imx6: wandboard: convert to DM_MMC

Move SDHC init to SPL code since it is not required with
DM_MMC. Enable DM_MMC support.

Signed-off-by: Anatolij Gustschin <agust@denx.de>

diff --git a/board/wandboard/spl.c b/board/wandboard/spl.c
index 9c33500..000cb10 100644 (file)
--- a/board/wandboard/spl.c
+++ b/board/wandboard/spl.c
@@ -422,4 +422,96 @@ void board_init_f(ulong dummy)
        /* DDR initialization */
        spl_dram_init();
 }
+
+#define USDHC1_CD_GPIO         IMX_GPIO_NR(1, 2)
+#define USDHC3_CD_GPIO         IMX_GPIO_NR(3, 9)
+
+#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                   \
+       PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
+       PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+static struct fsl_esdhc_cfg usdhc_cfg[2] = {
+       {USDHC3_BASE_ADDR},
+       {USDHC1_BASE_ADDR},
+};
+
+static iomux_v3_cfg_t const usdhc1_pads[] = {
+       IOMUX_PADS(PAD_SD1_CLK__SD1_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD1_CMD__SD1_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       /* Carrier MicroSD Card Detect */
+       IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02  | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+       IOMUX_PADS(PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+       /* SOM MicroSD Card Detect */
+       IOMUX_PADS(PAD_EIM_DA9__GPIO3_IO09  | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+       struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+       int ret = 0;
+
+       switch (cfg->esdhc_base) {
+       case USDHC1_BASE_ADDR:
+               ret = !gpio_get_value(USDHC1_CD_GPIO);
+               break;
+       case USDHC3_BASE_ADDR:
+               ret = !gpio_get_value(USDHC3_CD_GPIO);
+               break;
+       }
+
+       return ret;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+       int ret;
+       u32 index = 0;
+
+       /*
+        * Following map is done:
+        * (U-Boot device node)    (Physical Port)
+        * mmc0                    SOM MicroSD
+        * mmc1                    Carrier board MicroSD
+        */
+       for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
+               switch (index) {
+               case 0:
+                       SETUP_IOMUX_PADS(usdhc3_pads);
+                       usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+                       usdhc_cfg[0].max_bus_width = 4;
+                       gpio_direction_input(USDHC3_CD_GPIO);
+                       break;
+               case 1:
+                       SETUP_IOMUX_PADS(usdhc1_pads);
+                       usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+                       usdhc_cfg[1].max_bus_width = 4;
+                       gpio_direction_input(USDHC1_CD_GPIO);
+                       break;
+               default:
+                       printf("Warning: you configured more USDHC controllers"
+                              "(%d) then supported by the board (%d)\n",
+                              index + 1, CONFIG_SYS_FSL_USDHC_NUM);
+                       return -EINVAL;
+               }
+
+               ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+               if (ret)
+                       return ret;
+       }
+
+       return 0;
+}
+
 #endif

diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c
index c0902ab..69fbc8b 100644 (file)
--- a/board/wandboard/wandboard.c
+++ b/board/wandboard/wandboard.c
@@ -22,8 +22,6 @@
 #include <asm/io.h>
 #include <linux/sizes.h>
 #include <common.h>
-#include <fsl_esdhc.h>
-#include <mmc.h>
 #include <miiphy.h>
 #include <netdev.h>
 #include <phy.h>
@@ -37,10 +35,6 @@ DECLARE_GLOBAL_DATA_PTR;
        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
        PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
 
-#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                   \
-       PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
-       PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
-
 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                  \
        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
 
@@ -48,8 +42,6 @@ DECLARE_GLOBAL_DATA_PTR;
        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
        PAD_CTL_ODE | PAD_CTL_SRE_FAST)
 
-#define USDHC1_CD_GPIO         IMX_GPIO_NR(1, 2)
-#define USDHC3_CD_GPIO         IMX_GPIO_NR(3, 9)
 #define ETH_PHY_RESET          IMX_GPIO_NR(3, 29)
 #define ETH_PHY_AR8035_POWER   IMX_GPIO_NR(7, 13)
 #define REV_DETECTION          IMX_GPIO_NR(2, 28)
@@ -68,28 +60,6 @@ static iomux_v3_cfg_t const uart1_pads[] = {
        IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
 };
 
-static iomux_v3_cfg_t const usdhc1_pads[] = {
-       IOMUX_PADS(PAD_SD1_CLK__SD1_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       IOMUX_PADS(PAD_SD1_CMD__SD1_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       IOMUX_PADS(PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       IOMUX_PADS(PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       IOMUX_PADS(PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       IOMUX_PADS(PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       /* Carrier MicroSD Card Detect */
-       IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02  | MUX_PAD_CTRL(NO_PAD_CTRL)),
-};
-
-static iomux_v3_cfg_t const usdhc3_pads[] = {
-       IOMUX_PADS(PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       IOMUX_PADS(PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-       /* SOM MicroSD Card Detect */
-       IOMUX_PADS(PAD_EIM_DA9__GPIO3_IO09  | MUX_PAD_CTRL(NO_PAD_CTRL)),
-};
-
 static iomux_v3_cfg_t const enet_pads[] = {
        IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
        IOMUX_PADS(PAD_ENET_MDC__ENET_MDC    | MUX_PAD_CTRL(ENET_PAD_CTRL)),
@@ -145,73 +115,6 @@ static void setup_iomux_enet(void)
        udelay(100);
 }
 
-static struct fsl_esdhc_cfg usdhc_cfg[2] = {
-       {USDHC3_BASE_ADDR},
-       {USDHC1_BASE_ADDR},
-};
-
-int board_mmc_getcd(struct mmc *mmc)
-{
-       struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
-       int ret = 0;
-
-       switch (cfg->esdhc_base) {
-       case USDHC1_BASE_ADDR:
-               ret = !gpio_get_value(USDHC1_CD_GPIO);
-               break;
-       case USDHC3_BASE_ADDR:
-               ret = !gpio_get_value(USDHC3_CD_GPIO);
-               break;
-       }
-
-       return ret;
-}
-
-int board_mmc_init(bd_t *bis)
-{
-       int ret;
-       u32 index = 0;
-
-#if !CONFIG_IS_ENABLED(DM_MMC)
-       gpio_request(USDHC1_CD_GPIO, "USDHC1_CD");
-       gpio_request(USDHC3_CD_GPIO, "USDHC3_CD");
-#endif
-
-       /*
-        * Following map is done:
-        * (U-Boot device node)    (Physical Port)
-        * mmc0                    SOM MicroSD
-        * mmc1                    Carrier board MicroSD
-        */
-       for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
-               switch (index) {
-               case 0:
-                       SETUP_IOMUX_PADS(usdhc3_pads);
-                       usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
-                       usdhc_cfg[0].max_bus_width = 4;
-                       gpio_direction_input(USDHC3_CD_GPIO);
-                       break;
-               case 1:
-                       SETUP_IOMUX_PADS(usdhc1_pads);
-                       usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
-                       usdhc_cfg[1].max_bus_width = 4;
-                       gpio_direction_input(USDHC1_CD_GPIO);
-                       break;
-               default:
-                       printf("Warning: you configured more USDHC controllers"
-                              "(%d) then supported by the board (%d)\n",
-                              index + 1, CONFIG_SYS_FSL_USDHC_NUM);
-                       return -EINVAL;
-               }
-
-               ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
-               if (ret)
-                       return ret;
-       }
-
-       return 0;
-}
-
 static int ar8031_phy_fixup(struct phy_device *phydev)
 {
        unsigned short val;

diff --git a/configs/wandboard_defconfig b/configs/wandboard_defconfig
index 9d9fbff..7f64ea6 100644 (file)
--- a/configs/wandboard_defconfig
+++ b/configs/wandboard_defconfig
@@ -44,6 +44,7 @@ CONFIG_SYS_I2C_MXC=y
 CONFIG_SYS_I2C_MXC_I2C1=y
 CONFIG_SYS_I2C_MXC_I2C2=y
 CONFIG_SYS_I2C_MXC_I2C3=y
+CONFIG_DM_MMC=y
 CONFIG_FSL_ESDHC=y
 CONFIG_PHYLIB=y
 CONFIG_MII=y