diff options
| author | Sandeep Paulraj <s-paulraj@ti.com> | 2010-12-18 18:15:25 -0500 |
|---|---|---|
| committer | Albert Aribaud <albert.aribaud@free.fr> | 2011-02-02 00:54:44 +0100 |
| commit | e3e4e2f4146c10d6ef340c3a67e540ef00a6474e (patch) | |
| tree | 2374f5f0f4a79007d624b840b26ec16ea11d289b /board/davinci/dm365evm/dm365evm.c | |
| parent | 073eacf0c6e453e5ce0704f9a37ca2bbfbea4ad5 (diff) | |
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.c | 49 |
1 files changed, 49 insertions, 0 deletions
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 |