Port persimmon r6584 and r6601 to e350m1: SPI prefetch early
Enable SPI cacheline prefetch early to reduce boot time. Signed-off-by: Marshall Buschman <mbuschman@lucidmachines.com> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6627 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
parent
fd460e620e
commit
552ad9f75e
|
@ -50,6 +50,13 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
|
|||
// all cores: set pstate 0 (1600 MHz) early to save a few ms of boot time
|
||||
__writemsr (0xc0010062, 0);
|
||||
|
||||
// early enable of PrefetchEnSPIFromHost
|
||||
if (boot_cpu())
|
||||
{
|
||||
__outdword (0xcf8, 0x8000a3b8);
|
||||
__outdword (0xcfc, __indword (0xcfc) | 1 << 24);
|
||||
}
|
||||
|
||||
// early enable of SPI 33 MHz fast mode read
|
||||
if (boot_cpu())
|
||||
{
|
||||
|
|
Loading…
Reference in New Issue