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authorTom Warren <twarren@nvidia.com>2014-07-16 11:09:39 -0700
committerMarc Jones <marc.jones@se-eng.com>2015-03-13 00:10:33 +0100
commita6ca9353a878ffd874b4cec44e60b01cc6ab508c (patch)
treea493f634cb6e2cb1098b444af2687afcf755119c /src/mainboard/google/rush_ryu
parent2525885576e883f1018c9fb34fde0cce4fcd046a (diff)
downloadcoreboot-a6ca9353a878ffd874b4cec44e60b01cc6ab508c.tar.xz
ryu: Add TPS65913 regs/init for VDD_CPU 1.0V
Other default slams should be added later to the init table once we know what the kernel touches. But for now, only VDD_CPU is needed. Also slipped in a minor name change in mainboard.c BRANCH=none BUG=none TEST=none, no HW here for me to test on yet Change-Id: Ifbe86192449ed0466085808a0a12a15a7b6a1795 Signed-off-by: Tom Warren <twarren@nvidia.com> Reviewed-on: https://chromium-review.googlesource.com/208385 Reviewed-by: Aaron Durbin <adurbin@chromium.org> (cherry picked from commit 53b332fb12cd685fbec265695333a70c4064524c) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Reviewed-on: http://review.coreboot.org/8645 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/mainboard/google/rush_ryu')
-rw-r--r--src/mainboard/google/rush_ryu/mainboard.c2
-rw-r--r--src/mainboard/google/rush_ryu/pmic.c61
-rw-r--r--src/mainboard/google/rush_ryu/pmic.h89
3 files changed, 83 insertions, 69 deletions
diff --git a/src/mainboard/google/rush_ryu/mainboard.c b/src/mainboard/google/rush_ryu/mainboard.c
index 9b8e354b62..dff5954466 100644
--- a/src/mainboard/google/rush_ryu/mainboard.c
+++ b/src/mainboard/google/rush_ryu/mainboard.c
@@ -30,6 +30,6 @@ static void mainboard_enable(device_t dev)
}
struct chip_operations mainboard_ops = {
- .name = "rush",
+ .name = "rush_ryu",
.enable_dev = mainboard_enable,
};
diff --git a/src/mainboard/google/rush_ryu/pmic.c b/src/mainboard/google/rush_ryu/pmic.c
index 5fc3b176f4..8d5ea7aeec 100644
--- a/src/mainboard/google/rush_ryu/pmic.c
+++ b/src/mainboard/google/rush_ryu/pmic.c
@@ -23,45 +23,31 @@
#include <device/i2c.h>
#include <stdint.h>
#include <stdlib.h>
-
-#include "boardid.h"
#include "pmic.h"
#include "reset.h"
+/* A44/Ryu has a TI 65913 PMIC on bus 4 (PWR_I2C) */
+
enum {
- AS3722_I2C_ADDR = 0x40
+ TI65913_I2C_ADDR = 0x58
};
-struct as3722_init_reg {
+struct ti65913_init_reg {
u8 reg;
u8 val;
u8 delay;
};
-static struct as3722_init_reg init_list[] = {
- {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, 0x00, 0},
- {AS3722_LDO7, 0x00, 0},
- {AS3722_LDO9, 0x00, 0},
- {AS3722_LDO10, 0x00, 0},
- {AS3722_LDO11, 0x00, 1},
+static struct ti65913_init_reg init_list[] = {
+//TODO(twarren@nvidia.com): Add slams back to defaults
+// {TI65913_SMPS12_CTRL, 0x01, 0},
+// {TI65913_SMPS12_VOLTAGE, 0x38, 0},
+//etc.
};
static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val, int delay)
{
- if (i2c_writeb(bus, AS3722_I2C_ADDR, reg, val)) {
+ if (i2c_writeb(bus, TI65913_I2C_ADDR, reg, val)) {
printk(BIOS_ERR, "%s: reg = 0x%02X, value = 0x%02X failed!\n",
__func__, reg, val);
/* Reset the SoC on any PMIC write error */
@@ -75,38 +61,23 @@ static void pmic_write_reg(unsigned bus, uint8_t reg, uint8_t val, int delay)
static void pmic_slam_defaults(unsigned bus)
{
int i;
+
for (i = 0; i < ARRAY_SIZE(init_list); i++) {
- struct as3722_init_reg *reg = &init_list[i];
+ struct ti65913_init_reg *reg = &init_list[i];
pmic_write_reg(bus, reg->reg, reg->val, reg->delay);
}
}
void pmic_init(unsigned bus)
{
- /*
- * Don't need to set up VDD_CORE - already done - by OTP
- * Don't write SDCONTROL - it's already 0x7F, i.e. all SDs enabled.
- * Don't write LDCONTROL - it's already 0xFF, i.e. all LDOs enabled.
- */
+ /* Don't need to set up VDD_CORE - already done - by EC ?? */
/* Restore PMIC POR defaults, in case kernel changed 'em */
pmic_slam_defaults(bus);
- /* SDO0: Set VDD_CPU to 1.2V. */
- pmic_write_reg(bus, 0x00, 0x50, 1);
-
- /* SDO6: Set VDD_GPU to 1.0V. */
- pmic_write_reg(bus, 0x06, 0x28, 1);
-
- /* LDO2: Set +1.2V_GEN_AVDD to 1.2V */
- pmic_write_reg(bus, 0x12, 0x10, 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, 0);
- pmic_write_reg(bus, 0x20, 0x10, 1);
+ /* A44: Set VDD_CPU to 1.0V. */
+ pmic_write_reg(bus, TI65913_SMPS12_CTRL, 0x01, 1);
+ pmic_write_reg(bus, TI65913_SMPS12_VOLTAGE, 0x38, 0);
printk(BIOS_DEBUG, "PMIC init done\n");
}
diff --git a/src/mainboard/google/rush_ryu/pmic.h b/src/mainboard/google/rush_ryu/pmic.h
index b56c513416..1f102a70c2 100644
--- a/src/mainboard/google/rush_ryu/pmic.h
+++ b/src/mainboard/google/rush_ryu/pmic.h
@@ -17,32 +17,75 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef __MAINBOARD_GOOGLE_RUSH_PMIC_H__
-#define __MAINBOARD_GOOGLE_RUSH_PMIC_H__
+#ifndef __MAINBOARD_GOOGLE_RUSH_RYU_PMIC_H__
+#define __MAINBOARD_GOOGLE_RUSH_RYU_PMIC_H__
+/* A44/Ryu has a TI 65913 PMIC */
enum {
- AS3722_SDO0 = 0,
- AS3722_SDO1,
- AS3722_SDO2,
- AS3722_SDO3,
- AS3722_SDO4,
- AS3722_SDO5,
- AS3722_SDO6,
-
- AS3722_LDO0 = 0x10,
- AS3722_LDO1,
- AS3722_LDO2,
- AS3722_LDO3,
- AS3722_LDO4,
- AS3722_LDO5,
- AS3722_LDO6,
- AS3722_LDO7,
-
- AS3722_LDO9 = 0x19,
- AS3722_LDO10,
- AS3722_LDO11,
+ TI65913_SMPS12_CTRL = 0x20,
+ TI65913_SMPS12_TSTEP,
+ TI65913_SMPS12_FORCE,
+ TI65913_SMPS12_VOLTAGE,
+
+ TI65913_SMPS3_CTRL,
+ TI65913_SMPS3_VOLTAGE = 0x27,
+
+ TI65913_SMPS45_CTRL = 0x28,
+ TI65913_SMPS45_TSTEP,
+ TI65913_SMPS45_FORCE,
+ TI65913_SMPS45_VOLTAGE,
+
+ TI65913_SMPS6_CTRL = 0x2C,
+ TI65913_SMPS6_TSTEP,
+ TI65913_SMPS6_FORCE,
+ TI65913_SMPS6_VOLTAGE,
+
+ TI65913_SMPS7_CTRL = 0x30,
+ TI65913_SMPS7_VOLTAGE = 0x33,
+
+ TI65913_SMPS8_CTRL = 0x34,
+ TI65913_SMPS8_TSTEP,
+ TI65913_SMPS8_FORCE,
+ TI65913_SMPS8_VOLTAGE,
+
+ TI65913_SMPS9_CTRL = 0x38,
+ TI65913_SMPS9_VOLTAGE = 0x3B,
+
+ TI65913_SMPS10_CTRL = 0x3C,
+ TI65913_SMPS10_STATUS = 0x3F,
+
+ TI65913_LDO1_CTRL = 0x50,
+ TI65913_LDO1_VOLTAGE,
+ TI65913_LDO2_CTRL,
+ TI65913_LDO2_VOLTAGE,
+ TI65913_LDO3_CTRL,
+ TI65913_LDO3_VOLTAGE,
+ TI65913_LDO4_CTRL,
+ TI65913_LDO4_VOLTAGE,
+ TI65913_LDO5_CTRL,
+ TI65913_LDO5_VOLTAGE,
+ TI65913_LDO6_CTRL,
+ TI65913_LDO6_VOLTAGE,
+ TI65913_LDO7_CTRL,
+ TI65913_LDO7_VOLTAGE,
+ TI65913_LDO8_CTRL,
+ TI65913_LDO8_VOLTAGE,
+ TI65913_LDO9_CTRL,
+ TI65913_LDO9_VOLTAGE,
+
+ TI65913_LDOLN_CTRL = 0x62,
+ TI65913_LDOLN_VOLTAGE = 0x63,
+ TI65913_LDOUSB_CTRL = 0x64,
+ TI65913_LDOUSB_VOLTAGE = 0x65,
+
+ TI65913_LDO_CTRL = 0x6A,
+ TI65913_LDO_PD_CTRL1 = 0x6B,
+ TI65913_LDO_PD_CTRL2 = 0x6C,
+
+ TI65913_LDO_SHORT_STATUS1 = 0x6D,
+ TI65913_LDO_SHORT_STATUS2 = 0x6E,
};
void pmic_init(unsigned bus);
-#endif /* __MAINBOARD_GOOGLE_RUSH_PMIC_H__ */
+#endif /* __MAINBOARD_GOOGLE_RUSH_RYU_PMIC_H__ */