diff options
Diffstat (limited to 'board/freescale/bsc9132qds/ddr.c')
| -rw-r--r-- | board/freescale/bsc9132qds/ddr.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/board/freescale/bsc9132qds/ddr.c b/board/freescale/bsc9132qds/ddr.c deleted file mode 100644 index f4effe5..0000000 --- a/board/freescale/bsc9132qds/ddr.c +++ /dev/null @@ -1,191 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright 2013 Freescale Semiconductor, Inc. - */ - -#include <common.h> -#include <vsprintf.h> -#include <asm/mmu.h> -#include <asm/immap_85xx.h> -#include <asm/processor.h> -#include <fsl_ddr_sdram.h> -#include <fsl_ddr_dimm_params.h> -#include <asm/io.h> -#include <asm/fsl_law.h> - -#ifndef CONFIG_SYS_DDR_RAW_TIMING - -fsl_ddr_cfg_regs_t ddr_cfg_regs_800 = { - .cs[0].bnds = CONFIG_SYS_DDR_CS0_BNDS, - .cs[0].config = CONFIG_SYS_DDR_CS0_CONFIG, - .cs[0].config_2 = CONFIG_SYS_DDR_CS0_CONFIG_2, - .timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3_800, - .timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0_800, - .timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_800, - .timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_800, - .ddr_sdram_cfg = CONFIG_SYS_DDR_CONTROL, - .ddr_sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL_2, - .ddr_sdram_mode = CONFIG_SYS_DDR_MODE_1_800, - .ddr_sdram_mode_2 = CONFIG_SYS_DDR_MODE_2_800, - .ddr_sdram_md_cntl = CONFIG_SYS_DDR_MODE_CONTROL, - .ddr_sdram_interval = CONFIG_SYS_DDR_INTERVAL_800, - .ddr_data_init = CONFIG_MEM_INIT_VALUE, - .ddr_sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL_800, - .ddr_init_addr = CONFIG_SYS_DDR_INIT_ADDR, - .ddr_init_ext_addr = CONFIG_SYS_DDR_INIT_EXT_ADDR, - .timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4, - .timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5, - .ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CONTROL, - .ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CONTROL_800, - .ddr_sr_cntr = CONFIG_SYS_DDR_SR_CNTR, - .ddr_sdram_rcw_1 = CONFIG_SYS_DDR_RCW_1, - .ddr_sdram_rcw_2 = CONFIG_SYS_DDR_RCW_2 -}; - -fsl_ddr_cfg_regs_t ddr_cfg_regs_1333 = { - .cs[0].bnds = CONFIG_SYS_DDR_CS0_BNDS, - .cs[0].config = CONFIG_SYS_DDR_CS0_CONFIG, - .cs[0].config_2 = CONFIG_SYS_DDR_CS0_CONFIG_2, - .timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3_1333, - .timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0_1333, - .timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1_1333, - .timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2_1333, - .ddr_sdram_cfg = CONFIG_SYS_DDR_CONTROL, - .ddr_sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL_2, - .ddr_sdram_mode = CONFIG_SYS_DDR_MODE_1_1333, - .ddr_sdram_mode_2 = CONFIG_SYS_DDR_MODE_2_1333, - .ddr_sdram_md_cntl = CONFIG_SYS_DDR_MODE_CONTROL, - .ddr_sdram_interval = CONFIG_SYS_DDR_INTERVAL_1333, - .ddr_data_init = CONFIG_MEM_INIT_VALUE, - .ddr_sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL_1333, - .ddr_init_addr = CONFIG_SYS_DDR_INIT_ADDR, - .ddr_init_ext_addr = CONFIG_SYS_DDR_INIT_EXT_ADDR, - .timing_cfg_4 = CONFIG_SYS_DDR_TIMING_4, - .timing_cfg_5 = CONFIG_SYS_DDR_TIMING_5, - .ddr_zq_cntl = CONFIG_SYS_DDR_ZQ_CONTROL, - .ddr_wrlvl_cntl = CONFIG_SYS_DDR_WRLVL_CONTROL_1333, - .ddr_sr_cntr = CONFIG_SYS_DDR_SR_CNTR, - .ddr_sdram_rcw_1 = CONFIG_SYS_DDR_RCW_1, - .ddr_sdram_rcw_2 = CONFIG_SYS_DDR_RCW_2 -}; - - -fixed_ddr_parm_t fixed_ddr_parm_0[] = { - {750, 850, &ddr_cfg_regs_800}, - {1060, 1333, &ddr_cfg_regs_1333}, - {0, 0, NULL} -}; - -/* - * Fixed sdram init -- doesn't use serial presence detect. - */ -phys_size_t fixed_sdram(void) -{ - int i; - char buf[32]; - fsl_ddr_cfg_regs_t ddr_cfg_regs; - phys_size_t ddr_size; - ulong ddr_freq, ddr_freq_mhz; - - ddr_freq = get_ddr_freq(0); - ddr_freq_mhz = ddr_freq / 1000000; - - printf("Configuring DDR for %s MT/s data rate\n", - strmhz(buf, ddr_freq)); - - for (i = 0; fixed_ddr_parm_0[i].max_freq > 0; i++) { - if ((ddr_freq_mhz > fixed_ddr_parm_0[i].min_freq) && - (ddr_freq_mhz <= fixed_ddr_parm_0[i].max_freq)) { - memcpy(&ddr_cfg_regs, fixed_ddr_parm_0[i].ddr_settings, - sizeof(ddr_cfg_regs)); - break; - } - } - - if (fixed_ddr_parm_0[i].max_freq == 0) - panic("Unsupported DDR data rate %s MT/s data rate\n", - strmhz(buf, ddr_freq)); - - ddr_size = (phys_size_t) CONFIG_SYS_SDRAM_SIZE * 1024 * 1024; - fsl_ddr_set_memctl_regs(&ddr_cfg_regs, 0, 0); - - if (set_ddr_laws(CONFIG_SYS_DDR_SDRAM_BASE, ddr_size, - LAW_TRGT_IF_DDR_1) < 0) { - printf("ERROR setting Local Access Windows for DDR\n"); - return 0; - } - - return ddr_size; -} - -#else /* CONFIG_SYS_DDR_RAW_TIMING */ -/* Micron MT41J512M8_187E */ -dimm_params_t ddr_raw_timing = { - .n_ranks = 1, - .rank_density = 1073741824u, - .capacity = 1073741824u, - .primary_sdram_width = 32, - .ec_sdram_width = 0, - .registered_dimm = 0, - .mirrored_dimm = 0, - .n_row_addr = 15, - .n_col_addr = 10, - .n_banks_per_sdram_device = 8, - .edc_config = 0, - .burst_lengths_bitmask = 0x0c, - - .tckmin_x_ps = 1870, - .caslat_x = 0x1e << 4, /* 5,6,7,8 */ - .taa_ps = 13125, - .twr_ps = 15000, - .trcd_ps = 13125, - .trrd_ps = 7500, - .trp_ps = 13125, - .tras_ps = 37500, - .trc_ps = 50625, - .trfc_ps = 160000, - .twtr_ps = 7500, - .trtp_ps = 7500, - .refresh_rate_ps = 7800000, - .tfaw_ps = 37500, -}; - -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)) { - 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; -} - -void fsl_ddr_board_options(memctl_options_t *popts, - dimm_params_t *pdimm, - unsigned int ctrl_num) -{ - int i; - popts->clk_adjust = 6; - popts->cpo_override = 0x1f; - popts->write_data_delay = 2; - popts->half_strength_driver_enable = 1; - /* Write leveling override */ - popts->wrlvl_en = 1; - popts->wrlvl_override = 1; - popts->wrlvl_sample = 0xf; - popts->wrlvl_start = 0x8; - popts->trwt_override = 1; - popts->trwt = 0; - - for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { - popts->cs_local_opts[i].odt_rd_cfg = FSL_DDR_ODT_NEVER; - popts->cs_local_opts[i].odt_wr_cfg = FSL_DDR_ODT_CS; - } -} - -#endif /* CONFIG_SYS_DDR_RAW_TIMING */ |