It adds support for automatic PSS object generation for AMD pre fam Fh CPU. Those...

[coreboot.git] / src / southbridge / amd / sb700 / early_setup.c

diff --git a/src/southbridge/amd/sb700/early_setup.c b/src/southbridge/amd/sb700/early_setup.c
index 552086a7ebc190e5b78ada7083c33f257e5a97ba..383b24f577510cd7187e0b303ddaa3259ecf9305 100644 (file)
--- 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)