summaryrefslogtreecommitdiff
path: root/src/mainboard
diff options
context:
space:
mode:
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/nyan/pmic.c71
-rw-r--r--src/mainboard/google/nyan_big/pmic.c66
2 files changed, 74 insertions, 63 deletions
diff --git a/src/mainboard/google/nyan/pmic.c b/src/mainboard/google/nyan/pmic.c
index e63d9f7e24..cea872602a 100644
--- a/src/mainboard/google/nyan/pmic.c
+++ b/src/mainboard/google/nyan/pmic.c
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright 2013 Google Inc.
+ * Copyright 2014 Google Inc.
* Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
@@ -33,42 +33,44 @@ enum {
struct as3722_init_reg {
u8 reg;
u8 val;
+ u8 delay;
};
static struct as3722_init_reg init_list[] = {
- {AS3722_SDO0, 0x3C},
- {AS3722_SDO1, 0x32},
- {AS3722_SDO2, 0x3C},
- {AS3722_SDO3, 0x00},
- {AS3722_SDO4, 0x00},
- {AS3722_SDO5, 0x50},
- {AS3722_SDO6, 0x28},
- {AS3722_LDO0, 0x8A},
- {AS3722_LDO1, 0x00},
- {AS3722_LDO2, 0x10},
- {AS3722_LDO3, 0x59},
- {AS3722_LDO4, 0x00},
- {AS3722_LDO5, 0x00},
- {AS3722_LDO6, 0x3F},
- {AS3722_LDO7, 0x00},
- {AS3722_LDO9, 0x00},
- {AS3722_LDO10, 0x00},
- {AS3722_LDO11, 0x00},
+ {AS3722_SDO0, 0x3C, 1},
+ {AS3722_SDO1, 0x32, 0},
+ {AS3722_LDO3, 0x59, 0},
+ {AS3722_SDO2, 0x3C, 0},
+ {AS3722_SDO3, 0x00, 0},
+ {AS3722_SDO4, 0x00, 0},
+ {AS3722_SDO5, 0x50, 0},
+ {AS3722_SDO6, 0x28, 1},
+ {AS3722_LDO0, 0x8A, 0},
+ {AS3722_LDO1, 0x00, 0},
+ {AS3722_LDO2, 0x10, 0},
+ {AS3722_LDO4, 0x00, 0},
+ {AS3722_LDO5, 0x00, 0},
+ {AS3722_LDO6, 0x3F, 0},
+ {AS3722_LDO7, 0x00, 0},
+ {AS3722_LDO9, 0x00, 0},
+ {AS3722_LDO10, 0x00, 0},
+ {AS3722_LDO11, 0x00, 1},
};
-#define AS3722_INIT_REG_LEN ARRAY_SIZE(init_list)
-static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val)
+static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val, int do_delay)
{
i2c_write(bus, AS3722_I2C_ADDR, reg, 1, &val, 1);
- udelay(10 * 1000);
+ if (do_delay)
+ udelay(500);
}
static void pmic_slam_defaults(unsigned bus)
{
int i;
-
- for (i = 0; i < AS3722_INIT_REG_LEN; i++)
- pmic_write_reg(bus, init_list[i].reg, init_list[i].val);
+ for (i = 0; i < ARRAY_SIZE(init_list); i++) {
+ struct as3722_init_reg *reg = &init_list[i];
+ pmic_write_reg(bus, reg->reg, reg->val, reg->delay);
+ }
}
void pmic_init(unsigned bus)
@@ -84,15 +86,18 @@ void pmic_init(unsigned bus)
/* First set VDD_CPU to 1.2V, then enable the VDD_CPU regulator. */
if (board_id() == 0)
- pmic_write_reg(bus, 0x00, 0x3c);
+ pmic_write_reg(bus, 0x00, 0x3c, 1);
else
- pmic_write_reg(bus, 0x00, 0x50);
+ pmic_write_reg(bus, 0x00, 0x50, 1);
/* First set VDD_GPU to 1.0V, then enable the VDD_GPU regulator. */
- pmic_write_reg(bus, 0x06, 0x28);
+ pmic_write_reg(bus, 0x06, 0x28, 1);
- /* First set VPP_FUSE to 1.2V, then enable the VPP_FUSE regulator. */
- pmic_write_reg(bus, 0x12, 0x10);
+ /*
+ * First set +1.2V_GEN_AVDD to 1.2V, then enable the +1.2V_GEN_AVDD
+ * regulator.
+ */
+ pmic_write_reg(bus, 0x12, 0x10, 1);
/*
* Bring up VDD_SDMMC via the AS3722 PMIC on the PWR I2C bus.
@@ -101,12 +106,12 @@ void pmic_init(unsigned bus)
* NOTE: We do this early because doing it later seems to hose the CPU
* power rail/partition startup. Need to debug.
*/
- pmic_write_reg(bus, 0x16, 0x3f);
+ pmic_write_reg(bus, 0x16, 0x3f, 1);
/*
* Panel power GPIO O4. Set mode for GPIO4 (0x0c to 7), then set
* the value (register 0x20 bit 4)
*/
- pmic_write_reg(bus, 0x0c, 0x07);
- pmic_write_reg(bus, 0x20, 0x10);
+ pmic_write_reg(bus, 0x0c, 0x07, 0);
+ pmic_write_reg(bus, 0x20, 0x10, 1);
}
diff --git a/src/mainboard/google/nyan_big/pmic.c b/src/mainboard/google/nyan_big/pmic.c
index 89e1f873c5..a6f6912a62 100644
--- a/src/mainboard/google/nyan_big/pmic.c
+++ b/src/mainboard/google/nyan_big/pmic.c
@@ -33,42 +33,45 @@ enum {
struct as3722_init_reg {
u8 reg;
u8 val;
+ u8 delay;
};
static struct as3722_init_reg init_list[] = {
- {AS3722_SDO0, 0x3C},
- {AS3722_SDO1, 0x32},
- {AS3722_SDO2, 0x3C},
- {AS3722_SDO3, 0x00},
- {AS3722_SDO4, 0x00},
- {AS3722_SDO5, 0x50},
- {AS3722_SDO6, 0x28},
- {AS3722_LDO0, 0x8A},
- {AS3722_LDO1, 0x00},
- {AS3722_LDO2, 0x10},
- {AS3722_LDO3, 0x59},
- {AS3722_LDO4, 0x00},
- {AS3722_LDO5, 0x00},
- {AS3722_LDO6, 0x3F},
- {AS3722_LDO7, 0x00},
- {AS3722_LDO9, 0x00},
- {AS3722_LDO10, 0x00},
- {AS3722_LDO11, 0x00},
+ {AS3722_SDO0, 0x3C, 1},
+ {AS3722_SDO1, 0x32, 0},
+ {AS3722_LDO3, 0x59, 0},
+ {AS3722_SDO2, 0x3C, 0},
+ {AS3722_SDO3, 0x00, 0},
+ {AS3722_SDO4, 0x00, 0},
+ {AS3722_SDO5, 0x50, 0},
+ {AS3722_SDO6, 0x28, 1},
+ {AS3722_LDO0, 0x8A, 0},
+ {AS3722_LDO1, 0x00, 0},
+ {AS3722_LDO2, 0x10, 0},
+ {AS3722_LDO4, 0x00, 0},
+ {AS3722_LDO5, 0x00, 0},
+ {AS3722_LDO6, 0x3F, 0},
+ {AS3722_LDO7, 0x00, 0},
+ {AS3722_LDO9, 0x00, 0},
+ {AS3722_LDO10, 0x00, 0},
+ {AS3722_LDO11, 0x00, 1},
};
-#define AS3722_INIT_REG_LEN ARRAY_SIZE(init_list)
-static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val)
+static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val, int do_delay)
{
i2c_write(bus, AS3722_I2C_ADDR, reg, 1, &val, 1);
- udelay(10 * 1000);
+ if (do_delay)
+ udelay(500);
}
static void pmic_slam_defaults(unsigned bus)
{
int i;
- for (i = 0; i < AS3722_INIT_REG_LEN; i++)
- pmic_write_reg(bus, init_list[i].reg, init_list[i].val);
+ for (i = 0; i < ARRAY_SIZE(init_list); i++) {
+ struct as3722_init_reg *reg = &init_list[i];
+ pmic_write_reg(bus, reg->reg, reg->val, reg->delay);
+ }
}
void pmic_init(unsigned bus)
@@ -83,13 +86,16 @@ void pmic_init(unsigned bus)
pmic_slam_defaults(bus);
/* First set VDD_CPU to 1.2V, then enable the VDD_CPU regulator. */
- pmic_write_reg(bus, 0x00, 0x50);
+ pmic_write_reg(bus, 0x00, 0x50, 1);
/* First set VDD_GPU to 1.0V, then enable the VDD_GPU regulator. */
- pmic_write_reg(bus, 0x06, 0x28);
+ pmic_write_reg(bus, 0x06, 0x28, 1);
- /* First set VPP_FUSE to 1.2V, then enable the VPP_FUSE regulator. */
- pmic_write_reg(bus, 0x12, 0x10);
+ /*
+ * First set +1.2V_GEN_AVDD to 1.2V, then enable the +1.2V_GEN_AVDD
+ * regulator.
+ */
+ pmic_write_reg(bus, 0x12, 0x10, 1);
/*
* Bring up VDD_SDMMC via the AS3722 PMIC on the PWR I2C bus.
@@ -98,12 +104,12 @@ void pmic_init(unsigned bus)
* NOTE: We do this early because doing it later seems to hose the CPU
* power rail/partition startup. Need to debug.
*/
- pmic_write_reg(bus, 0x16, 0x3f);
+ pmic_write_reg(bus, 0x16, 0x3f, 1);
/*
* Panel power GPIO O4. Set mode for GPIO4 (0x0c to 7), then set
* the value (register 0x20 bit 4)
*/
- pmic_write_reg(bus, 0x0c, 0x07);
- pmic_write_reg(bus, 0x20, 0x10);
+ pmic_write_reg(bus, 0x0c, 0x07, 0);
+ pmic_write_reg(bus, 0x20, 0x10, 1);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 13:07:28 +0000