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authorPrabhakar Kushwaha <prabhakar@freescale.com>2015-11-09 16:42:07 +0530
committerYork Sun <yorksun@freescale.com>2015-11-30 08:53:04 -0800
commit449372148f6d9b5b8bded88ed8eee5c581a4bf81 (patch)
tree9e15d0812f5aebf6808e98c8d41c7a225f36b6fb /board/freescale/ls2085a/ddr.c
parent14480454c76d0f0bc4c5828cc1f054ba6278530e (diff)
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armv8: LS2080A: Rename LS2085A to reflect LS2080A
LS2080A is a prime personality of Freescale’s LS2085A. It is a non-AIOP personality without support of DP-DDR, L2 switch, 1588, PCIe endpoint etc. So renaming existing LS2085A code base to reflect LS2080A (Prime personality) Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivastava@freescale.com> Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com> [York Sun: Dropped #ifdef in cpu.c for cpu_type_list] Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'board/freescale/ls2085a/ddr.c')
-rw-r--r--board/freescale/ls2085a/ddr.c206
1 files changed, 0 insertions, 206 deletions
diff --git a/board/freescale/ls2085a/ddr.c b/board/freescale/ls2085a/ddr.c
deleted file mode 100644
index 4884fa24d0..0000000000
--- a/board/freescale/ls2085a/ddr.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * Copyright 2014 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <fsl_ddr_sdram.h>
-#include <fsl_ddr_dimm_params.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 > 3) {
- 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[ctrl_num];
- else
- pbsp = udimms[ctrl_num];
-
-
- /* 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 for data rate %lu MT/s\n"
- "Trying to use the highest speed (%u) parameters\n",
- ddr_freq, 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);
-
- if (ctrl_num == CONFIG_DP_DDR_CTRL) {
- /* force DDR bus width to 32 bits */
- popts->data_bus_width = 1;
- popts->otf_burst_chop_en = 0;
- popts->burst_length = DDR_BL8;
- popts->bstopre = 0; /* enable auto precharge */
- }
- /*
- * Factors to consider for half-strength driver enable:
- * - number of DIMMs installed
- */
- popts->half_strength_driver_enable = 1;
- /*
- * 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;
-
-#ifdef CONFIG_SYS_FSL_DDR4
- popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR1_ODT(DDR_CDR_ODT_80ohm);
- popts->ddr_cdr2 = DDR_CDR2_ODT(DDR_CDR_ODT_80ohm) |
- DDR_CDR2_VREF_OVRD(70); /* Vref = 70% */
-#else
- /* 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);
-#endif
-}
-
-#ifdef CONFIG_SYS_DDR_RAW_TIMING
-dimm_params_t ddr_raw_timing = {
- .n_ranks = 2,
- .rank_density = 1073741824u,
- .capacity = 2147483648,
- .primary_sdram_width = 64,
- .ec_sdram_width = 0,
- .registered_dimm = 0,
- .mirrored_dimm = 0,
- .n_row_addr = 14,
- .n_col_addr = 10,
- .n_banks_per_sdram_device = 8,
- .edc_config = 0,
- .burst_lengths_bitmask = 0x0c,
-
- .tckmin_x_ps = 937,
- .caslat_x = 0x6FC << 4, /* 14,13,11,10,9,8,7,6 */
- .taa_ps = 13090,
- .twr_ps = 15000,
- .trcd_ps = 13090,
- .trrd_ps = 5000,
- .trp_ps = 13090,
- .tras_ps = 33000,
- .trc_ps = 46090,
- .trfc_ps = 160000,
- .twtr_ps = 7500,
- .trtp_ps = 7500,
- .refresh_rate_ps = 7800000,
- .tfaw_ps = 25000,
-};
-
-int fsl_ddr_get_dimm_params(dimm_params_t *pdimm,
- unsigned int controller_number,
- unsigned int dimm_number)
-{
- const char dimm_model[] = "Fixed DDR on board";
-
- if (((controller_number == 0) && (dimm_number == 0)) ||
- ((controller_number == 1) && (dimm_number == 0))) {
- memcpy(pdimm, &ddr_raw_timing, sizeof(dimm_params_t));
- memset(pdimm->mpart, 0, sizeof(pdimm->mpart));
- memcpy(pdimm->mpart, dimm_model, sizeof(dimm_model) - 1);
- }
-
- return 0;
-}
-#endif
-phys_size_t initdram(int board_type)
-{
- phys_size_t dram_size;
-
- puts("Initializing DDR....");
-
- puts("using SPD\n");
- dram_size = fsl_ddr_sdram();
-
- return dram_size;
-}
-
-void dram_init_banksize(void)
-{
-#ifdef CONFIG_SYS_DP_DDR_BASE_PHY
- phys_size_t dp_ddr_size;
-#endif
-
- gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
- if (gd->ram_size > CONFIG_SYS_LS2_DDR_BLOCK1_SIZE) {
- gd->bd->bi_dram[0].size = CONFIG_SYS_LS2_DDR_BLOCK1_SIZE;
- gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
- gd->bd->bi_dram[1].size = gd->ram_size -
- CONFIG_SYS_LS2_DDR_BLOCK1_SIZE;
- } else {
- gd->bd->bi_dram[0].size = gd->ram_size;
- }
-
-#ifdef CONFIG_SYS_DP_DDR_BASE_PHY
- /* initialize DP-DDR here */
- puts("DP-DDR: ");
- /*
- * DDR controller use 0 as the base address for binding.
- * It is mapped to CONFIG_SYS_DP_DDR_BASE for core to access.
- */
- dp_ddr_size = fsl_other_ddr_sdram(CONFIG_SYS_DP_DDR_BASE_PHY,
- CONFIG_DP_DDR_CTRL,
- CONFIG_DP_DDR_NUM_CTRLS,
- CONFIG_DP_DDR_DIMM_SLOTS_PER_CTLR,
- NULL, NULL, NULL);
- if (dp_ddr_size) {
- gd->bd->bi_dram[2].start = CONFIG_SYS_DP_DDR_BASE;
- gd->bd->bi_dram[2].size = dp_ddr_size;
- } else {
- puts("Not detected");
- }
-#endif
-}
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