From e3e4e2f4146c10d6ef340c3a67e540ef00a6474e Mon Sep 17 00:00:00 2001
From: Sandeep Paulraj <s-paulraj@ti.com>
Date: Sat, 18 Dec 2010 18:15:25 -0500
Subject: [PATCH] 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>
---
board/davinci/dm365evm/dm365evm.c | 49 ++++++++++++++++++++++++++++++
include/configs/davinci_dm365evm.h | 22 ++++++++++++++
2 files changed, 71 insertions(+)
diff --git a/board/davinci/dm365evm/dm365evm.c b/board/davinci/dm365evm/dm365evm.c
index bc681f7d4b..5fb76111b4 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
diff --git a/include/configs/davinci_dm365evm.h b/include/configs/davinci_dm365evm.h
index a36e13823d..28250506a9 100644
--- a/include/configs/davinci_dm365evm.h
+++ b/include/configs/davinci_dm365evm.h
@@ -85,6 +85,13 @@
#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
+
#define PINMUX4_USBDRVBUS_BITCLEAR 0x3000
#define PINMUX4_USBDRVBUS_BITSET 0x2000
@@ -137,6 +144,13 @@
#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
@@ -168,6 +182,14 @@
#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 3
#define CONFIG_BOOTCOMMAND \
"dhcp;bootm"
--
2.39.5