diff options
Diffstat (limited to 'plat/mediatek/mt8195/drivers/spm/mt_spm_vcorefs.c')
| -rw-r--r-- | plat/mediatek/mt8195/drivers/spm/mt_spm_vcorefs.c | 526 |
1 files changed, 526 insertions, 0 deletions
diff --git a/plat/mediatek/mt8195/drivers/spm/mt_spm_vcorefs.c b/plat/mediatek/mt8195/drivers/spm/mt_spm_vcorefs.c new file mode 100644 index 000000000..6a85b5c88 --- /dev/null +++ b/plat/mediatek/mt8195/drivers/spm/mt_spm_vcorefs.c @@ -0,0 +1,526 @@ +/* + * Copyright (c) 2021, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#include <stddef.h> +#include <string.h> +#include <common/debug.h> +#include <lib/bakery_lock.h> +#include <lib/mmio.h> +#include <mt_spm.h> +#include <mt_spm_internal.h> +#include <mt_spm_pmic_wrap.h> +#include <mt_spm_reg.h> +#include <mt_spm_vcorefs.h> +#include <mtk_plat_common.h> +#include <mtk_sip_svc.h> +#include <platform_def.h> + +#define VCORE_MAX_OPP 4 +#define DRAM_MAX_OPP 7 + +static bool spm_dvfs_init_done; +static bool dvfs_enable_done; +static int vcore_opp_0_uv = 750000; +static int vcore_opp_1_uv = 650000; +static int vcore_opp_2_uv = 600000; +static int vcore_opp_3_uv = 550000; + +static struct reg_config dvfsrc_init_configs[] = { + { DVFSRC_HRT_REQ_UNIT, 0x0000001E }, + { DVFSRC_DEBOUNCE_TIME, 0x19651965 }, + { DVFSRC_TIMEOUT_NEXTREQ, 0x00000015 }, + { DVFSRC_LEVEL_MASK, 0x000EE000 }, + { DVFSRC_DDR_QOS0, 0x00000019 }, + { DVFSRC_DDR_QOS1, 0x00000026 }, + { DVFSRC_DDR_QOS2, 0x00000033 }, + { DVFSRC_DDR_QOS3, 0x0000003B }, + { DVFSRC_DDR_QOS4, 0x0000004C }, + { DVFSRC_DDR_QOS5, 0x00000066 }, + { DVFSRC_DDR_QOS6, 0x00660066 }, + { DVFSRC_LEVEL_LABEL_0_1, 0x50436053 }, + { DVFSRC_LEVEL_LABEL_2_3, 0x40335042 }, + { DVFSRC_LEVEL_LABEL_4_5, 0x40314032 }, + { DVFSRC_LEVEL_LABEL_6_7, 0x30223023 }, + { DVFSRC_LEVEL_LABEL_8_9, 0x20133021 }, + { DVFSRC_LEVEL_LABEL_10_11, 0x20112012 }, + { DVFSRC_LEVEL_LABEL_12_13, 0x10032010 }, + { DVFSRC_LEVEL_LABEL_14_15, 0x10011002 }, + { DVFSRC_LEVEL_LABEL_16_17, 0x00131000 }, + { DVFSRC_LEVEL_LABEL_18_19, 0x00110012 }, + { DVFSRC_LEVEL_LABEL_20_21, 0x00000010 }, + { DVFSRC_MD_LATENCY_IMPROVE, 0x00000040 }, + { DVFSRC_DDR_REQUEST, 0x00004321 }, + { DVFSRC_DDR_REQUEST3, 0x00000065 }, + { DVFSRC_DDR_ADD_REQUEST, 0x66543210 }, + { DVFSRC_HRT_REQUEST, 0x66654321 }, + { DVFSRC_DDR_REQUEST5, 0x54321000 }, + { DVFSRC_DDR_REQUEST7, 0x66000000 }, + { DVFSRC_VCORE_USER_REQ, 0x00010A29 }, + { DVFSRC_HRT_HIGH_3, 0x18A618A6 }, + { DVFSRC_HRT_HIGH_2, 0x18A61183 }, + { DVFSRC_HRT_HIGH_1, 0x0D690B80 }, + { DVFSRC_HRT_HIGH, 0x070804B0 }, + { DVFSRC_HRT_LOW_3, 0x18A518A5 }, + { DVFSRC_HRT_LOW_2, 0x18A51182 }, + { DVFSRC_HRT_LOW_1, 0x0D680B7F }, + { DVFSRC_HRT_LOW, 0x070704AF }, + { DVFSRC_BASIC_CONTROL_3, 0x00000006 }, + { DVFSRC_INT_EN, 0x00000002 }, + { DVFSRC_QOS_EN, 0x0000407C }, + { DVFSRC_HRT_BW_BASE, 0x00000004 }, + { DVFSRC_PCIE_VCORE_REQ, 0x65908101 }, + { DVFSRC_CURRENT_FORCE, 0x00000001 }, + { DVFSRC_BASIC_CONTROL, 0x6698444B }, + { DVFSRC_BASIC_CONTROL, 0x6698054B }, + { DVFSRC_CURRENT_FORCE, 0x00000000 }, +}; + +static struct pwr_ctrl vcorefs_ctrl = { + .wake_src = R12_REG_CPU_WAKEUP, + + /* default VCORE DVFS is disabled */ + .pcm_flags = (SPM_FLAG_RUN_COMMON_SCENARIO | + SPM_FLAG_DISABLE_VCORE_DVS | SPM_FLAG_DISABLE_VCORE_DFS), + + /* SPM_AP_STANDBY_CON */ + /* [0] */ + .reg_wfi_op = 0, + /* [1] */ + .reg_wfi_type = 0, + /* [2] */ + .reg_mp0_cputop_idle_mask = 0, + /* [3] */ + .reg_mp1_cputop_idle_mask = 0, + /* [4] */ + .reg_mcusys_idle_mask = 0, + /* [25] */ + .reg_md_apsrc_1_sel = 0, + /* [26] */ + .reg_md_apsrc_0_sel = 0, + /* [29] */ + .reg_conn_apsrc_sel = 0, + + /* SPM_SRC_REQ */ + /* [0] */ + .reg_spm_apsrc_req = 0, + /* [1] */ + .reg_spm_f26m_req = 0, + /* [3] */ + .reg_spm_infra_req = 0, + /* [4] */ + .reg_spm_vrf18_req = 0, + /* [7] FIXME: default disable HW Auto S1*/ + .reg_spm_ddr_en_req = 1, + /* [8] */ + .reg_spm_dvfs_req = 0, + /* [9] */ + .reg_spm_sw_mailbox_req = 0, + /* [10] */ + .reg_spm_sspm_mailbox_req = 0, + /* [11] */ + .reg_spm_adsp_mailbox_req = 0, + /* [12] */ + .reg_spm_scp_mailbox_req = 0, + + /* SPM_SRC_MASK */ + /* [0] */ + .reg_sspm_srcclkena_0_mask_b = 1, + /* [1] */ + .reg_sspm_infra_req_0_mask_b = 1, + /* [2] */ + .reg_sspm_apsrc_req_0_mask_b = 1, + /* [3] */ + .reg_sspm_vrf18_req_0_mask_b = 1, + /* [4] */ + .reg_sspm_ddr_en_0_mask_b = 1, + /* [5] */ + .reg_scp_srcclkena_mask_b = 1, + /* [6] */ + .reg_scp_infra_req_mask_b = 1, + /* [7] */ + .reg_scp_apsrc_req_mask_b = 1, + /* [8] */ + .reg_scp_vrf18_req_mask_b = 1, + /* [9] */ + .reg_scp_ddr_en_mask_b = 1, + /* [10] */ + .reg_audio_dsp_srcclkena_mask_b = 1, + /* [11] */ + .reg_audio_dsp_infra_req_mask_b = 1, + /* [12] */ + .reg_audio_dsp_apsrc_req_mask_b = 1, + /* [13] */ + .reg_audio_dsp_vrf18_req_mask_b = 1, + /* [14] */ + .reg_audio_dsp_ddr_en_mask_b = 1, + /* [15] */ + .reg_apu_srcclkena_mask_b = 1, + /* [16] */ + .reg_apu_infra_req_mask_b = 1, + /* [17] */ + .reg_apu_apsrc_req_mask_b = 1, + /* [18] */ + .reg_apu_vrf18_req_mask_b = 1, + /* [19] */ + .reg_apu_ddr_en_mask_b = 1, + /* [20] */ + .reg_cpueb_srcclkena_mask_b = 1, + /* [21] */ + .reg_cpueb_infra_req_mask_b = 1, + /* [22] */ + .reg_cpueb_apsrc_req_mask_b = 1, + /* [23] */ + .reg_cpueb_vrf18_req_mask_b = 1, + /* [24] */ + .reg_cpueb_ddr_en_mask_b = 1, + /* [25] */ + .reg_bak_psri_srcclkena_mask_b = 0, + /* [26] */ + .reg_bak_psri_infra_req_mask_b = 0, + /* [27] */ + .reg_bak_psri_apsrc_req_mask_b = 0, + /* [28] */ + .reg_bak_psri_vrf18_req_mask_b = 0, + /* [29] */ + .reg_bak_psri_ddr_en_mask_b = 0, + + /* SPM_SRC2_MASK */ + /* [0] */ + .reg_msdc0_srcclkena_mask_b = 1, + /* [1] */ + .reg_msdc0_infra_req_mask_b = 1, + /* [2] */ + .reg_msdc0_apsrc_req_mask_b = 1, + /* [3] */ + .reg_msdc0_vrf18_req_mask_b = 1, + /* [4] */ + .reg_msdc0_ddr_en_mask_b = 1, + /* [5] */ + .reg_msdc1_srcclkena_mask_b = 1, + /* [6] */ + .reg_msdc1_infra_req_mask_b = 1, + /* [7] */ + .reg_msdc1_apsrc_req_mask_b = 1, + /* [8] */ + .reg_msdc1_vrf18_req_mask_b = 1, + /* [9] */ + .reg_msdc1_ddr_en_mask_b = 1, + /* [10] */ + .reg_msdc2_srcclkena_mask_b = 1, + /* [11] */ + .reg_msdc2_infra_req_mask_b = 1, + /* [12] */ + .reg_msdc2_apsrc_req_mask_b = 1, + /* [13] */ + .reg_msdc2_vrf18_req_mask_b = 1, + /* [14] */ + .reg_msdc2_ddr_en_mask_b = 1, + /* [15] */ + .reg_ufs_srcclkena_mask_b = 1, + /* [16] */ + .reg_ufs_infra_req_mask_b = 1, + /* [17] */ + .reg_ufs_apsrc_req_mask_b = 1, + /* [18] */ + .reg_ufs_vrf18_req_mask_b = 1, + /* [19] */ + .reg_ufs_ddr_en_mask_b = 1, + /* [20] */ + .reg_usb_srcclkena_mask_b = 1, + /* [21] */ + .reg_usb_infra_req_mask_b = 1, + /* [22] */ + .reg_usb_apsrc_req_mask_b = 1, + /* [23] */ + .reg_usb_vrf18_req_mask_b = 1, + /* [24] */ + .reg_usb_ddr_en_mask_b = 1, + /* [25] */ + .reg_pextp_p0_srcclkena_mask_b = 1, + /* [26] */ + .reg_pextp_p0_infra_req_mask_b = 1, + /* [27] */ + .reg_pextp_p0_apsrc_req_mask_b = 1, + /* [28] */ + .reg_pextp_p0_vrf18_req_mask_b = 1, + /* [29] */ + .reg_pextp_p0_ddr_en_mask_b = 1, + + /* SPM_SRC3_MASK */ + /* [0] */ + .reg_pextp_p1_srcclkena_mask_b = 1, + /* [1] */ + .reg_pextp_p1_infra_req_mask_b = 1, + /* [2] */ + .reg_pextp_p1_apsrc_req_mask_b = 1, + /* [3] */ + .reg_pextp_p1_vrf18_req_mask_b = 1, + /* [4] */ + .reg_pextp_p1_ddr_en_mask_b = 1, + /* [5] */ + .reg_gce0_infra_req_mask_b = 1, + /* [6] */ + .reg_gce0_apsrc_req_mask_b = 1, + /* [7] */ + .reg_gce0_vrf18_req_mask_b = 1, + /* [8] */ + .reg_gce0_ddr_en_mask_b = 1, + /* [9] */ + .reg_gce1_infra_req_mask_b = 1, + /* [10] */ + .reg_gce1_apsrc_req_mask_b = 1, + /* [11] */ + .reg_gce1_vrf18_req_mask_b = 1, + /* [12] */ + .reg_gce1_ddr_en_mask_b = 1, + /* [13] */ + .reg_spm_srcclkena_reserved_mask_b = 1, + /* [14] */ + .reg_spm_infra_req_reserved_mask_b = 1, + /* [15] */ + .reg_spm_apsrc_req_reserved_mask_b = 1, + /* [16] */ + .reg_spm_vrf18_req_reserved_mask_b = 1, + /* [17] */ + .reg_spm_ddr_en_reserved_mask_b = 1, + /* [18] */ + .reg_disp0_apsrc_req_mask_b = 1, + /* [19] */ + .reg_disp0_ddr_en_mask_b = 1, + /* [20] */ + .reg_disp1_apsrc_req_mask_b = 1, + /* [21] */ + .reg_disp1_ddr_en_mask_b = 1, + /* [22] */ + .reg_disp2_apsrc_req_mask_b = 1, + /* [23] */ + .reg_disp2_ddr_en_mask_b = 1, + /* [24] */ + .reg_disp3_apsrc_req_mask_b = 1, + /* [25] */ + .reg_disp3_ddr_en_mask_b = 1, + /* [26] */ + .reg_infrasys_apsrc_req_mask_b = 0, + /* [27] */ + .reg_infrasys_ddr_en_mask_b = 1, + + /* [28] */ + .reg_cg_check_srcclkena_mask_b = 1, + /* [29] */ + .reg_cg_check_apsrc_req_mask_b = 1, + /* [30] */ + .reg_cg_check_vrf18_req_mask_b = 1, + /* [31] */ + .reg_cg_check_ddr_en_mask_b = 1, + + /* SPM_SRC4_MASK */ + /* [8:0] */ + .reg_mcusys_merge_apsrc_req_mask_b = 0x11, + /* [17:9] */ + .reg_mcusys_merge_ddr_en_mask_b = 0x11, + /* [19:18] */ + .reg_dramc_md32_infra_req_mask_b = 0, + /* [21:20] */ + .reg_dramc_md32_vrf18_req_mask_b = 0, + /* [23:22] */ + .reg_dramc_md32_ddr_en_mask_b = 0, + /* [24] */ + .reg_dvfsrc_event_trigger_mask_b = 1, + + /* SPM_WAKEUP_EVENT_MASK2 */ + /* [3:0] */ + .reg_sc_sw2spm_wakeup_mask_b = 0, + /* [4] */ + .reg_sc_adsp2spm_wakeup_mask_b = 0, + /* [8:5] */ + .reg_sc_sspm2spm_wakeup_mask_b = 0, + /* [9] */ + .reg_sc_scp2spm_wakeup_mask_b = 0, + /* [10] */ + .reg_csyspwrup_ack_mask = 0, + /* [11] */ + .reg_csyspwrup_req_mask = 1, + + /* SPM_WAKEUP_EVENT_MASK */ + /* [31:0] */ + .reg_wakeup_event_mask = 0xEFFFFFFF, + + /* SPM_WAKEUP_EVENT_EXT_MASK */ + /* [31:0] */ + .reg_ext_wakeup_event_mask = 0xFFFFFFFF, +}; + +struct spm_lp_scen __spm_vcorefs = { + .pwrctrl = &vcorefs_ctrl, +}; + +static void spm_vcorefs_pwarp_cmd(uint64_t cmd, uint64_t val) +{ + if (cmd < NR_IDX_ALL) { + mt_spm_pmic_wrap_set_cmd(PMIC_WRAP_PHASE_ALLINONE, cmd, val); + } else { + INFO("cmd out of range!\n"); + } +} + +void spm_dvfsfw_init(uint64_t boot_up_opp, uint64_t dram_issue) +{ + if (spm_dvfs_init_done == false) { + mmio_write_32(SPM_DVFS_MISC, (mmio_read_32(SPM_DVFS_MISC) & + ~(SPM_DVFS_FORCE_ENABLE_LSB)) | (SPM_DVFSRC_ENABLE_LSB)); + + mmio_write_32(SPM_DVFS_LEVEL, 0x00000001); + mmio_write_32(SPM_DVS_DFS_LEVEL, 0x00010001); + + spm_dvfs_init_done = true; + } +} + +void __spm_sync_vcore_dvfs_power_control(struct pwr_ctrl *dest_pwr_ctrl, + const struct pwr_ctrl *src_pwr_ctrl) +{ + uint32_t dvfs_mask = SPM_FLAG_DISABLE_VCORE_DVS | + SPM_FLAG_DISABLE_VCORE_DFS | + SPM_FLAG_ENABLE_VOLTAGE_BIN; + + dest_pwr_ctrl->pcm_flags = (dest_pwr_ctrl->pcm_flags & (~dvfs_mask)) | + (src_pwr_ctrl->pcm_flags & dvfs_mask); + + if (dest_pwr_ctrl->pcm_flags_cust) { + dest_pwr_ctrl->pcm_flags_cust = (dest_pwr_ctrl->pcm_flags_cust & (~dvfs_mask)) | + (src_pwr_ctrl->pcm_flags & dvfs_mask); + } +} + +void spm_go_to_vcorefs(uint64_t spm_flags) +{ + __spm_set_power_control(__spm_vcorefs.pwrctrl); + __spm_set_wakeup_event(__spm_vcorefs.pwrctrl); + __spm_set_pcm_flags(__spm_vcorefs.pwrctrl); + __spm_send_cpu_wakeup_event(); +} + +uint64_t spm_vcorefs_args(uint64_t x1, uint64_t x2, uint64_t x3) +{ + uint64_t ret = 0U; + uint64_t cmd = x1; + uint64_t spm_flags; + + switch (cmd) { + case VCOREFS_SMC_CMD_0: + spm_dvfsfw_init(x2, x3); + break; + case VCOREFS_SMC_CMD_1: + spm_flags = SPM_FLAG_RUN_COMMON_SCENARIO; + if (x2 & SPM_FLAG_DISABLE_VCORE_DVS) + spm_flags |= SPM_FLAG_DISABLE_VCORE_DVS; + if (x2 & SPM_FLAG_DISABLE_VCORE_DFS) + spm_flags |= SPM_FLAG_DISABLE_VCORE_DFS; + spm_go_to_vcorefs(spm_flags); + break; + case VCOREFS_SMC_CMD_3: + spm_vcorefs_pwarp_cmd(x2, x3); + break; + case VCOREFS_SMC_CMD_2: + case VCOREFS_SMC_CMD_4: + case VCOREFS_SMC_CMD_5: + case VCOREFS_SMC_CMD_7: + default: + break; + } + return ret; +} + +static void dvfsrc_init(void) +{ + int i; + int count = ARRAY_SIZE(dvfsrc_init_configs); + + if (dvfs_enable_done == false) { + for (i = 0; i < count; i++) { + mmio_write_32(dvfsrc_init_configs[i].offset, + dvfsrc_init_configs[i].val); + } + + mmio_write_32(DVFSRC_QOS_EN, 0x0011007C); + + dvfs_enable_done = true; + } +} + +static void spm_vcorefs_vcore_setting(uint64_t flag) +{ + spm_vcorefs_pwarp_cmd(3, __vcore_uv_to_pmic(vcore_opp_3_uv)); + spm_vcorefs_pwarp_cmd(2, __vcore_uv_to_pmic(vcore_opp_2_uv)); + spm_vcorefs_pwarp_cmd(1, __vcore_uv_to_pmic(vcore_opp_1_uv)); + spm_vcorefs_pwarp_cmd(0, __vcore_uv_to_pmic(vcore_opp_0_uv)); +} + +int spm_vcorefs_get_vcore(unsigned int gear) +{ + int ret_val; + + switch (gear) { + case 3: + ret_val = vcore_opp_0_uv; + break; + case 2: + ret_val = vcore_opp_1_uv; + break; + case 1: + ret_val = vcore_opp_2_uv; + break; + case 0: + default: + ret_val = vcore_opp_3_uv; + break; + } + return ret_val; +} + +uint64_t spm_vcorefs_v2_args(u_register_t x1, u_register_t x2, u_register_t x3, u_register_t *x4) +{ + uint64_t ret = 0U; + uint64_t cmd = x1; + uint64_t spm_flags; + + switch (cmd) { + case VCOREFS_SMC_CMD_INIT: + /* vcore_dvfs init + kick */ + spm_dvfsfw_init(0, 0); + spm_vcorefs_vcore_setting(x3 & 0xF); + spm_flags = SPM_FLAG_RUN_COMMON_SCENARIO; + if (x2 & 0x1) { + spm_flags |= SPM_FLAG_DISABLE_VCORE_DVS; + } + if (x2 & 0x2) { + spm_flags |= SPM_FLAG_DISABLE_VCORE_DFS; + } + spm_go_to_vcorefs(spm_flags); + dvfsrc_init(); + *x4 = 0U; + break; + case VCOREFS_SMC_CMD_OPP_TYPE: + /* get dram type */ + *x4 = 0U; + break; + case VCOREFS_SMC_CMD_FW_TYPE: + *x4 = 0U; + break; + case VCOREFS_SMC_CMD_GET_UV: + *x4 = spm_vcorefs_get_vcore(x2); + break; + case VCOREFS_SMC_CMD_GET_NUM_V: + *x4 = VCORE_MAX_OPP; + break; + case VCOREFS_SMC_CMD_GET_NUM_F: + *x4 = DRAM_MAX_OPP; + break; + default: + break; + } + + return ret; +} |