arm: imx: Add support for GE Bx50v3 boards

Add support for GE B450v3, B650v3 and B850v3 boards. The boards
are based on Advantech BA16 module which has a i.MX6D processor.
The boards support:
 - FEC Ethernet
 - USB Ports
 - SDHC and MMC boot
 - SPI NOR
 - LVDS and HDMI display

Basic information about the module:
 - Module manufacturer: Advantech
 - CPU: Freescale ARM Cortex-A9 i.MX6D
 - SPECS:
     Up to 2GB Onboard DDR3 Memory;
     Up to 16GB Onboard eMMC NAND Flash
     Supports OpenGL ES 2.0 and OpenVG 1.1
     HDMI, 24-bit LVDS
     1x UART, 2x I2C, 8x GPIO,
     4x Host USB 2.0 port, 1x USB OTG port,
     1x micro SD (SDHC),1x SDIO, 1x SATA II,
     1x 10/100/1000 Mbps Ethernet, 1x PCIe X1 Gen2

Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/board/ge/bx50v3/bx50v3.cfg b/board/ge/bx50v3/bx50v3.cfg
new file mode 100644
index 0000000..de88769
--- /dev/null
+++ b/board/ge/bx50v3/bx50v3.cfg
@@ -0,0 +1,151 @@
+/*
+ *
+ * Copyright 2015 Timesys Corporation.
+ * Copyright 2015 General Electric Company
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ *
+ * Refer doc/README.imximage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+
+IMAGE_VERSION 2
+BOOT_FROM sd
+
+#define __ASSEMBLY__
+#include <config.h>
+#include "asm/arch/mx6-ddr.h"
+#include "asm/arch/iomux.h"
+#include "asm/arch/crm_regs.h"
+
+/* DDR IO */
+DATA 4, MX6_IOM_GRP_DDR_TYPE,	0x000c0000
+DATA 4, MX6_IOM_GRP_DDRPKE,	0x00000000
+DATA 4, MX6_IOM_DRAM_SDCLK_0,	0x00000030
+DATA 4, MX6_IOM_DRAM_SDCLK_1,	0x00000030
+DATA 4, MX6_IOM_DRAM_CAS,	0x00000030
+DATA 4, MX6_IOM_DRAM_RAS,	0x00000030
+DATA 4, MX6_IOM_GRP_ADDDS,	0x00000030
+DATA 4, MX6_IOM_DRAM_RESET,	0x00000030
+DATA 4, MX6_IOM_DRAM_SDBA2,	0x00000000
+DATA 4, MX6_IOM_DRAM_SDODT0,	0x00000030
+DATA 4, MX6_IOM_DRAM_SDODT1,	0x00000030
+DATA 4, MX6_IOM_GRP_CTLDS,	0x00000030
+DATA 4, MX6_IOM_DDRMODE_CTL,	0x00020000
+DATA 4, MX6_IOM_DRAM_SDQS0,	0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS1,	0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS2,	0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS3,	0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS4,	0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS5,	0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS6,	0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS7,	0x00000030
+DATA 4, MX6_IOM_GRP_DDRMODE,	0x00020000
+DATA 4, MX6_IOM_GRP_B0DS,	0x00000030
+DATA 4, MX6_IOM_GRP_B1DS,	0x00000030
+DATA 4, MX6_IOM_GRP_B2DS,	0x00000030
+DATA 4, MX6_IOM_GRP_B3DS,	0x00000030
+DATA 4, MX6_IOM_GRP_B4DS,	0x00000030
+DATA 4, MX6_IOM_GRP_B5DS,	0x00000030
+DATA 4, MX6_IOM_GRP_B6DS,	0x00000030
+DATA 4, MX6_IOM_GRP_B7DS,	0x00000030
+DATA 4, MX6_IOM_DRAM_DQM0,	0x00000030
+DATA 4, MX6_IOM_DRAM_DQM1,	0x00000030
+DATA 4, MX6_IOM_DRAM_DQM2,	0x00000030
+DATA 4, MX6_IOM_DRAM_DQM3,	0x00000030
+DATA 4, MX6_IOM_DRAM_DQM4,	0x00000030
+DATA 4, MX6_IOM_DRAM_DQM5,	0x00000030
+DATA 4, MX6_IOM_DRAM_DQM6,	0x00000030
+DATA 4, MX6_IOM_DRAM_DQM7,	0x00000030
+
+/* Calibrations */
+/* ZQ */
+DATA 4, MX6_MMDC_P0_MPZQHWCTRL,  0xa1390003
+/* write leveling */
+DATA 4, MX6_MMDC_P0_MPWLDECTRL0, 0x001F001F
+DATA 4, MX6_MMDC_P0_MPWLDECTRL1, 0x001F001F
+DATA 4, MX6_MMDC_P1_MPWLDECTRL0, 0x001F001F
+DATA 4, MX6_MMDC_P1_MPWLDECTRL1, 0x001F001F
+/* Read DQS Gating calibration */
+DATA 4, MX6_MMDC_P0_MPDGCTRL0,	0x45380544
+DATA 4, MX6_MMDC_P0_MPDGCTRL1,	0x05280530
+DATA 4, MX6_MMDC_P1_MPDGCTRL0,	0x4530053C
+DATA 4, MX6_MMDC_P1_MPDGCTRL1,	0x0530050C
+/* Read calibration */
+DATA 4, MX6_MMDC_P0_MPRDDLCTL,	0x36303032
+DATA 4, MX6_MMDC_P1_MPRDDLCTL,	0x38363042
+/* Write calibration */
+DATA 4, MX6_MMDC_P0_MPWRDLCTL,	0x3A3A423E
+DATA 4, MX6_MMDC_P1_MPWRDLCTL,	0x4A38483E
+/* read data bit delay */
+DATA 4, MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333
+DATA 4, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333
+DATA 4, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333
+DATA 4, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333
+
+/* Complete calibration by forced measurment */
+DATA 4, MX6_MMDC_P0_MPMUR0,	0x00000800
+DATA 4, MX6_MMDC_P1_MPMUR0,	0x00000800
+
+/* MMDC init */
+DATA 4, MX6_MMDC_P0_MDPDC,	0x00020036
+DATA 4, MX6_MMDC_P0_MDOTC,	0x09444040
+DATA 4, MX6_MMDC_P0_MDCFG0,	0x8A8F79A4
+DATA 4, MX6_MMDC_P0_MDCFG1,	0xDB538E64
+DATA 4, MX6_MMDC_P0_MDCFG2,	0x01ff00db
+DATA 4, MX6_MMDC_P0_MDMISC,	0x00001740
+DATA 4, MX6_MMDC_P0_MDSCR,	0x00008000
+DATA 4, MX6_MMDC_P0_MDRWD,	0x000026d2
+DATA 4, MX6_MMDC_P0_MDOR,	0x008F1023
+DATA 4, MX6_MMDC_P0_MDASP,	0x00000047
+DATA 4, MX6_MMDC_P0_MDCTL,	0x841a0000
+
+/* Initialize Micron MT41J128M */
+DATA 4, MX6_MMDC_P0_MDSCR,	0x04088032
+DATA 4, MX6_MMDC_P0_MDSCR,	0x0408803a
+DATA 4, MX6_MMDC_P0_MDSCR,	0x00008033
+DATA 4, MX6_MMDC_P0_MDSCR,	0x0000803b
+DATA 4, MX6_MMDC_P0_MDSCR,	0x00408031
+DATA 4, MX6_MMDC_P0_MDSCR,	0x00408039
+DATA 4, MX6_MMDC_P0_MDSCR,	0x09408030
+DATA 4, MX6_MMDC_P0_MDSCR,	0x09408038
+DATA 4, MX6_MMDC_P0_MDSCR,	0x04008040
+DATA 4, MX6_MMDC_P0_MDSCR,	0x04008048
+DATA 4, MX6_MMDC_P0_MDREF,	0x00005800
+DATA 4, MX6_MMDC_P0_MPODTCTRL,	0x00011117
+DATA 4, MX6_MMDC_P1_MPODTCTRL,	0x00011117
+DATA 4, MX6_MMDC_P0_MDPDC,	0x00025576
+DATA 4, MX6_MMDC_P0_MAPSR,	0x00011006
+DATA 4, MX6_MMDC_P0_MDSCR,	0x00000000
+
+/* set the default clock gate to save power */
+DATA 4, CCM_CCGR0, 0x00C03F3F
+DATA 4, CCM_CCGR1, 0x0030FC03
+DATA 4, CCM_CCGR2, 0x0FFFC000
+DATA 4, CCM_CCGR3, 0x3FF00000
+DATA 4, CCM_CCGR4, 0x00FFF300
+DATA 4, CCM_CCGR5, 0x0F0000C3
+DATA 4, CCM_CCGR6, 0x000003FF
+
+/* enable AXI cache for VDOA/VPU/IPU */
+DATA 4, MX6_IOMUXC_GPR4, 0xF00000CF
+/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
+DATA 4, MX6_IOMUXC_GPR6, 0x007F007F
+DATA 4, MX6_IOMUXC_GPR7, 0x007F007F
+
+/*
+ * Setup CCM_CCOSR register as follows:
+ *
+ * cko1_en  1	   --> CKO1 enabled
+ * cko1_div 111  --> divide by 8
+ * cko1_sel 1011 --> ahb_clk_root
+ *
+ * This sets CKO1 at ahb_clk_root/8 132/8 16.5 MHz
+ */
+DATA 4, CCM_CCOSR, 0x000000fb