repository service wrote:
Log: Enable rom cache early to reduce boot time.
+++ trunk/src/mainboard/amd/persimmon/romstage.c Mon May 16 00:06:09 2011 (r6591) @@ -47,6 +47,11 @@ 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);
Is this something that we should have in component code rather than mainboard code?
And when would it be suitable to *not* allow caching, if ever? I'm thinking if this should be an option anywhere, or not.
//Peter