diff options
| author | Tim Nordell <tim.nordell@logicpd.com> | 2010-09-27 16:05:48 +0000 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-09-28 11:39:18 -0700 |
| commit | 8430281b0a909048cc0e38756b11ae309bb783cd (patch) | |
| tree | b7e09c4a0417668777b3221a40ce623c84b4ba3d /arch | |
| parent | d40f3f15d31e93fce3960d90caaa5a40b52494e8 (diff) | |
ARM: OMAP3LOGIC: Adding SDMMC support
Add low-level initialization for hsmmc controller for
LogicPD's OMAP 3530 LV SOM and OMAP 35x Torpedo board.
Signed-off-by: Tim Nordell <tim.nordell@logicpd.com>
[tony@atomide.com: updated for the recent mmc platform init changes]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3logic.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c index ac3b0f7163ce..8b6036053e1b 100644 --- a/arch/arm/mach-omap2/board-omap3logic.c +++ b/arch/arm/mach-omap2/board-omap3logic.c @@ -26,6 +26,7 @@ #include <linux/regulator/machine.h> #include <linux/i2c/twl.h> +#include <linux/mmc/host.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -33,6 +34,7 @@ #include <asm/mach/map.h> #include "mux.h" +#include "hsmmc.h" #include <plat/mux.h> #include <plat/board.h> @@ -87,6 +89,7 @@ static struct twl4030_platform_data omap3logic_twldata = { /* platform_data for children goes here */ .gpio = &omap3logic_gpio_data, + .vmmc1 = &omap3logic_vmmc1, }; static struct i2c_board_info __initdata omap3logic_i2c_boardinfo[] = { @@ -105,6 +108,40 @@ static int __init omap3logic_i2c_init(void) return 0; } +static struct omap2_hsmmc_info __initdata board_mmc_info[] = { + { + .name = "external", + .mmc = 1, + .caps = MMC_CAP_4_BIT_DATA, + .gpio_cd = -EINVAL, + .gpio_wp = -EINVAL, + }, + {} /* Terminator */ +}; + +static void __init board_mmc_init(void) +{ + if (machine_is_omap3530_lv_som()) { + /* OMAP3530 LV SOM board */ + board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD; + board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP; + omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT); + omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT); + } else if (machine_is_omap3_torpedo()) { + /* OMAP3 Torpedo board */ + board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD; + omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT); + } else { + /* unsupported board */ + printk(KERN_ERR "%s(): unknown machine type\n", __func__); + return; + } + + omap2_hsmmc_init(board_mmc_info); + /* link regulators to MMC adapters */ + omap3logic_vmmc1_supply.dev = board_mmc_info[0].dev; +} + static void __init omap3logic_init_irq(void) { omap2_init_common_hw(NULL, NULL); @@ -116,7 +153,7 @@ static void __init omap3logic_init(void) { omap3logic_i2c_init(); omap_serial_init(); - + board_mmc_init(); /* Ensure SDRC pins are mux'd for self-refresh */ omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); |