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.c b/board/freescale/t2080qds/ddr.c
new file mode 100644
index 0000000..5db5d21
--- /dev/null
+++ b/board/freescale/t2080qds/ddr.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 or later as published by the Free Software Foundation.
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <hwconfig.h>
+#include <asm/mmu.h>
+#include <fsl_ddr_sdram.h>
+#include <fsl_ddr_dimm_params.h>
+#include <asm/fsl_law.h>
+#include "ddr.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void fsl_ddr_board_options(memctl_options_t *popts,
+ dimm_params_t *pdimm,
+ unsigned int ctrl_num)
+{
+ const struct board_specific_parameters *pbsp, *pbsp_highest = NULL;
+ ulong ddr_freq;
+
+ if (ctrl_num > 2) {
+ printf("Not supported controller number %d\n", ctrl_num);
+ return;
+ }
+ if (!pdimm->n_ranks)
+ return;
+
+ /*
+ * we use identical timing for all slots. If needed, change the code
+ * to pbsp = rdimms[ctrl_num] or pbsp = udimms[ctrl_num];
+ */
+ if (popts->registered_dimm_en)
+ pbsp = rdimms[0];
+ else
+ pbsp = udimms[0];
+
+
+ /* Get clk_adjust, cpo, write_data_delay,2T, according to the board ddr
+ * freqency and n_banks specified in board_specific_parameters table.
+ */
+ ddr_freq = get_ddr_freq(0) / 1000000;
+ while (pbsp->datarate_mhz_high) {
+ if (pbsp->n_ranks == pdimm->n_ranks &&
+ (pdimm->rank_density >> 30) >= pbsp->rank_gb) {
+ if (ddr_freq <= pbsp->datarate_mhz_high) {
+ popts->cpo_override = pbsp->cpo;
+ popts->write_data_delay =
+ pbsp->write_data_delay;
+ popts->clk_adjust = pbsp->clk_adjust;
+ popts->wrlvl_start = pbsp->wrlvl_start;
+ popts->wrlvl_ctl_2 = pbsp->wrlvl_ctl_2;
+ popts->wrlvl_ctl_3 = pbsp->wrlvl_ctl_3;
+ popts->twot_en = pbsp->force_2t;
+ goto found;
+ }
+ pbsp_highest = pbsp;
+ }
+ pbsp++;
+ }
+
+ if (pbsp_highest) {
+ printf("Error: board specific timing not found");
+ printf("for data rate %lu MT/s\n", ddr_freq);
+ printf("Trying to use the highest speed (%u) parameters\n",
+ pbsp_highest->datarate_mhz_high);
+ popts->cpo_override = pbsp_highest->cpo;
+ popts->write_data_delay = pbsp_highest->write_data_delay;
+ popts->clk_adjust = pbsp_highest->clk_adjust;
+ popts->wrlvl_start = pbsp_highest->wrlvl_start;
+ popts->wrlvl_ctl_2 = pbsp->wrlvl_ctl_2;
+ popts->wrlvl_ctl_3 = pbsp->wrlvl_ctl_3;
+ popts->twot_en = pbsp_highest->force_2t;
+ } else {
+ panic("DIMM is not supported by this board");
+ }
+found:
+ debug("Found timing match: n_ranks %d, data rate %d, rank_gb %d\n"
+ "\tclk_adjust %d, wrlvl_start %d, wrlvl_ctrl_2 0x%x, "
+ "wrlvl_ctrl_3 0x%x\n",
+ pbsp->n_ranks, pbsp->datarate_mhz_high, pbsp->rank_gb,
+ pbsp->clk_adjust, pbsp->wrlvl_start, pbsp->wrlvl_ctl_2,
+ pbsp->wrlvl_ctl_3);
+
+ /*
+ * Factors to consider for half-strength driver enable:
+ * - number of DIMMs installed
+ */
+ popts->half_strength_driver_enable = 0;
+ /*
+ * Write leveling override
+ */
+ popts->wrlvl_override = 1;
+ popts->wrlvl_sample = 0xf;
+
+ /*
+ * Rtt and Rtt_WR override
+ */
+ popts->rtt_override = 0;
+
+ /* Enable ZQ calibration */
+ popts->zq_en = 1;
+
+ /* DHC_EN =1, ODT = 75 Ohm */
+ popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_75ohm);
+ popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_75ohm);
+}
+
+phys_size_t initdram(int board_type)
+{
+ phys_size_t dram_size;
+
+ puts("Initializing....using SPD\n");
+
+ dram_size = fsl_ddr_sdram();
+
+ dram_size = setup_ddr_tlbs(dram_size / 0x100000);
+ dram_size *= 0x100000;
+
+ puts(" DDR: ");
+ return dram_size;
+}