ARM: mx5: add support for USB armory board

Add support for Inverse Path USB armory board, an open source
flash-drive sized computer based on Freescale i.MX53 SoC.

http://inversepath.com/usbarmory

Signed-off-by: Andrej Rosano <andrej@inversepath.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Chris Kuethe <chris.kuethe@gmail.com>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Vagrant Cascadian <vagrant@debian.org>
Tested-By: Vagrant Cascadian <vagrant@debian.org>
Tested-by: Chris Kuethe <chris.kuethe@gmail.com>

8 files changed, 670 insertions, 0 deletions

diff --git a/arch/arm/cpu/armv7/mx5/Kconfig b/arch/arm/cpu/armv7/mx5/Kconfig
index 960a718..2d6c0ce 100644
--- a/arch/arm/cpu/armv7/mx5/Kconfig
+++ b/arch/arm/cpu/armv7/mx5/Kconfig
@@ -10,7 +10,18 @@ config MX51
 config MX53
 	bool
 
+choice
+	prompt "MX5 board select"
+
+config TARGET_USBARMORY
+	bool "Support USB armory"
+	select CPU_V7
+
+endchoice
+
 config SYS_SOC
 	default "mx5"
 
+source "board/inversepath/usbarmory/Kconfig"
+
 endif
diff --git a/board/inversepath/usbarmory/Kconfig b/board/inversepath/usbarmory/Kconfig
new file mode 100644
index 0000000..c2cd544
--- /dev/null
+++ b/board/inversepath/usbarmory/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_USBARMORY
+
+config IMX_CONFIG
+	default "board/inversepath/usbarmory/imximage.cfg"
+
+config SYS_BOARD
+	default "usbarmory"
+
+config SYS_VENDOR
+	default "inversepath"
+
+config SYS_CONFIG_NAME
+	default "usbarmory"
+
+endif
diff --git a/board/inversepath/usbarmory/MAINTAINERS b/board/inversepath/usbarmory/MAINTAINERS
new file mode 100644
index 0000000..71a3dd4
--- /dev/null
+++ b/board/inversepath/usbarmory/MAINTAINERS
@@ -0,0 +1,6 @@
+USBARMORY BOARD
+M:	Andrej Rosano <andrej@inversepath.com>
+S:	Maintained
+F:	board/inversepath/usbarmory/
+F:	include/configs/usbarmory.h
+F:	configs/usbarmory_defconfig
diff --git a/board/inversepath/usbarmory/Makefile b/board/inversepath/usbarmory/Makefile
new file mode 100644
index 0000000..9b8bd80
--- /dev/null
+++ b/board/inversepath/usbarmory/Makefile
@@ -0,0 +1,10 @@
+#
+# USB armory MkI board Makefile
+# http://inversepath.com/usbarmory
+#
+# Copyright (C) 2015, Inverse Path
+# Andrej Rosano <andrej@inversepath.com>
+#
+# SPDX-License-Identifier:|____GPL-2.0+
+
+obj-y	:= usbarmory.o
diff --git a/board/inversepath/usbarmory/imximage.cfg b/board/inversepath/usbarmory/imximage.cfg
new file mode 100644
index 0000000..392d2f9
--- /dev/null
+++ b/board/inversepath/usbarmory/imximage.cfg
@@ -0,0 +1,82 @@
+/*
+ * USB armory MkI board imximage configuration
+ * http://inversepath.com/usbarmory
+ *
+ * Copyright (C) 2015, Inverse Path
+ * Andrej Rosano <andrej@inversepath.com>
+ *
+ * SPDX-License-Identifier:|____GPL-2.0+
+ */
+
+IMAGE_VERSION 2
+BOOT_FROM sd
+
+
+/* IOMUX */
+
+DATA 4 0x53fa86f4 0x00000000 /* GRP_DDRMODE_CTL */
+DATA 4 0x53fa8714 0x00000000 /* GRP_DDRMODE     */
+DATA 4 0x53fa86fc 0x00000000 /* GRP_DDRPKE      */
+DATA 4 0x53fa8724 0x04000000 /* GRP_DDR_TYPE    */
+
+DATA 4 0x53fa872c 0x00300000 /* GRP_B3DS   */
+DATA 4 0x53fa8554 0x00300000 /* DRAM_DQM3  */
+DATA 4 0x53fa8558 0x00300040 /* DRAM_SDQS3 */
+
+DATA 4 0x53fa8728 0x00300000 /* GRP_B2DS   */
+DATA 4 0x53fa8560 0x00300000 /* DRAM_DQM2  */
+DATA 4 0x53fa8568 0x00300040 /* DRAM_SDQS2 */
+
+DATA 4 0x53fa871c 0x00300000 /* GRP_B1DS   */
+DATA 4 0x53fa8594 0x00300000 /* DRAM_DQM1  */
+DATA 4 0x53fa8590 0x00300040 /* DRAM_SDQS1 */
+
+DATA 4 0x53fa8718 0x00300000 /* GRP_B0DS   */
+DATA 4 0x53fa8584 0x00300000 /* DRAM_DQM0  */
+DATA 4 0x53fa857c 0x00300040 /* DRAM_SDQS0 */
+
+DATA 4 0x53fa8578 0x00300000 /* DRAM_SDCLK0 */
+DATA 4 0x53fa8570 0x00300000 /* DRAM_SDCLK1 */
+
+DATA 4 0x53fa8574 0x00300000 /* DRAM_CAS  */
+DATA 4 0x53fa8588 0x00300000 /* DRAM_RAS  */
+DATA 4 0x53fa86f0 0x00300000 /* GRP_ADDS  */
+DATA 4 0x53fa8720 0x00300000 /* GRP_CTLDS */
+
+DATA 4 0x53fa8564 0x00300040 /* DRAM_SDODT1 */
+DATA 4 0x53fa8580 0x00300040 /* DRAM_SDODT0 */
+
+
+/* ESDCTL */
+
+DATA 4 0x63fd9000 0x84180000 /* ESDCTL_ESDCTL  */
+
+DATA 4 0x63fd9004 0x0002002d /* ESDCTL_ESDPTC  */
+DATA 4 0x63fd9008 0x12273030 /* ESDCTL_ESDOTC  */
+DATA 4 0x63fd900c 0x9f5152e3 /* ESDCTL_ESDCFG0 */
+DATA 4 0x63fd9010 0xb68e8a63 /* ESDCTL_ESDCFG1 */
+DATA 4 0x63fd9014 0x01ff00db /* ESDCTL_ESDCFG2 */
+DATA 4 0x63fd9018 0x00011740 /* ESDCTL_ESDMISC */
+
+DATA 4 0x63fd901c 0x00008032 /* ESDCTL_ESDSCR  */
+DATA 4 0x63fd901c 0x00008033
+DATA 4 0x63fd901c 0x00028031
+DATA 4 0x63fd901c 0x052080b0
+DATA 4 0x63fd901c 0x04008040
+DATA 4 0x63fd901c 0x0000803a
+DATA 4 0x63fd901c 0x0000803b
+DATA 4 0x63fd901c 0x00028039
+DATA 4 0x63fd901c 0x05208138
+DATA 4 0x63fd901c 0x04008048
+DATA 4 0x63fd901c 0x00000000
+
+DATA 4 0x63fd9020 0x00005800 /* ESDCTL_ESDREF   */
+DATA 4 0x63fd902c 0x000026d2 /* ESDCTL_ESDEWD   */
+DATA 4 0x63fd9030 0x009f0e21 /* ESDCTL_ESDOR    */
+DATA 4 0x63fd9040 0x05380003 /* ESDCTL_ZQHWCTRL */
+DATA 4 0x63fd9058 0x00022227 /* ESDCTL_ODTCTRL  */
+
+DATA 4 0x63fd907c 0x01370138 /* ESDCTL_DGCTRL0  */
+DATA 4 0x63fd9080 0x013b013c /* ESDCTL_DGCTRL1  */
+DATA 4 0x63fd9088 0x35343535 /* ESDCTL_RDDLCTL  */
+DATA 4 0x63fd9090 0x4d444c44 /* ESDCTL_WRDLCTL  */
diff --git a/board/inversepath/usbarmory/usbarmory.c b/board/inversepath/usbarmory/usbarmory.c
new file mode 100644
index 0000000..a809039
--- /dev/null
+++ b/board/inversepath/usbarmory/usbarmory.c
@@ -0,0 +1,417 @@
+/*
+ * USB armory MkI board initialization
+ * http://inversepath.com/usbarmory
+ *
+ * Copyright (C) 2015, Inverse Path
+ * Andrej Rosano <andrej@inversepath.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/iomux-mx53.h>
+#include <asm/errno.h>
+#include <i2c.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <asm/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 get_board_rev(void)
+{
+	struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
+	struct fuse_bank *bank = &iim->bank[0];
+	struct fuse_bank0_regs *fuse =
+		(struct fuse_bank0_regs *)bank->fuse_regs;
+
+	int rev = readl(&fuse->gp[6]);
+
+	return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
+}
+
+struct fsl_esdhc_cfg esdhc_cfg[1] = {
+	{MMC_SDHC1_BASE_ADDR}
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+	/* CD not present */
+	return 1;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	int ret = 0;
+
+	esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+	ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
+
+	return ret;
+}
+
+#define SD_CMD_PAD_CTRL	(PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
+			PAD_CTL_PUS_100K_UP)
+#define I2C_PAD_CTRL	(PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
+			PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
+#define PAD_CTRL_UP	PAD_CTL_PUS_100K_UP
+#define PAD_CTRL_GND	PAD_CTL_PUS_100K_DOWN
+
+static void setup_iomux_sd(void)
+{
+	static const iomux_v3_cfg_t pads[] = {
+		NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
+		NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, MX53_SDHC_PAD_CTRL),
+		NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0,
+			     MX53_SDHC_PAD_CTRL),
+		NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1,
+			     MX53_SDHC_PAD_CTRL),
+		NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2,
+			     MX53_SDHC_PAD_CTRL),
+		NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3,
+			     MX53_SDHC_PAD_CTRL),
+		MX53_PAD_EIM_DA13__GPIO3_13,
+	};
+
+	imx_iomux_v3_setup_multiple_pads(pads, ARRAY_SIZE(pads));
+}
+
+static void setup_iomux_led(void)
+{
+	static const iomux_v3_cfg_t pads[] = {
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT6__GPIO4_27,
+			     PAD_CTL_PUS_100K_DOWN),
+	};
+
+	imx_iomux_v3_setup_multiple_pads(pads, ARRAY_SIZE(pads));
+}
+
+static void setup_iomux_i2c(void)
+{
+	static const iomux_v3_cfg_t pads[] = {
+		NEW_PAD_CTRL(MX53_PAD_EIM_D28__I2C1_SDA, I2C_PAD_CTRL),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D21__I2C1_SCL, I2C_PAD_CTRL),
+	};
+
+	imx_iomux_v3_setup_multiple_pads(pads, ARRAY_SIZE(pads));
+}
+
+static void setup_iomux_pinheader(void)
+{
+	static const iomux_v3_cfg_t pads[] = {
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__GPIO5_26, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__GPIO5_27, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
+			     MX53_UART_PAD_CTRL),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX,
+			     MX53_UART_PAD_CTRL),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT12__GPIO5_30, PAD_CTRL_UP),
+	};
+
+	imx_iomux_v3_setup_multiple_pads(pads, ARRAY_SIZE(pads));
+}
+
+static void setup_iomux_unused_boot(void)
+{
+	static const iomux_v3_cfg_t pads[] = {
+		/* Pulled-up pads */
+		NEW_PAD_CTRL(MX53_PAD_EIM_A21__GPIO2_17, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA0__GPIO3_0, PAD_CTRL_UP),
+
+		/* Grounded pads */
+		NEW_PAD_CTRL(MX53_PAD_EIM_LBA__GPIO2_27, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_EB0__GPIO2_28, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_EB1__GPIO2_29, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_A16__GPIO2_22, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_A17__GPIO2_21, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_A18__GPIO2_20, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_A19__GPIO2_19, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_A20__GPIO2_18, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_A22__GPIO2_16, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA1__GPIO3_1, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA2__GPIO3_2, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA3__GPIO3_3, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA4__GPIO3_4, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA5__GPIO3_5, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA6__GPIO3_6, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA7__GPIO3_7, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA8__GPIO3_8, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA9__GPIO3_9, PAD_CTRL_GND),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA10__GPIO3_10, PAD_CTRL_GND),
+	};
+
+	imx_iomux_v3_setup_multiple_pads(pads, ARRAY_SIZE(pads));
+}
+
+static void setup_iomux_unused_nc(void)
+{
+	/* Out of reset values define the pin values before the
+	   ROM is executed so we force all the not connected pins
+	   to a known state */
+	static const iomux_v3_cfg_t pads[] = {
+		/* CONTROL PINS block */
+		NEW_PAD_CTRL(MX53_PAD_GPIO_0__GPIO1_0, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_1__GPIO1_1, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_2__GPIO1_2, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_3__GPIO1_3, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_4__GPIO1_4, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_5__GPIO1_5, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_6__GPIO1_6, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_7__GPIO1_7, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_8__GPIO1_8, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_9__GPIO1_9, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_10__GPIO4_0, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_11__GPIO4_1, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_12__GPIO4_2, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_13__GPIO4_3, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_14__GPIO4_4, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_16__GPIO7_11, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_17__GPIO7_12, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_18__GPIO7_13, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_GPIO_19__GPIO4_5, PAD_CTRL_UP),
+
+		/* EIM block */
+		NEW_PAD_CTRL(MX53_PAD_EIM_OE__GPIO2_25, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_WAIT__GPIO5_0, PAD_CTRL_UP),
+		/* EIM_LBA: setup_iomux_unused_boot() */
+		NEW_PAD_CTRL(MX53_PAD_EIM_RW__GPIO2_26, PAD_CTRL_UP),
+		/* EIM_EB0: setup_iomux_unused_boot() */
+		/* EIM_EB1: setup_iomux_unused_boot() */
+		NEW_PAD_CTRL(MX53_PAD_EIM_EB2__GPIO2_30, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_EB3__GPIO2_31, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_CS0__GPIO2_23, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_CS1__GPIO2_24, PAD_CTRL_UP),
+		/* EIM_A16: setup_iomux_unused_boot() */
+		/* EIM_A17: setup_iomux_unused_boot() */
+		/* EIM_A18: setup_iomux_unused_boot() */
+		/* EIM_A19: setup_iomux_unused_boot() */
+		/* EIM_A20: setup_iomux_unused_boot() */
+		/* EIM_A21: setup_iomux_unused_boot() */
+		/* EIM_A22: setup_iomux_unused_boot() */
+		NEW_PAD_CTRL(MX53_PAD_EIM_A23__GPIO6_6, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_A24__GPIO5_4, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_A25__GPIO5_2, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D16__GPIO3_16, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D17__GPIO3_17, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D18__GPIO3_18, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D19__GPIO3_19, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D20__GPIO3_20, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D21__GPIO3_21, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D22__GPIO3_22, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D23__GPIO3_23, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D24__GPIO3_24, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D25__GPIO3_25, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D26__GPIO3_26, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D27__GPIO3_27, PAD_CTRL_UP),
+		/* EIM_D28: setup_iomux_unused_boot() */
+		/* EIM_D29: setup_iomux_unused_boot() */
+		NEW_PAD_CTRL(MX53_PAD_EIM_D30__GPIO3_30, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_D31__GPIO3_31, PAD_CTRL_UP),
+		/* EIM_DA0: setup_iomux_unused_boot() */
+		/* EIM_DA1: setup_iomux_unused_boot() */
+		/* EIM_DA2: setup_iomux_unused_boot() */
+		/* EIM_DA3: setup_iomux_unused_boot() */
+		/* EIM_DA4: setup_iomux_unused_boot() */
+		/* EIM_DA5: setup_iomux_unused_boot() */
+		/* EIM_DA6: setup_iomux_unused_boot() */
+		/* EIM_DA7: setup_iomux_unused_boot() */
+		/* EIM_DA8: setup_iomux_unused_boot() */
+		/* EIM_DA9: setup_iomux_unused_boot() */
+		/* EIM_DA10: setup_iomux_unused_boot() */
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA11__GPIO3_11, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA12__GPIO3_12, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA13__GPIO3_13, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA14__GPIO3_14, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_EIM_DA15__GPIO3_15, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_NANDF_WE_B__GPIO6_12, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_NANDF_RE_B__GPIO6_13, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_NANDF_ALE__GPIO6_8, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_NANDF_CLE__GPIO6_7, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_NANDF_WP_B__GPIO6_9, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_NANDF_RB0__GPIO6_10, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_NANDF_CS0__GPIO6_11, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_NANDF_CS1__GPIO6_14, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_NANDF_CS2__GPIO6_15, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_NANDF_CS3__GPIO6_16, PAD_CTRL_UP),
+
+		/* MISC block */
+		NEW_PAD_CTRL(MX53_PAD_FEC_MDC__GPIO1_31, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__GPIO1_22, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__GPIO1_25, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__GPIO1_23, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__GPIO1_24, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__GPIO1_28, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__GPIO1_27, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__GPIO1_26, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__GPIO1_30, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__GPIO1_29, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_KEY_COL0__GPIO4_6, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_KEY_ROW0__GPIO4_7, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_KEY_COL1__GPIO4_8, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_KEY_ROW1__GPIO4_9, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_KEY_COL2__GPIO4_10, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_KEY_ROW2__GPIO4_11, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_KEY_COL3__GPIO4_12, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_KEY_ROW3__GPIO4_13, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_KEY_COL4__GPIO4_14, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_KEY_ROW4__GPIO4_15, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_SD2_CMD__GPIO1_11, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_SD2_CLK__GPIO1_10, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_SD2_DATA0__GPIO1_15, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_SD2_DATA1__GPIO1_14, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_SD2_DATA2__GPIO1_13, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_SD2_DATA3__GPIO1_12, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_BUFFER_EN__GPIO7_1, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_CS_0__GPIO7_9, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_CS_1__GPIO7_10, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DA_0__GPIO7_6, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DA_1__GPIO7_7, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DA_2__GPIO7_8, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__GPIO2_0, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__GPIO2_1, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__GPIO2_2, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__GPIO2_3, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA4__GPIO2_4, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA5__GPIO2_5, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA6__GPIO2_6, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA7__GPIO2_7, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA8__GPIO2_8, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA9__GPIO2_9, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA10__GPIO2_10, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA11__GPIO2_11, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA12__GPIO2_12, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA13__GPIO2_13, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA14__GPIO2_14, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DATA15__GPIO2_15, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DIOR__GPIO7_3, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DIOW__GPIO6_17, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DMACK__GPIO6_18, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_DMARQ__GPIO7_0, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_INTRQ__GPIO7_2, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_IORDY__GPIO7_5, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_PATA_RESET_B__GPIO7_4, PAD_CTRL_UP),
+
+		/* IPU block */
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT4__GPIO5_22, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT5__GPIO5_23, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT6__GPIO5_24, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT7__GPIO5_25, PAD_CTRL_UP),
+		/* CSI0_DAT8: setup_iomux_pinheader() */
+		/* CSI0_DAT9: setup_iomux_pinheader() */
+		/* CSI0_DAT10: setup_iomux_pinheader() */
+		/* CSI0_DAT11: setup_iomux_pinheader() */
+		/* CSI0_DAT12: setup_iomux_pinheader() */
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT13__GPIO5_31, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT14__GPIO6_0, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT15__GPIO6_1, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT16__GPIO6_2, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT17__GPIO6_3, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT18__GPIO6_4, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DAT19__GPIO6_5, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_VSYNC__GPIO5_21, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_PIXCLK__GPIO5_18, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_MCLK__GPIO5_19, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_CSI0_DATA_EN__GPIO5_20, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DI0_PIN2__GPIO4_18, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DI0_PIN3__GPIO4_19, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DI0_PIN4__GPIO4_20, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DI0_PIN15__GPIO4_17, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT0__GPIO4_21, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT1__GPIO4_22, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT2__GPIO4_23, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT3__GPIO4_24, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT4__GPIO4_25, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT5__GPIO4_26, PAD_CTRL_UP),
+		/* DISP0_DAT6: setup_iomux_led() */
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT7__GPIO4_28, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT8__GPIO4_29, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT9__GPIO4_30, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT10__GPIO4_31, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT11__GPIO5_5, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT12__GPIO5_6, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT13__GPIO5_7, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT14__GPIO5_8, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT15__GPIO5_9, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT16__GPIO5_10, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT17__GPIO5_11, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT18__GPIO5_12, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT19__GPIO5_13, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT20__GPIO5_14, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT21__GPIO5_15, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT22__GPIO5_16, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DISP0_DAT23__GPIO5_17, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_DI0_DISP_CLK__GPIO4_16, PAD_CTRL_UP),
+
+		/* LVDS block */
+		NEW_PAD_CTRL(MX53_PAD_LVDS0_TX0_P__GPIO7_30, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_LVDS0_TX1_P__GPIO7_28, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_LVDS0_TX2_P__GPIO7_26, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_LVDS0_TX3_P__GPIO7_22, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_LVDS1_TX0_P__GPIO6_30, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_LVDS1_TX1_P__GPIO6_28, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_LVDS1_TX2_P__GPIO6_24, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_LVDS1_TX3_P__GPIO6_22, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_LVDS0_CLK_P__GPIO7_24, PAD_CTRL_UP),
+		NEW_PAD_CTRL(MX53_PAD_LVDS1_CLK_P__GPIO6_26, PAD_CTRL_UP),
+	};
+
+	imx_iomux_v3_setup_multiple_pads(pads, ARRAY_SIZE(pads));
+}
+
+#define CPU_CLOCK 800
+
+static void set_clock(void)
+{
+	u32 ref_clk = MXC_HCLK;
+	const uint32_t cpuclk = CPU_CLOCK;
+	const uint32_t dramclk = 400;
+	int ret;
+
+	ret = mxc_set_clock(ref_clk, cpuclk, MXC_ARM_CLK);
+	if (ret)
+		printf("CPU:   Switch CPU clock to %dMHZ failed\n", cpuclk);
+
+	ret = mxc_set_clock(ref_clk, dramclk, MXC_PERIPH_CLK);
+	if (ret)
+		printf("CPU:   Switch peripheral clock to %dMHz failed\n",
+		       dramclk);
+
+	ret = mxc_set_clock(ref_clk, dramclk, MXC_DDR_CLK);
+	if (ret)
+		printf("CPU:   Switch DDR clock to %dMHz failed\n", dramclk);
+}
+
+int board_early_init_f(void)
+{
+	setup_iomux_unused_nc();
+	setup_iomux_unused_boot();
+	setup_iomux_sd();
+	setup_iomux_led();
+	setup_iomux_pinheader();
+	set_clock();
+	return 0;
+}
+
+int board_init(void)
+{
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+	setup_iomux_i2c();
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, 1 << 30);
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: Inverse Path USB armory MkI\n");
+	return 0;
+}
diff --git a/configs/usbarmory_defconfig b/configs/usbarmory_defconfig
new file mode 100644
index 0000000..10bdd9e
--- /dev/null
+++ b/configs/usbarmory_defconfig
@@ -0,0 +1,3 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MX5=y
+CONFIG_TARGET_USBARMORY=y
diff --git a/include/configs/usbarmory.h b/include/configs/usbarmory.h
new file mode 100644
index 0000000..f29ab2d
--- /dev/null
+++ b/include/configs/usbarmory.h
@@ -0,0 +1,126 @@
+/*
+ * USB armory MkI board configuration settings
+ * http://inversepath.com/usbarmory
+ *
+ * Copyright (C) 2015, Inverse Path
+ * Andrej Rosano <andrej@inversepath.com>
+ *
+ * SPDX-License-Identifier:|____GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_MX53
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_OF_LIBFDT
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_MXC_GPIO
+
+#include <asm/arch/imx-regs.h>
+#include <config_cmd_default.h>
+
+#include <config_distro_defaults.h>
+
+/* U-Boot commands */
+#define CONFIG_CMD_MEMTEST
+#undef CONFIG_CMD_IMLS
+
+/* U-Boot environment */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_ENV_OFFSET	(6 * 64 * 1024)
+#define CONFIG_ENV_SIZE		(8 * 1024)
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV	0
+
+/* U-Boot general configurations */
+#define CONFIG_SYS_CBSIZE	512
+#define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
+#define CONFIG_SYS_MAXARGS	16
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
+
+/* UART */
+#define CONFIG_MXC_UART
+#define CONFIG_MXC_UART_BASE	UART1_BASE
+#define CONFIG_CONS_INDEX	1
+#define CONFIG_BAUDRATE		115200
+
+/* SD/MMC */
+#define CONFIG_CMD_MMC
+#define CONFIG_FSL_ESDHC
+#define CONFIG_SYS_FSL_ESDHC_ADDR	0
+#define CONFIG_SYS_FSL_ESDHC_NUM	1
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+
+/* USB */
+#define CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_MX5
+#define CONFIG_USB_STORAGE
+#define CONFIG_MXC_USB_PORT	1
+#define CONFIG_MXC_USB_PORTSC	(PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CONFIG_MXC_USB_FLAGS	0
+
+/* I2C */
+#define CONFIG_CMD_I2C
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_MXC
+
+/* Fuse */
+#define CONFIG_CMD_FUSE
+#define CONFIG_FSL_IIM
+
+/* Linux boot */
+#define CONFIG_LOADADDR		0x72000000
+#define CONFIG_SYS_TEXT_BASE	0x77800000
+#define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
+#define CONFIG_HOSTNAME		usbarmory
+#define CONFIG_BOOTCOMMAND						\
+	"run distro_bootcmd; "						\
+	"setenv bootargs console=${console} ${bootargs_default}; "	\
+	"ext2load mmc 0:1 ${kernel_addr_r} /boot/uImage; "		\
+	"ext2load mmc 0:1 ${fdt_addr_r} /boot/${fdtfile}; "		\
+	"bootm ${kernel_addr_r} - ${fdt_addr_r}"
+
+#define BOOT_TARGET_DEVICES(func) func(MMC, mmc, 0)
+
+#include <config_distro_bootcmd.h>
+
+#define MEM_LAYOUT_ENV_SETTINGS			\
+	"kernel_addr_r=0x70800000\0"		\
+	"fdt_addr_r=0x71000000\0"		\
+	"scriptaddr=0x70800000\0"		\
+	"pxefile_addr_r=0x70800000\0"		\
+	"ramdisk_addr_r=0x73000000\0"
+
+#define CONFIG_EXTRA_ENV_SETTINGS				\
+	MEM_LAYOUT_ENV_SETTINGS					\
+	"bootargs_default=root=/dev/mmcblk0p1 rootwait rw\0"	\
+	"fdtfile=imx53-usbarmory.dtb\0"				\
+	"console=ttymxc0,115200\0"				\
+	BOOTENV
+
+/* Physical Memory Map */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM			CSD0_BASE_ADDR
+#define PHYS_SDRAM_SIZE			(gd->ram_size)
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
+#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+#define CONFIG_SYS_MEMTEST_START	0x70000000
+#define CONFIG_SYS_MEMTEST_END		0x90000000
+
+#define CONFIG_SYS_MALLOC_LEN		(10 * 1024 * 1024)
+
+#endif				/* __CONFIG_H */