diff options
| author | Sandeep Paulraj <s-paulraj@ti.com> | 2009-06-20 14:00:52 -0400 |
|---|---|---|
| committer | Kevin Hilman <khilman@deeprootsystems.com> | 2009-08-26 10:56:59 +0300 |
| commit | a45c8ba30bca0c3257785cae28680781fd356a85 (patch) | |
| tree | 874d42618210c0e8d37ea0c12563b2aaeac1ae6a /arch | |
| parent | 19ff3bf2e8473c03bb80052728bfa91c0fdf10f8 (diff) | |
| download | op-kernel-dev-a45c8ba30bca0c3257785cae28680781fd356a85.zip op-kernel-dev-a45c8ba30bca0c3257785cae28680781fd356a85.tar.gz | |
davinci: MMC/SD Support for dm365 EVM
Patch adds support for MMC/SD in the DM365 EVM.
Pinmux for MMC/SD slot 1 on the DM365 EVM is also
configured.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-davinci/board-dm365-evm.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 9dda399..e62d1ab 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -33,6 +33,7 @@ #include <linux/i2c.h> #include <mach/serial.h> #include <mach/common.h> +#include <mach/mmc.h> #define DM365_EVM_PHY_MASK (0x2) #define DM365_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ @@ -57,6 +58,13 @@ static struct davinci_i2c_platform_data i2c_pdata = { .bus_delay = 0 /* usec */, }; +static struct davinci_mmc_config dm365evm_mmc_config = { + .wires = 4, + .max_freq = 50000000, + .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, + .version = MMC_CTLR_VERSION_2, +}; + static void dm365evm_emac_configure(void) { /* @@ -93,6 +101,21 @@ static void dm365evm_emac_configure(void) davinci_cfg_reg(DM365_INT_EMAC_MISCPULSE); } +static void dm365evm_mmc_configure(void) +{ + /* + * MMC/SD pins are multiplexed with GPIO and EMIF + * Further details are available at the DM365 ARM + * Subsystem Users Guide(sprufg5.pdf) pages 118, 128 - 131 + */ + davinci_cfg_reg(DM365_SD1_CLK); + davinci_cfg_reg(DM365_SD1_CMD); + davinci_cfg_reg(DM365_SD1_DATA3); + davinci_cfg_reg(DM365_SD1_DATA2); + davinci_cfg_reg(DM365_SD1_DATA1); + davinci_cfg_reg(DM365_SD1_DATA0); +} + static void __init evm_init_i2c(void) { davinci_init_i2c(&i2c_pdata); @@ -116,6 +139,10 @@ static __init void dm365_evm_init(void) davinci_serial_init(&uart_config); dm365evm_emac_configure(); + dm365evm_mmc_configure(); + + davinci_setup_mmc(0, &dm365evm_mmc_config); + davinci_setup_mmc(1, &dm365evm_mmc_config); soc_info->emac_pdata->phy_mask = DM365_EVM_PHY_MASK; soc_info->emac_pdata->mdio_max_freq = DM365_EVM_MDIO_FREQUENCY; |
