ARM: OMAP: Apollon MMC support

Apollon board MMC supports on OMAP2

TODO:
        We have to check MMC on H4

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

3 files changed, 36 insertions, 5 deletions

diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index 7993b7bae2bd..2db6b732b084 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -166,8 +166,8 @@ static struct omap_uart_config apollon_uart_config __initdata = {
 
 static struct omap_mmc_config apollon_mmc_config __initdata = {
         .mmc [0] = {
-                .enabled        = 0,
-                .wire4          = 0,
+                .enabled        = 1,
+                .wire4          = 1,
                 .wp_pin         = -1,
                 .power_pin      = -1,
                 .switch_pin     = -1,
@@ -257,6 +257,9 @@ static void __init omap_apollon_init(void)
         /* REVISIT: where's the correct place */
         omap_cfg_reg(W19_24XX_SYS_NIRQ);
 
+        /* Use Interal loop-back in MMC/SDIO Module Input Clock selection */
+        CONTROL_DEVCONF |= (1 << 24);
+
         /*
          * Make sure the serial ports are muxed on at this point.
          * You have to mux them off in device drivers later on
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 60ef084faffd..f538d0fdb13c 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -104,6 +104,20 @@ MUX_CFG_24XX("P20_24XX_TSC_IRQ",	0x108,	0,	0,	0,	1)
 MUX_CFG_24XX("K15_24XX_UART3_TX",       0x118,  0,      0,      0,      1)
 MUX_CFG_24XX("K14_24XX_UART3_RX",       0x119,  0,      0,      0,      1)
 
+/* MMC/SDIO */
+MUX_CFG_24XX("G19_24XX_MMC_CLKO",       0x0f3,  0,      0,      0,      1)
+MUX_CFG_24XX("H18_24XX_MMC_CMD",        0x0f4,  0,      0,      0,      1)
+MUX_CFG_24XX("F20_24XX_MMC_DAT0",       0x0f5,  0,      0,      0,      1)
+MUX_CFG_24XX("H14_24XX_MMC_DAT1",       0x0f6,  0,      0,      0,      1)
+MUX_CFG_24XX("E19_24XX_MMC_DAT2",       0x0f7,  0,      0,      0,      1)
+MUX_CFG_24XX("D19_24XX_MMC_DAT3",       0x0f8,  0,      0,      0,      1)
+MUX_CFG_24XX("F19_24XX_MMC_DAT_DIR0",   0x0f9,  0,      0,      0,      1)
+MUX_CFG_24XX("E20_24XX_MMC_DAT_DIR1",   0x0fa,  0,      0,      0,      1)
+MUX_CFG_24XX("F18_24XX_MMC_DAT_DIR2",   0x0fb,  0,      0,      0,      1)
+MUX_CFG_24XX("E18_24XX_MMC_DAT_DIR3",   0x0fc,  0,      0,      0,      1)
+MUX_CFG_24XX("G18_24XX_MMC_CMD_DIR",    0x0fd,  0,      0,      0,      1)
+MUX_CFG_24XX("H15_24XX_MMC_CLKI",       0x0fe,  0,      0,      0,      1)
+
 /* Keypad GPIO*/
 MUX_CFG_24XX("T19_24XX_KBR0",           0x106,  3,      1,      1,      1)
 MUX_CFG_24XX("R19_24XX_KBR1",           0x107,  3,      1,      1,      1)
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index 1812f237d12f..dbc3f44e07a6 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -148,7 +148,7 @@ static inline void omap_init_kp(void) {}
 
 #ifdef CONFIG_ARCH_OMAP24XX
 #define OMAP_MMC1_BASE          0x4809c000
-#define OMAP_MMC1_INT           83
+#define OMAP_MMC1_INT           INT_24XX_MMC_IRQ
 #else
 #define OMAP_MMC1_BASE          0xfffb7800
 #define OMAP_MMC1_INT           INT_MMC
@@ -225,7 +225,14 @@ static void __init omap_init_mmc(void)
         /* block 1 is always available and has just one pinout option */
         mmc = &mmc_conf->mmc[0];
         if (mmc->enabled) {
-                if (!cpu_is_omap24xx()) {
+                if (cpu_is_omap24xx()) {
+                        omap_cfg_reg(H18_24XX_MMC_CMD);
+                        omap_cfg_reg(H15_24XX_MMC_CLKI);
+                        omap_cfg_reg(G19_24XX_MMC_CLKO);
+                        omap_cfg_reg(F20_24XX_MMC_DAT0);
+                        omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
+                        omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
+                } else {
                         omap_cfg_reg(MMC_CMD);
                         omap_cfg_reg(MMC_CLK);
                         omap_cfg_reg(MMC_DAT0);
@@ -236,7 +243,14 @@ static void __init omap_init_mmc(void)
                         }
                 }
                 if (mmc->wire4) {
-                        if (!cpu_is_omap24xx()) {
+                        if (cpu_is_omap24xx()) {
+                                omap_cfg_reg(H14_24XX_MMC_DAT1);
+                                omap_cfg_reg(E19_24XX_MMC_DAT2);
+                                omap_cfg_reg(D19_24XX_MMC_DAT3);
+                                omap_cfg_reg(E20_24XX_MMC_DAT_DIR1);
+                                omap_cfg_reg(F18_24XX_MMC_DAT_DIR2);
+                                omap_cfg_reg(E18_24XX_MMC_DAT_DIR3);
+                        } else {
                                 omap_cfg_reg(MMC_DAT1);
                                 /* NOTE:  DAT2 can be on W10 (here) or M15 */
                                 if (!mmc->nomux)