3 files changed, 57 insertions, 21 deletions

diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index eb9d4dc2e86d..1aa1ea5e9212 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -15,6 +15,8 @@
 #include <linux/gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/usb/atmel_usba_udc.h>
+
+#include <mach/atmel-mci.h>
 #include <linux/atmel-mci.h>
 
 #include <asm/io.h>
@@ -1181,19 +1183,32 @@ static struct resource atmel_spi1_resource[] = {
 DEFINE_DEV(atmel_spi, 1);
 DEV_CLK(spi_clk, atmel_spi1, pba, 1);
 
-static void __init
-at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b,
-                      unsigned int n, const u8 *pins)
+void __init
+at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b, unsigned int n)
 {
+        /*
+         * Manage the chipselects as GPIOs, normally using the same pins
+         * the SPI controller expects; but boards can use other pins.
+         */
+        static u8 __initdata spi_pins[][4] = {
+                { GPIO_PIN_PA(3), GPIO_PIN_PA(4),
+                  GPIO_PIN_PA(5), GPIO_PIN_PA(20) },
+                { GPIO_PIN_PB(2), GPIO_PIN_PB(3),
+                  GPIO_PIN_PB(4), GPIO_PIN_PA(27) },
+        };
         unsigned int pin, mode;
 
+        /* There are only 2 SPI controllers */
+        if (bus_num > 1)
+                return;
+
         for (; n; n--, b++) {
                 b->bus_num = bus_num;
                 if (b->chip_select >= 4)
                         continue;
                 pin = (unsigned)b->controller_data;
                 if (!pin) {
-                        pin = pins[b->chip_select];
+                        pin = spi_pins[bus_num][b->chip_select];
                         b->controller_data = (void *)pin;
                 }
                 mode = AT32_GPIOF_OUTPUT;
@@ -1206,16 +1221,6 @@ at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b,
 struct platform_device *__init
 at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
 {
-        /*
-         * Manage the chipselects as GPIOs, normally using the same pins
-         * the SPI controller expects; but boards can use other pins.
-         */
-        static u8 __initdata spi0_pins[] =
-                { GPIO_PIN_PA(3), GPIO_PIN_PA(4),
-                  GPIO_PIN_PA(5), GPIO_PIN_PA(20), };
-        static u8 __initdata spi1_pins[] =
-                { GPIO_PIN_PB(2), GPIO_PIN_PB(3),
-                  GPIO_PIN_PB(4), GPIO_PIN_PA(27), };
         struct platform_device *pdev;
         u32 pin_mask;
 
@@ -1228,7 +1233,7 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
                 select_peripheral(PIOA, (1 << 0), PERIPH_A, AT32_GPIOF_PULLUP);
                 select_peripheral(PIOA, pin_mask, PERIPH_A, 0);
 
-                at32_spi_setup_slaves(0, b, n, spi0_pins);
+                at32_spi_setup_slaves(0, b, n);
                 break;
 
         case 1:
@@ -1239,7 +1244,7 @@ at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
                 select_peripheral(PIOB, (1 << 0), PERIPH_B, AT32_GPIOF_PULLUP);
                 select_peripheral(PIOB, pin_mask, PERIPH_B, 0);
 
-                at32_spi_setup_slaves(1, b, n, spi1_pins);
+                at32_spi_setup_slaves(1, b, n);
                 break;
 
         default:
@@ -1320,7 +1325,7 @@ struct platform_device *__init
 at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 {
         struct platform_device          *pdev;
-        struct dw_dma_slave             *dws = &data->dma_slave;
+        struct mci_dma_slave            *slave;
         u32                             pioa_mask;
         u32                             piob_mask;
 
@@ -1339,13 +1344,17 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
                                 ARRAY_SIZE(atmel_mci0_resource)))
                 goto fail;
 
-        dws->dma_dev = &dw_dmac0_device.dev;
-        dws->reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
-        dws->cfg_hi = (DWC_CFGH_SRC_PER(0)
+        slave = kzalloc(sizeof(struct mci_dma_slave), GFP_KERNEL);
+
+        slave->sdata.dma_dev = &dw_dmac0_device.dev;
+        slave->sdata.reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
+        slave->sdata.cfg_hi = (DWC_CFGH_SRC_PER(0)
                                 | DWC_CFGH_DST_PER(1));
-        dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL
+        slave->sdata.cfg_lo &= ~(DWC_CFGL_HS_DST_POL
                                 | DWC_CFGL_HS_SRC_POL);
 
+        data->dma_slave = slave;
+
         if (platform_device_add_data(pdev, data,
                                 sizeof(struct mci_platform_data)))
                 goto fail;
@@ -1411,6 +1420,8 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
         return pdev;
 
 fail:
+        data->dma_slave = NULL;
+        kfree(slave);
         platform_device_put(pdev);
         return NULL;
 }
diff --git a/arch/avr32/mach-at32ap/include/mach/atmel-mci.h b/arch/avr32/mach-at32ap/include/mach/atmel-mci.h
new file mode 100644
index 000000000000..a9b38967f703
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/atmel-mci.h
@@ -0,0 +1,24 @@
+#ifndef __MACH_ATMEL_MCI_H
+#define __MACH_ATMEL_MCI_H
+
+#include <linux/dw_dmac.h>
+
+/**
+ * struct mci_dma_data - DMA data for MCI interface
+ */
+struct mci_dma_data {
+        struct dw_dma_slave     sdata;
+};
+
+/* accessor macros */
+#define slave_data_ptr(s)       (&(s)->sdata)
+#define find_slave_dev(s)       ((s)->sdata.dma_dev)
+
+#define setup_dma_addr(s, t, r) do {            \
+        if (s) {                                \
+                (s)->sdata.tx_reg = (t);        \
+                (s)->sdata.rx_reg = (r);        \
+        }                                       \
+} while (0)
+
+#endif /* __MACH_ATMEL_MCI_H */
diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h
index ddedb471f33e..c7f25bb1d068 100644
--- a/arch/avr32/mach-at32ap/include/mach/board.h
+++ b/arch/avr32/mach-at32ap/include/mach/board.h
@@ -49,6 +49,7 @@ at32_add_device_eth(unsigned int id, struct eth_platform_data *data);
 struct spi_board_info;
 struct platform_device *
 at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n);
+void at32_spi_setup_slaves(unsigned int bus_num, struct spi_board_info *b, unsigned int n);
 
 struct atmel_lcdfb_info;
 struct platform_device *