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-rw-r--r--qemu/roms/u-boot/board/freescale/p2041rdb/ddr.c140
1 files changed, 0 insertions, 140 deletions
diff --git a/qemu/roms/u-boot/board/freescale/p2041rdb/ddr.c b/qemu/roms/u-boot/board/freescale/p2041rdb/ddr.c
deleted file mode 100644
index b8bbcdf2a..000000000
--- a/qemu/roms/u-boot/board/freescale/p2041rdb/ddr.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright 2011 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 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>
-
-struct board_specific_parameters {
- u32 n_ranks;
- u32 datarate_mhz_high;
- u32 clk_adjust;
- u32 wrlvl_start;
- u32 cpo;
- u32 write_data_delay;
- u32 force_2t;
-};
-
-/*
- * This table contains 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.
- *
- * ranges for parameters:
- * wr_data_delay = 0-6
- * clk adjust = 0-8
- * cpo 2-0x1E (30)
- */
-static const struct board_specific_parameters dimm0[] = {
- /*
- * memory controller 0
- * num| hi| clk| wrlvl | cpo |wrdata|2T
- * ranks| mhz|adjst| start | delay|
- */
- {2, 750, 3, 5, 0xff, 2, 0},
- {2, 1250, 4, 6, 0xff, 2, 0},
- {2, 1350, 5, 7, 0xff, 2, 0},
- {2, 1666, 5, 8, 0xff, 2, 0},
- {}
-};
-
-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) {
- printf("Wrong parameter for controller number %d", ctrl_num);
- return;
- }
- if (!pdimm->n_ranks)
- return;
-
- pbsp = dimm0;
-
- /*
- * 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) {
- 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->twot_en = pbsp->force_2t;
- goto found;
- }
- pbsp_highest = pbsp;
- }
- pbsp++;
- }
-
- if (pbsp_highest) {
- printf("Error: board specific timing not found "
- "for data rate %lu MT/s!\n"
- "Trying to use the highest speed (%u) parameters\n",
- ddr_freq, 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->twot_en = pbsp_highest->force_2t;
- } else {
- panic("DIMM is not supported by this board");
- }
-
-found:
- /*
- * 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 = 60 Ohm */
- popts->ddr_cdr1 = DDR_CDR1_DHC_EN;
-}
-
-phys_size_t initdram(int board_type)
-{
- phys_size_t dram_size = 0;
-
- puts("Initializing....");
-
- if (fsl_use_spd()) {
- puts("using SPD\n");
- dram_size = fsl_ddr_sdram();
- } else {
- puts("no SPD and fixed parameters\n");
- return dram_size;
- }
-
- dram_size = setup_ddr_tlbs(dram_size / 0x100000);
- dram_size *= 0x100000;
-
- debug(" DDR: ");
- return dram_size;
-}