From e3e4e2f4146c10d6ef340c3a67e540ef00a6474e Mon Sep 17 00:00:00 2001 From: Sandeep Paulraj Date: Sat, 18 Dec 2010 18:15:25 -0500 Subject: 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 --- board/davinci/dm365evm/dm365evm.c | 49 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) (limited to 'board/davinci/dm365evm/dm365evm.c') 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 #include #include +#ifdef CONFIG_DAVINCI_MMC +#include +#include +#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 -- cgit v1.1