mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-09-24 16:32:20 +00:00
8d67c3685e
T2080PCIe-RDB is a Freescale Reference Design Board that hosts the T2080 SoC. It works in two mode: standalone mode and PCIe endpoint mode. T2080PCIe-RDB Feature Overview ------------------------------ Processor: - T2080 SoC integrating four 64-bit dual-threads e6500 cores up to 1.8GHz DDR Memory: - Single memory controller capable of supporting DDR3 and DDR3-LP devices - 72bit 4GB DDR3-LP SODIMM in slot Ethernet interfaces: - Two 10M/100M/1G RGMII ports on-board - Two 10Gbps SFP+ ports on-board - Two 10Gbps Base-T ports on-board Accelerator: - DPAA components consist of FMan, BMan, QMan, PME, DCE and SEC SerDes 16 lanes configuration: - SerDes-1 Lane A-B: to two 10G XFI fiber (MAC9 & MAC10) - SerDes-1 Lane C-D: to two 10G Base-T (MAC1 & MAC2) - SerDes-1 Lane E-H: to PCIe Goldfinger (PCIe4 x4, Gen3) - SerDes-2 Lane A-D: to PCIe Slot (PCIe1 x4, Gen2) - SerDes-2 Lane E-F: to C293 secure co-processor (PCIe2 x2) - SerDes-2 Lane G-H: to SATA1 & SATA2 IFC/Local Bus: - NOR: 128MB 16-bit NOR flash - NAND: 512MB 8-bit NAND flash - CPLD: for system controlling with programable header on-board eSPI: - 64MB N25Q512 SPI flash USB: - Two USB2.0 ports with internal PHY (both Type-A) PCIe: - One PCIe x4 gold-finger - One PCIe x4 connector - One PCIe x2 end-point device (C293 Crypto co-processor) SATA: - Two SATA 2.0 ports on-board SDHC: - support a TF-card on-board I2C: - Four I2C controllers. UART: - Dual 4-pins UART serial ports Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
|
|
* Copyright 2014 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 > 1) {
|
|
printf("Not supported controller number %d\n", ctrl_num);
|
|
return;
|
|
}
|
|
if (!pdimm->n_ranks)
|
|
return;
|
|
|
|
pbsp = udimms[0];
|
|
|
|
/* Get clk_adjust, wrlvl_start, wrlvl_ctl, 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->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;
|
|
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->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;
|
|
} 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;
|
|
}
|