26 files changed, 446 insertions, 143 deletions

diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index b2a7e3fad117..9cc2b16fdf79 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -6,18 +6,27 @@ choice
         prompt "MXC/iMX Base Type"
         default ARCH_MX3
 
+config ARCH_MX1
+        bool "MX1-based"
+        select CPU_ARM920T
+        help
+          This enables support for systems based on the Freescale i.MX1 family
+
 config ARCH_MX2
         bool "MX2-based"
+        select CPU_ARM926T
         help
           This enables support for systems based on the Freescale i.MX2 family
 
 config ARCH_MX3
         bool "MX3-based"
+        select CPU_V6
         help
           This enables support for systems based on the Freescale i.MX3 family
 
 endchoice
 
+source "arch/arm/mach-mx1/Kconfig"
 source "arch/arm/mach-mx2/Kconfig"
 source "arch/arm/mach-mx3/Kconfig"
 
diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile
index 067556f7c91f..db74a929179d 100644
--- a/arch/arm/plat-mxc/Makefile
+++ b/arch/arm/plat-mxc/Makefile
@@ -5,4 +5,5 @@
 # Common support
 obj-y := irq.o clock.o gpio.o time.o devices.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
diff --git a/arch/arm/plat-mxc/dma-mx1-mx2.c b/arch/arm/plat-mxc/dma-mx1-mx2.c
index b296f19fd89a..2905ec758758 100644
--- a/arch/arm/plat-mxc/dma-mx1-mx2.c
+++ b/arch/arm/plat-mxc/dma-mx1-mx2.c
@@ -34,7 +34,6 @@
 #include <asm/system.h>
 #include <asm/irq.h>
 #include <mach/hardware.h>
-#include <asm/dma.h>
 #include <mach/dma-mx1-mx2.h>
 
 #define DMA_DCR     0x00                /* Control Register */
@@ -114,7 +113,7 @@ struct imx_dma_channel {
         void (*err_handler) (int, void *, int errcode);
         void (*prog_handler) (int, void *, struct scatterlist *);
         void *data;
-        dmamode_t  dma_mode;
+        unsigned int  dma_mode;
         struct scatterlist *sg;
         unsigned int resbytes;
         int dma_num;
@@ -193,7 +192,7 @@ static inline int imx_dma_sg_next(int channel, struct scatterlist *sg)
 int
 imx_dma_setup_single(int channel, dma_addr_t dma_address,
                      unsigned int dma_length, unsigned int dev_addr,
-                     dmamode_t dmamode)
+                     unsigned int dmamode)
 {
         struct imx_dma_channel *imxdma = &imx_dma_channels[channel];
 
@@ -288,7 +287,7 @@ int
 imx_dma_setup_sg(int channel,
                  struct scatterlist *sg, unsigned int sgcount,
                  unsigned int dma_length, unsigned int dev_addr,
-                 dmamode_t dmamode)
+                 unsigned int dmamode)
 {
         struct imx_dma_channel *imxdma = &imx_dma_channels[channel];
 
@@ -512,6 +511,7 @@ void imx_dma_disable(int channel)
 }
 EXPORT_SYMBOL(imx_dma_disable);
 
+#ifdef CONFIG_ARCH_MX2
 static void imx_dma_watchdog(unsigned long chno)
 {
         struct imx_dma_channel *imxdma = &imx_dma_channels[chno];
@@ -523,6 +523,7 @@ static void imx_dma_watchdog(unsigned long chno)
         if (imxdma->err_handler)
                 imxdma->err_handler(chno, imxdma->data, IMX_DMA_ERR_TIMEOUT);
 }
+#endif
 
 static irqreturn_t dma_err_handler(int irq, void *dev_id)
 {
@@ -675,7 +676,7 @@ int imx_dma_request(int channel, const char *name)
 {
         struct imx_dma_channel *imxdma = &imx_dma_channels[channel];
         unsigned long flags;
-        int ret;
+        int ret = 0;
 
         /* basic sanity checks */
         if (!name)
@@ -697,6 +698,7 @@ int imx_dma_request(int channel, const char *name)
         ret = request_irq(MXC_INT_DMACH0 + channel, dma_irq_handler, 0, "DMA",
                         NULL);
         if (ret) {
+                local_irq_restore(flags);
                 printk(KERN_CRIT "Can't register IRQ %d for DMA channel %d\n",
                                 MXC_INT_DMACH0 + channel, channel);
                 return ret;
@@ -713,7 +715,7 @@ int imx_dma_request(int channel, const char *name)
         imxdma->sg = NULL;
 
         local_irq_restore(flags);
-        return 0;
+        return ret;
 }
 EXPORT_SYMBOL(imx_dma_request);
 
diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c
index de5c4747453f..ccbd94adc668 100644
--- a/arch/arm/plat-mxc/gpio.c
+++ b/arch/arm/plat-mxc/gpio.c
@@ -115,8 +115,8 @@ static void mxc_gpio_irq_handler(struct mxc_gpio_port *port, u32 irq_stat)
         }
 }
 
-#ifdef CONFIG_ARCH_MX3
-/* MX3 has one interrupt *per* gpio port */
+#if defined(CONFIG_ARCH_MX3) || defined(CONFIG_ARCH_MX1)
+/* MX1 and MX3 has one interrupt *per* gpio port */
 static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc)
 {
         u32 irq_stat;
@@ -237,7 +237,7 @@ int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt)
                 /* its a serious configuration bug when it fails */
                 BUG_ON( gpiochip_add(&port[i].chip) < 0 );
 
-#ifdef CONFIG_ARCH_MX3
+#if defined(CONFIG_ARCH_MX3) || defined(CONFIG_ARCH_MX1)
                 /* setup one handler for each entry */
                 set_irq_chained_handler(port[i].irq, mx3_gpio_irq_handler);
                 set_irq_data(port[i].irq, &port[i]);
diff --git a/arch/arm/plat-mxc/include/mach/board-mx27ads.h b/arch/arm/plat-mxc/include/mach/board-mx27ads.h
index 61e66dac90ef..8f34a05afc87 100644
--- a/arch/arm/plat-mxc/include/mach/board-mx27ads.h
+++ b/arch/arm/plat-mxc/include/mach/board-mx27ads.h
@@ -15,7 +15,7 @@
 #define __ASM_ARCH_MXC_BOARD_MX27ADS_H__
 
 /* external interrupt multiplexer */
-#define MXC_EXP_IO_BASE         (MXC_GPIO_BASE + MXC_MAX_GPIO_LINES)
+#define MXC_EXP_IO_BASE         (MXC_BOARD_IRQ_START)
 
 #define MXC_VIRTUAL_INTS_BASE   (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES)
 #define MXC_SDIO1_CARD_IRQ      MXC_VIRTUAL_INTS_BASE
@@ -28,11 +28,6 @@
 /*
  * MXC UART EVB board level configurations
  */
-
-#define MXC_LL_EXTUART_PADDR    (CS4_BASE_ADDR + 0x20000)
-#define MXC_LL_EXTUART_VADDR    (CS4_BASE_ADDR_VIRT + 0x20000)
-#define MXC_LL_EXTUART_16BIT_BUS
-
 #define MXC_LL_UART_PADDR       UART1_BASE_ADDR
 #define MXC_LL_UART_VADDR       AIPI_IO_ADDRESS(UART1_BASE_ADDR)
 
diff --git a/arch/arm/plat-mxc/include/mach/board-mx31ads.h b/arch/arm/plat-mxc/include/mach/board-mx31ads.h
index 745b48864f93..451d510d08c3 100644
--- a/arch/arm/plat-mxc/include/mach/board-mx31ads.h
+++ b/arch/arm/plat-mxc/include/mach/board-mx31ads.h
@@ -90,7 +90,7 @@
 #define PBC_INTMASK_CLEAR_REG   (PBC_INTMASK_CLEAR + PBC_BASE_ADDRESS)
 #define EXPIO_PARENT_INT        IOMUX_TO_IRQ(MX31_PIN_GPIO1_4)
 
-#define MXC_EXP_IO_BASE         (MXC_MAX_INT_LINES + MXC_MAX_GPIO_LINES)
+#define MXC_EXP_IO_BASE         (MXC_BOARD_IRQ_START)
 #define MXC_IRQ_TO_EXPIO(irq)   ((irq) - MXC_EXP_IO_BASE)
 
 #define EXPIO_INT_LOW_BAT       (MXC_EXP_IO_BASE + 0)
diff --git a/arch/arm/plat-mxc/include/mach/board-mx31pdk.h b/arch/arm/plat-mxc/include/mach/board-mx31pdk.h
new file mode 100644
index 000000000000..2b6b316d0f51
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/board-mx31pdk.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * 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_MXC_BOARD_MX31PDK_H__
+#define __ASM_ARCH_MXC_BOARD_MX31PDK_H__
+
+/* mandatory for CONFIG_LL_DEBUG */
+
+#define MXC_LL_UART_PADDR       UART1_BASE_ADDR
+#define MXC_LL_UART_VADDR       AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
+
+#endif /* __ASM_ARCH_MXC_BOARD_MX31PDK_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index b9907bebba3b..602768b427e2 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -28,6 +28,9 @@
 #ifdef CONFIG_MACH_PCM038
 #include <mach/board-pcm038.h>
 #endif
+#ifdef CONFIG_MACH_MX31_3DS
+#include <mach/board-mx31pdk.h>
+#endif
                 .macro  addruart,rx
                 mrc     p15, 0, \rx, c1, c0
                 tst     \rx, #1                 @ MMU enabled?
diff --git a/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h b/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h
index e85fd946116c..b3876cc238ca 100644
--- a/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h
+++ b/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h
@@ -22,13 +22,15 @@
  * MA 02110-1301, USA.
  */
 
-#include <asm/dma.h>
-
 #ifndef __ASM_ARCH_MXC_DMA_H
 #define __ASM_ARCH_MXC_DMA_H
 
 #define IMX_DMA_CHANNELS  16
 
+#define DMA_MODE_READ           0
+#define DMA_MODE_WRITE          1
+#define DMA_MODE_MASK           1
+
 #define DMA_BASE IO_ADDRESS(DMA_BASE_ADDR)
 
 #define IMX_DMA_MEMSIZE_32      (0 << 4)
@@ -54,12 +56,12 @@ imx_dma_config_burstlen(int channel, unsigned int burstlen);
 int
 imx_dma_setup_single(int channel, dma_addr_t dma_address,
                 unsigned int dma_length, unsigned int dev_addr,
-                dmamode_t dmamode);
+                unsigned int dmamode);
 
 int
 imx_dma_setup_sg(int channel, struct scatterlist *sg,
                 unsigned int sgcount, unsigned int dma_length,
-                unsigned int dev_addr, dmamode_t dmamode);
+                unsigned int dev_addr, unsigned int dmamode);
 
 int
 imx_dma_setup_handlers(int channel,
diff --git a/arch/arm/plat-mxc/include/mach/dma.h b/arch/arm/plat-mxc/include/mach/dma.h
deleted file mode 100644
index c822d569a05e..000000000000
--- a/arch/arm/plat-mxc/include/mach/dma.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
- */
-
-/*
- * 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_MXC_DMA_H__
-#define __ASM_ARCH_MXC_DMA_H__
-
-#endif
diff --git a/arch/arm/plat-mxc/include/mach/entry-macro.S b/arch/arm/plat-mxc/include/mach/entry-macro.S
index 11632028f7d1..5f01d60da845 100644
--- a/arch/arm/plat-mxc/include/mach/entry-macro.S
+++ b/arch/arm/plat-mxc/include/mach/entry-macro.S
@@ -9,6 +9,8 @@
  * published by the Free Software Foundation.
  */
 
+#include <mach/hardware.h>
+
 #define AVIC_NIMASK     0x04
 
         @ this macro disables fast irq (not implemented)
diff --git a/arch/arm/plat-mxc/include/mach/gpio.h b/arch/arm/plat-mxc/include/mach/gpio.h
index 65eedc0d196f..ea509f1090fb 100644
--- a/arch/arm/plat-mxc/include/mach/gpio.h
+++ b/arch/arm/plat-mxc/include/mach/gpio.h
@@ -27,8 +27,8 @@
 #define gpio_set_value          __gpio_set_value
 #define gpio_cansleep           __gpio_cansleep
 
-#define gpio_to_irq(gpio)       (MXC_MAX_INT_LINES + (gpio))
-#define irq_to_gpio(irq)        ((irq) - MXC_MAX_INT_LINES)
+#define gpio_to_irq(gpio)       (MXC_GPIO_IRQ_START + (gpio))
+#define irq_to_gpio(irq)        ((irq) - MXC_GPIO_IRQ_START)
 
 struct mxc_gpio_port {
         void __iomem *base;
diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h
index 3caadeeda701..a612d8bb73c8 100644
--- a/arch/arm/plat-mxc/include/mach/hardware.h
+++ b/arch/arm/plat-mxc/include/mach/hardware.h
@@ -32,6 +32,10 @@
 # endif
 #endif
 
+#ifdef CONFIG_ARCH_MX1
+# include <mach/mx1.h>
+#endif
+
 #include <mach/mxc.h>
 
 #endif /* __ASM_ARCH_MXC_HARDWARE_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h
index 5d4cb1196441..b4f2de769466 100644
--- a/arch/arm/plat-mxc/include/mach/io.h
+++ b/arch/arm/plat-mxc/include/mach/io.h
@@ -25,8 +25,8 @@ __mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
                 /* Access all peripherals below 0x80000000 as nonshared device
                  * but leave l2cc alone.
                  */
-                if ((phys_addr < 0x80000000) && ((phys_addr < L2CC_BASE_ADDR) ||
-                        (phys_addr >= L2CC_BASE_ADDR + L2CC_SIZE)))
+                if ((phys_addr < 0x80000000) && ((phys_addr < 0x30000000) ||
+                        (phys_addr >= 0x30000000 + SZ_1M)))
                         mtype = MT_DEVICE_NONSHARED;
         }
 
@@ -35,8 +35,8 @@ __mx3_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
 #endif
 
 /* io address mapping macro */
-#define __io(a)                 ((void __iomem *)(a))
+#define __io(a)         __typesafe_io(a)
 
-#define __mem_pci(a)            (a)
+#define __mem_pci(a)    (a)
 
 #endif
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h b/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h
index 3d09bfd6c53d..95a383be628e 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h
@@ -21,12 +21,6 @@
 
 #include <linux/io.h>
 
-#define MXC_GPIO_ALLOC_MODE_NORMAL      0
-#define MXC_GPIO_ALLOC_MODE_NO_ALLOC    1
-#define MXC_GPIO_ALLOC_MODE_TRY_ALLOC   2
-#define MXC_GPIO_ALLOC_MODE_ALLOC_ONLY  4
-#define MXC_GPIO_ALLOC_MODE_RELEASE     8
-
 /*
  *  GPIO Module and I/O Multiplexer
  *  x = 0..3 for reg_A, reg_B, reg_C, reg_D
@@ -103,7 +97,8 @@
 
 extern void mxc_gpio_mode(int gpio_mode);
 extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
-                                        int alloc_mode, const char *label);
+                                        const char *label);
+extern void mxc_gpio_release_multiple_pins(const int *pin_list, int count);
 
 /*-------------------------------------------------------------------------*/
 
@@ -113,9 +108,9 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
  * missing on some (many) pins
  */
 #ifdef CONFIG_ARCH_MX1
-#define PA0_AIN_SPI2_CLK     (GPIO_GIUS | GPIO_PORTA | GPIO_OUT | 0)
+#define PA0_AIN_SPI2_CLK     (GPIO_PORTA | GPIO_OUT | 0)
 #define PA0_AF_ETMTRACESYNC  (GPIO_PORTA | GPIO_AF | 0)
-#define PA1_AOUT_SPI2_RXD    (GPIO_GIUS | GPIO_PORTA | GPIO_IN | 1)
+#define PA1_AOUT_SPI2_RXD    (GPIO_PORTA | GPIO_IN | 1)
 #define PA1_PF_TIN           (GPIO_PORTA | GPIO_PF | 1)
 #define PA2_PF_PWM0          (GPIO_PORTA | GPIO_OUT | GPIO_PF | 2)
 #define PA3_PF_CSI_MCLK      (GPIO_PORTA | GPIO_PF | 3)
@@ -133,7 +128,7 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #define PA15_PF_I2C_SDA      (GPIO_PORTA | GPIO_OUT | GPIO_PF | 15)
 #define PA16_PF_I2C_SCL      (GPIO_PORTA | GPIO_OUT | GPIO_PF | 16)
 #define PA17_AF_ETMTRACEPKT4 (GPIO_PORTA | GPIO_AF | 17)
-#define PA17_AIN_SPI2_SS     (GPIO_GIUS | GPIO_PORTA | GPIO_OUT | 17)
+#define PA17_AIN_SPI2_SS     (GPIO_PORTA | GPIO_OUT | 17)
 #define PA18_AF_ETMTRACEPKT5 (GPIO_PORTA | GPIO_AF | 18)
 #define PA19_AF_ETMTRACEPKT6 (GPIO_PORTA | GPIO_AF | 19)
 #define PA20_AF_ETMTRACEPKT7 (GPIO_PORTA | GPIO_AF | 20)
@@ -201,27 +196,27 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #define PC15_PF_SPI1_SS      (GPIO_PORTC | GPIO_PF | 15)
 #define PC16_PF_SPI1_MISO    (GPIO_PORTC | GPIO_PF | 16)
 #define PC17_PF_SPI1_MOSI    (GPIO_PORTC | GPIO_PF | 17)
-#define PC24_BIN_UART3_RI    (GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 24)
-#define PC25_BIN_UART3_DSR   (GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 25)
-#define PC26_AOUT_UART3_DTR  (GPIO_GIUS | GPIO_PORTC | GPIO_IN | 26)
-#define PC27_BIN_UART3_DCD   (GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 27)
-#define PC28_BIN_UART3_CTS   (GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 28)
-#define PC29_AOUT_UART3_RTS  (GPIO_GIUS | GPIO_PORTC | GPIO_IN | 29)
-#define PC30_BIN_UART3_TX    (GPIO_GIUS | GPIO_PORTC | GPIO_BIN | 30)
-#define PC31_AOUT_UART3_RX   (GPIO_GIUS | GPIO_PORTC | GPIO_IN | 31)
+#define PC24_BIN_UART3_RI    (GPIO_PORTC | GPIO_OUT | GPIO_BIN | 24)
+#define PC25_BIN_UART3_DSR   (GPIO_PORTC | GPIO_OUT | GPIO_BIN | 25)
+#define PC26_AOUT_UART3_DTR  (GPIO_PORTC | GPIO_IN | 26)
+#define PC27_BIN_UART3_DCD   (GPIO_PORTC | GPIO_OUT | GPIO_BIN | 27)
+#define PC28_BIN_UART3_CTS   (GPIO_PORTC | GPIO_OUT | GPIO_BIN | 28)
+#define PC29_AOUT_UART3_RTS  (GPIO_PORTC | GPIO_IN | 29)
+#define PC30_BIN_UART3_TX    (GPIO_PORTC | GPIO_BIN | 30)
+#define PC31_AOUT_UART3_RX   (GPIO_PORTC | GPIO_IN | 31)
 #define PD6_PF_LSCLK         (GPIO_PORTD | GPIO_OUT | GPIO_PF | 6)
 #define PD7_PF_REV           (GPIO_PORTD | GPIO_PF | 7)
-#define PD7_AF_UART2_DTR     (GPIO_GIUS | GPIO_PORTD | GPIO_IN | GPIO_AF | 7)
-#define PD7_AIN_SPI2_SCLK    (GPIO_GIUS | GPIO_PORTD | GPIO_AIN | 7)
+#define PD7_AF_UART2_DTR     (GPIO_PORTD | GPIO_IN | GPIO_AF | 7)
+#define PD7_AIN_SPI2_SCLK    (GPIO_PORTD | GPIO_AIN | 7)
 #define PD8_PF_CLS           (GPIO_PORTD | GPIO_PF | 8)
 #define PD8_AF_UART2_DCD     (GPIO_PORTD | GPIO_OUT | GPIO_AF | 8)
-#define PD8_AIN_SPI2_SS      (GPIO_GIUS | GPIO_PORTD | GPIO_AIN | 8)
+#define PD8_AIN_SPI2_SS      (GPIO_PORTD | GPIO_AIN | 8)
 #define PD9_PF_PS            (GPIO_PORTD | GPIO_PF | 9)
 #define PD9_AF_UART2_RI      (GPIO_PORTD | GPIO_OUT | GPIO_AF | 9)
-#define PD9_AOUT_SPI2_RXD    (GPIO_GIUS | GPIO_PORTD | GPIO_IN | 9)
+#define PD9_AOUT_SPI2_RXD    (GPIO_PORTD | GPIO_IN | 9)
 #define PD10_PF_SPL_SPR      (GPIO_PORTD | GPIO_OUT | GPIO_PF | 10)
 #define PD10_AF_UART2_DSR    (GPIO_PORTD | GPIO_OUT | GPIO_AF | 10)
-#define PD10_AIN_SPI2_TXD    (GPIO_GIUS | GPIO_PORTD | GPIO_OUT | 10)
+#define PD10_AIN_SPI2_TXD    (GPIO_PORTD | GPIO_OUT | 10)
 #define PD11_PF_CONTRAST     (GPIO_PORTD | GPIO_OUT | GPIO_PF | 11)
 #define PD12_PF_ACD_OE       (GPIO_PORTD | GPIO_OUT | GPIO_PF | 12)
 #define PD13_PF_LP_HSYNC     (GPIO_PORTD | GPIO_OUT | GPIO_PF | 13)
@@ -243,7 +238,7 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #define PD29_PF_LD14         (GPIO_PORTD | GPIO_OUT | GPIO_PF | 29)
 #define PD30_PF_LD15         (GPIO_PORTD | GPIO_OUT | GPIO_PF | 30)
 #define PD31_PF_TMR2OUT      (GPIO_PORTD | GPIO_PF | 31)
-#define PD31_BIN_SPI2_TXD    (GPIO_GIUS | GPIO_PORTD | GPIO_BIN | 31)
+#define PD31_BIN_SPI2_TXD    (GPIO_PORTD | GPIO_BIN | 31)
 #endif
 
 #ifdef CONFIG_ARCH_MX2
@@ -279,6 +274,12 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #define PA29_PF_VSYNC           (GPIO_PORTA | GPIO_OUT | GPIO_PF | 29)
 #define PA30_PF_CONTRAST        (GPIO_PORTA | GPIO_OUT | GPIO_PF | 30)
 #define PA31_PF_OE_ACD          (GPIO_PORTA | GPIO_OUT | GPIO_PF | 31)
+#define PB4_PF_SD2_D0           (GPIO_PORTB | GPIO_PF |  4)
+#define PB5_PF_SD2_D1           (GPIO_PORTB | GPIO_PF |  5)
+#define PB6_PF_SD2_D2           (GPIO_PORTB | GPIO_PF |  6)
+#define PB7_PF_SD2_D3           (GPIO_PORTB | GPIO_PF |  7)
+#define PB8_PF_SD2_CMD          (GPIO_PORTB | GPIO_PF |  8)
+#define PB9_PF_SD2_CLK          (GPIO_PORTB | GPIO_PF |  9)
 #define PB10_PF_CSI_D0          (GPIO_PORTB | GPIO_OUT | GPIO_PF | 10)
 #define PB10_AF_UART6_TXD       (GPIO_PORTB | GPIO_OUT | GPIO_AF | 10)
 #define PB11_PF_CSI_D1          (GPIO_PORTB | GPIO_OUT | GPIO_PF | 11)
@@ -315,6 +316,13 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #define PB31_AF_UART4_RXD       (GPIO_PORTB | GPIO_IN  | GPIO_AF | 31)
 #define PC5_PF_I2C2_SDA         (GPIO_PORTC | GPIO_IN  | GPIO_PF | 5)
 #define PC6_PF_I2C2_SCL         (GPIO_PORTC | GPIO_IN  | GPIO_PF | 6)
+#define PC7_PF_USBOTG_DATA5     (GPIO_PORTC | GPIO_OUT | GPIO_PF | 7)
+#define PC8_PF_USBOTG_DATA6     (GPIO_PORTC | GPIO_OUT | GPIO_PF | 8)
+#define PC9_PF_USBOTG_DATA0     (GPIO_PORTC | GPIO_OUT | GPIO_PF | 9)
+#define PC10_PF_USBOTG_DATA2    (GPIO_PORTC | GPIO_OUT | GPIO_PF | 10)
+#define PC11_PF_USBOTG_DATA1    (GPIO_PORTC | GPIO_OUT | GPIO_PF | 11)
+#define PC12_PF_USBOTG_DATA4    (GPIO_PORTC | GPIO_OUT | GPIO_PF | 12)
+#define PC13_PF_USBOTG_DATA3    (GPIO_PORTC | GPIO_OUT | GPIO_PF | 13)
 #define PC16_PF_SSI4_FS         (GPIO_PORTC | GPIO_IN  | GPIO_PF | 16)
 #define PC17_PF_SSI4_RXD        (GPIO_PORTC | GPIO_IN  | GPIO_PF | 17)
 #define PC18_PF_SSI4_TXD        (GPIO_PORTC | GPIO_IN  | GPIO_PF | 18)
@@ -365,6 +373,9 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #define PD30_PF_CSPI1_MISO      (GPIO_PORTD | GPIO_IN | GPIO_PF  | 30)
 #define PD31_PF_CSPI1_MOSI      (GPIO_PORTD | GPIO_OUT | GPIO_PF  | 31)
 #define PF23_AIN_FEC_TX_EN      (GPIO_PORTF | GPIO_OUT | GPIO_AIN | 23)
+#define PE0_PF_USBOTG_NXT       (GPIO_PORTE | GPIO_OUT | GPIO_PF | 0)
+#define PE1_PF_USBOTG_STP       (GPIO_PORTE | GPIO_OUT | GPIO_PF | 1)
+#define PE2_PF_USBOTG_DIR       (GPIO_PORTE | GPIO_OUT | GPIO_PF | 2)
 #define PE3_PF_UART2_CTS        (GPIO_PORTE | GPIO_OUT | GPIO_PF | 3)
 #define PE4_PF_UART2_RTS        (GPIO_PORTE | GPIO_IN  | GPIO_PF | 4)
 #define PE6_PF_UART2_TXD        (GPIO_PORTE | GPIO_OUT | GPIO_PF | 6)
@@ -379,18 +390,27 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #define PE15_PF_UART1_RTS       (GPIO_PORTE | GPIO_IN  | GPIO_PF | 15)
 #define PE16_AF_RTCK            (GPIO_PORTE | GPIO_OUT | GPIO_AF | 16)
 #define PE16_PF_RTCK            (GPIO_PORTE | GPIO_OUT | GPIO_PF | 16)
+#define PE18_PF_SDHC1_D0        (GPIO_PORTE | GPIO_PF | 18)
 #define PE18_AF_CSPI3_MISO      (GPIO_PORTE | GPIO_IN  | GPIO_AF | 18)
+#define PE19_PF_SDHC1_D1        (GPIO_PORTE | GPIO_PF | 19)
+#define PE20_PF_SDHC1_D2        (GPIO_PORTE | GPIO_PF | 20)
+#define PE21_PF_SDHC1_D3        (GPIO_PORTE | GPIO_PF | 21)
 #define PE21_AF_CSPI3_SS        (GPIO_PORTE | GPIO_OUT | GPIO_AF | 21)
+#define PE22_PF_SDHC1_CMD       (GPIO_PORTE | GPIO_PF | 22)
 #define PE22_AF_CSPI3_MOSI      (GPIO_PORTE | GPIO_OUT | GPIO_AF | 22)
+#define PE22_PF_SDHC1_CLK       (GPIO_PORTE | GPIO_PF | 23)
 #define PE23_AF_CSPI3_SCLK      (GPIO_PORTE | GPIO_OUT | GPIO_AF | 23)
+#define PE24_PF_USBOTG_CLK      (GPIO_PORTE | GPIO_OUT | GPIO_PF | 24)
+#define PE25_PF_USBOTG_DATA7    (GPIO_PORTE | GPIO_OUT | GPIO_PF | 25)
 #endif
 
 /* decode irq number to use with IMR(x), ISR(x) and friends */
-#define IRQ_TO_REG(irq) ((irq - MXC_MAX_INT_LINES) >> 5)
+#define IRQ_TO_REG(irq) ((irq - MXC_INTERNAL_IRQS) >> 5)
 
-#define IRQ_GPIOA(x)  (MXC_MAX_INT_LINES + x)
+#define IRQ_GPIOA(x)  (MXC_GPIO_IRQ_START + x)
 #define IRQ_GPIOB(x)  (IRQ_GPIOA(32) + x)
 #define IRQ_GPIOC(x)  (IRQ_GPIOB(32) + x)
 #define IRQ_GPIOD(x)  (IRQ_GPIOC(32) + x)
+#define IRQ_GPIOE(x)  (IRQ_GPIOD(32) + x)
 
 #endif /* _MXC_GPIO_MX1_MX2_H */
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx3.h b/arch/arm/plat-mxc/include/mach/iomux-mx3.h
index c9f39c2fb8c6..c9198c0aea18 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx3.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx3.h
@@ -141,7 +141,7 @@ void mxc_iomux_set_gpr(enum iomux_gp_func, bool);
         ((iomux_pin & IOMUX_GPIONUM_MASK) >> IOMUX_GPIONUM_SHIFT)
 #define IOMUX_TO_IRQ(iomux_pin) \
         (((iomux_pin & IOMUX_GPIONUM_MASK) >> IOMUX_GPIONUM_SHIFT) + \
-        MXC_GPIO_INT_BASE)
+        MXC_GPIO_IRQ_START)
 
 /*
  * This enumeration is constructed based on the Section
@@ -491,6 +491,14 @@ enum iomux_pins {
 #define MX31_PIN_RTS1__RTS1             IOMUX_MODE(MX31_PIN_RTS1, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_TXD1__TXD1             IOMUX_MODE(MX31_PIN_TXD1, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_RXD1__RXD1             IOMUX_MODE(MX31_PIN_RXD1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CTS2__CTS2             IOMUX_MODE(MX31_PIN_CTS2, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_RTS2__RTS2             IOMUX_MODE(MX31_PIN_RTS2, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_TXD2__TXD2             IOMUX_MODE(MX31_PIN_TXD2, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_RXD2__RXD2             IOMUX_MODE(MX31_PIN_RXD2, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_PC_RST__CTS5           IOMUX_MODE(MX31_PIN_PC_RST, IOMUX_CONFIG_ALT2)
+#define MX31_PIN_PC_VS2__RTS5           IOMUX_MODE(MX31_PIN_PC_VS2, IOMUX_CONFIG_ALT2)
+#define MX31_PIN_PC_BVD2__TXD5          IOMUX_MODE(MX31_PIN_PC_BVD2, IOMUX_CONFIG_ALT2)
+#define MX31_PIN_PC_BVD1__RXD5          IOMUX_MODE(MX31_PIN_PC_BVD1, IOMUX_CONFIG_ALT2)
 #define MX31_PIN_CSPI1_MOSI__MOSI       IOMUX_MODE(MX31_PIN_CSPI1_MOSI, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_CSPI1_MISO__MISO       IOMUX_MODE(MX31_PIN_CSPI1_MISO, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_CSPI1_SCLK__SCLK       IOMUX_MODE(MX31_PIN_CSPI1_SCLK, IOMUX_CONFIG_FUNC)
@@ -509,6 +517,15 @@ enum iomux_pins {
 #define MX31_PIN_CSPI3_MISO__MISO       IOMUX_MODE(MX31_PIN_CSPI3_MISO, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_CSPI3_SCLK__SCLK       IOMUX_MODE(MX31_PIN_CSPI3_SCLK, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_CSPI3_SPI_RDY__SPI_RDY IOMUX_MODE(MX31_PIN_CSPI3_SPI_RDY, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_BATT_LINE__OWIRE       IOMUX_MODE(MX31_PIN_BATT_LINE, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CS4__CS4               IOMUX_MODE(MX31_PIN_CS4, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_SD1_DATA3__SD1_DATA3   IOMUX_MODE(MX31_PIN_SD1_DATA3, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_SD1_DATA2__SD1_DATA2   IOMUX_MODE(MX31_PIN_SD1_DATA2, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_SD1_DATA1__SD1_DATA1   IOMUX_MODE(MX31_PIN_SD1_DATA1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_SD1_DATA0__SD1_DATA0   IOMUX_MODE(MX31_PIN_SD1_DATA0, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_SD1_CLK__SD1_CLK       IOMUX_MODE(MX31_PIN_SD1_CLK, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_SD1_CMD__SD1_CMD       IOMUX_MODE(MX31_PIN_SD1_CMD, IOMUX_CONFIG_FUNC)
+
 /*XXX: The SS0, SS1, SS2, SS3 lines of spi3 are multiplexed by cspi2_ss0, cspi2_ss1, cspi1_ss0
  * cspi1_ss1*/
 
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
index b55bba35e18a..e06d3cb0ee11 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -11,7 +11,37 @@
 #ifndef __ASM_ARCH_MXC_IRQS_H__
 #define __ASM_ARCH_MXC_IRQS_H__
 
-#include <mach/hardware.h>
+/*
+ * So far all i.MX SoCs have 64 internal interrupts
+ */
+#define MXC_INTERNAL_IRQS       64
+
+#define MXC_GPIO_IRQ_START      MXC_INTERNAL_IRQS
+
+#if defined CONFIG_ARCH_MX1
+#define MXC_GPIO_IRQS           (32 * 4)
+#elif defined CONFIG_ARCH_MX2
+#define MXC_GPIO_IRQS           (32 * 6)
+#elif defined CONFIG_ARCH_MX3
+#define MXC_GPIO_IRQS           (32 * 3)
+#endif
+
+/*
+ * The next 16 interrupts are for board specific purposes.  Since
+ * the kernel can only run on one machine at a time, we can re-use
+ * these.  If you need more, increase MXC_BOARD_IRQS, but keep it
+ * within sensible limits.
+ */
+#define MXC_BOARD_IRQ_START     (MXC_INTERNAL_IRQS + MXC_GPIO_IRQS)
+#define MXC_BOARD_IRQS  16
+
+#define NR_IRQS         (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS)
+
 extern void imx_irq_set_priority(unsigned char irq, unsigned char prio);
 
+/* all normal IRQs can be FIQs */
+#define FIQ_START       0
+/* switch betwean IRQ and FIQ */
+extern int mxc_set_irq_fiq(unsigned int irq, unsigned int type);
+
 #endif /* __ASM_ARCH_MXC_IRQS_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h
index d7a8d3ebed57..0b808399097f 100644
--- a/arch/arm/plat-mxc/include/mach/memory.h
+++ b/arch/arm/plat-mxc/include/mach/memory.h
@@ -11,19 +11,12 @@
 #ifndef __ASM_ARCH_MXC_MEMORY_H__
 #define __ASM_ARCH_MXC_MEMORY_H__
 
-#include <mach/hardware.h>
-
-/*
- * Virtual view <-> DMA view memory address translations
- * This macro is used to translate the virtual address to an address
- * suitable to be passed to set_dma_addr()
- */
-#define __virt_to_bus(a)        __virt_to_phys(a)
-
-/*
- * Used to convert an address for DMA operations to an address that the
- * kernel can use.
- */
-#define __bus_to_virt(a)        __phys_to_virt(a)
+#if defined CONFIG_ARCH_MX1
+#define PHYS_OFFSET             UL(0x08000000)
+#elif defined CONFIG_ARCH_MX2
+#define PHYS_OFFSET             UL(0xA0000000)
+#elif defined CONFIG_ARCH_MX3
+#define PHYS_OFFSET             UL(0x80000000)
+#endif
 
 #endif /* __ASM_ARCH_MXC_MEMORY_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mtd-xip.h b/arch/arm/plat-mxc/include/mach/mtd-xip.h
new file mode 100644
index 000000000000..1ab1bba5688d
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mtd-xip.h
@@ -0,0 +1,34 @@
+/*
+ * MTD primitives for XIP support. Architecture specific functions
+ *
+ * Do not include this file directly. It's included from linux/mtd/xip.h
+ *
+ * Copyright (C) 2008 Darius Augulis <augulis.darius@gmail.com>, Teltonika, Inc.
+ *
+ * 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 <mach/mxc_timer.h>
+
+#ifndef __ARCH_IMX_MTD_XIP_H__
+#define __ARCH_IMX_MTD_XIP_H__
+
+#ifdef CONFIG_ARCH_MX1
+/* AITC registers */
+#define AITC_BASE       IO_ADDRESS(AVIC_BASE_ADDR)
+#define NIPNDH          (AITC_BASE + 0x58)
+#define NIPNDL          (AITC_BASE + 0x5C)
+#define INTENABLEH      (AITC_BASE + 0x10)
+#define INTENABLEL      (AITC_BASE + 0x14)
+/* MTD macros */
+#define xip_irqpending() ((__raw_readl(INTENABLEH) &  __raw_readl(NIPNDH)) \
+                        || (__raw_readl(INTENABLEL) &  __raw_readl(NIPNDL)))
+#define xip_currtime()          (__raw_readl(TIMER_BASE + MXC_TCN))
+#define xip_elapsed_since(x)    (signed)((__raw_readl(TIMER_BASE + MXC_TCN) - (x)) / 96)
+#define xip_cpu_idle()          asm volatile ("mcr p15, 0, %0, c7, c0, 4" :: "r" (0))
+#endif /* CONFIG_ARCH_MX1 */
+
+#endif /* __ARCH_IMX_MTD_XIP_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx1.h b/arch/arm/plat-mxc/include/mach/mx1.h
new file mode 100644
index 000000000000..b92e02324d8e
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mx1.h
@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) 1997,1998 Russell King
+ * Copyright (C) 1999 ARM Limited
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (c) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * 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_MXC_MX1_H__
+#define __ASM_ARCH_MXC_MX1_H__
+
+#ifndef __ASM_ARCH_MXC_HARDWARE_H__
+#error "Do not include directly."
+#endif
+
+#include <mach/vmalloc.h>
+
+/*
+ * Memory map
+ */
+#define IMX_IO_PHYS     0x00200000
+#define IMX_IO_SIZE     0x00100000
+#define IMX_IO_BASE     VMALLOC_END
+
+#define IMX_CS0_PHYS    0x10000000
+#define IMX_CS0_SIZE    0x02000000
+
+#define IMX_CS1_PHYS    0x12000000
+#define IMX_CS1_SIZE    0x01000000
+
+#define IMX_CS2_PHYS    0x13000000
+#define IMX_CS2_SIZE    0x01000000
+
+#define IMX_CS3_PHYS    0x14000000
+#define IMX_CS3_SIZE    0x01000000
+
+#define IMX_CS4_PHYS    0x15000000
+#define IMX_CS4_SIZE    0x01000000
+
+#define IMX_CS5_PHYS    0x16000000
+#define IMX_CS5_SIZE    0x01000000
+
+/*
+ *  Register BASEs, based on OFFSETs
+ */
+#define AIPI1_BASE_ADDR         (0x00000 + IMX_IO_PHYS)
+#define WDT_BASE_ADDR           (0x01000 + IMX_IO_PHYS)
+#define TIM1_BASE_ADDR          (0x02000 + IMX_IO_PHYS)
+#define TIM2_BASE_ADDR          (0x03000 + IMX_IO_PHYS)
+#define RTC_BASE_ADDR           (0x04000 + IMX_IO_PHYS)
+#define LCDC_BASE_ADDR          (0x05000 + IMX_IO_PHYS)
+#define UART1_BASE_ADDR         (0x06000 + IMX_IO_PHYS)
+#define UART2_BASE_ADDR         (0x07000 + IMX_IO_PHYS)
+#define PWM_BASE_ADDR           (0x08000 + IMX_IO_PHYS)
+#define DMA_BASE_ADDR           (0x09000 + IMX_IO_PHYS)
+#define AIPI2_BASE_ADDR         (0x10000 + IMX_IO_PHYS)
+#define SIM_BASE_ADDR           (0x11000 + IMX_IO_PHYS)
+#define USBD_BASE_ADDR          (0x12000 + IMX_IO_PHYS)
+#define SPI1_BASE_ADDR          (0x13000 + IMX_IO_PHYS)
+#define MMC_BASE_ADDR           (0x14000 + IMX_IO_PHYS)
+#define ASP_BASE_ADDR           (0x15000 + IMX_IO_PHYS)
+#define BTA_BASE_ADDR           (0x16000 + IMX_IO_PHYS)
+#define I2C_BASE_ADDR           (0x17000 + IMX_IO_PHYS)
+#define SSI_BASE_ADDR           (0x18000 + IMX_IO_PHYS)
+#define SPI2_BASE_ADDR          (0x19000 + IMX_IO_PHYS)
+#define MSHC_BASE_ADDR          (0x1A000 + IMX_IO_PHYS)
+#define CCM_BASE_ADDR           (0x1B000 + IMX_IO_PHYS)
+#define SCM_BASE_ADDR           (0x1B804 + IMX_IO_PHYS)
+#define GPIO_BASE_ADDR          (0x1C000 + IMX_IO_PHYS)
+#define EIM_BASE_ADDR           (0x20000 + IMX_IO_PHYS)
+#define SDRAMC_BASE_ADDR        (0x21000 + IMX_IO_PHYS)
+#define MMA_BASE_ADDR           (0x22000 + IMX_IO_PHYS)
+#define AVIC_BASE_ADDR          (0x23000 + IMX_IO_PHYS)
+#define CSI_BASE_ADDR           (0x24000 + IMX_IO_PHYS)
+
+/* macro to get at IO space when running virtually */
+#define IO_ADDRESS(x)   ((x) - IMX_IO_PHYS + IMX_IO_BASE)
+
+/* define macros needed for entry-macro.S */
+#define AVIC_IO_ADDRESS(x)      IO_ADDRESS(x)
+
+/* fixed interrput numbers */
+#define INT_SOFTINT             0
+#define CSI_INT                 6
+#define DSPA_MAC_INT            7
+#define DSPA_INT                8
+#define COMP_INT                9
+#define MSHC_XINT               10
+#define GPIO_INT_PORTA          11
+#define GPIO_INT_PORTB          12
+#define GPIO_INT_PORTC          13
+#define LCDC_INT                14
+#define SIM_INT                 15
+#define SIM_DATA_INT            16
+#define RTC_INT                 17
+#define RTC_SAMINT              18
+#define UART2_MINT_PFERR        19
+#define UART2_MINT_RTS          20
+#define UART2_MINT_DTR          21
+#define UART2_MINT_UARTC        22
+#define UART2_MINT_TX           23
+#define UART2_MINT_RX           24
+#define UART1_MINT_PFERR        25
+#define UART1_MINT_RTS          26
+#define UART1_MINT_DTR          27
+#define UART1_MINT_UARTC        28
+#define UART1_MINT_TX           29
+#define UART1_MINT_RX           30
+#define VOICE_DAC_INT           31
+#define VOICE_ADC_INT           32
+#define PEN_DATA_INT            33
+#define PWM_INT                 34
+#define SDHC_INT                35
+#define I2C_INT                 39
+#define CSPI_INT                41
+#define SSI_TX_INT              42
+#define SSI_TX_ERR_INT          43
+#define SSI_RX_INT              44
+#define SSI_RX_ERR_INT          45
+#define TOUCH_INT               46
+#define USBD_INT0               47
+#define USBD_INT1               48
+#define USBD_INT2               49
+#define USBD_INT3               50
+#define USBD_INT4               51
+#define USBD_INT5               52
+#define USBD_INT6               53
+#define BTSYS_INT               55
+#define BTTIM_INT               56
+#define BTWUI_INT               57
+#define TIM2_INT                58
+#define TIM1_INT                59
+#define DMA_ERR                 60
+#define DMA_INT                 61
+#define GPIO_INT_PORTD          62
+#define WDT_INT                 63
+
+/* gpio and gpio based interrupt handling */
+#define GPIO_DR                 0x1C
+#define GPIO_GDIR               0x00
+#define GPIO_PSR                0x24
+#define GPIO_ICR1               0x28
+#define GPIO_ICR2               0x2C
+#define GPIO_IMR                0x30
+#define GPIO_ISR                0x34
+#define GPIO_INT_LOW_LEV        0x3
+#define GPIO_INT_HIGH_LEV       0x2
+#define GPIO_INT_RISE_EDGE      0x0
+#define GPIO_INT_FALL_EDGE      0x1
+#define GPIO_INT_NONE           0x4
+
+/* DMA */
+#define DMA_REQ_UART3_T         2
+#define DMA_REQ_UART3_R         3
+#define DMA_REQ_SSI2_T          4
+#define DMA_REQ_SSI2_R          5
+#define DMA_REQ_CSI_STAT        6
+#define DMA_REQ_CSI_R           7
+#define DMA_REQ_MSHC            8
+#define DMA_REQ_DSPA_DCT_DOUT   9
+#define DMA_REQ_DSPA_DCT_DIN    10
+#define DMA_REQ_DSPA_MAC        11
+#define DMA_REQ_EXT             12
+#define DMA_REQ_SDHC            13
+#define DMA_REQ_SPI1_R          14
+#define DMA_REQ_SPI1_T          15
+#define DMA_REQ_SSI_T           16
+#define DMA_REQ_SSI_R           17
+#define DMA_REQ_ASP_DAC         18
+#define DMA_REQ_ASP_ADC         19
+#define DMA_REQ_USP_EP(x)       (20 + (x))
+#define DMA_REQ_SPI2_R          26
+#define DMA_REQ_SPI2_T          27
+#define DMA_REQ_UART2_T         28
+#define DMA_REQ_UART2_R         29
+#define DMA_REQ_UART1_T         30
+#define DMA_REQ_UART1_R         31
+
+/* mandatory for CONFIG_LL_DEBUG */
+#define MXC_LL_UART_PADDR       UART1_BASE_ADDR
+#define MXC_LL_UART_VADDR       IO_ADDRESS(UART1_BASE_ADDR)
+
+#endif /*  __ASM_ARCH_MXC_MX1_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx27.h b/arch/arm/plat-mxc/include/mach/mx27.h
index a86db64744a1..0313be720552 100644
--- a/arch/arm/plat-mxc/include/mach/mx27.h
+++ b/arch/arm/plat-mxc/include/mach/mx27.h
@@ -72,7 +72,8 @@
 /* for mx27*/
 #define OTG_BASE_ADDR           USBOTG_BASE_ADDR
 #define SAHARA_BASE_ADDR        (AIPI_BASE_ADDR + 0x25000)
-#define EMMA_BASE_ADDR          (AIPI_BASE_ADDR + 0x26400)
+#define EMMA_PP_BASE_ADDR       (AIPI_BASE_ADDR + 0x26000)
+#define EMMA_PRP_BASE_ADDR      (AIPI_BASE_ADDR + 0x26400)
 #define CCM_BASE_ADDR           (AIPI_BASE_ADDR + 0x27000)
 #define SYSCTRL_BASE_ADDR       (AIPI_BASE_ADDR + 0x27800)
 #define IIM_BASE_ADDR           (AIPI_BASE_ADDR + 0x28000)
@@ -288,16 +289,4 @@ extern int mx27_revision(void);
 /* this CPU supports up to 192 GPIOs (don't forget the baseboard!) */
 #define ARCH_NR_GPIOS           (192 + 16)
 
-/* OS clock tick rate */
-#define CLOCK_TICK_RATE         13300000
-
-/* Start of RAM */
-#define PHYS_OFFSET             SDRAM_BASE_ADDR
-
-/* max interrupt lines count */
-#define NR_IRQS                 256
-
-/* count of internal interrupt sources */
-#define MXC_MAX_INT_LINES       64
-
 #endif /* __ASM_ARCH_MXC_MX27_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx31.h b/arch/arm/plat-mxc/include/mach/mx31.h
index 0536f8917bc0..de026654b00e 100644
--- a/arch/arm/plat-mxc/include/mach/mx31.h
+++ b/arch/arm/plat-mxc/include/mach/mx31.h
@@ -15,11 +15,6 @@
 #error "Do not include directly."
 #endif
 
-/*!
- * defines the hardware clock tick rate
- */
-#define CLOCK_TICK_RATE         16625000
-
 /*
  * MX31 memory map:
  *
@@ -244,9 +239,6 @@
 #define PCMCIA_IO_ADDRESS(x) \
         (((x) - X_MEMC_BASE_ADDR) + X_MEMC_BASE_ADDR_VIRT)
 
-/* Start of physical RAM - On many MX31 platforms, this is the first SDRAM bank (CSD0) */
-#define PHYS_OFFSET             CSD0_BASE_ADDR
-
 /*
  * Interrupt numbers
  */
@@ -315,23 +307,6 @@
 #define MXC_INT_EXT_WDOG        62
 #define MXC_INT_EXT_TV          63
 
-#define MXC_MAX_INT_LINES       64
-
-#define MXC_GPIO_INT_BASE       MXC_MAX_INT_LINES
-#define MXC_MAX_GPIO_LINES      (GPIO_NUM_PIN * GPIO_PORT_NUM)
-#define MXC_MAX_VIRTUAL_INTS    16
-
-#define NR_IRQS (MXC_MAX_INT_LINES + MXC_MAX_GPIO_LINES + MXC_MAX_VIRTUAL_INTS)
-
-/*!
- * Number of GPIO port as defined in the IC Spec
- */
-#define GPIO_PORT_NUM           3
-/*!
- * Number of GPIO pins per port
- */
-#define GPIO_NUM_PIN            32
-
 #define PROD_SIGNATURE          0x1     /* For MX31 */
 
 /* silicon revisions specific to i.MX31 */
diff --git a/arch/arm/plat-mxc/include/mach/mxc_timer.h b/arch/arm/plat-mxc/include/mach/mxc_timer.h
index 130aebfbe168..6c19a134744b 100644
--- a/arch/arm/plat-mxc/include/mach/mxc_timer.h
+++ b/arch/arm/plat-mxc/include/mach/mxc_timer.h
@@ -26,7 +26,7 @@
 #include <linux/clk.h>
 #include <mach/hardware.h>
 
-#ifdef CONFIG_ARCH_IMX
+#ifdef CONFIG_ARCH_MX1
 #define TIMER_BASE              IO_ADDRESS(TIM1_BASE_ADDR)
 #define TIMER_INTERRUPT         TIM1_INT
 
@@ -65,7 +65,7 @@ static void gpt_irq_acknowledge(void)
 {
         __raw_writel(0, TIMER_BASE + MXC_TSTAT);
 }
-#endif /* CONFIG_ARCH_IMX */
+#endif /* CONFIG_ARCH_MX1 */
 
 #ifdef CONFIG_ARCH_MX2
 #define TIMER_BASE              IO_ADDRESS(GPT1_BASE_ADDR)
diff --git a/arch/arm/plat-mxc/include/mach/timex.h b/arch/arm/plat-mxc/include/mach/timex.h
index 0b0af0253e91..07b4a73c9d2f 100644
--- a/arch/arm/plat-mxc/include/mach/timex.h
+++ b/arch/arm/plat-mxc/include/mach/timex.h
@@ -20,6 +20,12 @@
 #ifndef __ASM_ARCH_MXC_TIMEX_H__
 #define __ASM_ARCH_MXC_TIMEX_H__
 
-#include <mach/hardware.h>      /* for CLOCK_TICK_RATE */
+#if defined CONFIG_ARCH_MX1
+#define CLOCK_TICK_RATE         16000000
+#elif defined CONFIG_ARCH_MX2
+#define CLOCK_TICK_RATE         13300000
+#elif defined CONFIG_ARCH_MX3
+#define CLOCK_TICK_RATE         16625000
+#endif
 
 #endif                          /* __ASM_ARCH_MXC_TIMEX_H__ */
diff --git a/arch/arm/plat-mxc/iomux-mx1-mx2.c b/arch/arm/plat-mxc/iomux-mx1-mx2.c
index d97387aa9a42..df6f18395686 100644
--- a/arch/arm/plat-mxc/iomux-mx1-mx2.c
+++ b/arch/arm/plat-mxc/iomux-mx1-mx2.c
@@ -110,12 +110,13 @@ void mxc_gpio_mode(int gpio_mode)
 EXPORT_SYMBOL(mxc_gpio_mode);
 
 int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
-                                int alloc_mode, const char *label)
+                const char *label)
 {
         const int *p = pin_list;
         int i;
         unsigned gpio;
         unsigned mode;
+        int ret = -EINVAL;
 
         for (i = 0; i < count; i++) {
                 gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
@@ -124,33 +125,33 @@ int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
                 if (gpio >= (GPIO_PORT_MAX + 1) * 32)
                         goto setup_error;
 
-                if (alloc_mode & MXC_GPIO_ALLOC_MODE_RELEASE)
-                        gpio_free(gpio);
-                else if (!(alloc_mode & MXC_GPIO_ALLOC_MODE_NO_ALLOC))
-                        if (gpio_request(gpio, label)
-                           && !(alloc_mode & MXC_GPIO_ALLOC_MODE_TRY_ALLOC))
-                                goto setup_error;
+                ret = gpio_request(gpio, label);
+                if (ret)
+                        goto setup_error;
 
-                if (!(alloc_mode & (MXC_GPIO_ALLOC_MODE_ALLOC_ONLY |
-                                    MXC_GPIO_ALLOC_MODE_RELEASE)))
-                        mxc_gpio_mode(gpio | mode);
+                mxc_gpio_mode(gpio | mode);
 
                 p++;
         }
         return 0;
 
 setup_error:
-        if (alloc_mode & (MXC_GPIO_ALLOC_MODE_NO_ALLOC |
-            MXC_GPIO_ALLOC_MODE_TRY_ALLOC))
-                return -EINVAL;
+        mxc_gpio_release_multiple_pins(pin_list, i);
+        return ret;
+}
+EXPORT_SYMBOL(mxc_gpio_setup_multiple_pins);
 
-        while (p != pin_list) {
-                p--;
-                gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
+void mxc_gpio_release_multiple_pins(const int *pin_list, int count)
+{
+        const int *p = pin_list;
+        int i;
+
+        for (i = 0; i < count; i++) {
+                unsigned gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
                 gpio_free(gpio);
+                p++;
         }
 
-        return -EINVAL;
 }
-EXPORT_SYMBOL(mxc_gpio_setup_multiple_pins);
+EXPORT_SYMBOL(mxc_gpio_release_multiple_pins);
 
diff --git a/arch/arm/plat-mxc/irq.c b/arch/arm/plat-mxc/irq.c
index d862c9e5f8db..6e7578a3514b 100644
--- a/arch/arm/plat-mxc/irq.c
+++ b/arch/arm/plat-mxc/irq.c
@@ -17,9 +17,12 @@
  * MA  02110-1301, USA.
  */
 
+#include <linux/module.h>
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <mach/common.h>
+#include <asm/mach/irq.h>
+#include <mach/hardware.h>
 
 #define AVIC_BASE               IO_ADDRESS(AVIC_BASE_ADDR)
 #define AVIC_INTCNTL            (AVIC_BASE + 0x00)      /* int control reg */
@@ -65,6 +68,28 @@ void imx_irq_set_priority(unsigned char irq, unsigned char prio)
 EXPORT_SYMBOL(imx_irq_set_priority);
 #endif
 
+#ifdef CONFIG_FIQ
+int mxc_set_irq_fiq(unsigned int irq, unsigned int type)
+{
+        unsigned int irqt;
+
+        if (irq >= MXC_INTERNAL_IRQS)
+                return -EINVAL;
+
+        if (irq < MXC_INTERNAL_IRQS / 2) {
+                irqt = __raw_readl(AVIC_INTTYPEL) & ~(1 << irq);
+                __raw_writel(irqt | (!!type << irq), AVIC_INTTYPEL);
+        } else {
+                irq -= MXC_INTERNAL_IRQS / 2;
+                irqt = __raw_readl(AVIC_INTTYPEH) & ~(1 << irq);
+                __raw_writel(irqt | (!!type << irq), AVIC_INTTYPEH);
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL(mxc_set_irq_fiq);
+#endif /* CONFIG_FIQ */
+
 /* Disable interrupt number "irq" in the AVIC */
 static void mxc_mask_irq(unsigned int irq)
 {
@@ -91,7 +116,6 @@ static struct irq_chip mxc_avic_chip = {
 void __init mxc_init_irq(void)
 {
         int i;
-        u32 reg;
 
         /* put the AVIC into the reset value with
          * all interrupts disabled
@@ -106,7 +130,7 @@ void __init mxc_init_irq(void)
         /* all IRQ no FIQ */
         __raw_writel(0, AVIC_INTTYPEH);
         __raw_writel(0, AVIC_INTTYPEL);
-        for (i = 0; i < MXC_MAX_INT_LINES; i++) {
+        for (i = 0; i < MXC_INTERNAL_IRQS; i++) {
                 set_irq_chip(i, &mxc_avic_chip);
                 set_irq_handler(i, handle_level_irq);
                 set_irq_flags(i, IRQF_VALID);
@@ -119,5 +143,10 @@ void __init mxc_init_irq(void)
         /* init architectures chained interrupt handler */
         mxc_register_gpios();
 
+#ifdef CONFIG_FIQ
+        /* Initialize FIQ */
+        init_FIQ();
+#endif
+
         printk(KERN_INFO "MXC IRQ initialized\n");
 }