sunxi: mmc support

[karo-tx-uboot.git] / board / sunxi / board.c

diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index 328334ab02427a2703557c0f7dada8aa9490b862..b05d0b9b18c9a5fdc7442de3286edb9838da95bd 100644 (file)
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -14,6 +14,8 @@
 #include <common.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/dram.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mmc.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -43,6 +45,67 @@ int dram_init(void)
        return 0;
 }
 
+#ifdef CONFIG_GENERIC_MMC
+static void mmc_pinmux_setup(int sdc)
+{
+       unsigned int pin;
+
+       switch (sdc) {
+       case 0:
+               /* D1-PF0, D0-PF1, CLK-PF2, CMD-PF3, D3-PF4, D4-PF5 */
+               for (pin = SUNXI_GPF(0); pin <= SUNXI_GPF(5); pin++) {
+                       sunxi_gpio_set_cfgpin(pin, SUNXI_GPF0_SDC0);
+                       sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
+                       sunxi_gpio_set_drv(pin, 2);
+               }
+               break;
+
+       case 1:
+               /* CMD-PH22, CLK-PH23, D0~D3-PH24~27 : 5 */
+               for (pin = SUNXI_GPH(22); pin <= SUNXI_GPH(27); pin++) {
+                       sunxi_gpio_set_cfgpin(pin, SUN4I_GPH22_SDC1);
+                       sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
+                       sunxi_gpio_set_drv(pin, 2);
+               }
+               break;
+
+       case 2:
+               /* CMD-PC6, CLK-PC7, D0-PC8, D1-PC9, D2-PC10, D3-PC11 */
+               for (pin = SUNXI_GPC(6); pin <= SUNXI_GPC(11); pin++) {
+                       sunxi_gpio_set_cfgpin(pin, SUNXI_GPC6_SDC2);
+                       sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
+                       sunxi_gpio_set_drv(pin, 2);
+               }
+               break;
+
+       case 3:
+               /* CMD-PI4, CLK-PI5, D0~D3-PI6~9 : 2 */
+               for (pin = SUNXI_GPI(4); pin <= SUNXI_GPI(9); pin++) {
+                       sunxi_gpio_set_cfgpin(pin, SUN4I_GPI4_SDC3);
+                       sunxi_gpio_set_pull(pin, SUNXI_GPIO_PULL_UP);
+                       sunxi_gpio_set_drv(pin, 2);
+               }
+               break;
+
+       default:
+               printf("sunxi: invalid MMC slot %d for pinmux setup\n", sdc);
+               break;
+       }
+}
+
+int board_mmc_init(bd_t *bis)
+{
+       mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT);
+       sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT);
+#if !defined (CONFIG_SPL_BUILD) && defined (CONFIG_MMC_SUNXI_SLOT_EXTRA)
+       mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA);
+       sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA);
+#endif
+
+       return 0;
+}
+#endif
+
 #ifdef CONFIG_SPL_BUILD
 void sunxi_board_init(void)
 {