imx: i.mx6q: add the initial support for LogicPD i.MX6Q SOM

Logic PD has an i.MX6Q system on module (SOM) with a development kit. The
SOM has a built-in microSD socket, DDR and NAND flash.  The development kit
has an SMSC Ethernet PHY, serial debug port and a variety of peripherals.
This have been verified to boot the i.MX6Q version over either SD
on the development kit or NAND built into the SOM.  Items in the dtsi file
are specific to the SOM itself.  Items in the dts file are in the baseboard.
Future versions of the SOM will come out supporting the same basebord and
potentially future base boards will come out supporting the same SOM.

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/board/logicpd/imx6/mx6q_2x_MT41K512M16HA.cfg b/board/logicpd/imx6/mx6q_2x_MT41K512M16HA.cfg
new file mode 100644
index 0000000..b206548
--- /dev/null
+++ b/board/logicpd/imx6/mx6q_2x_MT41K512M16HA.cfg
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2017 Logic PD, Inc.
+ * Adam Ford <aford173@gmail.com>
+ *
+ * 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
+ */
+
+#include <asm/imx-common/imximage.cfg>
+
+/* image version */
+IMAGE_VERSION 2
+
+BOOT_OFFSET FLASH_OFFSET_STANDARD
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *      Addr-type register length (1,2 or 4 bytes)
+ *      Address   absolute address of the register
+ *      value     value to be stored in the register
+ */
+
+#define __ASSEMBLY__
+#include <config.h>
+#include "asm/arch-mx6/mx6-ddr.h"
+#include "asm/arch-mx6/iomux.h"
+#include "asm/arch-mx6/crm_regs.h"
+
+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_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_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_MMDC_P0_MDSCR, 0x00008000
+DATA 4, MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003
+DATA 4, MX6_MMDC_P0_MPWLDECTRL0, 0x002D003A
+DATA 4, MX6_MMDC_P0_MPWLDECTRL1, 0x0038002B
+DATA 4, MX6_MMDC_P0_MPDGCTRL0, 0x03340338
+DATA 4, MX6_MMDC_P0_MPDGCTRL1, 0x0334032C
+DATA 4, MX6_MMDC_P0_MPRDDLCTL, 0x4036383C
+DATA 4, MX6_MMDC_P0_MPWRDLCTL, 0x2E384038
+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_P0_MPMUR0, 0x00000800
+DATA 4, MX6_MMDC_P0_MDPDC, 0x00020036
+DATA 4, MX6_MMDC_P0_MDOTC, 0x09444040
+DATA 4, MX6_MMDC_P0_MDCFG0, 0xB8BE7955
+DATA 4, MX6_MMDC_P0_MDCFG1, 0xFF328F64
+DATA 4, MX6_MMDC_P0_MDCFG2, 0x01FF00DB
+DATA 4, MX6_MMDC_P0_MDMISC, 0x00011740
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00008000
+DATA 4, MX6_MMDC_P0_MDRWD, 0x000026D2
+DATA 4, MX6_MMDC_P0_MDOR, 0x00BE1023
+DATA 4, MX6_MMDC_P0_MDASP, 0x00000047
+DATA 4, MX6_MMDC_P0_MDCTL, 0x85190000
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00888032
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00008033
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00008031
+DATA 4, MX6_MMDC_P0_MDSCR, 0x19408030
+DATA 4, MX6_MMDC_P0_MDSCR, 0x04008040
+DATA 4, MX6_MMDC_P0_MDREF, 0x00007800
+DATA 4, MX6_MMDC_P0_MPODTCTRL, 0x00000007
+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, 0xFFFFF300
+DATA 4, CCM_CCGR5, 0x0F0000F3
+DATA 4, CCM_CCGR6, 0x00000FFF
+
+/* 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