New patch to review for coreboot: 9127a78 lenovo/x201: Enable flash prefetching.

[Vladimir Serbinenko]

Vladimir Serbinenko ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5145

-gerrit

commit 9127a780c425f0cf42ef3ebc7ce575e5d3a666b7
Author: Vladimir Serbinenko 
Date:   Wed Feb 5 19:10:03 2014 +0100

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 
---
 src/mainboard/lenovo/x201/romstage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mainboard/lenovo/x201/romstage.c b/src/mainboard/lenovo/x201/romstage.c
index e3e0a62..f0874d3 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);