| /* |
| * Copyright 2010-2012 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 any later versionas published by the Free Software Foundation. |
| */ |
| |
| /* |
| * Generic driver for Freescale DDR/DDR2/DDR3 memory controller. |
| * Based on code from spd_sdram.c |
| * Author: James Yang [at freescale.com] |
| * York Sun [at freescale.com] |
| */ |
| |
| #include <common.h> |
| #include <linux/ctype.h> |
| #include <asm/types.h> |
| |
| #include <asm/fsl_ddr_sdram.h> |
| #include "ddr.h" |
| |
| /* Option parameter Structures */ |
| struct options_string { |
| const char *option_name; |
| size_t offset; |
| unsigned int size; |
| const char printhex; |
| }; |
| |
| static unsigned int picos_to_mhz(unsigned int picos) |
| { |
| return 1000000 / picos; |
| } |
| |
| static void print_option_table(const struct options_string *table, |
| int table_size, |
| const void *base) |
| { |
| unsigned int i; |
| unsigned int *ptr; |
| unsigned long long *ptr_l; |
| |
| for (i = 0; i < table_size; i++) { |
| switch (table[i].size) { |
| case 4: |
| ptr = (unsigned int *) (base + table[i].offset); |
| if (table[i].printhex) { |
| printf("%s = 0x%08X\n", |
| table[i].option_name, *ptr); |
| } else { |
| printf("%s = %u\n", |
| table[i].option_name, *ptr); |
| } |
| break; |
| case 8: |
| ptr_l = (unsigned long long *) (base + table[i].offset); |
| printf("%s = %llu\n", |
| table[i].option_name, *ptr_l); |
| break; |
| default: |
| printf("Unrecognized size!\n"); |
| break; |
| } |
| } |
| } |
| |
| static int handle_option_table(const struct options_string *table, |
| int table_size, |
| void *base, |
| const char *opt, |
| const char *val) |
| { |
| unsigned int i; |
| unsigned int value, *ptr; |
| unsigned long long value_l, *ptr_l; |
| |
| for (i = 0; i < table_size; i++) { |
| if (strcmp(table[i].option_name, opt) != 0) |
| continue; |
| switch (table[i].size) { |
| case 4: |
| value = simple_strtoul(val, NULL, 0); |
| ptr = base + table[i].offset; |
| *ptr = value; |
| break; |
| case 8: |
| value_l = simple_strtoull(val, NULL, 0); |
| ptr_l = base + table[i].offset; |
| *ptr_l = value_l; |
| break; |
| default: |
| printf("Unrecognized size!\n"); |
| break; |
| } |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static void fsl_ddr_generic_edit(void *pdata, |
| void *pend, |
| unsigned int element_size, |
| unsigned int element_num, |
| unsigned int value) |
| { |
| char *pcdata = (char *)pdata; /* BIG ENDIAN ONLY */ |
| |
| pcdata += element_num * element_size; |
| if ((pcdata + element_size) > (char *) pend) { |
| printf("trying to write past end of data\n"); |
| return; |
| } |
| |
| switch (element_size) { |
| case 1: |
| __raw_writeb(value, pcdata); |
| break; |
| case 2: |
| __raw_writew(value, pcdata); |
| break; |
| case 4: |
| __raw_writel(value, pcdata); |
| break; |
| default: |
| printf("unexpected element size %u\n", element_size); |
| break; |
| } |
| } |
| |
| static void fsl_ddr_spd_edit(fsl_ddr_info_t *pinfo, |
| unsigned int ctrl_num, |
| unsigned int dimm_num, |
| unsigned int element_num, |
| unsigned int value) |
| { |
| generic_spd_eeprom_t *pspd; |
| |
| pspd = &(pinfo->spd_installed_dimms[ctrl_num][dimm_num]); |
| fsl_ddr_generic_edit(pspd, pspd + 1, 1, element_num, value); |
| } |
| |
| #define COMMON_TIMING(x) {#x, offsetof(common_timing_params_t, x), \ |
| sizeof((common_timing_params_t *)0)->x, 0} |
| |
| static void lowest_common_dimm_parameters_edit(fsl_ddr_info_t *pinfo, |
| unsigned int ctrl_num, |
| const char *optname_str, |
| const char *value_str) |
| { |
| common_timing_params_t *p = &pinfo->common_timing_params[ctrl_num]; |
| |
| static const struct options_string options[] = { |
| COMMON_TIMING(tCKmin_X_ps), |
| COMMON_TIMING(tCKmax_ps), |
| COMMON_TIMING(tCKmax_max_ps), |
| COMMON_TIMING(tRCD_ps), |
| COMMON_TIMING(tRP_ps), |
| COMMON_TIMING(tRAS_ps), |
| COMMON_TIMING(tWR_ps), |
| COMMON_TIMING(tWTR_ps), |
| COMMON_TIMING(tRFC_ps), |
| COMMON_TIMING(tRRD_ps), |
| COMMON_TIMING(tRC_ps), |
| COMMON_TIMING(refresh_rate_ps), |
| COMMON_TIMING(tIS_ps), |
| COMMON_TIMING(tIH_ps), |
| COMMON_TIMING(tDS_ps), |
| COMMON_TIMING(tDH_ps), |
| COMMON_TIMING(tRTP_ps), |
| COMMON_TIMING(tDQSQ_max_ps), |
| COMMON_TIMING(tQHS_ps), |
| COMMON_TIMING(ndimms_present), |
| COMMON_TIMING(lowest_common_SPD_caslat), |
| COMMON_TIMING(highest_common_derated_caslat), |
| COMMON_TIMING(additive_latency), |
| COMMON_TIMING(all_DIMMs_burst_lengths_bitmask), |
| COMMON_TIMING(all_DIMMs_registered), |
| COMMON_TIMING(all_DIMMs_unbuffered), |
| COMMON_TIMING(all_DIMMs_ECC_capable), |
| COMMON_TIMING(total_mem), |
| COMMON_TIMING(base_address), |
| }; |
| static const unsigned int n_opts = ARRAY_SIZE(options); |
| |
| if (handle_option_table(options, n_opts, p, optname_str, value_str)) |
| return; |
| |
| printf("Error: couldn't find option string %s\n", optname_str); |
| } |
| |
| #define DIMM_PARM(x) {#x, offsetof(dimm_params_t, x), \ |
| sizeof((dimm_params_t *)0)->x, 0} |
| |
| static void fsl_ddr_dimm_parameters_edit(fsl_ddr_info_t *pinfo, |
| unsigned int ctrl_num, |
| unsigned int dimm_num, |
| const char *optname_str, |
| const char *value_str) |
| { |
| dimm_params_t *p = &(pinfo->dimm_params[ctrl_num][dimm_num]); |
| |
| static const struct options_string options[] = { |
| DIMM_PARM(n_ranks), |
| DIMM_PARM(data_width), |
| DIMM_PARM(primary_sdram_width), |
| DIMM_PARM(ec_sdram_width), |
| DIMM_PARM(registered_dimm), |
| |
| DIMM_PARM(n_row_addr), |
| DIMM_PARM(n_col_addr), |
| DIMM_PARM(edc_config), |
| DIMM_PARM(n_banks_per_sdram_device), |
| DIMM_PARM(burst_lengths_bitmask), |
| DIMM_PARM(row_density), |
| |
| DIMM_PARM(tCKmin_X_ps), |
| DIMM_PARM(tCKmin_X_minus_1_ps), |
| DIMM_PARM(tCKmin_X_minus_2_ps), |
| DIMM_PARM(tCKmax_ps), |
| |
| DIMM_PARM(caslat_X), |
| DIMM_PARM(caslat_X_minus_1), |
| DIMM_PARM(caslat_X_minus_2), |
| |
| DIMM_PARM(caslat_lowest_derated), |
| |
| DIMM_PARM(tRCD_ps), |
| DIMM_PARM(tRP_ps), |
| DIMM_PARM(tRAS_ps), |
| DIMM_PARM(tWR_ps), |
| DIMM_PARM(tWTR_ps), |
| DIMM_PARM(tRFC_ps), |
| DIMM_PARM(tRRD_ps), |
| DIMM_PARM(tRC_ps), |
| DIMM_PARM(refresh_rate_ps), |
| |
| DIMM_PARM(tIS_ps), |
| DIMM_PARM(tIH_ps), |
| DIMM_PARM(tDS_ps), |
| DIMM_PARM(tDH_ps), |
| DIMM_PARM(tRTP_ps), |
| DIMM_PARM(tDQSQ_max_ps), |
| DIMM_PARM(tQHS_ps), |
| |
| DIMM_PARM(rank_density), |
| DIMM_PARM(capacity), |
| DIMM_PARM(base_address), |
| }; |
| |
| static const unsigned int n_opts = ARRAY_SIZE(options); |
| |
| if (handle_option_table(options, n_opts, p, optname_str, value_str)) |
| return; |
| |
| printf("couldn't find option string %s\n", optname_str); |
| } |
| |
| static void print_dimm_parameters(const dimm_params_t *pdimm) |
| { |
| static const struct options_string options[] = { |
| DIMM_PARM(n_ranks), |
| DIMM_PARM(data_width), |
| DIMM_PARM(primary_sdram_width), |
| DIMM_PARM(ec_sdram_width), |
| DIMM_PARM(registered_dimm), |
| |
| DIMM_PARM(n_row_addr), |
| DIMM_PARM(n_col_addr), |
| DIMM_PARM(edc_config), |
| DIMM_PARM(n_banks_per_sdram_device), |
| |
| DIMM_PARM(tCKmin_X_ps), |
| DIMM_PARM(tCKmin_X_minus_1_ps), |
| DIMM_PARM(tCKmin_X_minus_2_ps), |
| DIMM_PARM(tCKmax_ps), |
| |
| DIMM_PARM(caslat_X), |
| DIMM_PARM(tAA_ps), |
| DIMM_PARM(caslat_X_minus_1), |
| DIMM_PARM(caslat_X_minus_2), |
| DIMM_PARM(caslat_lowest_derated), |
| |
| DIMM_PARM(tRCD_ps), |
| DIMM_PARM(tRP_ps), |
| DIMM_PARM(tRAS_ps), |
| DIMM_PARM(tWR_ps), |
| DIMM_PARM(tWTR_ps), |
| DIMM_PARM(tRFC_ps), |
| DIMM_PARM(tRRD_ps), |
| DIMM_PARM(tRC_ps), |
| DIMM_PARM(refresh_rate_ps), |
| |
| DIMM_PARM(tIS_ps), |
| DIMM_PARM(tIH_ps), |
| DIMM_PARM(tDS_ps), |
| DIMM_PARM(tDH_ps), |
| DIMM_PARM(tRTP_ps), |
| DIMM_PARM(tDQSQ_max_ps), |
| DIMM_PARM(tQHS_ps), |
| }; |
| static const unsigned int n_opts = ARRAY_SIZE(options); |
| |
| if (pdimm->n_ranks == 0) { |
| printf("DIMM not present\n"); |
| return; |
| } |
| printf("DIMM organization parameters:\n"); |
| printf("module part name = %s\n", pdimm->mpart); |
| printf("rank_density = %llu bytes (%llu megabytes)\n", |
| pdimm->rank_density, pdimm->rank_density / 0x100000); |
| printf("capacity = %llu bytes (%llu megabytes)\n", |
| pdimm->capacity, pdimm->capacity / 0x100000); |
| printf("burst_lengths_bitmask = %02X\n", |
| pdimm->burst_lengths_bitmask); |
| printf("base_addresss = %llu (%08llX %08llX)\n", |
| pdimm->base_address, |
| (pdimm->base_address >> 32), |
| pdimm->base_address & 0xFFFFFFFF); |
| print_option_table(options, n_opts, pdimm); |
| } |
| |
| static void print_lowest_common_dimm_parameters( |
| const common_timing_params_t *plcd_dimm_params) |
| { |
| static const struct options_string options[] = { |
| COMMON_TIMING(tCKmax_max_ps), |
| COMMON_TIMING(tRCD_ps), |
| COMMON_TIMING(tRP_ps), |
| COMMON_TIMING(tRAS_ps), |
| COMMON_TIMING(tWR_ps), |
| COMMON_TIMING(tWTR_ps), |
| COMMON_TIMING(tRFC_ps), |
| COMMON_TIMING(tRRD_ps), |
| COMMON_TIMING(tRC_ps), |
| COMMON_TIMING(refresh_rate_ps), |
| COMMON_TIMING(tIS_ps), |
| COMMON_TIMING(tDS_ps), |
| COMMON_TIMING(tDH_ps), |
| COMMON_TIMING(tRTP_ps), |
| COMMON_TIMING(tDQSQ_max_ps), |
| COMMON_TIMING(tQHS_ps), |
| COMMON_TIMING(lowest_common_SPD_caslat), |
| COMMON_TIMING(highest_common_derated_caslat), |
| COMMON_TIMING(additive_latency), |
| COMMON_TIMING(ndimms_present), |
| COMMON_TIMING(all_DIMMs_registered), |
| COMMON_TIMING(all_DIMMs_unbuffered), |
| COMMON_TIMING(all_DIMMs_ECC_capable), |
| }; |
| static const unsigned int n_opts = ARRAY_SIZE(options); |
| |
| /* Clock frequencies */ |
| printf("tCKmin_X_ps = %u (%u MHz)\n", |
| plcd_dimm_params->tCKmin_X_ps, |
| picos_to_mhz(plcd_dimm_params->tCKmin_X_ps)); |
| printf("tCKmax_ps = %u (%u MHz)\n", |
| plcd_dimm_params->tCKmax_ps, |
| picos_to_mhz(plcd_dimm_params->tCKmax_ps)); |
| printf("all_DIMMs_burst_lengths_bitmask = %02X\n", |
| plcd_dimm_params->all_DIMMs_burst_lengths_bitmask); |
| |
| print_option_table(options, n_opts, plcd_dimm_params); |
| |
| printf("total_mem = %llu (%llu megabytes)\n", |
| plcd_dimm_params->total_mem, |
| plcd_dimm_params->total_mem / 0x100000); |
| printf("base_address = %llu (%llu megabytes)\n", |
| plcd_dimm_params->base_address, |
| plcd_dimm_params->base_address / 0x100000); |
| } |
| |
| #define CTRL_OPTIONS(x) {#x, offsetof(memctl_options_t, x), \ |
| sizeof((memctl_options_t *)0)->x, 0} |
| #define CTRL_OPTIONS_CS(x, y) {"cs" #x "_" #y, \ |
| offsetof(memctl_options_t, cs_local_opts[x].y), \ |
| sizeof((memctl_options_t *)0)->cs_local_opts[x].y, 0} |
| |
| static void fsl_ddr_options_edit(fsl_ddr_info_t *pinfo, |
| unsigned int ctl_num, |
| const char *optname_str, |
| const char *value_str) |
| { |
| memctl_options_t *p = &(pinfo->memctl_opts[ctl_num]); |
| /* |
| * This array all on the stack and *computed* each time this |
| * function is rung. |
| */ |
| static const struct options_string options[] = { |
| CTRL_OPTIONS_CS(0, odt_rd_cfg), |
| CTRL_OPTIONS_CS(0, odt_wr_cfg), |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1) |
| CTRL_OPTIONS_CS(1, odt_rd_cfg), |
| CTRL_OPTIONS_CS(1, odt_wr_cfg), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2) |
| CTRL_OPTIONS_CS(2, odt_rd_cfg), |
| CTRL_OPTIONS_CS(2, odt_wr_cfg), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2) |
| CTRL_OPTIONS_CS(3, odt_rd_cfg), |
| CTRL_OPTIONS_CS(3, odt_wr_cfg), |
| #endif |
| #if defined(CONFIG_FSL_DDR3) |
| CTRL_OPTIONS_CS(0, odt_rtt_norm), |
| CTRL_OPTIONS_CS(0, odt_rtt_wr), |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1) |
| CTRL_OPTIONS_CS(1, odt_rtt_norm), |
| CTRL_OPTIONS_CS(1, odt_rtt_wr), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2) |
| CTRL_OPTIONS_CS(2, odt_rtt_norm), |
| CTRL_OPTIONS_CS(2, odt_rtt_wr), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2) |
| CTRL_OPTIONS_CS(3, odt_rtt_norm), |
| CTRL_OPTIONS_CS(3, odt_rtt_wr), |
| #endif |
| #endif |
| CTRL_OPTIONS(memctl_interleaving), |
| CTRL_OPTIONS(memctl_interleaving_mode), |
| CTRL_OPTIONS(ba_intlv_ctl), |
| CTRL_OPTIONS(ECC_mode), |
| CTRL_OPTIONS(ECC_init_using_memctl), |
| CTRL_OPTIONS(DQS_config), |
| CTRL_OPTIONS(self_refresh_in_sleep), |
| CTRL_OPTIONS(dynamic_power), |
| CTRL_OPTIONS(data_bus_width), |
| CTRL_OPTIONS(burst_length), |
| CTRL_OPTIONS(cas_latency_override), |
| CTRL_OPTIONS(cas_latency_override_value), |
| CTRL_OPTIONS(use_derated_caslat), |
| CTRL_OPTIONS(additive_latency_override), |
| CTRL_OPTIONS(additive_latency_override_value), |
| CTRL_OPTIONS(clk_adjust), |
| CTRL_OPTIONS(cpo_override), |
| CTRL_OPTIONS(write_data_delay), |
| CTRL_OPTIONS(half_strength_driver_enable), |
| |
| /* |
| * These can probably be changed to 2T_EN and 3T_EN |
| * (using a leading numerical character) without problem |
| */ |
| CTRL_OPTIONS(twoT_en), |
| CTRL_OPTIONS(threeT_en), |
| CTRL_OPTIONS(ap_en), |
| CTRL_OPTIONS(bstopre), |
| CTRL_OPTIONS(wrlvl_override), |
| CTRL_OPTIONS(wrlvl_sample), |
| CTRL_OPTIONS(wrlvl_start), |
| CTRL_OPTIONS(rcw_override), |
| CTRL_OPTIONS(rcw_1), |
| CTRL_OPTIONS(rcw_2), |
| CTRL_OPTIONS(ddr_cdr1), |
| CTRL_OPTIONS(ddr_cdr2), |
| CTRL_OPTIONS(tCKE_clock_pulse_width_ps), |
| CTRL_OPTIONS(tFAW_window_four_activates_ps), |
| CTRL_OPTIONS(trwt_override), |
| CTRL_OPTIONS(trwt), |
| }; |
| |
| static const unsigned int n_opts = ARRAY_SIZE(options); |
| |
| if (handle_option_table(options, n_opts, p, |
| optname_str, value_str)) |
| return; |
| |
| printf("couldn't find option string %s\n", optname_str); |
| } |
| |
| #define CFG_REGS(x) {#x, offsetof(fsl_ddr_cfg_regs_t, x), \ |
| sizeof((fsl_ddr_cfg_regs_t *)0)->x, 1} |
| #define CFG_REGS_CS(x, y) {"cs" #x "_" #y, \ |
| offsetof(fsl_ddr_cfg_regs_t, cs[x].y), \ |
| sizeof((fsl_ddr_cfg_regs_t *)0)->cs[x].y, 1} |
| |
| static void print_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr) |
| { |
| unsigned int i; |
| static const struct options_string options[] = { |
| CFG_REGS_CS(0, bnds), |
| CFG_REGS_CS(0, config), |
| CFG_REGS_CS(0, config_2), |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1) |
| CFG_REGS_CS(1, bnds), |
| CFG_REGS_CS(1, config), |
| CFG_REGS_CS(1, config_2), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2) |
| CFG_REGS_CS(2, bnds), |
| CFG_REGS_CS(2, config), |
| CFG_REGS_CS(2, config_2), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2) |
| CFG_REGS_CS(3, bnds), |
| CFG_REGS_CS(3, config), |
| CFG_REGS_CS(3, config_2), |
| #endif |
| CFG_REGS(timing_cfg_3), |
| CFG_REGS(timing_cfg_0), |
| CFG_REGS(timing_cfg_1), |
| CFG_REGS(timing_cfg_2), |
| CFG_REGS(ddr_sdram_cfg), |
| CFG_REGS(ddr_sdram_cfg_2), |
| CFG_REGS(ddr_sdram_mode), |
| CFG_REGS(ddr_sdram_mode_2), |
| CFG_REGS(ddr_sdram_mode_3), |
| CFG_REGS(ddr_sdram_mode_4), |
| CFG_REGS(ddr_sdram_mode_5), |
| CFG_REGS(ddr_sdram_mode_6), |
| CFG_REGS(ddr_sdram_mode_7), |
| CFG_REGS(ddr_sdram_mode_8), |
| CFG_REGS(ddr_sdram_interval), |
| CFG_REGS(ddr_data_init), |
| CFG_REGS(ddr_sdram_clk_cntl), |
| CFG_REGS(ddr_init_addr), |
| CFG_REGS(ddr_init_ext_addr), |
| CFG_REGS(timing_cfg_4), |
| CFG_REGS(timing_cfg_5), |
| CFG_REGS(ddr_zq_cntl), |
| CFG_REGS(ddr_wrlvl_cntl), |
| CFG_REGS(ddr_wrlvl_cntl_2), |
| CFG_REGS(ddr_wrlvl_cntl_3), |
| CFG_REGS(ddr_sr_cntr), |
| CFG_REGS(ddr_sdram_rcw_1), |
| CFG_REGS(ddr_sdram_rcw_2), |
| CFG_REGS(ddr_cdr1), |
| CFG_REGS(ddr_cdr2), |
| CFG_REGS(err_disable), |
| CFG_REGS(err_int_en), |
| CFG_REGS(ddr_eor), |
| }; |
| static const unsigned int n_opts = ARRAY_SIZE(options); |
| |
| print_option_table(options, n_opts, ddr); |
| |
| for (i = 0; i < 32; i++) |
| printf("debug_%02d = 0x%08X\n", i+1, ddr->debug[i]); |
| } |
| |
| static void fsl_ddr_regs_edit(fsl_ddr_info_t *pinfo, |
| unsigned int ctrl_num, |
| const char *regname, |
| const char *value_str) |
| { |
| unsigned int i; |
| fsl_ddr_cfg_regs_t *ddr; |
| char buf[20]; |
| static const struct options_string options[] = { |
| CFG_REGS_CS(0, bnds), |
| CFG_REGS_CS(0, config), |
| CFG_REGS_CS(0, config_2), |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1) |
| CFG_REGS_CS(1, bnds), |
| CFG_REGS_CS(1, config), |
| CFG_REGS_CS(1, config_2), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2) |
| CFG_REGS_CS(2, bnds), |
| CFG_REGS_CS(2, config), |
| CFG_REGS_CS(2, config_2), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 3) |
| CFG_REGS_CS(3, bnds), |
| CFG_REGS_CS(3, config), |
| CFG_REGS_CS(3, config_2), |
| #endif |
| CFG_REGS(timing_cfg_3), |
| CFG_REGS(timing_cfg_0), |
| CFG_REGS(timing_cfg_1), |
| CFG_REGS(timing_cfg_2), |
| CFG_REGS(ddr_sdram_cfg), |
| CFG_REGS(ddr_sdram_cfg_2), |
| CFG_REGS(ddr_sdram_mode), |
| CFG_REGS(ddr_sdram_mode_2), |
| CFG_REGS(ddr_sdram_mode_3), |
| CFG_REGS(ddr_sdram_mode_4), |
| CFG_REGS(ddr_sdram_mode_5), |
| CFG_REGS(ddr_sdram_mode_6), |
| CFG_REGS(ddr_sdram_mode_7), |
| CFG_REGS(ddr_sdram_mode_8), |
| CFG_REGS(ddr_sdram_interval), |
| CFG_REGS(ddr_data_init), |
| CFG_REGS(ddr_sdram_clk_cntl), |
| CFG_REGS(ddr_init_addr), |
| CFG_REGS(ddr_init_ext_addr), |
| CFG_REGS(timing_cfg_4), |
| CFG_REGS(timing_cfg_5), |
| CFG_REGS(ddr_zq_cntl), |
| CFG_REGS(ddr_wrlvl_cntl), |
| CFG_REGS(ddr_wrlvl_cntl_2), |
| CFG_REGS(ddr_wrlvl_cntl_3), |
| CFG_REGS(ddr_sr_cntr), |
| CFG_REGS(ddr_sdram_rcw_1), |
| CFG_REGS(ddr_sdram_rcw_2), |
| CFG_REGS(ddr_cdr1), |
| CFG_REGS(ddr_cdr2), |
| CFG_REGS(err_disable), |
| CFG_REGS(err_int_en), |
| CFG_REGS(ddr_sdram_rcw_2), |
| CFG_REGS(ddr_sdram_rcw_2), |
| CFG_REGS(ddr_eor), |
| }; |
| static const unsigned int n_opts = ARRAY_SIZE(options); |
| |
| debug("fsl_ddr_regs_edit: ctrl_num = %u, " |
| "regname = %s, value = %s\n", |
| ctrl_num, regname, value_str); |
| if (ctrl_num > CONFIG_NUM_DDR_CONTROLLERS) |
| return; |
| |
| ddr = &(pinfo->fsl_ddr_config_reg[ctrl_num]); |
| |
| if (handle_option_table(options, n_opts, ddr, regname, value_str)) |
| return; |
| |
| for (i = 0; i < 32; i++) { |
| unsigned int value = simple_strtoul(value_str, NULL, 0); |
| sprintf(buf, "debug_%u", i + 1); |
| if (strcmp(buf, regname) == 0) { |
| ddr->debug[i] = value; |
| return; |
| } |
| } |
| printf("Error: couldn't find register string %s\n", regname); |
| } |
| |
| #define CTRL_OPTIONS_HEX(x) {#x, offsetof(memctl_options_t, x), \ |
| sizeof((memctl_options_t *)0)->x, 1} |
| |
| static void print_memctl_options(const memctl_options_t *popts) |
| { |
| static const struct options_string options[] = { |
| CTRL_OPTIONS_CS(0, odt_rd_cfg), |
| CTRL_OPTIONS_CS(0, odt_wr_cfg), |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1) |
| CTRL_OPTIONS_CS(1, odt_rd_cfg), |
| CTRL_OPTIONS_CS(1, odt_wr_cfg), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2) |
| CTRL_OPTIONS_CS(2, odt_rd_cfg), |
| CTRL_OPTIONS_CS(2, odt_wr_cfg), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 3) |
| CTRL_OPTIONS_CS(3, odt_rd_cfg), |
| CTRL_OPTIONS_CS(3, odt_wr_cfg), |
| #endif |
| #if defined(CONFIG_FSL_DDR3) |
| CTRL_OPTIONS_CS(0, odt_rtt_norm), |
| CTRL_OPTIONS_CS(0, odt_rtt_wr), |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1) |
| CTRL_OPTIONS_CS(1, odt_rtt_norm), |
| CTRL_OPTIONS_CS(1, odt_rtt_wr), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 2) |
| CTRL_OPTIONS_CS(2, odt_rtt_norm), |
| CTRL_OPTIONS_CS(2, odt_rtt_wr), |
| #endif |
| #if (CONFIG_CHIP_SELECTS_PER_CTRL > 3) |
| CTRL_OPTIONS_CS(3, odt_rtt_norm), |
| CTRL_OPTIONS_CS(3, odt_rtt_wr), |
| #endif |
| #endif |
| CTRL_OPTIONS(memctl_interleaving), |
| CTRL_OPTIONS(memctl_interleaving_mode), |
| CTRL_OPTIONS_HEX(ba_intlv_ctl), |
| CTRL_OPTIONS(ECC_mode), |
| CTRL_OPTIONS(ECC_init_using_memctl), |
| CTRL_OPTIONS(DQS_config), |
| CTRL_OPTIONS(self_refresh_in_sleep), |
| CTRL_OPTIONS(dynamic_power), |
| CTRL_OPTIONS(data_bus_width), |
| CTRL_OPTIONS(burst_length), |
| CTRL_OPTIONS(cas_latency_override), |
| CTRL_OPTIONS(cas_latency_override_value), |
| CTRL_OPTIONS(use_derated_caslat), |
| CTRL_OPTIONS(additive_latency_override), |
| CTRL_OPTIONS(additive_latency_override_value), |
| CTRL_OPTIONS(clk_adjust), |
| CTRL_OPTIONS(cpo_override), |
| CTRL_OPTIONS(write_data_delay), |
| CTRL_OPTIONS(half_strength_driver_enable), |
| /* |
| * These can probably be changed to 2T_EN and 3T_EN |
| * (using a leading numerical character) without problem |
| */ |
| CTRL_OPTIONS(twoT_en), |
| CTRL_OPTIONS(threeT_en), |
| CTRL_OPTIONS(registered_dimm_en), |
| CTRL_OPTIONS(ap_en), |
| CTRL_OPTIONS(bstopre), |
| CTRL_OPTIONS(wrlvl_override), |
| CTRL_OPTIONS(wrlvl_sample), |
| CTRL_OPTIONS(wrlvl_start), |
| CTRL_OPTIONS(rcw_override), |
| CTRL_OPTIONS(rcw_1), |
| CTRL_OPTIONS(rcw_2), |
| CTRL_OPTIONS_HEX(ddr_cdr1), |
| CTRL_OPTIONS_HEX(ddr_cdr2), |
| CTRL_OPTIONS(tCKE_clock_pulse_width_ps), |
| CTRL_OPTIONS(tFAW_window_four_activates_ps), |
| CTRL_OPTIONS(trwt_override), |
| CTRL_OPTIONS(trwt), |
| }; |
| static const unsigned int n_opts = ARRAY_SIZE(options); |
| |
| print_option_table(options, n_opts, popts); |
| } |
| |
| #ifdef CONFIG_FSL_DDR1 |
| void ddr1_spd_dump(const ddr1_spd_eeprom_t *spd) |
| { |
| unsigned int i; |
| |
| printf("%-3d : %02x %s\n", 0, spd->info_size, |
| " spd->info_size, * 0 # bytes written into serial memory *"); |
| printf("%-3d : %02x %s\n", 1, spd->chip_size, |
| " spd->chip_size, * 1 Total # bytes of SPD memory device *"); |
| printf("%-3d : %02x %s\n", 2, spd->mem_type, |
| " spd->mem_type, * 2 Fundamental memory type *"); |
| printf("%-3d : %02x %s\n", 3, spd->nrow_addr, |
| " spd->nrow_addr, * 3 # of Row Addresses on this assembly *"); |
| printf("%-3d : %02x %s\n", 4, spd->ncol_addr, |
| " spd->ncol_addr, * 4 # of Column Addrs on this assembly *"); |
| printf("%-3d : %02x %s\n", 5, spd->nrows, |
| " spd->nrows * 5 # of DIMM Banks *"); |
| printf("%-3d : %02x %s\n", 6, spd->dataw_lsb, |
| " spd->dataw_lsb, * 6 Data Width lsb of this assembly *"); |
| printf("%-3d : %02x %s\n", 7, spd->dataw_msb, |
| " spd->dataw_msb, * 7 Data Width msb of this assembly *"); |
| printf("%-3d : %02x %s\n", 8, spd->voltage, |
| " spd->voltage, * 8 Voltage intf std of this assembly *"); |
| printf("%-3d : %02x %s\n", 9, spd->clk_cycle, |
| " spd->clk_cycle, * 9 SDRAM Cycle time at CL=X *"); |
| printf("%-3d : %02x %s\n", 10, spd->clk_access, |
| " spd->clk_access, * 10 SDRAM Access from Clock at CL=X *"); |
| printf("%-3d : %02x %s\n", 11, spd->config, |
| " spd->config, * 11 DIMM Configuration type *"); |
| printf("%-3d : %02x %s\n", 12, spd->refresh, |
| " spd->refresh, * 12 Refresh Rate/Type *"); |
| printf("%-3d : %02x %s\n", 13, spd->primw, |
| " spd->primw, * 13 Primary SDRAM Width *"); |
| printf("%-3d : %02x %s\n", 14, spd->ecw, |
| " spd->ecw, * 14 Error Checking SDRAM width *"); |
| printf("%-3d : %02x %s\n", 15, spd->min_delay, |
| " spd->min_delay, * 15 Back to Back Random Access *"); |
| printf("%-3d : %02x %s\n", 16, spd->burstl, |
| " spd->burstl, * 16 Burst Lengths Supported *"); |
| printf("%-3d : %02x %s\n", 17, spd->nbanks, |
| " spd->nbanks, * 17 # of Banks on Each SDRAM Device *"); |
| printf("%-3d : %02x %s\n", 18, spd->cas_lat, |
| " spd->cas_lat, * 18 CAS# Latencies Supported *"); |
| printf("%-3d : %02x %s\n", 19, spd->cs_lat, |
| " spd->cs_lat, * 19 Chip Select Latency *"); |
| printf("%-3d : %02x %s\n", 20, spd->write_lat, |
| " spd->write_lat, * 20 Write Latency/Recovery *"); |
| printf("%-3d : %02x %s\n", 21, spd->mod_attr, |
| " spd->mod_attr, * 21 SDRAM Module Attributes *"); |
| printf("%-3d : %02x %s\n", 22, spd->dev_attr, |
| " spd->dev_attr, * 22 SDRAM Device Attributes *"); |
| printf("%-3d : %02x %s\n", 23, spd->clk_cycle2, |
| " spd->clk_cycle2, * 23 Min SDRAM Cycle time at CL=X-1 *"); |
| printf("%-3d : %02x %s\n", 24, spd->clk_access2, |
| " spd->clk_access2, * 24 SDRAM Access from Clock at CL=X-1 *"); |
| printf("%-3d : %02x %s\n", 25, spd->clk_cycle3, |
| " spd->clk_cycle3, * 25 Min SDRAM Cycle time at CL=X-2 *"); |
| printf("%-3d : %02x %s\n", 26, spd->clk_access3, |
| " spd->clk_access3, * 26 Max Access from Clock at CL=X-2 *"); |
| printf("%-3d : %02x %s\n", 27, spd->trp, |
| " spd->trp, * 27 Min Row Precharge Time (tRP)*"); |
| printf("%-3d : %02x %s\n", 28, spd->trrd, |
| " spd->trrd, * 28 Min Row Active to Row Active (tRRD) *"); |
| printf("%-3d : %02x %s\n", 29, spd->trcd, |
| " spd->trcd, * 29 Min RAS to CAS Delay (tRCD) *"); |
| printf("%-3d : %02x %s\n", 30, spd->tras, |
| " spd->tras, * 30 Minimum RAS Pulse Width (tRAS) *"); |
| printf("%-3d : %02x %s\n", 31, spd->bank_dens, |
| " spd->bank_dens, * 31 Density of each bank on module *"); |
| printf("%-3d : %02x %s\n", 32, spd->ca_setup, |
| " spd->ca_setup, * 32 Cmd + Addr signal input setup time *"); |
| printf("%-3d : %02x %s\n", 33, spd->ca_hold, |
| " spd->ca_hold, * 33 Cmd and Addr signal input hold time *"); |
| printf("%-3d : %02x %s\n", 34, spd->data_setup, |
| " spd->data_setup, * 34 Data signal input setup time *"); |
| printf("%-3d : %02x %s\n", 35, spd->data_hold, |
| " spd->data_hold, * 35 Data signal input hold time *"); |
| printf("%-3d : %02x %s\n", 36, spd->res_36_40[0], |
| " spd->res_36_40[0], * 36 Reserved / tWR *"); |
| printf("%-3d : %02x %s\n", 37, spd->res_36_40[1], |
| " spd->res_36_40[1], * 37 Reserved / tWTR *"); |
| printf("%-3d : %02x %s\n", 38, spd->res_36_40[2], |
| " spd->res_36_40[2], * 38 Reserved / tRTP *"); |
| printf("%-3d : %02x %s\n", 39, spd->res_36_40[3], |
| " spd->res_36_40[3], * 39 Reserved / mem_probe *"); |
| printf("%-3d : %02x %s\n", 40, spd->res_36_40[4], |
| " spd->res_36_40[4], * 40 Reserved / trc,trfc extensions *"); |
| printf("%-3d : %02x %s\n", 41, spd->trc, |
| " spd->trc, * 41 Min Active to Auto refresh time tRC *"); |
| printf("%-3d : %02x %s\n", 42, spd->trfc, |
| " spd->trfc, * 42 Min Auto to Active period tRFC *"); |
| printf("%-3d : %02x %s\n", 43, spd->tckmax, |
| " spd->tckmax, * 43 Max device cycle time tCKmax *"); |
| printf("%-3d : %02x %s\n", 44, spd->tdqsq, |
| " spd->tdqsq, * 44 Max DQS to DQ skew *"); |
| printf("%-3d : %02x %s\n", 45, spd->tqhs, |
| " spd->tqhs, * 45 Max Read DataHold skew tQHS *"); |
| printf("%-3d : %02x %s\n", 46, spd->res_46, |
| " spd->res_46, * 46 Reserved/ PLL Relock time *"); |
| printf("%-3d : %02x %s\n", 47, spd->dimm_height, |
| " spd->dimm_height * 47 SDRAM DIMM Height *"); |
| |
| printf("%-3d-%3d: ", 48, 61); |
| |
| for (i = 0; i < 14; i++) |
| printf("%02x", spd->res_48_61[i]); |
| |
| printf(" * 48-61 IDD in SPD and Reserved space *\n"); |
| |
| printf("%-3d : %02x %s\n", 62, spd->spd_rev, |
| " spd->spd_rev, * 62 SPD Data Revision Code *"); |
| printf("%-3d : %02x %s\n", 63, spd->cksum, |
| " spd->cksum, * 63 Checksum for bytes 0-62 *"); |
| printf("%-3d-%3d: ", 64, 71); |
| |
| for (i = 0; i < 8; i++) |
| printf("%02x", spd->mid[i]); |
| |
| printf("* 64 Mfr's JEDEC ID code per JEP-108E *\n"); |
| printf("%-3d : %02x %s\n", 72, spd->mloc, |
| " spd->mloc, * 72 Manufacturing Location *"); |
| |
| printf("%-3d-%3d: >>", 73, 90); |
| |
| for (i = 0; i < 18; i++) |
| printf("%c", spd->mpart[i]); |
| |
| printf("<<* 73 Manufacturer's Part Number *\n"); |
| |
| printf("%-3d-%3d: %02x %02x %s\n", 91, 92, spd->rev[0], spd->rev[1], |
| "* 91 Revision Code *"); |
| printf("%-3d-%3d: %02x %02x %s\n", 93, 94, spd->mdate[0], spd->mdate[1], |
| "* 93 Manufacturing Date *"); |
| printf("%-3d-%3d: ", 95, 98); |
| |
| for (i = 0; i < 4; i++) |
| printf("%02x", spd->sernum[i]); |
| |
| printf("* 95 Assembly Serial Number *\n"); |
| |
| printf("%-3d-%3d: ", 99, 127); |
| |
| for (i = 0; i < 27; i++) |
| printf("%02x", spd->mspec[i]); |
| |
| printf("* 99 Manufacturer Specific Data *\n"); |
| } |
| #endif |
| |
| #ifdef CONFIG_FSL_DDR2 |
| void ddr2_spd_dump(const ddr2_spd_eeprom_t *spd) |
| { |
| unsigned int i; |
| |
| printf("%-3d : %02x %s\n", 0, spd->info_size, |
| " spd->info_size, * 0 # bytes written into serial memory *"); |
| printf("%-3d : %02x %s\n", 1, spd->chip_size, |
| " spd->chip_size, * 1 Total # bytes of SPD memory device *"); |
| printf("%-3d : %02x %s\n", 2, spd->mem_type, |
| " spd->mem_type, * 2 Fundamental memory type *"); |
| printf("%-3d : %02x %s\n", 3, spd->nrow_addr, |
| " spd->nrow_addr, * 3 # of Row Addresses on this assembly *"); |
| printf("%-3d : %02x %s\n", 4, spd->ncol_addr, |
| " spd->ncol_addr, * 4 # of Column Addrs on this assembly *"); |
| printf("%-3d : %02x %s\n", 5, spd->mod_ranks, |
| " spd->mod_ranks * 5 # of Module Rows on this assembly *"); |
| printf("%-3d : %02x %s\n", 6, spd->dataw, |
| " spd->dataw, * 6 Data Width of this assembly *"); |
| printf("%-3d : %02x %s\n", 7, spd->res_7, |
| " spd->res_7, * 7 Reserved *"); |
| printf("%-3d : %02x %s\n", 8, spd->voltage, |
| " spd->voltage, * 8 Voltage intf std of this assembly *"); |
| printf("%-3d : %02x %s\n", 9, spd->clk_cycle, |
| " spd->clk_cycle, * 9 SDRAM Cycle time at CL=X *"); |
| printf("%-3d : %02x %s\n", 10, spd->clk_access, |
| " spd->clk_access, * 10 SDRAM Access from Clock at CL=X *"); |
| printf("%-3d : %02x %s\n", 11, spd->config, |
| " spd->config, * 11 DIMM Configuration type *"); |
| printf("%-3d : %02x %s\n", 12, spd->refresh, |
| " spd->refresh, * 12 Refresh Rate/Type *"); |
| printf("%-3d : %02x %s\n", 13, spd->primw, |
| " spd->primw, * 13 Primary SDRAM Width *"); |
| printf("%-3d : %02x %s\n", 14, spd->ecw, |
| " spd->ecw, * 14 Error Checking SDRAM width *"); |
| printf("%-3d : %02x %s\n", 15, spd->res_15, |
| " spd->res_15, * 15 Reserved *"); |
| printf("%-3d : %02x %s\n", 16, spd->burstl, |
| " spd->burstl, * 16 Burst Lengths Supported *"); |
| printf("%-3d : %02x %s\n", 17, spd->nbanks, |
| " spd->nbanks, * 17 # of Banks on Each SDRAM Device *"); |
| printf("%-3d : %02x %s\n", 18, spd->cas_lat, |
| " spd->cas_lat, * 18 CAS# Latencies Supported *"); |
| printf("%-3d : %02x %s\n", 19, spd->mech_char, |
| " spd->mech_char, * 19 Mechanical Characteristics *"); |
| printf("%-3d : %02x %s\n", 20, spd->dimm_type, |
| " spd->dimm_type, * 20 DIMM type *"); |
| printf("%-3d : %02x %s\n", 21, spd->mod_attr, |
| " spd->mod_attr, * 21 SDRAM Module Attributes *"); |
| printf("%-3d : %02x %s\n", 22, spd->dev_attr, |
| " spd->dev_attr, * 22 SDRAM Device Attributes *"); |
| printf("%-3d : %02x %s\n", 23, spd->clk_cycle2, |
| " spd->clk_cycle2, * 23 Min SDRAM Cycle time at CL=X-1 *"); |
| printf("%-3d : %02x %s\n", 24, spd->clk_access2, |
| " spd->clk_access2, * 24 SDRAM Access from Clock at CL=X-1 *"); |
| printf("%-3d : %02x %s\n", 25, spd->clk_cycle3, |
| " spd->clk_cycle3, * 25 Min SDRAM Cycle time at CL=X-2 *"); |
| printf("%-3d : %02x %s\n", 26, spd->clk_access3, |
| " spd->clk_access3, * 26 Max Access from Clock at CL=X-2 *"); |
| printf("%-3d : %02x %s\n", 27, spd->trp, |
| " spd->trp, * 27 Min Row Precharge Time (tRP)*"); |
| printf("%-3d : %02x %s\n", 28, spd->trrd, |
| " spd->trrd, * 28 Min Row Active to Row Active (tRRD) *"); |
| printf("%-3d : %02x %s\n", 29, spd->trcd, |
| " spd->trcd, * 29 Min RAS to CAS Delay (tRCD) *"); |
| printf("%-3d : %02x %s\n", 30, spd->tras, |
| " spd->tras, * 30 Minimum RAS Pulse Width (tRAS) *"); |
| printf("%-3d : %02x %s\n", 31, spd->rank_dens, |
| " spd->rank_dens, * 31 Density of each rank on module *"); |
| printf("%-3d : %02x %s\n", 32, spd->ca_setup, |
| " spd->ca_setup, * 32 Cmd + Addr signal input setup time *"); |
| printf("%-3d : %02x %s\n", 33, spd->ca_hold, |
| " spd->ca_hold, * 33 Cmd and Addr signal input hold time *"); |
| printf("%-3d : %02x %s\n", 34, spd->data_setup, |
| " spd->data_setup, * 34 Data signal input setup time *"); |
| printf("%-3d : %02x %s\n", 35, spd->data_hold, |
| " spd->data_hold, * 35 Data signal input hold time *"); |
| printf("%-3d : %02x %s\n", 36, spd->twr, |
| " spd->twr, * 36 Write Recovery time tWR *"); |
| printf("%-3d : %02x %s\n", 37, spd->twtr, |
| " spd->twtr, * 37 Int write to read delay tWTR *"); |
| printf("%-3d : %02x %s\n", 38, spd->trtp, |
| " spd->trtp, * 38 Int read to precharge delay tRTP *"); |
| printf("%-3d : %02x %s\n", 39, spd->mem_probe, |
| " spd->mem_probe, * 39 Mem analysis probe characteristics *"); |
| printf("%-3d : %02x %s\n", 40, spd->trctrfc_ext, |
| " spd->trctrfc_ext, * 40 Extensions to trc and trfc *"); |
| printf("%-3d : %02x %s\n", 41, spd->trc, |
| " spd->trc, * 41 Min Active to Auto refresh time tRC *"); |
| printf("%-3d : %02x %s\n", 42, spd->trfc, |
| " spd->trfc, * 42 Min Auto to Active period tRFC *"); |
| printf("%-3d : %02x %s\n", 43, spd->tckmax, |
| " spd->tckmax, * 43 Max device cycle time tCKmax *"); |
| printf("%-3d : %02x %s\n", 44, spd->tdqsq, |
| " spd->tdqsq, * 44 Max DQS to DQ skew *"); |
| printf("%-3d : %02x %s\n", 45, spd->tqhs, |
| " spd->tqhs, * 45 Max Read DataHold skew tQHS *"); |
| printf("%-3d : %02x %s\n", 46, spd->pll_relock, |
| " spd->pll_relock, * 46 PLL Relock time *"); |
| printf("%-3d : %02x %s\n", 47, spd->Tcasemax, |
| " spd->Tcasemax, * 47 Tcasemax *"); |
| printf("%-3d : %02x %s\n", 48, spd->psiTAdram, |
| " spd->psiTAdram, * 48 Thermal Resistance of DRAM Package " |
| "from Top (Case) to Ambient (Psi T-A DRAM) *"); |
| printf("%-3d : %02x %s\n", 49, spd->dt0_mode, |
| " spd->dt0_mode, * 49 DRAM Case Temperature Rise from " |
| "Ambient due to Activate-Precharge/Mode Bits " |
| "(DT0/Mode Bits) *)"); |
| printf("%-3d : %02x %s\n", 50, spd->dt2n_dt2q, |
| " spd->dt2n_dt2q, * 50 DRAM Case Temperature Rise from " |
| "Ambient due to Precharge/Quiet Standby " |
| "(DT2N/DT2Q) *"); |
| printf("%-3d : %02x %s\n", 51, spd->dt2p, |
| " spd->dt2p, * 51 DRAM Case Temperature Rise from " |
| "Ambient due to Precharge Power-Down (DT2P) *"); |
| printf("%-3d : %02x %s\n", 52, spd->dt3n, |
| " spd->dt3n, * 52 DRAM Case Temperature Rise from " |
| "Ambient due to Active Standby (DT3N) *"); |
| printf("%-3d : %02x %s\n", 53, spd->dt3pfast, |
| " spd->dt3pfast, * 53 DRAM Case Temperature Rise from " |
| "Ambient due to Active Power-Down with Fast PDN Exit " |
| "(DT3Pfast) *"); |
| printf("%-3d : %02x %s\n", 54, spd->dt3pslow, |
| " spd->dt3pslow, * 54 DRAM Case Temperature Rise from " |
| "Ambient due to Active Power-Down with Slow PDN Exit " |
| "(DT3Pslow) *"); |
| printf("%-3d : %02x %s\n", 55, spd->dt4r_dt4r4w, |
| " spd->dt4r_dt4r4w, * 55 DRAM Case Temperature Rise from " |
| "Ambient due to Page Open Burst Read/DT4R4W Mode Bit " |
| "(DT4R/DT4R4W Mode Bit) *"); |
| printf("%-3d : %02x %s\n", 56, spd->dt5b, |
| " spd->dt5b, * 56 DRAM Case Temperature Rise from " |
| "Ambient due to Burst Refresh (DT5B) *"); |
| printf("%-3d : %02x %s\n", 57, spd->dt7, |
| " spd->dt7, * 57 DRAM Case Temperature Rise from " |
| "Ambient due to Bank Interleave Reads with " |
| "Auto-Precharge (DT7) *"); |
| printf("%-3d : %02x %s\n", 58, spd->psiTApll, |
| " spd->psiTApll, * 58 Thermal Resistance of PLL Package form" |
| " Top (Case) to Ambient (Psi T-A PLL) *"); |
| printf("%-3d : %02x %s\n", 59, spd->psiTAreg, |
| " spd->psiTAreg, * 59 Thermal Reisitance of Register Package" |
| " from Top (Case) to Ambient (Psi T-A Register) *"); |
| printf("%-3d : %02x %s\n", 60, spd->dtpllactive, |
| " spd->dtpllactive, * 60 PLL Case Temperature Rise from " |
| "Ambient due to PLL Active (DT PLL Active) *"); |
| printf("%-3d : %02x %s\n", 61, spd->dtregact, |
| " spd->dtregact, " |
| "* 61 Register Case Temperature Rise from Ambient due to " |
| "Register Active/Mode Bit (DT Register Active/Mode Bit) *"); |
| printf("%-3d : %02x %s\n", 62, spd->spd_rev, |
| " spd->spd_rev, * 62 SPD Data Revision Code *"); |
| printf("%-3d : %02x %s\n", 63, spd->cksum, |
| " spd->cksum, * 63 Checksum for bytes 0-62 *"); |
| |
| printf("%-3d-%3d: ", 64, 71); |
| |
| for (i = 0; i < 8; i++) |
| printf("%02x", spd->mid[i]); |
| |
| printf("* 64 Mfr's JEDEC ID code per JEP-108E *\n"); |
| |
| printf("%-3d : %02x %s\n", 72, spd->mloc, |
| " spd->mloc, * 72 Manufacturing Location *"); |
| |
| printf("%-3d-%3d: >>", 73, 90); |
| for (i = 0; i < 18; i++) |
| printf("%c", spd->mpart[i]); |
| |
| |
| printf("<<* 73 Manufacturer's Part Number *\n"); |
| |
| printf("%-3d-%3d: %02x %02x %s\n", 91, 92, spd->rev[0], spd->rev[1], |
| "* 91 Revision Code *"); |
| printf("%-3d-%3d: %02x %02x %s\n", 93, 94, spd->mdate[0], spd->mdate[1], |
| "* 93 Manufacturing Date *"); |
| printf("%-3d-%3d: ", 95, 98); |
| |
| for (i = 0; i < 4; i++) |
| printf("%02x", spd->sernum[i]); |
| |
| printf("* 95 Assembly Serial Number *\n"); |
| |
| printf("%-3d-%3d: ", 99, 127); |
| for (i = 0; i < 27; i++) |
| printf("%02x", spd->mspec[i]); |
| |
| |
| printf("* 99 Manufacturer Specific Data *\n"); |
| } |
| #endif |
| |
| #ifdef CONFIG_FSL_DDR3 |
| void ddr3_spd_dump(const ddr3_spd_eeprom_t *spd) |
| { |
| unsigned int i; |
| |
| /* General Section: Bytes 0-59 */ |
| |
| #define PRINT_NXS(x, y, z...) printf("%-3d : %02x " z "\n", x, (u8)y); |
| #define PRINT_NNXXS(n0, n1, x0, x1, s) \ |
| printf("%-3d-%3d: %02x %02x " s "\n", n0, n1, x0, x1); |
| |
| PRINT_NXS(0, spd->info_size_crc, |
| "info_size_crc bytes written into serial memory, " |
| "CRC coverage"); |
| PRINT_NXS(1, spd->spd_rev, |
| "spd_rev SPD Revision"); |
| PRINT_NXS(2, spd->mem_type, |
| "mem_type Key Byte / DRAM Device Type"); |
| PRINT_NXS(3, spd->module_type, |
| "module_type Key Byte / Module Type"); |
| PRINT_NXS(4, spd->density_banks, |
| "density_banks SDRAM Density and Banks"); |
| PRINT_NXS(5, spd->addressing, |
| "addressing SDRAM Addressing"); |
| PRINT_NXS(6, spd->module_vdd, |
| "module_vdd Module Nominal Voltage, VDD"); |
| PRINT_NXS(7, spd->organization, |
| "organization Module Organization"); |
| PRINT_NXS(8, spd->bus_width, |
| "bus_width Module Memory Bus Width"); |
| PRINT_NXS(9, spd->ftb_div, |
| "ftb_div Fine Timebase (FTB) Dividend / Divisor"); |
| PRINT_NXS(10, spd->mtb_dividend, |
| "mtb_dividend Medium Timebase (MTB) Dividend"); |
| PRINT_NXS(11, spd->mtb_divisor, |
| "mtb_divisor Medium Timebase (MTB) Divisor"); |
| PRINT_NXS(12, spd->tCK_min, |
| "tCK_min SDRAM Minimum Cycle Time"); |
| PRINT_NXS(13, spd->res_13, |
| "res_13 Reserved"); |
| PRINT_NXS(14, spd->caslat_lsb, |
| "caslat_lsb CAS Latencies Supported, LSB"); |
| PRINT_NXS(15, spd->caslat_msb, |
| "caslat_msb CAS Latencies Supported, MSB"); |
| PRINT_NXS(16, spd->tAA_min, |
| "tAA_min Min CAS Latency Time"); |
| PRINT_NXS(17, spd->tWR_min, |
| "tWR_min Min Write REcovery Time"); |
| PRINT_NXS(18, spd->tRCD_min, |
| "tRCD_min Min RAS# to CAS# Delay Time"); |
| PRINT_NXS(19, spd->tRRD_min, |
| "tRRD_min Min Row Active to Row Active Delay Time"); |
| PRINT_NXS(20, spd->tRP_min, |
| "tRP_min Min Row Precharge Delay Time"); |
| PRINT_NXS(21, spd->tRAS_tRC_ext, |
| "tRAS_tRC_ext Upper Nibbles for tRAS and tRC"); |
| PRINT_NXS(22, spd->tRAS_min_lsb, |
| "tRAS_min_lsb Min Active to Precharge Delay Time, LSB"); |
| PRINT_NXS(23, spd->tRC_min_lsb, |
| "tRC_min_lsb Min Active to Active/Refresh Delay Time, LSB"); |
| PRINT_NXS(24, spd->tRFC_min_lsb, |
| "tRFC_min_lsb Min Refresh Recovery Delay Time LSB"); |
| PRINT_NXS(25, spd->tRFC_min_msb, |
| "tRFC_min_msb Min Refresh Recovery Delay Time MSB"); |
| PRINT_NXS(26, spd->tWTR_min, |
| "tWTR_min Min Internal Write to Read Command Delay Time"); |
| PRINT_NXS(27, spd->tRTP_min, |
| "tRTP_min " |
| "Min Internal Read to Precharge Command Delay Time"); |
| PRINT_NXS(28, spd->tFAW_msb, |
| "tFAW_msb Upper Nibble for tFAW"); |
| PRINT_NXS(29, spd->tFAW_min, |
| "tFAW_min Min Four Activate Window Delay Time"); |
| PRINT_NXS(30, spd->opt_features, |
| "opt_features SDRAM Optional Features"); |
| PRINT_NXS(31, spd->therm_ref_opt, |
| "therm_ref_opt SDRAM Thermal and Refresh Opts"); |
| PRINT_NXS(32, spd->therm_sensor, |
| "therm_sensor SDRAM Thermal Sensor"); |
| PRINT_NXS(33, spd->device_type, |
| "device_type SDRAM Device Type"); |
| PRINT_NXS(34, spd->fine_tCK_min, |
| "fine_tCK_min Fine offset for tCKmin"); |
| PRINT_NXS(35, spd->fine_tAA_min, |
| "fine_tAA_min Fine offset for tAAmin"); |
| PRINT_NXS(36, spd->fine_tRCD_min, |
| "fine_tRCD_min Fine offset for tRCDmin"); |
| PRINT_NXS(37, spd->fine_tRP_min, |
| "fine_tRP_min Fine offset for tRPmin"); |
| PRINT_NXS(38, spd->fine_tRC_min, |
| "fine_tRC_min Fine offset for tRCmin"); |
| |
| printf("%-3d-%3d: ", 39, 59); /* Reserved, General Section */ |
| |
| for (i = 39; i <= 59; i++) |
| printf("%02x ", spd->res_39_59[i - 39]); |
| |
| puts("\n"); |
| |
| switch (spd->module_type) { |
| case 0x02: /* UDIMM */ |
| case 0x03: /* SO-DIMM */ |
| case 0x04: /* Micro-DIMM */ |
| case 0x06: /* Mini-UDIMM */ |
| PRINT_NXS(60, spd->mod_section.unbuffered.mod_height, |
| "mod_height (Unbuffered) Module Nominal Height"); |
| PRINT_NXS(61, spd->mod_section.unbuffered.mod_thickness, |
| "mod_thickness (Unbuffered) Module Maximum Thickness"); |
| PRINT_NXS(62, spd->mod_section.unbuffered.ref_raw_card, |
| "ref_raw_card (Unbuffered) Reference Raw Card Used"); |
| PRINT_NXS(63, spd->mod_section.unbuffered.addr_mapping, |
| "addr_mapping (Unbuffered) Address mapping from " |
| "Edge Connector to DRAM"); |
| break; |
| case 0x01: /* RDIMM */ |
| case 0x05: /* Mini-RDIMM */ |
| PRINT_NXS(60, spd->mod_section.registered.mod_height, |
| "mod_height (Registered) Module Nominal Height"); |
| PRINT_NXS(61, spd->mod_section.registered.mod_thickness, |
| "mod_thickness (Registered) Module Maximum Thickness"); |
| PRINT_NXS(62, spd->mod_section.registered.ref_raw_card, |
| "ref_raw_card (Registered) Reference Raw Card Used"); |
| PRINT_NXS(63, spd->mod_section.registered.modu_attr, |
| "modu_attr (Registered) DIMM Module Attributes"); |
| PRINT_NXS(64, spd->mod_section.registered.thermal, |
| "thermal (Registered) Thermal Heat " |
| "Spreader Solution"); |
| PRINT_NXS(65, spd->mod_section.registered.reg_id_lo, |
| "reg_id_lo (Registered) Register Manufacturer ID " |
| "Code, LSB"); |
| PRINT_NXS(66, spd->mod_section.registered.reg_id_hi, |
| "reg_id_hi (Registered) Register Manufacturer ID " |
| "Code, MSB"); |
| PRINT_NXS(67, spd->mod_section.registered.reg_rev, |
| "reg_rev (Registered) Register " |
| "Revision Number"); |
| PRINT_NXS(68, spd->mod_section.registered.reg_type, |
| "reg_type (Registered) Register Type"); |
| for (i = 69; i <= 76; i++) { |
| printf("%-3d : %02x rcw[%d]\n", i, |
| spd->mod_section.registered.rcw[i-69], i-69); |
| } |
| break; |
| default: |
| /* Module-specific Section, Unsupported Module Type */ |
| printf("%-3d-%3d: ", 60, 116); |
| |
| for (i = 60; i <= 116; i++) |
| printf("%02x", spd->mod_section.uc[i - 60]); |
| |
| break; |
| } |
| |
| /* Unique Module ID: Bytes 117-125 */ |
| PRINT_NXS(117, spd->mmid_lsb, "Module MfgID Code LSB - JEP-106"); |
| PRINT_NXS(118, spd->mmid_msb, "Module MfgID Code MSB - JEP-106"); |
| PRINT_NXS(119, spd->mloc, "Mfg Location"); |
| PRINT_NNXXS(120, 121, spd->mdate[0], spd->mdate[1], "Mfg Date"); |
| |
| printf("%-3d-%3d: ", 122, 125); |
| |
| for (i = 122; i <= 125; i++) |
| printf("%02x ", spd->sernum[i - 122]); |
| printf(" Module Serial Number\n"); |
| |
| /* CRC: Bytes 126-127 */ |
| PRINT_NNXXS(126, 127, spd->crc[0], spd->crc[1], " SPD CRC"); |
| |
| /* Other Manufacturer Fields and User Space: Bytes 128-255 */ |
| printf("%-3d-%3d: ", 128, 145); |
| for (i = 128; i <= 145; i++) |
| printf("%02x ", spd->mpart[i - 128]); |
| printf(" Mfg's Module Part Number\n"); |
| |
| PRINT_NNXXS(146, 147, spd->mrev[0], spd->mrev[1], |
| "Module Revision code"); |
| |
| PRINT_NXS(148, spd->dmid_lsb, "DRAM MfgID Code LSB - JEP-106"); |
| PRINT_NXS(149, spd->dmid_msb, "DRAM MfgID Code MSB - JEP-106"); |
| |
| printf("%-3d-%3d: ", 150, 175); |
| for (i = 150; i <= 175; i++) |
| printf("%02x ", spd->msd[i - 150]); |
| printf(" Mfg's Specific Data\n"); |
| |
| printf("%-3d-%3d: ", 176, 255); |
| for (i = 176; i <= 255; i++) |
| printf("%02x", spd->cust[i - 176]); |
| printf(" Mfg's Specific Data\n"); |
| |
| } |
| #endif |
| |
| static inline void generic_spd_dump(const generic_spd_eeprom_t *spd) |
| { |
| #if defined(CONFIG_FSL_DDR1) |
| ddr1_spd_dump(spd); |
| #elif defined(CONFIG_FSL_DDR2) |
| ddr2_spd_dump(spd); |
| #elif defined(CONFIG_FSL_DDR3) |
| ddr3_spd_dump(spd); |
| #endif |
| } |
| |
| static void fsl_ddr_printinfo(const fsl_ddr_info_t *pinfo, |
| unsigned int ctrl_mask, |
| unsigned int dimm_mask, |
| unsigned int do_mask) |
| { |
| unsigned int i, j, retval; |
| |
| /* STEP 1: DIMM SPD data */ |
| if (do_mask & STEP_GET_SPD) { |
| for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { |
| if (!(ctrl_mask & (1 << i))) |
| continue; |
| |
| for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) { |
| if (!(dimm_mask & (1 << j))) |
| continue; |
| |
| printf("SPD info: Controller=%u " |
| "DIMM=%u\n", i, j); |
| generic_spd_dump( |
| &(pinfo->spd_installed_dimms[i][j])); |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| |
| /* STEP 2: DIMM Parameters */ |
| if (do_mask & STEP_COMPUTE_DIMM_PARMS) { |
| for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { |
| if (!(ctrl_mask & (1 << i))) |
| continue; |
| for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) { |
| if (!(dimm_mask & (1 << j))) |
| continue; |
| printf("DIMM parameters: Controller=%u " |
| "DIMM=%u\n", i, j); |
| print_dimm_parameters( |
| &(pinfo->dimm_params[i][j])); |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| |
| /* STEP 3: Common Parameters */ |
| if (do_mask & STEP_COMPUTE_COMMON_PARMS) { |
| for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { |
| if (!(ctrl_mask & (1 << i))) |
| continue; |
| printf("\"lowest common\" DIMM parameters: " |
| "Controller=%u\n", i); |
| print_lowest_common_dimm_parameters( |
| &pinfo->common_timing_params[i]); |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| |
| /* STEP 4: User Configuration Options */ |
| if (do_mask & STEP_GATHER_OPTS) { |
| for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { |
| if (!(ctrl_mask & (1 << i))) |
| continue; |
| printf("User Config Options: Controller=%u\n", i); |
| print_memctl_options(&pinfo->memctl_opts[i]); |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| |
| /* STEP 5: Address assignment */ |
| if (do_mask & STEP_ASSIGN_ADDRESSES) { |
| for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { |
| if (!(ctrl_mask & (1 << i))) |
| continue; |
| for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) { |
| printf("Address Assignment: Controller=%u " |
| "DIMM=%u\n", i, j); |
| printf("Don't have this functionality yet\n"); |
| } |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| |
| /* STEP 6: computed controller register values */ |
| if (do_mask & STEP_COMPUTE_REGS) { |
| for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { |
| if (!(ctrl_mask & (1 << i))) |
| continue; |
| printf("Computed Register Values: Controller=%u\n", i); |
| print_fsl_memctl_config_regs( |
| &pinfo->fsl_ddr_config_reg[i]); |
| retval = check_fsl_memctl_config_regs( |
| &pinfo->fsl_ddr_config_reg[i]); |
| if (retval) { |
| printf("check_fsl_memctl_config_regs " |
| "result = %u\n", retval); |
| } |
| printf("\n"); |
| } |
| printf("\n"); |
| } |
| } |
| |
| struct data_strings { |
| const char *data_name; |
| unsigned int step_mask; |
| unsigned int dimm_number_required; |
| }; |
| |
| #define DATA_OPTIONS(name, step, dimm) {#name, step, dimm} |
| |
| unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo) |
| { |
| unsigned long long ddrsize; |
| const char *prompt = "FSL DDR>"; |
| char buffer[CONFIG_SYS_CBSIZE]; |
| char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */ |
| int argc; |
| unsigned int next_step = STEP_GET_SPD; |
| static const struct data_strings options[] = { |
| DATA_OPTIONS(spd, STEP_GET_SPD, 1), |
| DATA_OPTIONS(dimmparms, STEP_COMPUTE_DIMM_PARMS, 1), |
| DATA_OPTIONS(commonparms, STEP_COMPUTE_COMMON_PARMS, 0), |
| DATA_OPTIONS(opts, STEP_GATHER_OPTS, 0), |
| DATA_OPTIONS(addresses, STEP_ASSIGN_ADDRESSES, 0), |
| DATA_OPTIONS(regs, STEP_COMPUTE_REGS, 0), |
| }; |
| static const unsigned int n_opts = ARRAY_SIZE(options); |
| const char *usage = { |
| "commands:\n" |
| "print print SPD and intermediate computed data\n" |
| "reset reboot machine\n" |
| "recompute reload SPD and options to default and recompute regs\n" |
| "edit modify spd, parameter, or option\n" |
| "compute recompute registers from current next_step to end\n" |
| "next_step shows current next_step\n" |
| "help this message\n" |
| "go program the memory controller and continue with u-boot\n" |
| }; |
| |
| /* |
| * The strategy for next_step is that it points to the next |
| * step in the computation process that needs to be done. |
| */ |
| while (1) { |
| /* |
| * No need to worry for buffer overflow here in |
| * this function; readline() maxes out at CFG_CBSIZE |
| */ |
| readline_into_buffer(prompt, buffer, 0); |
| argc = parse_line(buffer, argv); |
| if (argc == 0) |
| continue; |
| |
| |
| if (strcmp(argv[0], "help") == 0) { |
| puts(usage); |
| continue; |
| } |
| |
| if (strcmp(argv[0], "next_step") == 0) { |
| printf("next_step = 0x%02X (%s)\n", |
| next_step, |
| step_to_string(next_step)); |
| continue; |
| } |
| |
| if (strcmp(argv[0], "edit") == 0) { |
| unsigned int i, j; |
| unsigned int error = 0; |
| unsigned int step_mask = 0; |
| unsigned int ctlr_mask = 0; |
| unsigned int dimm_mask = 0; |
| char *p_element = NULL; |
| char *p_value = NULL; |
| unsigned int dimm_number_required = 0; |
| unsigned int ctrl_num; |
| unsigned int dimm_num; |
| unsigned int matched = 0; |
| |
| if (argc == 1) { |
| /* Only the element and value must be last */ |
| printf("edit <c#> <d#> " |
| "<spd|dimmparms|commonparms|opts|" |
| "addresses|regs> <element> <value>\n"); |
| printf("for spd, specify byte number for " |
| "element\n"); |
| continue; |
| } |
| |
| for (i = 1; i < argc - 2; i++) { |
| for (j = 0; j < n_opts; j++) { |
| if (strcmp(options[j].data_name, |
| argv[i]) != 0) |
| continue; |
| step_mask |= options[j].step_mask; |
| dimm_number_required = |
| options[j].dimm_number_required; |
| matched = 1; |
| break; |
| } |
| |
| if (matched) |
| continue; |
| |
| if (argv[i][0] == 'c') { |
| char c = argv[i][1]; |
| if (isdigit(c)) |
| ctlr_mask |= 1 << (c - '0'); |
| continue; |
| } |
| |
| if (argv[i][0] == 'd') { |
| char c = argv[i][1]; |
| if (isdigit(c)) |
| dimm_mask |= 1 << (c - '0'); |
| continue; |
| } |
| |
| printf("unknown arg %s\n", argv[i]); |
| step_mask = 0; |
| error = 1; |
| break; |
| } |
| |
| |
| if (error) |
| continue; |
| |
| |
| /* Check arguments */ |
| |
| /* ERROR: If no steps were found */ |
| if (step_mask == 0) { |
| printf("Error: No valid steps were specified " |
| "in argument.\n"); |
| continue; |
| } |
| |
| /* ERROR: If multiple steps were found */ |
| if (step_mask & (step_mask - 1)) { |
| printf("Error: Multiple steps specified in " |
| "argument.\n"); |
| continue; |
| } |
| |
| /* ERROR: Controller not specified */ |
| if (ctlr_mask == 0) { |
| printf("Error: controller number not " |
| "specified or no element and " |
| "value specified\n"); |
| continue; |
| } |
| |
| if (ctlr_mask & (ctlr_mask - 1)) { |
| printf("Error: multiple controllers " |
| "specified, %X\n", ctlr_mask); |
| continue; |
| } |
| |
| /* ERROR: DIMM number not specified */ |
| if (dimm_number_required && dimm_mask == 0) { |
| printf("Error: DIMM number number not " |
| "specified or no element and " |
| "value specified\n"); |
| continue; |
| } |
| |
| if (dimm_mask & (dimm_mask - 1)) { |
| printf("Error: multipled DIMMs specified\n"); |
| continue; |
| } |
| |
| p_element = argv[argc - 2]; |
| p_value = argv[argc - 1]; |
| |
| ctrl_num = __ilog2(ctlr_mask); |
| dimm_num = __ilog2(dimm_mask); |
| |
| switch (step_mask) { |
| case STEP_GET_SPD: |
| { |
| unsigned int element_num; |
| unsigned int value; |
| |
| element_num = simple_strtoul(p_element, |
| NULL, 0); |
| value = simple_strtoul(p_value, |
| NULL, 0); |
| fsl_ddr_spd_edit(pinfo, |
| ctrl_num, |
| dimm_num, |
| element_num, |
| value); |
| next_step = STEP_COMPUTE_DIMM_PARMS; |
| } |
| break; |
| |
| case STEP_COMPUTE_DIMM_PARMS: |
| fsl_ddr_dimm_parameters_edit( |
| pinfo, ctrl_num, dimm_num, |
| p_element, p_value); |
| next_step = STEP_COMPUTE_COMMON_PARMS; |
| break; |
| |
| case STEP_COMPUTE_COMMON_PARMS: |
| lowest_common_dimm_parameters_edit(pinfo, |
| ctrl_num, p_element, p_value); |
| next_step = STEP_GATHER_OPTS; |
| break; |
| |
| case STEP_GATHER_OPTS: |
| fsl_ddr_options_edit(pinfo, ctrl_num, |
| p_element, p_value); |
| next_step = STEP_ASSIGN_ADDRESSES; |
| break; |
| |
| case STEP_ASSIGN_ADDRESSES: |
| printf("editing of address assignment " |
| "not yet implemented\n"); |
| break; |
| |
| case STEP_COMPUTE_REGS: |
| { |
| fsl_ddr_regs_edit(pinfo, |
| ctrl_num, |
| p_element, |
| p_value); |
| next_step = STEP_PROGRAM_REGS; |
| } |
| break; |
| |
| default: |
| printf("programming error\n"); |
| while (1) |
| ; |
| break; |
| } |
| continue; |
| } |
| |
| if (strcmp(argv[0], "reset") == 0) { |
| /* |
| * Reboot machine. |
| * Args don't seem to matter because this |
| * doesn't return |
| */ |
| do_reset(NULL, 0, 0, NULL); |
| printf("Reset didn't work\n"); |
| } |
| |
| if (strcmp(argv[0], "recompute") == 0) { |
| /* |
| * Recalculate everything, starting with |
| * loading SPD EEPROM from DIMMs |
| */ |
| next_step = STEP_GET_SPD; |
| ddrsize = fsl_ddr_compute(pinfo, next_step, 0); |
| continue; |
| } |
| |
| if (strcmp(argv[0], "compute") == 0) { |
| /* |
| * Compute rest of steps starting at |
| * the current next_step/ |
| */ |
| ddrsize = fsl_ddr_compute(pinfo, next_step, 0); |
| continue; |
| } |
| |
| if (strcmp(argv[0], "print") == 0) { |
| unsigned int i, j; |
| unsigned int error = 0; |
| unsigned int step_mask = 0; |
| unsigned int ctlr_mask = 0; |
| unsigned int dimm_mask = 0; |
| unsigned int matched = 0; |
| |
| if (argc == 1) { |
| printf("print [c<n>] [d<n>] [spd] [dimmparms] " |
| "[commonparms] [opts] [addresses] [regs]\n"); |
| continue; |
| } |
| |
| for (i = 1; i < argc; i++) { |
| for (j = 0; j < n_opts; j++) { |
| if (strcmp(options[j].data_name, |
| argv[i]) != 0) |
| continue; |
| step_mask |= options[j].step_mask; |
| matched = 1; |
| break; |
| } |
| |
| if (matched) |
| continue; |
| |
| if (argv[i][0] == 'c') { |
| char c = argv[i][1]; |
| if (isdigit(c)) |
| ctlr_mask |= 1 << (c - '0'); |
| continue; |
| } |
| |
| if (argv[i][0] == 'd') { |
| char c = argv[i][1]; |
| if (isdigit(c)) |
| dimm_mask |= 1 << (c - '0'); |
| continue; |
| } |
| |
| printf("unknown arg %s\n", argv[i]); |
| step_mask = 0; |
| error = 1; |
| break; |
| } |
| |
| if (error) |
| continue; |
| |
| /* If no particular controller was found, print all */ |
| if (ctlr_mask == 0) |
| ctlr_mask = 0xFF; |
| |
| /* If no particular dimm was found, print all dimms. */ |
| if (dimm_mask == 0) |
| dimm_mask = 0xFF; |
| |
| /* If no steps were found, print all steps. */ |
| if (step_mask == 0) |
| step_mask = STEP_ALL; |
| |
| fsl_ddr_printinfo(pinfo, ctlr_mask, |
| dimm_mask, step_mask); |
| continue; |
| } |
| |
| if (strcmp(argv[0], "go") == 0) { |
| if (next_step) |
| ddrsize = fsl_ddr_compute(pinfo, next_step, 0); |
| break; |
| } |
| |
| printf("unknown command %s\n", argv[0]); |
| } |
| |
| debug("end of memory = %llu\n", (u64)ddrsize); |
| |
| return ddrsize; |
| } |
