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-rw-r--r--src/southbridge/amd/sb700/early_setup.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/southbridge/amd/sb700/early_setup.c b/src/southbridge/amd/sb700/early_setup.c
index 552086a7eb..383b24f577 100644
--- a/src/southbridge/amd/sb700/early_setup.c
+++ b/src/southbridge/amd/sb700/early_setup.c
@@ -232,6 +232,12 @@ static void enable_fid_change_on_sb(u32 sbbusn, u32 sbdn)
pmio_write(0x42, byte);
pmio_write(0x89, 0x10);
+
+ /* Toggle the LDT_STOP# during FID/VID Change, this bit is documented
+ only in SB600!
+ While here, enable C states too
+ */
+ pmio_write(0x67, 0x6);
}
void hard_reset(void)