am335x: add initial support for EVM-SK

This patch adds initial support new EVM-Starter Kit (EVM-SK).
Only board detection support is added.

Todo:
Currently RTC code is causing board to hang. In order to move forward
presently its been disabled. Need to debug and resolve this issue.

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>

3 files changed, 28 insertions, 2 deletions

diff --git a/board/ti/am335x/common_def.h b/board/ti/am335x/common_def.h
index 57f66a95d..807e4b54e 100644
--- a/board/ti/am335x/common_def.h
+++ b/board/ti/am335x/common_def.h
@@ -21,6 +21,7 @@
 #define IA_BOARD	2
 #define IPP_BOARD	3
 #define BASE_BOARD	4
+#define SK_BOARD	5
 
 /* Profiles */
 #define PROFILE_NONE	0x0
diff --git a/board/ti/am335x/evm.c b/board/ti/am335x/evm.c
index 8bb01b5e9..d19b5b78a 100644
--- a/board/ti/am335x/evm.c
+++ b/board/ti/am335x/evm.c
@@ -189,7 +189,7 @@ static struct am335x_baseboard_id __attribute__((section (".data"))) header;
 extern void cpsw_eth_set_mac_addr(const u_int8_t *addr);
 static
 unsigned char __attribute__((section (".data"))) daughter_board_connected = 1;
-static volatile int __attribute__((section (".data"))) board_id = BASE_BOARD;
+static volatile int __attribute__((section (".data"))) board_id = SK_BOARD;
 
 /*
  * dram_init:
@@ -843,6 +843,10 @@ int board_init(void)
 		board_id = BONE_BOARD;
 		profile = 1;	/* profile 0 is internally considered as 1 */
 		daughter_board_connected = 0;
+	} else if (!strncmp("A335X_SK", header.name, 8)) {
+		board_id = SK_BOARD;
+		profile = 1;	/* profile 0 is internally considered as 1 */
+		daughter_board_connected = 0;
 	} else {
 		printf("Did not find a recognized configuration, "
 			"assuming General purpose EVM in Profile 0 with "
diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c
index aaf0737e8..2466e7ee9 100644
--- a/board/ti/am335x/mux.c
+++ b/board/ti/am335x/mux.c
@@ -444,6 +444,17 @@ static struct module_pin_mux mmc0_pin_mux[] = {
 	{-1},
 };
 
+static struct module_pin_mux mmc0_sk_pin_mux[] = {
+	{OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT3 */
+	{OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT2 */
+	{OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT1 */
+	{OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT0 */
+	{OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CLK */
+	{OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CMD */
+	{OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)},	/* MMC0_CD */
+	{-1},
+};
+
 static struct module_pin_mux mmc1_pin_mux[] = {
 	{OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE)},	/* MMC1_DAT3 */
 	{OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE)},	/* MMC1_DAT2 */
@@ -566,6 +577,15 @@ static struct evm_pin_mux low_cost_evm_pin_mux[] = {
 	{0},
 };
 
+static struct evm_pin_mux sk_evm_pin_mux[] = {
+	{uart0_pin_mux, PROFILE_ALL, DEV_ON_BASEBOARD},
+#ifdef CONFIG_MMC
+	{mmc0_sk_pin_mux, PROFILE_ALL, DEV_ON_BASEBOARD},
+#endif
+
+	{0},
+};
+
 static struct evm_pin_mux beaglebone_pin_mux[] = {
 	{uart0_pin_mux, PROFILE_ALL, DEV_ON_BASEBOARD},
 	{i2c1_pin_mux, PROFILE_ALL & ~PROFILE_2 & ~PROFILE_4, DEV_ON_BASEBOARD},
@@ -610,6 +630,7 @@ static struct evm_pin_mux *am335x_evm_pin_mux[] = {
 	ia_motor_control_evm_pin_mux,
 	ip_phone_evm_pin_mux,
 	low_cost_evm_pin_mux,
+	sk_evm_pin_mux,
 };
 
 /*
@@ -666,7 +687,7 @@ static void set_evm_pin_mux(struct evm_pin_mux *pin_mux,
 void configure_evm_pin_mux(unsigned char dghtr_brd_id, char version[4], unsigned short
 		profile, unsigned int daughter_board_flag)
 {
-	if (dghtr_brd_id > BASE_BOARD)
+	if (dghtr_brd_id > SK_BOARD)
 		return;
 
 	/* Setup correct evm pinmux for older bone boards (Rev < A2) */