Edward-JW Yang | 1c7fd0b | 2021-06-28 11:29:51 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2021, MediaTek Inc. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <string.h> |
| 8 | |
| 9 | #include <common/debug.h> |
| 10 | #include <lib/mmio.h> |
| 11 | |
| 12 | #include <mt_spm.h> |
| 13 | #include <mt_spm_internal.h> |
| 14 | #include <mt_spm_pmic_wrap.h> |
| 15 | #include <mt_spm_reg.h> |
| 16 | #include <plat_pm.h> |
| 17 | #include <platform_def.h> |
| 18 | |
| 19 | /* PMIC_WRAP MT6359 */ |
| 20 | #define VCORE_BASE_UV 40000 |
| 21 | #define VOLT_TO_PMIC_VAL(volt) (((volt) - VCORE_BASE_UV + 625 - 1) / 625) |
| 22 | #define PMIC_VAL_TO_VOLT(pmic) (((pmic) * 625) + VCORE_BASE_UV) |
| 23 | |
| 24 | #define NR_PMIC_WRAP_CMD (NR_IDX_ALL) |
| 25 | #define SPM_DATA_SHIFT 16 |
| 26 | |
| 27 | #define BUCK_VGPU11_ELR0 0x15B4 |
| 28 | #define TOP_SPI_CON0 0x0456 |
| 29 | #define BUCK_TOP_CON1 0x1443 |
| 30 | #define TOP_CON 0x0013 |
| 31 | #define TOP_DIG_WPK 0x03a9 |
| 32 | #define TOP_CON_LOCK 0x03a8 |
| 33 | #define TOP_CLK_CON0 0x0134 |
| 34 | |
| 35 | struct pmic_wrap_cmd { |
| 36 | unsigned long cmd_addr; |
| 37 | unsigned long cmd_wdata; |
| 38 | }; |
| 39 | |
| 40 | struct pmic_wrap_setting { |
| 41 | enum pmic_wrap_phase_id phase; |
| 42 | struct pmic_wrap_cmd addr[NR_PMIC_WRAP_CMD]; |
| 43 | struct { |
| 44 | struct { |
| 45 | unsigned long cmd_addr; |
| 46 | unsigned long cmd_wdata; |
| 47 | } _[NR_PMIC_WRAP_CMD]; |
| 48 | const int nr_idx; |
| 49 | } set[NR_PMIC_WRAP_PHASE]; |
| 50 | }; |
| 51 | |
| 52 | static struct pmic_wrap_setting pw = { |
| 53 | .phase = NR_PMIC_WRAP_PHASE, /* invalid setting for init */ |
| 54 | .addr = { {0UL, 0UL} }, |
| 55 | .set[PMIC_WRAP_PHASE_ALLINONE] = { |
| 56 | ._[CMD_0] = {BUCK_VGPU11_ELR0, VOLT_TO_PMIC_VAL(75000),}, |
| 57 | ._[CMD_1] = {BUCK_VGPU11_ELR0, VOLT_TO_PMIC_VAL(65000),}, |
| 58 | ._[CMD_2] = {BUCK_VGPU11_ELR0, VOLT_TO_PMIC_VAL(60000),}, |
| 59 | ._[CMD_3] = {BUCK_VGPU11_ELR0, VOLT_TO_PMIC_VAL(55000),}, |
| 60 | ._[CMD_4] = {TOP_SPI_CON0, 0x1,}, |
| 61 | ._[CMD_5] = {TOP_SPI_CON0, 0x0,}, |
| 62 | ._[CMD_6] = {BUCK_TOP_CON1, 0x0,}, |
| 63 | ._[CMD_7] = {BUCK_TOP_CON1, 0xf,}, |
| 64 | ._[CMD_8] = {TOP_CON, 0x3,}, |
| 65 | ._[CMD_9] = {TOP_CON, 0x0,}, |
| 66 | ._[CMD_10] = {TOP_DIG_WPK, 0x63,}, |
| 67 | ._[CMD_11] = {TOP_CON_LOCK, 0x15,}, |
| 68 | ._[CMD_12] = {TOP_DIG_WPK, 0x0,}, |
| 69 | ._[CMD_13] = {TOP_CON_LOCK, 0x0,}, |
| 70 | ._[CMD_14] = {TOP_CLK_CON0, 0x40,}, |
| 71 | ._[CMD_15] = {TOP_CLK_CON0, 0x0,}, |
| 72 | .nr_idx = NR_IDX_ALL, |
| 73 | }, |
| 74 | }; |
| 75 | |
| 76 | void _mt_spm_pmic_table_init(void) |
| 77 | { |
| 78 | struct pmic_wrap_cmd pwrap_cmd_default[NR_PMIC_WRAP_CMD] = { |
| 79 | {(uint32_t)SPM_DVFS_CMD0, (uint32_t)SPM_DVFS_CMD0,}, |
| 80 | {(uint32_t)SPM_DVFS_CMD1, (uint32_t)SPM_DVFS_CMD1,}, |
| 81 | {(uint32_t)SPM_DVFS_CMD2, (uint32_t)SPM_DVFS_CMD2,}, |
| 82 | {(uint32_t)SPM_DVFS_CMD3, (uint32_t)SPM_DVFS_CMD3,}, |
| 83 | {(uint32_t)SPM_DVFS_CMD4, (uint32_t)SPM_DVFS_CMD4,}, |
| 84 | {(uint32_t)SPM_DVFS_CMD5, (uint32_t)SPM_DVFS_CMD5,}, |
| 85 | {(uint32_t)SPM_DVFS_CMD6, (uint32_t)SPM_DVFS_CMD6,}, |
| 86 | {(uint32_t)SPM_DVFS_CMD7, (uint32_t)SPM_DVFS_CMD7,}, |
| 87 | {(uint32_t)SPM_DVFS_CMD8, (uint32_t)SPM_DVFS_CMD8,}, |
| 88 | {(uint32_t)SPM_DVFS_CMD9, (uint32_t)SPM_DVFS_CMD9,}, |
| 89 | {(uint32_t)SPM_DVFS_CMD10, (uint32_t)SPM_DVFS_CMD10,}, |
| 90 | {(uint32_t)SPM_DVFS_CMD11, (uint32_t)SPM_DVFS_CMD11,}, |
| 91 | {(uint32_t)SPM_DVFS_CMD12, (uint32_t)SPM_DVFS_CMD12,}, |
| 92 | {(uint32_t)SPM_DVFS_CMD13, (uint32_t)SPM_DVFS_CMD13,}, |
| 93 | {(uint32_t)SPM_DVFS_CMD14, (uint32_t)SPM_DVFS_CMD14,}, |
| 94 | {(uint32_t)SPM_DVFS_CMD15, (uint32_t)SPM_DVFS_CMD15,}, |
| 95 | }; |
| 96 | |
| 97 | memcpy(pw.addr, pwrap_cmd_default, sizeof(pwrap_cmd_default)); |
| 98 | } |
| 99 | |
| 100 | void mt_spm_pmic_wrap_set_phase(enum pmic_wrap_phase_id phase) |
| 101 | { |
| 102 | uint32_t idx, addr, data; |
| 103 | |
| 104 | if (phase >= NR_PMIC_WRAP_PHASE) { |
| 105 | return; |
| 106 | } |
| 107 | |
| 108 | if (pw.phase == phase) { |
| 109 | return; |
| 110 | } |
| 111 | |
| 112 | if (pw.addr[0].cmd_addr == 0UL) { |
| 113 | _mt_spm_pmic_table_init(); |
| 114 | } |
| 115 | |
| 116 | pw.phase = phase; |
| 117 | mmio_write_32(POWERON_CONFIG_EN, SPM_REGWR_CFG_KEY | BCLK_CG_EN_LSB); |
| 118 | |
| 119 | for (idx = 0U; idx < pw.set[phase].nr_idx; idx++) { |
| 120 | addr = pw.set[phase]._[idx].cmd_addr << SPM_DATA_SHIFT; |
| 121 | data = pw.set[phase]._[idx].cmd_wdata; |
| 122 | mmio_write_32(pw.addr[idx].cmd_addr, addr | data); |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | void mt_spm_pmic_wrap_set_cmd(enum pmic_wrap_phase_id phase, uint32_t idx, |
| 127 | uint32_t cmd_wdata) |
| 128 | { |
| 129 | uint32_t addr; |
| 130 | |
| 131 | if (phase >= NR_PMIC_WRAP_PHASE) { |
| 132 | return; |
| 133 | } |
| 134 | |
| 135 | if (idx >= pw.set[phase].nr_idx) { |
| 136 | return; |
| 137 | } |
| 138 | |
| 139 | pw.set[phase]._[idx].cmd_wdata = cmd_wdata; |
| 140 | mmio_write_32(POWERON_CONFIG_EN, SPM_REGWR_CFG_KEY | BCLK_CG_EN_LSB); |
| 141 | |
| 142 | if (pw.phase == phase) { |
| 143 | addr = pw.set[phase]._[idx].cmd_addr << SPM_DATA_SHIFT; |
| 144 | mmio_write_32(pw.addr[idx].cmd_addr, addr | cmd_wdata); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | uint64_t mt_spm_pmic_wrap_get_cmd(enum pmic_wrap_phase_id phase, uint32_t idx) |
| 149 | { |
| 150 | if (phase >= NR_PMIC_WRAP_PHASE) { |
| 151 | return 0UL; |
| 152 | } |
| 153 | |
| 154 | if (idx >= pw.set[phase].nr_idx) { |
| 155 | return 0UL; |
| 156 | } |
| 157 | |
| 158 | return pw.set[phase]._[idx].cmd_wdata; |
| 159 | } |