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intel/sandybridge: make sure to stay in HLT until reboot 

It also tells the compiler that we never leave here.

Change-Id: I824569efd46b577588387b29fc7781abf8c42385
Found-by: Coverity Scan
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/7579
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Patrick Georgi 2014-11-24 22:15:09 +01:00
parent 4a145052a3
commit 5f967492e3
1 changed files with 3 additions and 1 deletions
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2
src/northbridge/intel/sandybridge/raminit_native.c
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@ -3751,8 +3751,10 @@ void init_dram_ddr3(spd_raw_data * spds, int mobile, int min_tck,
if (!mrc_cache || mrc_cache->mrc_data_size < sizeof (ctrl)) { if (!mrc_cache || mrc_cache->mrc_data_size < sizeof (ctrl)) {
/* Failed S3 resume, reset to come up cleanly */ /* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9); outb(0x6, 0xcf9);
while (1) {
hlt(); hlt();
} }
}
memcpy(&ctrl, mrc_cache->mrc_data, sizeof (ctrl)); memcpy(&ctrl, mrc_cache->mrc_data, sizeof (ctrl));
} }