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authorSandeep Paulraj <s-paulraj@ti.com>2010-12-18 18:14:49 -0500
committerAlbert Aribaud <albert.aribaud@free.fr>2011-02-02 00:54:44 +0100
commit073eacf0c6e453e5ce0704f9a37ca2bbfbea4ad5 (patch)
tree35fa15c60dbe5ffd0a301b9cbf3f1748a89e5de3
parent57418d2139f032f9dae8cea38917aa90fdd673d8 (diff)
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DaVinci DM355: Adding MMC/SD support for DM355 EVM
The patch adds support for MMC/SD in the DM355 EVM Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
-rw-r--r--board/davinci/dm355evm/dm355evm.c41
-rw-r--r--include/configs/davinci_dm355evm.h22
2 files changed, 63 insertions, 0 deletions
diff --git a/board/davinci/dm355evm/dm355evm.c b/board/davinci/dm355evm/dm355evm.c
index b9260b8..112851a 100644
--- a/board/davinci/dm355evm/dm355evm.c
+++ b/board/davinci/dm355evm/dm355evm.c
@@ -25,6 +25,10 @@
#include <asm/arch/davinci_misc.h>
#include <net.h>
#include <netdev.h>
+#ifdef CONFIG_DAVINCI_MMC
+#include <mmc.h>
+#include <asm/arch/sdmmc_defs.h>
+#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -114,3 +118,40 @@ int board_nand_init(struct nand_chip *nand)
}
#endif
+
+#ifdef CONFIG_DAVINCI_MMC
+static struct davinci_mmc mmc_sd0 = {
+ .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
+ .input_clk = 108000000,
+ .host_caps = MMC_MODE_4BIT,
+ .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .version = MMC_CTLR_VERSION_1,
+};
+
+#ifdef CONFIG_DAVINCI_MMC_SD1
+static struct davinci_mmc mmc_sd1 = {
+ .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
+ .input_clk = 108000000,
+ .host_caps = MMC_MODE_4BIT,
+ .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .version = MMC_CTLR_VERSION_1,
+};
+#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
+ /* Add slot-1 to mmc subsystem */
+ err = davinci_mmc_init(bis, &mmc_sd1);
+#endif
+
+ return err;
+}
+#endif
diff --git a/include/configs/davinci_dm355evm.h b/include/configs/davinci_dm355evm.h
index 90f8e7c..56d0ac9 100644
--- a/include/configs/davinci_dm355evm.h
+++ b/include/configs/davinci_dm355evm.h
@@ -76,6 +76,13 @@
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_MAX_CHIPS 2
+/* SD/MMC */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_DAVINCI_MMC
+#define CONFIG_DAVINCI_MMC_SD1
+#define CONFIG_MMC_MBLOCK
+
/* USB: OTG connector */
/* NYET -- #define CONFIG_USB_DAVINCI */
@@ -93,6 +100,13 @@
#define CONFIG_CMD_PING
#define CONFIG_CMD_SAVES
+#ifdef CONFIG_MMC
+#define CONFIG_DOS_PARTITION
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_MMC
+#endif
+
#ifdef CONFIG_NAND_DAVINCI
#define CONFIG_CMD_MTDPARTS
#define CONFIG_MTD_PARTITIONS
@@ -134,6 +148,14 @@
#undef CONFIG_ENV_IS_IN_FLASH
#endif
+#if defined(CONFIG_MMC) && !defined(CONFIG_ENV_IS_IN_NAND)
+#define CONFIG_CMD_ENV
+#define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */
+#define CONFIG_ENV_OFFSET (51 << 9) /* Sector 51 */
+#define CONFIG_ENV_IS_IN_MMC
+#undef CONFIG_ENV_IS_IN_FLASH
+#endif
+
#define CONFIG_BOOTDELAY 5
#define CONFIG_BOOTCOMMAND \
"dhcp;bootm"