da8xx/hawkboard: Add support for ohci host controller

[u-boot] / board / davinci / da8xxevm / da850evm.c

diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c
index 004d5ad6d493d80229865c09aee505a2b6c9936c..0c7aabb13492843a25d6f52260fb0f2b3217e1dc 100644 (file)
--- a/board/davinci/da8xxevm/da850evm.c
+++ b/board/davinci/da8xxevm/da850evm.c
@@ -36,6 +36,11 @@
 #include <asm/errno.h>
 #include <hwconfig.h>
 
+#ifdef CONFIG_DAVINCI_MMC
+#include <mmc.h>
+#include <asm/arch/sdmmc_defs.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef CONFIG_DRIVER_TI_EMAC
@@ -204,11 +209,32 @@ int misc_init_r(void)
        return 0;
 }
 
+#ifdef CONFIG_DAVINCI_MMC
+static struct davinci_mmc mmc_sd0 = {
+       .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
+       .host_caps = MMC_MODE_4BIT,     /* DA850 supports only 4-bit SD/MMC */
+       .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
+       .version = MMC_CTLR_VERSION_2,
+};
+
+int board_mmc_init(bd_t *bis)
+{
+       mmc_sd0.input_clk = clk_get(DAVINCI_MMCSD_CLKID);
+
+       /* Add slot-0 to mmc subsystem */
+       return davinci_mmc_init(bis, &mmc_sd0);
+}
+#endif
+
 static const struct pinmux_config gpio_pins[] = {
 #ifdef CONFIG_USE_NOR
        /* GP0[11] is required for NOR to work on Rev 3 EVMs */
        { pinmux(0), 8, 4 },    /* GP0[11] */
 #endif
+#ifdef CONFIG_DAVINCI_MMC
+       /* GP0[11] is required for SD to work on Rev 3 EVMs */
+       { pinmux(0),  8, 4 },   /* GP0[11] */
+#endif
 };
 
 const struct pinmux_resource pinmuxes[] = {
@@ -236,6 +262,9 @@ const struct pinmux_resource pinmuxes[] = {
        PINMUX_ITEM(emifa_pins_nor),
 #endif
        PINMUX_ITEM(gpio_pins),
+#ifdef CONFIG_DAVINCI_MMC
+       PINMUX_ITEM(mmc0_pins),
+#endif
 };
 
 const int pinmuxes_size = ARRAY_SIZE(pinmuxes);
@@ -246,6 +275,9 @@ const struct lpsc_resource lpsc[] = {
        { DAVINCI_LPSC_EMAC },  /* image download */
        { DAVINCI_LPSC_UART2 }, /* console */
        { DAVINCI_LPSC_GPIO },
+#ifdef CONFIG_DAVINCI_MMC
+       { DAVINCI_LPSC_MMC_SD },
+#endif
 };
 
 const int lpsc_size = ARRAY_SIZE(lpsc);
@@ -303,7 +335,7 @@ int board_early_init_f(void)
 
 int board_init(void)
 {
-#ifdef CONFIG_USE_NOR
+#if defined(CONFIG_USE_NOR) || defined(CONFIG_DAVINCI_MMC)
        u32 val;
 #endif
 
@@ -316,11 +348,11 @@ int board_init(void)
         * NAND CS setup - cycle counts based on da850evm NAND timings in the
         * Linux kernel @ 25MHz EMIFA
         */
-       writel((DAVINCI_ABCR_WSETUP(0) |
-               DAVINCI_ABCR_WSTROBE(1) |
-               DAVINCI_ABCR_WHOLD(0) |
-               DAVINCI_ABCR_RSETUP(0) |
-               DAVINCI_ABCR_RSTROBE(1) |
+       writel((DAVINCI_ABCR_WSETUP(2) |
+               DAVINCI_ABCR_WSTROBE(2) |
+               DAVINCI_ABCR_WHOLD(1) |
+               DAVINCI_ABCR_RSETUP(1) |
+               DAVINCI_ABCR_RSTROBE(4) |
                DAVINCI_ABCR_RHOLD(0) |
                DAVINCI_ABCR_TA(1) |
                DAVINCI_ABCR_ASIZE_8BIT),
@@ -354,6 +386,16 @@ int board_init(void)
        writel(val, GPIO_BANK0_REG_CLR_ADDR);
 #endif
 
+#ifdef CONFIG_DAVINCI_MMC
+       /* Set the GPIO direction as output */
+       clrbits_le32((u32 *)GPIO_BANK0_REG_DIR_ADDR, (0x01 << 11));
+
+       /* Set the output as high */
+       val = readl(GPIO_BANK0_REG_SET_ADDR);
+       val |= (0x01 << 11);
+       writel(val, GPIO_BANK0_REG_SET_ADDR);
+#endif
+
 #ifdef CONFIG_DRIVER_TI_EMAC
        davinci_emac_mii_mode_sel(HAS_RMII);
 #endif /* CONFIG_DRIVER_TI_EMAC */