Merge branch 'mx51-baseport-sascha' of git://kernel.ubuntu.com/amitk/mx51-upstream into mxc-master

MAINTAINERS

@@ -663,6 +663,12 @@ T:	git://git.pengutronix.de/git/imx/linux-2.6.git
 F:	arch/arm/mach-mx*/
 F:	arch/arm/plat-mxc/
 
+ARM/FREESCALE IMX51
+M:	Amit Kucheria <amit.kucheria@canonical.com>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:	Maintained
+F:	arch/arm/mach-mx5/
+
 ARM/GLOMATION GESBC9312SX MACHINE SUPPORT
 M:	Lennert Buytenhek <kernel@wantstofly.org>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)

arch/arm/Makefile

@@ -146,6 +146,7 @@ machine-$(CONFIG_ARCH_MX1)		:= mx1
 machine-$(CONFIG_ARCH_MX2)		:= mx2
 machine-$(CONFIG_ARCH_MX25)		:= mx25
 machine-$(CONFIG_ARCH_MX3)		:= mx3
+machine-$(CONFIG_ARCH_MX5)		:= mx5
 machine-$(CONFIG_ARCH_NETX)		:= netx
 machine-$(CONFIG_ARCH_NOMADIK)		:= nomadik
 machine-$(CONFIG_ARCH_NS9XXX)		:= ns9xxx

arch/arm/mach-mx5/Kconfig

+if ARCH_MX5
+
+config ARCH_MX51
+	bool
+	default y
+	select MXC_TZIC
+	select ARCH_MXC_IOMUX_V3
+
+comment "MX5 platforms:"
+
+config MACH_MX51_BABBAGE
+	bool "Support MX51 BABBAGE platforms"
+	help
+	  Include support for MX51 Babbage platform, also known as MX51EVK in
+	  u-boot. This includes specific configurations for the board and its
+	  peripherals.
+
+endif

arch/arm/mach-mx5/Makefile

+#
+# Makefile for the linux kernel.
+#
+
+# Object file lists.
+obj-y   := cpu.o mm.o clock-mx51.o devices.o
+
+obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
+

arch/arm/mach-mx5/Makefile.boot

+   zreladdr-y	:= 0x90008000
+params_phys-y	:= 0x90000100
+initrd_phys-y	:= 0x90800000

arch/arm/mach-mx5/board-mx51_babbage.c

+/*
+ * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux-mx51.h>
+
+#include <asm/irq.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include "devices.h"
+
+static struct platform_device *devices[] __initdata = {
+	&mxc_fec_device,
+};
+
+static struct pad_desc mx51babbage_pads[] = {
+	/* UART1 */
+	MX51_PAD_UART1_RXD__UART1_RXD,
+	MX51_PAD_UART1_TXD__UART1_TXD,
+	MX51_PAD_UART1_RTS__UART1_RTS,
+	MX51_PAD_UART1_CTS__UART1_CTS,
+
+	/* UART2 */
+	MX51_PAD_UART2_RXD__UART2_RXD,
+	MX51_PAD_UART2_TXD__UART2_TXD,
+
+	/* UART3 */
+	MX51_PAD_EIM_D25__UART3_RXD,
+	MX51_PAD_EIM_D26__UART3_TXD,
+	MX51_PAD_EIM_D27__UART3_RTS,
+	MX51_PAD_EIM_D24__UART3_CTS,
+};
+
+/* Serial ports */
+#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
+static struct imxuart_platform_data uart_pdata = {
+	.flags = IMXUART_HAVE_RTSCTS,
+};
+
+static inline void mxc_init_imx_uart(void)
+{
+	mxc_register_device(&mxc_uart_device0, &uart_pdata);
+	mxc_register_device(&mxc_uart_device1, &uart_pdata);
+	mxc_register_device(&mxc_uart_device2, &uart_pdata);
+}
+#else /* !SERIAL_IMX */
+static inline void mxc_init_imx_uart(void)
+{
+}
+#endif /* SERIAL_IMX */
+
+/*
+ * Board specific initialization.
+ */
+static void __init mxc_board_init(void)
+{
+	mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
+					ARRAY_SIZE(mx51babbage_pads));
+	mxc_init_imx_uart();
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+static void __init mx51_babbage_timer_init(void)
+{
+	mx51_clocks_init(32768, 24000000, 22579200, 24576000);
+}
+
+static struct sys_timer mxc_timer = {
+	.init	= mx51_babbage_timer_init,
+};
+
+MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board")
+	/* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */
+	.phys_io = MX51_AIPS1_BASE_ADDR,
+	.io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params = PHYS_OFFSET + 0x100,
+	.map_io = mx51_map_io,
+	.init_irq = mx51_init_irq,
+	.init_machine = mxc_board_init,
+	.timer = &mxc_timer,
+MACHINE_END

arch/arm/mach-mx5/cpu.c

+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * This file contains the CPU initialization code.
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <mach/hardware.h>
+#include <asm/io.h>
+
+static int __init post_cpu_init(void)
+{
+	unsigned int reg;
+	void __iomem *base;
+
+	if (!cpu_is_mx51())
+		return 0;
+
+	base = MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR);
+	__raw_writel(0x0, base + 0x40);
+	__raw_writel(0x0, base + 0x44);
+	__raw_writel(0x0, base + 0x48);
+	__raw_writel(0x0, base + 0x4C);
+	reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
+	__raw_writel(reg, base + 0x50);
+
+	base = MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR);
+	__raw_writel(0x0, base + 0x40);
+	__raw_writel(0x0, base + 0x44);
+	__raw_writel(0x0, base + 0x48);
+	__raw_writel(0x0, base + 0x4C);
+	reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
+	__raw_writel(reg, base + 0x50);
+
+	return 0;
+}
+
+postcore_initcall(post_cpu_init);

arch/arm/mach-mx5/devices.c

+/*
+ * Copyright 2009 Amit Kucheria <amit.kucheria@canonical.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/platform_device.h>
+#include <mach/hardware.h>
+#include <mach/imx-uart.h>
+
+static struct resource uart0[] = {
+	{
+		.start = MX51_UART1_BASE_ADDR,
+		.end = MX51_UART1_BASE_ADDR + 0xfff,
+		.flags = IORESOURCE_MEM,
+	}, {
+		.start = MX51_MXC_INT_UART1,
+		.end = MX51_MXC_INT_UART1,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_uart_device0 = {
+	.name = "imx-uart",
+	.id = 0,
+	.resource = uart0,
+	.num_resources = ARRAY_SIZE(uart0),
+};
+
+static struct resource uart1[] = {
+	{
+		.start = MX51_UART2_BASE_ADDR,
+		.end = MX51_UART2_BASE_ADDR + 0xfff,
+		.flags = IORESOURCE_MEM,
+	}, {
+		.start = MX51_MXC_INT_UART2,
+		.end = MX51_MXC_INT_UART2,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_uart_device1 = {
+	.name = "imx-uart",
+	.id = 1,
+	.resource = uart1,
+	.num_resources = ARRAY_SIZE(uart1),
+};
+
+static struct resource uart2[] = {
+	{
+		.start = MX51_UART3_BASE_ADDR,
+		.end = MX51_UART3_BASE_ADDR + 0xfff,
+		.flags = IORESOURCE_MEM,
+	}, {
+		.start = MX51_MXC_INT_UART3,
+		.end = MX51_MXC_INT_UART3,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_uart_device2 = {
+	.name = "imx-uart",
+	.id = 2,
+	.resource = uart2,
+	.num_resources = ARRAY_SIZE(uart2),
+};
+
+static struct resource mxc_fec_resources[] = {
+	{
+		.start	= MX51_MXC_FEC_BASE_ADDR,
+		.end	= MX51_MXC_FEC_BASE_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= MX51_MXC_INT_FEC,
+		.end	= MX51_MXC_INT_FEC,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_fec_device = {
+	.name = "fec",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(mxc_fec_resources),
+	.resource = mxc_fec_resources,
+};
+
+/* Dummy definition to allow compiling in AVIC and TZIC simultaneously */
+int __init mxc_register_gpios(void)
+{
+	return 0;
+}

arch/arm/mach-mx5/devices.h

+extern struct platform_device mxc_uart_device0;
+extern struct platform_device mxc_uart_device1;
+extern struct platform_device mxc_uart_device2;
+extern struct platform_device mxc_fec_device;

arch/arm/mach-mx5/mm.c

+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License.  You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Create static mapping between physical to virtual memory.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-v3.h>
+
+/*
+ * Define the MX51 memory map.
+ */
+static struct map_desc mxc_io_desc[] __initdata = {
+	{
+		.virtual = MX51_IRAM_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_IRAM_BASE_ADDR),
+		.length = MX51_IRAM_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_DEBUG_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_DEBUG_BASE_ADDR),
+		.length = MX51_DEBUG_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_TZIC_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_TZIC_BASE_ADDR),
+		.length = MX51_TZIC_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_AIPS1_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_AIPS1_BASE_ADDR),
+		.length = MX51_AIPS1_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_SPBA0_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_SPBA0_BASE_ADDR),
+		.length = MX51_SPBA0_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_AIPS2_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_AIPS2_BASE_ADDR),
+		.length = MX51_AIPS2_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_NFC_AXI_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_NFC_AXI_BASE_ADDR),
+		.length = MX51_NFC_AXI_SIZE,
+		.type = MT_DEVICE
+	},
+};
+
+/*
+ * This function initializes the memory map. It is called during the
+ * system startup to create static physical to virtual memory mappings
+ * for the IO modules.
+ */
+void __init mx51_map_io(void)
+{
+	u32 tzic_addr;
+
+	if (mx51_revision() < MX51_CHIP_REV_2_0)
+		tzic_addr = 0x8FFFC000;
+	else
+		tzic_addr = 0xE0003000;
+	mxc_io_desc[2].pfn =  __phys_to_pfn(tzic_addr);
+
+	mxc_set_cpu_type(MXC_CPU_MX51);
+	mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
+	mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG_BASE_ADDR));
+	iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
+}
+
+void __init mx51_init_irq(void)
+{
+	tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR));
+}

arch/arm/plat-mxc/Kconfig

@@ -41,6 +41,13 @@ config ARCH_MXC91231
 	help
 	  This enables support for systems based on the Freescale MXC91231 family
 
+config ARCH_MX5
+	bool "MX5-based"
+	select CPU_V7
+	select COMMON_CLKDEV
+	help
+	  This enables support for systems based on the Freescale i.MX51 family
+
 endchoice
 
 source "arch/arm/mach-mx1/Kconfig"
@@ -48,6 +55,7 @@ source "arch/arm/mach-mx2/Kconfig"
 source "arch/arm/mach-mx3/Kconfig"
 source "arch/arm/mach-mx25/Kconfig"
 source "arch/arm/mach-mxc91231/Kconfig"
+source "arch/arm/mach-mx5/Kconfig"
 
 endmenu
 
@@ -62,6 +70,14 @@ config MXC_IRQ_PRIOR
 	  requirements for timing.
 	  Say N here, unless you have a specialized requirement.
 
+config MXC_TZIC
+	bool "Enable TrustZone Interrupt Controller"
+	depends on ARCH_MX51
+	help
+	  This will be automatically selected for all processors
+	  containing this interrupt controller.
+	  Say N here only if you are really sure.
+
 config MXC_PWM
 	tristate "Enable PWM driver"
 	depends on ARCH_MXC

arch/arm/plat-mxc/Makefile

@@ -5,6 +5,9 @@
 # Common support
 obj-y := irq.o clock.o gpio.o time.o devices.o cpu.o system.o
 
+# MX51 uses the TZIC interrupt controller, older platforms use AVIC (irq.o)
+obj-$(CONFIG_MXC_TZIC) += tzic.o
+
 obj-$(CONFIG_ARCH_MX1) += iomux-mx1-mx2.o dma-mx1-mx2.o
 obj-$(CONFIG_ARCH_MX2) += iomux-mx1-mx2.o dma-mx1-mx2.o
 CFLAGS_iomux-mx1-mx2.o = -DIMX_NEEDS_DEPRECATED_SYMBOLS

arch/arm/plat-mxc/include/mach/common.h

@@ -20,14 +20,17 @@ extern void mx25_map_io(void);
 extern void mx27_map_io(void);
 extern void mx31_map_io(void);
 extern void mx35_map_io(void);
+extern void mx51_map_io(void);
 extern void mxc91231_map_io(void);
 extern void mxc_init_irq(void __iomem *);
+extern void tzic_init_irq(void __iomem *);
 extern void mx1_init_irq(void);
 extern void mx21_init_irq(void);
 extern void mx25_init_irq(void);
 extern void mx27_init_irq(void);
 extern void mx31_init_irq(void);
 extern void mx35_init_irq(void);
+extern void mx51_init_irq(void);
 extern void mxc91231_init_irq(void);
 extern void mxc_timer_init(struct clk *timer_clk, void __iomem *, int);
 extern int mx1_clocks_init(unsigned long fref);
@@ -36,6 +39,8 @@ extern int mx25_clocks_init(void);
 extern int mx27_clocks_init(unsigned long fref);
 extern int mx31_clocks_init(unsigned long fref);
 extern int mx35_clocks_init(void);
+extern int mx51_clocks_init(unsigned long ckil, unsigned long osc,
+			unsigned long ckih1, unsigned long ckih2);
 extern int mxc91231_clocks_init(unsigned long fref);
 extern int mxc_register_gpios(void);
 extern int mxc_register_device(struct platform_device *pdev, void *data);

arch/arm/plat-mxc/include/mach/debug-macro.S

@@ -45,6 +45,15 @@
 #define UART_VADDR	AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
 #endif
 
+#ifdef CONFIG_ARCH_MX5
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#include <mach/mx51.h>
+#define UART_PADDR	MX51_UART1_BASE_ADDR
+#define UART_VADDR	MX51_AIPS1_IO_ADDRESS(MX51_UART1_BASE_ADDR)
+#endif
+
 #ifdef CONFIG_ARCH_MXC91231
 #ifdef UART_PADDR
 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"

arch/arm/plat-mxc/include/mach/entry-macro.S

 /*
  *  Copyright (C) 2007 Lennert Buytenhek <buytenh@wantstofly.org>
- *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *  Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
  */
 
 /*
@@ -18,11 +18,16 @@
 	.endm
 
 	.macro  get_irqnr_preamble, base, tmp
+#ifndef CONFIG_MXC_TZIC
 	ldr	\base, =avic_base
 	ldr	\base, [\base]
 #ifdef CONFIG_MXC_IRQ_PRIOR
 	ldr	r4, [\base, #AVIC_NIMASK]
 #endif
+#elif defined CONFIG_MXC_TZIC
+	ldr	\base, =tzic_base
+	ldr	\base, [\base]
+#endif /* CONFIG_MXC_TZIC */
 	.endm
 
 	.macro  arch_ret_to_user, tmp1, tmp2
@@ -32,6 +37,7 @@
 	@ and returns its number in irqnr
 	@ and returns if an interrupt occured in irqstat
 	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+#ifndef CONFIG_MXC_TZIC
 	@ Load offset & priority of the highest priority
 	@ interrupt pending from AVIC_NIVECSR
 	ldr	\irqstat, [\base, #0x40]
@@ -44,6 +50,32 @@
 	bicne	\tmp, \irqstat, #0xFFFFFFE0
 	strne	\tmp, [\base, #AVIC_NIMASK]
 	streq	r4, [\base, #AVIC_NIMASK]
+#endif
+#elif defined CONFIG_MXC_TZIC
+	@ Load offset & priority of the highest priority
+	@ interrupt pending.
+	@ 0xD80 is HIPND0 register
+	mov     \irqnr, #0
+	mov     \irqstat, #0x0D80
+1000:
+	ldr     \tmp,   [\irqstat, \base]
+	cmp     \tmp, #0
+	bne     1001f
+	addeq   \irqnr, \irqnr, #32
+	addeq   \irqstat, \irqstat, #4
+	cmp     \irqnr, #128
+	blo     1000b
+	b       2001f
+1001:	mov     \irqstat, #1
+1002:	tst     \tmp, \irqstat
+	bne     2002f
+	movs    \tmp, \tmp, lsr #1
+	addne   \irqnr, \irqnr, #1
+	bne     1002b
+2001:
+	mov  \irqnr, #0
+2002:
+	movs \irqnr, \irqnr
 #endif
 	.endm
 

arch/arm/plat-mxc/include/mach/hardware.h

@@ -27,6 +27,10 @@
 	 (((unsigned long)((addr) - (module ## _BASE_ADDR)) < module ## _SIZE) ?\
 	 (addr) - (module ## _BASE_ADDR) + (module ## _BASE_ADDR_VIRT) : 0))
 
+#ifdef CONFIG_ARCH_MX5
+#include <mach/mx51.h>
+#endif
+
 #ifdef CONFIG_ARCH_MX3
 #include <mach/mx3x.h>
 #include <mach/mx31.h>

arch/arm/plat-mxc/include/mach/iomux-v3.h

@@ -81,11 +81,13 @@ struct pad_desc {
 
 #define PAD_CTL_ODE			(1 << 3)
 
-#define PAD_CTL_DSE_STANDARD		(0 << 1)
-#define PAD_CTL_DSE_HIGH		(1 << 1)
-#define PAD_CTL_DSE_MAX			(2 << 1)
+#define PAD_CTL_DSE_LOW			(0 << 1)
+#define PAD_CTL_DSE_MED			(1 << 1)
+#define PAD_CTL_DSE_HIGH		(2 << 1)
+#define PAD_CTL_DSE_MAX			(3 << 1)
 
 #define PAD_CTL_SRE_FAST		(1 << 0)
+#define PAD_CTL_SRE_SLOW		(0 << 0)
 
 /*
  * setups a single pad in the iomuxer

arch/arm/plat-mxc/include/mach/irqs.h

@@ -12,9 +12,13 @@
 #define __ASM_ARCH_MXC_IRQS_H__
 
 /*
- * So far all i.MX SoCs have 64 internal interrupts
+ * SoCs with TZIC interrupt controller have 128 IRQs, those with AVIC have 64
  */
+#ifdef CONFIG_MXC_TZIC
+#define MXC_INTERNAL_IRQS	128
+#else
 #define MXC_INTERNAL_IRQS	64
+#endif
 
 #define MXC_GPIO_IRQ_START	MXC_INTERNAL_IRQS
 
@@ -26,6 +30,8 @@
 #define MXC_GPIO_IRQS		(32 * 3)
 #elif defined CONFIG_ARCH_MX25
 #define MXC_GPIO_IRQS		(32 * 4)
+#elif defined CONFIG_ARCH_MX5
+#define MXC_GPIO_IRQS		(32 * 4)
 #elif defined CONFIG_ARCH_MXC91231
 #define MXC_GPIO_IRQS		(32 * 4)
 #endif
@@ -51,6 +57,7 @@
 #else
 #define MX3_IPU_IRQS 0
 #endif
+/* REVISIT: Add IPU irqs on IMX51 */
 
 #define NR_IRQS			(MXC_IPU_IRQ_START + MX3_IPU_IRQS)
 

arch/arm/plat-mxc/include/mach/memory.h

@@ -16,6 +16,7 @@
 #define MX25_PHYS_OFFSET	UL(0x80000000)
 #define MX27_PHYS_OFFSET	UL(0xa0000000)
 #define MX3x_PHYS_OFFSET	UL(0x80000000)
+#define MX51_PHYS_OFFSET	UL(0x90000000)
 #define MXC91231_PHYS_OFFSET	UL(0x90000000)
 
 #if !defined(CONFIG_RUNTIME_PHYS_OFFSET)
@@ -31,6 +32,8 @@
 #  define PHYS_OFFSET		MX3x_PHYS_OFFSET
 # elif defined CONFIG_ARCH_MXC91231
 #  define PHYS_OFFSET		MXC91231_PHYS_OFFSET
+# elif defined CONFIG_ARCH_MX5
+#  define PHYS_OFFSET		MX51_PHYS_OFFSET
 # endif
 #endif
 

arch/arm/plat-mxc/include/mach/mx51.h

+#ifndef __ASM_ARCH_MXC_MX51_H__
+#define __ASM_ARCH_MXC_MX51_H__
+
+/*
+ * MX51 memory map:
+ *
+ *
+ * Virt		Phys		Size	What
+ * ---------------------------------------------------------------------------
+ * FA3E0000	1FFE0000	128K	IRAM (SCCv2 RAM)
+ *         	30000000	256M	GPU
+ *         	40000000	512M	IPU
+ * FA200000	60000000	1M	DEBUG
+ * FB100000	70000000	1M	SPBA 0
+ * FB000000	73F00000	1M	AIPS 1
+ * FB200000	83F00000	1M	AIPS 2
+ * FA100000	8FFFC000	16K	TZIC (interrupt controller)
+ *         	90000000	256M	CSD0 SDRAM/DDR
+ *         	A0000000	256M	CSD1 SDRAM/DDR
+ *         	B0000000	128M	CS0 Flash
+ *         	B8000000	128M	CS1 Flash
+ *         	C0000000	128M	CS2 Flash
+ *         	C8000000	64M	CS3 Flash
+ *         	CC000000	32M	CS4 SRAM
+ *         	CE000000	32M	CS5 SRAM
+ * F9000000	CFFF0000	64K	NFC (NAND Flash AXI)
+ *
+ */
+
+/*
+ * IRAM
+ */
+#define MX51_IRAM_BASE_ADDR		0x1FFE0000	/* internal ram */
+#define MX51_IRAM_BASE_ADDR_VIRT	0xFA3E0000
+#define MX51_IRAM_PARTITIONS		16
+#define MX51_IRAM_PARTITIONS_TO1	12
+#define MX51_IRAM_SIZE		(MX51_IRAM_PARTITIONS * SZ_8K)	/* 128KB */
+
+/*
+ * NFC
+ */
+#define MX51_NFC_AXI_BASE_ADDR		0xCFFF0000	/* NAND flash AXI */
+#define MX51_NFC_AXI_BASE_ADDR_VIRT	0xF9000000
+#define MX51_NFC_AXI_SIZE		SZ_64K
+
+/*
+ * Graphics Memory of GPU
+ */
+#define MX51_GPU_BASE_ADDR		0x20000000
+#define MX51_GPU2D_BASE_ADDR		0xD0000000
+
+#define MX51_TZIC_BASE_ADDR		0x8FFFC000
+#define MX51_TZIC_BASE_ADDR_VIRT	0xFA100000
+#define MX51_TZIC_SIZE			SZ_16K
+
+#define MX51_DEBUG_BASE_ADDR		0x60000000
+#define MX51_DEBUG_BASE_ADDR_VIRT	0xFA200000
+#define MX51_DEBUG_SIZE			SZ_1M
+#define MX51_ETB_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00001000)
+#define MX51_ETM_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00002000)
+#define MX51_TPIU_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00003000)
+#define MX51_CTI0_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00004000)
+#define MX51_CTI1_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00005000)
+#define MX51_CTI2_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00006000)
+#define MX51_CTI3_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00007000)
+#define MX51_CORTEX_DBG_BASE_ADDR	(MX51_DEBUG_BASE_ADDR + 0x00008000)
+
+/*
+ * SPBA global module enabled #0
+ */
+#define MX51_SPBA0_BASE_ADDR 		0x70000000
+#define MX51_SPBA0_BASE_ADDR_VIRT	0xFB100000
+#define MX51_SPBA0_SIZE			SZ_1M
+
+#define MX51_MMC_SDHC1_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x00004000)
+#define MX51_MMC_SDHC2_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x00008000)
+#define MX51_UART3_BASE_ADDR 		(MX51_SPBA0_BASE_ADDR + 0x0000C000)
+#define MX51_CSPI1_BASE_ADDR 		(MX51_SPBA0_BASE_ADDR + 0x00010000)
+#define MX51_SSI2_BASE_ADDR		(MX51_SPBA0_BASE_ADDR + 0x00014000)
+#define MX51_MMC_SDHC3_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x00020000)
+#define MX51_MMC_SDHC4_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x00024000)
+#define MX51_SPDIF_BASE_ADDR		(MX51_SPBA0_BASE_ADDR + 0x00028000)
+#define MX51_ATA_DMA_BASE_ADDR		(MX51_SPBA0_BASE_ADDR + 0x00030000)
+#define MX51_SLIM_DMA_BASE_ADDR		(MX51_SPBA0_BASE_ADDR + 0x00034000)
+#define MX51_HSI2C_DMA_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x00038000)
+#define MX51_SPBA_CTRL_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x0003C000)
+
+/*
+ * defines for SPBA modules
+ */
+#define MX51_SPBA_SDHC1	0x04
+#define MX51_SPBA_SDHC2	0x08
+#define MX51_SPBA_UART3	0x0C
+#define MX51_SPBA_CSPI1	0x10
+#define MX51_SPBA_SSI2	0x14
+#define MX51_SPBA_SDHC3	0x20
+#define MX51_SPBA_SDHC4	0x24
+#define MX51_SPBA_SPDIF	0x28
+#define MX51_SPBA_ATA	0x30
+#define MX51_SPBA_SLIM	0x34
+#define MX51_SPBA_HSI2C	0x38
+#define MX51_SPBA_CTRL	0x3C
+
+/*
+ * AIPS 1
+ */
+#define MX51_AIPS1_BASE_ADDR 	0x73F00000
+#define MX51_AIPS1_BASE_ADDR_VIRT	0xFB000000
+#define MX51_AIPS1_SIZE		SZ_1M
+
+#define MX51_OTG_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00080000)
+#define MX51_GPIO1_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00084000)
+#define MX51_GPIO2_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00088000)
+#define MX51_GPIO3_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x0008C000)
+#define MX51_GPIO4_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00090000)
+#define MX51_KPP_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00094000)
+#define MX51_WDOG_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00098000)
+#define MX51_WDOG2_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x0009C000)
+#define MX51_GPT1_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000A0000)
+#define MX51_SRTC_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000A4000)
+#define MX51_IOMUXC_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000A8000)
+#define MX51_EPIT1_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000AC000)
+#define MX51_EPIT2_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000B0000)
+#define MX51_PWM1_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000B4000)
+#define MX51_PWM2_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000B8000)
+#define MX51_UART1_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000BC000)
+#define MX51_UART2_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000C0000)
+#define MX51_SRC_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000D0000)
+#define MX51_CCM_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000D4000)
+#define MX51_GPC_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000D8000)
+
+/*
+ * Defines for modules using static and dynamic DMA channels
+ */
+#define MX51_MXC_DMA_CHANNEL_IRAM	30
+#define MX51_MXC_DMA_CHANNEL_SPDIF_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART1_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART1_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART2_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART2_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART3_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART3_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_MMC1	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_MMC2	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_SSI1_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_SSI1_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_SSI2_RX	MXC_DMA_DYNAMIC_CHANNEL
+#ifdef CONFIG_SDMA_IRAM
+#define MX51_MXC_DMA_CHANNEL_SSI2_TX	(MX51_MXC_DMA_CHANNEL_IRAM + 1)
+#else				/*CONFIG_SDMA_IRAM */
+#define MX51_MXC_DMA_CHANNEL_SSI2_TX	MXC_DMA_DYNAMIC_CHANNEL
+#endif				/*CONFIG_SDMA_IRAM */
+#define MX51_MXC_DMA_CHANNEL_CSPI1_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_CSPI1_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_CSPI2_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_CSPI2_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_CSPI3_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_CSPI3_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_ATA_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_ATA_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_MEMORY	MXC_DMA_DYNAMIC_CHANNEL
+
+/*
+ * AIPS 2
+ */
+#define MX51_AIPS2_BASE_ADDR		0x83F00000
+#define MX51_AIPS2_BASE_ADDR_VIRT	0xFB200000
+#define MX51_AIPS2_SIZE			SZ_1M
+
+#define MX51_PLL1_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x00080000)
+#define MX51_PLL2_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x00084000)
+#define MX51_PLL3_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x00088000)
+#define MX51_AHBMAX_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x00094000)
+#define MX51_IIM_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x00098000)
+#define MX51_CSU_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x0009C000)
+#define MX51_ARM_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000A0000)
+#define MX51_OWIRE_BASE_ADDR 	(MX51_AIPS2_BASE_ADDR + 0x000A4000)
+#define MX51_FIRI_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000A8000)
+#define MX51_CSPI2_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000AC000)
+#define MX51_SDMA_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000B0000)
+#define MX51_SCC_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000B4000)
+#define MX51_ROMCP_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000B8000)
+#define MX51_RTIC_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000BC000)
+#define MX51_CSPI3_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000C0000)
+#define MX51_I2C2_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000C4000)
+#define MX51_I2C1_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000C8000)
+#define MX51_SSI1_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000CC000)
+#define MX51_AUDMUX_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000D0000)
+#define MX51_M4IF_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000D8000)
+#define MX51_ESDCTL_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000D9000)
+#define MX51_WEIM_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000DA000)
+#define MX51_NFC_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000DB000)
+#define MX51_EMI_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000DBF00)
+#define MX51_MIPI_HSC_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000DC000)
+#define MX51_ATA_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000E0000)
+#define MX51_SIM_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000E4000)
+#define MX51_SSI3BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000E8000)
+#define MX51_MXC_FEC_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000EC000)
+#define MX51_TVE_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000F0000)
+#define MX51_VPU_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000F4000)
+#define MX51_SAHARA_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000F8000)
+
+/*
+ * Memory regions and CS
+ */
+#define MX51_GPU_CTRL_BASE_ADDR		0x30000000
+#define MX51_IPU_CTRL_BASE_ADDR		0x40000000
+#define MX51_CSD0_BASE_ADDR		0x90000000
+#define MX51_CSD1_BASE_ADDR		0xA0000000
+#define MX51_CS0_BASE_ADDR		0xB0000000
+#define MX51_CS1_BASE_ADDR		0xB8000000
+#define MX51_CS2_BASE_ADDR		0xC0000000
+#define MX51_CS3_BASE_ADDR		0xC8000000
+#define MX51_CS4_BASE_ADDR		0xCC000000
+#define MX51_CS5_BASE_ADDR		0xCE000000
+
+/* Does given address belongs to the specified memory region? */
+#define ADDRESS_IN_REGION(addr, start, size)			\
+	(((addr) >= (start)) && ((addr) < (start)+(size)))
+
+/* Does given address belongs to the specified named `module'? */
+#define MX51_IS_MODULE(addr, module)			       \
+	ADDRESS_IN_REGION(addr, MX51_ ## module ## _BASE_ADDR, \
+				MX51_ ## module ## _SIZE)
+/*
+ * This macro defines the physical to virtual address mapping for all the
+ * peripheral modules. It is used by passing in the physical address as x
+ * and returning the virtual address. If the physical address is not mapped,
+ * it returns 0xDEADBEEF
+ */
+
+#define MX51_IO_ADDRESS(x)					\
+	(void __iomem *)					\
+	(MX51_IS_MODULE(x, IRAM) ? MX51_IRAM_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, TZIC) ? MX51_TZIC_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, DEBUG) ? MX51_DEBUG_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, SPBA0) ? MX51_SPBA0_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, AIPS1) ? MX51_AIPS1_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, AIPS2) ? MX51_AIPS2_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, NFC_AXI) ? MX51_NFC_AXI_IO_ADDRESS(x) : \
+	0xDEADBEEF)
+
+/*
+ * define the address mapping macros: in physical address order
+ */
+#define MX51_IRAM_IO_ADDRESS(x)  \
+	(((x) - MX51_IRAM_BASE_ADDR) + MX51_IRAM_BASE_ADDR_VIRT)
+
+#define MX51_TZIC_IO_ADDRESS(x)  \
+	(((x) - MX51_TZIC_BASE_ADDR) + MX51_TZIC_BASE_ADDR_VIRT)
+
+#define MX51_DEBUG_IO_ADDRESS(x)  \
+	(((x) - MX51_DEBUG_BASE_ADDR) + MX51_DEBUG_BASE_ADDR_VIRT)
+
+#define MX51_SPBA0_IO_ADDRESS(x)  \
+	(((x) - MX51_SPBA0_BASE_ADDR) + MX51_SPBA0_BASE_ADDR_VIRT)
+
+#define MX51_AIPS1_IO_ADDRESS(x)  \
+	(((x) - MX51_AIPS1_BASE_ADDR) + MX51_AIPS1_BASE_ADDR_VIRT)
+
+#define MX51_AIPS2_IO_ADDRESS(x)  \
+	(((x) - MX51_AIPS2_BASE_ADDR) + MX51_AIPS2_BASE_ADDR_VIRT)
+
+#define MX51_NFC_AXI_IO_ADDRESS(x) \
+	(((x) - MX51_NFC_AXI_BASE_ADDR) + MX51_NFC_AXI_BASE_ADDR_VIRT)
+
+#define MX51_IS_MEM_DEVICE_NONSHARED(x)		0
+
+/*
+ * DMA request assignments
+ */
+#define MX51_DMA_REQ_SSI3_TX1	47
+#define MX51_DMA_REQ_SSI3_RX1	46
+#define MX51_DMA_REQ_SPDIF	45
+#define MX51_DMA_REQ_UART3_TX	44
+#define MX51_DMA_REQ_UART3_RX	43
+#define MX51_DMA_REQ_SLIM_B_TX	42
+#define MX51_DMA_REQ_SDHC4	41
+#define MX51_DMA_REQ_SDHC3	40
+#define MX51_DMA_REQ_CSPI_TX	39
+#define MX51_DMA_REQ_CSPI_RX	38
+#define MX51_DMA_REQ_SSI3_TX2	37
+#define MX51_DMA_REQ_IPU	36
+#define MX51_DMA_REQ_SSI3_RX2	35
+#define MX51_DMA_REQ_EPIT2	34
+#define MX51_DMA_REQ_CTI2_1	33
+#define MX51_DMA_REQ_EMI_WR	32
+#define MX51_DMA_REQ_CTI2_0	31
+#define MX51_DMA_REQ_EMI_RD	30
+#define MX51_DMA_REQ_SSI1_TX1	29
+#define MX51_DMA_REQ_SSI1_RX1	28
+#define MX51_DMA_REQ_SSI1_TX2	27
+#define MX51_DMA_REQ_SSI1_RX2	26
+#define MX51_DMA_REQ_SSI2_TX1	25
+#define MX51_DMA_REQ_SSI2_RX1	24
+#define MX51_DMA_REQ_SSI2_TX2	23
+#define MX51_DMA_REQ_SSI2_RX2	22
+#define MX51_DMA_REQ_SDHC2	21
+#define MX51_DMA_REQ_SDHC1	20
+#define MX51_DMA_REQ_UART1_TX	19
+#define MX51_DMA_REQ_UART1_RX	18
+#define MX51_DMA_REQ_UART2_TX	17
+#define MX51_DMA_REQ_UART2_RX	16
+#define MX51_DMA_REQ_GPU	15
+#define MX51_DMA_REQ_EXTREQ1	14
+#define MX51_DMA_REQ_FIRI_TX	13
+#define MX51_DMA_REQ_FIRI_RX	12
+#define MX51_DMA_REQ_HS_I2C_RX	11
+#define MX51_DMA_REQ_HS_I2C_TX	10
+#define MX51_DMA_REQ_CSPI2_TX	9
+#define MX51_DMA_REQ_CSPI2_RX	8
+#define MX51_DMA_REQ_CSPI1_TX	7
+#define MX51_DMA_REQ_CSPI1_RX	6
+#define MX51_DMA_REQ_SLIM_B	5
+#define MX51_DMA_REQ_ATA_TX_END	4
+#define MX51_DMA_REQ_ATA_TX	3
+#define MX51_DMA_REQ_ATA_RX	2
+#define MX51_DMA_REQ_GPC	1
+#define MX51_DMA_REQ_VPU	0
+
+/*
+ * Interrupt numbers
+ */
+#define MX51_MXC_INT_BASE	0
+#define MX51_MXC_INT_RESV0	0
+#define MX51_MXC_INT_MMC_SDHC1	1
+#define MX51_MXC_INT_MMC_SDHC2	2
+#define MX51_MXC_INT_MMC_SDHC3	3
+#define MX51_MXC_INT_MMC_SDHC4	4
+#define MX51_MXC_INT_RESV5	5
+#define MX51_MXC_INT_SDMA	6
+#define MX51_MXC_INT_IOMUX	7
+#define MX51_MXC_INT_NFC	8
+#define MX51_MXC_INT_VPU	9
+#define MX51_MXC_INT_IPU_ERR	10
+#define MX51_MXC_INT_IPU_SYN	11
+#define MX51_MXC_INT_GPU	12
+#define MX51_MXC_INT_RESV13	13
+#define MX51_MXC_INT_USB_H1	14
+#define MX51_MXC_INT_EMI	15
+#define MX51_MXC_INT_USB_H2	16
+#define MX51_MXC_INT_USB_H3	17
+#define MX51_MXC_INT_USB_OTG	18
+#define MX51_MXC_INT_SAHARA_H0	19
+#define MX51_MXC_INT_SAHARA_H1	20
+#define MX51_MXC_INT_SCC_SMN	21
+#define MX51_MXC_INT_SCC_STZ	22
+#define MX51_MXC_INT_SCC_SCM	23
+#define MX51_MXC_INT_SRTC_NTZ	24
+#define MX51_MXC_INT_SRTC_TZ	25
+#define MX51_MXC_INT_RTIC	26
+#define MX51_MXC_INT_CSU	27
+#define MX51_MXC_INT_SLIM_B	28
+#define MX51_MXC_INT_SSI1	29
+#define MX51_MXC_INT_SSI2	30
+#define MX51_MXC_INT_UART1	31
+#define MX51_MXC_INT_UART2	32
+#define MX51_MXC_INT_UART3	33
+#define MX51_MXC_INT_RESV34	34
+#define MX51_MXC_INT_RESV35	35
+#define MX51_MXC_INT_CSPI1	36
+#define MX51_MXC_INT_CSPI2	37
+#define MX51_MXC_INT_CSPI	38
+#define MX51_MXC_INT_GPT	39
+#define MX51_MXC_INT_EPIT1	40
+#define MX51_MXC_INT_EPIT2	41
+#define MX51_MXC_INT_GPIO1_INT7	42
+#define MX51_MXC_INT_GPIO1_INT6	43
+#define MX51_MXC_INT_GPIO1_INT5	44
+#define MX51_MXC_INT_GPIO1_INT4	45
+#define MX51_MXC_INT_GPIO1_INT3	46
+#define MX51_MXC_INT_GPIO1_INT2	47
+#define MX51_MXC_INT_GPIO1_INT1	48
+#define MX51_MXC_INT_GPIO1_INT0	49
+#define MX51_MXC_INT_GPIO1_LOW	50
+#define MX51_MXC_INT_GPIO1_HIGH	51
+#define MX51_MXC_INT_GPIO2_LOW	52
+#define MX51_MXC_INT_GPIO2_HIGH	53
+#define MX51_MXC_INT_GPIO3_LOW	54
+#define MX51_MXC_INT_GPIO3_HIGH	55
+#define MX51_MXC_INT_GPIO4_LOW	56
+#define MX51_MXC_INT_GPIO4_HIGH	57
+#define MX51_MXC_INT_WDOG1	58
+#define MX51_MXC_INT_WDOG2	59
+#define MX51_MXC_INT_KPP	60
+#define MX51_MXC_INT_PWM1	61
+#define MX51_MXC_INT_I2C1	62
+#define MX51_MXC_INT_I2C2	63
+#define MX51_MXC_INT_HS_I2C	64
+#define MX51_MXC_INT_RESV65	65
+#define MX51_MXC_INT_RESV66	66
+#define MX51_MXC_INT_SIM_IPB	67
+#define MX51_MXC_INT_SIM_DAT	68
+#define MX51_MXC_INT_IIM	69
+#define MX51_MXC_INT_ATA	70
+#define MX51_MXC_INT_CCM1	71
+#define MX51_MXC_INT_CCM2	72
+#define MX51_MXC_INT_GPC1	73
+#define MX51_MXC_INT_GPC2	74
+#define MX51_MXC_INT_SRC	75
+#define MX51_MXC_INT_NM		76
+#define MX51_MXC_INT_PMU	77
+#define MX51_MXC_INT_CTI_IRQ	78
+#define MX51_MXC_INT_CTI1_TG0	79
+#define MX51_MXC_INT_CTI1_TG1	80
+#define MX51_MXC_INT_MCG_ERR	81
+#define MX51_MXC_INT_MCG_TMR	82
+#define MX51_MXC_INT_MCG_FUNC	83
+#define MX51_MXC_INT_GPU2_IRQ	84
+#define MX51_MXC_INT_GPU2_BUSY	85
+#define MX51_MXC_INT_RESV86	86
+#define MX51_MXC_INT_FEC	87
+#define MX51_MXC_INT_OWIRE	88
+#define MX51_MXC_INT_CTI1_TG2	89
+#define MX51_MXC_INT_SJC	90
+#define MX51_MXC_INT_SPDIF	91
+#define MX51_MXC_INT_TVE	92
+#define MX51_MXC_INT_FIRI	93
+#define MX51_MXC_INT_PWM2	94
+#define MX51_MXC_INT_SLIM_EXP	95
+#define MX51_MXC_INT_SSI3	96
+#define MX51_MXC_INT_EMI_BOOT	97
+#define MX51_MXC_INT_CTI1_TG3	98
+#define MX51_MXC_INT_SMC_RX	99
+#define MX51_MXC_INT_VPU_IDLE	100
+#define MX51_MXC_INT_EMI_NFC	101
+#define MX51_MXC_INT_GPU_IDLE	102
+
+/* silicon revisions specific to i.MX51 */
+#define MX51_CHIP_REV_1_0	0x10
+#define MX51_CHIP_REV_1_1	0x11
+#define MX51_CHIP_REV_1_2	0x12
+#define MX51_CHIP_REV_1_3	0x13
+#define MX51_CHIP_REV_2_0	0x20
+#define MX51_CHIP_REV_2_1	0x21
+#define MX51_CHIP_REV_2_2	0x22
+#define MX51_CHIP_REV_2_3	0x23
+#define MX51_CHIP_REV_3_0	0x30
+#define MX51_CHIP_REV_3_1	0x31
+#define MX51_CHIP_REV_3_2	0x32
+
+/* Mandatory defines used globally */
+
+#if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS)
+
+extern unsigned int system_rev;
+
+static inline unsigned int mx51_revision(void)
+{
+	return system_rev;
+}
+#endif
+
+#endif	/*  __ASM_ARCH_MXC_MX51_H__ */

arch/arm/plat-mxc/include/mach/mxc.h

@@ -30,6 +30,7 @@
 #define MXC_CPU_MX27		27
 #define MXC_CPU_MX31		31
 #define MXC_CPU_MX35		35
+#define MXC_CPU_MX51		51
 #define MXC_CPU_MXC91231	91231
 
 #ifndef __ASSEMBLY__
@@ -108,6 +109,18 @@ extern unsigned int __mxc_cpu_type;
 # define cpu_is_mx35()		(0)
 #endif
 
+#ifdef CONFIG_ARCH_MX5
+# ifdef mxc_cpu_type
+#  undef mxc_cpu_type
+#  define mxc_cpu_type __mxc_cpu_type
+# else
+#  define mxc_cpu_type MXC_CPU_MX51
+# endif
+# define cpu_is_mx51()		(mxc_cpu_type == MXC_CPU_MX51)
+#else
+# define cpu_is_mx51()		(0)
+#endif
+
 #ifdef CONFIG_ARCH_MXC91231
 # ifdef mxc_cpu_type
 #  undef mxc_cpu_type

arch/arm/plat-mxc/include/mach/timex.h

@@ -28,6 +28,8 @@
 #define CLOCK_TICK_RATE		16625000
 #elif defined CONFIG_ARCH_MX25
 #define CLOCK_TICK_RATE		16000000
+#elif defined CONFIG_ARCH_MX5
+#define CLOCK_TICK_RATE		8000000
 #elif defined CONFIG_ARCH_MXC91231
 #define CLOCK_TICK_RATE		13000000
 #endif

arch/arm/plat-mxc/time.c

@@ -30,9 +30,15 @@
 #include <asm/mach/time.h>
 #include <mach/common.h>
 
+/*
+ * There are 2 versions of the timer hardware on Freescale MXC hardware.
+ * Version 1: MX1/MXL, MX21, MX27.
+ * Version 2: MX25, MX31, MX35, MX37, MX51
+ */
+
 /* defines common for all i.MX */
 #define MXC_TCTL		0x00
-#define MXC_TCTL_TEN		(1 << 0)
+#define MXC_TCTL_TEN		(1 << 0) /* Enable module */
 #define MXC_TPRER		0x04
 
 /* MX1, MX21, MX27 */
@@ -47,8 +53,8 @@
 #define MX2_TSTAT_CAPT		(1 << 1)
 #define MX2_TSTAT_COMP		(1 << 0)
 
-/* MX31, MX35, MX25, MXC91231 */
-#define MX3_TCTL_WAITEN		(1 << 3)
+/* MX31, MX35, MX25, MXC91231, MX5 */
+#define MX3_TCTL_WAITEN		(1 << 3) /* Wait enable mode */
 #define MX3_TCTL_CLK_IPG	(1 << 6)
 #define MX3_TCTL_FRR		(1 << 9)
 #define MX3_IR			0x0c
@@ -57,6 +63,9 @@
 #define MX3_TCN			0x24
 #define MX3_TCMP		0x10
 
+#define timer_is_v1()	(cpu_is_mx1() || cpu_is_mx21() || cpu_is_mx27())
+#define timer_is_v2()	(!timer_is_v1())
+
 static struct clock_event_device clockevent_mxc;
 static enum clock_event_mode clockevent_mode = CLOCK_EVT_MODE_UNUSED;
 
@@ -66,7 +75,7 @@ static inline void gpt_irq_disable(void)
 {
 	unsigned int tmp;
 
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		__raw_writel(0, timer_base + MX3_IR);
 	else {
 		tmp = __raw_readl(timer_base + MXC_TCTL);
@@ -76,7 +85,7 @@ static inline void gpt_irq_disable(void)
 
 static inline void gpt_irq_enable(void)
 {
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		__raw_writel(1<<0, timer_base + MX3_IR);
 	else {
 		__raw_writel(__raw_readl(timer_base + MXC_TCTL) | MX1_2_TCTL_IRQEN,
@@ -86,11 +95,13 @@ static inline void gpt_irq_enable(void)
 
 static void gpt_irq_acknowledge(void)
 {
-	if (cpu_is_mx1())
-		__raw_writel(0, timer_base + MX1_2_TSTAT);
-	if (cpu_is_mx2())
-		__raw_writel(MX2_TSTAT_CAPT | MX2_TSTAT_COMP, timer_base + MX1_2_TSTAT);
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v1()) {
+		if (cpu_is_mx1())
+			__raw_writel(0, timer_base + MX1_2_TSTAT);
+		else
+			__raw_writel(MX2_TSTAT_CAPT | MX2_TSTAT_COMP,
+				timer_base + MX1_2_TSTAT);
+	} else if (timer_is_v2())
 		__raw_writel(MX3_TSTAT_OF1, timer_base + MX3_TSTAT);
 }
 
@@ -117,7 +128,7 @@ static int __init mxc_clocksource_init(struct clk *timer_clk)
 {
 	unsigned int c = clk_get_rate(timer_clk);
 
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		clocksource_mxc.read = mx3_get_cycles;
 
 	clocksource_mxc.mult = clocksource_hz2mult(c,
@@ -180,7 +191,7 @@ static void mxc_set_mode(enum clock_event_mode mode,
 
 	if (mode != clockevent_mode) {
 		/* Set event time into far-far future */
-		if (cpu_is_mx3() || cpu_is_mx25())
+		if (timer_is_v2())
 			__raw_writel(__raw_readl(timer_base + MX3_TCN) - 3,
 					timer_base + MX3_TCMP);
 		else
@@ -233,7 +244,7 @@ static irqreturn_t mxc_timer_interrupt(int irq, void *dev_id)
 	struct clock_event_device *evt = &clockevent_mxc;
 	uint32_t tstat;
 
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		tstat = __raw_readl(timer_base + MX3_TSTAT);
 	else
 		tstat = __raw_readl(timer_base + MX1_2_TSTAT);
@@ -264,7 +275,7 @@ static int __init mxc_clockevent_init(struct clk *timer_clk)
 {
 	unsigned int c = clk_get_rate(timer_clk);
 
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		clockevent_mxc.set_next_event = mx3_set_next_event;
 
 	clockevent_mxc.mult = div_sc(c, NSEC_PER_SEC,
@@ -296,7 +307,7 @@ void __init mxc_timer_init(struct clk *timer_clk, void __iomem *base, int irq)
 	__raw_writel(0, timer_base + MXC_TCTL);
 	__raw_writel(0, timer_base + MXC_TPRER); /* see datasheet note */
 
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		tctl_val = MX3_TCTL_CLK_IPG | MX3_TCTL_FRR | MX3_TCTL_WAITEN | MXC_TCTL_TEN;
 	else
 		tctl_val = MX1_2_TCTL_FRR | MX1_2_TCTL_CLK_PCLK1 | MXC_TCTL_TEN;

arch/arm/plat-mxc/tzic.c

+/*
+ * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+
+/*
+ *****************************************
+ * TZIC Registers                        *
+ *****************************************
+ */
+
+#define TZIC_INTCNTL	0x0000	/* Control register */
+#define TZIC_INTTYPE	0x0004	/* Controller Type register */
+#define TZIC_IMPID	0x0008	/* Distributor Implementer Identification */
+#define TZIC_PRIOMASK	0x000C	/* Priority Mask Reg */
+#define TZIC_SYNCCTRL	0x0010	/* Synchronizer Control register */
+#define TZIC_DSMINT	0x0014	/* DSM interrupt Holdoffregister */
+#define TZIC_INTSEC0(i)	(0x0080 + ((i) << 2)) /* Interrupt Security Reg 0 */
+#define TZIC_ENSET0(i)	(0x0100 + ((i) << 2)) /* Enable Set Reg 0 */
+#define TZIC_ENCLEAR0(i) (0x0180 + ((i) << 2)) /* Enable Clear Reg 0 */
+#define TZIC_SRCSET0	0x0200	/* Source Set Register 0 */
+#define TZIC_SRCCLAR0	0x0280	/* Source Clear Register 0 */
+#define TZIC_PRIORITY0	0x0400	/* Priority Register 0 */
+#define TZIC_PND0	0x0D00	/* Pending Register 0 */
+#define TZIC_HIPND0	0x0D80	/* High Priority Pending Register */
+#define TZIC_WAKEUP0(i)	(0x0E00 + ((i) << 2))	/* Wakeup Config Register */
+#define TZIC_SWINT	0x0F00	/* Software Interrupt Rigger Register */
+#define TZIC_ID0	0x0FD0	/* Indentification Register 0 */
+
+void __iomem *tzic_base; /* Used as irq controller base in entry-macro.S */
+
+/**
+ * tzic_mask_irq() - Disable interrupt number "irq" in the TZIC
+ *
+ * @param  irq          interrupt source number
+ */
+static void tzic_mask_irq(unsigned int irq)
+{
+	int index, off;
+
+	index = irq >> 5;
+	off = irq & 0x1F;
+	__raw_writel(1 << off, tzic_base + TZIC_ENCLEAR0(index));
+}
+
+/**
+ * tzic_unmask_irq() - Enable interrupt number "irq" in the TZIC
+ *
+ * @param  irq          interrupt source number
+ */
+static void tzic_unmask_irq(unsigned int irq)
+{
+	int index, off;
+
+	index = irq >> 5;
+	off = irq & 0x1F;
+	__raw_writel(1 << off, tzic_base + TZIC_ENSET0(index));
+}
+
+static unsigned int wakeup_intr[4];
+
+/**
+ * tzic_set_wake_irq() - Set interrupt number "irq" in the TZIC as a wake-up source.
+ *
+ * @param  irq          interrupt source number
+ * @param  enable       enable as wake-up if equal to non-zero
+ * 			disble as wake-up if equal to zero
+ *
+ * @return       This function returns 0 on success.
+ */
+static int tzic_set_wake_irq(unsigned int irq, unsigned int enable)
+{
+	unsigned int index, off;
+
+	index = irq >> 5;
+	off = irq & 0x1F;
+
+	if (index > 3)
+		return -EINVAL;
+
+	if (enable)
+		wakeup_intr[index] |= (1 << off);
+	else
+		wakeup_intr[index] &= ~(1 << off);
+
+	return 0;
+}
+
+static struct irq_chip mxc_tzic_chip = {
+	.name = "MXC_TZIC",
+	.ack = tzic_mask_irq,
+	.mask = tzic_mask_irq,
+	.unmask = tzic_unmask_irq,
+	.set_wake = tzic_set_wake_irq,
+};
+
+/*
+ * This function initializes the TZIC hardware and disables all the
+ * interrupts. It registers the interrupt enable and disable functions
+ * to the kernel for each interrupt source.
+ */
+void __init tzic_init_irq(void __iomem *irqbase)
+{
+	int i;
+
+	tzic_base = irqbase;
+	/* put the TZIC into the reset value with
+	 * all interrupts disabled
+	 */
+	i = __raw_readl(tzic_base + TZIC_INTCNTL);
+
+	__raw_writel(0x80010001, tzic_base + TZIC_INTCNTL);
+	__raw_writel(0x1f, tzic_base + TZIC_PRIOMASK);
+	__raw_writel(0x02, tzic_base + TZIC_SYNCCTRL);
+
+	for (i = 0; i < 4; i++)
+		__raw_writel(0xFFFFFFFF, tzic_base + TZIC_INTSEC0(i));
+
+	/* disable all interrupts */
+	for (i = 0; i < 4; i++)
+		__raw_writel(0xFFFFFFFF, tzic_base + TZIC_ENCLEAR0(i));
+
+	/* all IRQ no FIQ Warning :: No selection */
+
+	for (i = 0; i < MXC_INTERNAL_IRQS; i++) {
+		set_irq_chip(i, &mxc_tzic_chip);
+		set_irq_handler(i, handle_level_irq);
+		set_irq_flags(i, IRQF_VALID);
+	}
+
+	pr_info("TrustZone Interrupt Controller (TZIC) initialized\n");
+}
+
+/**
+ * tzic_enable_wake() - enable wakeup interrupt
+ *
+ * @param is_idle		1 if called in idle loop (ENSET0 register);
+ *				0 to be used when called from low power entry
+ * @return			0 if successful; non-zero otherwise
+ */
+int tzic_enable_wake(int is_idle)
+{
+	unsigned int i, v;
+
+	__raw_writel(1, tzic_base + TZIC_DSMINT);
+	if (unlikely(__raw_readl(tzic_base + TZIC_DSMINT) == 0))
+		return -EAGAIN;
+
+	for (i = 0; i < 4; i++) {
+		v = is_idle ? __raw_readl(TZIC_ENSET0(i)) : wakeup_intr[i];
+		__raw_writel(v, TZIC_WAKEUP0(i));
+	}
+
+	return 0;
+}