From ea5940e9d2cae3df8cdf26e7dc20537c0f1c7d59 Mon Sep 17 00:00:00 2001
From: Ash Charles <ashcharles@gmail.com>
Date: Wed, 21 May 2014 14:04:53 -0700
Subject: [PATCH] OMAP3: overo: add some Gumstix expansion boards

Add EEPROM ID switches for Alto35, Arbor43C, Stagecoach, Thumbo, and
Turtlecore Gumstix Overo expansion boards.

Signed-off-by: Ash Charles <ash@gumstix.com>
---
 board/overo/overo.c | 42 ++++++++++++++++++++++++++++++++++++++++--
 board/overo/overo.h | 16 ++++++++++++++++
 2 files changed, 56 insertions(+), 2 deletions(-)

diff --git a/board/overo/overo.c b/board/overo/overo.c
index 9a5f4c4574..62b50a8a0b 100644
--- a/board/overo/overo.c
+++ b/board/overo/overo.c
@@ -39,6 +39,11 @@ DECLARE_GLOBAL_DATA_PTR;
 #define GUMSTIX_CHESTNUT43		0x06000200
 #define GUMSTIX_PINTO			0x07000200
 #define GUMSTIX_GALLOP43		0x08000200
+#define GUMSTIX_ALTO35			0x09000200
+#define GUMSTIX_STAGECOACH		0x0A000200
+#define GUMSTIX_THUMBO			0x0B000200
+#define GUMSTIX_TURTLECORE		0x0C000200
+#define GUMSTIX_ARBOR43C		0x0D000200
 
 #define ETTUS_USRP_E			0x01000300
 
@@ -231,6 +236,8 @@ unsigned int get_expansion_id(void)
  */
 int misc_init_r(void)
 {
+	unsigned int expansion_id;
+
 	twl4030_power_init();
 	twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
 
@@ -253,7 +260,8 @@ int misc_init_r(void)
 		puts("Unable to detect mmc2 connection type\n");
 	}
 
-	switch (get_expansion_id()) {
+	expansion_id = get_expansion_id();
+	switch (expansion_id) {
 	case GUMSTIX_SUMMIT:
 		printf("Recognized Summit expansion board (rev %d %s)\n",
 			expansion_config.revision,
@@ -303,6 +311,35 @@ int misc_init_r(void)
 			expansion_config.fab_revision);
 		setenv("defaultdisplay", "lcd43");
 		break;
+	case GUMSTIX_ALTO35:
+		printf("Recognized Alto35 expansion board (rev %d %s)\n",
+			expansion_config.revision,
+			expansion_config.fab_revision);
+		MUX_ALTO35();
+		setenv("defaultdisplay", "lcd35");
+		break;
+	case GUMSTIX_STAGECOACH:
+		printf("Recognized Stagecoach expansion board (rev %d %s)\n",
+			expansion_config.revision,
+			expansion_config.fab_revision);
+		break;
+	case GUMSTIX_THUMBO:
+		printf("Recognized Thumbo expansion board (rev %d %s)\n",
+			expansion_config.revision,
+			expansion_config.fab_revision);
+		break;
+	case GUMSTIX_TURTLECORE:
+		printf("Recognized Turtlecore expansion board (rev %d %s)\n",
+			expansion_config.revision,
+			expansion_config.fab_revision);
+		break;
+	case GUMSTIX_ARBOR43C:
+		printf("Recognized Arbor43C expansion board (rev %d %s)\n",
+			expansion_config.revision,
+			expansion_config.fab_revision);
+		MUX_ARBOR43C();
+		setenv("defaultdisplay", "lcd43");
+		break;
 	case ETTUS_USRP_E:
 		printf("Recognized Ettus Research USRP-E (rev %d %s)\n",
 			expansion_config.revision,
@@ -314,7 +351,8 @@ int misc_init_r(void)
 		puts("No EEPROM on expansion board\n");
 		break;
 	default:
-		puts("Unrecognized expansion board\n");
+		printf("Unrecognized expansion board 0x%08x\n", expansion_id);
+		break;
 	}
 
 	if (expansion_config.content == 1)
diff --git a/board/overo/overo.h b/board/overo/overo.h
index 25c9f16f79..57725d867f 100644
--- a/board/overo/overo.h
+++ b/board/overo/overo.h
@@ -405,4 +405,20 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(MCSPI1_SOMI),	(IEN  | PTD | DIS | M4)) /*GPIO_173 */\
 	MUX_VAL(CP(MCSPI1_CS1),		(IDIS | PTD | EN  | M4)) /*GPIO_175 */\
 
+#define MUX_ALTO35() \
+	MUX_VAL(CP(SYS_CLKOUT1),	(IEN  | PTU | EN  | M4)) /*GPIO_10-BTN*/\
+	MUX_VAL(CP(UART1_TX),		(IDIS | PTD | DIS | M4)) /*GPIO_148-RED LED*/\
+	MUX_VAL(CP(UART1_CTS),		(IDIS | PTD | DIS | M4)) /*GPIO_150-YELLOW LED*/\
+	MUX_VAL(CP(UART1_RX),		(IDIS | PTD | DIS | M4)) /*GPIO_151-BLUE LED*/\
+	MUX_VAL(CP(HDQ_SIO),		(IDIS | PTD | DIS | M4)) /*GPIO_170-GREEN LED*/\
+	MUX_VAL(CP(MCSPI1_CS1),		(IDIS | PTD | EN  | M4)) /*GPIO_175*/\
+
+#define MUX_ARBOR43C() \
+	MUX_VAL(CP(CSI2_DX1),		(IDIS | PTD | DIS | M4)) /*GPIO_114-RED LED*/\
+	MUX_VAL(CP(UART1_CTS),		(IDIS | PTD | DIS | M4)) /*GPIO_150-YELLOW LED*/\
+	MUX_VAL(CP(HDQ_SIO),		(IEN  | PTU | EN  | M4)) /*GPIO_170-BUTTON */\
+	MUX_VAL(CP(SYS_CLKOUT2),	(IDIS | PTD | DIS | M4)) /*GPIO_186-BLUE LED*/\
+	MUX_VAL(CP(JTAG_EMU1),		(IDIS | PTD | DIS | M4)) /*GPIO_31-CAP WAKE*/\
+	MUX_VAL(CP(SYS_CLKOUT1),	(IEN  | PTU | EN  | M4)) /*GPIO_10-CAP IRQ*/\
+
 #endif
-- 
2.25.1