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authorDuncan Laurie <dlaurie@chromium.org>2013-07-16 09:01:43 -0700
committerPatrick Georgi <patrick@georgi-clan.de>2013-12-21 07:28:57 +0100
commitd8c7d73283676306e383fde4f42547d0ee3b0209 (patch)
tree7549ee2905900ca37db49230acf676487a509620
parent45df5962c7044713f4631f9483426d9241e36bde (diff)
downloadcoreboot-d8c7d73283676306e383fde4f42547d0ee3b0209.tar.xz
lynxpoint: power management setup tweak
Updated from 161 ref code Change-Id: I3e07935fec1df21f14d97d165792fe54bf9e474c Reviewed-on: https://gerrit.chromium.org/gerrit/62128 Tested-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Stefan Reinauer <reinauer@google.com> Commit-Queue: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/4372 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
-rw-r--r--src/southbridge/intel/lynxpoint/lpc.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index b6e4e87872..5d1bcdd1c9 100644
--- a/src/southbridge/intel/lynxpoint/lpc.c
+++ b/src/southbridge/intel/lynxpoint/lpc.c
@@ -460,13 +460,12 @@ static void enable_lp_clock_gating(device_t dev)
* RCBA + 0x2614[27:25,14:13,10,8] = 101,11,1,1
* RCBA + 0x2614[23:16] = 0x20
* RCBA + 0x2614[30:28] = 0x0
- * RCBA + 0x2614[26] = 1 (IF B2 STEP && 0:31.0@0xFA > 4)
+ * RCBA + 0x2614[26] = 1 (IF 0:2.0@0x08 >= 0x0b)
*/
RCBA32_AND_OR(0x2614, 0x8bffffff, 0x0a206500);
/* Check for LPT-LP B2 stepping and 0:31.0@0xFA > 4 */
- if (pch_silicon_revision() >= LPT_LP_STEP_B2 &&
- pci_read_config8(dev, 0xfa) > 4)
+ if (pci_read_config8(dev_find_slot(0, PCI_DEVFN(2, 0)), 0x8) >= 0x0b)
RCBA32_OR(0x2614, (1<<26));
RCBA32_OR(0x900, 0x0000031f);