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| author | Vishwanathrao Badarkhe, Manish <manishv.b@ti.com> | 2013-05-22 03:38:48 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-06-10 08:43:11 -0400 |
| commit | 03e08d7cf6f0c41acb03d3b2c82f39a827a11a10 (patch) | |
| tree | 9f685f64522bbf2794360dfd134d4fadaee7010f /board/davinci/da8xxevm | |
| parent | e9090fa45a3d537edac0a7eecae75c9a4e75ec86 (diff) | |
| download | u-boot-imx-03e08d7cf6f0c41acb03d3b2c82f39a827a11a10.zip u-boot-imx-03e08d7cf6f0c41acb03d3b2c82f39a827a11a10.tar.gz u-boot-imx-03e08d7cf6f0c41acb03d3b2c82f39a827a11a10.tar.bz2 | |
da830: add MMC support
Add MMC support for da830 boards in order to perform
mmc operations(read,write and erase).
Signed-off-by: Vishwanathrao Badarkhe, Manish <manishv.b@ti.com>
Diffstat (limited to 'board/davinci/da8xxevm')
| -rw-r--r-- | board/davinci/da8xxevm/da830evm.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/board/davinci/da8xxevm/da830evm.c b/board/davinci/da8xxevm/da830evm.c index c45c94b..bf014ae 100644 --- a/board/davinci/da8xxevm/da830evm.c +++ b/board/davinci/da8xxevm/da830evm.c @@ -44,6 +44,11 @@ #include <asm/arch/nand_defs.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; /* SPI0 pin muxer settings */ @@ -153,6 +158,23 @@ static const struct pinmux_config usb_pins[] = { { pinmux(9), 1, 1 } }; +#ifdef CONFIG_DAVINCI_MMC +/* MMC0 pin muxer settings */ +const struct pinmux_config mmc0_pins[] = { + { pinmux(15), 2, 7 }, /* MMCSD0_CLK */ + { pinmux(16), 2, 0 }, /* MMCSD0_CMD */ + { pinmux(13), 2, 6 }, /* MMCSD0_DAT_0 */ + { pinmux(13), 2, 7 }, /* MMCSD0_DAT_1 */ + { pinmux(14), 2, 0 }, /* MMCSD0_DAT_2 */ + { pinmux(14), 2, 1 }, /* MMCSD0_DAT_3 */ + { pinmux(14), 2, 2 }, /* MMCSD0_DAT_4 */ + { pinmux(14), 2, 3 }, /* MMCSD0_DAT_5 */ + { pinmux(14), 2, 4 }, /* MMCSD0_DAT_6 */ + { pinmux(14), 2, 5 }, /* MMCSD0_DAT_7 */ + /* DA830 supports 8-bit mode */ +}; +#endif + static const struct pinmux_resource pinmuxes[] = { #ifdef CONFIG_SPI_FLASH PINMUX_ITEM(spi0_pins), @@ -169,6 +191,9 @@ static const struct pinmux_resource pinmuxes[] = { #if defined(CONFIG_DRIVER_TI_EMAC) PINMUX_ITEM(emac_pins), #endif +#ifdef CONFIG_DAVINCI_MMC + PINMUX_ITEM(mmc0_pins), +#endif }; static const struct lpsc_resource lpsc[] = { @@ -177,8 +202,31 @@ static const struct lpsc_resource lpsc[] = { { DAVINCI_LPSC_EMAC }, /* image download */ { DAVINCI_LPSC_UART2 }, /* console */ { DAVINCI_LPSC_GPIO }, +#ifdef CONFIG_DAVINCI_MMC + { DAVINCI_LPSC_MMC_SD }, +#endif + }; +#ifdef CONFIG_DAVINCI_MMC +static struct davinci_mmc mmc_sd0 = { + .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE, + .host_caps = MMC_MODE_8BIT, + .voltages = MMC_VDD_32_33 | MMC_VDD_33_34, + .version = MMC_CTLR_VERSION_2, +}; + +int board_mmc_init(bd_t *bis) +{ + mmc_sd0.input_clk = clk_get(DAVINCI_MMCSD_CLKID); + + printf("%x\n", mmc_sd0.input_clk); + + /* Add slot-0 to mmc subsystem */ + return davinci_mmc_init(bis, &mmc_sd0); +} +#endif + int board_init(void) { #ifndef CONFIG_USE_IRQ |