11 files changed, 160 insertions, 2 deletions

diff --git a/arch/arm/plat-mxc/include/mach/board-mx31ads.h b/arch/arm/plat-mxc/include/mach/board-mx31ads.h
index 1bc6fb0f9a83..745b48864f93 100644
--- a/arch/arm/plat-mxc/include/mach/board-mx31ads.h
+++ b/arch/arm/plat-mxc/include/mach/board-mx31ads.h
@@ -90,6 +90,9 @@
 #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_IRQ_TO_EXPIO(irq)   ((irq) - MXC_EXP_IO_BASE)
+
 #define EXPIO_INT_LOW_BAT       (MXC_EXP_IO_BASE + 0)
 #define EXPIO_INT_PB_IRQ        (MXC_EXP_IO_BASE + 1)
 #define EXPIO_INT_OTG_FS_OVR    (MXC_EXP_IO_BASE + 2)
diff --git a/arch/arm/plat-mxc/include/mach/clock.h b/arch/arm/plat-mxc/include/mach/clock.h
index 24caa2b7c91d..d21f78e78819 100644
--- a/arch/arm/plat-mxc/include/mach/clock.h
+++ b/arch/arm/plat-mxc/include/mach/clock.h
@@ -39,7 +39,7 @@ struct clk {
         /* Register bit position for clock's enable/disable control. */
         u8 enable_shift;
         /* Register address for clock's enable/disable control. */
-        u32 enable_reg;
+        void __iomem *enable_reg;
         u32 flags;
         /* get the current clock rate (always a fresh value) */
         unsigned long (*get_rate) (struct clk *);
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
index a6d2e24aab15..6350287a59b9 100644
--- a/arch/arm/plat-mxc/include/mach/common.h
+++ b/arch/arm/plat-mxc/include/mach/common.h
@@ -11,10 +11,13 @@
 #ifndef __ASM_ARCH_MXC_COMMON_H__
 #define __ASM_ARCH_MXC_COMMON_H__
 
+struct platform_device;
+
 extern void mxc_map_io(void);
 extern void mxc_init_irq(void);
 extern void mxc_timer_init(const char *clk_timer);
 extern int mxc_clocks_init(unsigned long fref);
 extern int mxc_register_gpios(void);
+extern int mxc_register_device(struct platform_device *pdev, void *data);
 
 #endif
diff --git a/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h b/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h
new file mode 100644
index 000000000000..e85fd946116c
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h
@@ -0,0 +1,89 @@
+/*
+ *  linux/arch/arm/plat-mxc/include/mach/dma-mx1-mx2.h
+ *
+ *  i.MX DMA registration and IRQ dispatching
+ *
+ * Copyright 2006 Pavel Pisa <pisa@cmp.felk.cvut.cz>
+ * Copyright 2008 Juergen Beisert, <kernel@pengutronix.de>
+ * Copyright 2008 Sascha Hauer, <s.hauer@pengutronix.de>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * 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_BASE IO_ADDRESS(DMA_BASE_ADDR)
+
+#define IMX_DMA_MEMSIZE_32      (0 << 4)
+#define IMX_DMA_MEMSIZE_8       (1 << 4)
+#define IMX_DMA_MEMSIZE_16      (2 << 4)
+#define IMX_DMA_TYPE_LINEAR     (0 << 10)
+#define IMX_DMA_TYPE_2D         (1 << 10)
+#define IMX_DMA_TYPE_FIFO       (2 << 10)
+
+#define IMX_DMA_ERR_BURST     (1 << 0)
+#define IMX_DMA_ERR_REQUEST   (1 << 1)
+#define IMX_DMA_ERR_TRANSFER  (1 << 2)
+#define IMX_DMA_ERR_BUFFER    (1 << 3)
+#define IMX_DMA_ERR_TIMEOUT   (1 << 4)
+
+int
+imx_dma_config_channel(int channel, unsigned int config_port,
+        unsigned int config_mem, unsigned int dmareq, int hw_chaining);
+
+void
+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);
+
+int
+imx_dma_setup_sg(int channel, struct scatterlist *sg,
+                unsigned int sgcount, unsigned int dma_length,
+                unsigned int dev_addr, dmamode_t dmamode);
+
+int
+imx_dma_setup_handlers(int channel,
+                void (*irq_handler) (int, void *),
+                void (*err_handler) (int, void *, int), void *data);
+
+int
+imx_dma_setup_progression_handler(int channel,
+                void (*prog_handler) (int, void*, struct scatterlist*));
+
+void imx_dma_enable(int channel);
+
+void imx_dma_disable(int channel);
+
+int imx_dma_request(int channel, const char *name);
+
+void imx_dma_free(int channel);
+
+enum imx_dma_prio {
+        DMA_PRIO_HIGH = 0,
+        DMA_PRIO_MEDIUM = 1,
+        DMA_PRIO_LOW = 2
+};
+
+int imx_dma_request_by_prio(const char *name, enum imx_dma_prio prio);
+
+#endif  /* _ASM_ARCH_MXC_DMA_H */
diff --git a/arch/arm/plat-mxc/include/mach/entry-macro.S b/arch/arm/plat-mxc/include/mach/entry-macro.S
index b542433afb1b..11632028f7d1 100644
--- a/arch/arm/plat-mxc/include/mach/entry-macro.S
+++ b/arch/arm/plat-mxc/include/mach/entry-macro.S
@@ -9,11 +9,17 @@
  * published by the Free Software Foundation.
  */
 
+#define AVIC_NIMASK     0x04
+
         @ this macro disables fast irq (not implemented)
         .macro  disable_fiq
         .endm
 
         .macro  get_irqnr_preamble, base, tmp
+        ldr     \base, =AVIC_IO_ADDRESS(AVIC_BASE_ADDR)
+#ifdef CONFIG_MXC_IRQ_PRIOR
+        ldr     r4, [\base, #AVIC_NIMASK]
+#endif
         .endm
 
         .macro  arch_ret_to_user, tmp1, tmp2
@@ -23,7 +29,6 @@
         @ and returns its number in irqnr
         @ and returns if an interrupt occured in irqstat
         .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
-        ldr     \base, =AVIC_IO_ADDRESS(AVIC_BASE_ADDR)
         @ Load offset & priority of the highest priority
         @ interrupt pending from AVIC_NIVECSR
         ldr     \irqstat, [\base, #0x40]
@@ -32,6 +37,11 @@
         mov     \irqnr, \irqstat, asr #16
         @ set zero flag if IRQ + 1 == 0
         adds    \tmp, \irqnr, #1
+#ifdef CONFIG_MXC_IRQ_PRIOR
+        bicne   \tmp, \irqstat, #0xFFFFFFE0
+        strne   \tmp, [\base, #AVIC_NIMASK]
+        streq   r4, [\base, #AVIC_NIMASK]
+#endif
         .endm
 
         @ irq priority table (not used)
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 076d37b38eb2..3d09bfd6c53d 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx1-mx2.h
@@ -247,6 +247,11 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #endif
 
 #ifdef CONFIG_ARCH_MX2
+#define PA0_PF_USBH2_CLK        (GPIO_PORTA | GPIO_PF | 0)
+#define PA1_PF_USBH2_DIR        (GPIO_PORTA | GPIO_PF | 1)
+#define PA2_PF_USBH2_DATA7      (GPIO_PORTA | GPIO_PF | 2)
+#define PA3_PF_USBH2_NXT        (GPIO_PORTA | GPIO_PF | 3)
+#define PA4_PF_USBH2_STP        (GPIO_PORTA | GPIO_PF | 4)
 #define PA5_PF_LSCLK            (GPIO_PORTA | GPIO_OUT | GPIO_PF | 5)
 #define PA6_PF_LD0              (GPIO_PORTA | GPIO_OUT | GPIO_PF | 6)
 #define PA7_PF_LD1              (GPIO_PORTA | GPIO_OUT | GPIO_PF | 7)
@@ -294,6 +299,16 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #define PB20_AF_UART5_CTS       (GPIO_PORTB | GPIO_OUT | GPIO_AF | 20)
 #define PB21_PF_CSI_HSYNC       (GPIO_PORTB | GPIO_OUT | GPIO_PF | 21)
 #define PB21_AF_UART5_RTS       (GPIO_PORTB | GPIO_IN  | GPIO_AF | 21)
+#define PB22_PF_USBH1_SUSP      (GPIO_PORTB | GPIO_PF | 22)
+#define PB23_PF_USB_PWR         (GPIO_PORTB | GPIO_PF | 23)
+#define PB24_PF_USB_OC_B        (GPIO_PORTB | GPIO_PF | 24)
+#define PB25_PF_USBH1_RCV       (GPIO_PORTB | GPIO_PF | 25)
+#define PB26_PF_USBH1_FS        (GPIO_PORTB | GPIO_PF | 26)
+#define PB27_PF_USBH1_OE_B      (GPIO_PORTB | GPIO_PF | 27)
+#define PB28_PF_USBH1_TXDM      (GPIO_PORTB | GPIO_PF | 28)
+#define PB29_PF_USBH1_TXDP      (GPIO_PORTB | GPIO_PF | 29)
+#define PB30_PF_USBH1_RXDM      (GPIO_PORTB | GPIO_PF | 30)
+#define PB31_PF_USBH1_RXDP      (GPIO_PORTB | GPIO_PF | 31)
 #define PB26_AF_UART4_RTS       (GPIO_PORTB | GPIO_IN  | GPIO_PF | 26)
 #define PB28_AF_UART4_TXD       (GPIO_PORTB | GPIO_OUT | GPIO_AF | 28)
 #define PB29_AF_UART4_CTS       (GPIO_PORTB | GPIO_OUT | GPIO_AF | 29)
@@ -335,8 +350,15 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #define PD16_AIN_FEC_TX_ER      (GPIO_PORTD | GPIO_OUT | GPIO_AIN | 16)
 #define PD17_PF_I2C_DATA        (GPIO_PORTD | GPIO_OUT | GPIO_PF | 17)
 #define PD18_PF_I2C_CLK         (GPIO_PORTD | GPIO_OUT | GPIO_PF | 18)
+#define PD19_AF_USBH2_DATA4     (GPIO_PORTD | GPIO_AF | 19)
+#define PD20_AF_USBH2_DATA3     (GPIO_PORTD | GPIO_AF | 20)
+#define PD21_AF_USBH2_DATA6     (GPIO_PORTD | GPIO_AF | 21)
+#define PD22_AF_USBH2_DATA0     (GPIO_PORTD | GPIO_AF | 22)
+#define PD23_AF_USBH2_DATA2     (GPIO_PORTD | GPIO_AF | 23)
+#define PD24_AF_USBH2_DATA1     (GPIO_PORTD | GPIO_AF | 24)
 #define PD25_PF_CSPI1_RDY       (GPIO_PORTD | GPIO_OUT | GPIO_PF  | 25)
 #define PD26_PF_CSPI1_SS2       (GPIO_PORTD | GPIO_OUT | GPIO_PF  | 26)
+#define PD26_AF_USBH2_DATA5     (GPIO_PORTD | GPIO_AF | 26)
 #define PD27_PF_CSPI1_SS1       (GPIO_PORTD | GPIO_OUT | GPIO_PF  | 27)
 #define PD28_PF_CSPI1_SS0       (GPIO_PORTD | GPIO_OUT | GPIO_PF  | 28)
 #define PD29_PF_CSPI1_SCLK      (GPIO_PORTD | GPIO_OUT | GPIO_PF  | 29)
@@ -355,6 +377,8 @@ extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
 #define PE13_PF_UART1_RXD       (GPIO_PORTE | GPIO_IN  | GPIO_PF | 13)
 #define PE14_PF_UART1_CTS       (GPIO_PORTE | GPIO_OUT | GPIO_PF | 14)
 #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_AF_CSPI3_MISO      (GPIO_PORTE | GPIO_IN  | GPIO_AF | 18)
 #define PE21_AF_CSPI3_SS        (GPIO_PORTE | GPIO_OUT | GPIO_AF | 21)
 #define PE22_AF_CSPI3_MOSI      (GPIO_PORTE | GPIO_OUT | GPIO_AF | 22)
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx3.h b/arch/arm/plat-mxc/include/mach/iomux-mx3.h
index 7509e7692f08..c9f39c2fb8c6 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx3.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx3.h
@@ -491,6 +491,26 @@ 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_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)
+#define MX31_PIN_CSPI1_SPI_RDY__SPI_RDY IOMUX_MODE(MX31_PIN_CSPI1_SPI_RDY, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI1_SS0__SS0         IOMUX_MODE(MX31_PIN_CSPI1_SS0, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI1_SS1__SS1         IOMUX_MODE(MX31_PIN_CSPI1_SS1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI1_SS2__SS2         IOMUX_MODE(MX31_PIN_CSPI1_SS2, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI2_MOSI__MOSI       IOMUX_MODE(MX31_PIN_CSPI2_MOSI, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI2_MISO__MISO       IOMUX_MODE(MX31_PIN_CSPI2_MISO, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI2_SCLK__SCLK       IOMUX_MODE(MX31_PIN_CSPI2_SCLK, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI2_SPI_RDY__SPI_RDY IOMUX_MODE(MX31_PIN_CSPI2_SPI_RDY, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI2_SS0__SS0         IOMUX_MODE(MX31_PIN_CSPI2_SS0, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI2_SS1__SS1         IOMUX_MODE(MX31_PIN_CSPI2_SS1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI2_SS2__SS2         IOMUX_MODE(MX31_PIN_CSPI2_SS2, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI3_MOSI__MOSI       IOMUX_MODE(MX31_PIN_CSPI3_MOSI, IOMUX_CONFIG_FUNC)
+#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)
+/*XXX: The SS0, SS1, SS2, SS3 lines of spi3 are multiplexed by cspi2_ss0, cspi2_ss1, cspi1_ss0
+ * cspi1_ss1*/
 
 /*
  * This function configures the pad value for a IOMUX pin.
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
index 228c4f68ccdf..b55bba35e18a 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -12,5 +12,6 @@
 #define __ASM_ARCH_MXC_IRQS_H__
 
 #include <mach/hardware.h>
+extern void imx_irq_set_priority(unsigned char irq, unsigned char prio);
 
 #endif /* __ASM_ARCH_MXC_IRQS_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx27.h b/arch/arm/plat-mxc/include/mach/mx27.h
index 212ecc246626..a86db64744a1 100644
--- a/arch/arm/plat-mxc/include/mach/mx27.h
+++ b/arch/arm/plat-mxc/include/mach/mx27.h
@@ -128,6 +128,7 @@
  * it returns 0xDEADBEEF
  */
 #define IO_ADDRESS(x)   \
+        (void __iomem *) \
         (((x >= AIPI_BASE_ADDR) && (x < (AIPI_BASE_ADDR + AIPI_SIZE))) ? \
                 AIPI_IO_ADDRESS(x) : \
         ((x >= SAHB1_BASE_ADDR) && (x < (SAHB1_BASE_ADDR + SAHB1_SIZE))) ? \
diff --git a/arch/arm/plat-mxc/include/mach/mx31.h b/arch/arm/plat-mxc/include/mach/mx31.h
index a7373e4a56cb..0536f8917bc0 100644
--- a/arch/arm/plat-mxc/include/mach/mx31.h
+++ b/arch/arm/plat-mxc/include/mach/mx31.h
@@ -198,6 +198,7 @@
  * it returns 0xDEADBEEF
  */
 #define IO_ADDRESS(x)   \
+        (void __iomem *) \
         (((x >= IRAM_BASE_ADDR) && (x < (IRAM_BASE_ADDR + IRAM_SIZE))) ? IRAM_IO_ADDRESS(x):\
         ((x >= L2CC_BASE_ADDR) && (x < (L2CC_BASE_ADDR + L2CC_SIZE))) ? L2CC_IO_ADDRESS(x):\
         ((x >= AIPS1_BASE_ADDR) && (x < (AIPS1_BASE_ADDR + AIPS1_SIZE))) ? AIPS1_IO_ADDRESS(x):\
diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h
index 332eda4dbd3b..f6caab062131 100644
--- a/arch/arm/plat-mxc/include/mach/mxc.h
+++ b/arch/arm/plat-mxc/include/mach/mxc.h
@@ -33,4 +33,10 @@
 # define cpu_is_mx27() (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
+
 #endif /*  __ASM_ARCH_MXC_H__ */