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Diffstat (limited to 'src/southbridge/intel/i82801dx/cmos_failover.c')
-rw-r--r--src/southbridge/intel/i82801dx/cmos_failover.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801dx/cmos_failover.c b/src/southbridge/intel/i82801dx/cmos_failover.c
new file mode 100644
index 0000000000..4821fad3d2
--- /dev/null
+++ b/src/southbridge/intel/i82801dx/cmos_failover.c
@@ -0,0 +1,16 @@
+//kind of cmos_err for ich5
+#define RTC_FAILED (1 <<2)
+#define GEN_PMCON_3 0xa4
+static void check_cmos_failed(void)
+{
+
+ uint8_t byte;
+ byte = pci_read_config8(PCI_DEV(0,0x1f,0),GEN_PMCON_3);
+ if( byte & RTC_FAILED){
+//clear bit 1 and bit 2
+ byte = cmos_read(RTC_BOOT_BYTE);
+ byte &= 0x0c;
+ byte |= CONFIG_MAX_REBOOT_CNT << 4;
+ cmos_write(byte, RTC_BOOT_BYTE);
+ }
+}