feat(mt8186): add SPM suspend driver
Add SPM suspend driver for suspend/resume features.
TEST=build pass
BUG=b:202871018
Change-Id: I25b4b97cd3138a7b347385539e47ccfa884d64fc
diff --git a/plat/mediatek/mt8186/drivers/mcdi/mt_cpu_pm.c b/plat/mediatek/mt8186/drivers/mcdi/mt_cpu_pm.c
index c6c2e38..8c012e7 100644
--- a/plat/mediatek/mt8186/drivers/mcdi/mt_cpu_pm.c
+++ b/plat/mediatek/mt8186/drivers/mcdi/mt_cpu_pm.c
@@ -12,6 +12,8 @@
#include <lib/spinlock.h>
#include <mt_cpu_pm_cpc.h>
+#include <mt_lp_irqremain.h>
+#include <mt_lp_rm.h>
#include <mt_mcdi.h>
#include <plat_mtk_lpm.h>
#include <plat_pm.h>
@@ -73,15 +75,22 @@
static int pwr_mcusys_pwron_finished(unsigned int cpu,
const psci_power_state_t *state)
{
+ int state_id = state->pwr_domain_state[MTK_AFFLVL_MCUSYS];
+
if (!IS_MCUSYS_OFF_STATE(state) || (plat_mt_lp_cpu_rc < 0)) {
return -1;
}
+ mt_lp_rm_reset_constraint(plat_mt_lp_cpu_rc, cpu, state_id);
+ mt_lp_irqremain_release();
+
return 0;
}
static int pwr_mcusys_pwrdwn(unsigned int cpu, const psci_power_state_t *state)
{
+ int state_id = state->pwr_domain_state[MTK_AFFLVL_MCUSYS];
+
if (!IS_MCUSYS_OFF_STATE(state)) {
goto mt_pwr_mcusysoff_break;
}
@@ -90,10 +99,25 @@
goto mt_pwr_mcusysoff_break;
}
+ if (mtk_cpc_mcusys_off_prepare() != CPC_SUCCESS) {
+ goto mt_pwr_mcusysoff_break;
+ }
+
+ plat_mt_lp_cpu_rc =
+ mt_lp_rm_find_and_run_constraint(0, cpu, state_id, NULL);
+
+ if (plat_mt_lp_cpu_rc < 0) {
+ goto mt_pwr_mcusysoff_reflect;
+ }
+
+ mt_lp_irqremain_aquire();
+
return 0;
-mt_pwr_mcusysoff_break:
+mt_pwr_mcusysoff_reflect:
+ mtk_cpc_mcusys_off_reflect();
+mt_pwr_mcusysoff_break:
plat_mt_lp_cpu_rc = -1;
return -1;
@@ -119,5 +143,7 @@
INFO("MCDI init done.\n");
}
+ mt_lp_irqremain_init();
+
return &plat_pm;
}
diff --git a/plat/mediatek/mt8186/drivers/mcdi/mt_lp_irqremain.c b/plat/mediatek/mt8186/drivers/mcdi/mt_lp_irqremain.c
new file mode 100644
index 0000000..42b2808
--- /dev/null
+++ b/plat/mediatek/mt8186/drivers/mcdi/mt_lp_irqremain.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <mt_lp_irqremain.h>
+#include <mt_lp_rm.h>
+#include <mtk_cirq.h>
+#include <plat_mtk_lpm.h>
+
+#define KEYPAD_IRQ_ID U(138)
+#define KEYPAD_WAKESRC (0x4U)
+
+static struct mt_irqremain remain_irqs;
+
+int mt_lp_irqremain_submit(void)
+{
+ int ret = 0;
+
+ if (remain_irqs.count == 0) {
+ ret = -1;
+ } else {
+ set_wakeup_sources(remain_irqs.irqs, remain_irqs.count);
+ mt_lp_rm_do_update(-1, PLAT_RC_UPDATE_REMAIN_IRQS, &remain_irqs);
+ }
+
+ return ret;
+}
+
+int mt_lp_irqremain_aquire(void)
+{
+ int ret = 0;
+
+ if (remain_irqs.count == 0) {
+ ret = -1;
+ } else {
+ mt_cirq_sw_reset();
+ mt_cirq_clone_gic();
+ mt_cirq_enable();
+ }
+
+ return ret;
+}
+
+int mt_lp_irqremain_release(void)
+{
+ int ret = 0;
+
+ if (remain_irqs.count == 0) {
+ ret = -1;
+ } else {
+ mt_cirq_flush();
+ mt_cirq_disable();
+ }
+
+ return ret;
+}
+
+void mt_lp_irqremain_init(void)
+{
+ uint32_t idx;
+
+ remain_irqs.count = 0U;
+
+ /*edge keypad*/
+ idx = remain_irqs.count;
+ remain_irqs.irqs[idx] = KEYPAD_IRQ_ID;
+ remain_irqs.wakeupsrc_cat[idx] = 0U;
+ remain_irqs.wakeupsrc[idx] = KEYPAD_WAKESRC;
+ remain_irqs.count++;
+
+ mt_lp_irqremain_submit();
+}
diff --git a/plat/mediatek/mt8186/drivers/mcdi/mt_lp_irqremain.h b/plat/mediatek/mt8186/drivers/mcdi/mt_lp_irqremain.h
new file mode 100644
index 0000000..c313438
--- /dev/null
+++ b/plat/mediatek/mt8186/drivers/mcdi/mt_lp_irqremain.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_LP_IRQREMAIN_H
+#define MT_LP_IRQREMAIN_H
+
+extern int mt_lp_irqremain_submit(void);
+extern int mt_lp_irqremain_aquire(void);
+extern int mt_lp_irqremain_release(void);
+extern void mt_lp_irqremain_init(void);
+
+#endif /* MT_LP_IRQREMAIN_H */