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authorSandeep Paulraj <s-paulraj@ti.com>2010-12-18 18:15:25 -0500
committerAlbert Aribaud <albert.aribaud@free.fr>2011-02-02 00:54:44 +0100
commite3e4e2f4146c10d6ef340c3a67e540ef00a6474e (patch)
tree2374f5f0f4a79007d624b840b26ec16ea11d289b /board/davinci/dm365evm/dm365evm.c
parent073eacf0c6e453e5ce0704f9a37ca2bbfbea4ad5 (diff)
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DaVinci DM365: Adding MMC/SD support for DM365 EVM
The patch adds support for MMC/SD in the DM365 EVM Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'board/davinci/dm365evm/dm365evm.c')
-rw-r--r--board/davinci/dm365evm/dm365evm.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/board/davinci/dm365evm/dm365evm.c b/board/davinci/dm365evm/dm365evm.c
index bc681f7..5fb7611 100644
--- a/board/davinci/dm365evm/dm365evm.c
+++ b/board/davinci/dm365evm/dm365evm.c
@@ -25,6 +25,10 @@
#include <asm/arch/gpio_defs.h>
#include <netdev.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;
@@ -101,3 +105,48 @@ int board_nand_init(struct nand_chip *nand)
return 0;
}
#endif
+
+#ifdef CONFIG_DAVINCI_MMC
+static struct davinci_mmc mmc_sd0 = {
+ .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
+ .input_clk = 121500000,
+ .host_caps = MMC_MODE_4BIT,
+ .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .version = MMC_CTLR_VERSION_2,
+};
+
+#ifdef CONFIG_DAVINCI_MMC_SD1
+static struct davinci_mmc mmc_sd1 = {
+ .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
+ .input_clk = 121500000,
+ .host_caps = MMC_MODE_4BIT,
+ .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .version = MMC_CTLR_VERSION_2,
+};
+#endif
+
+int board_mmc_init(bd_t *bis)
+{
+ int err;
+
+ /* Add slot-0 to mmc subsystem */
+ err = davinci_mmc_init(bis, &mmc_sd0);
+ if (err)
+ return err;
+
+#ifdef CONFIG_DAVINCI_MMC_SD1
+#define PUPDCTL1 0x01c4007c
+ /* PINMUX(4)-DAT0-3/CMD; PINMUX(0)-CLK */
+ writel((readl(PINMUX4) | 0x55400000), PINMUX4);
+ writel((readl(PINMUX0) | 0x00010000), PINMUX0);
+
+ /* Configure MMC/SD pins as pullup */
+ writel((readl(PUPDCTL1) & ~0x07c0), PUPDCTL1);
+
+ /* Add slot-1 to mmc subsystem */
+ err = davinci_mmc_init(bis, &mmc_sd1);
+#endif
+
+ return err;
+}
+#endif