[PATCH 2/4] Low-level init of hsmmc controller for LogicPD's OMAP3530LV SOM and OMAP 35x Torpedo dev boards

From: Jacob Tanenbaum
Date: Tue Aug 24 2010 - 23:55:18 EST


From: jake <jake@Glados.(none)>

ARM: OMAP3LOGIC: Adding SDMMC support
Add low-level initialization for hsmmc controller for
LogicPD's OMAP 3530 LV SOM and OMAP 35x Torpedo board.

Tested against: 81e09f50c93edff607259cbe374a3006c9c5fa74
Signed-off-by: Jacob Tanenbaum <Jacob.Tanenbaum@xxxxxxxxxxx>
---
arch/arm/mach-omap2/board-omap3logic.c | 40 +++++++++++++++++++++++++++++++-
1 files changed, 39 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c
index 30af7da..bd83a83 100644
--- a/arch/arm/mach-omap2/board-omap3logic.c
+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -33,6 +33,7 @@
#include <asm/mach/map.h>

#include "mux.h"
+#include "hsmmc.h"

#include <plat/mux.h>
#include <plat/board.h>
@@ -110,6 +111,7 @@ 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[] = {
@@ -128,6 +130,42 @@ static int __init omap3logic_i2c_init(void)
return 0;
}

+static struct omap2_hsmmc_info __initdata board_mmc_info[] = {
+ {
+ .name = "external",
+ .mmc = 1,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ },
+ {} /* Terminator */
+};
+
+static void __init board_mmc_init(void)
+{
+ /* OMAP3530 LV SOM board */
+ if (machine_is_omap3530_lv_som()) {
+ 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);
+
+
+ /* OMAP3 Torpedo board */
+ } else if (machine_is_omap3_torpedo()) {
+ board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD;
+ omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT);
+ /* unsupported board */
+ } else {
+ 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)
{
init_sdram(mt46h32m32lf6_sdrc_params);
@@ -141,7 +179,7 @@ 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);
--
1.7.2.1

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