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authorSandeep Paulraj <s-paulraj@ti.com>2009-06-20 14:00:52 -0400
committerKevin Hilman <khilman@deeprootsystems.com>2009-08-26 10:56:59 +0300
commita45c8ba30bca0c3257785cae28680781fd356a85 (patch)
tree874d42618210c0e8d37ea0c12563b2aaeac1ae6a /arch/arm/mach-davinci
parent19ff3bf2e8473c03bb80052728bfa91c0fdf10f8 (diff)
downloadop-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/arm/mach-davinci')
-rw-r--r--arch/arm/mach-davinci/board-dm365-evm.c27
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;
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