-	BBU_GCONFb1(1) &= ~0x2000;
+	if (gpio_request(11, "board a9m9750dev extirq2") == 0)
+		ns9xxx_gpio_configure(11, 0, 1);
+	else
+		printk(KERN_ERR "%s: cannot get gpio 11 for IRQ_EXT2\n",
+				__func__);
 
 	for (i = FPGA_IRQ(0); i <= FPGA_IRQ(7); ++i) {
 		set_irq_chip(i, &a9m9750dev_fpga_chip);
@@ -100,10 +117,10 @@ void __init board_a9m9750dev_init_irq(void)
 	}
 
 	/* IRQ_EXT2: level sensitive + active low */
-	reg = SYS_EIC(2);
-	REGSET(reg, SYS_EIC, PLTY, AL);
-	REGSET(reg, SYS_EIC, LVEDG, LEVEL);
-	SYS_EIC(2) = reg;
+	eic = __raw_readl(SYS_EIC(2));
+	REGSET(eic, SYS_EIC, PLTY, AL);
+	REGSET(eic, SYS_EIC, LVEDG, LEVEL);
+	__raw_writel(eic, SYS_EIC(2));
 
 	set_irq_chained_handler(IRQ_EXT2,
 			a9m9750dev_fpga_demux_handler);
@@ -167,17 +184,18 @@ void __init board_a9m9750dev_init_machine(void)
 	u32 reg;
 
 	/* setup static CS0: memory base ... */
-	REGSETIM(SYS_SMCSSMB(0), SYS_SMCSSMB, CSxB,
-			NS9XXX_CSxSTAT_PHYS(0) >> 12);
+	reg = __raw_readl(SYS_SMCSSMB(0));
+	REGSETIM(reg, SYS_SMCSSMB, CSxB, NS9XXX_CSxSTAT_PHYS(0) >> 12);
+	__raw_writel(reg, SYS_SMCSSMB(0));
 
 	/* ... and mask */
-	reg = SYS_SMCSSMM(0);
+	reg = __raw_readl(SYS_SMCSSMM(0));
 	REGSETIM(reg, SYS_SMCSSMM, CSxM, 0xfffff);
 	REGSET(reg, SYS_SMCSSMM, CSEx, EN);
-	SYS_SMCSSMM(0) = reg;
+	__raw_writel(reg, SYS_SMCSSMM(0));
 
 	/* setup static CS0: memory configuration */
-	reg = MEM_SMC(0);
+	reg = __raw_readl(MEM_SMC(0));
 	REGSET(reg, MEM_SMC, PSMC, OFF);
 	REGSET(reg, MEM_SMC, BSMC, OFF);
 	REGSET(reg, MEM_SMC, EW, OFF);
@@ -185,13 +203,13 @@ void __init board_a9m9750dev_init_machine(void)
 	REGSET(reg, MEM_SMC, PC, AL);
 	REGSET(reg, MEM_SMC, PM, DIS);
 	REGSET(reg, MEM_SMC, MW, 8);
-	MEM_SMC(0) = reg;
+	__raw_writel(reg, MEM_SMC(0));
 
 	/* setup static CS0: timing */
-	MEM_SMWED(0) = 0x2;
-	MEM_SMOED(0) = 0x2;
-	MEM_SMRD(0) = 0x6;
-	MEM_SMWD(0) = 0x6;
+	__raw_writel(0x2, MEM_SMWED(0));
+	__raw_writel(0x2, MEM_SMOED(0));
+	__raw_writel(0x6, MEM_SMRD(0));
+	__raw_writel(0x6, MEM_SMWD(0));
 
 	platform_add_devices(board_a9m9750dev_devices,
 			ARRAY_SIZE(board_a9m9750dev_devices));

arch/arm/mach-ns9xxx/irq.c

@@ -9,6 +9,7 @@
  * the Free Software Foundation.
  */
 #include <linux/interrupt.h>
+#include <asm/io.h>
 #include <asm/mach/irq.h>
 #include <asm/mach-types.h>
 #include <asm/arch-ns9xxx/regs-sys.h>
@@ -17,48 +18,17 @@
 
 #include "generic.h"
 
-static void ns9xxx_ack_irq_timer(unsigned int irq)
-{
-	u32 tc = SYS_TC(irq - IRQ_TIMER0);
-
-	/*
-	 * If the timer is programmed to halt on terminal count, the
-	 * timer must be disabled before clearing the interrupt.
-	 */
-	if (REGGET(tc, SYS_TCx, REN) == 0) {
-		REGSET(tc, SYS_TCx, TEN, DIS);
-		SYS_TC(irq - IRQ_TIMER0) = tc;
-	}
-
-	REGSET(tc, SYS_TCx, INTC, SET);
-	SYS_TC(irq - IRQ_TIMER0) = tc;
-
-	REGSET(tc, SYS_TCx, INTC, UNSET);
-	SYS_TC(irq - IRQ_TIMER0) = tc;
-}
-
-static void (*ns9xxx_ack_irq_functions[NR_IRQS])(unsigned int) = {
-	[IRQ_TIMER0] = ns9xxx_ack_irq_timer,
-	[IRQ_TIMER1] = ns9xxx_ack_irq_timer,
-	[IRQ_TIMER2] = ns9xxx_ack_irq_timer,
-	[IRQ_TIMER3] = ns9xxx_ack_irq_timer,
-};
-
 static void ns9xxx_mask_irq(unsigned int irq)
 {
 	/* XXX: better use cpp symbols */
-	SYS_IC(irq / 4) &= ~(1 << (7 + 8 * (3 - (irq & 3))));
+	u32 ic = __raw_readl(SYS_IC(irq / 4));
+	ic &= ~(1 << (7 + 8 * (3 - (irq & 3))));
+	__raw_writel(ic, SYS_IC(irq / 4));
 }
 
 static void ns9xxx_ack_irq(unsigned int irq)
 {
-	if (!ns9xxx_ack_irq_functions[irq]) {
-		printk(KERN_ERR "no ack function for irq %u\n", irq);
-		BUG();
-	}
-
-	ns9xxx_ack_irq_functions[irq](irq);
-	SYS_ISRADDR = 0;
+	__raw_writel(0, SYS_ISRADDR);
 }
 
 static void ns9xxx_maskack_irq(unsigned int irq)
@@ -70,7 +40,9 @@ static void ns9xxx_maskack_irq(unsigned int irq)
 static void ns9xxx_unmask_irq(unsigned int irq)
 {
 	/* XXX: better use cpp symbols */
-	SYS_IC(irq / 4) |= 1 << (7 + 8 * (3 - (irq & 3)));
+	u32 ic = __raw_readl(SYS_IC(irq / 4));
+	ic |= 1 << (7 + 8 * (3 - (irq & 3)));
+	__raw_writel(ic, SYS_IC(irq / 4));
 }
 
 static struct irq_chip ns9xxx_chip = {
@@ -86,14 +58,14 @@ void __init ns9xxx_init_irq(void)
 
 	/* disable all IRQs */
 	for (i = 0; i < 8; ++i)
-		SYS_IC(i) = (4 * i) << 24 | (4 * i + 1) << 16 |
-			(4 * i + 2) << 8 | (4 * i + 3);
+		__raw_writel((4 * i) << 24 | (4 * i + 1) << 16 |
+				(4 * i + 2) << 8 | (4 * i + 3), SYS_IC(i));
 
 	/* simple interrupt prio table:
 	 * prio(x) < prio(y) <=> x < y
 	 */
 	for (i = 0; i < 32; ++i)
-		SYS_IVA(i) = i;
+		__raw_writel(i, SYS_IVA(i));
 
 	for (i = IRQ_WATCHDOG; i <= IRQ_EXT3; ++i) {
 		set_irq_chip(i, &ns9xxx_chip);

arch/arm/mach-omap1/Kconfig

@@ -84,11 +84,39 @@ config MACH_OMAP_PALMTE
 	bool "Palm Tungsten E"
 	depends on ARCH_OMAP1 && ARCH_OMAP15XX
 	help
-          Support for the Palm Tungsten E PDA. Currently only the LCD panel
-          is supported. To boot the kernel, you'll need a PalmOS compatible
-          bootloader; check out http://palmtelinux.sourceforge.net for more
-          information.
-          Say Y here if you have such a PDA, say NO otherwise.
+	  Support for the Palm Tungsten E PDA.  To boot the kernel, you'll
+	  need a PalmOS compatible bootloader; check out
+	  http://palmtelinux.sourceforge.net/ for more information.
+	  Say Y here if you have this PDA model, say N otherwise.
+
+config MACH_OMAP_PALMZ71
+	bool "Palm Zire71"
+	depends on ARCH_OMAP1 && ARCH_OMAP15XX
+	help
+	 Support for the Palm Zire71 PDA. To boot the kernel,
+	 you'll need a PalmOS compatible bootloader; check out
+	 http://hackndev.com/palm/z71 for more informations.
+	 Say Y here if you have such a PDA, say N otherwise.
+
+config MACH_OMAP_PALMTT
+	bool "Palm Tungsten|T"
+	depends on ARCH_OMAP1 && ARCH_OMAP15XX
+	help
+	  Support for the Palm Tungsten|T PDA. To boot the kernel, you'll
+	  need a PalmOS compatible bootloader (Garux); check out
+	  http://www.hackndev.com/palm/tt/ for more information.
+	  Say Y here if you have this PDA model, say N otherwise.
+
+config MACH_SX1
+	bool "Siemens SX1"
+	depends on ARCH_OMAP1 && ARCH_OMAP15XX
+	help
+	  Support for the Siemens SX1 phone. To boot the kernel,
+	  you'll need a SX1 compatible bootloader; check out
+	  http://forum.oslik.ru and
+	  http://www.handhelds.org/moin/moin.cgi/SiemensSX1
+	  for more information.
+	  Say Y here if you have such a phone, say NO otherwise.
 
 config MACH_NOKIA770
 	bool "Nokia 770"

arch/arm/mach-omap1/Makefile

@@ -22,8 +22,11 @@ obj-$(CONFIG_MACH_OMAP_OSK)		+= board-osk.o
 obj-$(CONFIG_MACH_OMAP_H3)		+= board-h3.o
 obj-$(CONFIG_MACH_VOICEBLUE)		+= board-voiceblue.o
 obj-$(CONFIG_MACH_OMAP_PALMTE)		+= board-palmte.o
+obj-$(CONFIG_MACH_OMAP_PALMZ71)		+= board-palmz71.o
+obj-$(CONFIG_MACH_OMAP_PALMTT)		+= board-palmtt.o
 obj-$(CONFIG_MACH_NOKIA770)		+= board-nokia770.o
 obj-$(CONFIG_MACH_AMS_DELTA)		+= board-ams-delta.o
+obj-$(CONFIG_MACH_SX1)			+= board-sx1.o
 
 ifeq ($(CONFIG_ARCH_OMAP15XX),y)
 # Innovator-1510 FPGA