Merge changes I08cf22df,I535ee414,Ie84cfc96,I8c35ce4e,If7649764, ... into integration

* changes:
  mediatek: mt8183: Support coreboot configuration
  mediatek: mt8183: support system reset
  mediatek: mt8183: pass platform parameters
  mediatek: mt8183: add GPIO driver
  mediatek: mt8183: support system off
  mediatek: mt8183: support CPU hotplug
  mediatek: mt8183: refine GIC driver

include/export/plat/mediatek/common/plat_params_exp.h

+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef ARM_TRUSTED_FIRMWARE_EXPORT_PLAT_MEDIATEK_COMMON_PLAT_PARAMS_EXP_H
+#define ARM_TRUSTED_FIRMWARE_EXPORT_PLAT_MEDIATEK_COMMON_PLAT_PARAMS_EXP_H
+
+/* EXPORT HEADER -- See include/export/README for details! -- EXPORT HEADER */
+
+#include "../../../lib/bl_aux_params/bl_aux_params_exp.h"
+
+/* param type */
+enum bl_aux_mtk_param_type {
+	BL_AUX_PARAM_MTK_RESET_GPIO = BL_AUX_PARAM_VENDOR_SPECIFIC_FIRST,
+};
+
+#endif /* ARM_TRUSTED_FIRMWARE_EXPORT_PLAT_MEDIATEK_COMMON_PLAT_PARAMS_EXP_H */

include/lib/cpus/aarch64/cortex_a53.h

@@ -73,4 +73,11 @@
  ******************************************************************************/
 #define CORTEX_A53_L2MERRSR_EL1				S3_1_C15_C2_3
 
+/*******************************************************************************
+ * Helper function to access a53_cpuectlr_el1 register on Cortex-A53 CPUs
+ ******************************************************************************/
+#ifndef __ASSEMBLY__
+DEFINE_RENAME_SYSREG_RW_FUNCS(a53_cpuectlr_el1, CORTEX_A53_ECTLR_EL1)
+#endif
+
 #endif /* CORTEX_A53_H */

include/lib/cpus/aarch64/cortex_a73.h

@@ -35,4 +35,11 @@
 
 #define CORTEX_A73_IMP_DEF_REG2		S3_0_C15_C0_2
 
+/*******************************************************************************
+ * Helper function to access a73_cpuectlr_el1 register on Cortex-A73 CPUs
+ ******************************************************************************/
+#ifndef __ASSEMBLY__
+DEFINE_RENAME_SYSREG_RW_FUNCS(a73_cpuectlr_el1, CORTEX_A73_CPUECTLR_EL1)
+#endif
+
 #endif /* CORTEX_A73_H */

plat/mediatek/common/drivers/pmic_wrap/pmic_wrap_init.c

+/*
+ * 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,
+					&reg_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);
+}

plat/mediatek/common/drivers/rtc/rtc_common.c

+/*
+ * 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;
+}
+

plat/mediatek/common/params_setup.c

+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <lib/bl_aux_params/bl_aux_params.h>
+#include <common/debug.h>
+#include <plat_params.h>
+#include <string.h>
+
+static struct bl_aux_gpio_info rst_gpio;
+
+struct bl_aux_gpio_info *plat_get_mtk_gpio_reset(void)
+{
+	return &rst_gpio;
+}
+
+static bool mtk_aux_param_handler(struct bl_aux_param_header *param)
+{
+	/* Store platform parameters for later processing if needed. */
+	switch (param->type) {
+	case BL_AUX_PARAM_MTK_RESET_GPIO:
+		rst_gpio = ((struct bl_aux_param_gpio *)param)->gpio;
+		return true;
+	}
+
+	return false;
+}
+
+void params_early_setup(u_register_t plat_param_from_bl2)
+{
+	bl_aux_params_parse(plat_param_from_bl2, mtk_aux_param_handler);
+}
+

plat/mediatek/common/plat_params.h

+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_PARAMS_H
+#define PLAT_PARAMS_H
+
+#include <stdint.h>
+
+#include <export/plat/mediatek/common/plat_params_exp.h>
+
+struct bl_aux_gpio_info *plat_get_mtk_gpio_reset(void);
+void params_early_setup(u_register_t plat_param_from_bl2);
+
+#endif

plat/mediatek/mt8183/bl31_plat_setup.c

 /*
- * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -14,9 +14,12 @@
 #include <drivers/generic_delay_timer.h>
 #include <mcucfg.h>
 #include <mt_gic_v3.h>
+#include <lib/coreboot.h>
 #include <lib/mmio.h>
 #include <mtk_plat_common.h>
+#include <mtspmc.h>
 #include <plat_debug.h>
+#include <plat_params.h>
 #include <plat_private.h>
 #include <platform_def.h>
 #include <scu.h>
@@ -73,7 +76,17 @@ void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
 {
 	static console_16550_t console;
 
+	params_early_setup(arg1);
+
+#if COREBOOT
+	if (coreboot_serial.type)
+		console_16550_register(coreboot_serial.baseaddr,
+				       coreboot_serial.input_hertz,
+				       coreboot_serial.baud,
+				       &console);
+#else
 	console_16550_register(UART0_BASE, UART_CLOCK, UART_BAUDRATE, &console);
+#endif
 
 	NOTICE("MT8183 bl31_setup\n");
 
@@ -95,6 +108,10 @@ void bl31_platform_setup(void)
 
 	/* Init mcsi SF */
 	plat_mtk_cci_init_sf();
+
+#if SPMC_MODE == 1
+	spmc_init();
+#endif
 }
 
 /*******************************************************************************

plat/mediatek/mt8183/drivers/gpio/mtgpio.c

+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <gpio/mtgpio.h>
+#include <gpio/mtgpio_cfg.h>
+#include <drivers/gpio.h>
+#include <mcucfg.h>
+#include <lib/mmio.h>
+#include <platform_def.h>
+#include <spm.h>
+#include <stdbool.h>
+
+/******************************************************************************
+ *Macro Definition
+ ******************************************************************************/
+#define GPIO_MODE_BITS		4
+#define MAX_GPIO_MODE_PER_REG	8
+#define MAX_GPIO_REG_BITS	32
+#define DIR_BASE		(GPIO_BASE + 0x000)
+#define DOUT_BASE		(GPIO_BASE + 0x100)
+#define DIN_BASE		(GPIO_BASE + 0x200)
+#define MODE_BASE		(GPIO_BASE + 0x300)
+#define SET			0x4
+#define CLR			0x8
+#define PULLEN_ADDR_OFFSET	0x060
+#define PULLSEL_ADDR_OFFSET	0x080
+
+void mt_set_gpio_dir_chip(uint32_t pin, int dir)
+{
+	uint32_t pos, bit;
+
+	assert(pin < MAX_GPIO_PIN);
+	assert(dir < GPIO_DIR_MAX);
+
+	pos = pin / MAX_GPIO_REG_BITS;
+	bit = pin % MAX_GPIO_REG_BITS;
+
+	if (dir == GPIO_DIR_IN)
+		mmio_write_32(DIR_BASE + 0x10 * pos + CLR, 1U << bit);
+	else
+		mmio_write_32(DIR_BASE + 0x10 * pos + SET, 1U << bit);
+}
+
+int mt_get_gpio_dir_chip(uint32_t pin)
+{
+	uint32_t pos, bit;
+	uint32_t reg;
+
+	assert(pin < MAX_GPIO_PIN);
+
+	pos = pin / MAX_GPIO_REG_BITS;
+	bit = pin % MAX_GPIO_REG_BITS;
+
+	reg = mmio_read_32(DIR_BASE + 0x10 * pos);
+	return (((reg & (1U << bit)) != 0) ? GPIO_DIR_OUT : GPIO_DIR_IN);
+}
+
+void mt_set_gpio_out_chip(uint32_t pin, int output)
+{
+	uint32_t pos, bit;
+
+	assert(pin < MAX_GPIO_PIN);
+	assert(output < GPIO_OUT_MAX);
+
+	pos = pin / MAX_GPIO_REG_BITS;
+	bit = pin % MAX_GPIO_REG_BITS;
+
+	if (output == GPIO_OUT_ZERO)
+		mmio_write_32(DOUT_BASE + 0x10 * pos + CLR, 1U << bit);
+	else
+		mmio_write_32(DOUT_BASE + 0x10 * pos + SET, 1U << bit);
+}
+
+int mt_get_gpio_out_chip(uint32_t pin)
+{
+	uint32_t pos, bit;
+	uint32_t reg;
+
+	assert(pin < MAX_GPIO_PIN);
+
+	pos = pin / MAX_GPIO_REG_BITS;
+	bit = pin % MAX_GPIO_REG_BITS;
+
+	reg = mmio_read_32(DOUT_BASE + 0x10 * pos);
+	return (((reg & (1U << bit)) != 0) ? 1 : 0);
+}
+
+int mt_get_gpio_in_chip(uint32_t pin)
+{
+	uint32_t pos, bit;
+	uint32_t reg;
+
+	assert(pin < MAX_GPIO_PIN);
+
+	pos = pin / MAX_GPIO_REG_BITS;
+	bit = pin % MAX_GPIO_REG_BITS;
+
+	reg = mmio_read_32(DIN_BASE + 0x10 * pos);
+	return (((reg & (1U << bit)) != 0) ? 1 : 0);
+}
+
+void mt_set_gpio_mode_chip(uint32_t pin, int mode)
+{
+	uint32_t pos, bit;
+	uint32_t data;
+	uint32_t mask;
+
+	assert(pin < MAX_GPIO_PIN);
+	assert(mode < GPIO_MODE_MAX);
+
+	mask = (1U << GPIO_MODE_BITS) - 1;
+
+	mode = mode & mask;
+	pos = pin / MAX_GPIO_MODE_PER_REG;
+	bit = (pin % MAX_GPIO_MODE_PER_REG) * GPIO_MODE_BITS;
+
+	data = mmio_read_32(MODE_BASE + 0x10 * pos);
+	data &= (~(mask << bit));
+	data |= (mode << bit);
+	mmio_write_32(MODE_BASE + 0x10 * pos, data);
+}
+
+int mt_get_gpio_mode_chip(uint32_t pin)
+{
+	uint32_t pos, bit;
+	uint32_t data;
+	uint32_t mask;
+
+	assert(pin < MAX_GPIO_PIN);
+
+	mask = (1U << GPIO_MODE_BITS) - 1;
+
+	pos = pin / MAX_GPIO_MODE_PER_REG;
+	bit = (pin % MAX_GPIO_MODE_PER_REG) * GPIO_MODE_BITS;
+
+	data = mmio_read_32(MODE_BASE + 0x10 * pos);
+	return (data >> bit) & mask;
+}
+
+int32_t gpio_get_pull_iocfg(uint32_t pin)
+{
+	switch (pin) {
+	case 0 ... 10:
+		return IOCFG_5_BASE;
+	case 11 ... 12:
+		return IOCFG_0_BASE;
+	case 13 ... 28:
+		return IOCFG_1_BASE;
+	case 43 ... 49:
+		return IOCFG_2_BASE;
+	case 50 ... 60:
+		return IOCFG_3_BASE;
+	case 61 ... 88:
+		return IOCFG_4_BASE;
+	case 89 ... 90:
+		return IOCFG_5_BASE;
+	case 95 ... 106:
+		return IOCFG_5_BASE;
+	case 107 ... 121:
+		return IOCFG_6_BASE;
+	case 134 ... 160:
+		return IOCFG_0_BASE;
+	case 161 ... 166:
+		return IOCFG_1_BASE;
+	case 167 ... 176:
+		return IOCFG_3_BASE;
+	case 177 ... 179:
+		return IOCFG_5_BASE;
+	default:
+		return -1;
+	}
+}
+
+int32_t gpio_get_pupd_iocfg(uint32_t pin)
+{
+	const int32_t offset = 0x0c0;
+
+	switch (pin) {
+	case 29 ... 34:
+		return IOCFG_1_BASE + offset;
+	case 35 ... 42:
+		return IOCFG_2_BASE + offset;
+	case 91 ... 94:
+		return IOCFG_5_BASE + offset;
+	case 122 ... 133:
+		return IOCFG_7_BASE + offset;
+	default:
+		return -1;
+	}
+}
+
+int gpio_get_pupd_offset(uint32_t pin)
+{
+	switch (pin) {
+	case 29 ... 34:
+		return (pin - 29) * 4 % 32;
+	case 35 ... 42:
+		return (pin - 35) * 4 % 32;
+	case 91 ... 94:
+		return (pin - 91) * 4 % 32;
+	case 122 ... 129:
+		return (pin - 122) * 4 % 32;
+	case 130 ... 133:
+		return (pin - 130) * 4 % 32;
+	default:
+		return -1;
+	}
+}
+
+void mt_set_gpio_pull_enable_chip(uint32_t pin, int en)
+{
+	int pullen_addr = gpio_get_pull_iocfg(pin) + PULLEN_ADDR_OFFSET;
+	int pupd_addr = gpio_get_pupd_iocfg(pin);
+	int pupd_offset = gpio_get_pupd_offset(pin);
+
+	assert(pin < MAX_GPIO_PIN);
+
+	assert(!((PULL_offset[pin].offset == (int8_t)-1) &&
+		(pupd_offset == (int8_t)-1)));
+
+	if (en == GPIO_PULL_DISABLE) {
+		if (PULL_offset[pin].offset == (int8_t)-1)
+			mmio_clrbits_32(pupd_addr, 3U << pupd_offset);
+		else
+			mmio_clrbits_32(pullen_addr,
+					1U << PULL_offset[pin].offset);
+	} else if (en == GPIO_PULL_ENABLE) {
+		if (PULL_offset[pin].offset == (int8_t)-1) {
+			/* For PUPD+R0+R1 Type, mt_set_gpio_pull_enable
+			 * does not know
+			 * which one between PU and PD shall be enabled.
+			 * Use R0 to guarantee at one resistor is set when lk
+			 * apply default setting
+			 */
+			mmio_setbits_32(pupd_addr, 1U << pupd_offset);
+			mmio_clrbits_32(pupd_addr, 1U << (pupd_offset + 1));
+		} else {
+			/* For PULLEN + PULLSEL Type */
+			mmio_setbits_32(pullen_addr,
+					1U << PULL_offset[pin].offset);
+		}
+	} else if (en == GPIO_PULL_ENABLE_R0) {
+		assert(!(pupd_offset == (int8_t)-1));
+		mmio_setbits_32(pupd_addr, 1U << pupd_offset);
+		mmio_clrbits_32(pupd_addr, 1U << (pupd_offset + 1));
+	} else if (en == GPIO_PULL_ENABLE_R1) {
+		assert(!(pupd_offset == (int8_t)-1));
+
+		mmio_clrbits_32(pupd_addr, 1U << pupd_offset);
+		mmio_setbits_32(pupd_addr, 1U << (pupd_offset + 1));
+	} else if (en == GPIO_PULL_ENABLE_R0R1) {
+		assert(!(pupd_offset == (int8_t)-1));
+		mmio_setbits_32(pupd_addr, 3U << pupd_offset);
+	}
+}
+
+int mt_get_gpio_pull_enable_chip(uint32_t pin)
+{
+	uint32_t reg;
+
+	int pullen_addr = gpio_get_pull_iocfg(pin) + PULLEN_ADDR_OFFSET;
+	int pupd_addr = gpio_get_pupd_iocfg(pin);
+	int pupd_offset = gpio_get_pupd_offset(pin);
+
+	assert(pin < MAX_GPIO_PIN);
+
+	assert(!((PULL_offset[pin].offset == (int8_t)-1) &&
+		(pupd_offset == (int8_t)-1)));
+
+	if (PULL_offset[pin].offset == (int8_t)-1) {
+		reg = mmio_read_32(pupd_addr);
+		return ((reg & (3U << pupd_offset)) ? 1 : 0);
+	} else if (pupd_offset == (int8_t)-1) {
+		reg = mmio_read_32(pullen_addr);
+		return ((reg & (1U << PULL_offset[pin].offset)) ? 1 : 0);
+	}
+
+	return -ERINVAL;
+}
+
+void mt_set_gpio_pull_select_chip(uint32_t pin, int sel)
+{
+	int pullsel_addr = gpio_get_pull_iocfg(pin) + PULLSEL_ADDR_OFFSET;
+	int pupd_addr = gpio_get_pupd_iocfg(pin);
+	int pupd_offset = gpio_get_pupd_offset(pin);
+
+	assert(pin < MAX_GPIO_PIN);
+
+	assert(!((PULL_offset[pin].offset == (int8_t) -1) &&
+		(pupd_offset == (int8_t)-1)));
+
+	if (sel == GPIO_PULL_NONE) {
+		/*  Regard No PULL as PULL disable + pull down */
+		mt_set_gpio_pull_enable_chip(pin, GPIO_PULL_DISABLE);
+		if (PULL_offset[pin].offset == (int8_t)-1)
+			mmio_setbits_32(pupd_addr, 1U << (pupd_offset + 2));
+		else
+			mmio_clrbits_32(pullsel_addr,
+					1U << PULL_offset[pin].offset);
+	} else if (sel == GPIO_PULL_UP) {
+		mt_set_gpio_pull_enable_chip(pin, GPIO_PULL_ENABLE);
+		if (PULL_offset[pin].offset == (int8_t)-1)
+			mmio_clrbits_32(pupd_addr, 1U << (pupd_offset + 2));
+		else
+			mmio_setbits_32(pullsel_addr,
+					1U << PULL_offset[pin].offset);
+	} else if (sel == GPIO_PULL_DOWN) {
+		mt_set_gpio_pull_enable_chip(pin, GPIO_PULL_ENABLE);
+		if (PULL_offset[pin].offset == -1)
+			mmio_setbits_32(pupd_addr, 1U << (pupd_offset + 2));
+		else
+			mmio_clrbits_32(pullsel_addr,
+					1U << PULL_offset[pin].offset);
+	}
+}
+
+/* get pull-up or pull-down, regardless of resistor value */
+int mt_get_gpio_pull_select_chip(uint32_t pin)
+{
+	uint32_t reg;
+
+	int pullen_addr = gpio_get_pull_iocfg(pin) + PULLEN_ADDR_OFFSET;
+	int pullsel_addr = gpio_get_pull_iocfg(pin) + PULLSEL_ADDR_OFFSET;
+	int pupd_addr = gpio_get_pupd_iocfg(pin);
+	int pupd_offset = gpio_get_pupd_offset(pin);
+
+	assert(pin < MAX_GPIO_PIN);
+
+	assert(!((PULL_offset[pin].offset == (int8_t)-1) &&
+		(pupd_offset == (int8_t)-1)));
+
+	if (PULL_offset[pin].offset == (int8_t)-1) {
+		reg = mmio_read_32(pupd_addr);
+		if (reg & (3U << pupd_offset)) {
+			reg = mmio_read_32(pupd_addr);
+			/* Reg value: 0 for PU, 1 for PD -->
+			 * reverse return value */
+			return ((reg & (1U << (pupd_offset + 2))) ?
+					GPIO_PULL_DOWN : GPIO_PULL_UP);
+		} else {
+			return GPIO_PULL_NONE;
+		}
+	} else if (pupd_offset == (int8_t)-1) {
+		reg = mmio_read_32(pullen_addr);
+		if ((reg & (1U << PULL_offset[pin].offset))) {
+			reg = mmio_read_32(pullsel_addr);
+			return ((reg & (1U << PULL_offset[pin].offset)) ?
+					GPIO_PULL_UP : GPIO_PULL_DOWN);
+		} else {
+			return GPIO_PULL_NONE;
+		}
+	}
+
+	return -ERINVAL;
+}
+
+void mt_set_gpio_dir(int gpio, int direction)
+{
+	mt_set_gpio_dir_chip((uint32_t)gpio, direction);
+}
+
+int mt_get_gpio_dir(int gpio)
+{
+	uint32_t pin;
+
+	pin = (uint32_t)gpio;
+	return mt_get_gpio_dir_chip(pin);
+}
+
+void mt_set_gpio_pull(int gpio, int pull)
+{
+	uint32_t pin;
+
+	pin = (uint32_t)gpio;
+	mt_set_gpio_pull_select_chip(pin, pull);
+}
+
+int mt_get_gpio_pull(int gpio)
+{
+	uint32_t pin;
+
+	pin = (uint32_t)gpio;
+	return mt_get_gpio_pull_select_chip(pin);
+}
+
+void mt_set_gpio_out(int gpio, int value)
+{
+	uint32_t pin;
+
+	pin = (uint32_t)gpio;
+	mt_set_gpio_out_chip(pin, value);
+}
+
+int mt_get_gpio_out(int gpio)
+{
+	uint32_t pin;
+
+	pin = (uint32_t)gpio;
+	return mt_get_gpio_out_chip(pin);
+}
+
+int mt_get_gpio_in(int gpio)
+{
+	uint32_t pin;
+
+	pin = (uint32_t)gpio;
+	return mt_get_gpio_in_chip(pin);
+}
+
+void mt_set_gpio_mode(int gpio, int mode)
+{
+	uint32_t pin;
+
+	pin = (uint32_t)gpio;
+	mt_set_gpio_mode_chip(pin, mode);
+}
+
+int mt_get_gpio_mode(int gpio)
+{
+	uint32_t pin;
+
+	pin = (uint32_t)gpio;
+	return mt_get_gpio_mode_chip(pin);
+}
+
+const gpio_ops_t mtgpio_ops = {
+	 .get_direction = mt_get_gpio_dir,
+	 .set_direction = mt_set_gpio_dir,
+	 .get_value = mt_get_gpio_in,
+	 .set_value = mt_set_gpio_out,
+	 .set_pull = mt_set_gpio_pull,
+	 .get_pull = mt_get_gpio_pull,
+};

plat/mediatek/mt8183/drivers/gpio/mtgpio.h

+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_GPIO_H
+#define MT_GPIO_H
+
+#include <stdint.h>
+#include <plat/common/common_def.h>
+
+/*  Error Code No. */
+#define RSUCCESS        0
+#define ERACCESS        1
+#define ERINVAL         2
+#define ERWRAPPER       3
+#define MAX_GPIO_PIN    MT_GPIO_BASE_MAX
+
+/* Enumeration for GPIO pin */
+typedef enum GPIO_PIN {
+	GPIO_UNSUPPORTED = -1,
+
+	GPIO0, GPIO1, GPIO2, GPIO3, GPIO4, GPIO5, GPIO6, GPIO7,
+	GPIO8, GPIO9, GPIO10, GPIO11, GPIO12, GPIO13, GPIO14, GPIO15,
+	GPIO16, GPIO17, GPIO18, GPIO19, GPIO20, GPIO21, GPIO22, GPIO23,
+	GPIO24, GPIO25, GPIO26, GPIO27, GPIO28, GPIO29, GPIO30, GPIO31,
+	GPIO32, GPIO33, GPIO34, GPIO35, GPIO36, GPIO37, GPIO38, GPIO39,
+	GPIO40, GPIO41, GPIO42, GPIO43, GPIO44, GPIO45, GPIO46, GPIO47,
+	GPIO48, GPIO49, GPIO50, GPIO51, GPIO52, GPIO53, GPIO54, GPIO55,
+	GPIO56, GPIO57, GPIO58, GPIO59, GPIO60, GPIO61, GPIO62, GPIO63,
+	GPIO64, GPIO65, GPIO66, GPIO67, GPIO68, GPIO69, GPIO70, GPIO71,
+	GPIO72, GPIO73, GPIO74, GPIO75, GPIO76, GPIO77, GPIO78, GPIO79,
+	GPIO80, GPIO81, GPIO82, GPIO83, GPIO84, GPIO85, GPIO86, GPIO87,
+	GPIO88, GPIO89, GPIO90, GPIO91, GPIO92, GPIO93, GPIO94, GPIO95,
+	GPIO96, GPIO97, GPIO98, GPIO99, GPIO100, GPIO101, GPIO102, GPIO103,
+	GPIO104, GPIO105, GPIO106, GPIO107, GPIO108, GPIO109, GPIO110, GPIO111,
+	GPIO112, GPIO113, GPIO114, GPIO115, GPIO116, GPIO117, GPIO118, GPIO119,
+	GPIO120, GPIO121, GPIO122, GPIO123, GPIO124, GPIO125, GPIO126, GPIO127,
+	GPIO128, GPIO129, GPIO130, GPIO131, GPIO132, GPIO133, GPIO134, GPIO135,
+	GPIO136, GPIO137, GPIO138, GPIO139, GPIO140, GPIO141, GPIO142, GPIO143,
+	GPIO144, GPIO145, GPIO146, GPIO147, GPIO148, GPIO149, GPIO150, GPIO151,
+	GPIO152, GPIO153, GPIO154, GPIO155, GPIO156, GPIO157, GPIO158, GPIO159,
+	GPIO160, GPIO161, GPIO162, GPIO163, GPIO164, GPIO165, GPIO166, GPIO167,
+	GPIO168, GPIO169, GPIO170, GPIO171, GPIO172, GPIO173, GPIO174, GPIO175,
+	GPIO176, GPIO177, GPIO178, GPIO179,
+	MT_GPIO_BASE_MAX
+} GPIO_PIN;
+
+/* GPIO MODE CONTROL VALUE*/
+typedef enum {
+	GPIO_MODE_UNSUPPORTED = -1,
+	GPIO_MODE_GPIO  = 0,
+	GPIO_MODE_00    = 0,
+	GPIO_MODE_01,
+	GPIO_MODE_02,
+	GPIO_MODE_03,
+	GPIO_MODE_04,
+	GPIO_MODE_05,
+	GPIO_MODE_06,
+	GPIO_MODE_07,
+
+	GPIO_MODE_MAX,
+	GPIO_MODE_DEFAULT = GPIO_MODE_00,
+} GPIO_MODE;
+
+/* GPIO DIRECTION */
+typedef enum {
+	GPIO_DIR_UNSUPPORTED = -1,
+	GPIO_DIR_OUT    = 0,
+	GPIO_DIR_IN     = 1,
+	GPIO_DIR_MAX,
+	GPIO_DIR_DEFAULT = GPIO_DIR_IN,
+} GPIO_DIR;
+
+/* GPIO PULL ENABLE*/
+typedef enum {
+	GPIO_PULL_EN_UNSUPPORTED = -1,
+	GPIO_PULL_DISABLE   = 0,
+	GPIO_PULL_ENABLE    = 1,
+	GPIO_PULL_ENABLE_R0 = 2,
+	GPIO_PULL_ENABLE_R1 = 3,
+	GPIO_PULL_ENABLE_R0R1 = 4,
+
+	GPIO_PULL_EN_MAX,
+	GPIO_PULL_EN_DEFAULT = GPIO_PULL_ENABLE,
+} GPIO_PULL_EN;
+
+/* GPIO PULL-UP/PULL-DOWN*/
+typedef enum {
+	GPIO_PULL_UNSUPPORTED = -1,
+	GPIO_PULL_NONE        = 0,
+	GPIO_PULL_UP          = 1,
+	GPIO_PULL_DOWN        = 2,
+	GPIO_PULL_MAX,
+	GPIO_PULL_DEFAULT = GPIO_PULL_DOWN
+} GPIO_PULL;
+
+/* GPIO OUTPUT */
+typedef enum {
+	GPIO_OUT_UNSUPPORTED = -1,
+	GPIO_OUT_ZERO = 0,
+	GPIO_OUT_ONE  = 1,
+
+	GPIO_OUT_MAX,
+	GPIO_OUT_DEFAULT = GPIO_OUT_ZERO,
+	GPIO_DATA_OUT_DEFAULT = GPIO_OUT_ZERO,  /*compatible with DCT*/
+} GPIO_OUT;
+
+/* GPIO INPUT */
+typedef enum {
+	GPIO_IN_UNSUPPORTED = -1,
+	GPIO_IN_ZERO = 0,
+	GPIO_IN_ONE  = 1,
+
+	GPIO_IN_MAX,
+} GPIO_IN;
+
+typedef struct {
+	uint32_t val;
+	uint32_t set;
+	uint32_t rst;
+	uint32_t _align1;
+} VAL_REGS;
+
+typedef struct {
+	VAL_REGS dir[6];        /*0x0000 ~ 0x005F:  96 bytes */
+	uint8_t rsv00[160];     /*0x0060 ~ 0x00FF: 160 bytes */
+	VAL_REGS dout[6];       /*0x0100 ~ 0x015F:  96 bytes */
+	uint8_t rsv01[160];     /*0x0160 ~ 0x01FF: 160 bytes */
+	VAL_REGS din[6];        /*0x0200 ~ 0x025F:  96 bytes */
+	uint8_t rsv02[160];     /*0x0260 ~ 0x02FF: 160 bytes */
+	VAL_REGS mode[23];      /*0x0300 ~ 0x046F: 368 bytes */
+} GPIO_REGS;
+
+/* GPIO Driver interface */
+/*direction*/
+void mt_set_gpio_dir(int gpio, int direction);
+int mt_get_gpio_dir(int gpio);
+
+/*pull select*/
+void mt_set_gpio_pull(int gpio, int pull);
+int mt_get_gpio_pull(int gpio);
+
+/*input/output*/
+void mt_set_gpio_out(int gpio, int value);
+int mt_get_gpio_out(int gpio);
+int mt_get_gpio_in(int gpio);
+
+/*mode control*/
+void mt_set_gpio_mode(int gpio, int mode);
+int mt_get_gpio_mode(int gpio);
+
+#endif /* MT_GPIO_H */

plat/mediatek/mt8183/drivers/gpio/mtgpio_cfg.h

+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_GPIO_CFG_H
+#define MT_GPIO_CFG_H
+
+#include <stdint.h>
+#include <plat/common/common_def.h>
+
+#define IOCFG_0_BASE 0x11F20000
+#define IOCFG_1_BASE 0x11E80000
+#define IOCFG_2_BASE 0x11E70000
+#define IOCFG_3_BASE 0x11E90000
+#define IOCFG_4_BASE 0x11D30000
+#define IOCFG_5_BASE 0x11D20000
+#define IOCFG_6_BASE 0x11C50000
+#define IOCFG_7_BASE 0x11F30000
+
+typedef struct {
+	int8_t offset;
+} PIN_offset;
+
+PIN_offset PULL_offset[] = {
+	/* 0 */ {6},
+	/* 1 */ {7},
+	/* 2 */ {8},
+	/* 3 */ {9},
+	/* 4 */ {11},
+	/* 5 */ {12},
+	/* 6 */ {13},
+	/* 7 */ {14},
+	/* 8 */ {0},
+	/* 9 */ {26},
+	/* 10 */ {27},
+	/* 11 */ {10},
+	/* 12 */ {17},
+	/* 13 */ {6},
+	/* 14 */ {7},
+	/* 15 */ {8},
+	/* 16 */ {9},
+	/* 17 */ {10},
+	/* 18 */ {11},
+	/* 19 */ {12},
+	/* 20 */ {13},
+	/* 21 */ {14},
+	/* 22 */ {15},
+	/* 23 */ {16},
+	/* 24 */ {17},
+	/* 25 */ {18},
+	/* 26 */ {19},
+	/* 27 */ {20},
+	/* 28 */ {21},
+	/* 29 */ {-1},
+	/* 30 */ {-1},
+	/* 31 */ {-1},
+	/* 32 */ {-1},
+	/* 33 */ {-1},
+	/* 34 */ {-1},
+	/* 35 */ {-1},
+	/* 36 */ {-1},
+	/* 37 */ {-1},
+	/* 38 */ {-1},
+	/* 39 */ {-1},
+	/* 40 */ {-1},
+	/* 41 */ {-1},
+	/* 42 */ {-1},
+	/* 43 */ {8},
+	/* 44 */ {9},
+	/* 45 */ {10},
+	/* 46 */ {11},
+	/* 47 */ {12},
+	/* 48 */ {13},
+	/* 49 */ {14},
+	/* 50 */ {0},
+	/* 51 */ {1},
+	/* 52 */ {2},
+	/* 53 */ {3},
+	/* 54 */ {4},
+	/* 55 */ {5},
+	/* 56 */ {6},
+	/* 57 */ {7},
+	/* 58 */ {8},
+	/* 59 */ {9},
+	/* 60 */ {10},
+	/* 61 */ {0},
+	/* 62 */ {1},
+	/* 63 */ {2},
+	/* 64 */ {3},
+	/* 65 */ {4},
+	/* 66 */ {5},
+	/* 67 */ {6},
+	/* 68 */ {7},
+	/* 69 */ {8},
+	/* 70 */ {9},
+	/* 71 */ {10},
+	/* 72 */ {11},
+	/* 73 */ {12},
+	/* 74 */ {13},
+	/* 75 */ {14},
+	/* 76 */ {15},
+	/* 77 */ {16},
+	/* 78 */ {17},
+	/* 79 */ {18},
+	/* 80 */ {19},
+	/* 81 */ {20},
+	/* 82 */ {21},
+	/* 83 */ {22},
+	/* 84 */ {23},
+	/* 85 */ {24},
+	/* 86 */ {25},
+	/* 87 */ {26},
+	/* 88 */ {27},
+	/* 89 */ {24},
+	/* 90 */ {1},
+	/* 91 */ {-1},
+	/* 92 */ {-1},
+	/* 93 */ {-1},
+	/* 94 */ {-1},
+	/* 95 */ {15},
+	/* 96 */ {17},
+	/* 97 */ {18},
+	/* 98 */ {19},
+	/* 99 */ {20},
+	/* 100 */ {21},
+	/* 101 */ {22},
+	/* 102 */ {23},
+	/* 103 */ {28},
+	/* 104 */ {29},
+	/* 105 */ {30},
+	/* 106 */ {31},
+	/* 107 */ {0},
+	/* 108 */ {1},
+	/* 109 */ {2},
+	/* 110 */ {3},
+	/* 111 */ {4},
+	/* 112 */ {5},
+	/* 113 */ {6},
+	/* 114 */ {7},
+	/* 115 */ {8},
+	/* 116 */ {9},
+	/* 117 */ {10},
+	/* 118 */ {11},
+	/* 119 */ {12},
+	/* 120 */ {13},
+	/* 121 */ {14},
+	/* 122 */ {-1},
+	/* 123 */ {-1},
+	/* 124 */ {-1},
+	/* 125 */ {-1},
+	/* 126 */ {-1},
+	/* 127 */ {-1},
+	/* 128 */ {-1},
+	/* 129 */ {-1},
+	/* 130 */ {-1},
+	/* 131 */ {-1},
+	/* 132 */ {-1},
+	/* 133 */ {-1},
+	/* 134 */ {0},
+	/* 135 */ {1},
+	/* 136 */ {2},
+	/* 137 */ {3},
+	/* 138 */ {4},
+	/* 139 */ {5},
+	/* 140 */ {6},
+	/* 141 */ {7},
+	/* 142 */ {8},
+	/* 143 */ {9},
+	/* 144 */ {11},
+	/* 145 */ {12},
+	/* 146 */ {13},
+	/* 147 */ {14},
+	/* 148 */ {15},
+	/* 149 */ {16},
+	/* 150 */ {18},
+	/* 151 */ {19},
+	/* 152 */ {20},
+	/* 153 */ {21},
+	/* 154 */ {22},
+	/* 155 */ {23},
+	/* 156 */ {24},
+	/* 157 */ {25},
+	/* 158 */ {26},
+	/* 159 */ {27},
+	/* 160 */ {28},
+	/* 161 */ {0},
+	/* 162 */ {1},
+	/* 163 */ {2},
+	/* 164 */ {3},
+	/* 165 */ {4},
+	/* 166 */ {5},
+	/* 167 */ {11},
+	/* 168 */ {12},
+	/* 169 */ {13},
+	/* 170 */ {14},
+	/* 171 */ {15},
+	/* 172 */ {16},
+	/* 173 */ {17},
+	/* 174 */ {18},
+	/* 175 */ {19},
+	/* 176 */ {20},
+	/* 177 */ {10},
+	/* 178 */ {16},
+	/* 179 */ {25}
+};
+#endif /* MT_GPIO_CFG_H */

plat/mediatek/mt8183/drivers/pmic/pmic.c

+/*
+ * 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);
+}

plat/mediatek/mt8183/drivers/pmic/pmic.h

+/*
+ * 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 */

plat/mediatek/mt8183/drivers/pmic/pmic_wrap_init.h

+/*
+ * 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 */

plat/mediatek/mt8183/drivers/rtc/rtc.c

+/*
+ * 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));
+	}
+}

plat/mediatek/mt8183/drivers/rtc/rtc.h

+/*
+ * 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 */

plat/mediatek/mt8183/drivers/spmc/mtspmc.c

+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <arch_helpers.h>
+#include <cortex_a53.h>
+#include <cortex_a73.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <platform_def.h>
+#include <mcucfg.h>
+#include <spm.h>
+#include <drivers/delay_timer.h>
+#include <mtspmc.h>
+
+#include "mtspmc_private.h"
+
+
+static void set_retention(int cluster, int tick)
+{
+	uint64_t cpuectlr;
+
+	if (cluster)
+		cpuectlr = read_a73_cpuectlr_el1();
+	else
+		cpuectlr = read_a53_cpuectlr_el1();
+
+	cpuectlr &= ~0x7ULL;
+	cpuectlr |= tick & 0x7;
+
+	if (cluster)
+		write_a73_cpuectlr_el1(cpuectlr);
+	else
+		write_a53_cpuectlr_el1(cpuectlr);
+}
+
+void spm_enable_cpu_auto_off(int cluster, int cpu)
+{
+	uintptr_t reg = per_cpu(cluster, cpu, MCUCFG_SPARK);
+
+	set_retention(cluster, 1);
+	mmio_clrbits_32(reg, SW_NO_WAIT_Q);
+}
+
+void spm_disable_cpu_auto_off(int cluster, int cpu)
+{
+	uintptr_t reg = per_cpu(cluster, cpu, MCUCFG_SPARK);
+
+	mmio_setbits_32(reg, SW_NO_WAIT_Q);
+	set_retention(cluster, 0);
+}
+
+void spm_set_cpu_power_off(int cluster, int cpu)
+{
+	mmio_clrbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_ON);
+}
+
+void spm_enable_cluster_auto_off(int cluster)
+{
+	assert(cluster);
+
+	mmio_clrbits_32(MCUCFG_MP2_SPMC, SW_NO_WAIT_Q);
+	mmio_clrbits_32(MCUCFG_MP2_COQ, BIT(0));
+
+	mmio_clrbits_32(SPM_SPMC_DORMANT_ENABLE, MP1_SPMC_SRAM_DORMANT_EN);
+
+	mmio_clrbits_32(per_cluster(cluster, SPM_CLUSTER_PWR), PWRCTRL_PWR_ON);
+}
+
+void mcucfg_set_bootaddr(int cluster, int cpu, uintptr_t bootaddr)
+{
+	uintptr_t reg;
+	const uintptr_t mp2_bootreg[] = {
+			MCUCFG_MP2_RVADDR0, MCUCFG_MP2_RVADDR1,
+			MCUCFG_MP2_RVADDR2, MCUCFG_MP2_RVADDR3 };
+
+	if (cluster) {
+		assert(cpu >= 0 && cpu < 4);
+		reg = mp2_bootreg[cpu];
+	} else {
+		reg = per_cpu(cluster, cpu, MCUCFG_BOOTADDR);
+	}
+
+	mmio_write_32(reg, bootaddr);
+}
+
+uintptr_t mcucfg_get_bootaddr(int cluster, int cpu)
+{
+	uintptr_t reg;
+	const uintptr_t mp2_bootreg[] = {
+			MCUCFG_MP2_RVADDR0, MCUCFG_MP2_RVADDR1,
+			MCUCFG_MP2_RVADDR2, MCUCFG_MP2_RVADDR3 };
+
+	if (cluster) {
+		assert(cpu >= 0 && cpu < 4);
+		reg = mp2_bootreg[cpu];
+	} else {
+		reg = per_cpu(cluster, cpu, MCUCFG_BOOTADDR);
+	}
+
+	return mmio_read_32(reg);
+}
+
+void mcucfg_init_archstate(int cluster, int cpu, int arm64)
+{
+	uintptr_t reg;
+	int i;
+
+	reg = per_cluster(cluster, MCUCFG_INITARCH);
+	i = cluster ? 16 : 12;
+
+	mmio_setbits_32(reg, (arm64 & 1) << (i + cpu));
+}
+
+/**
+ * Return power state of specified subsystem
+ *
+ * @mask: mask to SPM_PWR_STATUS to query the power state
+ *        of one subsystem.
+ * RETURNS:
+ * 0 (the subsys was powered off)
+ * 1 (the subsys was powered on)
+ */
+int spm_get_powerstate(uint32_t mask)
+{
+	return mmio_read_32(SPM_PWR_STATUS) & mask;
+}
+
+int spm_get_cluster_powerstate(int cluster)
+{
+	uint32_t mask;
+
+	mask = cluster ? PWR_STATUS_MP1_CPUTOP : PWR_STATUS_MP0_CPUTOP;
+
+	return spm_get_powerstate(mask);
+}
+
+int spm_get_cpu_powerstate(int cluster, int cpu)
+{
+	uint32_t i;
+
+	/*
+	 * a quick way to specify the mask of cpu[0-3]/cpu[4-7] in PWR_STATUS
+	 * register which are the BITS[9:12](MP0_CPU0~3) and
+	 * BITS[16:19](MP1_CPU0~3)
+	 */
+	i = (cluster) ? 16 : 9;
+	i = 1 << (i + cpu);
+
+	return spm_get_powerstate(i);
+}
+
+int spmc_init(void)
+{
+	/* enable SPM register control */
+	mmio_write_32(SPM_POWERON_CONFIG_EN,
+		      PROJECT_CODE | MD_BCLK_CG_EN | BCLK_CG_EN);
+
+#if SPMC_MODE == 1
+	INFO("SPM: enable SPMC mode\n");
+
+	/* 0: SPMC mode  1: Legacy mode */
+	mmio_write_32(SPM_BYPASS_SPMC, 0);
+
+	mmio_clrbits_32(per_cluster(0, SPM_CLUSTER_PWR), PWRCTRL_PWR_ON_2ND);
+
+	mmio_clrbits_32(per_cpu(0, 0, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
+	mmio_clrbits_32(per_cpu(0, 1, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
+	mmio_clrbits_32(per_cpu(0, 2, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
+	mmio_clrbits_32(per_cpu(0, 3, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
+
+	mmio_setbits_32(per_cpu(0, 1, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
+	mmio_setbits_32(per_cpu(0, 2, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
+	mmio_setbits_32(per_cpu(0, 3, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
+#endif
+
+	mmio_clrbits_32(per_cluster(1, SPM_CLUSTER_PWR), PWRCTRL_PWR_ON_2ND);
+	mmio_setbits_32(per_cluster(1, SPM_CLUSTER_PWR), PWRCTRL_PWR_RST_B);
+	mmio_clrbits_32(per_cluster(1, SPM_CLUSTER_PWR), PWRCTRL_PWR_CLK_DIS);
+
+	mmio_clrbits_32(per_cpu(1, 0, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
+	mmio_clrbits_32(per_cpu(1, 1, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
+	mmio_clrbits_32(per_cpu(1, 2, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
+	mmio_clrbits_32(per_cpu(1, 3, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
+
+	mmio_setbits_32(per_cpu(1, 0, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
+	mmio_setbits_32(per_cpu(1, 1, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
+	mmio_setbits_32(per_cpu(1, 2, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
+	mmio_setbits_32(per_cpu(1, 3, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
+
+	return 0;
+}
+
+/**
+ * Power on a core with specified cluster and core index
+ *
+ * @cluster: the cluster ID of the CPU which to be powered on
+ * @cpu: the CPU ID of the CPU which to be powered on
+ */
+void spm_poweron_cpu(int cluster, int cpu)
+{
+	INFO("spmc: power on core %d.%d\n", cluster, cpu);
+
+	/* STA_POWER_ON */
+	/* Start to turn on MP0_CPU0 */
+
+	/* Set PWR_RST_B = 1 */
+	mmio_setbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
+
+	/* Set PWR_ON = 1 */
+	mmio_setbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_ON);
+
+	/* Wait until MP0_CPU0_PWR_STA_MASK = 1 */
+	while (!spm_get_cpu_powerstate(cluster, cpu))
+		;
+
+	/* Finish to turn on MP0_CPU0 */
+	INFO("spmc: power on core %d.%d successfully\n", cluster, cpu);
+}
+
+/**
+ * Power off a core with specified cluster and core index
+ *
+ * @cluster: the cluster ID of the CPU which to be powered off
+ * @cpu: the CPU ID of the CPU which to be powered off
+ */
+void spm_poweroff_cpu(int cluster, int cpu)
+{
+	INFO("spmc: power off core %d.%d\n", cluster, cpu);
+
+	/* Start to turn off MP0_CPU0 */
+	/* Set PWR_ON_2ND = 0 */
+	mmio_clrbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_ON_2ND);
+
+	/* Set PWR_ON = 0 */
+	mmio_clrbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_ON);
+
+	/* Wait until MP0_CPU0_PWR_STA_MASK = 0 */
+	while (spm_get_cpu_powerstate(cluster, cpu))
+		;
+
+	/* Set PWR_RST_B = 0 */
+	mmio_clrbits_32(per_cpu(cluster, cpu, SPM_CPU_PWR), PWRCTRL_PWR_RST_B);
+
+	/* Finish to turn off MP0_CPU0 */
+	INFO("spmc: power off core %d.%d successfully\n", cluster, cpu);
+}
+
+/**
+ * Power off a cluster with specified index
+ *
+ * @cluster: the cluster index which to be powered off
+ */
+void spm_poweroff_cluster(int cluster)
+{
+	uint32_t mask;
+	uint32_t pwr_rst_ctl;
+
+	INFO("spmc: power off cluster %d\n", cluster);
+
+	/* Start to turn off MP0_CPUTOP */
+	/* Set bus protect - step1 : 0 */
+	mask = (cluster) ? MP1_CPUTOP_PROT_STEP1_0_MASK :
+			   MP0_CPUTOP_PROT_STEP1_0_MASK;
+	mmio_write_32(INFRA_TOPAXI_PROTECTEN_1_SET, mask);
+
+	while ((mmio_read_32(INFRA_TOPAXI_PROTECTEN_STA1_1) & mask) != mask)
+		;
+
+	/* Set PWR_ON_2ND = 0 */
+	mmio_clrbits_32(per_cluster(cluster, SPM_CLUSTER_PWR),
+			PWRCTRL_PWR_ON_2ND);
+
+	/* SPMC_DORMANT_ENABLE[0]=0 */
+	mask = (cluster) ? MP1_SPMC_SRAM_DORMANT_EN : MP0_SPMC_SRAM_DORMANT_EN;
+	mmio_clrbits_32(SPM_SPMC_DORMANT_ENABLE, mask);
+
+	/* Set PWR_ON = 0" */
+	mmio_clrbits_32(per_cluster(cluster, SPM_CLUSTER_PWR), PWRCTRL_PWR_ON);
+
+	/* Wait until MP0_CPUTOP_PWR_STA_MASK = 0 */
+	while (spm_get_cluster_powerstate(cluster))
+		;
+
+	/* NOTE
+	 * Following flow only for BIG core cluster. It was from
+	 * application note but not covered in mtcmos_ctrl.c
+	 */
+	if (cluster) {
+		pwr_rst_ctl = mmio_read_32(MCUCFG_MP2_PWR_RST_CTL);
+		mmio_write_32(MCUCFG_MP2_PWR_RST_CTL,
+				(pwr_rst_ctl & ~SW_RST_B) | TOPAON_APB_MASK);
+	}
+
+	/* CPU_EXT_BUCK_ISO[0]=1 */
+	if (cluster)
+		mmio_setbits_32(SPM_CPU_EXT_BUCK_ISO, MP1_EXT_BUCK_ISO);
+
+	/* Finish to turn off MP0_CPUTOP */
+	INFO("spmc: power off cluster %d successfully\n", cluster);
+}
+
+/**
+ * Power on a cluster with specified index
+ *
+ * @cluster: the cluster index which to be powered on
+ */
+void spm_poweron_cluster(int cluster)
+{
+	uint32_t mask;
+	uint32_t pwr_rst_ctl;
+
+	INFO("spmc: power on cluster %d\n", cluster);
+
+	/* Start to turn on MP1_CPUTOP */
+
+	/* NOTE
+	 * Following flow only for BIG core cluster. It was from
+	 * application note but not covered in mtcmos_ctrl.c
+	 */
+	if (cluster) {
+		mmio_clrbits_32(MCUCFG_MP2_PWR_RST_CTL, SW_RST_B);
+
+		/* CPU_EXT_BUCK_ISO[1]=0 */
+		/* Set mp<n>_vproc_ext_off to 0 to release vproc isolation control */
+		mmio_clrbits_32(SPM_CPU_EXT_BUCK_ISO, MP1_EXT_BUCK_ISO);
+
+		/* NOTE
+		 * Following flow only for BIG core cluster. It was from
+		 * application note but not covered in mtcmos_ctrl.c
+		 */
+		pwr_rst_ctl = mmio_read_32(MCUCFG_MP2_PWR_RST_CTL);
+		mmio_write_32(MCUCFG_MP2_PWR_RST_CTL,
+				(pwr_rst_ctl | SW_RST_B) & ~TOPAON_APB_MASK);
+	}
+
+	/* Set PWR_ON_2ND = 0 */
+	mmio_clrbits_32(per_cluster(cluster, SPM_CLUSTER_PWR),
+			PWRCTRL_PWR_ON_2ND);
+
+	/* Set PWR_RST_B = 1 */
+	mmio_setbits_32(per_cluster(cluster, SPM_CLUSTER_PWR),
+			PWRCTRL_PWR_RST_B);
+
+	/* Set PWR_CLK_DIS = 0 */
+	mmio_clrbits_32(per_cluster(cluster, SPM_CLUSTER_PWR),
+			PWRCTRL_PWR_CLK_DIS);
+
+	/* Set PWR_ON = 1 */
+	mmio_setbits_32(per_cluster(cluster, SPM_CLUSTER_PWR), PWRCTRL_PWR_ON);
+
+	/* Wait until MP1_CPUTOP_PWR_STA_MASK = 1 */
+	while (!spm_get_cluster_powerstate(cluster))
+		;
+
+	/* Release bus protect - step1 : 0 */
+	mask = (cluster) ? MP1_CPUTOP_PROT_STEP1_0_MASK :
+			   MP0_CPUTOP_PROT_STEP1_0_MASK;
+	mmio_write_32(INFRA_TOPAXI_PROTECTEN_1_CLR, mask);
+
+	/* Finish to turn on MP1_CPUTOP */
+	INFO("spmc: power on cluster %d successfully\n", cluster);
+}

plat/mediatek/mt8183/drivers/spmc/mtspmc.h

+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MTSPMC_H
+#define MTSPMC_H
+
+/*
+ * CONFIG_SPMC_MODE: Select CPU power control mode.
+ *
+ * 0: Legacy
+ *   Control power flow from SW through SPM register (MP*_PWR_CON).
+ * 1: HW
+ *   Control power flow from SPMC. Most control flow and timing are handled
+ *   by SPMC.
+ */
+#define SPMC_MODE   1
+
+int spmc_init(void);
+
+void spm_poweron_cpu(int cluster, int cpu);
+void spm_poweroff_cpu(int cluster, int cpu);
+
+void spm_poweroff_cluster(int cluster);
+void spm_poweron_cluster(int cluster);
+
+int spm_get_cpu_powerstate(int cluster, int cpu);
+int spm_get_cluster_powerstate(int cluster);
+int spm_get_powerstate(uint32_t mask);
+
+void spm_enable_cpu_auto_off(int cluster, int cpu);
+void spm_disable_cpu_auto_off(int cluster, int cpu);
+void spm_set_cpu_power_off(int cluster, int cpu);
+void spm_enable_cluster_auto_off(int cluster);
+
+void mcucfg_init_archstate(int cluster, int cpu, int arm64);
+void mcucfg_set_bootaddr(int cluster, int cpu, uintptr_t bootaddr);
+uintptr_t mcucfg_get_bootaddr(int cluster, int cpu);
+
+#endif /* MTSPMC_H */

plat/mediatek/mt8183/drivers/spmc/mtspmc_private.h

+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MTSPMC_PRIVATE_H
+#define MTSPMC_PRIVATE_H
+
+/*
+ * per_cpu/cluster helper
+ */
+struct per_cpu_reg {
+	int cluster_addr;
+	int cpu_stride;
+};
+
+#define per_cpu(cluster, cpu, reg)	(reg[cluster].cluster_addr + \
+					(cpu << reg[cluster].cpu_stride))
+#define per_cluster(cluster, reg)	(reg[cluster].cluster_addr)
+
+/* SPMC related registers */
+#define SPM_POWERON_CONFIG_EN		(SPM_BASE + 0x000)
+/* bit-fields of SPM_POWERON_CONFIG_EN */
+#define BCLK_CG_EN			(1 << 0)
+#define MD_BCLK_CG_EN			(1 << 1)
+#define PROJECT_CODE			(0xb16 << 16)
+
+#define SPM_PWR_STATUS			(SPM_BASE + 0x180)
+#define SPM_PWR_STATUS_2ND		(SPM_BASE + 0x184)
+
+#define SPM_BYPASS_SPMC			(SPM_BASE + 0x2b4)
+#define SPM_SPMC_DORMANT_ENABLE		(SPM_BASE + 0x2b8)
+
+#define SPM_MP0_CPUTOP_PWR_CON		(SPM_BASE + 0x204)
+#define SPM_MP0_CPU0_PWR_CON		(SPM_BASE + 0x208)
+#define SPM_MP0_CPU1_PWR_CON		(SPM_BASE + 0x20C)
+#define SPM_MP0_CPU2_PWR_CON		(SPM_BASE + 0x210)
+#define SPM_MP0_CPU3_PWR_CON		(SPM_BASE + 0x214)
+#define SPM_MP1_CPUTOP_PWR_CON		(SPM_BASE + 0x218)
+#define SPM_MP1_CPU0_PWR_CON		(SPM_BASE + 0x21C)
+#define SPM_MP1_CPU1_PWR_CON		(SPM_BASE + 0x220)
+#define SPM_MP1_CPU2_PWR_CON		(SPM_BASE + 0x224)
+#define SPM_MP1_CPU3_PWR_CON		(SPM_BASE + 0x228)
+#define SPM_MP0_CPUTOP_L2_PDN		(SPM_BASE + 0x240)
+#define SPM_MP0_CPUTOP_L2_SLEEP_B	(SPM_BASE + 0x244)
+#define SPM_MP0_CPU0_L1_PDN		(SPM_BASE + 0x248)
+#define SPM_MP0_CPU1_L1_PDN		(SPM_BASE + 0x24C)
+#define SPM_MP0_CPU2_L1_PDN		(SPM_BASE + 0x250)
+#define SPM_MP0_CPU3_L1_PDN		(SPM_BASE + 0x254)
+#define SPM_MP1_CPUTOP_L2_PDN		(SPM_BASE + 0x258)
+#define SPM_MP1_CPUTOP_L2_SLEEP_B	(SPM_BASE + 0x25C)
+#define SPM_MP1_CPU0_L1_PDN		(SPM_BASE + 0x260)
+#define SPM_MP1_CPU1_L1_PDN		(SPM_BASE + 0x264)
+#define SPM_MP1_CPU2_L1_PDN		(SPM_BASE + 0x268)
+#define SPM_MP1_CPU3_L1_PDN		(SPM_BASE + 0x26C)
+
+#define SPM_CPU_EXT_BUCK_ISO		(SPM_BASE + 0x290)
+/* bit-fields of SPM_CPU_EXT_BUCK_ISO */
+#define MP0_EXT_BUCK_ISO		(1 << 0)
+#define MP1_EXT_BUCK_ISO		(1 << 1)
+#define MP_EXT_BUCK_ISO			(1 << 2)
+
+/* bit-fields of SPM_PWR_STATUS */
+#define PWR_STATUS_MD			(1 << 0)
+#define PWR_STATUS_CONN			(1 << 1)
+#define PWR_STATUS_DDRPHY		(1 << 2)
+#define PWR_STATUS_DISP			(1 << 3)
+#define PWR_STATUS_MFG			(1 << 4)
+#define PWR_STATUS_ISP			(1 << 5)
+#define PWR_STATUS_INFRA		(1 << 6)
+#define PWR_STATUS_VDEC			(1 << 7)
+#define PWR_STATUS_MP0_CPUTOP		(1 << 8)
+#define PWR_STATUS_MP0_CPU0		(1 << 9)
+#define PWR_STATUS_MP0_CPU1		(1 << 10)
+#define PWR_STATUS_MP0_CPU2		(1 << 11)
+#define PWR_STATUS_MP0_CPU3		(1 << 12)
+#define PWR_STATUS_MCUSYS		(1 << 14)
+#define PWR_STATUS_MP1_CPUTOP		(1 << 15)
+#define PWR_STATUS_MP1_CPU0		(1 << 16)
+#define PWR_STATUS_MP1_CPU1		(1 << 17)
+#define PWR_STATUS_MP1_CPU2		(1 << 18)
+#define PWR_STATUS_MP1_CPU3		(1 << 19)
+#define PWR_STATUS_VEN			(1 << 21)
+#define PWR_STATUS_MFG_ASYNC		(1 << 23)
+#define PWR_STATUS_AUDIO		(1 << 24)
+#define PWR_STATUS_C2K			(1 << 28)
+#define PWR_STATUS_MD_INFRA		(1 << 29)
+
+
+/* bit-fields of SPM_*_PWR_CON */
+#define PWRCTRL_PWR_RST_B		(1 << 0)
+#define PWRCTRL_PWR_ISO			(1 << 1)
+#define PWRCTRL_PWR_ON			(1 << 2)
+#define PWRCTRL_PWR_ON_2ND		(1 << 3)
+#define PWRCTRL_PWR_CLK_DIS		(1 << 4)
+#define PWRCTRL_PWR_SRAM_CKISO		(1 << 5)
+#define PWRCTRL_PWR_SRAM_ISOINT_B	(1 << 6)
+#define PWRCTRL_PWR_SRAM_PD_SLPB_CLAMP	(1 << 7)
+#define PWRCTRL_PWR_SRAM_PDN		(1 << 8)
+#define PWRCTRL_PWR_SRAM_SLEEP_B	(1 << 12)
+#define PWRCTRL_PWR_SRAM_PDN_ACK	(1 << 24)
+#define PWRCTRL_PWR_SRAM_SLEEP_B_ACK	(1 << 28)
+
+/* per_cpu registers for SPM_MP?_CPU?_PWR_CON */
+static const struct per_cpu_reg SPM_CPU_PWR[] = {
+	[0] = { .cluster_addr = SPM_MP0_CPU0_PWR_CON, .cpu_stride = 2 },
+	[1] = { .cluster_addr = SPM_MP1_CPU0_PWR_CON, .cpu_stride = 2 },
+};
+
+/* per_cluster registers for SPM_MP?_CPUTOP_PWR_CON */
+static const struct per_cpu_reg SPM_CLUSTER_PWR[] = {
+	[0] = { .cluster_addr = SPM_MP0_CPUTOP_PWR_CON },
+	[1] = { .cluster_addr = SPM_MP1_CPUTOP_PWR_CON },
+};
+
+/* APB Module infracfg_ao */
+#define INFRA_TOPAXI_PROTECTEN_1	(INFRACFG_AO_BASE + 0x250)
+#define INFRA_TOPAXI_PROTECTEN_STA1_1	(INFRACFG_AO_BASE + 0x258)
+#define INFRA_TOPAXI_PROTECTEN_1_SET	(INFRACFG_AO_BASE + 0x2A8)
+#define INFRA_TOPAXI_PROTECTEN_1_CLR	(INFRACFG_AO_BASE + 0x2AC)
+
+/* bit-fields of INFRA_TOPAXI_PROTECTEN_1_SET */
+#define MP0_CPUTOP_PROT_STEP1_0_MASK	((1 << 10)|(1 << 12)| \
+					 (1 << 13)|(1 << 26))
+#define MP1_CPUTOP_PROT_STEP1_0_MASK	((1 << 11)|(1 << 14)| \
+					 (1 << 15)|(1 << 27))
+
+/* bit-fields of INFRA_TOPAXI_PROTECTEN_STA1_1 */
+#define MP0_CPUTOP_PROT_STEP1_0_ACK_MASK	((1 << 10)|(1 << 12)| \
+						(1 << 13)|(1 << 26))
+#define MP1_CPUTOP_PROT_STEP1_0_ACK_MASK	((1 << 11)|(1 << 14)| \
+						(1 << 15)|(1 << 27))
+
+
+/*
+ * MCU configuration registers
+ */
+#define MCUCFG_MP0_AXI_CONFIG	((uintptr_t)&mt8183_mcucfg->mp0_axi_config)
+#define MCUCFG_MP1_AXI_CONFIG	((uintptr_t)&mt8183_mcucfg->mp1_axi_config)
+/* bit-fields of MCUCFG_MP?_AXI_CONFIG */
+#define MCUCFG_AXI_CONFIG_BROADCASTINNER	(1 << 0)
+#define MCUCFG_AXI_CONFIG_BROADCASTOUTER	(1 << 1)
+#define MCUCFG_AXI_CONFIG_BROADCASTCACHEMAINT	(1 << 2)
+#define MCUCFG_AXI_CONFIG_SYSBARDISABLE		(1 << 3)
+#define MCUCFG_AXI_CONFIG_ACINACTM		(1 << 4)
+#define MCUCFG_AXI_CONFIG_AINACTS		(1 << 5)
+
+/* per_cpu registers for MCUCFG_MP?_AXI_CONFIG */
+static const struct per_cpu_reg MCUCFG_SCUCTRL[] = {
+	[0] = { .cluster_addr = MCUCFG_MP0_AXI_CONFIG },
+	[1] = { .cluster_addr = MCUCFG_MP1_AXI_CONFIG },
+};
+
+#define MCUCFG_MP0_MISC_CONFIG2 ((uintptr_t)&mt8183_mcucfg->mp0_misc_config[2])
+#define MCUCFG_MP0_MISC_CONFIG3 ((uintptr_t)&mt8183_mcucfg->mp0_misc_config[3])
+#define MCUCFG_MP1_MISC_CONFIG2 ((uintptr_t)&mt8183_mcucfg->mp1_misc_config[2])
+#define MCUCFG_MP1_MISC_CONFIG3 ((uintptr_t)&mt8183_mcucfg->mp1_misc_config[3])
+
+#define MCUCFG_CPUSYS0_SPARKVRETCNTRL	(MCUCFG_BASE + 0x1c00)
+/* bit-fields of MCUCFG_CPUSYS0_SPARKVRETCNTRL */
+#define CPU0_SPARK_VRET_CTRL		(0x3f << 0)
+#define CPU1_SPARK_VRET_CTRL		(0x3f << 8)
+#define CPU2_SPARK_VRET_CTRL		(0x3f << 16)
+#define CPU3_SPARK_VRET_CTRL		(0x3f << 24)
+
+/* SPARK control in little cores */
+#define MCUCFG_CPUSYS0_CPU0_SPMC_CTL	(MCUCFG_BASE + 0x1c30)
+#define MCUCFG_CPUSYS0_CPU1_SPMC_CTL	(MCUCFG_BASE + 0x1c34)
+#define MCUCFG_CPUSYS0_CPU2_SPMC_CTL	(MCUCFG_BASE + 0x1c38)
+#define MCUCFG_CPUSYS0_CPU3_SPMC_CTL	(MCUCFG_BASE + 0x1c3c)
+/* bit-fields of MCUCFG_CPUSYS0_CPU?_SPMC_CTL */
+#define SW_SPARK_EN			(1 << 0)
+#define SW_NO_WAIT_Q			(1 << 1)
+
+/* the MCUCFG which BIG cores used is at (MCUCFG_BASE + 0x2000) */
+#define MCUCFG_MP2_BASE			(MCUCFG_BASE + 0x2000)
+#define MCUCFG_MP2_PWR_RST_CTL		(MCUCFG_MP2_BASE + 0x8)
+/* bit-fields of MCUCFG_MP2_PWR_RST_CTL */
+#define SW_RST_B			(1 << 0)
+#define TOPAON_APB_MASK			(1 << 1)
+
+#define MCUCFG_MP2_CPUCFG		(MCUCFG_MP2_BASE + 0x208)
+
+#define MCUCFG_MP2_RVADDR0		(MCUCFG_MP2_BASE + 0x290)
+#define MCUCFG_MP2_RVADDR1		(MCUCFG_MP2_BASE + 0x298)
+#define MCUCFG_MP2_RVADDR2		(MCUCFG_MP2_BASE + 0x2c0)
+#define MCUCFG_MP2_RVADDR3		(MCUCFG_MP2_BASE + 0x2c8)
+
+/* SPMC control */
+#define MCUCFG_MP0_SPMC (MCUCFG_BASE + 0x788)
+#define MCUCFG_MP2_SPMC (MCUCFG_MP2_BASE + 0x2a0)
+#define MCUCFG_MP2_COQ  (MCUCFG_MP2_BASE + 0x2bC)
+
+/* per_cpu registers for MCUCFG_MP?_MISC_CONFIG2 */
+static const struct per_cpu_reg MCUCFG_BOOTADDR[] = {
+	[0] = { .cluster_addr = MCUCFG_MP0_MISC_CONFIG2, .cpu_stride = 3 },
+};
+
+/* per_cpu registers for MCUCFG_MP?_MISC_CONFIG3 */
+static const struct per_cpu_reg MCUCFG_INITARCH[] = {
+	[0] = { .cluster_addr = MCUCFG_MP0_MISC_CONFIG3 },
+	[1] = { .cluster_addr = MCUCFG_MP2_CPUCFG },
+};
+
+/* SPARK control in BIG cores */
+#define MCUCFG_MP2_PTP3_CPU0_SPMC0	(MCUCFG_MP2_BASE + 0x430)
+#define MCUCFG_MP2_PTP3_CPU0_SPMC1	(MCUCFG_MP2_BASE + 0x434)
+#define MCUCFG_MP2_PTP3_CPU1_SPMC0	(MCUCFG_MP2_BASE + 0x438)
+#define MCUCFG_MP2_PTP3_CPU1_SPMC1	(MCUCFG_MP2_BASE + 0x43c)
+#define MCUCFG_MP2_PTP3_CPU2_SPMC0	(MCUCFG_MP2_BASE + 0x440)
+#define MCUCFG_MP2_PTP3_CPU2_SPMC1	(MCUCFG_MP2_BASE + 0x444)
+#define MCUCFG_MP2_PTP3_CPU3_SPMC0	(MCUCFG_MP2_BASE + 0x448)
+#define MCUCFG_MP2_PTP3_CPU3_SPMC1	(MCUCFG_MP2_BASE + 0x44c)
+/* bit-fields of MCUCFG_MP2_PTP3_CPU?_SPMC? */
+#define SW_SPARK_EN			(1 << 0)
+#define SW_NO_WAIT_Q			(1 << 1)
+
+#define MCUCFG_MP2_SPARK2LDO		(MCUCFG_MP2_BASE + 0x700)
+/* bit-fields of MCUCFG_MP2_SPARK2LDO */
+#define SPARK_VRET_CTRL			(0x3f << 0)
+#define CPU0_SPARK_LDO_AMUXSEL		(0xf  << 6)
+#define CPU1_SPARK_LDO_AMUXSEL		(0xf  << 10)
+#define CPU2_SPARK_LDO_AMUXSEL		(0xf  << 14)
+#define CPU3_SPARK_LDO_AMUXSEL		(0xf  << 18)
+
+/* per_cpu registers for SPARK */
+static const struct per_cpu_reg MCUCFG_SPARK[] = {
+	[0] = { .cluster_addr = MCUCFG_CPUSYS0_CPU0_SPMC_CTL, .cpu_stride = 2 },
+	[1] = { .cluster_addr = MCUCFG_MP2_PTP3_CPU0_SPMC0, .cpu_stride = 3 },
+};
+
+/* per_cpu registers for SPARK2LDO */
+static const struct per_cpu_reg MCUCFG_SPARK2LDO[] = {
+	[0] = { .cluster_addr = MCUCFG_CPUSYS0_SPARKVRETCNTRL },
+	[1] = { .cluster_addr = MCUCFG_MP2_SPARK2LDO },
+};
+
+#endif /* MTSPMC_PRIVATE_H */

plat/mediatek/mt8183/include/mt_gic_v3.h

@@ -9,11 +9,6 @@
 
 #include <lib/mmio.h>
 
-enum irq_schedule_mode {
-	SW_MODE,
-	HW_MODE
-};
-
 #define GIC_INT_MASK (MCUCFG_BASE + 0x5e8)
 #define GIC500_ACTIVE_SEL_SHIFT 3
 #define GIC500_ACTIVE_SEL_MASK (0x7 << GIC500_ACTIVE_SEL_SHIFT)