diff options
| author | Scott Duplichan <scott@notabs.org> | 2011-05-15 22:06:09 +0000 |
|---|---|---|
| committer | Marc Jones <marc.jones@amd.com> | 2011-05-15 22:06:09 +0000 |
| commit | 769527e523bb40ecb33a1f6811dae0d689ca4e26 (patch) | |
| tree | 21efa15a6e9a6334e68afbc10c088002e02918e8 /src/mainboard/amd/persimmon | |
| parent | 3c639e7df84996926535e5f66ddfdfb9076c6b74 (diff) | |
Enable rom cache 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@6591 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/amd/persimmon')
| -rw-r--r-- | src/mainboard/amd/persimmon/agesawrapper.c | 7 | ||||
| -rw-r--r-- | src/mainboard/amd/persimmon/romstage.c | 5 |
2 files changed, 5 insertions, 7 deletions
diff --git a/src/mainboard/amd/persimmon/agesawrapper.c b/src/mainboard/amd/persimmon/agesawrapper.c index 9f587b9c97..e98d874b4b 100644 --- a/src/mainboard/amd/persimmon/agesawrapper.c +++ b/src/mainboard/amd/persimmon/agesawrapper.c @@ -157,13 +157,6 @@ agesawrapper_amdinitmmio ( PciData = (AMD_APU_SSID<<0x10)|AMD_APU_SVID; LibAmdPciWrite(AccessWidth32, PciAddress, &PciData, &StdHeader); - - /* Set ROM cache onto WP to decrease post time */ - MsrReg = (0x0100000000 - CONFIG_ROM_SIZE) | 5; - LibAmdMsrWrite (0x20C, &MsrReg, &StdHeader); - MsrReg = (0x1000000000 - CONFIG_ROM_SIZE) | 0x800; - LibAmdMsrWrite (0x20D, &MsrReg, &StdHeader); - Status = AGESA_SUCCESS; return (UINT32)Status; } diff --git a/src/mainboard/amd/persimmon/romstage.c b/src/mainboard/amd/persimmon/romstage.c index 749c51b649..1bcb0d1407 100644 --- a/src/mainboard/amd/persimmon/romstage.c +++ b/src/mainboard/amd/persimmon/romstage.c @@ -47,6 +47,11 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) u32 val; u8 reg8; + // all cores: allow caching of flash chip code and data + // (there are no cache-as-ram reliability concerns with family 14h) + __writemsr (0x20c, (0x0100000000ull - CONFIG_ROM_SIZE) | 5); + __writemsr (0x20d, (0x1000000000ull - CONFIG_ROM_SIZE) | 0x800); + // all cores: set pstate 0 (1600 MHz) early to save a few ms of boot time __writemsr (0xc0010062, 0); |