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-rw-r--r--src/soc/mediatek/mt8195/Makefile.inc3
-rw-r--r--src/soc/mediatek/mt8195/include/soc/mt6360.h49
-rw-r--r--src/soc/mediatek/mt8195/mt6360.c233
3 files changed, 202 insertions, 83 deletions
diff --git a/src/soc/mediatek/mt8195/Makefile.inc b/src/soc/mediatek/mt8195/Makefile.inc
index e5846208688b..63848d4cbf6c 100644
--- a/src/soc/mediatek/mt8195/Makefile.inc
+++ b/src/soc/mediatek/mt8195/Makefile.inc
@@ -46,6 +46,7 @@ romstage-y += ../common/pmif_spmi.c pmif_spmi.c
romstage-y += ../common/mt6315.c mt6315.c
romstage-y += ../common/mt6359p.c mt6359p.c
romstage-y += mt6691.c
+romstage-y += mt6360.c
romstage-y += ../common/rtc.c ../common/rtc_osc_init.c ../common/rtc_mt6359p.c
ramstage-y += ../common/auxadc.c
@@ -58,6 +59,7 @@ ramstage-y += ../common/i2c.c i2c.c
ramstage-y += ../common/mcu.c
ramstage-y += ../common/mcupm.c
ramstage-y += ../common/mmu_operations.c mmu_operations.c
+ramstage-y += mt6360.c
ramstage-y += ../common/mtcmos.c mtcmos.c
ramstage-y += ../common/pll.c pll.c
ramstage-$(CONFIG_SPI_FLASH) += ../common/spi.c spi.c
@@ -69,7 +71,6 @@ ramstage-y += ../common/uart.c
ramstage-y += ../common/ufs.c
ramstage-y += ../common/usb.c usb.c
ramstage-y += ../common/wdt.c
-ramstage-y += mt6360.c
BL31_MAKEARGS += PLAT=mt8195
diff --git a/src/soc/mediatek/mt8195/include/soc/mt6360.h b/src/soc/mediatek/mt8195/include/soc/mt6360.h
index 3ac66faad3f8..77ae47dee14b 100644
--- a/src/soc/mediatek/mt8195/include/soc/mt6360.h
+++ b/src/soc/mediatek/mt8195/include/soc/mt6360.h
@@ -5,6 +5,25 @@
#include <stdint.h>
+#define MT6360_LDO_I2C_ADDR 0x64
+#define MT6360_PMIC_I2C_ADDR 0x1a
+
+#define MT6360_DATA(_enreg, _enmask, _vreg, _vmask, _table) \
+{ \
+ .enable_reg = _enreg, \
+ .enable_mask = _enmask, \
+ .vsel_reg = _vreg, \
+ .vsel_mask = _vmask, \
+ .vsel_table = _table, \
+ .vsel_table_len = ARRAY_SIZE(_table), \
+}
+
+enum {
+ MT6360_INDEX_LDO = 0,
+ MT6360_INDEX_PMIC,
+ MT6360_INDEX_COUNT,
+};
+
enum mt6360_ldo_id {
MT6360_LDO1 = 0,
MT6360_LDO2,
@@ -13,12 +32,38 @@ enum mt6360_ldo_id {
MT6360_LDO_COUNT,
};
-#define MT6360_LDO_I2C_ADDR 0x64
-#define MT6360_PMIC_I2C_ADDR 0x1A
+enum mt6360_pmic_id {
+ MT6360_PMIC_BUCK1 = 0,
+ MT6360_PMIC_BUCK2,
+ MT6360_PMIC_LDO6,
+ MT6360_PMIC_LDO7,
+ MT6360_PMIC_COUNT,
+};
+
+struct mt6360_i2c_data {
+ u8 bus;
+ u8 addr;
+};
+
+struct mt6360_data {
+ uint8_t enable_reg;
+ uint8_t enable_mask;
+ uint8_t vsel_reg;
+ uint8_t vsel_mask;
+ const uint32_t *vsel_table;
+ uint32_t vsel_table_len;
+};
void mt6360_init(uint8_t bus);
+
void mt6360_ldo_enable(enum mt6360_ldo_id ldo_id, uint8_t enable);
uint8_t mt6360_ldo_is_enabled(enum mt6360_ldo_id ldo_id);
void mt6360_ldo_set_voltage(enum mt6360_ldo_id ldo_id, u32 voltage_uv);
u32 mt6360_ldo_get_voltage(enum mt6360_ldo_id ldo_id);
+
+void mt6360_pmic_enable(enum mt6360_pmic_id pmic_id, uint8_t enable);
+uint8_t mt6360_pmic_is_enabled(enum mt6360_pmic_id pmic_id);
+void mt6360_pmic_set_voltage(enum mt6360_pmic_id pmic_id, u32 voltage_uv);
+u32 mt6360_pmic_get_voltage(enum mt6360_pmic_id pmic_id);
+
#endif
diff --git a/src/soc/mediatek/mt8195/mt6360.c b/src/soc/mediatek/mt8195/mt6360.c
index 9ca3b604bf5a..7408e2640ce6 100644
--- a/src/soc/mediatek/mt8195/mt6360.c
+++ b/src/soc/mediatek/mt8195/mt6360.c
@@ -6,21 +6,11 @@
#include <stdbool.h>
#include <string.h>
-enum {
- LDO_INDEX = 0,
- PMIC_INDEX,
-};
-
-struct mt6360_i2c_data {
- u8 bus;
- u8 addr;
-};
-
static struct mt6360_i2c_data i2c_data[] = {
- [LDO_INDEX] = {
+ [MT6360_INDEX_LDO] = {
.addr = MT6360_LDO_I2C_ADDR,
},
- [PMIC_INDEX] = {
+ [MT6360_INDEX_PMIC] = {
.addr = MT6360_PMIC_I2C_ADDR,
},
};
@@ -51,35 +41,22 @@ static const uint32_t mt6360_ldo5_vsel_table[0x10] = {
[0x5] = 3300000,
};
-struct mt6360_ldo_data {
- uint8_t enable_reg;
- uint8_t enable_mask;
- uint8_t vsel_reg;
- uint8_t vsel_mask;
- const uint32_t *vsel_table;
- uint32_t vsel_table_len;
+static const struct mt6360_data ldo_data[MT6360_LDO_COUNT] = {
+ [MT6360_LDO1] = MT6360_DATA(0x17, 0x40, 0x1b, 0xff, mt6360_ldo1_vsel_table),
+ [MT6360_LDO2] = MT6360_DATA(0x11, 0x40, 0x15, 0xff, mt6360_ldo1_vsel_table),
+ [MT6360_LDO3] = MT6360_DATA(0x05, 0x40, 0x09, 0xff, mt6360_ldo3_vsel_table),
+ [MT6360_LDO5] = MT6360_DATA(0x0b, 0x40, 0x0f, 0xff, mt6360_ldo5_vsel_table),
};
-#define MT6360_LDO_DATA(_enreg, _enmask, _vreg, _vmask, _table) \
-{ \
- .enable_reg = _enreg, \
- .enable_mask = _enmask, \
- .vsel_reg = _vreg, \
- .vsel_mask = _vmask, \
- .vsel_table = _table, \
- .vsel_table_len = ARRAY_SIZE(_table), \
-}
-
-
-static const struct mt6360_ldo_data ldo_data[MT6360_LDO_COUNT] = {
- [MT6360_LDO1] = MT6360_LDO_DATA(0x17, 0x40, 0x1B, 0xFF, mt6360_ldo1_vsel_table),
- [MT6360_LDO2] = MT6360_LDO_DATA(0x11, 0x40, 0x15, 0xFF, mt6360_ldo1_vsel_table),
- [MT6360_LDO3] = MT6360_LDO_DATA(0x05, 0x40, 0x09, 0xFF, mt6360_ldo3_vsel_table),
- [MT6360_LDO5] = MT6360_LDO_DATA(0x0B, 0x40, 0x0F, 0xFF, mt6360_ldo5_vsel_table),
+static const struct mt6360_data pmic_data[MT6360_PMIC_COUNT] = {
+ [MT6360_PMIC_BUCK1] = MT6360_DATA(0x17, 0x40, 0x10, 0xff, mt6360_ldo1_vsel_table),
+ [MT6360_PMIC_BUCK2] = MT6360_DATA(0x27, 0x40, 0x20, 0xff, mt6360_ldo1_vsel_table),
+ [MT6360_PMIC_LDO6] = MT6360_DATA(0x37, 0x40, 0x3b, 0xff, mt6360_ldo3_vsel_table),
+ [MT6360_PMIC_LDO7] = MT6360_DATA(0x31, 0x40, 0x35, 0xff, mt6360_ldo5_vsel_table),
};
#define CRC8_TABLE_SIZE 256
-static u8 crc8_table[CRC8_TABLE_SIZE];
+static u8 crc8_table[MT6360_INDEX_COUNT][CRC8_TABLE_SIZE];
static u8 crc8(const u8 table[CRC8_TABLE_SIZE], u8 *pdata, size_t nbytes)
{
@@ -91,9 +68,25 @@ static u8 crc8(const u8 table[CRC8_TABLE_SIZE], u8 *pdata, size_t nbytes)
return crc;
}
-static int mt6360_i2c_write_byte(struct mt6360_i2c_data *i2c, u8 reg, u8 data)
+static void crc8_populate_msb(u8 table[CRC8_TABLE_SIZE], u8 polynomial)
+{
+ int i, j;
+ const u8 msbit = 0x80;
+ u8 t = msbit;
+
+ table[0] = 0;
+
+ for (i = 1; i < CRC8_TABLE_SIZE; i *= 2) {
+ t = (t << 1) ^ (t & msbit ? polynomial : 0);
+ for (j = 0; j < i; j++)
+ table[i + j] = table[j] ^ t;
+ }
+}
+
+static int mt6360_i2c_write_byte(u8 index, u8 reg, u8 data)
{
u8 chunk[5] = { 0 };
+ struct mt6360_i2c_data *i2c = &i2c_data[index];
if ((reg & 0xc0) != 0) {
printk(BIOS_ERR, "%s: not support reg [%#x]\n", __func__, reg);
@@ -110,17 +103,18 @@ static int mt6360_i2c_write_byte(struct mt6360_i2c_data *i2c, u8 reg, u8 data)
chunk[0] = (i2c->addr & 0x7f) << 1;
chunk[1] = (reg & 0x3f);
chunk[2] = data;
- chunk[3] = crc8(crc8_table, chunk, 3);
+ chunk[3] = crc8(crc8_table[index], chunk, 3);
return i2c_write_raw(i2c->bus, i2c->addr, &chunk[1], 4);
}
-static int mt6360_i2c_read_byte(struct mt6360_i2c_data *i2c, u8 reg, u8 *data)
+static int mt6360_i2c_read_byte(u8 index, u8 reg, u8 *data)
{
u8 chunk[4] = { 0 };
u8 buf[2];
int ret;
u8 crc;
+ struct mt6360_i2c_data *i2c = &i2c_data[index];
ret = i2c_read_bytes(i2c->bus, i2c->addr, reg & 0x3f, buf, 2);
@@ -136,7 +130,7 @@ static int mt6360_i2c_read_byte(struct mt6360_i2c_data *i2c, u8 reg, u8 *data)
chunk[1] = (reg & 0x3f);
chunk[2] = buf[0];
chunk[3] = buf[1];
- crc = crc8(crc8_table, chunk, 3);
+ crc = crc8(crc8_table[index], chunk, 3);
if (chunk[3] != crc) {
printk(BIOS_ERR, "%s: incorrect CRC: expected %#x, got %#x",
@@ -154,7 +148,7 @@ static int mt6360_read_interface(u8 index, u8 reg, u8 *data, u8 mask, u8 shift)
int ret;
u8 val = 0;
- ret = mt6360_i2c_read_byte(&i2c_data[index], reg, &val);
+ ret = mt6360_i2c_read_byte(index, reg, &val);
if (ret < 0) {
printk(BIOS_ERR, "%s: fail, reg = %#x, ret = %d\n",
__func__, reg, ret);
@@ -170,7 +164,7 @@ static int mt6360_config_interface(u8 index, u8 reg, u8 data, u8 mask, u8 shift)
int ret;
u8 val = 0;
- ret = mt6360_i2c_read_byte(&i2c_data[index], reg, &val);
+ ret = mt6360_i2c_read_byte(index, reg, &val);
if (ret < 0) {
printk(BIOS_ERR, "%s: fail, reg = %#x, ret = %d\n",
__func__, reg, ret);
@@ -179,7 +173,7 @@ static int mt6360_config_interface(u8 index, u8 reg, u8 data, u8 mask, u8 shift)
val &= ~(mask << shift);
val |= (data << shift);
- return mt6360_i2c_write_byte(&i2c_data[index], reg, val);
+ return mt6360_i2c_write_byte(index, reg, val);
}
static bool is_valid_ldo(enum mt6360_ldo_id id)
@@ -192,17 +186,27 @@ static bool is_valid_ldo(enum mt6360_ldo_id id)
return true;
}
+static bool is_valid_pmic(enum mt6360_pmic_id id)
+{
+ if (id >= MT6360_PMIC_COUNT) {
+ printk(BIOS_ERR, "%s: PMIC %d is not supported\n", __func__, id);
+ return false;
+ }
+
+ return true;
+}
+
void mt6360_ldo_enable(enum mt6360_ldo_id id, uint8_t enable)
{
u8 val;
- const struct mt6360_ldo_data *data;
+ const struct mt6360_data *data;
if (!is_valid_ldo(id))
return;
data = &ldo_data[id];
- if (mt6360_read_interface(LDO_INDEX, data->enable_reg, &val, 0xFF, 0) < 0)
+ if (mt6360_read_interface(MT6360_INDEX_LDO, data->enable_reg, &val, 0xff, 0) < 0)
return;
if (enable)
@@ -210,20 +214,20 @@ void mt6360_ldo_enable(enum mt6360_ldo_id id, uint8_t enable)
else
val &= ~(data->enable_mask);
- mt6360_config_interface(LDO_INDEX, data->enable_reg, val, 0xFF, 0);
+ mt6360_config_interface(MT6360_INDEX_LDO, data->enable_reg, val, 0xff, 0);
}
uint8_t mt6360_ldo_is_enabled(enum mt6360_ldo_id id)
{
u8 val;
- const struct mt6360_ldo_data *data;
+ const struct mt6360_data *data;
if (!is_valid_ldo(id))
return 0;
data = &ldo_data[id];
- if (mt6360_read_interface(LDO_INDEX, data->enable_reg, &val, 0xFF, 0) < 0)
+ if (mt6360_read_interface(MT6360_INDEX_LDO, data->enable_reg, &val, 0xff, 0) < 0)
return 0;
return (val & data->enable_mask) ? 1 : 0;
@@ -235,7 +239,7 @@ void mt6360_ldo_set_voltage(enum mt6360_ldo_id id, u32 voltage_uv)
u32 voltage_uv_temp = 0;
int i;
- const struct mt6360_ldo_data *data;
+ const struct mt6360_data *data;
if (!is_valid_ldo(id))
return;
@@ -261,10 +265,10 @@ void mt6360_ldo_set_voltage(enum mt6360_ldo_id id, u32 voltage_uv)
}
voltage_uv_temp /= 10000;
- voltage_uv_temp = MIN(voltage_uv_temp, 0xA);
+ voltage_uv_temp = MIN(voltage_uv_temp, 0xa);
val |= (u8)voltage_uv_temp;
- mt6360_config_interface(LDO_INDEX, data->vsel_reg, val, 0xFF, 0);
+ mt6360_config_interface(MT6360_INDEX_LDO, data->vsel_reg, val, 0xff, 0);
}
u32 mt6360_ldo_get_voltage(enum mt6360_ldo_id id)
@@ -272,62 +276,131 @@ u32 mt6360_ldo_get_voltage(enum mt6360_ldo_id id)
u8 val;
u32 voltage_uv;
- const struct mt6360_ldo_data *data;
+ const struct mt6360_data *data;
if (!is_valid_ldo(id))
return 0;
data = &ldo_data[id];
- if (mt6360_read_interface(LDO_INDEX, data->vsel_reg, &val, 0xFF, 0) < 0)
+ if (mt6360_read_interface(MT6360_INDEX_LDO, data->vsel_reg, &val, 0xff, 0) < 0)
return 0;
- voltage_uv = data->vsel_table[(val & 0xF0) >> 4];
+ voltage_uv = data->vsel_table[(val & 0xf0) >> 4];
if (voltage_uv == 0) {
printk(BIOS_ERR, "%s: LDO %d read fail, reg = %#x\n", __func__, id, val);
return 0;
}
- val = MIN(val & 0x0F, 0x0A);
+ val = MIN(val & 0x0f, 0x0a);
voltage_uv += val * 10000;
return voltage_uv;
}
-static void crc8_populate_msb(u8 table[CRC8_TABLE_SIZE], u8 polynomial)
+void mt6360_init(uint8_t bus)
{
- int i, j;
- const u8 msbit = 0x80;
- u8 t = msbit;
+ u8 delay01, delay02, delay03, delay04;
- table[0] = 0;
+ crc8_populate_msb(crc8_table[MT6360_INDEX_LDO], 0x7);
+ crc8_populate_msb(crc8_table[MT6360_INDEX_PMIC], 0x7);
- for (i = 1; i < CRC8_TABLE_SIZE; i *= 2) {
- t = (t << 1) ^ (t & msbit ? polynomial : 0);
- for (j = 0; j < i; j++)
- table[i + j] = table[j] ^ t;
+ i2c_data[MT6360_INDEX_LDO].bus = bus;
+ i2c_data[MT6360_INDEX_PMIC].bus = bus;
+
+ mt6360_config_interface(MT6360_INDEX_PMIC, 0x07, 0x04, 0xff, 0);
+ mt6360_config_interface(MT6360_INDEX_PMIC, 0x08, 0x00, 0xff, 0);
+ mt6360_config_interface(MT6360_INDEX_PMIC, 0x09, 0x02, 0xff, 0);
+ mt6360_config_interface(MT6360_INDEX_PMIC, 0x0a, 0x00, 0xff, 0);
+
+ mt6360_read_interface(MT6360_INDEX_PMIC, 0x07, &delay01, 0xff, 0);
+ mt6360_read_interface(MT6360_INDEX_PMIC, 0x08, &delay02, 0xff, 0);
+ mt6360_read_interface(MT6360_INDEX_PMIC, 0x09, &delay03, 0xff, 0);
+ mt6360_read_interface(MT6360_INDEX_PMIC, 0x0a, &delay04, 0xff, 0);
+ printk(BIOS_DEBUG,
+ "%s: power off sequence delay: %#x, %#x, %#x, %#x\n",
+ __func__, delay01, delay02, delay03, delay04);
+}
+
+void mt6360_pmic_enable(enum mt6360_pmic_id id, uint8_t enable)
+{
+ u8 val;
+ const struct mt6360_data *data;
+
+ if (!is_valid_pmic(id))
+ return;
+
+ data = &pmic_data[id];
+
+ if (mt6360_read_interface(MT6360_INDEX_PMIC, data->enable_reg, &val, 0xff, 0) < 0)
+ return;
+
+ if (enable)
+ val |= data->enable_mask;
+ else
+ val &= ~(data->enable_mask);
+
+ mt6360_config_interface(MT6360_INDEX_PMIC, data->enable_reg, val, 0xff, 0);
+}
+
+uint8_t mt6360_pmic_is_enabled(enum mt6360_pmic_id id)
+{
+ u8 val;
+ const struct mt6360_data *data;
+
+ if (!is_valid_pmic(id))
+ return 0;
+
+ data = &pmic_data[id];
+
+ if (mt6360_read_interface(MT6360_INDEX_PMIC, data->enable_reg, &val, 0xff, 0) < 0)
+ return 0;
+
+ return (val & data->enable_mask) ? 1 : 0;
+}
+
+void mt6360_pmic_set_voltage(enum mt6360_pmic_id id, u32 voltage_uv)
+{
+ u8 val = 0;
+
+ const struct mt6360_data *data;
+
+ if (!is_valid_pmic(id))
+ return;
+
+ data = &pmic_data[id];
+
+ if (id == MT6360_PMIC_BUCK1 || id == MT6360_PMIC_BUCK2) {
+ val = (voltage_uv - 300000) / 5000;
+ } else if (id == MT6360_PMIC_LDO6 || id == MT6360_PMIC_LDO7) {
+ val = (((voltage_uv - 500000) / 100000) << 4);
+ val += (((voltage_uv - 500000) % 100000) / 10000);
}
+
+ mt6360_config_interface(MT6360_INDEX_PMIC, data->vsel_reg, val, 0xff, 0);
}
-void mt6360_init(uint8_t bus)
+u32 mt6360_pmic_get_voltage(enum mt6360_pmic_id id)
{
- u8 delay01, delay02, delay03, delay04;
+ u8 val;
+ u32 voltage_uv;
- crc8_populate_msb(crc8_table, 0x7);
+ const struct mt6360_data *data;
- i2c_data[LDO_INDEX].bus = bus;
- i2c_data[PMIC_INDEX].bus = bus;
+ if (!is_valid_pmic(id))
+ return 0;
- mt6360_config_interface(PMIC_INDEX, 0x07, 0x04, 0xFF, 0);
- mt6360_config_interface(PMIC_INDEX, 0x08, 0x00, 0xFF, 0);
- mt6360_config_interface(PMIC_INDEX, 0x09, 0x02, 0xFF, 0);
- mt6360_config_interface(PMIC_INDEX, 0x0A, 0x00, 0xFF, 0);
+ data = &pmic_data[id];
- mt6360_read_interface(PMIC_INDEX, 0x07, &delay01, 0xFF, 0);
- mt6360_read_interface(PMIC_INDEX, 0x08, &delay02, 0xFF, 0);
- mt6360_read_interface(PMIC_INDEX, 0x09, &delay03, 0xFF, 0);
- mt6360_read_interface(PMIC_INDEX, 0x0A, &delay04, 0xFF, 0);
- printk(BIOS_DEBUG,
- "%s: power off sequence delay: %#x, %#x, %#x, %#x\n",
- __func__, delay01, delay02, delay03, delay04);
+ if (mt6360_read_interface(MT6360_INDEX_PMIC, data->vsel_reg, &val, 0xff, 0) < 0)
+ return 0;
+
+ if (id == MT6360_PMIC_BUCK1 || id == MT6360_PMIC_BUCK2) {
+ voltage_uv = 300000 + val * 5000;
+ } else if (id == MT6360_PMIC_LDO6 || id == MT6360_PMIC_LDO7) {
+ voltage_uv = 500000 + 100000 * (val >> 4);
+ voltage_uv += MIN(val & 0xf, 0xa) * 10000;
+ }
+
+ return voltage_uv;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 11:04:00 +0000