powerpc/t2080qds: add support for t2080qds board

The T2080QDS is a high-performance computing evaluation, development and
test platform supporting the T2080 QorIQ Power Architecture processor.

T2080QDS feature overview
Processor:
 - T2080 SoC integrating four 64-bit dual-threads e6500 cores up to 1.8GHz
Memory:
 - Single memory controller capable of supporting DDR3 and DDR3-LV devices
 - Two DDR3 DIMMs up to 4GB, Dual rank @ 2133MT/s and ECC support
Ethernet interfaces:
 - Two 1Gbps RGMII on-board ports
 - Four 10Gbps XFI on-board cages
 - 1Gbps/2.5Gbps SGMII Riser card
 - 10Gbps XAUI Riser card
Accelerator:
 - DPAA components consist of FMan, BMan, QMan, PME, DCE and SEC
SerDes:
 - 16 lanes up to 10.3125GHz
 - Supports Aurora debug, PEX, SATA, SGMII, sRIO, HiGig, XFI and XAUI
IFC:
 - 128MB NOR Flash, 512MB NAND Flash, PromJet debug port and FPGA
eSPI:
 - Three SPI flash (16MB N25Q128A + 16MB EN25S64 + 512KB SST25WF040)
USB:
 - Two USB2.0 ports with internal PHY (one Type-A + one micro Type-AB)
PCIE:
 - Four PCI Express controllers (two PCIe 2.0 and two PCIe 3.0 with SR-IOV)
SATA:
 - Two SATA 2.0 ports on-board
SRIO:
 - Two Serial RapidIO 2.0 ports up to 5 GHz
eSDHC:
 - Supports SD/SDHC/SDXC/eMMC Card
I2C:
 - Four I2C controllers.
UART:
 - Dual 4-pins UART serial ports
System Logic:
 - QIXIS-II FPGA system controll
Debug Features:
 - Support Legacy, COP/JTAG, Aurora, Event and EVT

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
[York Sun: removed Makefile blank line at EOF,
           fix conflicts with moving DDR driver]
Acked-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/t2080qds/ddr.h b/board/freescale/t2080qds/ddr.h
new file mode 100644
index 0000000..964eaad
--- /dev/null
+++ b/board/freescale/t2080qds/ddr.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __DDR_H__
+#define __DDR_H__
+struct board_specific_parameters {
+	u32 n_ranks;
+	u32 datarate_mhz_high;
+	u32 rank_gb;
+	u32 clk_adjust;
+	u32 wrlvl_start;
+	u32 wrlvl_ctl_2;
+	u32 wrlvl_ctl_3;
+	u32 cpo;
+	u32 write_data_delay;
+	u32 force_2t;
+};
+
+/*
+ * These tables contain all valid speeds we want to override with board
+ * specific parameters. datarate_mhz_high values need to be in ascending order
+ * for each n_ranks group.
+ */
+
+static const struct board_specific_parameters udimm0[] = {
+	/*
+	 * memory controller 0
+	 *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl | cpo  |wrdata|2T
+	 * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3  |      |delay |
+	 */
+	{2,  1350, 4, 4,     8, 0x0809090b, 0x0c0c0d0a,   0xff,    2,  0},
+	{2,  1350, 0, 5,     7, 0x0709090b, 0x0c0c0d09,   0xff,    2,  0},
+	{2,  1666, 4, 4,     8, 0x080a0a0d, 0x0d10100b,   0xff,    2,  0},
+	{2,  1666, 0, 5,     7, 0x080a0a0c, 0x0d0d0e0a,   0xff,    2,  0},
+	{2,  1900, 0, 4,     8, 0x090a0b0e, 0x0f11120c,   0xff,    2,  0},
+	{2,  2140, 0, 4,     8, 0x090a0b0e, 0x0f11120c,   0xff,    2,  0},
+	{1,  1350, 0, 5,     8, 0x0809090b, 0x0c0c0d0a,   0xff,    2,  0},
+	{1,  1700, 0, 5,     8, 0x080a0a0c, 0x0c0d0e0a,   0xff,    2,  0},
+	{1,  1800, 2, 5,     6, 0x06070709, 0x110a0b08,   0xff,    2,  0},
+	{1,  1866, 2, 4,     6, 0x06060708, 0x09090a07,   0xff,    2,  0},
+	{1,  1900, 2, 4,     6, 0x06060708, 0x09090a07,   0xff,    2,  0},
+	{1,  2000, 2, 4,     8, 0x090a0b0d, 0x0e0f110b,   0xff,    2,  0},
+	{1,  2133, 2, 4,     8, 0x090a0b0d, 0x0e0f110b,   0xff,    2,  0},
+	{}
+};
+
+static const struct board_specific_parameters rdimm0[] = {
+	/*
+	 * memory controller 0
+	 *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl | cpo  |wrdata|2T
+	 * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3  |      |delay |
+	 */
+	{4,  1350, 0, 5,     9, 0x08070605, 0x06070806,   0xff,    2,  0},
+	{4,  1666, 0, 5,    11, 0x0a080706, 0x07090906,   0xff,    2,  0},
+	{4,  2140, 0, 5,    12, 0x0b090807, 0x080a0b07,   0xff,    2,  0},
+	{2,  1350, 0, 5,     9, 0x08070605, 0x06070806,   0xff,    2,  0},
+	{2,  1666, 0, 5,    11, 0x0a090806, 0x08090a06,   0xff,    2,  0},
+	{2,  2140, 0, 5,    12, 0x0b090807, 0x080a0b07,   0xff,    2,  0},
+	{1,  1350, 0, 5,     9, 0x08070605, 0x06070806,   0xff,    2,  0},
+	{1,  1666, 0, 5,    11, 0x0a090806, 0x08090a06,   0xff,    2,  0},
+	{1,  2140, 0, 4,    12, 0x0b090807, 0x080a0b07,   0xff,    2,  0},
+	{}
+};
+
+/*
+ * The three slots have slightly different timing. The center values are good
+ * for all slots. We use identical speed tables for them. In future use, if
+ * DIMMs require separated tables, make more entries as needed.
+ */
+static const struct board_specific_parameters *udimms[] = {
+	udimm0,
+};
+
+/*
+ * The three slots have slightly different timing. See comments above.
+ */
+static const struct board_specific_parameters *rdimms[] = {
+	rdimm0,
+};
+
+
+#endif