arm: omap3: cm-t35: add support for cm-t3730

cm-t3730 is basically the same board as cm-t35,
but has AM/DM3730 SoC assembled and therefore some changes are required.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Mike Rapoport <mike@compulab.co.il>
[tony@atomide.com: updated for init_irq cleanup as noted by khilman@ti.com]
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/Kconfig

@@ -266,9 +266,10 @@ config MACH_OMAP_ZOOM3
 	select REGULATOR_FIXED_VOLTAGE
 
 config MACH_CM_T35
-	bool "CompuLab CM-T35 module"
+	bool "CompuLab CM-T35/CM-T3730 modules"
 	depends on ARCH_OMAP3
 	default y
+	select MACH_CM_T3730
 	select OMAP_PACKAGE_CUS
 
 config MACH_CM_T3517
@@ -277,6 +278,9 @@ config MACH_CM_T3517
 	default y
 	select OMAP_PACKAGE_CBB
 
+config MACH_CM_T3730
+       bool
+
 config MACH_IGEP0020
 	bool "IGEP v2 board"
 	depends on ARCH_OMAP3

arch/arm/mach-omap2/board-cm-t35.c

@@ -1,5 +1,5 @@
 /*
- * board-cm-t35.c (CompuLab CM-T35 module)
+ * CompuLab CM-T35/CM-T3730 modules support
  *
  * Copyright (C) 2009-2011 CompuLab, Ltd.
  * Authors: Mike Rapoport <mike@compulab.co.il>
@@ -570,17 +570,11 @@ static struct omap_board_mux board_mux[] __initdata = {
 	OMAP3_MUX(UART1_TX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 	OMAP3_MUX(UART1_RX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 
-	/* DSS */
+	/* common DSS */
 	OMAP3_MUX(DSS_PCLK, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 	OMAP3_MUX(DSS_HSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 	OMAP3_MUX(DSS_VSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 	OMAP3_MUX(DSS_ACBIAS, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 	OMAP3_MUX(DSS_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 	OMAP3_MUX(DSS_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 	OMAP3_MUX(DSS_DATA8, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
@@ -593,12 +587,6 @@ static struct omap_board_mux board_mux[] __initdata = {
 	OMAP3_MUX(DSS_DATA15, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 	OMAP3_MUX(DSS_DATA16, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 	OMAP3_MUX(DSS_DATA17, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA20, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
-	OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 
 	/* display controls */
 	OMAP3_MUX(MCBSP1_FSR, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
@@ -611,19 +599,53 @@ static struct omap_board_mux board_mux[] __initdata = {
 
 	{ .reg_offset = OMAP_MUX_TERMINATOR },
 };
+
+static void __init cm_t3x_common_dss_mux_init(int mux_mode)
+{
+	omap_mux_init_signal("dss_data18", mux_mode);
+	omap_mux_init_signal("dss_data19", mux_mode);
+	omap_mux_init_signal("dss_data20", mux_mode);
+	omap_mux_init_signal("dss_data21", mux_mode);
+	omap_mux_init_signal("dss_data22", mux_mode);
+	omap_mux_init_signal("dss_data23", mux_mode);
+}
+
+static void __init cm_t35_init_mux(void)
+{
+	omap_mux_init_signal("gpio_70", OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("gpio_71", OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("gpio_72", OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("gpio_73", OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("gpio_74", OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("gpio_75", OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT);
+	cm_t3x_common_dss_mux_init(OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT);
+}
+
+static void __init cm_t3730_init_mux(void)
+{
+	omap_mux_init_signal("sys_boot0", OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("sys_boot1", OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("sys_boot3", OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("sys_boot4", OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("sys_boot5", OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT);
+	omap_mux_init_signal("sys_boot6", OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT);
+	cm_t3x_common_dss_mux_init(OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT);
+}
+#else
+static inline void cm_t35_init_mux(void) {}
+static inline void cm_t3730_init_mux(void) {}
 #endif
 
 static struct omap_board_config_kernel cm_t35_config[] __initdata = {
 };
 
-static void __init cm_t35_init(void)
+static void __init cm_t3x_common_init(void)
 {
 	omap_board_config = cm_t35_config;
 	omap_board_config_size = ARRAY_SIZE(cm_t35_config);
 	omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 	omap_serial_init();
 	cm_t35_init_i2c();
-	cm_t35_init_nand();
 	omap_ads7846_init(1, CM_T35_GPIO_PENDOWN, 0, NULL);
 	cm_t35_init_ethernet();
 	cm_t35_init_led();
@@ -633,6 +655,19 @@ static void __init cm_t35_init(void)
 	usbhs_init(&usbhs_bdata);
 }
 
+static void __init cm_t35_init(void)
+{
+	cm_t3x_common_init();
+	cm_t35_init_mux();
+	cm_t35_init_nand();
+}
+
+static void __init cm_t3730_init(void)
+{
+	cm_t3x_common_init();
+	cm_t3730_init_mux();
+}
+
 MACHINE_START(CM_T35, "Compulab CM-T35")
 	.boot_params	= 0x80000100,
 	.reserve	= omap_reserve,
@@ -642,3 +677,13 @@ MACHINE_START(CM_T35, "Compulab CM-T35")
 	.init_machine	= cm_t35_init,
 	.timer		= &omap3_timer,
 MACHINE_END
+
+MACHINE_START(CM_T3730, "Compulab CM-T3730")
+	.boot_params    = 0x80000100,
+	.reserve        = omap_reserve,
+	.map_io         = omap3_map_io,
+	.init_early     = cm_t35_init_early,
+	.init_irq       = omap3_init_irq,
+	.init_machine   = cm_t3730_init,
+	.timer          = &omap3_timer,
+MACHINE_END

arch/arm/plat-omap/include/plat/uncompress.h

@@ -148,6 +148,7 @@ static inline void __arch_decomp_setup(unsigned long arch_id)
 		/* omap3 based boards using UART3 */
 		DEBUG_LL_OMAP3(3, cm_t35);
 		DEBUG_LL_OMAP3(3, cm_t3517);
+		DEBUG_LL_OMAP3(3, cm_t3730);
 		DEBUG_LL_OMAP3(3, craneboard);
 		DEBUG_LL_OMAP3(3, devkit8000);
 		DEBUG_LL_OMAP3(3, igep0020);