diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0004-drivers-i2c-w83795-Add-option-to-use-auxiliary-SMBUS.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0004-drivers-i2c-w83795-Add-option-to-use-auxiliary-SMBUS.patch | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0004-drivers-i2c-w83795-Add-option-to-use-auxiliary-SMBUS.patch b/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0004-drivers-i2c-w83795-Add-option-to-use-auxiliary-SMBUS.patch deleted file mode 100644 index ccb52ae..0000000 --- a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/kgpe-d16/0004-drivers-i2c-w83795-Add-option-to-use-auxiliary-SMBUS.patch +++ /dev/null @@ -1,68 +0,0 @@ -From 8996dda2293b74ec84251cc2eefb7722acd6bd6b Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <tpearson@raptorengineeringinc.com> -Date: Sat, 17 Oct 2015 04:37:10 -0500 -Subject: [PATCH 004/143] drivers/i2c/w83795: Add option to use auxiliary - SMBUS controller - -Change-Id: I5a9b5eba992853b84b0cb6c3a1764edf42ac49b2 -Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> ---- - src/drivers/i2c/w83795/chip.h | 7 +++++++ - src/drivers/i2c/w83795/w83795.c | 17 +++++++++++++++++ - 2 files changed, 24 insertions(+) - -diff --git a/src/drivers/i2c/w83795/chip.h b/src/drivers/i2c/w83795/chip.h -index c8a42ea..9a3f847 100644 ---- a/src/drivers/i2c/w83795/chip.h -+++ b/src/drivers/i2c/w83795/chip.h -@@ -139,4 +139,11 @@ struct drivers_i2c_w83795_config { - uint8_t fan6_duty; /* % of full speed (0-100) */ - uint8_t fan7_duty; /* % of full speed (0-100) */ - uint8_t fan8_duty; /* % of full speed (0-100) */ -+ -+ uint8_t smbus_aux; /* 0 == device located on primary SMBUS, -+ * 1 == device located on first auxiliary -+ * SMBUS channel, -+ * <n> == device located on <n> auxiliary -+ * SMBUS channel -+ */ - }; -diff --git a/src/drivers/i2c/w83795/w83795.c b/src/drivers/i2c/w83795/w83795.c -index 0af272f..0f82e1c 100644 ---- a/src/drivers/i2c/w83795/w83795.c -+++ b/src/drivers/i2c/w83795/w83795.c -@@ -141,7 +141,18 @@ static void w83795_init(struct device *dev, w83795_fan_mode_t mode, u8 dts_src) - uint8_t val; - uint16_t limit_value; - -+#if IS_ENABLED(CONFIG_SMBUS_HAS_AUX_CHANNELS) -+ uint8_t smbus_aux_channel_prev = smbus_current_aux_channel(); -+ smbus_switch_to_aux_channel(config->smbus_aux); -+ printk(BIOS_DEBUG, "Set SMBUS controller to channel %d\n", config->smbus_aux); -+#endif -+ - if (smbus_read_byte(dev, 0x00) < 0) { -+#if IS_ENABLED(CONFIG_SMBUS_HAS_AUX_CHANNELS) -+ /* Restore SMBUS channel setting */ -+ smbus_switch_to_aux_channel(smbus_aux_channel_prev); -+ printk(BIOS_DEBUG, "Set SMBUS controller to channel %d\n", smbus_aux_channel_prev); -+#endif - printk(BIOS_ERR, "W83795G/ADG Nuvoton H/W Monitor not found\n"); - return; - } -@@ -332,6 +343,12 @@ static void w83795_init(struct device *dev, w83795_fan_mode_t mode, u8 dts_src) - val = w83795_read(dev, W83795_REG_CONFIG); - val |= W83795_REG_CONFIG_START; - w83795_write(dev, W83795_REG_CONFIG, val); -+ -+#if IS_ENABLED(CONFIG_SMBUS_HAS_AUX_CHANNELS) -+ /* Restore SMBUS channel setting */ -+ smbus_switch_to_aux_channel(smbus_aux_channel_prev); -+ printk(BIOS_DEBUG, "Set SMBUS controller to channel %d\n", smbus_aux_channel_prev); -+#endif - } - - static void w83795_hwm_init(struct device *dev) --- -1.7.9.5 - |