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-rw-r--r--board/freescale/t4qds/ddr.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/board/freescale/t4qds/ddr.c b/board/freescale/t4qds/ddr.c
deleted file mode 100644
index 4fdd69d424..0000000000
--- a/board/freescale/t4qds/ddr.c
+++ /dev/null
@@ -1,134 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright 2012 Freescale Semiconductor, Inc.
- */
-
-#include <common.h>
-#include <i2c.h>
-#include <hwconfig.h>
-#include <init.h>
-#include <log.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 "
- "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->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);
-
- /* optimize cpo for erratum A-009942 */
- popts->cpo_sample = 0x63;
-}
-
-int dram_init(void)
-{
- phys_size_t dram_size;
-
- puts("Initializing....using SPD\n");
-
-#if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_RAMBOOT_PBL)
- dram_size = fsl_ddr_sdram();
-#else
- /* DDR has been initialised by first stage boot loader */
- dram_size = fsl_ddr_sdram_size();
-#endif
- dram_size = setup_ddr_tlbs(dram_size / 0x100000);
- dram_size *= 0x100000;
-
- gd->ram_size = dram_size;
-
- return 0;
-}