feat(mt8188): add MT8188 SPM support
Add SPM basic functions including SPM init.
Change-Id: I5d4860685c15f3b8d555e697837862287f0c303e
diff --git a/plat/mediatek/drivers/spm/mt8188/mt_spm.c b/plat/mediatek/drivers/spm/mt8188/mt_spm.c
new file mode 100644
index 0000000..6c4e681
--- /dev/null
+++ b/plat/mediatek/drivers/spm/mt8188/mt_spm.c
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2023, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <arch.h>
+#include <common/debug.h>
+#include <drivers/console.h>
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+
+#include "constraints/mt_spm_rc_internal.h"
+#include <drivers/spm/mt_spm_resource_req.h>
+#include <lib/mtk_init/mtk_init.h>
+#include <lib/pm/mtk_pm.h>
+#include <lpm/mt_lp_rm.h>
+#include <lpm/mt_lp_rqm.h>
+#include <lpm/mt_lpm_smc.h>
+#include "mt_spm.h"
+#include "mt_spm_cond.h"
+#include "mt_spm_conservation.h"
+#include "mt_spm_constraint.h"
+#include "mt_spm_idle.h"
+#include "mt_spm_internal.h"
+#include "mt_spm_pmic_wrap.h"
+#include "mt_spm_reg.h"
+#include "mt_spm_suspend.h"
+#include <mtk_mmap_pool.h>
+#include <platform_def.h>
+#include "sleep_def.h"
+
+/*
+ * System Power Manager (SPM) is a hardware module which provides CPU idle
+ * and system suspend features.
+ */
+
+spinlock_t spm_lock;
+
+#ifdef MTK_PLAT_SPM_UNSUPPORT
+struct mt_resource_manager plat_mt8188_rm = {
+};
+#else
+struct mt_lp_res_req rq_xo_fpm = {
+ .res_id = MT_LP_RQ_XO_FPM,
+ .res_rq = MT_SPM_XO_FPM,
+ .res_usage = 0,
+};
+
+struct mt_lp_res_req rq_26m = {
+ .res_id = MT_LP_RQ_26M,
+ .res_rq = MT_SPM_26M,
+ .res_usage = 0,
+};
+
+struct mt_lp_res_req rq_infra = {
+ .res_id = MT_LP_RQ_INFRA,
+ .res_rq = MT_SPM_INFRA,
+ .res_usage = 0,
+};
+
+struct mt_lp_res_req rq_syspll = {
+ .res_id = MT_LP_RQ_SYSPLL,
+ .res_rq = MT_SPM_SYSPLL,
+ .res_usage = 0,
+};
+
+struct mt_lp_res_req rq_dram_s0 = {
+ .res_id = MT_LP_RQ_DRAM,
+ .res_rq = MT_SPM_DRAM_S0,
+ .res_usage = 0,
+};
+
+struct mt_lp_res_req rq_dram_s1 = {
+ .res_id = MT_LP_RQ_DRAM,
+ .res_rq = MT_SPM_DRAM_S1,
+ .res_usage = 0,
+};
+
+struct mt_lp_res_req *spm_resources[] = {
+ &rq_xo_fpm,
+ &rq_26m,
+ &rq_infra,
+ &rq_syspll,
+ &rq_dram_s0,
+ &rq_dram_s1,
+ NULL,
+};
+
+struct mt_resource_req_manager plat_mt8188_rq = {
+ .res = spm_resources,
+};
+
+struct mt_resource_constraint plat_constraint_bus26m = {
+ .is_valid = spm_is_valid_rc_bus26m,
+ .update = spm_update_rc_bus26m,
+ .allow = spm_allow_rc_bus26m,
+ .run = spm_run_rc_bus26m,
+ .reset = spm_reset_rc_bus26m,
+ .get_status = spm_get_status_rc_bus26m,
+};
+
+struct mt_resource_constraint plat_constraint_syspll = {
+ .is_valid = spm_is_valid_rc_syspll,
+ .update = spm_update_rc_syspll,
+ .allow = spm_allow_rc_syspll,
+ .run = spm_run_rc_syspll,
+ .reset = spm_reset_rc_syspll,
+ .get_status = spm_get_status_rc_syspll,
+};
+
+struct mt_resource_constraint plat_constraint_dram = {
+ .is_valid = spm_is_valid_rc_dram,
+ .update = spm_update_rc_dram,
+ .allow = spm_allow_rc_dram,
+ .run = spm_run_rc_dram,
+ .reset = spm_reset_rc_dram,
+ .get_status = spm_get_status_rc_dram,
+};
+
+struct mt_resource_constraint plat_constraint_cpu = {
+ .is_valid = spm_is_valid_rc_cpu_buck_ldo,
+ .update = spm_update_rc_cpu_buck_ldo,
+ .allow = spm_allow_rc_cpu_buck_ldo,
+ .run = spm_run_rc_cpu_buck_ldo,
+ .reset = spm_reset_rc_cpu_buck_ldo,
+ .get_status = spm_get_status_rc_cpu_buck_ldo,
+};
+
+struct mt_resource_constraint *plat_constraints[] = {
+ &plat_constraint_bus26m,
+ &plat_constraint_syspll,
+ &plat_constraint_dram,
+ &plat_constraint_cpu,
+ NULL,
+};
+
+struct mt_resource_manager plat_mt8188_rm = {
+ .update = mt_spm_cond_update,
+ .consts = plat_constraints,
+};
+#endif
+
+/* Determine for SPM software resource user */
+static struct mt_lp_resource_user spm_res_user;
+
+struct mt_lp_resource_user *get_spm_res_user(void)
+{
+ return &spm_res_user;
+}
+
+int spm_boot_init(void)
+{
+ mt_spm_pmic_wrap_set_phase(PMIC_WRAP_PHASE_ALLINONE);
+ mt_lp_rm_register(&plat_mt8188_rm);
+
+ /* SPM service won't run when SPM not ready */
+#ifndef MTK_PLAT_SPM_UNSUPPORT
+ mt_lp_resource_request_manager_register(&plat_mt8188_rq);
+ mt_lp_resource_user_register("SPM", &spm_res_user);
+#endif
+
+ return 0;
+}
+MTK_ARCH_INIT(spm_boot_init);