[1/6] omap: mmc: split out init for 2420

Commit Message

kishore kadiyala Feb. 23, 2011, 5:14 p.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index b36cbd2..e710cd9 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -536,7 +536,7 @@  static void __init n8x0_mmc_init(void)
 	}
 
 	mmc_data[0] = &mmc1_data;
-	omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC);
+	omap242x_init_mmc(mmc_data);
 }
 #else
 
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 71f099b..7b35c87 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -609,11 +609,10 @@  err1:
 static inline void omap_hsmmc_reset(void) {}
 #endif
 
-#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
-	defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
 
-static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
-			int controller_nr)
+static inline void omap242x_mmc_mux(struct omap_mmc_platform_data
+							*mmc_controller)
 {
 	if ((mmc_controller->slots[0].switch_pin > 0) && \
 		(mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
@@ -624,33 +623,61 @@  static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
 		omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
 					OMAP_PIN_INPUT_PULLUP);
 
-	if (cpu_is_omap2420() && controller_nr == 0) {
-		omap_mux_init_signal("sdmmc_cmd", 0);
-		omap_mux_init_signal("sdmmc_clki", 0);
-		omap_mux_init_signal("sdmmc_clko", 0);
-		omap_mux_init_signal("sdmmc_dat0", 0);
-		omap_mux_init_signal("sdmmc_dat_dir0", 0);
-		omap_mux_init_signal("sdmmc_cmd_dir", 0);
-		if (mmc_controller->slots[0].caps & MMC_CAP_4_BIT_DATA) {
-			omap_mux_init_signal("sdmmc_dat1", 0);
-			omap_mux_init_signal("sdmmc_dat2", 0);
-			omap_mux_init_signal("sdmmc_dat3", 0);
-			omap_mux_init_signal("sdmmc_dat_dir1", 0);
-			omap_mux_init_signal("sdmmc_dat_dir2", 0);
-			omap_mux_init_signal("sdmmc_dat_dir3", 0);
-		}
+	omap_mux_init_signal("sdmmc_cmd", 0);
+	omap_mux_init_signal("sdmmc_clki", 0);
+	omap_mux_init_signal("sdmmc_clko", 0);
+	omap_mux_init_signal("sdmmc_dat0", 0);
+	omap_mux_init_signal("sdmmc_dat_dir0", 0);
+	omap_mux_init_signal("sdmmc_cmd_dir", 0);
+	if (mmc_controller->slots[0].caps & MMC_CAP_4_BIT_DATA) {
+		omap_mux_init_signal("sdmmc_dat1", 0);
+		omap_mux_init_signal("sdmmc_dat2", 0);
+		omap_mux_init_signal("sdmmc_dat3", 0);
+		omap_mux_init_signal("sdmmc_dat_dir1", 0);
+		omap_mux_init_signal("sdmmc_dat_dir2", 0);
+		omap_mux_init_signal("sdmmc_dat_dir3", 0);
+	}
 
-		/*
-		 * Use internal loop-back in MMC/SDIO Module Input Clock
-		 * selection
-		 */
-		if (mmc_controller->slots[0].internal_clock) {
-			u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
-			v |= (1 << 24);
-			omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
-		}
+	/*
+	 * Use internal loop-back in MMC/SDIO Module Input Clock
+	 * selection
+	 */
+	if (mmc_controller->slots[0].internal_clock) {
+		u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+		v |= (1 << 24);
+		omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
+	}
+}
+
+void __init omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data)
+{
+	char *name = "mmci-omap";
+
+	if (!mmc_data[0]) {
+		pr_err("%s fails: Incomplete platform data\n", __func__);
+		return;
 	}
 
+	omap242x_mmc_mux(mmc_data[0]);
+	omap_mmc_add(name, 0, OMAP2_MMC1_BASE, OMAP2420_MMC_SIZE,
+					INT_24XX_MMC_IRQ, mmc_data[0]);
+}
+
+#endif
+
+#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
+
+static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
+			int controller_nr)
+{
+	if ((mmc_controller->slots[0].switch_pin > 0) && \
+		(mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
+		omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
+					OMAP_PIN_INPUT_PULLUP);
+	if ((mmc_controller->slots[0].gpio_wp > 0) && \
+		(mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
+		omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
+					OMAP_PIN_INPUT_PULLUP);
 	if (cpu_is_omap34xx()) {
 		if (controller_nr == 0) {
 			omap_mux_init_signal("sdmmc1_clk",
@@ -767,10 +794,7 @@  void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
 			continue;
 		}
 
-		if (cpu_is_omap2420()) {
-			size = OMAP2420_MMC_SIZE;
-			name = "mmci-omap";
-		} else if (cpu_is_omap44xx()) {
+		if (cpu_is_omap44xx()) {
 			if (i < 3)
 				irq += OMAP44XX_IRQ_GIC_START;
 			size = OMAP4_HSMMC_SIZE;
diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
index f57f36a..e5de5d4 100644
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -159,6 +159,7 @@  extern void omap_mmc_notify_cover_event(struct device *dev, int slot,
 	defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
 void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
 				int nr_controllers);
+void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data);
 void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
 				int nr_controllers);
 int omap_mmc_add(const char *name, int id, unsigned long base,
@@ -169,6 +170,9 @@  static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
 				int nr_controllers)
 {
 }
+static inline void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data)
+{
+}
 static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
 				int nr_controllers)
 {