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Diffstat (limited to 'src/drivers/i2c/adt7463/adt7463.c')
-rw-r--r--src/drivers/i2c/adt7463/adt7463.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/src/drivers/i2c/adt7463/adt7463.c b/src/drivers/i2c/adt7463/adt7463.c
deleted file mode 100644
index 475ea9a1a1..0000000000
--- a/src/drivers/i2c/adt7463/adt7463.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-
-#include <device/device.h>
-#include <console/console.h>
-#include <device/smbus.h>
-
-/**
- * Do some S2881-specific HWM initialization for the ADT7463 chip.
- *
- * Should be factored out so that it can be more general.
- *
- * See Analog Devices ADT7463 datasheet, Rev C (2004):
- * http://www.analog.com/en/prod/0,,766_825_ADT7463,00.html
- */
-static void adt7463_init(struct device *adt7463)
-{
- int result;
-
- printk(BIOS_DEBUG, "ADT7463 is %s\n", dev_path(adt7463));
-
- /* Set all fans to 'Fastest Speed Calculated by All 3 Temperature
- * Channels Controls PWMx'.
- */
- result = smbus_write_byte(adt7463, 0x5c, 0xc2);
- result = smbus_write_byte(adt7463, 0x5d, 0xc2);
- result = smbus_write_byte(adt7463, 0x5e, 0xc2);
-
- /* Make sure that our fans never stop when temp. falls below Tmin,
- * but rather keep going at minimum duty cycle (applies to automatic
- * fan control mode only).
- */
- result = smbus_write_byte(adt7463, 0x62, 0xc0);
-
- /* Set minimum PWM duty cycle to 25%, rather than the default 50%. */
- result = smbus_write_byte(adt7463, 0x64, 0x40);
- result = smbus_write_byte(adt7463, 0x65, 0x40);
- result = smbus_write_byte(adt7463, 0x66, 0x40);
-
- /* Set Tmin to 55C, rather than the default 90C. Above this temperature
- * the fans will start blowing harder as temperature increases
- * (automatic mode only).
- */
- result = smbus_write_byte(adt7463, 0x67, 0x37);
- result = smbus_write_byte(adt7463, 0x68, 0x37);
- result = smbus_write_byte(adt7463, 0x69, 0x37);
-
- /* Set THERM limit to 70C, rather than the default 100C.
- * The fans will kick in at 100% if the sensors reach this temperature,
- * (only in automatic mode, but supposedly even when hardware is
- * locked up). This is a failsafe measure.
- */
- result = smbus_write_byte(adt7463, 0x6a, 0x46);
- result = smbus_write_byte(adt7463, 0x6b, 0x46);
- result = smbus_write_byte(adt7463, 0x6c, 0x46);
-
- /* Remote temperature 1 offset (LSB == 0.25C). */
- result = smbus_write_byte(adt7463, 0x70, 0x02);
-
- /* Remote temperature 2 offset (LSB == 0.25C). */
- result = smbus_write_byte(adt7463, 0x72, 0x01);
-
- /* Set TACH measurements to normal (1/second). */
- result = smbus_write_byte(adt7463, 0x78, 0xf0);
-
- printk(BIOS_DEBUG, "ADT7463 properly initialized\n");
-}
-
-static struct device_operations adt7463_operations = {
- .read_resources = noop_read_resources,
- .set_resources = noop_set_resources,
- .init = adt7463_init,
-};
-
-static void enable_dev(struct device *dev)
-{
- dev->ops = &adt7463_operations;
-}
-
-struct chip_operations drivers_i2c_adt7463_ops = {
- CHIP_NAME("adt7463")
- .enable_dev = enable_dev,
-};