diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index cbe5b86755..f897e6d969 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -24,7 +24,7 @@ dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
 	tegra20-trimslice.dtb \
 	tegra20-ventana.dtb \
 	tegra20-whistler.dtb \
-	tegra20-colibri_t20_iris.dtb \
+	tegra20-colibri.dtb \
 	tegra30-apalis.dtb \
 	tegra30-beaver.dtb \
 	tegra30-cardhu.dtb \
diff --git a/arch/arm/dts/tegra20-colibri_t20_iris.dts b/arch/arm/dts/tegra20-colibri.dts
similarity index 100%
rename from arch/arm/dts/tegra20-colibri_t20_iris.dts
rename to arch/arm/dts/tegra20-colibri.dts
diff --git a/arch/arm/include/asm/arch-tegra/pinmux.h b/arch/arm/include/asm/arch-tegra/pinmux.h
index 4212e57699..3cc52dd773 100644
--- a/arch/arm/include/asm/arch-tegra/pinmux.h
+++ b/arch/arm/include/asm/arch-tegra/pinmux.h
@@ -170,6 +170,16 @@ void pinmux_set_io(enum pmux_pingrp pin, enum pmux_pin_io io);
 void pinmux_config_pingrp_table(const struct pmux_pingrp_config *config,
 				int len);
 
+struct pmux_pingrp_desc {
+	u8 funcs[4];
+#if defined(CONFIG_TEGRA20)
+	u8 ctl_id;
+	u8 pull_id;
+#endif /* CONFIG_TEGRA20 */
+};
+
+extern const struct pmux_pingrp_desc *tegra_soc_pingroups;
+
 #ifdef TEGRA_PMX_SOC_HAS_DRVGRPS
 
 #define PMUX_SLWF_MIN	0
@@ -219,14 +229,20 @@ void pinmux_config_drvgrp_table(const struct pmux_drvgrp_config *config,
 
 #endif /* TEGRA_PMX_SOC_HAS_DRVGRPS */
 
-struct pmux_pingrp_desc {
-	u8 funcs[4];
-#if defined(CONFIG_TEGRA20)
-	u8 ctl_id;
-	u8 pull_id;
-#endif /* CONFIG_TEGRA20 */
+#ifdef TEGRA_PMX_SOC_HAS_MIPI_PAD_CTRL_GRPS
+struct pmux_mipipadctrlgrp_config {
+	u32 grp:16;	/* pin group PMUX_MIPIPADCTRLGRP_x   */
+	u32 func:8;	/* function to assign PMUX_FUNC_... */
 };
 
-extern const struct pmux_pingrp_desc *tegra_soc_pingroups;
+void pinmux_config_mipipadctrlgrp_table(
+	const struct pmux_mipipadctrlgrp_config *config, int len);
+
+struct pmux_mipipadctrlgrp_desc {
+	u8 funcs[2];
+};
+
+extern const struct pmux_mipipadctrlgrp_desc *tegra_soc_mipipadctrl_groups;
+#endif /* TEGRA_PMX_SOC_HAS_MIPI_PAD_CTRL_GRPS */
 
 #endif /* _TEGRA_PINMUX_H_ */
diff --git a/arch/arm/include/asm/arch-tegra124/pinmux.h b/arch/arm/include/asm/arch-tegra124/pinmux.h
index 78bc9e6f17..9fcbb0f80b 100644
--- a/arch/arm/include/asm/arch-tegra124/pinmux.h
+++ b/arch/arm/include/asm/arch-tegra124/pinmux.h
@@ -246,6 +246,11 @@ enum pmux_drvgrp {
 	PMUX_DRVGRP_COUNT,
 };
 
+enum pmux_mipipadctrlgrp {
+	PMUX_MIPIPADCTRLGRP_DSI_B,
+	PMUX_MIPIPADCTRLGRP_COUNT,
+};
+
 enum pmux_func {
 	PMUX_FUNC_DEFAULT,
 	PMUX_FUNC_BLINK,
@@ -255,6 +260,7 @@ enum pmux_func {
 	PMUX_FUNC_CLK,
 	PMUX_FUNC_CLK12,
 	PMUX_FUNC_CPU,
+	PMUX_FUNC_CSI,
 	PMUX_FUNC_DAP,
 	PMUX_FUNC_DAP1,
 	PMUX_FUNC_DAP2,
@@ -263,6 +269,7 @@ enum pmux_func {
 	PMUX_FUNC_DISPLAYA_ALT,
 	PMUX_FUNC_DISPLAYB,
 	PMUX_FUNC_DP,
+	PMUX_FUNC_DSI_B,
 	PMUX_FUNC_DTV,
 	PMUX_FUNC_EXTPERIPH1,
 	PMUX_FUNC_EXTPERIPH2,
@@ -336,8 +343,10 @@ enum pmux_func {
 };
 
 #define TEGRA_PMX_SOC_DRV_GROUP_BASE_REG 0x868
+#define TEGRA_PMX_SOC_MIPIPADCTRL_BASE_REG 0x820
 #define TEGRA_PMX_SOC_HAS_IO_CLAMPING
 #define TEGRA_PMX_SOC_HAS_DRVGRPS
+#define TEGRA_PMX_SOC_HAS_MIPI_PAD_CTRL_GRPS
 #define TEGRA_PMX_GRPS_HAVE_LPMD
 #define TEGRA_PMX_GRPS_HAVE_SCHMT
 #define TEGRA_PMX_GRPS_HAVE_HSM
diff --git a/arch/arm/include/asm/config.h b/arch/arm/include/asm/config.h
index be80434dee..7a34a0186c 100644
--- a/arch/arm/include/asm/config.h
+++ b/arch/arm/include/asm/config.h
@@ -7,10 +7,6 @@
 #ifndef _ASM_CONFIG_H_
 #define _ASM_CONFIG_H_
 
-#ifdef __aarch64__
-#define CONFIG_SYS_GENERIC_GLOBAL_DATA
-#endif
-
 #define CONFIG_LMB
 #define CONFIG_SYS_BOOT_RAMDISK_HIGH
 
diff --git a/arch/arm/include/asm/mach-types.h b/arch/arm/include/asm/mach-types.h
index d4a447b2b8..c424a22442 100644
--- a/arch/arm/include/asm/mach-types.h
+++ b/arch/arm/include/asm/mach-types.h
@@ -936,7 +936,7 @@ extern unsigned int __machine_arch_type;
 #define MACH_TYPE_CWME9210             3320
 #define MACH_TYPE_CWME9210JS           3321
 #define MACH_TYPE_PGS_SITARA           3322
-#define MACH_TYPE_COLIBRI_TEGRA2       3323
+#define MACH_TYPE_COLIBRI_T20          3323
 #define MACH_TYPE_W21                  3324
 #define MACH_TYPE_POLYSAT1             3325
 #define MACH_TYPE_DATAWAY              3326
@@ -12197,16 +12197,16 @@ extern unsigned int __machine_arch_type;
 # define machine_is_pgs_v1()	(0)
 #endif
 
-#ifdef CONFIG_MACH_COLIBRI_TEGRA2
+#ifdef CONFIG_MACH_COLIBRI_T20
 # ifdef machine_arch_type
 #  undef machine_arch_type
 #  define machine_arch_type	__machine_arch_type
 # else
-#  define machine_arch_type	MACH_TYPE_COLIBRI_TEGRA2
+#  define machine_arch_type	MACH_TYPE_COLIBRI_T20
 # endif
-# define machine_is_colibri_tegra2()	(machine_arch_type == MACH_TYPE_COLIBRI_TEGRA2)
+# define machine_is_colibri_t20()	(machine_arch_type == MACH_TYPE_COLIBRI_T20)
 #else
-# define machine_is_colibri_tegra2()	(0)
+# define machine_is_colibri_t20()	(0)
 #endif
 
 #ifdef CONFIG_MACH_W21
diff --git a/arch/arm/lib/crt0_64.S b/arch/arm/lib/crt0_64.S
index 77563967e5..1654011432 100644
--- a/arch/arm/lib/crt0_64.S
+++ b/arch/arm/lib/crt0_64.S
@@ -62,9 +62,18 @@ ENTRY(_main)
  * Set up initial C runtime environment and call board_init_f(0).
  */
 	ldr	x0, =(CONFIG_SYS_INIT_SP_ADDR)
-	sub	x0, x0, #GD_SIZE	/* allocate one GD above SP */
+	sub	x18, x0, #GD_SIZE	/* allocate one GD above SP */
+	bic	x18, x18, #0x7		/* 8-byte alignment for GD */
+zero_gd:
+	sub	x0, x0, #0x8
+	str	xzr, [x0]
+	cmp	x0, x18
+	b.gt	zero_gd
+#if defined(CONFIG_SYS_MALLOC_F_LEN)
+	sub	x0, x18, #CONFIG_SYS_MALLOC_F_LEN
+	str	x0, [x18, #GD_MALLOC_BASE]
+#endif
 	bic	sp, x0, #0xf	/* 16-byte alignment for ABI compliance */
-	mov	x18, sp			/* GD is above SP */
 	mov	x0, #0
 	bl	board_init_f
 
diff --git a/arch/arm/mach-tegra/pinmux-common.c b/arch/arm/mach-tegra/pinmux-common.c
index 912f65e98b..b4a1432afc 100644
--- a/arch/arm/mach-tegra/pinmux-common.c
+++ b/arch/arm/mach-tegra/pinmux-common.c
@@ -108,6 +108,8 @@
 
 #define DRV_REG(group)	_R(TEGRA_PMX_SOC_DRV_GROUP_BASE_REG + ((group) * 4))
 
+#define MIPIPADCTRL_REG(group)	_R(TEGRA_PMX_SOC_MIPIPADCTRL_BASE_REG + ((group) * 4))
+
 /*
  * We could force arch-tegraNN/pinmux.h to define all of these. However,
  * that's a lot of defines, and for now it's manageable to just put a
@@ -695,4 +697,59 @@ void pinmux_config_drvgrp_table(const struct pmux_drvgrp_config *config,
 	for (i = 0; i < len; i++)
 		pinmux_config_drvgrp(&config[i]);
 }
-#endif /* TEGRA_PMX_HAS_DRVGRPS */
+#endif /* TEGRA_PMX_SOC_HAS_DRVGRPS */
+
+#ifdef TEGRA_PMX_SOC_HAS_MIPI_PAD_CTRL_GRPS
+
+#define pmux_mipipadctrlgrp_isvalid(pd) (((pd) >= 0) && ((pd) < PMUX_MIPIPADCTRLGRP_COUNT))
+
+static void pinmux_mipipadctrl_set_func(enum pmux_mipipadctrlgrp grp,
+	enum pmux_func func)
+{
+	u32 *reg = MIPIPADCTRL_REG(grp);
+	int i, mux = -1;
+	u32 val;
+
+	if (func == PMUX_FUNC_DEFAULT)
+		return;
+
+	/* Error check grp and func */
+	assert(pmux_mipipadctrlgrp_isvalid(grp));
+	assert(pmux_func_isvalid(func));
+
+	if (func >= PMUX_FUNC_RSVD1) {
+		mux = (func - PMUX_FUNC_RSVD1) & 1;
+	} else {
+		/* Search for the appropriate function */
+		for (i = 0; i < 2; i++) {
+			if (tegra_soc_mipipadctrl_groups[grp].funcs[i]
+			    == func) {
+				mux = i;
+				break;
+			}
+		}
+	}
+	assert(mux != -1);
+
+	val = readl(reg);
+	val &= ~(1 << 1);
+	val |= (mux << 1);
+	writel(val, reg);
+}
+
+static void pinmux_config_mipipadctrlgrp(const struct pmux_mipipadctrlgrp_config *config)
+{
+	enum pmux_mipipadctrlgrp grp = config->grp;
+
+	pinmux_mipipadctrl_set_func(grp, config->func);
+}
+
+void pinmux_config_mipipadctrlgrp_table(
+	const struct pmux_mipipadctrlgrp_config *config, int len)
+{
+	int i;
+
+	for (i = 0; i < len; i++)
+		pinmux_config_mipipadctrlgrp(&config[i]);
+}
+#endif /* TEGRA_PMX_SOC_HAS_MIPI_PAD_CTRL_GRPS */
diff --git a/arch/arm/mach-tegra/tegra124/pinmux.c b/arch/arm/mach-tegra/tegra124/pinmux.c
index c6685eaae1..4629b4676c 100644
--- a/arch/arm/mach-tegra/tegra124/pinmux.c
+++ b/arch/arm/mach-tegra/tegra124/pinmux.c
@@ -304,3 +304,20 @@ static const struct pmux_pingrp_desc tegra124_pingroups[] = {
 	PIN(DP_HPD_PFF0,            DP,         RSVD2,    RSVD3,        RSVD4),
 };
 const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra124_pingroups;
+
+#define MIPIPADCTRL_GRP(grp, f0, f1)	\
+	{				\
+		.funcs = {		\
+			PMUX_FUNC_##f0,	\
+			PMUX_FUNC_##f1,	\
+		},			\
+	}
+
+#define MIPIPADCTRL_RESERVED {}
+
+static const struct pmux_mipipadctrlgrp_desc tegra124_mipipadctrl_groups[] = {
+	/*              pin,   f0,  f1 */
+	/* Offset 0x820 */
+	MIPIPADCTRL_GRP(DSI_B, CSI, DSI_B),
+};
+const struct pmux_mipipadctrlgrp_desc *tegra_soc_mipipadctrl_groups = tegra124_mipipadctrl_groups;
diff --git a/arch/arm/mach-tegra/tegra20/Kconfig b/arch/arm/mach-tegra/tegra20/Kconfig
index a354e2ad1f..7f09f819cc 100644
--- a/arch/arm/mach-tegra/tegra20/Kconfig
+++ b/arch/arm/mach-tegra/tegra20/Kconfig
@@ -30,7 +30,7 @@ config TARGET_VENTANA
 config TARGET_WHISTLER
 	bool "NVIDIA Tegra20 Whistler evaluation board"
 
-config TARGET_COLIBRI_T20_IRIS
+config TARGET_COLIBRI_T20
 	bool "Toradex Colibri T20 board"
 
 endchoice
@@ -47,6 +47,6 @@ source "board/avionic-design/tec/Kconfig"
 source "board/compulab/trimslice/Kconfig"
 source "board/nvidia/ventana/Kconfig"
 source "board/nvidia/whistler/Kconfig"
-source "board/toradex/colibri_t20_iris/Kconfig"
+source "board/toradex/colibri_t20/Kconfig"
 
 endif
diff --git a/arch/arm/mach-tegra/tegra20/funcmux.c b/arch/arm/mach-tegra/tegra20/funcmux.c
index 0df4a0738d..44a85c5f1d 100644
--- a/arch/arm/mach-tegra/tegra20/funcmux.c
+++ b/arch/arm/mach-tegra/tegra20/funcmux.c
@@ -252,12 +252,14 @@ int funcmux_select(enum periph_id id, int config)
 			break;
 		case FUNCMUX_NDFLASH_KBC_8_BIT:
 			pinmux_set_func(PMUX_PINGRP_KBCA, PMUX_FUNC_NAND);
+			pinmux_set_func(PMUX_PINGRP_KBCB, PMUX_FUNC_NAND);
 			pinmux_set_func(PMUX_PINGRP_KBCC, PMUX_FUNC_NAND);
 			pinmux_set_func(PMUX_PINGRP_KBCD, PMUX_FUNC_NAND);
 			pinmux_set_func(PMUX_PINGRP_KBCE, PMUX_FUNC_NAND);
 			pinmux_set_func(PMUX_PINGRP_KBCF, PMUX_FUNC_NAND);
 
 			pinmux_tristate_disable(PMUX_PINGRP_KBCA);
+			pinmux_tristate_disable(PMUX_PINGRP_KBCB);
 			pinmux_tristate_disable(PMUX_PINGRP_KBCC);
 			pinmux_tristate_disable(PMUX_PINGRP_KBCD);
 			pinmux_tristate_disable(PMUX_PINGRP_KBCE);
diff --git a/arch/arm/cpu/tegra210-common/pinmux.c b/arch/arm/mach-tegra/tegra210/pinmux.c
similarity index 100%
rename from arch/arm/cpu/tegra210-common/pinmux.c
rename to arch/arm/mach-tegra/tegra210/pinmux.c
diff --git a/board/armltd/vexpress64/vexpress64.c b/board/armltd/vexpress64/vexpress64.c
index 876cb678eb..13dd667436 100644
--- a/board/armltd/vexpress64/vexpress64.c
+++ b/board/armltd/vexpress64/vexpress64.c
@@ -11,9 +11,22 @@
 #include <netdev.h>
 #include <asm/io.h>
 #include <linux/compiler.h>
+#include <dm/platdata.h>
+#include <dm/platform_data/serial_pl01x.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+static const struct pl01x_serial_platdata serial_platdata = {
+	.base = V2M_UART0,
+	.type = TYPE_PL011,
+	.clock = 2400 * 1000,
+};
+
+U_BOOT_DEVICE(vexpress_serials) = {
+	.name = "serial_pl01x",
+	.platdata = &serial_platdata,
+};
+
 int board_init(void)
 {
 	return 0;
diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c
index 25480e481d..2d07001800 100644
--- a/board/nvidia/seaboard/seaboard.c
+++ b/board/nvidia/seaboard/seaboard.c
@@ -20,7 +20,7 @@
 void gpio_early_init_uart(void)
 {
 	/* Enable UART via GPIO_PI3 (port 8, bit 3) so serial console works */
-	gpio_request(GPIO_PI3, NULL);
+	gpio_request(GPIO_PI3, "uart_en");
 	gpio_direction_output(GPIO_PI3, 0);
 }
 #endif
diff --git a/board/toradex/colibri_t20-common/colibri_t20-common.h b/board/toradex/colibri_t20-common/colibri_t20-common.h
deleted file mode 100644
index 1fe53f6073..0000000000
--- a/board/toradex/colibri_t20-common/colibri_t20-common.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/*
- *  Copyright (C) 2012 Lucas Stach
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-void colibri_t20_common_pin_mux_usb(void);
diff --git a/board/toradex/colibri_t20_iris/Kconfig b/board/toradex/colibri_t20/Kconfig
similarity index 51%
rename from board/toradex/colibri_t20_iris/Kconfig
rename to board/toradex/colibri_t20/Kconfig
index 4bf727809e..7f373b2d26 100644
--- a/board/toradex/colibri_t20_iris/Kconfig
+++ b/board/toradex/colibri_t20/Kconfig
@@ -1,12 +1,12 @@
-if TARGET_COLIBRI_T20_IRIS
+if TARGET_COLIBRI_T20
 
 config SYS_BOARD
-	default "colibri_t20_iris"
+	default "colibri_t20"
 
 config SYS_VENDOR
 	default "toradex"
 
 config SYS_CONFIG_NAME
-	default "colibri_t20_iris"
+	default "colibri_t20"
 
 endif
diff --git a/board/toradex/colibri_t20/MAINTAINERS b/board/toradex/colibri_t20/MAINTAINERS
new file mode 100644
index 0000000000..b251c000fe
--- /dev/null
+++ b/board/toradex/colibri_t20/MAINTAINERS
@@ -0,0 +1,7 @@
+COLIBRI_T20
+M:	Lucas Stach <dev@lynxeye.de>
+S:	Maintained
+F:	board/toradex/colibri_t20/
+F:	include/configs/colibri_t20.h
+F:	configs/colibri_t20_defconfig
+F:	arch/arm/dts/tegra20-colibri.dtb
diff --git a/board/toradex/colibri_t20/Makefile b/board/toradex/colibri_t20/Makefile
new file mode 100644
index 0000000000..86f78d9d9d
--- /dev/null
+++ b/board/toradex/colibri_t20/Makefile
@@ -0,0 +1,9 @@
+#
+#  (C) Copyright 2012 Lucas Stach
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+include $(srctree)/board/nvidia/common/common.mk
+
+obj-y	+= colibri_t20.o
diff --git a/board/toradex/colibri_t20-common/colibri_t20-common.c b/board/toradex/colibri_t20/colibri_t20.c
similarity index 50%
rename from board/toradex/colibri_t20-common/colibri_t20-common.c
rename to board/toradex/colibri_t20/colibri_t20.c
index 58a9916f0a..8ae9ccf538 100644
--- a/board/toradex/colibri_t20-common/colibri_t20-common.c
+++ b/board/toradex/colibri_t20/colibri_t20.c
@@ -9,21 +9,17 @@
 #include <asm/arch/funcmux.h>
 #include <asm/arch/pinmux.h>
 #include <asm/arch-tegra/board.h>
+#include <asm/gpio.h>
 
-#include "colibri_t20-common.h"
-
-#ifdef CONFIG_USB_EHCI_TEGRA
-void colibri_t20_common_pin_mux_usb(void)
+#ifdef CONFIG_TEGRA_MMC
+/*
+ * Routine: pin_mux_mmc
+ * Description: setup the pin muxes/tristate values for the SDMMC(s)
+ */
+void pin_mux_mmc(void)
 {
-	/* module internal USB bus to connect ethernet chipset */
-	funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI);
-	/* ULPI reference clock output */
-	pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4);
-	pinmux_tristate_disable(PMUX_PINGRP_CDEV2);
-	/* PHY reset GPIO */
-	pinmux_tristate_disable(PMUX_PINGRP_UAC);
-	/* VBus GPIO */
-	pinmux_tristate_disable(PMUX_PINGRP_DTE);
+	funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT);
+	pinmux_tristate_disable(PMUX_PINGRP_GMB);
 }
 #endif
 
@@ -31,5 +27,39 @@ void colibri_t20_common_pin_mux_usb(void)
 void pin_mux_nand(void)
 {
 	funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_NDFLASH_KBC_8_BIT);
+
+	/*
+	 * configure pingroup ATC to something unrelated to
+	 * avoid ATC overriding KBC
+	 */
+	pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_GMI);
+}
+#endif
+
+#ifdef CONFIG_USB_EHCI_TEGRA
+void pin_mux_usb(void)
+{
+	/* module internal USB bus to connect ethernet chipset */
+	funcmux_select(PERIPH_ID_USB2, FUNCMUX_USB2_ULPI);
+
+	/* ULPI reference clock output */
+	pinmux_set_func(PMUX_PINGRP_CDEV2, PMUX_FUNC_PLLP_OUT4);
+	pinmux_tristate_disable(PMUX_PINGRP_CDEV2);
+
+	/* PHY reset GPIO */
+	pinmux_tristate_disable(PMUX_PINGRP_UAC);
+
+	/* VBus GPIO */
+	pinmux_tristate_disable(PMUX_PINGRP_DTE);
+
+	/* Reset ASIX using LAN_RESET */
+	gpio_request(GPIO_PV4, "LAN_RESET");
+	gpio_direction_output(GPIO_PV4, 0);
+	pinmux_tristate_disable(PMUX_PINGRP_GPV);
+	udelay(5);
+	gpio_set_value(GPIO_PV4, 1);
+
+	/* USBH_PEN: USB 1 aka Tegra USB port 3 VBus */
+	pinmux_tristate_disable(PMUX_PINGRP_SPIG);
 }
 #endif
diff --git a/board/toradex/colibri_t20_iris/MAINTAINERS b/board/toradex/colibri_t20_iris/MAINTAINERS
deleted file mode 100644
index c68955bfa9..0000000000
--- a/board/toradex/colibri_t20_iris/MAINTAINERS
+++ /dev/null
@@ -1,6 +0,0 @@
-COLIBRI_T20_IRIS BOARD
-M:	Lucas Stach <dev@lynxeye.de>
-S:	Maintained
-F:	board/toradex/colibri_t20_iris/
-F:	include/configs/colibri_t20_iris.h
-F:	configs/colibri_t20_iris_defconfig
diff --git a/board/toradex/colibri_t20_iris/Makefile b/board/toradex/colibri_t20_iris/Makefile
deleted file mode 100644
index ebeac70ea1..0000000000
--- a/board/toradex/colibri_t20_iris/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-#  (C) Copyright 2012 Lucas Stach
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-obj-y	:= ../../nvidia/common/board.o
-obj-y	+= ../colibri_t20-common/colibri_t20-common.o
-obj-y	+= colibri_t20_iris.o
diff --git a/board/toradex/colibri_t20_iris/colibri_t20_iris.c b/board/toradex/colibri_t20_iris/colibri_t20_iris.c
deleted file mode 100644
index 49c74f34f1..0000000000
--- a/board/toradex/colibri_t20_iris/colibri_t20_iris.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- *  Copyright (C) 2012 Lucas Stach
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/gpio.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/funcmux.h>
-#include <asm/arch/pinmux.h>
-#include <asm/arch-tegra/board.h>
-
-#include "../colibri_t20-common/colibri_t20-common.h"
-
-#ifdef CONFIG_USB_EHCI_TEGRA
-void pin_mux_usb(void)
-{
-	colibri_t20_common_pin_mux_usb();
-
-	/* USB 1 aka Tegra USB port 3 VBus*/
-	pinmux_tristate_disable(PMUX_PINGRP_SPIG);
-}
-#endif
-
-#ifdef CONFIG_TEGRA_MMC
-/*
- * Routine: pin_mux_mmc
- * Description: setup the pin muxes/tristate values for the SDMMC(s)
- */
-void pin_mux_mmc(void)
-{
-	funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_4_BIT);
-	pinmux_tristate_disable(PMUX_PINGRP_GMB);
-}
-#endif
diff --git a/configs/colibri_t20_defconfig b/configs/colibri_t20_defconfig
new file mode 100644
index 0000000000..89875672b5
--- /dev/null
+++ b/configs/colibri_t20_defconfig
@@ -0,0 +1,5 @@
+CONFIG_ARM=y
+CONFIG_TEGRA=y
+CONFIG_TEGRA20=y
+CONFIG_TARGET_COLIBRI_T20=y
+CONFIG_DEFAULT_DEVICE_TREE="tegra20-colibri"
diff --git a/configs/colibri_t20_iris_defconfig b/configs/colibri_t20_iris_defconfig
deleted file mode 100644
index a14d55a08b..0000000000
--- a/configs/colibri_t20_iris_defconfig
+++ /dev/null
@@ -1,5 +0,0 @@
-CONFIG_ARM=y
-CONFIG_TEGRA=y
-CONFIG_TEGRA20=y
-CONFIG_TARGET_COLIBRI_T20_IRIS=y
-CONFIG_DEFAULT_DEVICE_TREE="tegra20-colibri_t20_iris"
diff --git a/include/configs/colibri_t20_iris.h b/include/configs/colibri_t20.h
similarity index 60%
rename from include/configs/colibri_t20_iris.h
rename to include/configs/colibri_t20.h
index 4888c945fe..c17f245a17 100644
--- a/include/configs/colibri_t20_iris.h
+++ b/include/configs/colibri_t20.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2012 Lucas Stach
+ * Copyright (C) 2012 Lucas Stach
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -10,13 +10,16 @@
 #include "tegra20-common.h"
 
 /* High-level configuration options */
-#define V_PROMPT                   "Tegra20 (Colibri) # "
-#define CONFIG_TEGRA_BOARD_STRING  "Toradex Colibri T20 on Iris"
+#define V_PROMPT			"Colibri T20 # "
+#define CONFIG_TEGRA_BOARD_STRING	"Toradex Colibri T20"
 
 /* Board-specific serial config */
+#define CONFIG_SERIAL_MULTI
 #define CONFIG_TEGRA_ENABLE_UARTA
 #define CONFIG_TEGRA_UARTA_SDIO1
-#define CONFIG_SYS_NS16550_COM1    NV_PA_APB_UARTA_BASE
+#define CONFIG_SYS_NS16550_COM1		NV_PA_APB_UARTA_BASE
+
+#define CONFIG_MACH_TYPE		MACH_TYPE_COLIBRI_T20
 
 /* SD/MMC support */
 #define CONFIG_MMC
@@ -29,17 +32,17 @@
 #define CONFIG_USB_EHCI_TEGRA
 #define CONFIG_USB_ULPI
 #define CONFIG_USB_ULPI_VIEWPORT
-#define CONFIG_USB_STORAGE
 #define CONFIG_USB_MAX_CONTROLLER_COUNT 3
+#define CONFIG_USB_STORAGE
 #define CONFIG_CMD_USB
 
 /* USB networking support */
 #define CONFIG_USB_HOST_ETHER
 #define CONFIG_USB_ETHER_ASIX
+
+/* General networking support */
 #define CONFIG_CMD_NET
 #define CONFIG_CMD_DHCP
-#define CONFIG_CMD_NFS
-#define CONFIG_CMD_PING
 
 /* NAND support */
 #define CONFIG_CMD_NAND
@@ -56,6 +59,26 @@
 #define CONFIG_CMD_BDI
 #define CONFIG_CMD_CACHE
 
+/* Miscellaneous commands */
+#define CONFIG_CMD_SETEXPR
+#define CONFIG_FAT_WRITE
+
+/* Increase console I/O buffer size */
+#undef CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_CBSIZE		1024
+
+/* Increase arguments buffer size */
+#undef CONFIG_SYS_BARGSIZE
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+/* Increase print buffer size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/* Increase maximum number of arguments */
+#undef CONFIG_SYS_MAXARGS
+#define CONFIG_SYS_MAXARGS		32
+
+#include "tegra-common-usb-gadget.h"
 #include "tegra-common-post.h"
 
 #endif /* __CONFIG_H */
diff --git a/include/configs/seaboard.h b/include/configs/seaboard.h
index 4442064db9..78ff651d06 100644
--- a/include/configs/seaboard.h
+++ b/include/configs/seaboard.h
@@ -27,9 +27,6 @@
 #define CONFIG_TEGRA_ENABLE_UARTD
 #define CONFIG_SYS_NS16550_COM1		NV_PA_APB_UARTD_BASE
 
-/* On Seaboard: GPIO_PI3 = Port I = 8, bit = 3 */
-#define CONFIG_UART_DISABLE_GPIO	GPIO_PI3
-
 #define CONFIG_MACH_TYPE		MACH_TYPE_SEABOARD
 
 /* I2C */
diff --git a/include/configs/vexpress_aemv8a.h b/include/configs/vexpress_aemv8a.h
index c4721439ac..9ddb594f9c 100644
--- a/include/configs/vexpress_aemv8a.h
+++ b/include/configs/vexpress_aemv8a.h
@@ -8,6 +8,8 @@
 #ifndef __VEXPRESS_AEMV8A_H
 #define __VEXPRESS_AEMV8A_H
 
+#define CONFIG_DM
+
 /* We use generic board for v8 Versatile Express */
 #define CONFIG_SYS_GENERIC_BOARD
 
@@ -116,6 +118,7 @@
 #define CONFIG_SYS_MEMTEST_END		(V2M_BASE + 0x80000000)
 
 /* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_F_LEN		0x2000
 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + (8 << 20))
 
 /* Ethernet Configuration */
@@ -131,6 +134,14 @@
 #endif
 
 /* PL011 Serial Configuration */
+#define CONFIG_BAUDRATE			115200
+#ifdef CONFIG_DM
+#define CONFIG_DM_SERIAL
+#define CONFIG_PL01X_SERIAL
+#else
+#define CONFIG_SYS_SERIAL0		V2M_UART0
+#define CONFIG_SYS_SERIAL1		V2M_UART1
+#define CONFIG_CONS_INDEX		0
 #define CONFIG_PL011_SERIAL
 #ifdef CONFIG_TARGET_VEXPRESS64_JUNO
 #define CONFIG_PL011_CLOCK		7273800
@@ -139,7 +150,7 @@
 #endif
 #define CONFIG_PL01x_PORTS		{(void *)CONFIG_SYS_SERIAL0, \
 					 (void *)CONFIG_SYS_SERIAL1}
-#define CONFIG_CONS_INDEX		0
+#endif
 
 #define CONFIG_BAUDRATE			115200
 #define CONFIG_SYS_SERIAL0		V2M_UART0
diff --git a/tools/buildman/README b/tools/buildman/README
index cf7bf5c17e..e870d54c1f 100644
--- a/tools/buildman/README
+++ b/tools/buildman/README
@@ -613,7 +613,7 @@ $ ./tools/buildman/buildman -b us-mem4 -sSdB
                  run_list_real                             1996    2000      +4
                  do_nandboot                                760     756      -4
                  do_mem_crc                                 168      68    -100
-            colibri_t20_iris:  all -9  rodata -29  text +20
+            colibri_t20    :  all -9  rodata -29  text +20
                u-boot: add: 1/0, grow: 2/-3 bytes: 140/-112 (28)
                  function                                   old     new   delta
                  hash_command                                80     160     +80