board: add GW102 board

arch/arm/cpu/armv7/mx6/Kconfig

@@ -200,6 +200,12 @@ config TARGET_I2SOM_IMX6UL_14X14
 	select DM
 	select DM_THERMAL
 
+config TARGET_I2SOM_GW102
+	bool "Support i2SOM GW102 gateway"
+	select MX6ULL
+	select DM
+	select DM_THERMAL
+
 config TARGET_SECOMX6
 	bool "secomx6 boards"
 

board/i2som/i2s_6ull_14x14/Kconfig

@@ -10,3 +10,16 @@ config SYS_CONFIG_NAME
 	default "i2som_6ull_14x14"
 
 endif
+
+if TARGET_I2SOM_GW102
+
+config SYS_BOARD
+	default "i2s_6ull_14x14"
+
+config SYS_VENDOR
+	default "i2som"
+
+config SYS_CONFIG_NAME
+	default "i2som_6ull_14x14"
+
+endif

board/i2som/i2s_6ull_14x14/i2s_6ull_14x14.c

@@ -829,11 +829,49 @@ struct display_info_t const displays[] = {{
 size_t display_count = ARRAY_SIZE(displays);
 #endif
 
+#ifdef CONFIG_TARGET_I2SOM_IMX6ULL_14X14
+
 static iomux_v3_cfg_t const wifi_pads[] = {
 	MX6_PAD_CSI_DATA01__GPIO4_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
 	MX6_PAD_CSI_DATA03__GPIO4_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL),
 };
 
+#endif
+
+#ifdef CONFIG_TARGET_I2SOM_GW102
+
+static iomux_v3_cfg_t const gw102_wifi_pads[] = {
+	MX6_PAD_SNVS_TAMPER7__GPIO5_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const wdt_pads[] = {
+	// WDI
+	MX6_PAD_SNVS_TAMPER1__GPIO5_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL),
+	// WD_EN
+	MX6_PAD_CSI_DATA03__GPIO4_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+void hw_watchdog_reset(void)
+{
+	//gpio_direction_output(IMX_GPIO_NR(5,1), 1);
+
+	gpio_direction_output(IMX_GPIO_NR(4,24), 0);
+
+	gpio_direction_output(IMX_GPIO_NR(4,24), 1);
+}
+
+void board_gw102(void)
+{
+	/* WiFi WIFI_PWR_EN, active High */
+	imx_iomux_v3_setup_multiple_pads(gw102_wifi_pads, ARRAY_SIZE(gw102_wifi_pads));
+	gpio_direction_output(IMX_GPIO_NR(5, 7) , 1);
+
+	// init watchdog pins
+	imx_iomux_v3_setup_multiple_pads(wdt_pads, ARRAY_SIZE(wdt_pads));
+	gpio_direction_output(IMX_GPIO_NR(5,1), 0);
+}
+#endif
+
 int board_early_init_f(void)
 {
 	setup_iomux_uart();
@@ -845,13 +883,18 @@ int board_init(void)
 {
 	/* Address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
-
+#ifdef CONFIG_TARGET_I2SOM_IMX6ULL_14X14
 	/* WiFi WL_EN, active High */
 	imx_iomux_v3_setup_multiple_pads(wifi_pads, ARRAY_SIZE(wifi_pads));
 	gpio_direction_output(IMX_GPIO_NR(4, 22) , 1);
 
 	/* WiFi PWR_EN, active Low */
 	gpio_direction_output(IMX_GPIO_NR(4, 24) , 0);
+#endif
+
+#ifdef CONFIG_TARGET_I2SOM_GW102
+	board_gw102();
+#endif
 
 #ifdef CONFIG_SYS_I2C_MXC
 	setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);

configs/i2som_gw102_emmc_defconfig

@@ -0,0 +1,8 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MX6=y
+CONFIG_TARGET_I2SOM_GW102=y
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/i2som/i2s_6ull_14x14/imximage.cfg,SYS_BOOT_EMMC,DDR_SIZE=512"
+CONFIG_AUTOBOOT_KEYED=y
+CONFIG_AUTOBOOT_PROMPT=""
+CONFIG_AUTOBOOT_DELAY_STR="db"
+CONFIG_CMD_GPIO=y

include/configs/i2som_6ull_14x14.h

@@ -11,6 +11,8 @@
 
 #include "i2s6ull_common.h"
 
+#define CONFIG_HW_WATCHDOG
+
 /* uncomment for PLUGIN mode support */
 /* #define CONFIG_USE_PLUGIN */