mediatek: mt8183: support system off
- Add PMIC driver
- Add RTC drvier
- Refactor PMIC and RTC to mediatek/common
- Implement system off handler
Change-Id: If76497646ace1b78bc9a5fa0110b652fe512281a
diff --git a/plat/mediatek/common/drivers/pmic_wrap/pmic_wrap_init.c b/plat/mediatek/common/drivers/pmic_wrap/pmic_wrap_init.c
new file mode 100644
index 0000000..e3cfd46
--- /dev/null
+++ b/plat/mediatek/common/drivers/pmic_wrap/pmic_wrap_init.c
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <lib/mmio.h>
+#include <platform_def.h>
+#include <pmic_wrap_init.h>
+
+/* pmic wrap module wait_idle and read polling interval (in microseconds) */
+enum {
+ WAIT_IDLE_POLLING_DELAY_US = 1,
+ READ_POLLING_DELAY_US = 2
+};
+
+static inline uint32_t wait_for_state_idle(uint32_t timeout_us,
+ void *wacs_register,
+ void *wacs_vldclr_register,
+ uint32_t *read_reg)
+{
+ uint32_t reg_rdata;
+ uint32_t retry;
+
+ retry = (timeout_us + WAIT_IDLE_POLLING_DELAY_US) /
+ WAIT_IDLE_POLLING_DELAY_US;
+
+ do {
+ udelay(WAIT_IDLE_POLLING_DELAY_US);
+ reg_rdata = mmio_read_32((uintptr_t)wacs_register);
+ /* if last read command timeout,clear vldclr bit
+ * read command state machine:FSM_REQ-->wfdle-->WFVLDCLR;
+ * write:FSM_REQ-->idle
+ */
+ switch (((reg_rdata >> RDATA_WACS_FSM_SHIFT) &
+ RDATA_WACS_FSM_MASK)) {
+ case WACS_FSM_WFVLDCLR:
+ mmio_write_32((uintptr_t)wacs_vldclr_register, 1);
+ ERROR("WACS_FSM = PMIC_WRAP_WACS_VLDCLR\n");
+ break;
+ case WACS_FSM_WFDLE:
+ ERROR("WACS_FSM = WACS_FSM_WFDLE\n");
+ break;
+ case WACS_FSM_REQ:
+ ERROR("WACS_FSM = WACS_FSM_REQ\n");
+ break;
+ case WACS_FSM_IDLE:
+ goto done;
+ default:
+ break;
+ }
+
+ retry--;
+ } while (retry);
+
+done:
+ if (!retry) /* timeout */
+ return E_PWR_WAIT_IDLE_TIMEOUT;
+
+ if (read_reg)
+ *read_reg = reg_rdata;
+ return 0;
+}
+
+static inline uint32_t wait_for_state_ready(uint32_t timeout_us,
+ void *wacs_register,
+ uint32_t *read_reg)
+{
+ uint32_t reg_rdata;
+ uint32_t retry;
+
+ retry = (timeout_us + READ_POLLING_DELAY_US) / READ_POLLING_DELAY_US;
+
+ do {
+ udelay(READ_POLLING_DELAY_US);
+ reg_rdata = mmio_read_32((uintptr_t)wacs_register);
+
+ if (((reg_rdata >> RDATA_WACS_FSM_SHIFT) & RDATA_WACS_FSM_MASK)
+ == WACS_FSM_WFVLDCLR)
+ break;
+
+ retry--;
+ } while (retry);
+
+ if (!retry) { /* timeout */
+ ERROR("timeout when waiting for idle\n");
+ return E_PWR_WAIT_IDLE_TIMEOUT_READ;
+ }
+
+ if (read_reg)
+ *read_reg = reg_rdata;
+ return 0;
+}
+
+static int32_t pwrap_wacs2(uint32_t write,
+ uint32_t adr,
+ uint32_t wdata,
+ uint32_t *rdata,
+ uint32_t init_check)
+{
+ uint32_t reg_rdata = 0;
+ uint32_t wacs_write = 0;
+ uint32_t wacs_adr = 0;
+ uint32_t wacs_cmd = 0;
+ uint32_t return_value = 0;
+
+ if (init_check) {
+ reg_rdata = mmio_read_32((uintptr_t)&mtk_pwrap->wacs2_rdata);
+ /* Prevent someone to used pwrap before pwrap init */
+ if (((reg_rdata >> RDATA_INIT_DONE_SHIFT) &
+ RDATA_INIT_DONE_MASK) != WACS_INIT_DONE) {
+ ERROR("initialization isn't finished\n");
+ return E_PWR_NOT_INIT_DONE;
+ }
+ }
+ reg_rdata = 0;
+ /* Check IDLE in advance */
+ return_value = wait_for_state_idle(TIMEOUT_WAIT_IDLE,
+ &mtk_pwrap->wacs2_rdata,
+ &mtk_pwrap->wacs2_vldclr,
+ 0);
+ if (return_value != 0) {
+ ERROR("wait_for_fsm_idle fail,return_value=%d\n", return_value);
+ goto FAIL;
+ }
+ wacs_write = write << 31;
+ wacs_adr = (adr >> 1) << 16;
+ wacs_cmd = wacs_write | wacs_adr | wdata;
+
+ mmio_write_32((uintptr_t)&mtk_pwrap->wacs2_cmd, wacs_cmd);
+ if (write == 0) {
+ if (rdata == NULL) {
+ ERROR("rdata is a NULL pointer\n");
+ return_value = E_PWR_INVALID_ARG;
+ goto FAIL;
+ }
+ return_value = wait_for_state_ready(TIMEOUT_READ,
+ &mtk_pwrap->wacs2_rdata,
+ ®_rdata);
+ if (return_value != 0) {
+ ERROR("wait_for_fsm_vldclr fail,return_value=%d\n",
+ return_value);
+ goto FAIL;
+ }
+ *rdata = ((reg_rdata >> RDATA_WACS_RDATA_SHIFT)
+ & RDATA_WACS_RDATA_MASK);
+ mmio_write_32((uintptr_t)&mtk_pwrap->wacs2_vldclr, 1);
+ }
+FAIL:
+ return return_value;
+}
+
+/* external API for pmic_wrap user */
+
+int32_t pwrap_read(uint32_t adr, uint32_t *rdata)
+{
+ return pwrap_wacs2(0, adr, 0, rdata, 1);
+}
+
+int32_t pwrap_write(uint32_t adr, uint32_t wdata)
+{
+ return pwrap_wacs2(1, adr, wdata, 0, 1);
+}
diff --git a/plat/mediatek/common/drivers/rtc/rtc_common.c b/plat/mediatek/common/drivers/rtc/rtc_common.c
new file mode 100644
index 0000000..cad12a0
--- /dev/null
+++ b/plat/mediatek/common/drivers/rtc/rtc_common.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+
+#include <pmic_wrap_init.h>
+#include <rtc.h>
+
+/* RTC busy status polling interval and retry count */
+enum {
+ RTC_WRTGR_POLLING_DELAY_MS = 10,
+ RTC_WRTGR_POLLING_CNT = 100
+};
+
+uint16_t RTC_Read(uint32_t addr)
+{
+ uint32_t rdata = 0;
+
+ pwrap_read((uint32_t)addr, &rdata);
+ return (uint16_t)rdata;
+}
+
+void RTC_Write(uint32_t addr, uint16_t data)
+{
+ pwrap_write((uint32_t)addr, (uint32_t)data);
+}
+
+int32_t rtc_busy_wait(void)
+{
+ uint64_t retry = RTC_WRTGR_POLLING_CNT;
+
+ do {
+ mdelay(RTC_WRTGR_POLLING_DELAY_MS);
+ if (!(RTC_Read(RTC_BBPU) & RTC_BBPU_CBUSY))
+ return 1;
+ retry--;
+ } while (retry);
+
+ ERROR("[RTC] rtc cbusy time out!\n");
+ return 0;
+}
+
+int32_t RTC_Write_Trigger(void)
+{
+ RTC_Write(RTC_WRTGR, 1);
+ return rtc_busy_wait();
+}
+
+int32_t Writeif_unlock(void)
+{
+ RTC_Write(RTC_PROT, RTC_PROT_UNLOCK1);
+ if (!RTC_Write_Trigger())
+ return 0;
+ RTC_Write(RTC_PROT, RTC_PROT_UNLOCK2);
+ if (!RTC_Write_Trigger())
+ return 0;
+
+ return 1;
+}
+
diff --git a/plat/mediatek/mt8183/drivers/pmic/pmic.c b/plat/mediatek/mt8183/drivers/pmic/pmic.c
new file mode 100644
index 0000000..818c149
--- /dev/null
+++ b/plat/mediatek/mt8183/drivers/pmic/pmic.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <pmic_wrap_init.h>
+#include <pmic.h>
+
+void wk_pmic_enable_sdn_delay(void)
+{
+ uint32_t con;
+
+ pwrap_write(PMIC_TMA_KEY, 0x9CA7);
+ pwrap_read(PMIC_PSEQ_ELR11, &con);
+ con &= ~PMIC_RG_SDN_DLY_ENB;
+ pwrap_write(PMIC_PSEQ_ELR11, con);
+ pwrap_write(PMIC_TMA_KEY, 0);
+}
+
+void pmic_power_off(void)
+{
+ pwrap_write(PMIC_PWRHOLD, 0x0);
+}
diff --git a/plat/mediatek/mt8183/drivers/pmic/pmic.h b/plat/mediatek/mt8183/drivers/pmic/pmic.h
new file mode 100644
index 0000000..d62c6da
--- /dev/null
+++ b/plat/mediatek/mt8183/drivers/pmic/pmic.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PMIC_H
+#define PMIC_H
+
+enum {
+ PMIC_TMA_KEY = 0x03a8,
+ PMIC_PWRHOLD = 0x0a08,
+ PMIC_PSEQ_ELR11 = 0x0a62
+};
+
+enum {
+ PMIC_RG_SDN_DLY_ENB = 1U << 10
+};
+
+/* external API */
+void wk_pmic_enable_sdn_delay(void);
+void pmic_power_off(void);
+
+#endif /* PMIC_H */
diff --git a/plat/mediatek/mt8183/drivers/pmic/pmic_wrap_init.h b/plat/mediatek/mt8183/drivers/pmic/pmic_wrap_init.h
new file mode 100644
index 0000000..679c5e4
--- /dev/null
+++ b/plat/mediatek/mt8183/drivers/pmic/pmic_wrap_init.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PMIC_WRAP_INIT_H
+#define PMIC_WRAP_INIT_H
+
+#include <platform_def.h>
+#include <stdint.h>
+
+/* external API */
+int32_t pwrap_read(uint32_t adr, uint32_t *rdata);
+int32_t pwrap_write(uint32_t adr, uint32_t wdata);
+
+static struct mt8183_pmic_wrap_regs *const mtk_pwrap =
+ (void *)PMIC_WRAP_BASE;
+
+/* timeout setting */
+enum {
+ TIMEOUT_READ = 255, /* us */
+ TIMEOUT_WAIT_IDLE = 255 /* us */
+};
+
+/* PMIC_WRAP registers */
+struct mt8183_pmic_wrap_regs {
+ uint32_t reserved[776];
+ uint32_t wacs2_cmd;
+ uint32_t wacs2_rdata;
+ uint32_t wacs2_vldclr;
+ uint32_t reserved1[4];
+};
+
+enum {
+ RDATA_WACS_RDATA_SHIFT = 0,
+ RDATA_WACS_FSM_SHIFT = 16,
+ RDATA_WACS_REQ_SHIFT = 19,
+ RDATA_SYNC_IDLE_SHIFT,
+ RDATA_INIT_DONE_SHIFT,
+ RDATA_SYS_IDLE_SHIFT,
+};
+
+enum {
+ RDATA_WACS_RDATA_MASK = 0xffff,
+ RDATA_WACS_FSM_MASK = 0x7,
+ RDATA_WACS_REQ_MASK = 0x1,
+ RDATA_SYNC_IDLE_MASK = 0x1,
+ RDATA_INIT_DONE_MASK = 0x1,
+ RDATA_SYS_IDLE_MASK = 0x1,
+};
+
+/* WACS_FSM */
+enum {
+ WACS_FSM_IDLE = 0x00,
+ WACS_FSM_REQ = 0x02,
+ WACS_FSM_WFDLE = 0x04,
+ WACS_FSM_WFVLDCLR = 0x06,
+ WACS_INIT_DONE = 0x01,
+ WACS_SYNC_IDLE = 0x01,
+ WACS_SYNC_BUSY = 0x00
+};
+
+/* error information flag */
+enum {
+ E_PWR_INVALID_ARG = 1,
+ E_PWR_INVALID_RW = 2,
+ E_PWR_INVALID_ADDR = 3,
+ E_PWR_INVALID_WDAT = 4,
+ E_PWR_INVALID_OP_MANUAL = 5,
+ E_PWR_NOT_IDLE_STATE = 6,
+ E_PWR_NOT_INIT_DONE = 7,
+ E_PWR_NOT_INIT_DONE_READ = 8,
+ E_PWR_WAIT_IDLE_TIMEOUT = 9,
+ E_PWR_WAIT_IDLE_TIMEOUT_READ = 10,
+ E_PWR_INIT_SIDLY_FAIL = 11,
+ E_PWR_RESET_TIMEOUT = 12,
+ E_PWR_TIMEOUT = 13,
+ E_PWR_INIT_RESET_SPI = 20,
+ E_PWR_INIT_SIDLY = 21,
+ E_PWR_INIT_REG_CLOCK = 22,
+ E_PWR_INIT_ENABLE_PMIC = 23,
+ E_PWR_INIT_DIO = 24,
+ E_PWR_INIT_CIPHER = 25,
+ E_PWR_INIT_WRITE_TEST = 26,
+ E_PWR_INIT_ENABLE_CRC = 27,
+ E_PWR_INIT_ENABLE_DEWRAP = 28,
+ E_PWR_INIT_ENABLE_EVENT = 29,
+ E_PWR_READ_TEST_FAIL = 30,
+ E_PWR_WRITE_TEST_FAIL = 31,
+ E_PWR_SWITCH_DIO = 32
+};
+
+#endif /* PMIC_WRAP_INIT_H */
diff --git a/plat/mediatek/mt8183/drivers/rtc/rtc.c b/plat/mediatek/mt8183/drivers/rtc/rtc.c
new file mode 100644
index 0000000..a821c1b
--- /dev/null
+++ b/plat/mediatek/mt8183/drivers/rtc/rtc.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <rtc.h>
+
+static void RTC_Config_Interface(uint32_t addr, uint16_t data,
+ uint16_t MASK, uint16_t SHIFT)
+{
+ uint16_t pmic_reg = 0;
+
+ pmic_reg = RTC_Read(addr);
+
+ pmic_reg &= ~(MASK << SHIFT);
+ pmic_reg |= (data << SHIFT);
+
+ RTC_Write(addr, pmic_reg);
+}
+
+static void rtc_disable_2sec_reboot(void)
+{
+ uint16_t reboot;
+
+ reboot = (RTC_Read(RTC_AL_SEC) & ~RTC_BBPU_2SEC_EN) &
+ ~RTC_BBPU_AUTO_PDN_SEL;
+ RTC_Write(RTC_AL_SEC, reboot);
+ RTC_Write_Trigger();
+}
+
+static void rtc_xosc_write(uint16_t val, bool reload)
+{
+ uint16_t bbpu;
+
+ RTC_Write(RTC_OSC32CON, RTC_OSC32CON_UNLOCK1);
+ rtc_busy_wait();
+ RTC_Write(RTC_OSC32CON, RTC_OSC32CON_UNLOCK2);
+ rtc_busy_wait();
+
+ RTC_Write(RTC_OSC32CON, val);
+ rtc_busy_wait();
+
+ if (reload) {
+ bbpu = RTC_Read(RTC_BBPU) | RTC_BBPU_KEY | RTC_BBPU_RELOAD;
+ RTC_Write(RTC_BBPU, bbpu);
+ RTC_Write_Trigger();
+ }
+}
+
+static void rtc_enable_k_eosc(void)
+{
+ uint16_t osc32;
+ uint16_t rtc_eosc_cali_td = 8; /* eosc cali period time */
+
+ /* Truning on eosc cali mode clock */
+ RTC_Config_Interface(PMIC_RG_TOP_CON, 1,
+ PMIC_RG_SRCLKEN_IN0_HW_MODE_MASK,
+ PMIC_RG_SRCLKEN_IN0_HW_MODE_SHIFT);
+ RTC_Config_Interface(PMIC_RG_TOP_CON, 1,
+ PMIC_RG_SRCLKEN_IN1_HW_MODE_MASK,
+ PMIC_RG_SRCLKEN_IN1_HW_MODE_SHIFT);
+ RTC_Config_Interface(PMIC_RG_SCK_TOP_CKPDN_CON0, 0,
+ PMIC_RG_RTC_EOSC32_CK_PDN_MASK,
+ PMIC_RG_RTC_EOSC32_CK_PDN_SHIFT);
+
+ switch (rtc_eosc_cali_td) {
+ case 1:
+ RTC_Config_Interface(PMIC_RG_EOSC_CALI_CON0, 0x3,
+ PMIC_RG_EOSC_CALI_TD_MASK, PMIC_RG_EOSC_CALI_TD_SHIFT);
+ break;
+ case 2:
+ RTC_Config_Interface(PMIC_RG_EOSC_CALI_CON0, 0x4,
+ PMIC_RG_EOSC_CALI_TD_MASK, PMIC_RG_EOSC_CALI_TD_SHIFT);
+ break;
+ case 4:
+ RTC_Config_Interface(PMIC_RG_EOSC_CALI_CON0, 0x5,
+ PMIC_RG_EOSC_CALI_TD_MASK, PMIC_RG_EOSC_CALI_TD_SHIFT);
+ break;
+ case 16:
+ RTC_Config_Interface(PMIC_RG_EOSC_CALI_CON0, 0x7,
+ PMIC_RG_EOSC_CALI_TD_MASK, PMIC_RG_EOSC_CALI_TD_SHIFT);
+ break;
+ default:
+ RTC_Config_Interface(PMIC_RG_EOSC_CALI_CON0, 0x6,
+ PMIC_RG_EOSC_CALI_TD_MASK, PMIC_RG_EOSC_CALI_TD_SHIFT);
+ break;
+ }
+ /* Switch the DCXO from 32k-less mode to RTC mode,
+ * otherwise, EOSC cali will fail
+ */
+ /* RTC mode will have only OFF mode and FPM */
+ RTC_Config_Interface(PMIC_RG_DCXO_CW02, 0, PMIC_RG_XO_EN32K_MAN_MASK,
+ PMIC_RG_XO_EN32K_MAN_SHIFT);
+ RTC_Write(RTC_BBPU,
+ RTC_Read(RTC_BBPU) | RTC_BBPU_KEY | RTC_BBPU_RELOAD);
+ RTC_Write_Trigger();
+ /* Enable K EOSC mode for normal power off and then plug out battery */
+ RTC_Write(RTC_AL_YEA, ((RTC_Read(RTC_AL_YEA) | RTC_K_EOSC_RSV_0)
+ & (~RTC_K_EOSC_RSV_1)) | RTC_K_EOSC_RSV_2);
+ RTC_Write_Trigger();
+
+ osc32 = RTC_Read(RTC_OSC32CON);
+ rtc_xosc_write(osc32 | RTC_EMBCK_SRC_SEL, true);
+ INFO("[RTC] RTC_enable_k_eosc\n");
+}
+
+void rtc_power_off_sequence(void)
+{
+ uint16_t bbpu;
+
+ rtc_disable_2sec_reboot();
+ rtc_enable_k_eosc();
+
+ /* clear alarm */
+ bbpu = RTC_BBPU_KEY | RTC_BBPU_CLR | RTC_BBPU_PWREN;
+ if (Writeif_unlock()) {
+ RTC_Write(RTC_BBPU, bbpu);
+
+ RTC_Write(RTC_AL_MASK, RTC_AL_MASK_DOW);
+ RTC_Write_Trigger();
+ mdelay(1);
+
+ bbpu = RTC_Read(RTC_BBPU) | RTC_BBPU_KEY | RTC_BBPU_RELOAD;
+ RTC_Write(RTC_BBPU, bbpu);
+ RTC_Write_Trigger();
+ INFO("[RTC] BBPU=0x%x, IRQ_EN=0x%x, AL_MSK=0x%x, AL_SEC=0x%x\n",
+ RTC_Read(RTC_BBPU), RTC_Read(RTC_IRQ_EN),
+ RTC_Read(RTC_AL_MASK), RTC_Read(RTC_AL_SEC));
+ }
+}
diff --git a/plat/mediatek/mt8183/drivers/rtc/rtc.h b/plat/mediatek/mt8183/drivers/rtc/rtc.h
new file mode 100644
index 0000000..66686b4
--- /dev/null
+++ b/plat/mediatek/mt8183/drivers/rtc/rtc.h
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef RTC_H
+#define RTC_H
+
+/* RTC registers */
+enum {
+ RTC_BBPU = 0x0588,
+ RTC_IRQ_STA = 0x058A,
+ RTC_IRQ_EN = 0x058C,
+ RTC_CII_EN = 0x058E
+};
+
+enum {
+ RTC_AL_SEC = 0x05A0,
+ RTC_AL_MIN = 0x05A2,
+ RTC_AL_HOU = 0x05A4,
+ RTC_AL_DOM = 0x05A6,
+ RTC_AL_DOW = 0x05A8,
+ RTC_AL_MTH = 0x05AA,
+ RTC_AL_YEA = 0x05AC,
+ RTC_AL_MASK = 0x0590
+};
+
+enum {
+ RTC_OSC32CON = 0x05AE,
+ RTC_CON = 0x05C4,
+ RTC_WRTGR = 0x05C2
+};
+
+enum {
+ RTC_PDN1 = 0x05B4,
+ RTC_PDN2 = 0x05B6,
+ RTC_SPAR0 = 0x05B8,
+ RTC_SPAR1 = 0x05BA,
+ RTC_PROT = 0x05BC,
+ RTC_DIFF = 0x05BE,
+ RTC_CALI = 0x05C0
+};
+
+enum {
+ RTC_OSC32CON_UNLOCK1 = 0x1A57,
+ RTC_OSC32CON_UNLOCK2 = 0x2B68
+};
+
+enum {
+ RTC_PROT_UNLOCK1 = 0x586A,
+ RTC_PROT_UNLOCK2 = 0x9136
+};
+
+enum {
+ RTC_BBPU_PWREN = 1U << 0,
+ RTC_BBPU_CLR = 1U << 1,
+ RTC_BBPU_INIT = 1U << 2,
+ RTC_BBPU_AUTO = 1U << 3,
+ RTC_BBPU_CLRPKY = 1U << 4,
+ RTC_BBPU_RELOAD = 1U << 5,
+ RTC_BBPU_CBUSY = 1U << 6
+};
+
+enum {
+ RTC_AL_MASK_SEC = 1U << 0,
+ RTC_AL_MASK_MIN = 1U << 1,
+ RTC_AL_MASK_HOU = 1U << 2,
+ RTC_AL_MASK_DOM = 1U << 3,
+ RTC_AL_MASK_DOW = 1U << 4,
+ RTC_AL_MASK_MTH = 1U << 5,
+ RTC_AL_MASK_YEA = 1U << 6
+};
+
+enum {
+ RTC_BBPU_AUTO_PDN_SEL = 1U << 6,
+ RTC_BBPU_2SEC_CK_SEL = 1U << 7,
+ RTC_BBPU_2SEC_EN = 1U << 8,
+ RTC_BBPU_2SEC_MODE = 0x3 << 9,
+ RTC_BBPU_2SEC_STAT_CLEAR = 1U << 11,
+ RTC_BBPU_2SEC_STAT_STA = 1U << 12
+};
+
+enum {
+ RTC_BBPU_KEY = 0x43 << 8
+};
+
+enum {
+ RTC_EMBCK_SRC_SEL = 1 << 8,
+ RTC_EMBCK_SEL_MODE = 3 << 6,
+ RTC_XOSC32_ENB = 1 << 5,
+ RTC_REG_XOSC32_ENB = 1 << 15
+};
+
+enum {
+ RTC_K_EOSC_RSV_0 = 1 << 8,
+ RTC_K_EOSC_RSV_1 = 1 << 9,
+ RTC_K_EOSC_RSV_2 = 1 << 10
+};
+
+/* PMIC TOP Register Definition */
+enum {
+ PMIC_RG_TOP_CON = 0x001E,
+ PMIC_RG_TOP_CKPDN_CON1 = 0x0112,
+ PMIC_RG_TOP_CKPDN_CON1_SET = 0x0114,
+ PMIC_RG_TOP_CKPDN_CON1_CLR = 0x0116,
+ PMIC_RG_TOP_CKSEL_CON0 = 0x0118,
+ PMIC_RG_TOP_CKSEL_CON0_SET = 0x011A,
+ PMIC_RG_TOP_CKSEL_CON0_CLR = 0x011C
+};
+
+/* PMIC SCK Register Definition */
+enum {
+ PMIC_RG_SCK_TOP_CKPDN_CON0 = 0x051A,
+ PMIC_RG_SCK_TOP_CKPDN_CON0_SET = 0x051C,
+ PMIC_RG_SCK_TOP_CKPDN_CON0_CLR = 0x051E,
+ PMIC_RG_EOSC_CALI_CON0 = 0x540
+};
+
+/* PMIC DCXO Register Definition */
+enum {
+ PMIC_RG_DCXO_CW00 = 0x0788,
+ PMIC_RG_DCXO_CW02 = 0x0790
+};
+
+enum {
+ PMIC_RG_SRCLKEN_IN0_HW_MODE_MASK = 0x1,
+ PMIC_RG_SRCLKEN_IN0_HW_MODE_SHIFT = 1,
+ PMIC_RG_SRCLKEN_IN1_HW_MODE_MASK = 0x1,
+ PMIC_RG_SRCLKEN_IN1_HW_MODE_SHIFT = 3,
+ PMIC_RG_RTC_EOSC32_CK_PDN_MASK = 0x1,
+ PMIC_RG_RTC_EOSC32_CK_PDN_SHIFT = 2,
+ PMIC_RG_EOSC_CALI_TD_MASK = 0x7,
+ PMIC_RG_EOSC_CALI_TD_SHIFT = 5,
+ PMIC_RG_XO_EN32K_MAN_MASK = 0x1,
+ PMIC_RG_XO_EN32K_MAN_SHIFT = 0
+};
+
+/* external API */
+uint16_t RTC_Read(uint32_t addr);
+void RTC_Write(uint32_t addr, uint16_t data);
+int32_t rtc_busy_wait(void);
+int32_t RTC_Write_Trigger(void);
+int32_t Writeif_unlock(void);
+void rtc_power_off_sequence(void);
+
+#endif /* RTC_H */
diff --git a/plat/mediatek/mt8183/plat_pm.c b/plat/mediatek/mt8183/plat_pm.c
index fa24e2e..e2aa2b9 100644
--- a/plat/mediatek/mt8183/plat_pm.c
+++ b/plat/mediatek/mt8183/plat_pm.c
@@ -22,6 +22,8 @@
#include <plat_dcm.h>
#include <plat_debug.h>
#include <plat_private.h>
+#include <pmic.h>
+#include <rtc.h>
#define MTK_LOCAL_STATE_OFF 2
@@ -115,6 +117,22 @@
}
/*******************************************************************************
+ * MTK handlers to shutdown/reboot the system
+ ******************************************************************************/
+static void __dead2 plat_mtk_system_off(void)
+{
+ INFO("MTK System Off\n");
+
+ rtc_power_off_sequence();
+ wk_pmic_enable_sdn_delay();
+ pmic_power_off();
+
+ wfi();
+ ERROR("MTK System Off: operation not handled.\n");
+ panic();
+}
+
+/*******************************************************************************
* MTK_platform handler called when an affinity instance is about to be turned
* on. The level and mpidr determine the affinity instance.
******************************************************************************/
@@ -125,7 +143,7 @@
.pwr_domain_off = plat_mtk_power_domain_off,
.pwr_domain_suspend = NULL,
.pwr_domain_suspend_finish = NULL,
- .system_off = NULL,
+ .system_off = plat_mtk_system_off,
.system_reset = NULL,
.validate_power_state = NULL,
.get_sys_suspend_power_state = NULL,
diff --git a/plat/mediatek/mt8183/platform.mk b/plat/mediatek/mt8183/platform.mk
index ae466b0..f2e15e3 100644
--- a/plat/mediatek/mt8183/platform.mk
+++ b/plat/mediatek/mt8183/platform.mk
@@ -10,6 +10,8 @@
PLAT_INCLUDES := -I${MTK_PLAT}/common/ \
-I${MTK_PLAT_SOC}/drivers/ \
-I${MTK_PLAT_SOC}/drivers/spmc/ \
+ -I${MTK_PLAT_SOC}/drivers/pmic/ \
+ -I${MTK_PLAT_SOC}/drivers/rtc/ \
-I${MTK_PLAT_SOC}/include/
PLAT_BL_COMMON_SOURCES := lib/xlat_tables/aarch64/xlat_tables.c \
@@ -33,9 +35,13 @@
lib/cpus/aarch64/cortex_a73.S \
plat/common/plat_gicv3.c \
${MTK_PLAT}/common/mtk_plat_common.c \
+ ${MTK_PLAT}/common/drivers/pmic_wrap/pmic_wrap_init.c \
+ ${MTK_PLAT}/common/drivers/rtc/rtc_common.c \
${MTK_PLAT_SOC}/aarch64/plat_helpers.S \
${MTK_PLAT_SOC}/aarch64/platform_common.c \
${MTK_PLAT_SOC}/drivers/mcsi/mcsi.c \
+ ${MTK_PLAT_SOC}/drivers/pmic/pmic.c \
+ ${MTK_PLAT_SOC}/drivers/rtc/rtc.c \
${MTK_PLAT_SOC}/drivers/spmc/mtspmc.c \
${MTK_PLAT_SOC}/plat_pm.c \
${MTK_PLAT_SOC}/plat_topology.c \