Merge branch 'master' of git://www.denx.de/git/u-boot-imx

12 files changed, 277 insertions, 113 deletions

diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
index c2e9c57..d63a979 100644
--- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c
+++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
@@ -321,39 +321,6 @@ static void setup_gpmi_nand(void)
 }
 #endif
 
-int mx6_rgmii_rework(struct phy_device *phydev)
-{
-	unsigned short val;
-
-	/* To enable AR8031 ouput a 125MHz clk from CLK_25M */
-	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
-	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
-	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
-
-	val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
-	val &= 0xffe3;
-	val |= 0x18;
-	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
-
-	/* introduce tx clock delay */
-	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
-	val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
-	val |= 0x0100;
-	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
-
-	return 0;
-}
-
-int board_phy_config(struct phy_device *phydev)
-{
-	mx6_rgmii_rework(phydev);
-
-	if (phydev->drv->config)
-		phydev->drv->config(phydev);
-
-	return 0;
-}
-
 static void setup_fec(void)
 {
 	if (is_mx6dqp()) {
@@ -625,9 +592,9 @@ int board_late_init(void)
 
 	if (is_mx6dqp())
 		setenv("board_rev", "MX6QP");
-	else if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
+	else if (is_mx6dq())
 		setenv("board_rev", "MX6Q");
-	else if (is_cpu_type(MXC_CPU_MX6DL) || is_cpu_type(MXC_CPU_MX6SOLO))
+	else if (is_mx6sdl())
 		setenv("board_rev", "MX6DL");
 #endif
 
diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c
index 2319354..54ba36b 100644
--- a/board/freescale/mx6sabresd/mx6sabresd.c
+++ b/board/freescale/mx6sabresd/mx6sabresd.c
@@ -649,9 +649,9 @@ int board_late_init(void)
 
 	if (is_mx6dqp())
 		setenv("board_rev", "MX6QP");
-	else if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D))
+	else if (is_mx6dq())
 		setenv("board_rev", "MX6Q");
-	else if (is_cpu_type(MXC_CPU_MX6DL) || is_cpu_type(MXC_CPU_MX6SOLO))
+	else if (is_mx6sdl())
 		setenv("board_rev", "MX6DL");
 #endif
 
diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c
index f1915a8..256d602 100644
--- a/board/freescale/mx6slevk/mx6slevk.c
+++ b/board/freescale/mx6slevk/mx6slevk.c
@@ -230,14 +230,14 @@ int board_mmc_init(bd_t *bis)
 			printf("Warning: you configured more USDHC controllers"
 				"(%d) than supported by the board\n", i + 1);
 			return -EINVAL;
-			}
-
-			ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
-			if (ret) {
-				printf("Warning: failed to initialize "
-					"mmc dev %d\n", i);
-				return ret;
-			}
+		}
+
+		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+		if (ret) {
+			printf("Warning: failed to initialize "
+				"mmc dev %d\n", i);
+			return ret;
+		}
 	}
 
 	return 0;
diff --git a/board/gateworks/gw_ventana/README b/board/gateworks/gw_ventana/README
index 9418907..f3f8998 100644
--- a/board/gateworks/gw_ventana/README
+++ b/board/gateworks/gw_ventana/README
@@ -173,13 +173,8 @@ OS load time which defeats the purpose of Falcon mode in the first place.
 The SPL decides to boot either U-Boot (u-boot.img) or the OS (args + kernel)
 based on the return value of the spl_start_uboot() function. While often
 this can simply be the state of a GPIO based pushbutton or DIP switch, for
-Gateworks Ventana, we use the U-Boot environment 'boot_os' variable which if
-set to '1' will choose to boot the OS rather than U-Boot. While the choice
-of adding env support to the SPL adds a little bit of time to the boot
-process as well as (significant really) SPL code space this was deemed most
-flexible as within the large variety of Gateworks Ventana boards not all of
-them have a user pushbutton and that pushbutton may be configured as a hard
-reset per user configuration.
+Gateworks Ventana, we use an EEPROM register on i2c-0 at 0x50:0x00:
+set to '0' will choose to boot to U-Boot and otherwise it will boot to OS.
 
 To use Falcon mode it is required that you first 'prepare' the 'args' data
 that is stored on your boot medium along with the kernel (which can be any
@@ -235,8 +230,8 @@ using rootfs (ubi), kernel (uImage), and dtb from the network:
  # flash args (at 17MB)
  Ventana > nand erase.part args && nand write 18000000 args 100000
 
- # set boot_os env var to enable booting to Linux
- Ventana > setenv boot_os 1 && saveenv
+ # set i2c register 0x50:0x00=0 to boot to Linux
+ Ventana > i2c dev 0 && i2c mw 0x50 0x00.0 0 1
 
 Be sure to adjust 'bootargs' above to your OS needs (this will be different
 for various distros such as OpenWrt, Yocto, Android, etc). You can use the
@@ -309,8 +304,8 @@ out in U-Boot and use the following to enable Falcon mode:
  # write args 1MB data (0x800 sectors) to 1MB offset (0x800 sectors)
  Ventana > mmc write 18000000 0x800 0x800
 
- # set boot_os to enable falcon mode
- Ventana > setenv boot_os 1 && saveenv
+ # set i2c register 0x50:0x00=0 to boot to Linux
+ Ventana > i2c dev 0 && i2c mw 0x50 0x00.0 0 1
 
 Be sure to adjust 'bootargs' above to your OS needs (this will be different
 for various distros such as OpenWrt, Yocto, Android, etc). You can use the
diff --git a/board/gateworks/gw_ventana/common.c b/board/gateworks/gw_ventana/common.c
index a20190e..929dde9 100644
--- a/board/gateworks/gw_ventana/common.c
+++ b/board/gateworks/gw_ventana/common.c
@@ -132,10 +132,10 @@ void setup_ventana_i2c(void)
 
 /* common to add baseboards */
 static iomux_v3_cfg_t const gw_gpio_pads[] = {
-	/* MSATA_EN */
-	IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | DIO_PAD_CFG),
 	/* RS232_EN# */
 	IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | DIO_PAD_CFG),
+	/* SD3_VSELECT */
+	IOMUX_PADS(PAD_NANDF_CS1__GPIO6_IO14 | DIO_PAD_CFG),
 };
 
 /* prototype */
@@ -183,6 +183,8 @@ static iomux_v3_cfg_t const gw51xx_gpio_pads[] = {
 };
 
 static iomux_v3_cfg_t const gw52xx_gpio_pads[] = {
+	/* MSATA_EN */
+	IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | DIO_PAD_CFG),
 	/* PANLEDG# */
 	IOMUX_PADS(PAD_KEY_COL0__GPIO4_IO06 | DIO_PAD_CFG),
 	/* PANLEDR# */
@@ -212,6 +214,8 @@ static iomux_v3_cfg_t const gw52xx_gpio_pads[] = {
 };
 
 static iomux_v3_cfg_t const gw53xx_gpio_pads[] = {
+	/* MSATA_EN */
+	IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | DIO_PAD_CFG),
 	/* CAN_STBY */
 	IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | DIO_PAD_CFG),
 	/* USB_HUBRST# */
@@ -241,6 +245,8 @@ static iomux_v3_cfg_t const gw53xx_gpio_pads[] = {
 };
 
 static iomux_v3_cfg_t const gw54xx_gpio_pads[] = {
+	/* MSATA_EN */
+	IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | DIO_PAD_CFG),
 	/* CAN_STBY */
 	IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | DIO_PAD_CFG),
 	/* PANLEDG# */
@@ -283,6 +289,8 @@ static iomux_v3_cfg_t const gw551x_gpio_pads[] = {
 };
 
 static iomux_v3_cfg_t const gw552x_gpio_pads[] = {
+	/* MSATA_EN */
+	IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | DIO_PAD_CFG),
 	/* USBOTG_SEL */
 	IOMUX_PADS(PAD_GPIO_7__GPIO1_IO07 | DIO_PAD_CFG),
 	/* USB_HUBRST# */
@@ -310,6 +318,20 @@ static iomux_v3_cfg_t const gw552x_gpio_pads[] = {
 	IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG),
 };
 
+static iomux_v3_cfg_t const gw553x_gpio_pads[] = {
+	/* PANLEDG# */
+	IOMUX_PADS(PAD_KEY_COL2__GPIO4_IO10 | DIO_PAD_CFG),
+	/* PANLEDR# */
+	IOMUX_PADS(PAD_KEY_ROW2__GPIO4_IO11 | DIO_PAD_CFG),
+
+	/* VID_PWR */
+	IOMUX_PADS(PAD_CSI0_DATA_EN__GPIO5_IO20 | DIO_PAD_CFG),
+	/* PCI_RST# */
+	IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00 | DIO_PAD_CFG),
+	/* PCIESKT_WDIS# */
+	IOMUX_PADS(PAD_GPIO_17__GPIO7_IO12 | DIO_PAD_CFG),
+};
+
 
 /*
  * Board Specific GPIO
@@ -445,6 +467,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.vidin_en = IMX_GPIO_NR(3, 31),
 		.usb_sel = IMX_GPIO_NR(1, 2),
 		.wdis = IMX_GPIO_NR(7, 12),
+		.msata_en = GP_MSATA_SEL,
 	},
 
 	/* GW53xx */
@@ -489,6 +512,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.gps_shdn = IMX_GPIO_NR(1, 27),
 		.vidin_en = IMX_GPIO_NR(3, 31),
 		.wdis = IMX_GPIO_NR(7, 12),
+		.msata_en = GP_MSATA_SEL,
 	},
 
 	/* GW54xx */
@@ -535,6 +559,7 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.dioi2c_en = IMX_GPIO_NR(4,  5),
 		.pcie_sson = IMX_GPIO_NR(1, 20),
 		.wdis = IMX_GPIO_NR(5, 17),
+		.msata_en = GP_MSATA_SEL,
 	},
 
 	/* GW551x */
@@ -602,6 +627,47 @@ struct ventana gpio_cfg[GW_UNKNOWN] = {
 		.pcie_rst = IMX_GPIO_NR(1, 29),
 		.usb_sel = IMX_GPIO_NR(1, 7),
 		.wdis = IMX_GPIO_NR(7, 12),
+		.msata_en = GP_MSATA_SEL,
+	},
+
+	/* GW553x */
+	{
+		.gpio_pads = gw553x_gpio_pads,
+		.num_pads = ARRAY_SIZE(gw553x_gpio_pads)/2,
+		.dio_cfg = {
+			{
+				{ IOMUX_PADS(PAD_SD1_DAT0__GPIO1_IO16) },
+				IMX_GPIO_NR(1, 16),
+				{ 0, 0 },
+				0
+			},
+			{
+				{ IOMUX_PADS(PAD_SD1_DAT2__GPIO1_IO19) },
+				IMX_GPIO_NR(1, 19),
+				{ IOMUX_PADS(PAD_SD1_DAT2__PWM2_OUT) },
+				2
+			},
+			{
+				{ IOMUX_PADS(PAD_SD1_DAT1__GPIO1_IO17) },
+				IMX_GPIO_NR(1, 17),
+				{ IOMUX_PADS(PAD_SD1_DAT1__PWM3_OUT) },
+				3
+			},
+			{
+				{ IOMUX_PADS(PAD_SD1_CMD__GPIO1_IO18) },
+				IMX_GPIO_NR(1, 18),
+				{ IOMUX_PADS(PAD_SD1_CMD__PWM4_OUT) },
+				4
+			},
+		},
+		.num_gpios = 4,
+		.leds = {
+			IMX_GPIO_NR(4, 10),
+			IMX_GPIO_NR(4, 11),
+		},
+		.pcie_rst = IMX_GPIO_NR(1, 0),
+		.vidin_en = IMX_GPIO_NR(5, 20),
+		.wdis = IMX_GPIO_NR(7, 12),
 	},
 };
 
@@ -616,10 +682,6 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info)
 	gpio_request(GP_USB_OTG_PWR, "usbotg_pwr");
 	gpio_direction_output(GP_USB_OTG_PWR, 0);
 
-	/* MSATA Enable - default to PCI */
-	gpio_request(GP_MSATA_SEL, "msata_en");
-	gpio_direction_output(GP_MSATA_SEL, 0);
-
 	/* RS232_EN# */
 	gpio_request(GP_RS232_EN, "rs232_en");
 	gpio_direction_output(GP_RS232_EN, 0);
@@ -649,6 +711,12 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info)
 		}
 	}
 
+	/* MSATA Enable - default to PCI */
+	if (gpio_cfg[board].msata_en) {
+		gpio_request(gpio_cfg[board].msata_en, "msata_en");
+		gpio_direction_output(gpio_cfg[board].msata_en, 0);
+	}
+
 	/* Expansion Mezzanine IO */
 	if (gpio_cfg[board].mezz_pwren) {
 		gpio_request(gpio_cfg[board].mezz_pwren, "mezz_pwr");
@@ -700,6 +768,11 @@ void setup_iomux_gpio(int board, struct ventana_board_info *info)
 		gpio_request(gpio_cfg[board].wdis, "wlan_dis");
 		gpio_direction_output(gpio_cfg[board].wdis, 1);
 	}
+
+	/* sense vselect pin to see if we support uhs-i */
+	gpio_request(GP_SD3_VSELECT, "sd3_vselect");
+	gpio_direction_input(GP_SD3_VSELECT);
+	gpio_cfg[board].usd_vsel = !gpio_get_value(GP_SD3_VSELECT);
 }
 
 /* setup GPIO pinmux and default configuration per baseboard and env */
@@ -718,10 +791,9 @@ void setup_board_gpio(int board, struct ventana_board_info *info)
 	gpio_direction_output(GP_RS232_EN, (hwconfig("rs232")) ? 0 : 1);
 
 	/* MSATA Enable */
-	if (is_cpu_type(MXC_CPU_MX6Q) &&
-	    test_bit(EECONFIG_SATA, info->config)) {
+	if (gpio_cfg[board].msata_en && is_cpu_type(MXC_CPU_MX6Q)) {
 		gpio_direction_output(GP_MSATA_SEL,
-				      (hwconfig("msata")) ?  1 : 0);
+				      (hwconfig("msata")) ? 1 : 0);
 	}
 
 	/* USBOTG Select (PCISKT or FrontPanel) */
@@ -760,8 +832,13 @@ void setup_board_gpio(int board, struct ventana_board_info *info)
 					       ctrl);
 			gpio_requestf(cfg->gpio_param, "dio%d", i);
 			gpio_direction_input(cfg->gpio_param);
-		} else if (hwconfig_subarg_cmp("dio2", "mode", "pwm") &&
+		} else if (hwconfig_subarg_cmp(arg, "mode", "pwm") &&
 			   cfg->pwm_padmux) {
+			if (!cfg->pwm_param) {
+				printf("DIO%d:  Error: pwm config invalid\n",
+					i);
+				continue;
+			}
 			if (!quiet)
 				printf("DIO%d:  pwm%d\n", i, cfg->pwm_param);
 			imx_iomux_v3_setup_pad(cfg->pwm_padmux[cputype] |
@@ -770,8 +847,7 @@ void setup_board_gpio(int board, struct ventana_board_info *info)
 	}
 
 	if (!quiet) {
-		if (is_cpu_type(MXC_CPU_MX6Q) &&
-		    (test_bit(EECONFIG_SATA, info->config))) {
+		if (gpio_cfg[board].msata_en && is_cpu_type(MXC_CPU_MX6Q)) {
 			printf("MSATA: %s\n", (hwconfig("msata") ?
 			       "enabled" : "disabled"));
 		}
diff --git a/board/gateworks/gw_ventana/common.h b/board/gateworks/gw_ventana/common.h
index 28f5816..d037767 100644
--- a/board/gateworks/gw_ventana/common.h
+++ b/board/gateworks/gw_ventana/common.h
@@ -17,6 +17,7 @@
 #define GP_SD3_CD	IMX_GPIO_NR(7, 0)
 #define GP_RS232_EN	IMX_GPIO_NR(2, 11)
 #define GP_MSATA_SEL	IMX_GPIO_NR(2, 8)
+#define GP_SD3_VSELECT	IMX_GPIO_NR(6, 14)
 
 #define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
 	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
@@ -76,6 +77,8 @@ struct ventana {
 	int pcie_sson;
 	int usb_sel;
 	int wdis;
+	int msata_en;
+	bool usd_vsel;
 };
 
 extern struct ventana gpio_cfg[GW_UNKNOWN];
diff --git a/board/gateworks/gw_ventana/eeprom.c b/board/gateworks/gw_ventana/eeprom.c
index ba15969..1382e5d 100644
--- a/board/gateworks/gw_ventana/eeprom.c
+++ b/board/gateworks/gw_ventana/eeprom.c
@@ -87,6 +87,9 @@ read_eeprom(int bus, struct ventana_board_info *info)
 		} else if (info->model[4] == '2') {
 			type = GW552x;
 			break;
+		} else if (info->model[4] == '3') {
+			type = GW553x;
+			break;
 		}
 		/* fall through */
 	default:
@@ -100,43 +103,12 @@ read_eeprom(int bus, struct ventana_board_info *info)
 /* list of config bits that the bootloader will remove from dtb if not set */
 struct ventana_eeprom_config econfig[] = {
 	{ "eth0", "ethernet0", EECONFIG_ETH0 },
-	{ "eth1", "ethernet1", EECONFIG_ETH1 },
-	{ "sata", "ahci0", EECONFIG_SATA },
-	{ "pcie", NULL, EECONFIG_PCIE},
-	{ "lvds0", NULL, EECONFIG_LVDS0 },
-	{ "lvds1", NULL, EECONFIG_LVDS1 },
 	{ "usb0", NULL, EECONFIG_USB0 },
 	{ "usb1", NULL, EECONFIG_USB1 },
 	{ "mmc0", NULL, EECONFIG_SD0 },
 	{ "mmc1", NULL, EECONFIG_SD1 },
 	{ "mmc2", NULL, EECONFIG_SD2 },
 	{ "mmc3", NULL, EECONFIG_SD3 },
-	{ "uart0", NULL, EECONFIG_UART0 },
-	{ "uart1", NULL, EECONFIG_UART1 },
-	{ "uart2", NULL, EECONFIG_UART2 },
-	{ "uart3", NULL, EECONFIG_UART3 },
-	{ "uart4", NULL, EECONFIG_UART4 },
-	{ "ipu0", NULL, EECONFIG_IPU0 },
-	{ "ipu1", NULL, EECONFIG_IPU1 },
-	{ "can0", NULL, EECONFIG_FLEXCAN },
-	{ "i2c0", NULL, EECONFIG_I2C0 },
-	{ "i2c1", NULL, EECONFIG_I2C1 },
-	{ "i2c2", NULL, EECONFIG_I2C2 },
-	{ "vpu", NULL, EECONFIG_VPU },
-	{ "csi0", NULL, EECONFIG_CSI0 },
-	{ "csi1", NULL, EECONFIG_CSI1 },
-	{ "spi0", NULL, EECONFIG_ESPCI0 },
-	{ "spi1", NULL, EECONFIG_ESPCI1 },
-	{ "spi2", NULL, EECONFIG_ESPCI2 },
-	{ "spi3", NULL, EECONFIG_ESPCI3 },
-	{ "spi4", NULL, EECONFIG_ESPCI4 },
-	{ "spi5", NULL, EECONFIG_ESPCI5 },
-	{ "gps", "pps", EECONFIG_GPS },
-	{ "hdmi_in", NULL, EECONFIG_HDMI_IN },
-	{ "hdmi_out", NULL, EECONFIG_HDMI_OUT },
-	{ "cvbs_in", NULL, EECONFIG_VID_IN },
-	{ "cvbs_out", NULL, EECONFIG_VID_OUT },
-	{ "nand", NULL, EECONFIG_NAND },
 	{ /* Sentinel */ }
 };
 
diff --git a/board/gateworks/gw_ventana/gsc.c b/board/gateworks/gw_ventana/gsc.c
index 3febd12..2ca6d5c 100644
--- a/board/gateworks/gw_ventana/gsc.c
+++ b/board/gateworks/gw_ventana/gsc.c
@@ -11,6 +11,7 @@
 #include <i2c.h>
 #include <linux/ctype.h>
 
+#include "ventana_eeprom.h"
 #include "gsc.h"
 
 /*
@@ -70,6 +71,8 @@ static void read_hwmon(const char *name, uint reg, uint size)
 		puts("fRD\n");
 	} else {
 		ui = buf[0] | (buf[1]<<8) | (buf[2]<<16);
+		if (reg == GSC_HWMON_TEMP && ui > 0x8000)
+			ui -= 0xffff;
 		if (ui == 0xffffff)
 			puts("invalid\n");
 		else
@@ -79,7 +82,6 @@ static void read_hwmon(const char *name, uint reg, uint size)
 
 int gsc_info(int verbose)
 {
-	const char *model = getenv("model");
 	unsigned char buf[16];
 
 	i2c_set_bus_num(0);
@@ -96,6 +98,12 @@ int gsc_info(int verbose)
 		gsc_i2c_write(GSC_SC_ADDR, GSC_SC_STATUS, 1,
 			      &buf[GSC_SC_STATUS], 1);
 	}
+	if (!gsc_i2c_read(GSC_HWMON_ADDR, GSC_HWMON_TEMP, 1, buf, 2)) {
+		int ui = buf[0] | buf[1]<<8;
+		if (ui > 0x8000)
+			ui -= 0xffff;
+		printf(" board temp at %dC", ui / 10);
+	}
 	puts("\n");
 	if (!verbose)
 		return CMD_RET_SUCCESS;
@@ -109,10 +117,11 @@ int gsc_info(int verbose)
 	read_hwmon("VDD_HIGH", GSC_HWMON_VDD_HIGH, 3);
 	read_hwmon("VDD_DDR",  GSC_HWMON_VDD_DDR, 3);
 	read_hwmon("VDD_5P0",  GSC_HWMON_VDD_5P0, 3);
-	read_hwmon("VDD_2P5",  GSC_HWMON_VDD_2P5, 3);
+	if (strncasecmp((const char*) ventana_info.model, "GW553", 5))
+		read_hwmon("VDD_2P5",  GSC_HWMON_VDD_2P5, 3);
 	read_hwmon("VDD_1P8",  GSC_HWMON_VDD_1P8, 3);
 	read_hwmon("VDD_IO2",  GSC_HWMON_VDD_IO2, 3);
-	switch (model[3]) {
+	switch (ventana_info.model[3]) {
 	case '1': /* GW51xx */
 		read_hwmon("VDD_IO3",  GSC_HWMON_VDD_IO4, 3); /* -C rev */
 		break;
@@ -160,6 +169,48 @@ int gsc_boot_wd_disable(void)
 }
 
 #ifdef CONFIG_CMD_GSC
+static int do_gsc_sleep(cmd_tbl_t *cmdtp, int flag, int argc,
+			char * const argv[])
+{
+	unsigned char reg;
+	unsigned long secs = 0;
+
+	if (argc < 2)
+		return CMD_RET_USAGE;
+
+	secs = simple_strtoul(argv[1], NULL, 10);
+	printf("GSC Sleeping for %ld seconds\n", secs);
+
+	i2c_set_bus_num(0);
+	reg = (secs >> 24) & 0xff;
+	if (gsc_i2c_write(GSC_SC_ADDR, 9, 1, &reg, 1))
+		goto error;
+	reg = (secs >> 16) & 0xff;
+	if (gsc_i2c_write(GSC_SC_ADDR, 8, 1, &reg, 1))
+		goto error;
+	reg = (secs >> 8) & 0xff;
+	if (gsc_i2c_write(GSC_SC_ADDR, 7, 1, &reg, 1))
+		goto error;
+	reg = secs & 0xff;
+	if (gsc_i2c_write(GSC_SC_ADDR, 6, 1, &reg, 1))
+		goto error;
+	if (gsc_i2c_read(GSC_SC_ADDR, GSC_SC_CTRL1, 1, &reg, 1))
+		goto error;
+	reg |= (1 << 2);
+	if (gsc_i2c_write(GSC_SC_ADDR, GSC_SC_CTRL1, 1, &reg, 1))
+		goto error;
+	reg &= ~(1 << 2);
+	reg |= 0x3;
+	if (gsc_i2c_write(GSC_SC_ADDR, GSC_SC_CTRL1, 1, &reg, 1))
+		goto error;
+
+	return CMD_RET_SUCCESS;
+
+error:
+	printf("i2c error\n");
+	return CMD_RET_FAILURE;
+}
+
 static int do_gsc_wd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	unsigned char reg;
@@ -206,13 +257,15 @@ static int do_gsc(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 	if (strcasecmp(argv[1], "wd") == 0)
 		return do_gsc_wd(cmdtp, flag, --argc, ++argv);
+	else if (strcasecmp(argv[1], "sleep") == 0)
+		return do_gsc_sleep(cmdtp, flag, --argc, ++argv);
 
 	return CMD_RET_USAGE;
 }
 
 U_BOOT_CMD(
 	gsc, 4, 1, do_gsc, "GSC configuration",
-	"[wd enable [30|60]]|[wd disable]\n"
+	"[wd enable [30|60]]|[wd disable]|[sleep <secs>]\n"
 	);
 
 #endif /* CONFIG_CMD_GSC */
diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index e2eeef3..70395ac 100644
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -21,6 +21,7 @@
 #include <asm/io.h>
 #include <dm.h>
 #include <dm/platform_data/serial_mxc.h>
+#include <hwconfig.h>
 #include <i2c.h>
 #include <fdt_support.h>
 #include <fsl_esdhc.h>
@@ -59,8 +60,7 @@ static iomux_v3_cfg_t const usdhc3_pads[] = {
 	IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
 	IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
 	IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	/* CD */
-	IOMUX_PADS(PAD_SD3_DAT5__GPIO7_IO00  | MUX_PAD_CTRL(IRQ_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT5__GPIO7_IO00  | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
 };
 
 /* ENET */
@@ -266,7 +266,9 @@ int board_phy_config(struct phy_device *phydev)
 int board_eth_init(bd_t *bis)
 {
 #ifdef CONFIG_FEC_MXC
-	if (board_type != GW551x && board_type != GW552x) {
+	struct ventana_board_info *info = &ventana_info;
+
+	if (test_bit(EECONFIG_ETH0, info->config)) {
 		setup_iomux_enet(GP_PHY_RST);
 		cpu_eth_init(bis);
 	}
@@ -317,6 +319,8 @@ static void enable_lvds(struct display_info_t const *dev)
 	writel(reg, &iomux->gpr[2]);
 
 	/* Enable Backlight */
+	gpio_request(IMX_GPIO_NR(1, 10), "bklt_gpio");
+	gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
 	gpio_request(IMX_GPIO_NR(1, 18), "bklt_en");
 	SETUP_IOMUX_PAD(PAD_SD1_CMD__GPIO1_IO18 | DIO_PAD_CFG);
 	gpio_direction_output(IMX_GPIO_NR(1, 18), 1);
@@ -456,8 +460,7 @@ static void setup_display(void)
 	       <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
 	writel(reg, &iomux->gpr[3]);
 
-	/* Backlight CABEN on LVDS connector */
-	gpio_request(IMX_GPIO_NR(1, 10), "bklt_gpio");
+	/* LVDS Backlight GPIO on LVDS connector - output low */
 	SETUP_IOMUX_PAD(PAD_SD2_CLK__GPIO1_IO10 | DIO_PAD_CFG);
 	gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
 }
@@ -697,7 +700,9 @@ int misc_init_r(void)
 			setenv("model_base", str);
 			sprintf(fdt, "%s-%s.dtb", cputype, str);
 			setenv("fdt_file1", fdt);
-			if (board_type != GW551x && board_type != GW552x)
+			if (board_type != GW551x &&
+			    board_type != GW552x &&
+			    board_type != GW553x)
 				str[4] = 'x';
 			str[5] = 'x';
 			str[6] = 0;
@@ -776,6 +781,27 @@ static int ft_sethdmiinfmt(void *blob, char *mode)
 	return 0;
 }
 
+/* enable a property of a node if the node is found */
+static inline void ft_enable_path(void *blob, const char *path)
+{
+	int i = fdt_path_offset(blob, path);
+	if (i >= 0) {
+		debug("enabling %s\n", path);
+		fdt_status_okay(blob, i);
+	}
+}
+
+/* remove a property of a node if the node is found */
+static inline void ft_delprop_path(void *blob, const char *path,
+				   const char *name)
+{
+	int i = fdt_path_offset(blob, path);
+	if (i) {
+		debug("removing %s/%s\n", path, name);
+		fdt_delprop(blob, i, name);
+	}
+}
+
 /*
  * called prior to booting kernel or by 'fdt boardsetup' command
  *
@@ -879,6 +905,11 @@ int ft_board_setup(void *blob, bd_t *bd)
 				range[1] = cpu_to_fdt32(23);
 			}
 		}
+
+		/* these have broken usd_vsel */
+		if (strstr((const char *)info->model, "SP318-B") ||
+		    strstr((const char *)info->model, "SP331-B"))
+			gpio_cfg[board_type].usd_vsel = 0;
 	}
 
 	/*
@@ -919,6 +950,32 @@ int ft_board_setup(void *blob, bd_t *bd)
 		ft_sethdmiinfmt(blob, "yuv422bt656");
 	}
 
+	/* Configure DIO */
+	for (i = 0; i < gpio_cfg[board_type].num_gpios; i++) {
+		struct dio_cfg *cfg = &gpio_cfg[board_type].dio_cfg[i];
+		char arg[10];
+
+		sprintf(arg, "dio%d", i);
+		if (!hwconfig(arg))
+			continue;
+		if (hwconfig_subarg_cmp(arg, "mode", "pwm") && cfg->pwm_param)
+		{
+			char path[48];
+			sprintf(path, "/soc/aips-bus@02000000/pwm@%08x",
+				0x02080000 + (0x4000 * (cfg->pwm_param - 1)));
+			printf("   Enabling pwm%d for DIO%d\n",
+			       cfg->pwm_param, i);
+			ft_enable_path(blob, path);
+		}
+	}
+
+	/* remove no-1-8-v if UHS-I support is present */
+	if (gpio_cfg[board_type].usd_vsel) {
+		debug("Enabling UHS-I support\n");
+		ft_delprop_path(blob, "/soc/aips-bus@02100000/usdhc@02198000",
+				"no-1-8-v");
+	}
+
 	/*
 	 * Peripheral Config:
 	 *  remove nodes by alias path if EEPROM config tells us the
diff --git a/board/gateworks/gw_ventana/gw_ventana_spl.c b/board/gateworks/gw_ventana/gw_ventana_spl.c
index 0a6ad47..e7f699a 100644
--- a/board/gateworks/gw_ventana/gw_ventana_spl.c
+++ b/board/gateworks/gw_ventana/gw_ventana_spl.c
@@ -15,6 +15,7 @@
 #include <asm/imx-common/iomux-v3.h>
 #include <asm/imx-common/mxc_i2c.h>
 #include <environment.h>
+#include <i2c.h>
 #include <spl.h>
 
 #include "gsc.h"
@@ -189,6 +190,20 @@ static struct mx6_ddr3_cfg mt41k256m16ha_125 = {
 	.trasmin = 3500,
 };
 
+/* MT41K512M16HA-125 (8Gb density) */
+static struct mx6_ddr3_cfg mt41k512m16ha_125 = {
+	.mem_speed = 1600,
+	.density = 8,
+	.width = 16,
+	.banks = 8,
+	.rowaddr = 16,
+	.coladdr = 10,
+	.pagesz = 2,
+	.trcd = 1375,
+	.trcmin = 4875,
+	.trasmin = 3500,
+};
+
 /*
  * calibration - these are the various CPU/DDR3 combinations we support
  */
@@ -340,6 +355,19 @@ static struct mx6_mmdc_calibration mx6dq_256x64_mmdc_calib = {
 	.p1_mpwrdlctl = 0X40304239,
 };
 
+static struct mx6_mmdc_calibration mx6dq_512x32_mmdc_calib = {
+	/* write leveling calibration determine */
+	.p0_mpwldectrl0 = 0x002A0025,
+	.p0_mpwldectrl1 = 0x003A002A,
+	/* Read DQS Gating calibration */
+	.p0_mpdgctrl0 = 0x43430356,
+	.p0_mpdgctrl1 = 0x033C0335,
+	/* Read Calibration: DQS delay relative to DQ read access */
+	.p0_mprddlctl = 0x4B373F42,
+	/* Write Calibration: DQ/DM delay relative to DQS write access */
+	.p0_mpwrdlctl = 0x303E3C36,
+};
+
 static void spl_dram_init(int width, int size_mb, int board_model)
 {
 	struct mx6_ddr3_cfg *mem = NULL;
@@ -419,6 +447,11 @@ static void spl_dram_init(int width, int size_mb, int board_model)
 		else
 			calib = &mx6sdl_256x32_mmdc_calib;
 		debug("4gB density\n");
+	} else if (width == 32 && size_mb == 2048) {
+		mem = &mt41k512m16ha_125;
+		if (is_cpu_type(MXC_CPU_MX6Q))
+			calib = &mx6dq_512x32_mmdc_calib;
+		debug("8gB density\n");
 	} else if (width == 64 && size_mb == 512) {
 		mem = &mt41k64m16jt_125;
 		debug("1gB density\n");
@@ -526,9 +559,6 @@ void board_init_f(ulong dummy)
 
 	/* Clear the BSS. */
 	memset(__bss_start, 0, __bss_end - __bss_start);
-
-	/* disable boot watchdog */
-	gsc_boot_wd_disable();
 }
 
 /* called from board_init_r after gd setup if CONFIG_SPL_BOARD_INIT defined */
@@ -560,7 +590,7 @@ void spl_board_init(void)
 /* return 1 if we wish to boot to uboot vs os (falcon mode) */
 int spl_start_uboot(void)
 {
-	int ret = 1;
+	unsigned char ret = 1;
 
 	debug("%s\n", __func__);
 #ifdef CONFIG_SPL_ENV_SUPPORT
@@ -569,7 +599,14 @@ int spl_start_uboot(void)
 	debug("boot_os=%s\n", getenv("boot_os"));
 	if (getenv_yesno("boot_os") == 1)
 		ret = 0;
+#else
+	/* use i2c-0:0x50:0x00 for falcon boot mode (0=linux, else uboot) */
+	i2c_set_bus_num(0);
+	gsc_i2c_read(0x50, 0x0, 1, &ret, 1);
 #endif
+	if (!ret)
+		gsc_boot_wd_disable();
+
 	debug("%s booting %s\n", __func__, ret ? "uboot" : "linux");
 	return ret;
 }
diff --git a/board/gateworks/gw_ventana/ventana_eeprom.h b/board/gateworks/gw_ventana/ventana_eeprom.h
index daff375..9ffad58 100644
--- a/board/gateworks/gw_ventana/ventana_eeprom.h
+++ b/board/gateworks/gw_ventana/ventana_eeprom.h
@@ -111,6 +111,7 @@ enum {
 	GW54xx,
 	GW551x,
 	GW552x,
+	GW553x,
 	GW_UNKNOWN,
 	GW_BADCRC,
 };
diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c
index ff8f4d7..d45ed44 100644
--- a/board/ge/bx50v3/bx50v3.c
+++ b/board/ge/bx50v3/bx50v3.c
@@ -601,6 +601,8 @@ int board_late_init(void)
 #ifdef CONFIG_CMD_BMODE
 	add_board_boot_modes(board_boot_modes);
 #endif
+
+#ifdef CONFIG_VIDEO_IPUV3
 	/* We need at least 200ms between power on and backlight on
 	 * as per specifications from CHI MEI */
 	mdelay(250);
@@ -615,6 +617,7 @@ int board_late_init(void)
 	gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
 
 	pwm_enable(0);
+#endif
 
 	return 0;
 }