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

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (416 commits)
  ARM: DMA: add support for DMA debugging
  ARM: PL011: add DMA burst threshold support for ST variants
  ARM: PL011: Add support for transmit DMA
  ARM: PL011: Ensure IRQs are disabled in UART interrupt handler
  ARM: PL011: Separate hardware FIFO size from TTY FIFO size
  ARM: PL011: Allow better handling of vendor data
  ARM: PL011: Ensure error flags are clear at startup
  ARM: PL011: include revision number in boot-time port printk
  ARM: vexpress: add sched_clock() for Versatile Express
  ARM i.MX53: Make MX53 EVK bootable
  ARM i.MX53: Some bug fix about MX53 MSL code
  ARM: 6607/1: sa1100: Update platform device registration
  ARM: 6606/1: sa1100: Fix platform device registration
  ARM i.MX51: rename IPU irqs
  ARM i.MX51: Add ipu clock support
  ARM: imx/mx27_3ds: Add PMIC support
  ARM: DMA: Replace page_to_dma()/dma_to_page() with pfn_to_dma()/dma_to_pfn()
  mx51: fix usb clock support
  MX51: Add support for usb host 2
  arch/arm/plat-mxc/ehci.c: fix errors/typos
  ...

11 files changed, 602 insertions, 89 deletions

diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig
index 5da8c35aa0de..42625e4d949a 100644
--- a/arch/arm/mach-sa1100/Kconfig
+++ b/arch/arm/mach-sa1100/Kconfig
@@ -118,6 +118,16 @@ config SA1100_LART
 	  (also known as the LART).  See <http://www.lartmaker.nl/> for
 	  information on the LART.
 
+config SA1100_NANOENGINE
+	bool "nanoEngine"
+	select CPU_FREQ_SA1110
+	select PCI
+	select PCI_NANOENGINE
+	help
+	  Say Y here if you are using the Bright Star Engineering nanoEngine.
+	  See <http://www.brightstareng.com/arm/nanoeng.htm> for information
+	  on the BSE nanoEngine.
+
 config SA1100_PLEB
 	bool "PLEB"
 	select CPU_FREQ_SA1100
diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile
index 89349c1dd7a6..e697691eed28 100644
--- a/arch/arm/mach-sa1100/Makefile
+++ b/arch/arm/mach-sa1100/Makefile
@@ -37,6 +37,9 @@ obj-$(CONFIG_SA1100_JORNADA720_SSP)	+= jornada720_ssp.o
 obj-$(CONFIG_SA1100_LART)		+= lart.o
 led-$(CONFIG_SA1100_LART)		+= leds-lart.o
 
+obj-$(CONFIG_SA1100_NANOENGINE)		+= nanoengine.o
+obj-$(CONFIG_PCI_NANOENGINE)		+= pci-nanoengine.o
+
 obj-$(CONFIG_SA1100_PLEB)		+= pleb.o
 
 obj-$(CONFIG_SA1100_SHANNON)		+= shannon.o
diff --git a/arch/arm/mach-sa1100/cpu-sa1100.c b/arch/arm/mach-sa1100/cpu-sa1100.c
index 96f7dc103b59..07d4e8ba3719 100644
--- a/arch/arm/mach-sa1100/cpu-sa1100.c
+++ b/arch/arm/mach-sa1100/cpu-sa1100.c
@@ -94,48 +94,47 @@
 
 #include "generic.h"
 
-typedef struct {
+struct sa1100_dram_regs {
 	int speed;
 	u32 mdcnfg;
 	u32 mdcas0;
 	u32 mdcas1;
 	u32 mdcas2;
-} sa1100_dram_regs_t;
+};
 
 
 static struct cpufreq_driver sa1100_driver;
 
-static sa1100_dram_regs_t sa1100_dram_settings[] =
-{
-	/* speed,     mdcnfg,     mdcas0,     mdcas1,     mdcas2  clock frequency */
-	{  59000, 0x00dc88a3, 0xcccccccf, 0xfffffffc, 0xffffffff }, /*  59.0 MHz */
-	{  73700, 0x011490a3, 0xcccccccf, 0xfffffffc, 0xffffffff }, /*  73.7 MHz */
-	{  88500, 0x014e90a3, 0xcccccccf, 0xfffffffc, 0xffffffff }, /*  88.5 MHz */
-	{ 103200, 0x01889923, 0xcccccccf, 0xfffffffc, 0xffffffff }, /* 103.2 MHz */
-	{ 118000, 0x01c29923, 0x9999998f, 0xfffffff9, 0xffffffff }, /* 118.0 MHz */
-	{ 132700, 0x01fb2123, 0x9999998f, 0xfffffff9, 0xffffffff }, /* 132.7 MHz */
-	{ 147500, 0x02352123, 0x3333330f, 0xfffffff3, 0xffffffff }, /* 147.5 MHz */
-	{ 162200, 0x026b29a3, 0x38e38e1f, 0xfff8e38e, 0xffffffff }, /* 162.2 MHz */
-	{ 176900, 0x02a329a3, 0x71c71c1f, 0xfff1c71c, 0xffffffff }, /* 176.9 MHz */
-	{ 191700, 0x02dd31a3, 0xe38e383f, 0xffe38e38, 0xffffffff }, /* 191.7 MHz */
-	{ 206400, 0x03153223, 0xc71c703f, 0xffc71c71, 0xffffffff }, /* 206.4 MHz */
-	{ 221200, 0x034fba23, 0xc71c703f, 0xffc71c71, 0xffffffff }, /* 221.2 MHz */
-	{ 235900, 0x03853a23, 0xe1e1e07f, 0xe1e1e1e1, 0xffffffe1 }, /* 235.9 MHz */
-	{ 250700, 0x03bf3aa3, 0xc3c3c07f, 0xc3c3c3c3, 0xffffffc3 }, /* 250.7 MHz */
-	{ 265400, 0x03f7c2a3, 0xc3c3c07f, 0xc3c3c3c3, 0xffffffc3 }, /* 265.4 MHz */
-	{ 280200, 0x0431c2a3, 0x878780ff, 0x87878787, 0xffffff87 }, /* 280.2 MHz */
+static struct sa1100_dram_regs sa1100_dram_settings[] = {
+	/*speed,     mdcnfg,     mdcas0,     mdcas1,     mdcas2,   clock freq */
+	{ 59000, 0x00dc88a3, 0xcccccccf, 0xfffffffc, 0xffffffff},/*  59.0 MHz */
+	{ 73700, 0x011490a3, 0xcccccccf, 0xfffffffc, 0xffffffff},/*  73.7 MHz */
+	{ 88500, 0x014e90a3, 0xcccccccf, 0xfffffffc, 0xffffffff},/*  88.5 MHz */
+	{103200, 0x01889923, 0xcccccccf, 0xfffffffc, 0xffffffff},/* 103.2 MHz */
+	{118000, 0x01c29923, 0x9999998f, 0xfffffff9, 0xffffffff},/* 118.0 MHz */
+	{132700, 0x01fb2123, 0x9999998f, 0xfffffff9, 0xffffffff},/* 132.7 MHz */
+	{147500, 0x02352123, 0x3333330f, 0xfffffff3, 0xffffffff},/* 147.5 MHz */
+	{162200, 0x026b29a3, 0x38e38e1f, 0xfff8e38e, 0xffffffff},/* 162.2 MHz */
+	{176900, 0x02a329a3, 0x71c71c1f, 0xfff1c71c, 0xffffffff},/* 176.9 MHz */
+	{191700, 0x02dd31a3, 0xe38e383f, 0xffe38e38, 0xffffffff},/* 191.7 MHz */
+	{206400, 0x03153223, 0xc71c703f, 0xffc71c71, 0xffffffff},/* 206.4 MHz */
+	{221200, 0x034fba23, 0xc71c703f, 0xffc71c71, 0xffffffff},/* 221.2 MHz */
+	{235900, 0x03853a23, 0xe1e1e07f, 0xe1e1e1e1, 0xffffffe1},/* 235.9 MHz */
+	{250700, 0x03bf3aa3, 0xc3c3c07f, 0xc3c3c3c3, 0xffffffc3},/* 250.7 MHz */
+	{265400, 0x03f7c2a3, 0xc3c3c07f, 0xc3c3c3c3, 0xffffffc3},/* 265.4 MHz */
+	{280200, 0x0431c2a3, 0x878780ff, 0x87878787, 0xffffff87},/* 280.2 MHz */
 	{ 0, 0, 0, 0, 0 } /* last entry */
 };
 
 static void sa1100_update_dram_timings(int current_speed, int new_speed)
 {
-	sa1100_dram_regs_t *settings = sa1100_dram_settings;
+	struct sa1100_dram_regs *settings = sa1100_dram_settings;
 
 	/* find speed */
 	while (settings->speed != 0) {
-		if(new_speed == settings->speed)
+		if (new_speed == settings->speed)
 			break;
-		
+
 		settings++;
 	}
 
@@ -149,7 +148,7 @@ static void sa1100_update_dram_timings(int current_speed, int new_speed)
 		/* We're going FASTER, so first relax the memory
 		 * timings before changing the core frequency
 		 */
-		
+
 		/* Half the memory access clock */
 		MDCNFG |= MDCNFG_CDB2;
 
@@ -187,7 +186,7 @@ static int sa1100_target(struct cpufreq_policy *policy,
 	struct cpufreq_freqs freqs;
 
 	new_ppcr = sa11x0_freq_to_ppcr(target_freq);
-	switch(relation){
+	switch (relation) {
 	case CPUFREQ_RELATION_L:
 		if (sa11x0_ppcr_to_freq(new_ppcr) > policy->max)
 			new_ppcr--;
diff --git a/arch/arm/mach-sa1100/cpu-sa1110.c b/arch/arm/mach-sa1100/cpu-sa1110.c
index 7252874d328b..675bf8ef97e8 100644
--- a/arch/arm/mach-sa1100/cpu-sa1110.c
+++ b/arch/arm/mach-sa1100/cpu-sa1110.c
@@ -16,28 +16,24 @@
  *
  * The SDRAM type can be passed on the command line as cpu_sa1110.sdram=type
  */
-#include <linux/moduleparam.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/cpufreq.h>
 #include <linux/delay.h>
 #include <linux/init.h>
-#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
 
-#include <mach/hardware.h>
 #include <asm/cputype.h>
 #include <asm/mach-types.h>
-#include <asm/system.h>
+
+#include <mach/hardware.h>
 
 #include "generic.h"
 
 #undef DEBUG
 
-static struct cpufreq_driver sa1110_driver;
-
 struct sdram_params {
-	const char name[16];
+	const char name[20];
 	u_char  rows;		/* bits				 */
 	u_char  cas_latency;	/* cycles			 */
 	u_char  tck;		/* clock cycle time (ns)	 */
@@ -107,6 +103,15 @@ static struct sdram_params sdram_tbl[] __initdata = {
 		.twr		= 8,
 		.refresh	= 64000,
 		.cas_latency	= 3,
+	}, {	/* Micron MT48LC8M16A2TG-75 */
+		.name		= "MT48LC8M16A2TG-75",
+		.rows		= 12,
+		.tck		= 8,
+		.trcd		= 20,
+		.trp		= 20,
+		.twr		= 8,
+		.refresh	= 64000,
+		.cas_latency	= 3,
 	},
 };
 
@@ -180,11 +185,13 @@ sdram_calculate_timing(struct sdram_info *sd, u_int cpu_khz,
 		sd->mdrefr |= MDREFR_K1DB2;
 
 	/* initial number of '1's in MDCAS + 1 */
-	set_mdcas(sd->mdcas, sd_khz >= 62000, ns_to_cycles(sdram->trcd, mem_khz));
+	set_mdcas(sd->mdcas, sd_khz >= 62000,
+		ns_to_cycles(sdram->trcd, mem_khz));
 
 #ifdef DEBUG
-	printk("MDCNFG: %08x MDREFR: %08x MDCAS0: %08x MDCAS1: %08x MDCAS2: %08x\n",
-		sd->mdcnfg, sd->mdrefr, sd->mdcas[0], sd->mdcas[1], sd->mdcas[2]);
+	printk(KERN_DEBUG "MDCNFG: %08x MDREFR: %08x MDCAS0: %08x MDCAS1: %08x MDCAS2: %08x\n",
+		sd->mdcnfg, sd->mdrefr, sd->mdcas[0], sd->mdcas[1],
+		sd->mdcas[2]);
 #endif
 }
 
@@ -213,7 +220,7 @@ sdram_update_refresh(u_int cpu_khz, struct sdram_params *sdram)
 
 #ifdef DEBUG
 	mdelay(250);
-	printk("new dri value = %d\n", dri);
+	printk(KERN_DEBUG "new dri value = %d\n", dri);
 #endif
 
 	sdram_set_refresh(dri);
@@ -232,7 +239,7 @@ static int sa1110_target(struct cpufreq_policy *policy,
 	unsigned long flags;
 	unsigned int ppcr, unused;
 
-	switch(relation){
+	switch (relation) {
 	case CPUFREQ_RELATION_L:
 		ppcr = sa11x0_freq_to_ppcr(target_freq);
 		if (sa11x0_ppcr_to_freq(ppcr) > policy->max)
@@ -280,11 +287,10 @@ static int sa1110_target(struct cpufreq_policy *policy,
 	 * We wait 20ms to be safe.
 	 */
 	sdram_set_refresh(2);
-	if (!irqs_disabled()) {
+	if (!irqs_disabled())
 		msleep(20);
-	} else {
+	else
 		mdelay(20);
-	}
 
 	/*
 	 * Reprogram the DRAM timings with interrupts disabled, and
@@ -295,7 +301,7 @@ static int sa1110_target(struct cpufreq_policy *policy,
 	local_irq_save(flags);
 	asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
 	udelay(10);
-	__asm__ __volatile__("					\n\
+	__asm__ __volatile__("\n\
 		b	2f					\n\
 		.align	5					\n\
 1:		str	%3, [%1, #0]		@ MDCNFG	\n\
@@ -336,7 +342,9 @@ static int __init sa1110_cpu_init(struct cpufreq_policy *policy)
 	return 0;
 }
 
-static struct cpufreq_driver sa1110_driver = {
+/* sa1110_driver needs __refdata because it must remain after init registers
+ * it with cpufreq_register_driver() */
+static struct cpufreq_driver sa1110_driver __refdata = {
 	.flags		= CPUFREQ_STICKY,
 	.verify		= sa11x0_verify_speed,
 	.target		= sa1110_target,
@@ -349,7 +357,8 @@ static struct sdram_params *sa1110_find_sdram(const char *name)
 {
 	struct sdram_params *sdram;
 
-	for (sdram = sdram_tbl; sdram < sdram_tbl + ARRAY_SIZE(sdram_tbl); sdram++)
+	for (sdram = sdram_tbl; sdram < sdram_tbl + ARRAY_SIZE(sdram_tbl);
+	     sdram++)
 		if (strcmp(name, sdram->name) == 0)
 			return sdram;
 
@@ -369,14 +378,14 @@ static int __init sa1110_clk_init(void)
 	if (!name[0]) {
 		if (machine_is_assabet())
 			name = "TC59SM716-CL3";
-
 		if (machine_is_pt_system3())
 			name = "K4S641632D";
-
 		if (machine_is_h3100())
 			name = "KM416S4030CT";
 		if (machine_is_jornada720())
-		        name = "K4S281632B-1H";
+			name = "K4S281632B-1H";
+		if (machine_is_nanoengine())
+			name = "MT48LC8M16A2TG-75";
 	}
 
 	sdram = sa1110_find_sdram(name);
diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index 3c1fcd696714..59d14f0fdcf8 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -16,9 +16,7 @@
 #include <linux/pm.h>
 #include <linux/cpufreq.h>
 #include <linux/ioport.h>
-#include <linux/sched.h>	/* just for sched_clock() - funny that */
 #include <linux/platform_device.h>
-#include <linux/cnt32_to_63.h>
 
 #include <asm/div64.h>
 #include <mach/hardware.h>
@@ -110,27 +108,6 @@ unsigned int sa11x0_getspeed(unsigned int cpu)
 }
 
 /*
- * This is the SA11x0 sched_clock implementation.  This has
- * a resolution of 271ns, and a maximum value of 32025597s (370 days).
- *
- * The return value is guaranteed to be monotonic in that range as
- * long as there is always less than 582 seconds between successive
- * calls to this function.
- *
- *  ( * 1E9 / 3686400 => * 78125 / 288)
- */
-unsigned long long sched_clock(void)
-{
-	unsigned long long v = cnt32_to_63(OSCR);
-
-	/* the <<1 gets rid of the cnt_32_to_63 top bit saving on a bic insn */
-	v *= 78125<<1;
-	do_div(v, 288<<1);
-
-	return v;
-}
-
-/*
  * Default power-off for SA1100
  */
 static void sa1100_power_off(void)
@@ -163,10 +140,15 @@ static void sa11x0_register_device(struct platform_device *dev, void *data)
 
 static struct resource sa11x0udc_resources[] = {
 	[0] = {
-		.start	= 0x80000000,
-		.end	= 0x8000ffff,
+		.start	= __PREG(Ser0UDCCR),
+		.end	= __PREG(Ser0UDCCR) + 0xffff,
 		.flags	= IORESOURCE_MEM,
 	},
+	[1] = {
+		.start	= IRQ_Ser0UDC,
+		.end	= IRQ_Ser0UDC,
+		.flags	= IORESOURCE_IRQ,
+	},
 };
 
 static u64 sa11x0udc_dma_mask = 0xffffffffUL;
@@ -184,10 +166,15 @@ static struct platform_device sa11x0udc_device = {
 
 static struct resource sa11x0uart1_resources[] = {
 	[0] = {
-		.start	= 0x80010000,
-		.end	= 0x8001ffff,
+		.start	= __PREG(Ser1UTCR0),
+		.end	= __PREG(Ser1UTCR0) + 0xffff,
 		.flags	= IORESOURCE_MEM,
 	},
+	[1] = {
+		.start	= IRQ_Ser1UART,
+		.end	= IRQ_Ser1UART,
+		.flags	= IORESOURCE_IRQ,
+	},
 };
 
 static struct platform_device sa11x0uart1_device = {
@@ -199,10 +186,15 @@ static struct platform_device sa11x0uart1_device = {
 
 static struct resource sa11x0uart3_resources[] = {
 	[0] = {
-		.start	= 0x80050000,
-		.end	= 0x8005ffff,
+		.start	= __PREG(Ser3UTCR0),
+		.end	= __PREG(Ser3UTCR0) + 0xffff,
 		.flags	= IORESOURCE_MEM,
 	},
+	[1] = {
+		.start	= IRQ_Ser3UART,
+		.end	= IRQ_Ser3UART,
+		.flags	= IORESOURCE_IRQ,
+	},
 };
 
 static struct platform_device sa11x0uart3_device = {
@@ -214,10 +206,15 @@ static struct platform_device sa11x0uart3_device = {
 
 static struct resource sa11x0mcp_resources[] = {
 	[0] = {
-		.start	= 0x80060000,
-		.end	= 0x8006ffff,
+		.start	= __PREG(Ser4MCCR0),
+		.end	= __PREG(Ser4MCCR0) + 0xffff,
 		.flags	= IORESOURCE_MEM,
 	},
+	[1] = {
+		.start	= IRQ_Ser4MCP,
+		.end	= IRQ_Ser4MCP,
+		.flags	= IORESOURCE_IRQ,
+	},
 };
 
 static u64 sa11x0mcp_dma_mask = 0xffffffffUL;
@@ -244,6 +241,11 @@ static struct resource sa11x0ssp_resources[] = {
 		.end	= 0x8007ffff,
 		.flags	= IORESOURCE_MEM,
 	},
+	[1] = {
+		.start	= IRQ_Ser4SSP,
+		.end	= IRQ_Ser4SSP,
+		.flags	= IORESOURCE_IRQ,
+	},
 };
 
 static u64 sa11x0ssp_dma_mask = 0xffffffffUL;
diff --git a/arch/arm/mach-sa1100/include/mach/hardware.h b/arch/arm/mach-sa1100/include/mach/hardware.h
index 99f5856d8de4..967ae7684390 100644
--- a/arch/arm/mach-sa1100/include/mach/hardware.h
+++ b/arch/arm/mach-sa1100/include/mach/hardware.h
@@ -76,4 +76,12 @@ static inline unsigned long get_clock_tick_rate(void)
 #include "SA-1101.h"
 #endif
 
+#if defined(CONFIG_ARCH_SA1100) && defined(CONFIG_PCI)
+#define PCIBIOS_MIN_IO		0
+#define PCIBIOS_MIN_MEM		0
+#define pcibios_assign_all_busses()	1
+#define HAVE_ARCH_PCI_SET_DMA_MASK	1
+#endif
+
+
 #endif  /* _ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-sa1100/include/mach/nanoengine.h b/arch/arm/mach-sa1100/include/mach/nanoengine.h
new file mode 100644
index 000000000000..14f8382d0665
--- /dev/null
+++ b/arch/arm/mach-sa1100/include/mach/nanoengine.h
@@ -0,0 +1,52 @@
+/*
+ * arch/arm/mach-sa1100/include/mach/nanoengine.h
+ *
+ * This file contains the hardware specific definitions for nanoEngine.
+ * Only include this file from SA1100-specific files.
+ *
+ * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
+ *
+ * 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.
+ *
+ */
+#ifndef __ASM_ARCH_NANOENGINE_H
+#define __ASM_ARCH_NANOENGINE_H
+
+#include <mach/irqs.h>
+
+#define GPIO_PC_READY0	GPIO_GPIO(11) /* ready for socket 0 (active high)*/
+#define GPIO_PC_READY1	GPIO_GPIO(12) /* ready for socket 1 (active high) */
+#define GPIO_PC_CD0	GPIO_GPIO(13) /* detect for socket 0 (active low) */
+#define GPIO_PC_CD1	GPIO_GPIO(14) /* detect for socket 1 (active low) */
+#define GPIO_PC_RESET0	GPIO_GPIO(15) /* reset socket 0 */
+#define GPIO_PC_RESET1	GPIO_GPIO(16) /* reset socket 1 */
+
+#define NANOENGINE_IRQ_GPIO_PCI		IRQ_GPIO0
+#define NANOENGINE_IRQ_GPIO_PC_READY0	IRQ_GPIO11
+#define NANOENGINE_IRQ_GPIO_PC_READY1	IRQ_GPIO12
+#define NANOENGINE_IRQ_GPIO_PC_CD0	IRQ_GPIO13
+#define NANOENGINE_IRQ_GPIO_PC_CD1	IRQ_GPIO14
+
+/*
+ * nanoEngine Memory Map:
+ *
+ * 0000.0000 - 003F.0000 -   4 MB Flash
+ * C000.0000 - C1FF.FFFF -  32 MB SDRAM
+ * 1860.0000 - 186F.FFFF -   1 MB Internal PCI Memory Read/Write
+ * 18A1.0000 - 18A1.FFFF -  64 KB Internal PCI Config Space
+ * 4000.0000 - 47FF.FFFF - 128 MB External Bus I/O - Multiplexed Mode
+ * 4800.0000 - 4FFF.FFFF - 128 MB External Bus I/O - Non-Multiplexed Mode
+ *
+ */
+
+#define NANO_PCI_MEM_RW_PHYS		0x18600000
+#define NANO_PCI_MEM_RW_VIRT		0xf1000000
+#define NANO_PCI_MEM_RW_SIZE		SZ_1M
+#define NANO_PCI_CONFIG_SPACE_PHYS	0x18A10000
+#define NANO_PCI_CONFIG_SPACE_VIRT	0xf2000000
+#define NANO_PCI_CONFIG_SPACE_SIZE	SZ_64K
+
+#endif
+
diff --git a/arch/arm/mach-sa1100/nanoengine.c b/arch/arm/mach-sa1100/nanoengine.c
new file mode 100644
index 000000000000..72087f0658b7
--- /dev/null
+++ b/arch/arm/mach-sa1100/nanoengine.c
@@ -0,0 +1,119 @@
+/*
+ * linux/arch/arm/mach-sa1100/nanoengine.c
+ *
+ * Bright Star Engineering's nanoEngine board init code.
+ *
+ * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
+ *
+ * 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/init.h>
+#include <linux/kernel.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/root_dev.h>
+
+#include <asm/mach-types.h>
+#include <asm/setup.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/map.h>
+#include <asm/mach/serial_sa1100.h>
+
+#include <mach/hardware.h>
+#include <mach/nanoengine.h>
+
+#include "generic.h"
+
+/* Flash bank 0 */
+static struct mtd_partition nanoengine_partitions[] = {
+	{
+		.name	= "nanoEngine boot firmware and parameter table",
+		.size		= 0x00010000,  /* 32K */
+		.offset		= 0,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "kernel/initrd reserved",
+		.size		= 0x002f0000,
+		.offset		= 0x00010000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "experimental filesystem allocation",
+		.size		= 0x00100000,
+		.offset		= 0x00300000,
+		.mask_flags	= MTD_WRITEABLE,
+	}
+};
+
+static struct flash_platform_data nanoengine_flash_data = {
+	.map_name	= "jedec_probe",
+	.parts		= nanoengine_partitions,
+	.nr_parts	= ARRAY_SIZE(nanoengine_partitions),
+};
+
+static struct resource nanoengine_flash_resources[] = {
+	{
+		.start	= SA1100_CS0_PHYS,
+		.end	= SA1100_CS0_PHYS + SZ_32M - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= SA1100_CS1_PHYS,
+		.end	= SA1100_CS1_PHYS + SZ_32M - 1,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct map_desc nanoengine_io_desc[] __initdata = {
+	{
+		/* System Registers */
+		.virtual	= 0xf0000000,
+		.pfn		= __phys_to_pfn(0x10000000),
+		.length		= 0x00100000,
+		.type		= MT_DEVICE
+	}, {
+		/* Internal PCI Memory Read/Write */
+		.virtual	= NANO_PCI_MEM_RW_VIRT,
+		.pfn		= __phys_to_pfn(NANO_PCI_MEM_RW_PHYS),
+		.length		= NANO_PCI_MEM_RW_SIZE,
+		.type		= MT_DEVICE
+	}, {
+		/* Internal PCI Config Space */
+		.virtual	= NANO_PCI_CONFIG_SPACE_VIRT,
+		.pfn		= __phys_to_pfn(NANO_PCI_CONFIG_SPACE_PHYS),
+		.length		= NANO_PCI_CONFIG_SPACE_SIZE,
+		.type		= MT_DEVICE
+	}
+};
+
+static void __init nanoengine_map_io(void)
+{
+	sa1100_map_io();
+	iotable_init(nanoengine_io_desc, ARRAY_SIZE(nanoengine_io_desc));
+
+	sa1100_register_uart(0, 1);
+	sa1100_register_uart(1, 2);
+	sa1100_register_uart(2, 3);
+	Ser1SDCR0 |= SDCR0_UART;
+	/* disable IRDA -- UART2 is used as a normal serial port */
+	Ser2UTCR4 = 0;
+	Ser2HSCR0 = 0;
+}
+
+static void __init nanoengine_init(void)
+{
+	sa11x0_register_mtd(&nanoengine_flash_data, nanoengine_flash_resources,
+		ARRAY_SIZE(nanoengine_flash_resources));
+}
+
+MACHINE_START(NANOENGINE, "BSE nanoEngine")
+	.boot_params	= 0xc0000000,
+	.map_io		= nanoengine_map_io,
+	.init_irq	= sa1100_init_irq,
+	.timer		= &sa1100_timer,
+	.init_machine	= nanoengine_init,
+MACHINE_END
diff --git a/arch/arm/mach-sa1100/pci-nanoengine.c b/arch/arm/mach-sa1100/pci-nanoengine.c
new file mode 100644
index 000000000000..fba7a913f12b
--- /dev/null
+++ b/arch/arm/mach-sa1100/pci-nanoengine.c
@@ -0,0 +1,284 @@
+/*
+ * linux/arch/arm/mach-sa1100/pci-nanoengine.c
+ *
+ * PCI functions for BSE nanoEngine PCI
+ *
+ * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
+ *
+ * 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/irq.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+
+#include <asm/mach/pci.h>
+#include <asm/mach-types.h>
+
+#include <mach/nanoengine.h>
+
+static DEFINE_SPINLOCK(nano_lock);
+
+static int nanoengine_get_pci_address(struct pci_bus *bus,
+	unsigned int devfn, int where, unsigned long *address)
+{
+	int ret = PCIBIOS_DEVICE_NOT_FOUND;
+	unsigned int busnr = bus->number;
+
+	*address = NANO_PCI_CONFIG_SPACE_VIRT +
+		((bus->number << 16) | (devfn << 8) | (where & ~3));
+
+	ret = (busnr > 255 || devfn > 255 || where > 255) ?
+		PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
+
+	return ret;
+}
+
+static int nanoengine_read_config(struct pci_bus *bus, unsigned int devfn, int where,
+	int size, u32 *val)
+{
+	int ret;
+	unsigned long address;
+	unsigned long flags;
+	u32 v;
+
+	/* nanoEngine PCI bridge does not return -1 for a non-existing
+	 * device. We must fake the answer. We know that the only valid
+	 * device is device zero at bus 0, which is the network chip. */
+	if (bus->number != 0 || (devfn >> 3) != 0) {
+		v = -1;
+		nanoengine_get_pci_address(bus, devfn, where, &address);
+		goto exit_function;
+	}
+
+	spin_lock_irqsave(&nano_lock, flags);
+
+	ret = nanoengine_get_pci_address(bus, devfn, where, &address);
+	if (ret != PCIBIOS_SUCCESSFUL)
+		return ret;
+	v = __raw_readl(address);
+
+	spin_unlock_irqrestore(&nano_lock, flags);
+
+	v >>= ((where & 3) * 8);
+	v &= (unsigned long)(-1) >> ((4 - size) * 8);
+
+exit_function:
+	*val = v;
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int nanoengine_write_config(struct pci_bus *bus, unsigned int devfn, int where,
+	int size, u32 val)
+{
+	int ret;
+	unsigned long address;
+	unsigned long flags;
+	unsigned shift;
+	u32 v;
+
+	shift = (where & 3) * 8;
+
+	spin_lock_irqsave(&nano_lock, flags);
+
+	ret = nanoengine_get_pci_address(bus, devfn, where, &address);
+	if (ret != PCIBIOS_SUCCESSFUL)
+		return ret;
+	v = __raw_readl(address);
+	switch (size) {
+	case 1:
+		v &= ~(0xFF << shift);
+		v |= val << shift;
+		break;
+	case 2:
+		v &= ~(0xFFFF << shift);
+		v |= val << shift;
+		break;
+	case 4:
+		v = val;
+		break;
+	}
+	__raw_writel(v, address);
+
+	spin_unlock_irqrestore(&nano_lock, flags);
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static struct pci_ops pci_nano_ops = {
+	.read	= nanoengine_read_config,
+	.write	= nanoengine_write_config,
+};
+
+static int __init pci_nanoengine_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	return NANOENGINE_IRQ_GPIO_PCI;
+}
+
+struct pci_bus * __init pci_nanoengine_scan_bus(int nr, struct pci_sys_data *sys)
+{
+	return pci_scan_bus(sys->busnr, &pci_nano_ops, sys);
+}
+
+static struct resource pci_io_ports = {
+	.name	= "PCI IO",
+	.start	= 0x400,
+	.end	= 0x7FF,
+	.flags	= IORESOURCE_IO,
+};
+
+static struct resource pci_non_prefetchable_memory = {
+	.name	= "PCI non-prefetchable",
+	.start	= NANO_PCI_MEM_RW_PHYS,
+	/* nanoEngine documentation says there is a 1 Megabyte window here,
+	 * but PCI reports just 128 + 8 kbytes. */
+	.end	= NANO_PCI_MEM_RW_PHYS + NANO_PCI_MEM_RW_SIZE - 1,
+/*	.end	= NANO_PCI_MEM_RW_PHYS + SZ_128K + SZ_8K - 1,*/
+	.flags	= IORESOURCE_MEM,
+};
+
+/*
+ * nanoEngine PCI reports 1 Megabyte of prefetchable memory, but it
+ * overlaps with previously defined memory.
+ *
+ * Here is what happens:
+ *
+# dmesg
+...
+pci 0000:00:00.0: [8086:1209] type 0 class 0x000200
+pci 0000:00:00.0: reg 10: [mem 0x00021000-0x00021fff]
+pci 0000:00:00.0: reg 14: [io  0x0000-0x003f]
+pci 0000:00:00.0: reg 18: [mem 0x00000000-0x0001ffff]
+pci 0000:00:00.0: reg 30: [mem 0x00000000-0x000fffff pref]
+pci 0000:00:00.0: supports D1 D2
+pci 0000:00:00.0: PME# supported from D0 D1 D2 D3hot
+pci 0000:00:00.0: PME# disabled
+PCI: bus0: Fast back to back transfers enabled
+pci 0000:00:00.0: BAR 6: can't assign mem pref (size 0x100000)
+pci 0000:00:00.0: BAR 2: assigned [mem 0x18600000-0x1861ffff]
+pci 0000:00:00.0: BAR 2: set to [mem 0x18600000-0x1861ffff] (PCI address [0x0-0x1ffff])
+pci 0000:00:00.0: BAR 0: assigned [mem 0x18620000-0x18620fff]
+pci 0000:00:00.0: BAR 0: set to [mem 0x18620000-0x18620fff] (PCI address [0x20000-0x20fff])
+pci 0000:00:00.0: BAR 1: assigned [io  0x0400-0x043f]
+pci 0000:00:00.0: BAR 1: set to [io  0x0400-0x043f] (PCI address [0x0-0x3f])
+ *
+ * On the other hand, if we do not request the prefetchable memory resource,
+ * linux will alloc it first and the two non-prefetchable memory areas that
+ * are our real interest will not be mapped. So we choose to map it to an
+ * unused area. It gets recognized as expansion ROM, but becomes disabled.
+ *
+ * Here is what happens then:
+ *
+# dmesg
+...
+pci 0000:00:00.0: [8086:1209] type 0 class 0x000200
+pci 0000:00:00.0: reg 10: [mem 0x00021000-0x00021fff]
+pci 0000:00:00.0: reg 14: [io  0x0000-0x003f]
+pci 0000:00:00.0: reg 18: [mem 0x00000000-0x0001ffff]
+pci 0000:00:00.0: reg 30: [mem 0x00000000-0x000fffff pref]
+pci 0000:00:00.0: supports D1 D2
+pci 0000:00:00.0: PME# supported from D0 D1 D2 D3hot
+pci 0000:00:00.0: PME# disabled
+PCI: bus0: Fast back to back transfers enabled
+pci 0000:00:00.0: BAR 6: assigned [mem 0x78000000-0x780fffff pref]
+pci 0000:00:00.0: BAR 2: assigned [mem 0x18600000-0x1861ffff]
+pci 0000:00:00.0: BAR 2: set to [mem 0x18600000-0x1861ffff] (PCI address [0x0-0x1ffff])
+pci 0000:00:00.0: BAR 0: assigned [mem 0x18620000-0x18620fff]
+pci 0000:00:00.0: BAR 0: set to [mem 0x18620000-0x18620fff] (PCI address [0x20000-0x20fff])
+pci 0000:00:00.0: BAR 1: assigned [io  0x0400-0x043f]
+pci 0000:00:00.0: BAR 1: set to [io  0x0400-0x043f] (PCI address [0x0-0x3f])
+
+# lspci -vv -s 0000:00:00.0
+00:00.0 Class 0200: Device 8086:1209 (rev 09)
+        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx-
+        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR+ <PERR+ INTx-
+        Latency: 0 (2000ns min, 14000ns max), Cache Line Size: 32 bytes
+        Interrupt: pin A routed to IRQ 0
+        Region 0: Memory at 18620000 (32-bit, non-prefetchable) [size=4K]
+        Region 1: I/O ports at 0400 [size=64]
+        Region 2: [virtual] Memory at 18600000 (32-bit, non-prefetchable) [size=128K]
+        [virtual] Expansion ROM at 78000000 [disabled] [size=1M]
+        Capabilities: [dc] Power Management version 2
+                Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold-)
+                Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=2 PME-
+        Kernel driver in use: e100
+        Kernel modules: e100
+ *
+ */
+static struct resource pci_prefetchable_memory = {
+	.name	= "PCI prefetchable",
+	.start	= 0x78000000,
+	.end	= 0x78000000 + NANO_PCI_MEM_RW_SIZE - 1,
+	.flags	= IORESOURCE_MEM  | IORESOURCE_PREFETCH,
+};
+
+static int __init pci_nanoengine_setup_resources(struct resource **resource)
+{
+	if (request_resource(&ioport_resource, &pci_io_ports)) {
+		printk(KERN_ERR "PCI: unable to allocate io port region\n");
+		return -EBUSY;
+	}
+	if (request_resource(&iomem_resource, &pci_non_prefetchable_memory)) {
+		release_resource(&pci_io_ports);
+		printk(KERN_ERR "PCI: unable to allocate non prefetchable\n");
+		return -EBUSY;
+	}
+	if (request_resource(&iomem_resource, &pci_prefetchable_memory)) {
+		release_resource(&pci_io_ports);
+		release_resource(&pci_non_prefetchable_memory);
+		printk(KERN_ERR "PCI: unable to allocate prefetchable\n");
+		return -EBUSY;
+	}
+	resource[0] = &pci_io_ports;
+	resource[1] = &pci_non_prefetchable_memory;
+	resource[2] = &pci_prefetchable_memory;
+
+	return 1;
+}
+
+int __init pci_nanoengine_setup(int nr, struct pci_sys_data *sys)
+{
+	int ret = 0;
+
+	if (nr == 0) {
+		sys->mem_offset = NANO_PCI_MEM_RW_PHYS;
+		sys->io_offset = 0x400;
+		ret = pci_nanoengine_setup_resources(sys->resource);
+		/* Enable alternate memory bus master mode, see
+		 * "Intel StrongARM SA1110 Developer's Manual",
+		 * section 10.8, "Alternate Memory Bus Master Mode". */
+		GPDR = (GPDR & ~GPIO_MBREQ) | GPIO_MBGNT;
+		GAFR |= GPIO_MBGNT | GPIO_MBREQ;
+		TUCR |= TUCR_MBGPIO;
+	}
+
+	return ret;
+}
+
+static struct hw_pci nanoengine_pci __initdata = {
+	.map_irq		= pci_nanoengine_map_irq,
+	.nr_controllers		= 1,
+	.scan			= pci_nanoengine_scan_bus,
+	.setup			= pci_nanoengine_setup,
+};
+
+static int __init nanoengine_pci_init(void)
+{
+	if (machine_is_nanoengine())
+		pci_common_init(&nanoengine_pci);
+	return 0;
+}
+
+subsys_initcall(nanoengine_pci_init);
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
index 27692d0ffbe8..cfb76077bd25 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -166,9 +166,6 @@ static void __init simpad_map_io(void)
 	PCFR = 0;
 	PSDR = 0;
 
-	sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources,
-			      ARRAY_SIZE(simpad_flash_resources));
-	sa11x0_register_mcp(&simpad_mcp_data);
 }
 
 static void simpad_power_off(void)
@@ -216,6 +213,10 @@ static int __init simpad_init(void)
 
 	pm_power_off = simpad_power_off;
 
+	sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources,
+			      ARRAY_SIZE(simpad_flash_resources));
+	sa11x0_register_mcp(&simpad_mcp_data);
+
 	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 	if(ret)
 		printk(KERN_WARNING "simpad: Unable to register mq200 framebuffer device");
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index 74b6e0e570b6..ae4f3d80416f 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -12,12 +12,39 @@
 #include <linux/errno.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/sched.h>	/* just for sched_clock() - funny that */
 #include <linux/timex.h>
 #include <linux/clockchips.h>
 
 #include <asm/mach/time.h>
+#include <asm/sched_clock.h>
 #include <mach/hardware.h>
 
+/*
+ * This is the SA11x0 sched_clock implementation.
+ */
+static DEFINE_CLOCK_DATA(cd);
+
+/*
+ * Constants generated by clocks_calc_mult_shift(m, s, 3.6864MHz,
+ * NSEC_PER_SEC, 60).
+ * This gives a resolution of about 271ns and a wrap period of about 19min.
+ */
+#define SC_MULT		2275555556u
+#define SC_SHIFT	23
+
+unsigned long long notrace sched_clock(void)
+{
+	u32 cyc = OSCR;
+	return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT);
+}
+
+static void notrace sa1100_update_sched_clock(void)
+{
+	u32 cyc = OSCR;
+	update_sched_clock(&cd, cyc, (u32)~0);
+}
+
 #define MIN_OSCR_DELTA 2
 
 static irqreturn_t sa1100_ost0_interrupt(int irq, void *dev_id)
@@ -81,7 +108,6 @@ static struct clocksource cksrc_sa1100_oscr = {
 	.rating		= 200,
 	.read		= sa1100_read_oscr,
 	.mask		= CLOCKSOURCE_MASK(32),
-	.shift		= 20,
 	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
@@ -97,6 +123,9 @@ static void __init sa1100_timer_init(void)
 	OIER = 0;		/* disable any timer interrupts */
 	OSSR = 0xf;		/* clear status on all timers */
 
+	init_fixed_sched_clock(&cd, sa1100_update_sched_clock, 32,
+			       3686400, SC_MULT, SC_SHIFT);
+
 	ckevt_sa1100_osmr0.mult =
 		div_sc(3686400, NSEC_PER_SEC, ckevt_sa1100_osmr0.shift);
 	ckevt_sa1100_osmr0.max_delta_ns =
@@ -105,12 +134,9 @@ static void __init sa1100_timer_init(void)
 		clockevent_delta2ns(MIN_OSCR_DELTA * 2, &ckevt_sa1100_osmr0) + 1;
 	ckevt_sa1100_osmr0.cpumask = cpumask_of(0);
 
-	cksrc_sa1100_oscr.mult =
-		clocksource_hz2mult(CLOCK_TICK_RATE, cksrc_sa1100_oscr.shift);
-
 	setup_irq(IRQ_OST0, &sa1100_timer_irq);
 
-	clocksource_register(&cksrc_sa1100_oscr);
+	clocksource_register_hz(&cksrc_sa1100_oscr, CLOCK_TICK_RATE);
 	clockevents_register_device(&ckevt_sa1100_osmr0);
 }