Marc Jones wrote: > > yhlu wrote: >> my own tree have >> >> #if CacheSize < 0x8000 >> /* enable caching for 16K/8K/4K using fixed mtrr */ >> movl $0x269, %ecx /* fix4k_cc000*/ >> #if CacheSize == 0x4000 >> movl $0x06060606, %edx /* WB IO type */ >> #endif >> #if CacheSize == 0x2000 >> movl $0x06060000, %edx /* WB IO type */ >> #endif >> #if CacheSize == 0x1000 >> movl $0x06000000, %edx /* WB IO type */ >> #endif >> xorl %eax, %eax >> wrmsr >> #endif >> >> maybe i didn't post sth... >> > This is in the v2 code but not in v3. > > >> normally we can use 4k only at first. >> >> run_time decide is not good. for example REV E, you could use 64k. for >> for REV F you can only use 48K. >> > So this is still a problem since 48K isn't an option and it isn't a > power of 2 so I was incorrect on that point. > > It would be good to have an automatic runtime setting for each CPU that > could be adjusted by a mainboard override. > > >> Family 10h need more tricks. > These changes are coming soon. > > Marc > >
Also, 48K is an option in v2. It seems that v3 should be brought up to date with v2 first. Marc -- Marc Jones Senior Firmware Engineer (970) 226-9684 Office mailto:[EMAIL PROTECTED] http://www.amd.com/embeddedprocessors -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios
