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

22 files changed, 309 insertions, 16 deletions

diff --git a/arch/arm/dts/tegra114-dalmore.dts b/arch/arm/dts/tegra114-dalmore.dts
index 435c01e..81ad212 100644
--- a/arch/arm/dts/tegra114-dalmore.dts
+++ b/arch/arm/dts/tegra114-dalmore.dts
@@ -6,6 +6,10 @@
 	model = "NVIDIA Dalmore";
 	compatible = "nvidia,dalmore", "nvidia,tegra114";
 
+	chosen {
+		stdout-path = &uartd;
+	};
+
 	aliases {
 		i2c0 = "/i2c@7000d000";
 		i2c1 = "/i2c@7000c000";
diff --git a/arch/arm/dts/tegra114.dtsi b/arch/arm/dts/tegra114.dtsi
index 59434e0..88bdc49 100644
--- a/arch/arm/dts/tegra114.dtsi
+++ b/arch/arm/dts/tegra114.dtsi
@@ -1,3 +1,4 @@
+#include <dt-bindings/clock/tegra114-car.h>
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 
@@ -116,6 +117,58 @@
 		status = "disabled";
 	};
 
+	uarta: serial@70006000 {
+		compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
+		reg = <0x70006000 0x40>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_UARTA>;
+		resets = <&tegra_car 6>;
+		reset-names = "serial";
+		dmas = <&apbdma 8>, <&apbdma 8>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uartb: serial@70006040 {
+		compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
+		reg = <0x70006040 0x40>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_UARTB>;
+		resets = <&tegra_car 7>;
+		reset-names = "serial";
+		dmas = <&apbdma 9>, <&apbdma 9>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uartc: serial@70006200 {
+		compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
+		reg = <0x70006200 0x100>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_UARTC>;
+		resets = <&tegra_car 55>;
+		reset-names = "serial";
+		dmas = <&apbdma 10>, <&apbdma 10>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uartd: serial@70006300 {
+		compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
+		reg = <0x70006300 0x100>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA114_CLK_UARTD>;
+		resets = <&tegra_car 65>;
+		reset-names = "serial";
+		dmas = <&apbdma 19>, <&apbdma 19>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
 	spi@7000d400 {
 		compatible = "nvidia,tegra114-spi";
 		reg = <0x7000d400 0x200>;
diff --git a/arch/arm/dts/tegra124-jetson-tk1.dts b/arch/arm/dts/tegra124-jetson-tk1.dts
index 464287e..ffad116 100644
--- a/arch/arm/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/dts/tegra124-jetson-tk1.dts
@@ -6,6 +6,10 @@
 	model = "NVIDIA Jetson TK1";
 	compatible = "nvidia,jetson-tk1", "nvidia,tegra124";
 
+	chosen {
+		stdout-path = &uartd;
+	};
+
 	aliases {
 		i2c0 = "/i2c@7000d000";
 		i2c1 = "/i2c@7000c000";
diff --git a/arch/arm/dts/tegra124-venice2.dts b/arch/arm/dts/tegra124-venice2.dts
index f003413..f7ccfc5 100644
--- a/arch/arm/dts/tegra124-venice2.dts
+++ b/arch/arm/dts/tegra124-venice2.dts
@@ -6,6 +6,10 @@
 	model = "NVIDIA Venice2";
 	compatible = "nvidia,venice2", "nvidia,tegra124";
 
+	chosen {
+		stdout-path = &uarta;
+	};
+
 	aliases {
 		i2c0 = "/i2c@7000d000";
 		i2c1 = "/i2c@7000c000";
diff --git a/arch/arm/dts/tegra124.dtsi b/arch/arm/dts/tegra124.dtsi
index 4561c5f..3288f28 100644
--- a/arch/arm/dts/tegra124.dtsi
+++ b/arch/arm/dts/tegra124.dtsi
@@ -1,3 +1,4 @@
+#include <dt-bindings/clock/tegra124-car.h>
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 
@@ -126,6 +127,71 @@
 		status = "disabled";
 	};
 
+	uarta: serial@70006000 {
+		compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
+		reg = <0x70006000 0x40>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA124_CLK_UARTA>;
+		resets = <&tegra_car 6>;
+		reset-names = "serial";
+		dmas = <&apbdma 8>, <&apbdma 8>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uartb: serial@70006040 {
+		compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
+		reg = <0x70006040 0x40>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA124_CLK_UARTB>;
+		resets = <&tegra_car 7>;
+		reset-names = "serial";
+		dmas = <&apbdma 9>, <&apbdma 9>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uartc: serial@70006200 {
+		compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
+		reg = <0x70006200 0x40>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA124_CLK_UARTC>;
+		resets = <&tegra_car 55>;
+		reset-names = "serial";
+		dmas = <&apbdma 10>, <&apbdma 10>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uartd: serial@70006300 {
+		compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
+		reg = <0x70006300 0x40>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA124_CLK_UARTD>;
+		resets = <&tegra_car 65>;
+		reset-names = "serial";
+		dmas = <&apbdma 19>, <&apbdma 19>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uarte: serial@70006400 {
+		compatible = "nvidia,tegra124-uart", "nvidia,tegra20-uart";
+		reg = <0x70006400 0x40>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA124_CLK_UARTE>;
+		resets = <&tegra_car 66>;
+		reset-names = "serial";
+		dmas = <&apbdma 20>, <&apbdma 20>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
 	spi@7000d400 {
 		compatible = "nvidia,tegra124-spi", "nvidia,tegra114-spi";
 		reg = <0x7000d400 0x200>;
diff --git a/arch/arm/dts/tegra20-colibri_t20_iris.dts b/arch/arm/dts/tegra20-colibri_t20_iris.dts
index c0e54af..7cf08f4 100644
--- a/arch/arm/dts/tegra20-colibri_t20_iris.dts
+++ b/arch/arm/dts/tegra20-colibri_t20_iris.dts
@@ -6,6 +6,10 @@
 	model = "Toradex Colibri T20";
 	compatible = "toradex,t20", "nvidia,tegra20";
 
+	chosen {
+		stdout-path = &uarta;
+	};
+
 	aliases {
 		usb0 = "/usb@c5008000";
 		usb1 = "/usb@c5000000";
diff --git a/arch/arm/dts/tegra20-harmony.dts b/arch/arm/dts/tegra20-harmony.dts
index b115f87..982a14c 100644
--- a/arch/arm/dts/tegra20-harmony.dts
+++ b/arch/arm/dts/tegra20-harmony.dts
@@ -6,6 +6,10 @@
 	model = "NVIDIA Tegra20 Harmony evaluation board";
 	compatible = "nvidia,harmony", "nvidia,tegra20";
 
+	chosen {
+		stdout-path = &uartd;
+	};
+
 	aliases {
 		usb0 = "/usb@c5008000";
 		usb1 = "/usb@c5004000";
diff --git a/arch/arm/dts/tegra20-medcom-wide.dts b/arch/arm/dts/tegra20-medcom-wide.dts
index a9a07f9..be2ed42 100644
--- a/arch/arm/dts/tegra20-medcom-wide.dts
+++ b/arch/arm/dts/tegra20-medcom-wide.dts
@@ -6,6 +6,10 @@
 	model = "Avionic Design Medcom-Wide";
 	compatible = "ad,medcom-wide", "nvidia,tegra20";
 
+	chosen {
+		stdout-path = &uartd;
+	};
+
 	aliases {
 		usb0 = "/usb@c5008000";
 		sdhci0 = "/sdhci@c8000600";
diff --git a/arch/arm/dts/tegra20-paz00.dts b/arch/arm/dts/tegra20-paz00.dts
index 780203c..9d735b5 100644
--- a/arch/arm/dts/tegra20-paz00.dts
+++ b/arch/arm/dts/tegra20-paz00.dts
@@ -6,6 +6,10 @@
 	model = "Toshiba AC100 / Dynabook AZ";
 	compatible = "compal,paz00", "nvidia,tegra20";
 
+	chosen {
+		stdout-path = &uarta;
+	};
+
 	aliases {
 		usb0 = "/usb@c5008000";
 		sdhci0 = "/sdhci@c8000600";
diff --git a/arch/arm/dts/tegra20-plutux.dts b/arch/arm/dts/tegra20-plutux.dts
index 20016f2..e5562a9 100644
--- a/arch/arm/dts/tegra20-plutux.dts
+++ b/arch/arm/dts/tegra20-plutux.dts
@@ -6,6 +6,10 @@
 	model = "Avionic Design Plutux";
 	compatible = "ad,plutux", "nvidia,tegra20";
 
+	chosen {
+		stdout-path = &uartd;
+	};
+
 	aliases {
 		usb0 = "/usb@c5008000";
 		sdhci0 = "/sdhci@c8000600";
diff --git a/arch/arm/dts/tegra20-seaboard.dts b/arch/arm/dts/tegra20-seaboard.dts
index c0e2e1e..43b9911 100644
--- a/arch/arm/dts/tegra20-seaboard.dts
+++ b/arch/arm/dts/tegra20-seaboard.dts
@@ -10,6 +10,10 @@
 		bootargs = "vmalloc=192M video=tegrafb console=ttyS0,115200n8 root=/dev/mmcblk1p3 rw rootwait";
 	};
 
+	chosen {
+		stdout-path = &uartd;
+	};
+
 	aliases {
 		/* This defines the order of our ports */
 		usb0 = "/usb@c5008000";
diff --git a/arch/arm/dts/tegra20-tec.dts b/arch/arm/dts/tegra20-tec.dts
index 4c1b08d..e99bd44 100644
--- a/arch/arm/dts/tegra20-tec.dts
+++ b/arch/arm/dts/tegra20-tec.dts
@@ -6,6 +6,10 @@
 	model = "Avionic Design Tamonten Evaluation Carrier";
 	compatible = "ad,tec", "nvidia,tegra20";
 
+	chosen {
+		stdout-path = &uartd;
+	};
+
 	aliases {
 		usb0 = "/usb@c5008000";
 		sdhci0 = "/sdhci@c8000600";
diff --git a/arch/arm/dts/tegra20-trimslice.dts b/arch/arm/dts/tegra20-trimslice.dts
index ee31476..cee5cfe 100644
--- a/arch/arm/dts/tegra20-trimslice.dts
+++ b/arch/arm/dts/tegra20-trimslice.dts
@@ -6,6 +6,10 @@
 	model = "Compulab TrimSlice board";
 	compatible = "compulab,trimslice", "nvidia,tegra20";
 
+	chosen {
+		stdout-path = &uarta;
+	};
+
 	aliases {
 		usb0 = "/usb@c5008000";
 		usb1 = "/usb@c5000000";
diff --git a/arch/arm/dts/tegra20-ventana.dts b/arch/arm/dts/tegra20-ventana.dts
index 1a526ba..6812203 100644
--- a/arch/arm/dts/tegra20-ventana.dts
+++ b/arch/arm/dts/tegra20-ventana.dts
@@ -6,6 +6,10 @@
 	model = "NVIDIA Tegra20 Ventana evaluation board";
 	compatible = "nvidia,ventana", "nvidia,tegra20";
 
+	chosen {
+		stdout-path = &uartd;
+	};
+
 	aliases {
 		usb0 = "/usb@c5008000";
 		sdhci0 = "/sdhci@c8000600";
diff --git a/arch/arm/dts/tegra20-whistler.dts b/arch/arm/dts/tegra20-whistler.dts
index eb92264..4fd2496 100644
--- a/arch/arm/dts/tegra20-whistler.dts
+++ b/arch/arm/dts/tegra20-whistler.dts
@@ -6,6 +6,10 @@
 	model = "NVIDIA Tegra20 Whistler evaluation board";
 	compatible = "nvidia,whistler", "nvidia,tegra20";
 
+	chosen {
+		stdout-path = &uarta;
+	};
+
 	aliases {
 		i2c0 = "/i2c@7000d000";
 		usb0 = "/usb@c5008000";
diff --git a/arch/arm/dts/tegra20.dtsi b/arch/arm/dts/tegra20.dtsi
index a524f6e..5f927f7 100644
--- a/arch/arm/dts/tegra20.dtsi
+++ b/arch/arm/dts/tegra20.dtsi
@@ -1,3 +1,4 @@
+#include <dt-bindings/clock/tegra20-car.h>
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 
@@ -189,39 +190,69 @@
 		dma-channel = < 1 >;
 	};
 
-	serial@70006000 {
+	uarta: serial@70006000 {
 		compatible = "nvidia,tegra20-uart";
 		reg = <0x70006000 0x40>;
 		reg-shift = <2>;
-		interrupts = < 68 >;
+		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_UARTA>;
+		resets = <&tegra_car 6>;
+		reset-names = "serial";
+		dmas = <&apbdma 8>, <&apbdma 8>;
+		dma-names = "rx", "tx";
+		status = "disabled";
 	};
 
-	serial@70006040 {
+	uartb: serial@70006040 {
 		compatible = "nvidia,tegra20-uart";
 		reg = <0x70006040 0x40>;
 		reg-shift = <2>;
-		interrupts = < 69 >;
+		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_UARTB>;
+		resets = <&tegra_car 7>;
+		reset-names = "serial";
+		dmas = <&apbdma 9>, <&apbdma 9>;
+		dma-names = "rx", "tx";
+		status = "disabled";
 	};
 
-	serial@70006200 {
+	uartc: serial@70006200 {
 		compatible = "nvidia,tegra20-uart";
 		reg = <0x70006200 0x100>;
 		reg-shift = <2>;
-		interrupts = < 78 >;
+		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_UARTC>;
+		resets = <&tegra_car 55>;
+		reset-names = "serial";
+		dmas = <&apbdma 10>, <&apbdma 10>;
+		dma-names = "rx", "tx";
+		status = "disabled";
 	};
 
-	serial@70006300 {
+	uartd: serial@70006300 {
 		compatible = "nvidia,tegra20-uart";
 		reg = <0x70006300 0x100>;
 		reg-shift = <2>;
-		interrupts = < 122 >;
+		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_UARTD>;
+		resets = <&tegra_car 65>;
+		reset-names = "serial";
+		dmas = <&apbdma 19>, <&apbdma 19>;
+		dma-names = "rx", "tx";
+		status = "disabled";
 	};
 
-	serial@70006400 {
+	uarte: serial@70006400 {
 		compatible = "nvidia,tegra20-uart";
 		reg = <0x70006400 0x100>;
 		reg-shift = <2>;
-		interrupts = < 123 >;
+		interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA20_CLK_UARTE>;
+		resets = <&tegra_car 66>;
+		reset-names = "serial";
+		dmas = <&apbdma 20>, <&apbdma 20>;
+		dma-names = "rx", "tx";
+		status = "disabled";
 	};
 
 	nand: nand-controller@70008000 {
diff --git a/arch/arm/dts/tegra30-beaver.dts b/arch/arm/dts/tegra30-beaver.dts
index 85e62e9..ad140de 100644
--- a/arch/arm/dts/tegra30-beaver.dts
+++ b/arch/arm/dts/tegra30-beaver.dts
@@ -6,6 +6,10 @@
 	model = "NVIDIA Beaver";
 	compatible = "nvidia,beaver", "nvidia,tegra30";
 
+	chosen {
+		stdout-path = &uarta;
+	};
+
 	aliases {
 		i2c0 = "/i2c@7000d000";
 		i2c1 = "/i2c@7000c000";
diff --git a/arch/arm/dts/tegra30-cardhu.dts b/arch/arm/dts/tegra30-cardhu.dts
index ea2cf76..b4fbe71 100644
--- a/arch/arm/dts/tegra30-cardhu.dts
+++ b/arch/arm/dts/tegra30-cardhu.dts
@@ -6,6 +6,10 @@
 	model = "NVIDIA Cardhu";
 	compatible = "nvidia,cardhu", "nvidia,tegra30";
 
+	chosen {
+		stdout-path = &uarta;
+	};
+
 	aliases {
 		i2c0 = "/i2c@7000d000";
 		i2c1 = "/i2c@7000c000";
diff --git a/arch/arm/dts/tegra30-tamonten.dtsi b/arch/arm/dts/tegra30-tamonten.dtsi
index 50d5762..c73afef 100644
--- a/arch/arm/dts/tegra30-tamonten.dtsi
+++ b/arch/arm/dts/tegra30-tamonten.dtsi
@@ -8,6 +8,10 @@
 		reg = <0x80000000 0x40000000>;
 	};
 
+	chosen {
+		stdout-path = &uartd;
+	};
+
 	aliases {
 		i2c0 = "/i2c@7000c000";
 		i2c1 = "/i2c@7000c700";
diff --git a/arch/arm/dts/tegra30.dtsi b/arch/arm/dts/tegra30.dtsi
index 7be3791..fb92a0f 100644
--- a/arch/arm/dts/tegra30.dtsi
+++ b/arch/arm/dts/tegra30.dtsi
@@ -1,3 +1,4 @@
+#include <dt-bindings/clock/tegra30-car.h>
 #include <dt-bindings/gpio/tegra-gpio.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 
@@ -122,6 +123,71 @@
 		status = "disabled";
 	};
 
+	uarta: serial@70006000 {
+		compatible = "nvidia,tegra30-uart", "nvidia,tegra20-uart";
+		reg = <0x70006000 0x40>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_UARTA>;
+		resets = <&tegra_car 6>;
+		reset-names = "serial";
+		dmas = <&apbdma 8>, <&apbdma 8>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uartb: serial@70006040 {
+		compatible = "nvidia,tegra30-uart", "nvidia,tegra20-uart";
+		reg = <0x70006040 0x40>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_UARTB>;
+		resets = <&tegra_car 7>;
+		reset-names = "serial";
+		dmas = <&apbdma 9>, <&apbdma 9>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uartc: serial@70006200 {
+		compatible = "nvidia,tegra30-uart", "nvidia,tegra20-uart";
+		reg = <0x70006200 0x100>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_UARTC>;
+		resets = <&tegra_car 55>;
+		reset-names = "serial";
+		dmas = <&apbdma 10>, <&apbdma 10>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uartd: serial@70006300 {
+		compatible = "nvidia,tegra30-uart", "nvidia,tegra20-uart";
+		reg = <0x70006300 0x100>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_UARTD>;
+		resets = <&tegra_car 65>;
+		reset-names = "serial";
+		dmas = <&apbdma 19>, <&apbdma 19>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
+	uarte: serial@70006400 {
+		compatible = "nvidia,tegra30-uart", "nvidia,tegra20-uart";
+		reg = <0x70006400 0x100>;
+		reg-shift = <2>;
+		interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA30_CLK_UARTE>;
+		resets = <&tegra_car 66>;
+		reset-names = "serial";
+		dmas = <&apbdma 20>, <&apbdma 20>;
+		dma-names = "rx", "tx";
+		status = "disabled";
+	};
+
 	spi@7000d400 {
 		compatible = "nvidia,tegra30-slink", "nvidia,tegra20-slink";
 		reg = <0x7000d400 0x200>;
diff --git a/arch/arm/include/asm/arch-tegra/gpio.h b/arch/arm/include/asm/arch-tegra/gpio.h
index 44cd455..7334e0c 100644
--- a/arch/arm/include/asm/arch-tegra/gpio.h
+++ b/arch/arm/include/asm/arch-tegra/gpio.h
@@ -6,6 +6,8 @@
 #ifndef _TEGRA_GPIO_H_
 #define _TEGRA_GPIO_H_
 
+#define TEGRA_GPIOS_PER_PORT	8
+#define TEGRA_PORTS_PER_BANK	4
 #define MAX_NUM_GPIOS           (TEGRA_GPIO_PORTS * TEGRA_GPIO_BANKS * 8)
 #define GPIO_NAME_SIZE		20	/* gpio_request max label len */
 
@@ -25,9 +27,14 @@ struct tegra_gpio_config {
 	u32 init:2;
 };
 
-/*
- * Tegra-specific GPIO API
+/**
+ * tegra_spl_gpio_direction_output() - set the output value of a GPIO
+ *
+ * This function is only used from SPL on seaboard, which needs to enable a
+ * GPIO to get the UART running. It could be done in U-Boot rather than SPL,
+ * but for now, this gets it working
  */
+int tegra_spl_gpio_direction_output(int gpio, int value);
 
 /**
  * Configure a list of GPIOs
@@ -37,8 +44,4 @@ struct tegra_gpio_config {
  */
 void gpio_config_table(const struct tegra_gpio_config *config, int len);
 
-void gpio_info(void);
-
-#define gpio_status()	gpio_info()
-
 #endif	/* TEGRA_GPIO_H_ */
diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts
index efffacb..797478a 100644
--- a/arch/sandbox/dts/sandbox.dts
+++ b/arch/sandbox/dts/sandbox.dts
@@ -1,6 +1,16 @@
 /dts-v1/;
 
 / {
+	chosen {
+		stdout-path = "/serial";
+	};
+
+	/* Needs to be available prior to relocation */
+	uart0: serial {
+		compatible = "sandbox,serial";
+		sandbox,text-colour = "cyan";
+	};
+
 	triangle {
 		compatible = "demo-shape";
 		colour = "cyan";