diff options
author | Huayang Duan <huayang.duan@mediatek.com> | 2020-06-23 09:50:01 +0800 |
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committer | Hung-Te Lin <hungte@chromium.org> | 2020-12-16 06:28:34 +0000 |
commit | c1ce6f80c44b19fccf95f6e5a2f0a33d19a41115 (patch) | |
tree | 7423860fe96b75fb45399cadc3c6b51c13048fee /src/soc/mediatek | |
parent | 1ad7bc4c607f80523ab6ed9b7663728af2b4cef9 (diff) | |
download | coreboot-c1ce6f80c44b19fccf95f6e5a2f0a33d19a41115.tar.xz |
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>
Diffstat (limited to 'src/soc/mediatek')
-rw-r--r-- | src/soc/mediatek/mt8192/Makefile.inc | 1 | ||||
-rw-r--r-- | src/soc/mediatek/mt8192/dramc_pi_basic_api.c | 11 | ||||
-rw-r--r-- | src/soc/mediatek/mt8192/dramc_pi_main.c | 58 | ||||
-rw-r--r-- | src/soc/mediatek/mt8192/dramc_utility.c | 167 | ||||
-rw-r--r-- | src/soc/mediatek/mt8192/emi.c | 3 |
5 files changed, 239 insertions, 1 deletions
diff --git a/src/soc/mediatek/mt8192/Makefile.inc b/src/soc/mediatek/mt8192/Makefile.inc index cf09b3cf65..1f70e4318e 100644 --- a/src/soc/mediatek/mt8192/Makefile.inc +++ b/src/soc/mediatek/mt8192/Makefile.inc @@ -25,6 +25,7 @@ verstage-y += ../common/uart.c romstage-y += ../common/auxadc.c romstage-y += ../common/cbmem.c +romstage-y += dramc_pi_main.c dramc_pi_basic_api.c dramc_utility.c romstage-y += emi.c romstage-y += flash_controller.c romstage-y += ../common/gpio.c gpio.c diff --git a/src/soc/mediatek/mt8192/dramc_pi_basic_api.c b/src/soc/mediatek/mt8192/dramc_pi_basic_api.c new file mode 100644 index 0000000000..aacb1ef3fd --- /dev/null +++ b/src/soc/mediatek/mt8192/dramc_pi_basic_api.c @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <soc/dramc_pi_api.h> + +void global_option_init(struct ddr_cali *cali) +{ +} + +void dfs_init_for_calibration(const struct ddr_cali *cali) +{ +} diff --git a/src/soc/mediatek/mt8192/dramc_pi_main.c b/src/soc/mediatek/mt8192/dramc_pi_main.c new file mode 100644 index 0000000000..a2a4dea1c4 --- /dev/null +++ b/src/soc/mediatek/mt8192/dramc_pi_main.c @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <soc/dramc_pi_api.h> +#include <soc/dramc_register.h> +#include <soc/regulator.h> + +static void set_vcore_voltage(const struct ddr_cali *cali) +{ + u32 vcore = get_vcore_value(cali); + + dramc_info("Set DRAM vcore voltage to %u\n", vcore); + mainboard_set_regulator_vol(MTK_REGULATOR_VCORE, vcore); +} + +static void dramc_calibration_all_channels(struct ddr_cali *cali) +{ +} + +void init_dram(const struct dramc_data *dparam) +{ + u32 bc_bak; + u8 k_shuffle, k_shuffle_end; + u8 pll_mode = 0; + bool first_freq_k = true; + + struct ddr_cali cali = {0}; + struct mr_values mr_value; + const struct ddr_base_info *ddr_info = &dparam->ddr_info; + + cali.pll_mode = &pll_mode; + cali.mr_value = &mr_value; + cali.support_ranks = ddr_info->support_ranks; + cali.cbt_mode[RANK_0] = ddr_info->cbt_mode[RANK_0]; + cali.cbt_mode[RANK_1] = ddr_info->cbt_mode[RANK_1]; + cali.emi_config = &ddr_info->emi_config; + + dramc_set_broadcast(DRAMC_BROADCAST_ON); + + global_option_init(&cali); + bc_bak = dramc_get_broadcast(); + dramc_set_broadcast(DRAMC_BROADCAST_OFF); + dramc_set_broadcast(bc_bak); + + if (ddr_info->config_dvfs == DRAMC_ENABLE_DVFS) + k_shuffle_end = CALI_SEQ_MAX; + else + k_shuffle_end = CALI_SEQ1; + + for (k_shuffle = CALI_SEQ0; k_shuffle < k_shuffle_end; k_shuffle++) { + set_cali_datas(&cali, dparam, k_shuffle); + set_vcore_voltage(&cali); + dfs_init_for_calibration(&cali); + + dramc_calibration_all_channels(&cali); + + first_freq_k = false; + } +} diff --git a/src/soc/mediatek/mt8192/dramc_utility.c b/src/soc/mediatek/mt8192/dramc_utility.c new file mode 100644 index 0000000000..71a7eb6920 --- /dev/null +++ b/src/soc/mediatek/mt8192/dramc_utility.c @@ -0,0 +1,167 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <soc/dramc_pi_api.h> +#include <soc/dramc_register.h> +#include <soc/infracfg.h> + +struct dfs_frequency_table { + u32 frequency; + dram_freq_grp freq_group; + dram_div_mode div_mode; + dram_dfs_shu shuffle_saved; + vref_cali_mode vref_cali; + u32 vcore; +}; + +static const struct dfs_frequency_table freq_shuffle_table[DRAM_DFS_SHU_MAX] = { + [CALI_SEQ0] = {800, DDRFREQ_800, DIV8_MODE, DRAM_DFS_SHU4, VREF_CALI_ON, 650000}, + [CALI_SEQ1] = {1200, DDRFREQ_1200, DIV8_MODE, DRAM_DFS_SHU2, VREF_CALI_ON, 662500}, + [CALI_SEQ2] = {600, DDRFREQ_600, DIV8_MODE, DRAM_DFS_SHU5, VREF_CALI_OFF, 650000}, + [CALI_SEQ3] = {933, DDRFREQ_933, DIV8_MODE, DRAM_DFS_SHU3, VREF_CALI_OFF, 662500}, + [CALI_SEQ4] = {400, DDRFREQ_400, DIV4_MODE, DRAM_DFS_SHU6, VREF_CALI_OFF, 650000}, + [CALI_SEQ5] = {2133, DDRFREQ_2133, DIV8_MODE, DRAM_DFS_SHU0, VREF_CALI_ON, 725000}, + [CALI_SEQ6] = {1600, DDRFREQ_1600, DIV8_MODE, DRAM_DFS_SHU1, VREF_CALI_OFF, 687500}, +}; + +void dramc_set_broadcast(u32 onoff) +{ + write32(&mt8192_infracfg->dramc_wbr, onoff); +} + +u32 dramc_get_broadcast(void) +{ + return read32(&mt8192_infracfg->dramc_wbr); +} + +u8 get_fsp(const struct ddr_cali *cali) +{ + return cali->fsp; +} + +dram_div_mode get_div_mode(const struct ddr_cali *cali) +{ + return cali->div_mode; +} + +dram_freq_grp get_freq_group(const struct ddr_cali *cali) +{ + return cali->freq_group; +} + +dbi_mode get_write_dbi(const struct ddr_cali *cali) +{ + return cali->w_dbi[get_fsp(cali)]; +} + +dram_odt_state get_odt_state(const struct ddr_cali *cali) +{ + return cali->odt_onoff; +} + +dram_dfs_shu get_shu(const struct ddr_cali *cali) +{ + return cali->shu; +} + +dram_cbt_mode get_cbt_mode(const struct ddr_cali *cali) +{ + return cali->cbt_mode[cali->rank]; +} + +u32 get_vcore_value(const struct ddr_cali *cali) +{ + return cali->vcore_voltage; +} + +u32 get_frequency(const struct ddr_cali *cali) +{ + return cali->frequency; +} + +vref_cali_mode get_vref_cali(const struct ddr_cali *cali) +{ + return cali->vref_cali; +} + +dram_pinmux_type get_pinmux_type(const struct ddr_cali *cali) +{ + return cali->pinmux_type; +} + +u8 get_mck2ui_div_shift(const struct ddr_cali *cali) +{ + if (get_div_mode(cali) == DIV4_MODE) + return 2; + else + return 3; +} + +dram_dfs_shu get_shu_save_by_k_shu(dram_cali_seq k_shu) +{ + return freq_shuffle_table[k_shu].shuffle_saved; +} + +dram_freq_grp get_freq_group_by_shu_save(dram_dfs_shu shu) +{ + for (u8 k_shu = CALI_SEQ0; k_shu < CALI_SEQ_MAX; k_shu++) + if (freq_shuffle_table[k_shu].shuffle_saved == shu) + return freq_shuffle_table[k_shu].freq_group; + + dramc_err("Invalid shuffle: %d\n", shu); + return DDRFREQ_800; +} + +u32 get_frequency_by_shu(dram_dfs_shu shu) +{ + for (u8 k_shu = CALI_SEQ0; k_shu < CALI_SEQ_MAX; k_shu++) + if (freq_shuffle_table[k_shu].shuffle_saved == shu) + return freq_shuffle_table[k_shu].frequency; + + dramc_err("Invalid shuffle: %d, using k_shu = %d\n", shu, CALI_SEQ0); + return freq_shuffle_table[CALI_SEQ0].frequency; +} + +dram_freq_grp get_highest_freq_group(void) +{ + dram_freq_grp highest_freq = DDRFREQ_800; + + for (u8 k_shu = CALI_SEQ0; k_shu < CALI_SEQ_MAX; k_shu++) + if (freq_shuffle_table[k_shu].freq_group > highest_freq) + highest_freq = freq_shuffle_table[k_shu].freq_group; + + dramc_dbg("Highest freq is: %d\n", highest_freq); + return highest_freq; +} + +void set_cali_datas(struct ddr_cali *cali, const struct dramc_data *dparam, dram_cali_seq k_shu) +{ + const struct dfs_frequency_table *shuffle = &freq_shuffle_table[k_shu]; + + cali->chn = CHANNEL_A; + cali->rank = RANK_0; + cali->fsp = (shuffle->freq_group < DDRFREQ_1600) ? FSP_0 : FSP_1; + cali->w_dbi[FSP_0] = DBI_OFF; + cali->w_dbi[FSP_1] = DBI_ON; + cali->frequency = shuffle->frequency; + cali->freq_group = shuffle->freq_group; + cali->div_mode = shuffle->div_mode; + cali->shu = shuffle->shuffle_saved; + cali->vref_cali = shuffle->vref_cali; + cali->vcore_voltage = shuffle->vcore; + cali->odt_onoff = (cali->fsp == FSP_0) ? ODT_OFF : ODT_ON; + cali->params = &dparam->freq_params[cali->shu]; + + dramc_dbg("cali data (size: %ld) fsp: %d, freq_group: %d, div_mode: %d, " + "shu: %d, vref_cali: %d, odt_onoff: %d, vcore: %d\n", + sizeof(*cali), cali->fsp, cali->freq_group, cali->div_mode, cali->shu, + cali->vref_cali, cali->odt_onoff, cali->vcore_voltage); +} + +void dramc_auto_refresh_switch(u8 chn, bool enable) +{ + SET32_BITFIELDS(&ch[chn].ao.refctrl0, REFCTRL0_REFDIS, enable ? 0 : 1); + + if (!enable) + udelay(READ32_BITFIELD(&ch[chn].nao.misc_statusa, + MISC_STATUSA_REFRESH_QUEUE_CNT)); +} diff --git a/src/soc/mediatek/mt8192/emi.c b/src/soc/mediatek/mt8192/emi.c index 9e48918f66..f83acd36bc 100644 --- a/src/soc/mediatek/mt8192/emi.c +++ b/src/soc/mediatek/mt8192/emi.c @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ -#include <soc/emi.h> +#include <soc/dramc_pi_api.h> size_t sdram_size(void) { @@ -11,4 +11,5 @@ size_t sdram_size(void) void mt_set_emi(const struct dramc_data *dparam) { + init_dram(dparam); } |