da830: add MMC support
Add MMC support for da830 boards in order to perform
mmc operations(read,write and erase).
Signed-off-by: Vishwanathrao Badarkhe, Manish <manishv.b@ti.com>
diff --git a/board/davinci/da8xxevm/da830evm.c b/board/davinci/da8xxevm/da830evm.c
index c45c94b..bf014ae 100644
--- a/board/davinci/da8xxevm/da830evm.c
+++ b/board/davinci/da8xxevm/da830evm.c
@@ -44,6 +44,11 @@
#include <asm/arch/nand_defs.h>
#include <asm/arch/davinci_misc.h>
+#ifdef CONFIG_DAVINCI_MMC
+#include <mmc.h>
+#include <asm/arch/sdmmc_defs.h>
+#endif
+
DECLARE_GLOBAL_DATA_PTR;
/* SPI0 pin muxer settings */
@@ -153,6 +158,23 @@
{ pinmux(9), 1, 1 }
};
+#ifdef CONFIG_DAVINCI_MMC
+/* MMC0 pin muxer settings */
+const struct pinmux_config mmc0_pins[] = {
+ { pinmux(15), 2, 7 }, /* MMCSD0_CLK */
+ { pinmux(16), 2, 0 }, /* MMCSD0_CMD */
+ { pinmux(13), 2, 6 }, /* MMCSD0_DAT_0 */
+ { pinmux(13), 2, 7 }, /* MMCSD0_DAT_1 */
+ { pinmux(14), 2, 0 }, /* MMCSD0_DAT_2 */
+ { pinmux(14), 2, 1 }, /* MMCSD0_DAT_3 */
+ { pinmux(14), 2, 2 }, /* MMCSD0_DAT_4 */
+ { pinmux(14), 2, 3 }, /* MMCSD0_DAT_5 */
+ { pinmux(14), 2, 4 }, /* MMCSD0_DAT_6 */
+ { pinmux(14), 2, 5 }, /* MMCSD0_DAT_7 */
+ /* DA830 supports 8-bit mode */
+};
+#endif
+
static const struct pinmux_resource pinmuxes[] = {
#ifdef CONFIG_SPI_FLASH
PINMUX_ITEM(spi0_pins),
@@ -169,6 +191,9 @@
#if defined(CONFIG_DRIVER_TI_EMAC)
PINMUX_ITEM(emac_pins),
#endif
+#ifdef CONFIG_DAVINCI_MMC
+ PINMUX_ITEM(mmc0_pins),
+#endif
};
static const struct lpsc_resource lpsc[] = {
@@ -177,8 +202,31 @@
{ DAVINCI_LPSC_EMAC }, /* image download */
{ DAVINCI_LPSC_UART2 }, /* console */
{ DAVINCI_LPSC_GPIO },
+#ifdef CONFIG_DAVINCI_MMC
+ { DAVINCI_LPSC_MMC_SD },
+#endif
+
+};
+
+#ifdef CONFIG_DAVINCI_MMC
+static struct davinci_mmc mmc_sd0 = {
+ .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
+ .host_caps = MMC_MODE_8BIT,
+ .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);
+
+ printf("%x\n", mmc_sd0.input_clk);
+
+ /* Add slot-0 to mmc subsystem */
+ return davinci_mmc_init(bis, &mmc_sd0);
+}
+#endif
+
int board_init(void)
{
#ifndef CONFIG_USE_IRQ