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| author | Vladimir Serbinenko <phcoder@gmail.com> | 2014-02-05 19:10:03 +0100 |
|---|---|---|
| committer | Vladimir Serbinenko <phcoder@gmail.com> | 2014-02-05 20:11:35 +0100 |
| commit | 79c712cb9e35ea9c0f383c047b4aa9590b64496d (patch) | |
| tree | 29735d60cf6b6f3fc7bc1daf6d1fee23eca81a76 /src | |
| parent | 3fcde22a30fc26fa299d4e26a9cc0bde7eb0356d (diff) | |
| download | coreboot-79c712cb9e35ea9c0f383c047b4aa9590b64496d.tar.xz | |
lenovo/x201: Enable flash prefetching.
Speeds up coreboot and especially payload load.
Before:
90:load payload 4,530,979 (17,728)
99:selfboot jump 5,103,408 (572,429)
After:
90:load payload 4,390,051 (14,849)
99:selfboot jump 4,505,966 (115,915)
Change-Id: I45c3042594cda16ab3adde6472e00ec1b2d2a688
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5145
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/lenovo/x201/romstage.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainboard/lenovo/x201/romstage.c b/src/mainboard/lenovo/x201/romstage.c index e3e0a628f8..f0874d3fab 100644 --- a/src/mainboard/lenovo/x201/romstage.c +++ b/src/mainboard/lenovo/x201/romstage.c @@ -63,7 +63,7 @@ static void pch_enable_lpc(void) pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x10); pci_write_config32(PCH_LPC_DEV, 0xd0, 0x0); - pci_write_config32(PCH_LPC_DEV, 0xdc, 0x0); + pci_write_config32(PCH_LPC_DEV, 0xdc, 0x8); pci_write_config8(PCH_LPC_DEV, GEN_PMCON_3, (pci_read_config8(PCH_LPC_DEV, GEN_PMCON_3) & ~2) | 1); |