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davinci: MMC/SD Support for dm365 EVM

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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>
This commit is contained in:
Sandeep Paulraj 2009-06-20 14:00:52 -04:00 committed by Kevin Hilman
parent 19ff3bf2e8
commit a45c8ba30b
1 changed files with 27 additions and 0 deletions
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27
arch/arm/mach-davinci/board-dm365-evm.c
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@ -33,6 +33,7 @@
#include <linux/i2c.h> #include <linux/i2c.h>
#include <mach/serial.h> #include <mach/serial.h>
#include <mach/common.h> #include <mach/common.h>
#include <mach/mmc.h>
#define DM365_EVM_PHY_MASK (0x2) #define DM365_EVM_PHY_MASK (0x2)
#define DM365_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */ #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 */, .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) static void dm365evm_emac_configure(void)
{ {
/* /*
@ -93,6 +101,21 @@ static void dm365evm_emac_configure(void)
davinci_cfg_reg(DM365_INT_EMAC_MISCPULSE); 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) static void __init evm_init_i2c(void)
{ {
davinci_init_i2c(&i2c_pdata); davinci_init_i2c(&i2c_pdata);
@ -116,6 +139,10 @@ static __init void dm365_evm_init(void)
davinci_serial_init(&uart_config); davinci_serial_init(&uart_config);
dm365evm_emac_configure(); 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->phy_mask = DM365_EVM_PHY_MASK;
soc_info->emac_pdata->mdio_max_freq = DM365_EVM_MDIO_FREQUENCY; soc_info->emac_pdata->mdio_max_freq = DM365_EVM_MDIO_FREQUENCY;