soc/mediatek/mt8192: Do dramc init settings
Signed-off-by: Huayang Duan <huayang.duan@mediatek.com> Change-Id: Ie4877b69de1bfa4ff981d8eb386efbddb9e0f5c2 Reviewed-on: https://review.coreboot.org/c/coreboot/+/44700 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Hung-Te Lin <hungte@chromium.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
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@ -25,6 +25,7 @@ verstage-y += ../common/uart.c
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romstage-y += ../common/auxadc.c
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romstage-y += ../common/cbmem.c
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romstage-y += dramc_pi_main.c dramc_pi_basic_api.c dramc_utility.c
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romstage-y += emi.c
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romstage-y += flash_controller.c
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romstage-y += ../common/gpio.c gpio.c
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@ -0,0 +1,11 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <soc/dramc_pi_api.h>
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void global_option_init(struct ddr_cali *cali)
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{
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}
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void dfs_init_for_calibration(const struct ddr_cali *cali)
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{
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}
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@ -0,0 +1,58 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <soc/dramc_pi_api.h>
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#include <soc/dramc_register.h>
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#include <soc/regulator.h>
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static void set_vcore_voltage(const struct ddr_cali *cali)
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{
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u32 vcore = get_vcore_value(cali);
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dramc_info("Set DRAM vcore voltage to %u\n", vcore);
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mainboard_set_regulator_vol(MTK_REGULATOR_VCORE, vcore);
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}
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static void dramc_calibration_all_channels(struct ddr_cali *cali)
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{
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}
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void init_dram(const struct dramc_data *dparam)
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{
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u32 bc_bak;
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u8 k_shuffle, k_shuffle_end;
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u8 pll_mode = 0;
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bool first_freq_k = true;
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struct ddr_cali cali = {0};
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struct mr_values mr_value;
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const struct ddr_base_info *ddr_info = &dparam->ddr_info;
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cali.pll_mode = &pll_mode;
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cali.mr_value = &mr_value;
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cali.support_ranks = ddr_info->support_ranks;
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cali.cbt_mode[RANK_0] = ddr_info->cbt_mode[RANK_0];
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cali.cbt_mode[RANK_1] = ddr_info->cbt_mode[RANK_1];
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cali.emi_config = &ddr_info->emi_config;
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dramc_set_broadcast(DRAMC_BROADCAST_ON);
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global_option_init(&cali);
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bc_bak = dramc_get_broadcast();
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dramc_set_broadcast(DRAMC_BROADCAST_OFF);
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dramc_set_broadcast(bc_bak);
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if (ddr_info->config_dvfs == DRAMC_ENABLE_DVFS)
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k_shuffle_end = CALI_SEQ_MAX;
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else
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k_shuffle_end = CALI_SEQ1;
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for (k_shuffle = CALI_SEQ0; k_shuffle < k_shuffle_end; k_shuffle++) {
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set_cali_datas(&cali, dparam, k_shuffle);
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set_vcore_voltage(&cali);
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dfs_init_for_calibration(&cali);
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dramc_calibration_all_channels(&cali);
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first_freq_k = false;
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}
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}
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@ -0,0 +1,167 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <soc/dramc_pi_api.h>
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#include <soc/dramc_register.h>
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#include <soc/infracfg.h>
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struct dfs_frequency_table {
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u32 frequency;
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dram_freq_grp freq_group;
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dram_div_mode div_mode;
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dram_dfs_shu shuffle_saved;
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vref_cali_mode vref_cali;
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u32 vcore;
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};
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static const struct dfs_frequency_table freq_shuffle_table[DRAM_DFS_SHU_MAX] = {
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[CALI_SEQ0] = {800, DDRFREQ_800, DIV8_MODE, DRAM_DFS_SHU4, VREF_CALI_ON, 650000},
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[CALI_SEQ1] = {1200, DDRFREQ_1200, DIV8_MODE, DRAM_DFS_SHU2, VREF_CALI_ON, 662500},
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[CALI_SEQ2] = {600, DDRFREQ_600, DIV8_MODE, DRAM_DFS_SHU5, VREF_CALI_OFF, 650000},
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[CALI_SEQ3] = {933, DDRFREQ_933, DIV8_MODE, DRAM_DFS_SHU3, VREF_CALI_OFF, 662500},
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[CALI_SEQ4] = {400, DDRFREQ_400, DIV4_MODE, DRAM_DFS_SHU6, VREF_CALI_OFF, 650000},
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[CALI_SEQ5] = {2133, DDRFREQ_2133, DIV8_MODE, DRAM_DFS_SHU0, VREF_CALI_ON, 725000},
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[CALI_SEQ6] = {1600, DDRFREQ_1600, DIV8_MODE, DRAM_DFS_SHU1, VREF_CALI_OFF, 687500},
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};
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void dramc_set_broadcast(u32 onoff)
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{
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write32(&mt8192_infracfg->dramc_wbr, onoff);
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}
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u32 dramc_get_broadcast(void)
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{
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return read32(&mt8192_infracfg->dramc_wbr);
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}
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u8 get_fsp(const struct ddr_cali *cali)
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{
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return cali->fsp;
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}
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dram_div_mode get_div_mode(const struct ddr_cali *cali)
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{
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return cali->div_mode;
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}
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dram_freq_grp get_freq_group(const struct ddr_cali *cali)
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{
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return cali->freq_group;
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}
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dbi_mode get_write_dbi(const struct ddr_cali *cali)
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{
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return cali->w_dbi[get_fsp(cali)];
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}
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dram_odt_state get_odt_state(const struct ddr_cali *cali)
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{
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return cali->odt_onoff;
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}
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dram_dfs_shu get_shu(const struct ddr_cali *cali)
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{
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return cali->shu;
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}
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dram_cbt_mode get_cbt_mode(const struct ddr_cali *cali)
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{
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return cali->cbt_mode[cali->rank];
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}
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u32 get_vcore_value(const struct ddr_cali *cali)
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{
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return cali->vcore_voltage;
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}
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u32 get_frequency(const struct ddr_cali *cali)
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{
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return cali->frequency;
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}
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vref_cali_mode get_vref_cali(const struct ddr_cali *cali)
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{
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return cali->vref_cali;
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}
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dram_pinmux_type get_pinmux_type(const struct ddr_cali *cali)
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{
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return cali->pinmux_type;
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}
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u8 get_mck2ui_div_shift(const struct ddr_cali *cali)
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{
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if (get_div_mode(cali) == DIV4_MODE)
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return 2;
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else
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return 3;
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}
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dram_dfs_shu get_shu_save_by_k_shu(dram_cali_seq k_shu)
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{
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return freq_shuffle_table[k_shu].shuffle_saved;
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}
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dram_freq_grp get_freq_group_by_shu_save(dram_dfs_shu shu)
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{
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for (u8 k_shu = CALI_SEQ0; k_shu < CALI_SEQ_MAX; k_shu++)
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if (freq_shuffle_table[k_shu].shuffle_saved == shu)
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return freq_shuffle_table[k_shu].freq_group;
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dramc_err("Invalid shuffle: %d\n", shu);
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return DDRFREQ_800;
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}
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u32 get_frequency_by_shu(dram_dfs_shu shu)
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{
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for (u8 k_shu = CALI_SEQ0; k_shu < CALI_SEQ_MAX; k_shu++)
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if (freq_shuffle_table[k_shu].shuffle_saved == shu)
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return freq_shuffle_table[k_shu].frequency;
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dramc_err("Invalid shuffle: %d, using k_shu = %d\n", shu, CALI_SEQ0);
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return freq_shuffle_table[CALI_SEQ0].frequency;
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}
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dram_freq_grp get_highest_freq_group(void)
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{
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dram_freq_grp highest_freq = DDRFREQ_800;
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for (u8 k_shu = CALI_SEQ0; k_shu < CALI_SEQ_MAX; k_shu++)
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if (freq_shuffle_table[k_shu].freq_group > highest_freq)
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highest_freq = freq_shuffle_table[k_shu].freq_group;
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dramc_dbg("Highest freq is: %d\n", highest_freq);
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return highest_freq;
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}
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void set_cali_datas(struct ddr_cali *cali, const struct dramc_data *dparam, dram_cali_seq k_shu)
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{
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const struct dfs_frequency_table *shuffle = &freq_shuffle_table[k_shu];
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cali->chn = CHANNEL_A;
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cali->rank = RANK_0;
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cali->fsp = (shuffle->freq_group < DDRFREQ_1600) ? FSP_0 : FSP_1;
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cali->w_dbi[FSP_0] = DBI_OFF;
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cali->w_dbi[FSP_1] = DBI_ON;
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cali->frequency = shuffle->frequency;
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cali->freq_group = shuffle->freq_group;
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cali->div_mode = shuffle->div_mode;
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cali->shu = shuffle->shuffle_saved;
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cali->vref_cali = shuffle->vref_cali;
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cali->vcore_voltage = shuffle->vcore;
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cali->odt_onoff = (cali->fsp == FSP_0) ? ODT_OFF : ODT_ON;
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cali->params = &dparam->freq_params[cali->shu];
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dramc_dbg("cali data (size: %ld) fsp: %d, freq_group: %d, div_mode: %d, "
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"shu: %d, vref_cali: %d, odt_onoff: %d, vcore: %d\n",
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sizeof(*cali), cali->fsp, cali->freq_group, cali->div_mode, cali->shu,
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cali->vref_cali, cali->odt_onoff, cali->vcore_voltage);
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}
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void dramc_auto_refresh_switch(u8 chn, bool enable)
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{
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SET32_BITFIELDS(&ch[chn].ao.refctrl0, REFCTRL0_REFDIS, enable ? 0 : 1);
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if (!enable)
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udelay(READ32_BITFIELD(&ch[chn].nao.misc_statusa,
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MISC_STATUSA_REFRESH_QUEUE_CNT));
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}
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@ -1,6 +1,6 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <soc/emi.h>
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#include <soc/dramc_pi_api.h>
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size_t sdram_size(void)
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{
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@ -11,4 +11,5 @@ size_t sdram_size(void)
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void mt_set_emi(const struct dramc_data *dparam)
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{
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init_dram(dparam);
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}
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