[PATCH v2] arm: omap3: cm-t35: add support for cm-t3730

Igor Grinberg grinberg at compulab.co.il
Sun May 8 03:20:31 EDT 2011


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

Signed-off-by: Igor Grinberg <grinberg at compulab.co.il>
Acked-by: Mike Rapoport <mike at compulab.co.il>
---
v2:	Add debug uart entry

 arch/arm/mach-omap2/Kconfig                  |    2 +-
 arch/arm/mach-omap2/board-cm-t35.c           |   62 +++++++++++++++++++------
 arch/arm/plat-omap/include/plat/uncompress.h |    1 +
 3 files changed, 49 insertions(+), 16 deletions(-)

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index b997a35..920b6bc 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -266,7 +266,7 @@ 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 OMAP_PACKAGE_CUS
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index 6063be8..c0f6ce0 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -524,7 +524,7 @@ static void __init cm_t35_init_early(void)
 }
 
 #ifdef CONFIG_OMAP_MUX
-static struct omap_board_mux board_mux[] __initdata = {
+static struct omap_board_mux cm_t35_common_board_mux[] __initdata = {
 	/* nCS and IRQ for CM-T35 ethernet */
 	OMAP3_MUX(GPMC_NCS5, OMAP_MUX_MODE0),
 	OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
@@ -580,17 +580,12 @@ 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),
@@ -603,12 +598,6 @@ 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),
@@ -621,6 +610,39 @@ static struct omap_board_mux board_mux[] __initdata = {
 
 	{ .reg_offset = OMAP_MUX_TERMINATOR },
 };
+
+static void cm_t35_mux_init(void)
+{
+	int mux_mode = OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT;
+
+	omap3_mux_init(cm_t35_common_board_mux, OMAP_PACKAGE_CUS);
+
+	if (cpu_is_omap34xx()) {
+		omap_mux_init_signal("gpio_70", mux_mode);
+		omap_mux_init_signal("gpio_71", mux_mode);
+		omap_mux_init_signal("gpio_72", mux_mode);
+		omap_mux_init_signal("gpio_73", mux_mode);
+		omap_mux_init_signal("gpio_74", mux_mode);
+		omap_mux_init_signal("gpio_75", mux_mode);
+	} else if (cpu_is_omap3630()) {
+		mux_mode = OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT;
+		omap_mux_init_signal("sys_boot0", mux_mode);
+		omap_mux_init_signal("sys_boot1", mux_mode);
+		omap_mux_init_signal("sys_boot3", mux_mode);
+		omap_mux_init_signal("sys_boot4", mux_mode);
+		omap_mux_init_signal("sys_boot5", mux_mode);
+		omap_mux_init_signal("sys_boot6", 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);
+}
+#else
+static inline void cm_t35_mux_init(void) {}
 #endif
 
 static struct omap_board_config_kernel cm_t35_config[] __initdata = {
@@ -630,7 +652,7 @@ static void __init cm_t35_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);
+	cm_t35_mux_init();
 	omap_serial_init();
 	cm_t35_init_i2c();
 	cm_t35_init_nand();
@@ -652,3 +674,13 @@ MACHINE_START(CM_T35, "Compulab CM-T35")
 	.init_machine	= cm_t35_init,
 	.timer		= &omap_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	= omap_init_irq,
+	.init_machine	= cm_t35_init,
+	.timer		= &omap_timer,
+MACHINE_END
diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h
index 30b891c..1fdabe0 100644
--- a/arch/arm/plat-omap/include/plat/uncompress.h
+++ b/arch/arm/plat-omap/include/plat/uncompress.h
@@ -149,6 +149,7 @@ 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);
-- 
1.7.3.4




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