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)