arm: imx: initial support for apalis imx6
This adds board support for the Toradex module family Apalis iMX6.
The familiy consists of a module with i.MX6 Dual, i.MX6 Quad with
commercial and industrial temperature range.
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
diff --git a/board/toradex/apalis_imx6/ddr-setup.cfg b/board/toradex/apalis_imx6/ddr-setup.cfg
new file mode 100644
index 0000000..de7cdd6
--- /dev/null
+++ b/board/toradex/apalis_imx6/ddr-setup.cfg
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2013 Boundary Devices
+ * Copyright (C) 2014-2016, Toradex AG
+ *
+ * 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
+ */
+
+/*
+ * DDR3 settings
+ * MX6Q ddr is limited to 1066 Mhz currently 1056 MHz(528 MHz clock),
+ * memory bus width: 64 bits x16/x32/x64
+ * MX6DL ddr is limited to 800 MHz(400 MHz clock)
+ * memory bus width: 64 bits x16/x32/x64
+ * MX6SOLO ddr is limited to 800 MHz(400 MHz clock)
+ * memory bus width: 32 bits x16/x32
+ */
+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_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_GRP_ADDDS, 0x00000030
+/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
+DATA 4, MX6_IOM_GRP_CTLDS, 0x00000030
+
+DATA 4, MX6_IOM_DRAM_DQM0, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM1, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM2, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM3, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM4, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM5, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM6, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM7, 0x00020030
+
+DATA 4, MX6_IOM_DRAM_CAS, 0x00020030
+DATA 4, MX6_IOM_DRAM_RAS, 0x00020030
+DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00020030
+DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00020030
+
+DATA 4, MX6_IOM_DRAM_RESET, 0x00020030
+DATA 4, MX6_IOM_DRAM_SDCKE0, 0x00003000
+DATA 4, MX6_IOM_DRAM_SDCKE1, 0x00003000
+
+DATA 4, MX6_IOM_DRAM_SDODT0, 0x00003030
+DATA 4, MX6_IOM_DRAM_SDODT1, 0x00003030
+
+/* (differential input) */
+DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000
+/* (differential input) */
+DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000
+/* disable ddr pullups */
+DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
+DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000
+/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
+DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
+
+/* Read data DQ Byte0-3 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
+
+/*
+ * MDMISC mirroring interleaved (row/bank/col)
+ */
+DATA 4, MX6_MMDC_P0_MDMISC, 0x00081740
+
+/*
+ * MDSCR con_req
+ */
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00008000