arm, imx6: add support for aristainetos2 board

add support for imx6dl based aristainetos2 board

U-Boot 2015.04-rc5-00066-g60f6ed4 (Apr 10 2015 - 08:46:27)

CPU:   Freescale i.MX6DL rev1.1 at 792 MHz
Reset cause: WDOG
Board: aristaitenos2
       Watchdog enabled
I2C:   ready
DRAM:  1 GiB
NAND:  1024 MiB
MMC:   FSL_SDHC: 0
SF: Detected N25Q128A with page size 256 Bytes, erase size 64 KiB, total 16 MiB
Display: lg4573 (480x800)
In:    serial
Out:   serial
Err:   serial
Net:   FEC [PRIME]
Hit any key to stop autoboot:  0
=>

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/board/aristainetos/ddr-setup2.cfg b/board/aristainetos/ddr-setup2.cfg
new file mode 100644
index 0000000..3d5d894
--- /dev/null
+++ b/board/aristainetos/ddr-setup2.cfg
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2013 Boundary Devices
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * 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
+ */
+
+/* DDR IO TYPE */
+DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
+DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
+/* Clock */
+DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00000030
+/* Address */
+DATA 4, MX6_IOM_DRAM_CAS, 0x00000030
+DATA 4, MX6_IOM_DRAM_RAS, 0x00000030
+DATA 4, MX6_IOM_GRP_ADDDS, 0x00000030
+/* Control */
+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 Strobe */
+DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000
+DATA 4, MX6_IOM_DRAM_SDQS0, 0x00000028
+DATA 4, MX6_IOM_DRAM_SDQS1, 0x00000028
+DATA 4, MX6_IOM_DRAM_SDQS2, 0x00000028
+DATA 4, MX6_IOM_DRAM_SDQS3, 0x00000028
+DATA 4, MX6_IOM_DRAM_SDQS4, 0x00000028
+DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000028
+DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000028
+DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000028
+DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000
+DATA 4, MX6_IOM_GRP_B0DS, 0x00000028
+DATA 4, MX6_IOM_GRP_B1DS, 0x00000028
+DATA 4, MX6_IOM_GRP_B2DS, 0x00000028
+DATA 4, MX6_IOM_GRP_B3DS, 0x00000028
+DATA 4, MX6_IOM_GRP_B4DS, 0x00000028
+DATA 4, MX6_IOM_GRP_B5DS, 0x00000028
+DATA 4, MX6_IOM_GRP_B6DS, 0x00000028
+DATA 4, MX6_IOM_GRP_B7DS, 0x00000028
+DATA 4, MX6_IOM_DRAM_DQM0, 0x00000028
+DATA 4, MX6_IOM_DRAM_DQM1, 0x00000028
+DATA 4, MX6_IOM_DRAM_DQM2, 0x00000028
+DATA 4, MX6_IOM_DRAM_DQM3, 0x00000028
+DATA 4, MX6_IOM_DRAM_DQM4, 0x00000028
+DATA 4, MX6_IOM_DRAM_DQM5, 0x00000028
+DATA 4, MX6_IOM_DRAM_DQM6, 0x00000028
+DATA 4, MX6_IOM_DRAM_DQM7, 0x00000028