MXC: add basic MXC91231 support

Signed-off-by: Dmitriy Taychenachev <dimichxp@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

13 files changed, 383 insertions, 2 deletions

diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index e342a2e61601..ca5c7c226341 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -34,12 +34,20 @@ config ARCH_MX3
 	help
 	  This enables support for systems based on the Freescale i.MX3 family
 
+config ARCH_MXC91231
+	bool "MXC91231-based"
+	select CPU_V6
+	select COMMON_CLKDEV
+	help
+	  This enables support for systems based on the Freescale MXC91231 family
+
 endchoice
 
 source "arch/arm/mach-mx1/Kconfig"
 source "arch/arm/mach-mx2/Kconfig"
 source "arch/arm/mach-mx3/Kconfig"
 source "arch/arm/mach-mx25/Kconfig"
+source "arch/arm/mach-mxc91231/Kconfig"
 
 endmenu
 
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
index 4e7af7412396..286cb9b0a25b 100644
--- a/arch/arm/plat-mxc/include/mach/common.h
+++ b/arch/arm/plat-mxc/include/mach/common.h
@@ -20,6 +20,7 @@ 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 mxc91231_map_io(void);
 extern void mxc_init_irq(void __iomem *);
 extern void mx1_init_irq(void);
 extern void mx21_init_irq(void);
@@ -27,6 +28,7 @@ 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 mxc91231_init_irq(void);
 extern void mxc_timer_init(struct clk *timer_clk, void __iomem *, int);
 extern int mx1_clocks_init(unsigned long fref);
 extern int mx21_clocks_init(unsigned long lref, unsigned long fref);
@@ -34,9 +36,13 @@ extern int mx25_clocks_init(unsigned long fref);
 extern int mx27_clocks_init(unsigned long fref);
 extern int mx31_clocks_init(unsigned long fref);
 extern int mx35_clocks_init(void);
+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);
 extern void mxc_set_cpu_type(unsigned int type);
 extern void mxc_arch_reset_init(void __iomem *);
+extern void mxc91231_power_off(void);
+extern void mxc91231_arch_reset(int, const char *);
+extern void mxc91231_prepare_idle(void);
 
 #endif
diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index bf683de56b76..15b2b148a105 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -44,6 +44,14 @@
 #define UART_VADDR	AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
 #endif
 
+#ifdef CONFIG_ARCH_MXC91231
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#include <mach/mxc91231.h>
+#define UART_PADDR	MXC91231_UART2_BASE_ADDR
+#define UART_VADDR	MXC91231_AIPS1_IO_ADDRESS(MXC91231_UART2_BASE_ADDR)
+#endif
 		.macro	addruart,rx
 		mrc	p15, 0, \rx, c1, c0
 		tst	\rx, #1			@ MMU enabled?
diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h
index 569af3239c3c..78db75475f69 100644
--- a/arch/arm/plat-mxc/include/mach/hardware.h
+++ b/arch/arm/plat-mxc/include/mach/hardware.h
@@ -46,6 +46,10 @@
 # include <mach/mx25.h>
 #endif
 
+#ifdef CONFIG_ARCH_MXC91231
+# include <mach/mxc91231.h>
+#endif
+
 #include <mach/mxc.h>
 
 #endif /* __ASM_ARCH_MXC_HARDWARE_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
index f39e016c1cc5..ead9d592168d 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -26,6 +26,8 @@
 #define MXC_GPIO_IRQS		(32 * 3)
 #elif defined CONFIG_ARCH_MX25
 #define MXC_GPIO_IRQS		(32 * 4)
+#elif defined CONFIG_ARCH_MXC91231
+#define MXC_GPIO_IRQS		(32 * 4)
 #endif
 
 /*
diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h
index 42db73941118..d3afafdcc0e5 100644
--- a/arch/arm/plat-mxc/include/mach/memory.h
+++ b/arch/arm/plat-mxc/include/mach/memory.h
@@ -24,6 +24,8 @@
 #define PHYS_OFFSET		UL(0x80000000)
 #elif defined CONFIG_ARCH_MX25
 #define PHYS_OFFSET		UL(0x80000000)
+#elif defined CONFIG_ARCH_MXC91231
+#define PHYS_OFFSET		UL(0x90000000)
 #endif
 
 #if defined(CONFIG_MX1_VIDEO)
diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h
index 882b816729bd..51990536b845 100644
--- a/arch/arm/plat-mxc/include/mach/mxc.h
+++ b/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_MXC91231	91231
 
 #ifndef __ASSEMBLY__
 extern unsigned int __mxc_cpu_type;
@@ -107,13 +108,25 @@ extern unsigned int __mxc_cpu_type;
 # define cpu_is_mx35()		(0)
 #endif
 
+#ifdef CONFIG_ARCH_MXC91231
+# ifdef mxc_cpu_type
+#  undef mxc_cpu_type
+#  define mxc_cpu_type __mxc_cpu_type
+# else
+#  define mxc_cpu_type MXC_CPU_MXC91231
+# endif
+# define cpu_is_mxc91231()	(mxc_cpu_type == MXC_CPU_MXC91231)
+#else
+# define cpu_is_mxc91231()	(0)
+#endif
+
 #if defined(CONFIG_ARCH_MX3) || defined(CONFIG_ARCH_MX2)
 #define CSCR_U(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10)
 #define CSCR_L(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10 + 0x4)
 #define CSCR_A(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10 + 0x8)
 #endif
 
-#define cpu_is_mx3()	(cpu_is_mx31() || cpu_is_mx35())
+#define cpu_is_mx3()	(cpu_is_mx31() || cpu_is_mx35() || cpu_is_mxc91231())
 #define cpu_is_mx2()	(cpu_is_mx21() || cpu_is_mx27())
 
 #endif /*  __ASM_ARCH_MXC_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mxc91231.h b/arch/arm/plat-mxc/include/mach/mxc91231.h
new file mode 100644
index 000000000000..81484d1ef232
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mxc91231.h
@@ -0,0 +1,315 @@
+/*
+ *  Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved.
+ *    - Platform specific register memory map
+ *
+ *  Copyright 2005-2007 Motorola, Inc.
+ *
+ * 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
+ */
+#ifndef __MACH_MXC91231_H__
+#define __MACH_MXC91231_H__
+
+/*
+ * L2CC
+ */
+#define MXC91231_L2CC_BASE_ADDR		0x30000000
+#define MXC91231_L2CC_BASE_ADDR_VIRT	0xF9000000
+#define MXC91231_L2CC_SIZE		SZ_64K
+
+/*
+ * AIPS 1
+ */
+#define MXC91231_AIPS1_BASE_ADDR	0x43F00000
+#define MXC91231_AIPS1_BASE_ADDR_VIRT	0xFC000000
+#define MXC91231_AIPS1_SIZE		SZ_1M
+
+#define MXC91231_AIPS1_CTRL_BASE_ADDR	MXC91231_AIPS1_BASE_ADDR
+#define MXC91231_MAX_BASE_ADDR		(MXC91231_AIPS1_BASE_ADDR + 0x04000)
+#define MXC91231_EVTMON_BASE_ADDR	(MXC91231_AIPS1_BASE_ADDR + 0x08000)
+#define MXC91231_CLKCTL_BASE_ADDR	(MXC91231_AIPS1_BASE_ADDR + 0x0C000)
+#define MXC91231_ETB_SLOT4_BASE_ADDR	(MXC91231_AIPS1_BASE_ADDR + 0x10000)
+#define MXC91231_ETB_SLOT5_BASE_ADDR	(MXC91231_AIPS1_BASE_ADDR + 0x14000)
+#define MXC91231_ECT_CTIO_BASE_ADDR	(MXC91231_AIPS1_BASE_ADDR + 0x18000)
+#define MXC91231_I2C_BASE_ADDR		(MXC91231_AIPS1_BASE_ADDR + 0x80000)
+#define MXC91231_MU_BASE_ADDR		(MXC91231_AIPS1_BASE_ADDR + 0x88000)
+#define MXC91231_UART1_BASE_ADDR	(MXC91231_AIPS1_BASE_ADDR + 0x90000)
+#define MXC91231_UART2_BASE_ADDR	(MXC91231_AIPS1_BASE_ADDR + 0x94000)
+#define MXC91231_DSM_BASE_ADDR		(MXC91231_AIPS1_BASE_ADDR + 0x98000)
+#define MXC91231_OWIRE_BASE_ADDR	(MXC91231_AIPS1_BASE_ADDR + 0x9C000)
+#define MXC91231_SSI1_BASE_ADDR		(MXC91231_AIPS1_BASE_ADDR + 0xA0000)
+#define MXC91231_KPP_BASE_ADDR		(MXC91231_AIPS1_BASE_ADDR + 0xA8000)
+#define MXC91231_IOMUX_AP_BASE_ADDR	(MXC91231_AIPS1_BASE_ADDR + 0xAC000)
+#define MXC91231_CTI_AP_BASE_ADDR	(MXC91231_AIPS1_BASE_ADDR + 0xB8000)
+
+/*
+ * AIPS 2
+ */
+#define MXC91231_AIPS2_BASE_ADDR	0x53F00000
+#define MXC91231_AIPS2_BASE_ADDR_VIRT	0xFC100000
+#define MXC91231_AIPS2_SIZE		SZ_1M
+
+#define MXC91231_GEMK_BASE_ADDR		(MXC91231_AIPS2_BASE_ADDR + 0x8C000)
+#define MXC91231_GPT1_BASE_ADDR		(MXC91231_AIPS2_BASE_ADDR + 0x90000)
+#define MXC91231_EPIT1_AP_BASE_ADDR	(MXC91231_AIPS2_BASE_ADDR + 0x94000)
+#define MXC91231_SCC_BASE_ADDR		(MXC91231_AIPS2_BASE_ADDR + 0xAC000)
+#define MXC91231_RNGA_BASE_ADDR		(MXC91231_AIPS2_BASE_ADDR + 0xB0000)
+#define MXC91231_IPU_CTRL_BASE_ADDR	(MXC91231_AIPS2_BASE_ADDR + 0xC0000)
+#define MXC91231_AUDMUX_BASE_ADDR	(MXC91231_AIPS2_BASE_ADDR + 0xC4000)
+#define MXC91231_EDIO_BASE_ADDR		(MXC91231_AIPS2_BASE_ADDR + 0xC8000)
+#define MXC91231_GPIO1_AP_BASE_ADDR	(MXC91231_AIPS2_BASE_ADDR + 0xCC000)
+#define MXC91231_GPIO2_AP_BASE_ADDR	(MXC91231_AIPS2_BASE_ADDR + 0xD0000)
+#define MXC91231_SDMA_BASE_ADDR		(MXC91231_AIPS2_BASE_ADDR + 0xD4000)
+#define MXC91231_RTC_BASE_ADDR		(MXC91231_AIPS2_BASE_ADDR + 0xD8000)
+#define MXC91231_WDOG1_BASE_ADDR	(MXC91231_AIPS2_BASE_ADDR + 0xDC000)
+#define MXC91231_PWM_BASE_ADDR		(MXC91231_AIPS2_BASE_ADDR + 0xE0000)
+#define MXC91231_GPIO3_AP_BASE_ADDR	(MXC91231_AIPS2_BASE_ADDR + 0xE4000)
+#define MXC91231_WDOG2_BASE_ADDR	(MXC91231_AIPS2_BASE_ADDR + 0xE8000)
+#define MXC91231_RTIC_BASE_ADDR		(MXC91231_AIPS2_BASE_ADDR + 0xEC000)
+#define MXC91231_LPMC_BASE_ADDR		(MXC91231_AIPS2_BASE_ADDR + 0xF0000)
+
+/*
+ * SPBA global module 0
+ */
+#define MXC91231_SPBA0_BASE_ADDR	0x50000000
+#define MXC91231_SPBA0_BASE_ADDR_VIRT	0xFC200000
+#define MXC91231_SPBA0_SIZE		SZ_1M
+
+#define MXC91231_MMC_SDHC1_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x04000)
+#define MXC91231_MMC_SDHC2_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x08000)
+#define MXC91231_UART3_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x0C000)
+#define MXC91231_CSPI2_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x10000)
+#define MXC91231_SSI2_BASE_ADDR		(MXC91231_SPBA0_BASE_ADDR + 0x14000)
+#define MXC91231_SIM_BASE_ADDR		(MXC91231_SPBA0_BASE_ADDR + 0x18000)
+#define MXC91231_IIM_BASE_ADDR		(MXC91231_SPBA0_BASE_ADDR + 0x1C000)
+#define MXC91231_CTI_SDMA_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x20000)
+#define MXC91231_USBOTG_CTRL_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x24000)
+#define MXC91231_USBOTG_DATA_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x28000)
+#define MXC91231_CSPI1_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x30000)
+#define MXC91231_SPBA_CTRL_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x3C000)
+#define MXC91231_IOMUX_COM_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x40000)
+#define MXC91231_CRM_COM_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x44000)
+#define MXC91231_CRM_AP_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x48000)
+#define MXC91231_PLL0_BASE_ADDR		(MXC91231_SPBA0_BASE_ADDR + 0x4C000)
+#define MXC91231_PLL1_BASE_ADDR		(MXC91231_SPBA0_BASE_ADDR + 0x50000)
+#define MXC91231_PLL2_BASE_ADDR		(MXC91231_SPBA0_BASE_ADDR + 0x54000)
+#define MXC91231_GPIO4_SH_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x58000)
+#define MXC91231_HAC_BASE_ADDR		(MXC91231_SPBA0_BASE_ADDR + 0x5C000)
+#define MXC91231_SAHARA_BASE_ADDR	(MXC91231_SPBA0_BASE_ADDR + 0x5C000)
+#define MXC91231_PLL3_BASE_ADDR		(MXC91231_SPBA0_BASE_ADDR + 0x60000)
+
+/*
+ * SPBA global module 1
+ */
+#define MXC91231_SPBA1_BASE_ADDR	0x52000000
+#define MXC91231_SPBA1_BASE_ADDR_VIRT	0xFC300000
+#define MXC91231_SPBA1_SIZE		SZ_1M
+
+#define MXC91231_MQSPI_BASE_ADDR	(MXC91231_SPBA1_BASE_ADDR + 0x34000)
+#define MXC91231_EL1T_BASE_ADDR		(MXC91231_SPBA1_BASE_ADDR + 0x38000)
+
+/*!
+ * Defines for SPBA modules
+ */
+#define MXC91231_SPBA_SDHC1		0x04
+#define MXC91231_SPBA_SDHC2		0x08
+#define MXC91231_SPBA_UART3		0x0C
+#define MXC91231_SPBA_CSPI2		0x10
+#define MXC91231_SPBA_SSI2		0x14
+#define MXC91231_SPBA_SIM		0x18
+#define MXC91231_SPBA_IIM		0x1C
+#define MXC91231_SPBA_CTI_SDMA		0x20
+#define MXC91231_SPBA_USBOTG_CTRL_REGS	0x24
+#define MXC91231_SPBA_USBOTG_DATA_REGS	0x28
+#define MXC91231_SPBA_CSPI1		0x30
+#define MXC91231_SPBA_MQSPI		0x34
+#define MXC91231_SPBA_EL1T		0x38
+#define MXC91231_SPBA_IOMUX		0x40
+#define MXC91231_SPBA_CRM_COM		0x44
+#define MXC91231_SPBA_CRM_AP		0x48
+#define MXC91231_SPBA_PLL0		0x4C
+#define MXC91231_SPBA_PLL1		0x50
+#define MXC91231_SPBA_PLL2		0x54
+#define MXC91231_SPBA_GPIO4		0x58
+#define MXC91231_SPBA_SAHARA		0x5C
+
+/*
+ * ROMP and AVIC
+ */
+#define MXC91231_ROMP_BASE_ADDR		0x60000000
+#define MXC91231_ROMP_BASE_ADDR_VIRT	0xFC400000
+#define MXC91231_ROMP_SIZE		SZ_64K
+
+#define MXC91231_AVIC_BASE_ADDR		0x68000000
+#define MXC91231_AVIC_BASE_ADDR_VIRT	0xFC410000
+#define MXC91231_AVIC_SIZE		SZ_64K
+
+/*
+ * NAND, SDRAM, WEIM, M3IF, EMI controllers
+ */
+#define MXC91231_X_MEMC_BASE_ADDR	0xB8000000
+#define MXC91231_X_MEMC_BASE_ADDR_VIRT	0xFC420000
+#define MXC91231_X_MEMC_SIZE		SZ_64K
+
+#define MXC91231_NFC_BASE_ADDR		(MXC91231_X_MEMC_BASE_ADDR + 0x0000)
+#define MXC91231_ESDCTL_BASE_ADDR	(MXC91231_X_MEMC_BASE_ADDR + 0x1000)
+#define MXC91231_WEIM_BASE_ADDR		(MXC91231_X_MEMC_BASE_ADDR + 0x2000)
+#define MXC91231_M3IF_BASE_ADDR		(MXC91231_X_MEMC_BASE_ADDR + 0x3000)
+#define MXC91231_EMI_CTL_BASE_ADDR	(MXC91231_X_MEMC_BASE_ADDR + 0x4000)
+
+/*
+ * Memory regions and CS
+ * CPLD is connected on CS4
+ * CS5 is TP1021 or it is not connected
+ * */
+#define MXC91231_FB_RAM_BASE_ADDR	0x78000000
+#define MXC91231_FB_RAM_SIZE		SZ_256K
+#define MXC91231_CSD0_BASE_ADDR		0x80000000
+#define MXC91231_CSD1_BASE_ADDR		0x90000000
+#define MXC91231_CS0_BASE_ADDR		0xA0000000
+#define MXC91231_CS1_BASE_ADDR		0xA8000000
+#define MXC91231_CS2_BASE_ADDR		0xB0000000
+#define MXC91231_CS3_BASE_ADDR		0xB2000000
+#define MXC91231_CS4_BASE_ADDR		0xB4000000
+#define MXC91231_CS5_BASE_ADDR		0xB6000000
+
+/* Is given address belongs to the specified memory region? */
+#define ADDRESS_IN_REGION(addr, start, size) \
+	(((addr) >= (start)) && ((addr) < (start)+(size)))
+
+/* Is given address belongs to the specified named `module'? */
+#define MXC91231_IS_MODULE(addr, module) \
+	ADDRESS_IN_REGION(addr, MXC91231_ ## module ## _BASE_ADDR, \
+	                        MXC91231_ ## 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 MXC91231_IO_ADDRESS(x) \
+	(void __iomem *) \
+	(MXC91231_IS_MODULE(x, L2CC) ? MXC91231_L2CC_IO_ADDRESS(x) : \
+	 MXC91231_IS_MODULE(x, AIPS1) ? MXC91231_AIPS1_IO_ADDRESS(x) : \
+	 MXC91231_IS_MODULE(x, AIPS2) ? MXC91231_AIPS2_IO_ADDRESS(x) : \
+	 MXC91231_IS_MODULE(x, SPBA0) ? MXC91231_SPBA0_IO_ADDRESS(x) : \
+	 MXC91231_IS_MODULE(x, SPBA1) ? MXC91231_SPBA1_IO_ADDRESS(x) : \
+	 MXC91231_IS_MODULE(x, ROMP) ? MXC91231_ROMP_IO_ADDRESS(x) : \
+	 MXC91231_IS_MODULE(x, AVIC) ? MXC91231_AVIC_IO_ADDRESS(x) : \
+	 MXC91231_IS_MODULE(x, X_MEMC) ? MXC91231_X_MEMC_IO_ADDRESS(x) : \
+	 0xDEADBEEF)
+
+
+/*
+ * define the address mapping macros: in physical address order
+ */
+#define MXC91231_L2CC_IO_ADDRESS(x)  \
+	(((x) - MXC91231_L2CC_BASE_ADDR) + MXC91231_L2CC_BASE_ADDR_VIRT)
+
+#define MXC91231_AIPS1_IO_ADDRESS(x)  \
+	(((x) - MXC91231_AIPS1_BASE_ADDR) + MXC91231_AIPS1_BASE_ADDR_VIRT)
+
+#define MXC91231_SPBA0_IO_ADDRESS(x)  \
+	(((x) - MXC91231_SPBA0_BASE_ADDR) + MXC91231_SPBA0_BASE_ADDR_VIRT)
+
+#define MXC91231_SPBA1_IO_ADDRESS(x)  \
+	(((x) - MXC91231_SPBA1_BASE_ADDR) + MXC91231_SPBA1_BASE_ADDR_VIRT)
+
+#define MXC91231_AIPS2_IO_ADDRESS(x)  \
+	(((x) - MXC91231_AIPS2_BASE_ADDR) + MXC91231_AIPS2_BASE_ADDR_VIRT)
+
+#define MXC91231_ROMP_IO_ADDRESS(x)  \
+	(((x) - MXC91231_ROMP_BASE_ADDR) + MXC91231_ROMP_BASE_ADDR_VIRT)
+
+#define MXC91231_AVIC_IO_ADDRESS(x)  \
+	(((x) - MXC91231_AVIC_BASE_ADDR) + MXC91231_AVIC_BASE_ADDR_VIRT)
+
+#define MXC91231_X_MEMC_IO_ADDRESS(x)  \
+	(((x) - MXC91231_X_MEMC_BASE_ADDR) + MXC91231_X_MEMC_BASE_ADDR_VIRT)
+
+/*
+ * Interrupt numbers
+ */
+#define MXC91231_INT_GPIO3		0
+#define MXC91231_INT_EL1T_CI		1
+#define MXC91231_INT_EL1T_RFCI		2
+#define MXC91231_INT_EL1T_RFI		3
+#define MXC91231_INT_EL1T_MCU		4
+#define MXC91231_INT_EL1T_IPI		5
+#define MXC91231_INT_MU_GEN		6
+#define MXC91231_INT_GPIO4		7
+#define MXC91231_INT_MMC_SDHC2		8
+#define MXC91231_INT_MMC_SDHC1		9
+#define MXC91231_INT_I2C		10
+#define MXC91231_INT_SSI2		11
+#define MXC91231_INT_SSI1		12
+#define MXC91231_INT_CSPI2		13
+#define MXC91231_INT_CSPI1		14
+#define MXC91231_INT_RTIC		15
+#define MXC91231_INT_SAHARA		15
+#define MXC91231_INT_HAC		15
+#define MXC91231_INT_UART3_RX		16
+#define MXC91231_INT_UART3_TX		17
+#define MXC91231_INT_UART3_MINT		18
+#define MXC91231_INT_ECT		19
+#define MXC91231_INT_SIM_IPB		20
+#define MXC91231_INT_SIM_DATA		21
+#define MXC91231_INT_RNGA		22
+#define MXC91231_INT_DSM_AP		23
+#define MXC91231_INT_KPP		24
+#define MXC91231_INT_RTC		25
+#define MXC91231_INT_PWM		26
+#define MXC91231_INT_GEMK_AP		27
+#define MXC91231_INT_EPIT		28
+#define MXC91231_INT_GPT		29
+#define MXC91231_INT_UART2_RX		30
+#define MXC91231_INT_UART2_TX		31
+#define MXC91231_INT_UART2_MINT		32
+#define MXC91231_INT_NANDFC		33
+#define MXC91231_INT_SDMA		34
+#define MXC91231_INT_USB_WAKEUP		35
+#define MXC91231_INT_USB_SOF		36
+#define MXC91231_INT_PMU_EVTMON		37
+#define MXC91231_INT_USB_FUNC		38
+#define MXC91231_INT_USB_DMA		39
+#define MXC91231_INT_USB_CTRL		40
+#define MXC91231_INT_IPU_ERR		41
+#define MXC91231_INT_IPU_SYN		42
+#define MXC91231_INT_UART1_RX		43
+#define MXC91231_INT_UART1_TX		44
+#define MXC91231_INT_UART1_MINT		45
+#define MXC91231_INT_IIM		46
+#define MXC91231_INT_MU_RX_OR		47
+#define MXC91231_INT_MU_TX_OR		48
+#define MXC91231_INT_SCC_SCM		49
+#define MXC91231_INT_SCC_SMN		50
+#define MXC91231_INT_GPIO2		51
+#define MXC91231_INT_GPIO1		52
+#define MXC91231_INT_MQSPI1		53
+#define MXC91231_INT_MQSPI2		54
+#define MXC91231_INT_WDOG2		55
+#define MXC91231_INT_EXT_INT7		56
+#define MXC91231_INT_EXT_INT6		57
+#define MXC91231_INT_EXT_INT5		58
+#define MXC91231_INT_EXT_INT4		59
+#define MXC91231_INT_EXT_INT3		60
+#define MXC91231_INT_EXT_INT2		61
+#define MXC91231_INT_EXT_INT1		62
+#define MXC91231_INT_EXT_INT0		63
+
+#define MXC91231_MAX_INT_LINES		63
+#define MXC91231_MAX_EXT_LINES		8
+
+#endif /* __MACH_MXC91231_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/system.h b/arch/arm/plat-mxc/include/mach/system.h
index e56241af870e..ef00199568de 100644
--- a/arch/arm/plat-mxc/include/mach/system.h
+++ b/arch/arm/plat-mxc/include/mach/system.h
@@ -21,8 +21,18 @@
 #ifndef __ASM_ARCH_MXC_SYSTEM_H__
 #define __ASM_ARCH_MXC_SYSTEM_H__
 
+#include <mach/hardware.h>
+#include <mach/common.h>
+
 static inline void arch_idle(void)
 {
+#ifdef CONFIG_ARCH_MXC91231
+	if (cpu_is_mxc91231()) {
+		/* Need this to set DSM low-power mode */
+		mxc91231_prepare_idle();
+	}
+#endif
+
 	cpu_do_idle();
 }
 
diff --git a/arch/arm/plat-mxc/include/mach/timex.h b/arch/arm/plat-mxc/include/mach/timex.h
index 0707b7d5b5ce..527a6c24788e 100644
--- a/arch/arm/plat-mxc/include/mach/timex.h
+++ b/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_MXC91231
+#define CLOCK_TICK_RATE		13000000
 #endif
 
 #endif				/* __ASM_ARCH_MXC_TIMEX_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
index 1e24499f20b5..082a3908256b 100644
--- a/arch/arm/plat-mxc/include/mach/uncompress.h
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -66,6 +66,7 @@ static void putc(int ch)
 #define MX25_UART1_BASE_ADDR	0x43f90000
 #define MX2X_UART1_BASE_ADDR	0x1000a000
 #define MX3X_UART1_BASE_ADDR	0x43F90000
+#define MX3X_UART2_BASE_ADDR	0x43F94000
 
 static __inline__ void __arch_decomp_setup(unsigned long arch_id)
 {
@@ -95,6 +96,9 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id)
 	case MACH_TYPE_PCM043:
 		uart_base = MX3X_UART1_BASE_ADDR;
 		break;
+	case MACH_TYPE_MAGX_ZN5:
+		uart_base = MX3X_UART2_BASE_ADDR;
+		break;
 	default:
 		break;
 	}
diff --git a/arch/arm/plat-mxc/system.c b/arch/arm/plat-mxc/system.c
index 15e30532f4a5..97f42799fa58 100644
--- a/arch/arm/plat-mxc/system.c
+++ b/arch/arm/plat-mxc/system.c
@@ -27,6 +27,7 @@
 #include <linux/delay.h>
 
 #include <mach/hardware.h>
+#include <mach/common.h>
 #include <asm/proc-fns.h>
 #include <asm/system.h>
 
@@ -39,6 +40,12 @@ void arch_reset(char mode, const char *cmd)
 {
 	unsigned int wcr_enable;
 
+#ifdef CONFIG_ARCH_MXC91231
+	if (cpu_is_mxc91231()) {
+		mxc91231_arch_reset(mode, cmd);
+		return;
+	}
+#endif
 	if (cpu_is_mx1()) {
 		wcr_enable = (1 << 0);
 	} else {
diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c
index 59e33a3bf7f3..844567ee35fe 100644
--- a/arch/arm/plat-mxc/time.c
+++ b/arch/arm/plat-mxc/time.c
@@ -47,7 +47,7 @@
 #define MX2_TSTAT_CAPT		(1 << 1)
 #define MX2_TSTAT_COMP		(1 << 0)
 
-/* MX31, MX35, MX25 */
+/* MX31, MX35, MX25, MXC91231 */
 #define MX3_TCTL_WAITEN		(1 << 3)
 #define MX3_TCTL_CLK_IPG	(1 << 6)
 #define MX3_TCTL_FRR		(1 << 9)