diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0083bf9..3c2d33a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -678,6 +678,10 @@ config TARGET_PCM052
 	bool "Support pcm-052"
 	select CPU_V7
 
+config TARGET_BK4R1
+	bool "Support BK4r1"
+	select CPU_V7
+
 config ARCH_ZYNQ
 	bool "Xilinx Zynq Platform"
 	select CPU_V7
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index df57288..3e3b5c3 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -274,7 +274,8 @@ dtb-$(CONFIG_MACH_SUN9I) += \
 dtb-$(CONFIG_VF610) += vf500-colibri.dtb \
 	vf610-colibri.dtb \
 	vf610-twr.dtb \
-	pcm052.dtb
+	pcm052.dtb \
+	bk4r1.dtb
 
 dtb-$(CONFIG_SOC_KEYSTONE) += k2hk-evm.dtb \
 	k2l-evm.dtb \
diff --git a/arch/arm/dts/bk4r1.dts b/arch/arm/dts/bk4r1.dts
new file mode 100644
index 0000000..197e5ab
--- /dev/null
+++ b/arch/arm/dts/bk4r1.dts
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2016 Toradex AG
+ *
+ * SPDX-License-Identifier:     GPL-2.0+ or X11
+ */
+
+/dts-v1/;
+#include "vf.dtsi"
+
+/ {
+	model = "Phytec phyCORE-Vybrid";
+	compatible = "phytec,pcm052", "fsl,vf610";
+
+	chosen {
+		stdout-path = &uart1;
+	};
+
+	aliases {
+		spi0 = &qspi0;
+	};
+
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&qspi0 {
+	bus-num = <0>;
+	num-cs = <2>;
+	status = "okay";
+
+	qflash0: spi_flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-flash";
+		spi-max-frequency = <108000000>;
+		reg = <0>;
+	};
+
+	qflash1: spi_flash@1 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-flash";
+		spi-max-frequency = <66000000>;
+		reg = <1>;
+	};
+};
diff --git a/arch/arm/dts/vf.dtsi b/arch/arm/dts/vf.dtsi
index 1530d2f..404dfe9 100644
--- a/arch/arm/dts/vf.dtsi
+++ b/arch/arm/dts/vf.dtsi
@@ -80,7 +80,9 @@
 				#address-cells = <1>;
 				#size-cells = <0>;
 				compatible = "fsl,vf610-qspi";
-				reg = <0x40044000 0x1000>;
+				reg = <0x40044000 0x1000>,
+					  <0x20000000 0x10000000>;
+				reg-names = "QuadSPI", "QuadSPI-memory";
 				status = "disabled";
 			};
 
diff --git a/board/phytec/pcm052/Kconfig b/board/phytec/pcm052/Kconfig
index 88524a3..212f994 100644
--- a/board/phytec/pcm052/Kconfig
+++ b/board/phytec/pcm052/Kconfig
@@ -17,3 +17,23 @@ config PCM052_DDR_SIZE
 	default 256
 
 endif
+
+if TARGET_BK4R1
+
+config SYS_BOARD
+	default "pcm052"
+
+config SYS_VENDOR
+	default "phytec"
+
+config SYS_SOC
+	default "vf610"
+
+config SYS_CONFIG_NAME
+	default "bk4r1"
+
+config PCM052_DDR_SIZE
+	int
+	default 512
+
+endif
diff --git a/board/phytec/pcm052/pcm052.c b/board/phytec/pcm052/pcm052.c
index 7341899..e75ff4f 100644
--- a/board/phytec/pcm052/pcm052.c
+++ b/board/phytec/pcm052/pcm052.c
@@ -152,57 +152,6 @@ static struct ddrmc_phy_setting pcm052_phy_settings[] = {
 
 int dram_init(void)
 {
-	static const struct ddr3_jedec_timings pcm052_ddr_timings = {
-		.tinit             = 5,
-		.trst_pwron        = 80000,
-		.cke_inactive      = 200000,
-		.wrlat             = 5,
-		.caslat_lin        = 12,
-		.trc               = 6,
-		.trrd              = 4,
-		.tccd              = 4,
-		.tbst_int_interval = 4,
-		.tfaw              = 18,
-		.trp               = 6,
-		.twtr              = 4,
-		.tras_min          = 15,
-		.tmrd              = 4,
-		.trtp              = 4,
-		.tras_max          = 14040,
-		.tmod              = 12,
-		.tckesr            = 4,
-		.tcke              = 3,
-		.trcd_int          = 6,
-		.tras_lockout      = 1,
-		.tdal              = 10,
-		.bstlen            = 3,
-		.tdll              = 512,
-		.trp_ab            = 6,
-		.tref              = 1542,
-		.trfc              = 64,
-		.tref_int          = 5,
-		.tpdex             = 3,
-		.txpdll            = 10,
-		.txsnr             = 68,
-		.txsr              = 506,
-		.cksrx             = 5,
-		.cksre             = 5,
-		.freq_chg_en       = 1,
-		.zqcl              = 256,
-		.zqinit            = 512,
-		.zqcs              = 64,
-		.ref_per_zq        = 64,
-		.zqcs_rotate       = 1,
-		.aprebit           = 10,
-		.cmd_age_cnt       = 255,
-		.age_cnt           = 255,
-		.q_fullness        = 0,
-		.odt_rd_mapcs0     = 1,
-		.odt_wr_mapcs0     = 1,
-		.wlmrd             = 40,
-		.wldqsen           = 25,
-	};
-
 	static const iomux_v3_cfg_t pcm052_pads[] = {
 		PCM052_VF610_PAD_DDR_A15__DDR_A_15,
 		PCM052_VF610_PAD_DDR_A14__DDR_A_14,
@@ -256,11 +205,126 @@ int dram_init(void)
 		PCM052_VF610_PAD_DDR_RESETB,
 	};
 
-	imx_iomux_v3_setup_multiple_pads(pcm052_pads, ARRAY_SIZE(pcm052_pads));
+#if defined(CONFIG_TARGET_PCM052)
+
+	static const struct ddr3_jedec_timings pcm052_ddr_timings = {
+		.tinit             = 5,
+		.trst_pwron        = 80000,
+		.cke_inactive      = 200000,
+		.wrlat             = 5,
+		.caslat_lin        = 12,
+		.trc               = 6,
+		.trrd              = 4,
+		.tccd              = 4,
+		.tbst_int_interval = 4,
+		.tfaw              = 18,
+		.trp               = 6,
+		.twtr              = 4,
+		.tras_min          = 15,
+		.tmrd              = 4,
+		.trtp              = 4,
+		.tras_max          = 14040,
+		.tmod              = 12,
+		.tckesr            = 4,
+		.tcke              = 3,
+		.trcd_int          = 6,
+		.tras_lockout      = 1,
+		.tdal              = 10,
+		.bstlen            = 3,
+		.tdll              = 512,
+		.trp_ab            = 6,
+		.tref              = 1542,
+		.trfc              = 64,
+		.tref_int          = 5,
+		.tpdex             = 3,
+		.txpdll            = 10,
+		.txsnr             = 68,
+		.txsr              = 506,
+		.cksrx             = 5,
+		.cksre             = 5,
+		.freq_chg_en       = 1,
+		.zqcl              = 256,
+		.zqinit            = 512,
+		.zqcs              = 64,
+		.ref_per_zq        = 64,
+		.zqcs_rotate       = 1,
+		.aprebit           = 10,
+		.cmd_age_cnt       = 255,
+		.age_cnt           = 255,
+		.q_fullness        = 0,
+		.odt_rd_mapcs0     = 1,
+		.odt_wr_mapcs0     = 1,
+		.wlmrd             = 40,
+		.wldqsen           = 25,
+	};
 
 	ddrmc_ctrl_init_ddr3(&pcm052_ddr_timings, pcm052_cr_settings,
 			     pcm052_phy_settings, 1, 2);
 
+#elif defined(CONFIG_TARGET_BK4R1)
+
+	static const struct ddr3_jedec_timings pcm052_ddr_timings = {
+		.tinit             = 5,
+		.trst_pwron        = 80000,
+		.cke_inactive      = 200000,
+		.wrlat             = 5,
+		.caslat_lin        = 12,
+		.trc               = 6,
+		.trrd              = 4,
+		.tccd              = 4,
+		.tbst_int_interval = 0,
+		.tfaw              = 16,
+		.trp               = 6,
+		.twtr              = 4,
+		.tras_min          = 15,
+		.tmrd              = 4,
+		.trtp              = 4,
+		.tras_max          = 28080,
+		.tmod              = 12,
+		.tckesr            = 4,
+		.tcke              = 3,
+		.trcd_int          = 6,
+		.tras_lockout      = 1,
+		.tdal              = 12,
+		.bstlen            = 3,
+		.tdll              = 512,
+		.trp_ab            = 6,
+		.tref              = 3120,
+		.trfc              = 104,
+		.tref_int          = 0,
+		.tpdex             = 3,
+		.txpdll            = 10,
+		.txsnr             = 108,
+		.txsr              = 512,
+		.cksrx             = 5,
+		.cksre             = 5,
+		.freq_chg_en       = 1,
+		.zqcl              = 256,
+		.zqinit            = 512,
+		.zqcs              = 64,
+		.ref_per_zq        = 64,
+		.zqcs_rotate       = 1,
+		.aprebit           = 10,
+		.cmd_age_cnt       = 255,
+		.age_cnt           = 255,
+		.q_fullness        = 0,
+		.odt_rd_mapcs0     = 1,
+		.odt_wr_mapcs0     = 1,
+		.wlmrd             = 40,
+		.wldqsen           = 25,
+	};
+
+	ddrmc_ctrl_init_ddr3(&pcm052_ddr_timings, pcm052_cr_settings,
+			     pcm052_phy_settings, 1, 1);
+
+#else /* Unknown PCM052 variant */
+
+#error DDR characteristics undefined for this target. Please define them.
+
+#endif
+
+	imx_iomux_v3_setup_multiple_pads(pcm052_pads, ARRAY_SIZE(pcm052_pads));
+
 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
 
 	return 0;
diff --git a/configs/bk4r1_defconfig b/configs/bk4r1_defconfig
new file mode 100644
index 0000000..3994459
--- /dev/null
+++ b/configs/bk4r1_defconfig
@@ -0,0 +1,32 @@
+CONFIG_ARM=y
+CONFIG_TARGET_BK4R1=y
+CONFIG_DEFAULT_DEVICE_TREE="bk4r1"
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/phytec/pcm052/imximage.cfg,ENV_IS_IN_NAND"
+CONFIG_BOOTDELAY=3
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_DM_GPIO=y
+CONFIG_VYBRID_GPIO=y
+CONFIG_NAND_VF610_NFC=y
+CONFIG_SYS_NAND_BUSWIDTH_16BIT=y
+CONFIG_DM_SERIAL=y
+CONFIG_FSL_LPUART=y
+CONFIG_DM_SPI=y
+CONFIG_FSL_QSPI=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_MTD=y
+CONFIG_CMD_DM=y
diff --git a/include/configs/bk4r1.h b/include/configs/bk4r1.h
new file mode 100644
index 0000000..5861eeb
--- /dev/null
+++ b/include/configs/bk4r1.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2016 3ADEV <http://3adev.com>
+ * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr>
+ *
+ * Configuration settings for the phytec PCM-052 SoM-based BK4R1.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/* Define the BK4r1-specific env commands */
+#define PCM052_EXTRA_ENV_SETTINGS \
+	"set_gpio103=mw 0x400ff0c4 0x0080; mw 0x4004819C 0x000011bf\0" \
+	"set_gpio122=mw 0x400481e8 0x0282; mw 0x400ff0c4 0x04000000\0"
+
+/* BK4r1 boot command sets GPIO103/PTC30 to force USB hub out of reset*/
+#define PCM052_BOOTCOMMAND "run set_gpio103; sf probe; "
+
+/* BK4r1 net init sets GPIO122/PTE17 to enable Ethernet */
+#define PCM052_NET_INIT "run set_gpio122; "
+
+/* add NOR to MTD env */
+#define MTDIDS_DEFAULT			"nand0=NAND,nor0=NOR"
+#define MTDPARTS_DEFAULT		"mtdparts=NAND:640k(bootloader)"\
+					",128k(env1)"\
+					",128k(env2)"\
+					",128k(dtb)"\
+					",6144k(kernel)"\
+					",-(root);"\
+					"NOR:-(nor)"
+
+/* now include standard PCM052 config */
+
+#include "configs/pcm052.h"
diff --git a/include/configs/pcm052.h b/include/configs/pcm052.h
index b3e5054..75848d3 100644
--- a/include/configs/pcm052.h
+++ b/include/configs/pcm052.h
@@ -53,7 +53,12 @@
 #define CONFIG_CMD_MTDPARTS
 #define CONFIG_MTD_PARTITIONS
 #define CONFIG_MTD_DEVICE
+
+#ifndef MTDIDS_DEFAULT
 #define MTDIDS_DEFAULT			"nand0=NAND"
+#endif
+
+#ifndef MTDPARTS_DEFAULT
 #define MTDPARTS_DEFAULT		"mtdparts=NAND:640k(bootloader)"\
 					",128k(env1)"\
 					",128k(env2)"\
@@ -62,6 +67,8 @@
 					",-(root)"
 #endif
 
+#endif
+
 #define CONFIG_MMC
 #define CONFIG_FSL_ESDHC
 #define CONFIG_SYS_FSL_ESDHC_ADDR	0
@@ -86,7 +93,6 @@
 /* QSPI Configs*/
 
 #ifdef CONFIG_FSL_QSPI
-#define CONFIG_SPI_FLASH
 #define FSL_QSPI_FLASH_SIZE		(1 << 24)
 #define FSL_QSPI_FLASH_NUM		2
 #define CONFIG_SYS_FSL_QSPI_LE
@@ -116,8 +122,31 @@
 #define CONFIG_SYS_TEXT_BASE		0x3f408000
 #define CONFIG_BOARD_SIZE_LIMIT		524288
 
-#define CONFIG_BOOTCOMMAND              "run bootcmd_sd"
+/* if no target-specific extra environment settings were defined by the
+   target, define an empty one */
+#ifndef PCM052_EXTRA_ENV_SETTINGS
+#define PCM052_EXTRA_ENV_SETTINGS
+#endif
+
+/* if no target-specific boot command was defined by the target,
+   define an empty one */
+#ifndef PCM052_BOOTCOMMAND
+#define PCM052_BOOTCOMMAND
+#endif
+
+/* if no target-specific extra environment settings were defined by the
+   target, define an empty one */
+#ifndef PCM052_NET_INIT
+#define PCM052_NET_INIT
+#endif
+
+/* boot command, including the target-defined one if any */
+#define CONFIG_BOOTCOMMAND	PCM052_BOOTCOMMAND "run bootcmd_nand"
+
+/* Extra env settings (including the target-defined ones if any) */
 #define CONFIG_EXTRA_ENV_SETTINGS \
+	PCM052_EXTRA_ENV_SETTINGS \
+	"autoload=no\0" \
 	"fdt_high=0xffffffff\0" \
 	"initrd_high=0xffffffff\0" \
 	"blimg_file=u-boot.vyb\0" \
@@ -164,7 +193,8 @@
 		"nand read ${kernel_addr} kernel; " \
 		"nand read ${ram_addr} root; " \
 		"bootz ${kernel_addr} ${ram_addr} ${fdt_addr}\0" \
-	"update_bootloader_from_tftp=if tftp ${blimg_addr} "\
+	"update_bootloader_from_tftp=" PCM052_NET_INIT \
+		"if tftp ${blimg_addr} "\
 		"${tftpdir}${blimg_file}; then " \
 		"mtdparts default; " \
 		"nand erase.part bootloader; " \
@@ -177,7 +207,8 @@
 		"if fatload mmc 0:2 ${fdt_addr} ${fdt_file}; then " \
 		"nand erase.part dtb; " \
 		"nand write ${fdt_addr} dtb ${filesize}; fi\0" \
-	"update_kernel_from_tftp=if tftp ${fdt_addr} ${tftpdir}${fdt_file}; " \
+	"update_kernel_from_tftp=" PCM052_NET_INIT \
+		"if tftp ${fdt_addr} ${tftpdir}${fdt_file}; " \
 		"then setenv fdtsize ${filesize}; " \
 		"if tftp ${kernel_addr} ${tftpdir}${kernel_file}; then " \
 		"mtdparts default; " \
@@ -185,13 +216,15 @@
 		"nand write ${fdt_addr} dtb ${fdtsize}; " \
 		"nand erase.part kernel; " \
 		"nand write ${kernel_addr} kernel ${filesize}; fi; fi\0" \
-	"update_rootfs_from_tftp=if tftp ${sys_addr} ${tftpdir}${filesys}; " \
+	"update_rootfs_from_tftp=" PCM052_NET_INIT \
+		"if tftp ${sys_addr} ${tftpdir}${filesys}; " \
 		"then mtdparts default; " \
 		"nand erase.part root; " \
 		"ubi part root; " \
 		"ubi create rootfs; " \
 		"ubi write ${sys_addr} rootfs ${filesize}; fi\0" \
-	"update_ramdisk_from_tftp=if tftp ${ram_addr} ${tftpdir}${ram_file}; " \
+	"update_ramdisk_from_tftp=" PCM052_NET_INIT \
+		"if tftp ${ram_addr} ${tftpdir}${ram_file}; " \
 		"then mtdparts default; " \
 		"nand erase.part root; " \
 		"nand write ${ram_addr} root ${filesize}; fi\0"
