+++ /dev/null
-From 2ba4e6d78e0a63e5d491f9b01b498899e58cb58d Mon Sep 17 00:00:00 2001
-From: Vincent Chen <vincent.chen@sifive.com>
-Date: Mon, 15 Nov 2021 03:31:04 -0800
-Subject: [PATCH 1/5] board: sifive: spl: Initialized the PWM setting in the
- SPL stage
-
-LEDs and multiple fans can be controlled by SPL. This patch ensures
-that all fans have been enabled in the SPL stage. In addition, the
-LED's color will be set to yellow.
-
-Upstream-Status: Pending
-Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
----
- arch/riscv/include/asm/arch-fu740/eeprom.h | 15 ++++++
- board/sifive/unmatched/Makefile | 1 +
- board/sifive/unmatched/pwm.c | 57 ++++++++++++++++++++++
- board/sifive/unmatched/spl.c | 2 +
- 4 files changed, 75 insertions(+)
- create mode 100644 arch/riscv/include/asm/arch-fu740/eeprom.h
- create mode 100644 board/sifive/unmatched/pwm.c
-
---- /dev/null
-+++ b/arch/riscv/include/asm/arch-fu740/eeprom.h
-@@ -0,0 +1,15 @@
-+/* SPDX-License-Identifier: GPL-2.0 */
-+/*
-+ * Copyright (C) 2021 SiFive, Inc.
-+ *
-+ * Zong Li <zong.li@sifve.com>
-+ */
-+
-+#ifndef _ASM_RISCV_EEPROM_H
-+#define _ASM_RISCV_EEPROM_H
-+
-+#define PCB_REVISION_REV3 0x3
-+
-+u8 get_pcb_revision_from_eeprom(void);
-+
-+#endif /* _ASM_RISCV_EEPROM_H */
---- a/board/sifive/unmatched/Makefile
-+++ b/board/sifive/unmatched/Makefile
-@@ -9,3 +9,4 @@ obj-y += spl.o
- else
- obj-y += unmatched.o
- endif
-+obj-y += pwm.o
---- /dev/null
-+++ b/board/sifive/unmatched/pwm.c
-@@ -0,0 +1,57 @@
-+// SPDX-License-Identifier: GPL-2.0+
-+/*
-+ * Copyright (c) 2021, SiFive Inc
-+ *
-+ * Authors:
-+ * Vincent Chen <vincent.chen@sifive.com>
-+ * David Abdurachmanov <david.abdurachmanov@sifive.com>
-+ */
-+
-+#include <linux/io.h>
-+#include <asm/arch/eeprom.h>
-+
-+struct pwm_sifive_regs {
-+ unsigned int cfg; /* PWM configuration register */
-+ unsigned int pad0; /* Reserved */
-+ unsigned int cnt; /* PWM count register */
-+ unsigned int pad1; /* Reserved */
-+ unsigned int pwms; /* Scaled PWM count register */
-+ unsigned int pad2; /* Reserved */
-+ unsigned int pad3; /* Reserved */
-+ unsigned int pad4; /* Reserved */
-+ unsigned int cmp0; /* PWM 0 compare register */
-+ unsigned int cmp1; /* PWM 1 compare register */
-+ unsigned int cmp2; /* PWM 2 compare register */
-+ unsigned int cmp3; /* PWM 3 compare register */
-+};
-+
-+#define PWM0_BASE 0x10020000
-+#define PWM1_BASE 0x10021000
-+#define PWM_CFG_INIT 0x1000
-+#define PWM_CMP_ENABLE_VAL 0x0
-+#define PWM_CMP_DISABLE_VAL 0xffff
-+
-+void pwm_device_init(void)
-+{
-+ struct pwm_sifive_regs *pwm0, *pwm1;
-+ pwm0 = (struct pwm_sifive_regs *)PWM0_BASE;
-+ pwm1 = (struct pwm_sifive_regs *)PWM1_BASE;
-+ writel(PWM_CMP_DISABLE_VAL, (void *)&pwm0->cmp0);
-+ /* Set the 3-color PWM LEDs to yellow in SPL */
-+ writel(PWM_CMP_ENABLE_VAL, (void *)&pwm0->cmp1);
-+ writel(PWM_CMP_ENABLE_VAL, (void *)&pwm0->cmp2);
-+ writel(PWM_CMP_DISABLE_VAL, (void *)&pwm0->cmp3);
-+ writel(PWM_CFG_INIT, (void *)&pwm0->cfg);
-+
-+ writel(PWM_CMP_DISABLE_VAL, (void *)&pwm0->cmp3);
-+ /* Turn on all the fans, (J21), (J23) and (J24), on the unmatched board */
-+ /* The SoC fan(J21) on the rev3 board cannot be controled by PWM_COMP0,
-+ so here sets the initial value of PWM_COMP0 as DISABLE */
-+ if (get_pcb_revision_from_eeprom() == PCB_REVISION_REV3)
-+ writel(PWM_CMP_DISABLE_VAL, (void *)&pwm1->cmp1);
-+ else
-+ writel(PWM_CMP_ENABLE_VAL, (void *)&pwm1->cmp1);
-+ writel(PWM_CMP_ENABLE_VAL, (void *)&pwm1->cmp2);
-+ writel(PWM_CMP_ENABLE_VAL, (void *)&pwm1->cmp3);
-+ writel(PWM_CFG_INIT, (void *)&pwm1->cfg);
-+}
---- a/board/sifive/unmatched/spl.c
-+++ b/board/sifive/unmatched/spl.c
-@@ -90,6 +90,8 @@ int spl_board_init_f(void)
- goto end;
- }
-
-+ pwm_device_init();
-+
- ret = spl_gemgxl_init();
- if (ret) {
- debug("Gigabit ethernet PHY (VSC8541) init failed: %d\n", ret);
+++ /dev/null
-From 0dfab8fab80107aa4ad7d41a8ff47e5ff59632f9 Mon Sep 17 00:00:00 2001
-From: Vincent Chen <vincent.chen@sifive.com>
-Date: Mon, 24 Jan 2022 02:42:02 -0800
-Subject: [PATCH 2/5] board: sifive: Set LED's color to purple in the U-boot
- stage
-
-Set LED's color to purple in the U-boot stage. Because there are still
-some functions to be executed before board_early_init_f(), it means
-the LED's is not changed to purple instantly when entering the U-boot
-stage.
-
-Upstream-Status: Pending
-Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
----
- board/sifive/unmatched/pwm.c | 7 +++++++
- board/sifive/unmatched/unmatched.c | 6 ++++++
- configs/sifive_unmatched_defconfig | 1 +
- 3 files changed, 14 insertions(+)
-
---- a/board/sifive/unmatched/pwm.c
-+++ b/board/sifive/unmatched/pwm.c
-@@ -36,6 +36,7 @@ void pwm_device_init(void)
- struct pwm_sifive_regs *pwm0, *pwm1;
- pwm0 = (struct pwm_sifive_regs *)PWM0_BASE;
- pwm1 = (struct pwm_sifive_regs *)PWM1_BASE;
-+#ifdef CONFIG_SPL_BUILD
- writel(PWM_CMP_DISABLE_VAL, (void *)&pwm0->cmp0);
- /* Set the 3-color PWM LEDs to yellow in SPL */
- writel(PWM_CMP_ENABLE_VAL, (void *)&pwm0->cmp1);
-@@ -54,4 +55,10 @@ void pwm_device_init(void)
- writel(PWM_CMP_ENABLE_VAL, (void *)&pwm1->cmp2);
- writel(PWM_CMP_ENABLE_VAL, (void *)&pwm1->cmp3);
- writel(PWM_CFG_INIT, (void *)&pwm1->cfg);
-+#else
-+ /* Set the 3-color PWM LEDs to purple in U-boot */
-+ writel(PWM_CMP_DISABLE_VAL, (void *)&pwm0->cmp1);
-+ writel(PWM_CMP_ENABLE_VAL, (void *)&pwm0->cmp2);
-+ writel(PWM_CMP_ENABLE_VAL, (void *)&pwm0->cmp3);
-+#endif
- }
---- a/board/sifive/unmatched/unmatched.c
-+++ b/board/sifive/unmatched/unmatched.c
-@@ -22,6 +22,12 @@ void *board_fdt_blob_setup(int *err)
- return (ulong *)&_end;
- }
-
-+int board_early_init_f(void)
-+{
-+ pwm_device_init();
-+ return 0;
-+}
-+
- int board_init(void)
- {
- /* enable all cache ways */
---- a/configs/sifive_unmatched_defconfig
-+++ b/configs/sifive_unmatched_defconfig
-@@ -63,3 +63,4 @@ CONFIG_DM_SCSI=y
- CONFIG_USB=y
- CONFIG_USB_XHCI_HCD=y
- CONFIG_USB_XHCI_PCI=y
-+CONFIG_BOARD_EARLY_INIT_F=y
+++ /dev/null
-From 1a48019dd4b69dd76551217a61cc4cab9e92fd39 Mon Sep 17 00:00:00 2001
-From: Vincent Chen <vincent.chen@sifive.com>
-Date: Mon, 15 Nov 2021 03:39:07 -0800
-Subject: [PATCH 3/5] board: sifive: Set LED's color to blue before jumping to
- Linux
-
-The LED's color wil be changed from purple to blue before executing
-the sysboot command. Because the sysboot command includes the image loading
-from the boot partition, It means the LED's color is blue when executing
-"Retrieving file: /Image.gz".
-
-Upstream-Status: Pending
-Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
----
- include/configs/sifive-unmatched.h | 7 ++++++-
- 1 file changed, 6 insertions(+), 1 deletion(-)
-
---- a/include/configs/sifive-unmatched.h
-+++ b/include/configs/sifive-unmatched.h
-@@ -48,6 +48,11 @@
- "type_guid_gpt_system=" TYPE_GUID_SYSTEM "\0" \
- "partitions=" PARTS_DEFAULT "\0" \
- "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
-- BOOTENV
-+ "setled_blue=mw.l 0x10020024 0x0000ffff; mw.l 0x10020028 0x0000ffff; mw.l 0x1002002c 0x0\0" \
-+ BOOTENV \
-+ "boot_extlinux=" \
-+ "run setled_blue; " \
-+ "sysboot ${devtype} ${devnum}:${distro_bootpart} any " \
-+ "${scriptaddr} ${prefix}${boot_syslinux_conf};\0"
-
- #endif /* __SIFIVE_UNMATCHED_H */
+++ /dev/null
-From 877afdf63129caa64d70d4a1252eec44778cfa0e 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 4/5] 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.
-
-Upstream-Status: Pending
-Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
-Signed-off-by: Thomas Perrot <thomas.perrot@bootlin.com>
----
- board/sifive/unmatched/spl.c | 26 ++++++++++++++++++++++++++
- 1 file changed, 26 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 +28,24 @@
- #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(0, 0x4c, 0x1, &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 +112,12 @@ 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);
projects / thirdparty / openwrt.git / commitdiff
