diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a9d36e0..1d4eddd 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -905,7 +905,8 @@
 	at91-sama5d2_xplained.dtb
 
 dtb-$(CONFIG_TARGET_SAMA5D27_SOM1_EK) += \
-	at91-sama5d27_som1_ek.dtb
+	at91-sama5d27_som1_ek.dtb   \
+	at91-sama5d27_giantboard.dtb
 
 dtb-$(CONFIG_TARGET_SAMA5D27_WLSOM1_EK) += \
 	at91-sama5d27_wlsom1_ek.dtb
diff --git a/arch/arm/dts/at91-sama5d27_giantboard.dts b/arch/arm/dts/at91-sama5d27_giantboard.dts
new file mode 100644
index 0000000..e81ca60
--- /dev/null
+++ b/arch/arm/dts/at91-sama5d27_giantboard.dts
@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * at91-sama5d27_giantboard.dts - Device Tree file for Giant Board
+ *
+ * Copyright (C) 2020 Greg Gallagher <greg@embeddedgreg.com>
+ *
+ * Derived from at91-sama5d27_som1_ek.dts
+ *
+ * Copyright (C) 2017 Microchip Corporation
+ *		      Wenyou Yang <wenyou.yang@microchip.com>
+ */
+/dts-v1/;
+#include "sama5d2.dtsi"
+#include "sama5d2-pinfunc.h"
+
+/ {
+	model = "Giant Board";
+	compatible = "atmel,sama5d27-giantboard", "atmel,sama5d2", "atmel,sama5";
+
+	memory {
+		reg = <0x20000000 0x8000000>;
+	};
+
+	chosen {
+		u-boot,dm-pre-reloc;
+		stdout-path = &uart1;
+	};
+
+	ahb {
+		sdmmc1: sdio-host@b0000000 {
+			bus-width = <4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_sdmmc1_cmd_dat_default &pinctrl_sdmmc1_ck_cd_default>;
+			status = "okay";
+			u-boot,dm-pre-reloc;
+		};
+
+		apb {
+
+			uart1: serial@f8020000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_uart1_default>;
+				status = "okay";
+				u-boot,dm-pre-reloc;
+			};
+
+			i2c0: i2c@f8028000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_i2c0_default>;
+				status = "okay";
+			};
+
+			i2c1: i2c@fc028000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_i2c1_default>;
+				status = "okay";
+
+				pmic@5b {
+					compatible = "active-semi,act8945a";
+					reg = <0x5b>;
+					active-semi,vsel-low;
+					status = "okay";
+				};
+			};
+
+			pit: timer@f8048030 {
+				status = "okay";
+				u-boot,dm-pre-reloc;
+			};
+
+			sfr: sfr@f8030000 {
+				status = "okay";
+				u-boot,dm-pre-reloc;
+			};
+
+			pioA: gpio@fc038000 {
+				pinctrl {
+
+					pinctrl_sdmmc1_cmd_dat_default: sdmmc1_cmd_dat_default {
+						pinmux = <PIN_PA28__SDMMC1_CMD>,
+							 <PIN_PA18__SDMMC1_DAT0>,
+							 <PIN_PA19__SDMMC1_DAT1>,
+							 <PIN_PA20__SDMMC1_DAT2>,
+							 <PIN_PA21__SDMMC1_DAT3>;
+						bias-pull-up;
+						u-boot,dm-pre-reloc;
+					};
+
+					pinctrl_sdmmc1_ck_cd_default: sdmmc1_ck_cd_default {
+						pinmux = <PIN_PA22__SDMMC1_CK>,
+							 <PIN_PA30__SDMMC1_CD>;
+						bias-disable;
+						u-boot,dm-pre-reloc;
+					};
+
+					pinctrl_uart1_default: uart1_default {
+						pinmux = <PIN_PD2__URXD1>,
+							 <PIN_PD3__UTXD1>;
+						bias-disable;
+						u-boot,dm-pre-reloc;
+					};
+
+					pinctrl_i2c0_default: i2c0_default {
+						pinmux = <PIN_PD21__TWD0>,
+							 <PIN_PD22__TWCK0>;
+						bias-disable;
+					};
+
+					pinctrl_i2c1_default: i2c1_default {
+						pinmux = <PIN_PD4__TWD1>,
+							 <PIN_PD5__TWCK1>;
+						bias-disable;
+					};
+
+					pinctrl_usb_default: usb_default {
+						pinmux = <PIN_PB10__GPIO>;
+						bias-disable;
+					};
+
+					pinctrl_usba_vbus: usba_vbus {
+						pinmux = <PIN_PA31__GPIO>;
+						bias-disable;
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/board/atmel/sama5d27_som1_ek/MAINTAINERS b/board/atmel/sama5d27_som1_ek/MAINTAINERS
index f2d2f49..ba2f31e 100644
--- a/board/atmel/sama5d27_som1_ek/MAINTAINERS
+++ b/board/atmel/sama5d27_som1_ek/MAINTAINERS
@@ -6,3 +6,9 @@
 F:	configs/sama5d27_som1_ek_mmc_defconfig
 F:	configs/sama5d27_som1_ek_mmc1_defconfig
 F:	configs/sama5d27_som1_ek_qspiflash_defconfig
+
+SAMA5D27 GIANT BOARD
+M:	Greg Gallagher <greg@embeddedgreg.com>
+S:	Maintained
+F:	configs/sama5d27_giantboard_defconfig
+F:	arch/arm/dts/at91-sama5d27_giantboard.dts
diff --git a/configs/sama5d27_giantboard_defconfig b/configs/sama5d27_giantboard_defconfig
new file mode 100644
index 0000000..4e55a62
--- /dev/null
+++ b/configs/sama5d27_giantboard_defconfig
@@ -0,0 +1,97 @@
+CONFIG_ARM=y
+CONFIG_ARCH_CPU_INIT=y
+CONFIG_ARCH_AT91=y
+CONFIG_CMDLINE=y
+CONFIG_SYS_TEXT_BASE=0x23f00000
+CONFIG_TARGET_SAMA5D27_SOM1_EK=y
+CONFIG_SAMA5D27_GIANTBOARD=y
+CONFIG_SPL_GPIO_SUPPORT=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_ENV_SIZE=0x4000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_SPL=y
+CONFIG_DEBUG_UART_BOARD_INIT=y
+CONFIG_DEBUG_UART_BASE=0xf8020000
+CONFIG_DEBUG_UART_CLOCK=82000000
+CONFIG_SPL_FAT_SUPPORT=y
+CONFIG_SPL_FS_FAT=y
+CONFIG_SYS_BOARD="giantboard"
+CONFIG_SYS_BOARD_NAME="giantboard"
+CONFIG_SPL_LIBDISK_SUPPORT=y
+CONFIG_DEBUG_UART=y
+CONFIG_ENV_VARS_UBOOT_CONFIG=y
+CONFIG_FIT=y
+CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2"
+CONFIG_SD_BOOT=y
+CONFIG_BOOTDELAY=3
+CONFIG_USE_BOOTARGS=y
+CONFIG_MISC_INIT_R=y
+CONFIG_BOARD_EARLY_INIT_F=y
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_SPL_TEXT_BASE=0x200000
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_HUSH_PARSER=y
+CONFIG_AUTOBOOT_KEYED=y
+CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n"
+CONFIG_AUTOBOOT_STOP_STR=" "
+CONFIG_AUTOBOOT_KEYED_CTRLC=y
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_I2C=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PART=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_LIBFDT=y
+CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_DEFAULT_DEVICE_TREE="at91-sama5d27_giantboard"
+CONFIG_OF_SPL_REMOVE_PROPS="interrupts interrupt-parent dmas dma-names"
+CONFIG_ENV_IS_IN_FAT=y
+CONFIG_DM=y
+CONFIG_SPL_DM=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
+CONFIG_CLK_AT91=y
+CONFIG_AT91_UTMI=y
+CONFIG_AT91_H32MX=y
+CONFIG_AT91_GENERIC_CLK=y
+CONFIG_DM_GPIO=y
+CONFIG_ATMEL_PIO4=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_AT91=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_ATMEL=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+# CONFIG_NET is not set
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_PINCTRL_AT91PIO4=y
+CONFIG_DM_SERIAL=y
+CONFIG_DEBUG_UART_ATMEL=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_ATMEL_USART=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_TIMER=y
+CONFIG_SPL_TIMER=y
+CONFIG_ATMEL_PIT_TIMER=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_ATMEL_USBA=y