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authorVadim Bendebury <vbendeb@chromium.org>2012-05-17 17:21:27 -0700
committerPatrick Georgi <patrick@georgi-clan.de>2012-05-29 11:29:24 +0200
commit71695d8a28f6081dc63a06203f68a5365aa9af97 (patch)
tree4fac5f77ff01f5e3c89db051ff8fe18a8eefca5f /src
parent984f9540c0ac2fe25d6057134b86aeca4a091803 (diff)
Fix full reset for Ivy Bridge platforms
Experiments have shown that writing plain value of 6 at byte io address of 0xcf9 causes the systems to reset and reboot reliably. Change-Id: Ie900e4b4014cded868647372b027918b7ff72578 Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: http://review.coreboot.org/1050 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src')
-rw-r--r--src/southbridge/intel/bd82x6x/reset.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/src/southbridge/intel/bd82x6x/reset.c b/src/southbridge/intel/bd82x6x/reset.c
index 29b69ff43a..5324142621 100644
--- a/src/southbridge/intel/bd82x6x/reset.c
+++ b/src/southbridge/intel/bd82x6x/reset.c
@@ -26,16 +26,7 @@ void soft_reset(void)
outb(0x04, 0xcf9);
}
-#if 0
void hard_reset(void)
{
- /* Try rebooting through port 0xcf9. */
- outb((1 << 2) | (1 << 1), 0xcf9);
-}
-#endif
-
-void hard_reset(void)
-{
- outb(0x02, 0xcf9);
outb(0x06, 0xcf9);
}