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

Signed-off-by: Scott Duplichan <scott@notabs.org>
Acked-by: Marc Jones <marcj303@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6583 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/mainboard/amd/persimmon/romstage.c

@@ -47,6 +47,9 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
   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())
     {