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-rw-r--r--src/mainboard/amd/dbm690t/mainboard.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/amd/dbm690t/mainboard.c b/src/mainboard/amd/dbm690t/mainboard.c
index 9f0c9398cf..568670f737 100644
--- a/src/mainboard/amd/dbm690t/mainboard.c
+++ b/src/mainboard/amd/dbm690t/mainboard.c
@@ -28,6 +28,7 @@
#include "chip.h"
#define ADT7461_ADDRESS 0x4C
+#define ARA_ADDRESS 0x0C /* Alert Response Address */
#define SMBUS_IO_BASE 0x1000
extern int do_smbus_read_byte(u32 smbus_io_base, u32 device, u32 address);
@@ -35,6 +36,8 @@ extern int do_smbus_write_byte(u32 smbus_io_base, u32 device, u32 address,
u8 val);
#define ADT7461_read_byte(address) \
do_smbus_read_byte(SMBUS_IO_BASE, ADT7461_ADDRESS, address)
+#define ARA_read_byte(address) \
+ do_smbus_read_byte(SMBUS_IO_BASE, ARA_ADDRESS, address)
#define ADT7461_write_byte(address, val) \
do_smbus_write_byte(SMBUS_IO_BASE, ADT7461_ADDRESS, address, val)
@@ -132,6 +135,7 @@ static void set_thermal_config()
ADT7461_write_byte(0x20, 0x55); /* Local THERM limit */
byte = ADT7461_read_byte(0x02); /* read status register to clear it */
+ ARA_read_byte(0x05); /* A hardware alert can only be cleared by the master sending an ARA as a read command */
printk_info("Init adt7461 end , status 0x02 %02x\n", byte);
/* sb600 settings for thermal config */