[RFC,v2,4/7] OMAP4: mux: Add CBL package data for OMAP4430 ES1

Commit Message

Tony Lindgren Nov. 11, 2010, 1:56 a.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 3fec4d6..3fda20d 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -293,6 +293,8 @@  static struct omap_board_mux rx51_mmc2_off_mux[] = {
 	{ .reg_offset = OMAP_MUX_TERMINATOR },
 };
 
+static struct omap_mux_partition *partition;
+
 /*
  * Current flows to eMMC when eMMC is off and the data lines are pulled up,
  * so pull them down. N.B. we pull 8 lines because we are using 8 lines.
@@ -300,9 +302,9 @@  static struct omap_board_mux rx51_mmc2_off_mux[] = {
 static void rx51_mmc2_remux(struct device *dev, int slot, int power_on)
 {
 	if (power_on)
-		omap_mux_write_array(rx51_mmc2_on_mux);
+		omap_mux_write_array(partition, rx51_mmc2_on_mux);
 	else
-		omap_mux_write_array(rx51_mmc2_off_mux);
+		omap_mux_write_array(partition, rx51_mmc2_off_mux);
 }
 
 static struct omap2_hsmmc_info mmc[] __initdata = {
@@ -922,7 +924,11 @@  void __init rx51_peripherals_init(void)
 	rx51_init_wl1251();
 	spi_register_board_info(rx51_peripherals_spi_board_info,
 				ARRAY_SIZE(rx51_peripherals_spi_board_info));
-	omap2_hsmmc_init(mmc);
+
+	partition = omap_mux_get("core");
+	if (partition)
+		omap2_hsmmc_init(mmc);
+
 	platform_device_register(&rx51_charger_device);
 }
 
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index 9b9128e..6d91bb8 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -49,7 +49,19 @@  struct omap_mux_entry {
 static LIST_HEAD(mux_partitions);
 static DEFINE_MUTEX(muxmode_mutex);
 
-static u16 omap_mux_read(struct omap_mux_partition *partition, u16 reg)
+struct omap_mux_partition * omap_mux_get(const char *name)
+{
+	struct omap_mux_partition *partition;
+
+	list_for_each_entry(partition, &mux_partitions, node) {
+		if (!strcmp(name, partition->name))
+			return partition;
+	}
+
+	return NULL;
+}
+
+u16 omap_mux_read(struct omap_mux_partition *partition, u16 reg)
 {
 	if (partition->flags & OMAP_MUX_REG_8BIT)
 		return __raw_readb(partition->base + reg);
@@ -57,7 +69,7 @@  static u16 omap_mux_read(struct omap_mux_partition *partition, u16 reg)
 		return __raw_readw(partition->base + reg);
 }
 
-static void omap_mux_write(struct omap_mux_partition *partition, u16 val,
+void omap_mux_write(struct omap_mux_partition *partition, u16 val,
 			   u16 reg)
 {
 	if (partition->flags & OMAP_MUX_REG_8BIT)
@@ -66,7 +78,7 @@  static void omap_mux_write(struct omap_mux_partition *partition, u16 val,
 		__raw_writew(val, partition->base + reg);
 }
 
-static void omap_mux_write_array(struct omap_mux_partition *partition,
+void omap_mux_write_array(struct omap_mux_partition *partition,
 				 struct omap_board_mux *board_mux)
 {
 	while (board_mux->reg_offset != OMAP_MUX_TERMINATOR) {
diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h
index dad32f6..6656043 100644
--- a/arch/arm/mach-omap2/mux.h
+++ b/arch/arm/mach-omap2/mux.h
@@ -186,6 +186,40 @@  u16 omap_mux_get_gpio(int gpio);
 void omap_mux_set_gpio(u16 val, int gpio);
 
 /**
+ * omap_mux_get() - get a mux partition by name
+ * @name:		Name of the mux partition
+ *
+ */
+struct omap_mux_partition * omap_mux_get(const char *name);
+
+/**
+ * omap_mux_read() - read mux register
+ * @partition:		Mux partition
+ * @mux_offset:		Offset of the mux register
+ *
+ */
+u16 omap_mux_read(struct omap_mux_partition *p, u16 mux_offset);
+
+/**
+ * omap_mux_write() - write mux register
+ * @partition:		Mux partition
+ * @val:		New mux register value
+ * @mux_offset:		Offset of the mux register
+ *
+ * This should be only needed for dynamic remuxing of non-gpio signals.
+ */
+void omap_mux_write(struct omap_mux_partition *p, u16 val, u16 mux_offset);
+
+/**
+ * omap_mux_write_array() - write an array of mux registers
+ * @partition:		Mux partition
+ * @board_mux:		Array of mux registers terminated by MAP_MUX_TERMINATOR
+ *
+ * This should be only needed for dynamic remuxing of non-gpio signals.
+ */
+void omap_mux_write_array(struct omap_mux_partition *p, struct omap_board_mux *board_mux);
+
+/**
  * omap2420_mux_init() - initialize mux system with board specific set
  * @board_mux:		Board specific mux table
  * @flags:		OMAP package type used for the board