198 lines
4.8 KiB
C
198 lines
4.8 KiB
C
/*
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* Copyright (c) 2022, MediaTek Inc. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch_helpers.h>
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#include <common/debug.h>
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#include <mt_lp_rm.h>
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#include <mt_spm.h>
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#include <mt_spm_cond.h>
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#include <mt_spm_conservation.h>
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#include <mt_spm_constraint.h>
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#include <mt_spm_idle.h>
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#include <mt_spm_internal.h>
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#include <mt_spm_notifier.h>
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#include <mt_spm_rc_internal.h>
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#include <mt_spm_reg.h>
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#include <mt_spm_resource_req.h>
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#include <mt_spm_suspend.h>
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#include <plat_mtk_lpm.h>
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#include <plat_pm.h>
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#define CONSTRAINT_SYSPLL_ALLOW \
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(MT_RM_CONSTRAINT_ALLOW_CPU_BUCK_OFF | \
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MT_RM_CONSTRAINT_ALLOW_DRAM_S0 | \
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MT_RM_CONSTRAINT_ALLOW_DRAM_S1 | \
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MT_RM_CONSTRAINT_ALLOW_VCORE_LP)
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#if (MTK_SPM_EXTENSION_PMIC_CONTROL == 6362)
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#define SPM_FLAG_EXTRA_PMIC_CONTROL (SPM_FLAG_ENABLE_6362_CTRL)
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#else
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#define SPM_FLAG_EXTRA_PMIC_CONTROL (SPM_FLAG_ENABLE_6315_CTRL)
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#endif
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#define CONSTRAINT_SYSPLL_PCM_FLAG \
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(SPM_FLAG_DISABLE_INFRA_PDN | \
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SPM_FLAG_DISABLE_VCORE_DVS | \
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SPM_FLAG_DISABLE_VCORE_DFS | \
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SPM_FLAG_USE_SRCCLKENO2 | \
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SPM_FLAG_SRAM_SLEEP_CTRL | \
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SPM_FLAG_KEEP_CSYSPWRACK_HIGH | \
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SPM_FLAG_USE_SRCCLKENO2)
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#define CONSTRAINT_SYSPLL_PCM_FLAG1 (0U)
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#define CONSTRAINT_SYSPLL_RESOURCE_REQ (MT_SPM_26M)
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static struct mt_spm_cond_tables cond_syspll = {
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.name = "syspll",
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.table_cg = {
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0x0385E03C, /* MTCMOS1 */
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0x003F0100, /* INFRA0 */
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0x08040802, /* INFRA1 */
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0x06015641, /* INFRA2 */
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0x00000000, /* INFRA3 */
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0x00000000, /* INFRA4 */
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0x00000000, /* INFRA5 */
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0x03720820, /* MMSYS0 */
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0x00000000, /* MMSYS1 */
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0x00000000, /* MMSYS2 */
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0x00015151, /* MMSYS3 */
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},
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.table_pll = 0U,
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};
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static struct mt_spm_cond_tables cond_syspll_res = {
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.table_cg = {0U},
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.table_pll = 0U,
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};
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static struct constraint_status status = {
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.id = MT_RM_CONSTRAINT_ID_SYSPLL,
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.valid = (MT_SPM_RC_VALID_SW |
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MT_SPM_RC_VALID_COND_LATCH |
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MT_SPM_RC_VALID_XSOC_BBLPM),
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.cond_block = 0U,
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.enter_cnt = 0U,
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.cond_res = &cond_syspll_res,
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};
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static void spm_syspll_conduct(struct spm_lp_scen *spm_lp,
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unsigned int *resource_req)
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{
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spm_lp->pwrctrl->pcm_flags = (uint32_t)CONSTRAINT_SYSPLL_PCM_FLAG;
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spm_lp->pwrctrl->pcm_flags1 = (uint32_t)CONSTRAINT_SYSPLL_PCM_FLAG1;
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*resource_req |= CONSTRAINT_SYSPLL_RESOURCE_REQ;
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}
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bool spm_is_valid_rc_syspll(unsigned int cpu, int state_id)
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{
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(void)cpu;
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(void)state_id;
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return ((status.cond_block == 0U) && IS_MT_RM_RC_READY(status.valid));
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}
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int spm_update_rc_syspll(int state_id, int type, const void *val)
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{
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const struct mt_spm_cond_tables *tlb;
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const struct mt_spm_cond_tables *tlb_check;
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int res = MT_RM_STATUS_OK;
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if (val == NULL) {
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res = MT_RM_STATUS_BAD;
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} else {
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if (type == PLAT_RC_UPDATE_CONDITION) {
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tlb = (const struct mt_spm_cond_tables *)val;
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tlb_check = (const struct mt_spm_cond_tables *)&cond_syspll;
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status.cond_block =
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mt_spm_cond_check(state_id, tlb, tlb_check,
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((status.valid &
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MT_SPM_RC_VALID_COND_LATCH) != 0U) ?
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(&cond_syspll_res) : (NULL));
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} else {
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res = MT_RM_STATUS_BAD;
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}
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}
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return res;
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}
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unsigned int spm_allow_rc_syspll(int state_id)
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{
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(void)state_id;
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return CONSTRAINT_SYSPLL_ALLOW;
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}
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int spm_run_rc_syspll(unsigned int cpu, int state_id)
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{
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unsigned int ext_op = MT_SPM_EX_OP_HW_S1_DETECT;
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unsigned int allows = CONSTRAINT_SYSPLL_ALLOW;
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(void)cpu;
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if (IS_MT_SPM_RC_BBLPM_MODE(status.valid)) {
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#ifdef MT_SPM_USING_SRCLKEN_RC
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ext_op |= MT_SPM_EX_OP_SRCLKEN_RC_BBLPM;
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#else
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allows |= MT_RM_CONSTRAINT_ALLOW_BBLPM;
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#endif
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}
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#ifndef ATF_PLAT_SPM_SSPM_NOTIFIER_UNSUPPORT
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mt_spm_sspm_notify_u32(MT_SPM_NOTIFY_LP_ENTER, allows | (IS_PLAT_SUSPEND_ID(state_id) ?
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(MT_RM_CONSTRAINT_ALLOW_AP_SUSPEND) : (0U)));
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#else
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(void)allows;
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#endif
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if (IS_PLAT_SUSPEND_ID(state_id)) {
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mt_spm_suspend_enter(state_id,
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(MT_SPM_EX_OP_SET_WDT |
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MT_SPM_EX_OP_HW_S1_DETECT |
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MT_SPM_EX_OP_SET_SUSPEND_MODE),
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CONSTRAINT_SYSPLL_RESOURCE_REQ);
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} else {
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mt_spm_idle_generic_enter(state_id, ext_op, spm_syspll_conduct);
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}
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return 0;
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}
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int spm_reset_rc_syspll(unsigned int cpu, int state_id)
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{
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unsigned int ext_op = MT_SPM_EX_OP_HW_S1_DETECT;
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unsigned int allows = CONSTRAINT_SYSPLL_ALLOW;
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(void)cpu;
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if (IS_MT_SPM_RC_BBLPM_MODE(status.valid)) {
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#ifdef MT_SPM_USING_SRCLKEN_RC
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ext_op |= MT_SPM_EX_OP_SRCLKEN_RC_BBLPM;
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#else
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allows |= MT_RM_CONSTRAINT_ALLOW_BBLPM;
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#endif
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}
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#ifndef ATF_PLAT_SPM_SSPM_NOTIFIER_UNSUPPORT
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mt_spm_sspm_notify_u32(MT_SPM_NOTIFY_LP_LEAVE, allows);
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#else
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(void)allows;
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#endif
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if (IS_PLAT_SUSPEND_ID(state_id)) {
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mt_spm_suspend_resume(state_id,
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(MT_SPM_EX_OP_SET_SUSPEND_MODE |
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MT_SPM_EX_OP_SET_WDT |
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MT_SPM_EX_OP_HW_S1_DETECT),
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NULL);
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} else {
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mt_spm_idle_generic_resume(state_id, ext_op, NULL, NULL);
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status.enter_cnt++;
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}
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return 0;
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}
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