mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 07:22:33 +00:00
a11f2e6044
Add new package for building bootloader for the SiFive U-series boards. Supported
boards at this stage are the HiFive Unleashed and HiFive Unmatched.
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
(cherry picked from commit 91406797f9)
112 lines
3.1 KiB
Diff
112 lines
3.1 KiB
Diff
From 07f84ed283b913cbdf87181ae2ed65467d923df5 Mon Sep 17 00:00:00 2001
|
|
From: Vincent Chen <vincent.chen@sifive.com>
|
|
Date: Mon, 24 Jan 2022 02:57:40 -0800
|
|
Subject: [PATCH 2/2] board: sifive: spl: Set remote thermal of TMP451 to 85
|
|
deg C for the unmatched board
|
|
|
|
For TMP451 on the unmatched board, the default value of the remote
|
|
thermal threshold is 108 deg C. This commit initilizes it to 85 deg C at SPL.
|
|
---
|
|
board/sifive/unmatched/spl.c | 29 +++++++++++++++++++++++++++++
|
|
drivers/misc/Kconfig | 10 ++++++++++
|
|
include/configs/sifive-unmatched.h | 4 ++++
|
|
scripts/config_whitelist.txt | 1 +
|
|
4 files changed, 44 insertions(+)
|
|
|
|
--- a/board/sifive/unmatched/spl.c
|
|
+++ b/board/sifive/unmatched/spl.c
|
|
@@ -10,6 +10,8 @@
|
|
#include <spl.h>
|
|
#include <misc.h>
|
|
#include <log.h>
|
|
+#include <config.h>
|
|
+#include <i2c.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/io.h>
|
|
#include <asm/gpio.h>
|
|
@@ -26,6 +28,27 @@
|
|
#define MODE_SELECT_SD 0xb
|
|
#define MODE_SELECT_MASK GENMASK(3, 0)
|
|
|
|
+#define TMP451_REMOTE_THERM_LIMIT_REG_OFFSET 0x19
|
|
+#define TMP451_REMOTE_THERM_LIMIT_INIT_VALUE 0x55
|
|
+
|
|
+static inline int init_tmp451_remote_therm_limit(void)
|
|
+{
|
|
+ struct udevice *dev;
|
|
+ unsigned char r_therm_limit = TMP451_REMOTE_THERM_LIMIT_INIT_VALUE;
|
|
+ int ret;
|
|
+
|
|
+ ret = i2c_get_chip_for_busnum(CONFIG_SYS_TMP451_BUS_NUM,
|
|
+ CONFIG_SYS_I2C_TMP451_ADDR,
|
|
+ CONFIG_SYS_I2C_TMP451_ADDR_LEN,
|
|
+ &dev);
|
|
+
|
|
+ if (!ret)
|
|
+ ret = dm_i2c_write(dev, TMP451_REMOTE_THERM_LIMIT_REG_OFFSET,
|
|
+ &r_therm_limit,
|
|
+ sizeof(unsigned char));
|
|
+ return ret;
|
|
+}
|
|
+
|
|
static inline int spl_reset_device_by_gpio(const char *label, int pin, int low_width)
|
|
{
|
|
int ret;
|
|
@@ -92,6 +115,12 @@ int spl_board_init_f(void)
|
|
|
|
pwm_device_init();
|
|
|
|
+ ret = init_tmp451_remote_therm_limit();
|
|
+ if (ret) {
|
|
+ debug("TMP451 remote THERM limit init failed: %d\n", ret);
|
|
+ goto end;
|
|
+ }
|
|
+
|
|
ret = spl_gemgxl_init();
|
|
if (ret) {
|
|
debug("Gigabit ethernet PHY (VSC8541) init failed: %d\n", ret);
|
|
--- a/drivers/misc/Kconfig
|
|
+++ b/drivers/misc/Kconfig
|
|
@@ -536,8 +536,18 @@ config SYS_I2C_EEPROM_ADDR
|
|
depends on ID_EEPROM || I2C_EEPROM || SPL_I2C_EEPROM || CMD_EEPROM || ENV_IS_IN_EEPROM
|
|
default 0
|
|
|
|
+config SYS_I2C_TMP451_ADDR
|
|
+ hex "Chip address of the TMP451 device"
|
|
+ default 0
|
|
+
|
|
if I2C_EEPROM
|
|
|
|
+config SYS_I2C_TMP451_ADDR_LEN
|
|
+ int "Length in bytes of the TMP451 memory array address"
|
|
+ default 1
|
|
+ help
|
|
+ Note: This is NOT the chip address length!
|
|
+
|
|
config SYS_I2C_EEPROM_ADDR_OVERFLOW
|
|
hex "EEPROM Address Overflow"
|
|
default 0x0
|
|
--- a/include/configs/sifive-unmatched.h
|
|
+++ b/include/configs/sifive-unmatched.h
|
|
@@ -15,6 +15,10 @@
|
|
|
|
#define CONFIG_STANDALONE_LOAD_ADDR 0x80200000
|
|
|
|
+#define CONFIG_SYS_TMP451_BUS_NUM 0
|
|
+#define CONFIG_SYS_I2C_TMP451_ADDR 0x4c
|
|
+#define CONFIG_SYS_I2C_TMP451_ADDR_LEN 0x1
|
|
+
|
|
/* Environment options */
|
|
|
|
#define BOOT_TARGET_DEVICES(func) \
|
|
--- a/scripts/config_whitelist.txt
|
|
+++ b/scripts/config_whitelist.txt
|
|
@@ -1268,6 +1268,7 @@ CONFIG_SYS_TIMER_BASE
|
|
CONFIG_SYS_TIMER_COUNTER
|
|
CONFIG_SYS_TIMER_COUNTS_DOWN
|
|
CONFIG_SYS_TIMER_RATE
|
|
+CONFIG_SYS_TMP451_BUS_NUM
|
|
CONFIG_SYS_TMPVIRT
|
|
CONFIG_SYS_TSEC1_OFFSET
|
|
CONFIG_SYS_TX_ETH_BUFFER
|