[coreboot] [commit] r6626 - trunk/src/mainboard/asrock/e350m1

[repository service]

Author: stuge
Date: Sat Jun  4 17:44:54 2011
New Revision: 6626
URL: https://tracker.coreboot.org/trac/coreboot/changeset/6626

Log:
Port persimmon r6583 to e350m1: pstate 0 early

Switch processor cores to pstate 0 early to reduce boot time.

Signed-off-by: Marshall Buschman <mbuschman at lucidmachines.com>
Acked-by: Peter Stuge <peter at stuge.se>

Modified:
   trunk/src/mainboard/asrock/e350m1/romstage.c

Modified: trunk/src/mainboard/asrock/e350m1/romstage.c
==============================================================================
--- trunk/src/mainboard/asrock/e350m1/romstage.c	Sat Jun  4 17:44:31 2011	(r6625)
+++ trunk/src/mainboard/asrock/e350m1/romstage.c	Sat Jun  4 17:44:54 2011	(r6626)
@@ -47,6 +47,9 @@
   u32 val;
   u8 reg8;
 
+  // all cores: set pstate 0 (1600 MHz) early to save a few ms of boot time
+  __writemsr (0xc0010062, 0);
+
   // early enable of SPI 33 MHz fast mode read
   if (boot_cpu())
     {