3 files changed, 166 insertions, 0 deletions
diff --git a/plat/mediatek/mt8183/drivers/pmic/pmic.c b/plat/mediatek/mt8183/drivers/pmic/pmic.c
new file mode 100644
index 0000000..b0f898e
--- /dev/null
+++ b/plat/mediatek/mt8183/drivers/pmic/pmic.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <pmic_wrap_init.h>
+#include <pmic.h>
+
+void bcpu_enable(uint32_t en)
+{
+	pwrap_write(PMIC_VPROC11_OP_EN, 0x1);
+	if (en)
+		pwrap_write(PMIC_VPROC11_CON0, 1);
+	else
+		pwrap_write(PMIC_VPROC11_CON0, 0);
+}
+
+void bcpu_sram_enable(uint32_t en)
+{
+	pwrap_write(PMIC_VSRAM_PROC11_OP_EN, 0x1);
+	if (en)
+		pwrap_write(PMIC_VSRAM_PROC11_CON0, 1);
+	else
+		pwrap_write(PMIC_VSRAM_PROC11_CON0, 0);
+}
+
+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..f19f9f6
--- /dev/null
+++ b/plat/mediatek/mt8183/drivers/pmic/pmic.h
@@ -0,0 +1,30 @@
+/*
+ * 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,
+	PMIC_VPROC11_CON0 = 0x1388,
+	PMIC_VPROC11_OP_EN = 0x1390,
+	PMIC_VSRAM_PROC11_CON0 = 0x1b46,
+	PMIC_VSRAM_PROC11_OP_EN = 0x1b4e
+};
+
+enum {
+	PMIC_RG_SDN_DLY_ENB = 1U << 10
+};
+
+/* external API */
+void bcpu_enable(uint32_t en);
+void bcpu_sram_enable(uint32_t en);
+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 */