On Wed, Jan 20, 2010 at 2:13 AM, Darmawan Salihun <[email protected]> wrote: > The default value of MSRC001_001A (Top of Memory below the 4GB limit) > according to BKDG for AMD Fam 10h rev. 3.06 is undefined (after > Reset/power-on). > However, AMD64 Architecture Programmer's Manual Volume 2: System > Programming Rev. 3.14 states that the value of MSRC001_001A > after Reset or power on is: 0000_0000_0400_0000h > > Which one of this information is correct? > > I need to know it because I want to know what is the default MMIO range > after reset.
Hi Darmawan, I think that the BKDG is correct. I get 000_0001F_7780_0000 on a K8. You can take a look at cpu/amd/car/cache_as_ram.inc for the initial setup. Marc -- http://se-eng.com -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot

