diff options
| author | Patrick Rudolph <siro@das-labor.org> | 2015-07-28 08:01:02 +0200 |
|---|---|---|
| committer | Vladimir Serbinenko <phcoder@gmail.com> | 2015-10-09 08:40:19 +0000 |
| commit | 3660c0fc658e4e20ef079f762dfc7ad05c83544c (patch) | |
| tree | 1953b7a041717aa3518a06bbdd5152753bc668b1 /src/northbridge/intel/sandybridge/raminit_mrc.c | |
| parent | a2bed346a1a45c822bc255e90a0bf6a6ae1d1d50 (diff) | |
| download | coreboot-3660c0fc658e4e20ef079f762dfc7ad05c83544c.tar.xz | |
northbridge/intel/sandybridge: Enable PEG clock-gating on demand
Activate PEG clock-gating only if all PEG devices are disabled.
Fixes system hang when trying to access PEG registers.
Test system:
* Intel Pentium CPU G2130
* Gigabyte GA-B75M-D3H
Change-Id: I7d62fbb83c16741965639cea1a0e4978d4e3d6da
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/11059
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/northbridge/intel/sandybridge/raminit_mrc.c')
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit_mrc.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit_mrc.c b/src/northbridge/intel/sandybridge/raminit_mrc.c index 053a4873cd..1f6b75c95f 100644 --- a/src/northbridge/intel/sandybridge/raminit_mrc.c +++ b/src/northbridge/intel/sandybridge/raminit_mrc.c @@ -199,13 +199,6 @@ static void report_memory_config(void) } } -static void post_system_agent_init(struct pei_data *pei_data) -{ - /* If PCIe init is skipped, set the PEG clock gating */ - if (!pei_data->pcie_init) - MCHBAR32(0x7010) = MCHBAR32(0x7010) | 0x01; -} - /** * Find PEI executable in coreboot filesystem and execute it. * @@ -288,6 +281,5 @@ void sdram_initialize(struct pei_data *pei_data) else intel_early_me_status(); - post_system_agent_init(pei_data); report_memory_config(); } |