K7 Specific MSR is not classified now.
This commit is contained in:
Li-Ta Lo
parent
2c4f703f0b
commit
f91e1b83fc
4 changed files with 48 additions and 358 deletions
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@ -3,334 +3,47 @@
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#include <cpu/p6/msr.h>
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#include <cpu/cpufixup.h>
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#define TOP_MEM 0xc001001A
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#define TOP_MEM2 0xc001001D
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#define IORR_FIRST 0xC0010016
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#define IORR_LAST 0xC0010019
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#define SYSCFG 0xC0010010
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#define MTRRVARDRAMEN (1 << 20)
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void
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k7_cpufixup(unsigned long ram_kilobytes)
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{
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#if 0
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printk_err("WARNING: you are running the busted version of linuxbios\n");
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printk_err("for K7. It will really run slow\n");
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#endif
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unsigned long lo = 0, hi = 0, i;
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unsigned long ram_megabytes = ram_kilobytes * 1024;
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// 8 MB alignment please
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ram_megabytes += 0x7fffff;
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ram_megabytes &= (~0x7fffff);
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// set top_mem registers to ram size
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printk_spew("Setting top_mem to 0x%x\n", ram_megabytes);
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rdmsr(TOP_MEM, lo, hi);
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printk_spew("TOPMEM was 0x%02x:0x%02x\n", hi, lo);
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hi = 0;
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lo = ram_megabytes;
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wrmsr(TOP_MEM, lo, hi);
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// I am setting this even though I won't enable it
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wrmsr(TOP_MEM2, lo, hi);
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/* zero the IORR's before we enable to prevent
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* undefined side effects
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*/
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lo = hi = 0;
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for (i = IORR_FIRST; i <= IORR_LAST; i++)
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wrmsr(i, lo, hi);
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rdmsr(SYSCFG, lo, hi);
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printk_spew("SYSCFG was 0x%x:0x%x\n", hi, lo);
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lo |= MTRRVARDRAMEN;
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wrmsr(SYSCFG, lo, hi);
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rdmsr(SYSCFG, lo, hi);
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printk_spew("SYSCFG IS NOW 0x%x:0x%x\n", hi, lo);
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}
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// see the explanation in freebios/util/k7msr for how this code was
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// created. Short form: NO NDA material was used to create this code.
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// Go sue somebody else.
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struct msrval {
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unsigned long msr, lo, hi;
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};
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// the pattern is:
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// 1x128 2x128, 0x1x256, 0x2x256, 128+256, 0x256+128
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char *fixit[] = {"1x128", "2x128", "1x256", "2x256",
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"128+256", "256+128"};
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struct msrval fixmsr[6][40] = {
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{
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{0xc0000080, 0x00000000, 0x00000000},
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{0xc0000081, 0x00000000, 0x00000000},
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{0xc0010000, 0xff8d7df7, 0x00000000},
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{0xc0010001, 0xff9fee9f, 0x00000000},
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{0xc0010002, 0xff1fffbe, 0x00000000},
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{0xc0010003, 0xff9fff9f, 0x00000000},
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{0xc0010004, 0xfffeefff, 0x0000ffee},
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{0xc0010005, 0xffbffdf7, 0x0000ffff},
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{0xc0010006, 0x7ffffff7, 0x0000ff7d},
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{0xc0010007, 0xcffbfeff, 0x0000fffb},
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{0xc0010010, 0x00160604, 0x00000000},
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{0xc0010015, 0x0e001008, 0x00000000},
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{0xc0010016, 0x00000000, 0x00000000},
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{0xc0010017, 0x00000000, 0x00000000},
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{0xc0010018, 0xd0000018, 0x00000000},
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{0xc0010019, 0xfc000800, 0x0000000f},
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{0xc001001a, 0x07800000, 0x00000000},
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{0xc001001b, 0x29679223, 0x00000000},
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{0xc001001d, 0x00000000, 0x00000000},
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{0xc0010030, 0x20444d41, 0x6c687441},
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{0xc0010031, 0x74286e6f, 0x5020296d},
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{0xc0010032, 0x65636f72, 0x726f7373},
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{0xc0010033, 0x00000000, 0x00000000},
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{0xc0010034, 0x00000000, 0x00000000},
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{0xc0010035, 0x00000000, 0x00000000},
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{0xc0010100, 0xfc000000, 0x00000000},
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{0xc0010101, 0x00000000, 0x00000000},
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{0xc0010102, 0xf8000000, 0x00000000},
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{0xc0010103, 0xf8000000, 0x00000000},
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{0xc0010104, 0x00000011, 0x00000000},
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{0xc0010105, 0x00050002, 0x00000000},
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{0xc0010106, 0x00050002, 0x00000000},
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{0xc0010111, 0x000b0000, 0x00000000},
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{0xc0010112, 0x00000000, 0x00000000},
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{0xc0010113, 0x00000001, 0x00000000},
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{0xc0010114, 0xffffffff, 0x00000008},
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{0xc0010115, 0xffffffff, 0xffffffff},
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{0xc0010116, 0x00000027, 0x00000008},
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{0xc0010117, 0x00000027, 0x00000027},
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{0,0,0}},
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{
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{0xc0000080, 0x00000000, 0x00000000},
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{0xc0000081, 0x00000000, 0x00000000},
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{0xc0010000, 0x9f8dfdf7, 0x00000000},
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{0xc0010001, 0xff97fe9f, 0x00000000},
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{0xc0010002, 0xff1fffbf, 0x00000000},
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{0xc0010003, 0xff9fff9f, 0x00000000},
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{0xc0010004, 0xfffeefff, 0x0000ffee},
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{0xc0010005, 0xffbffdf7, 0x0000ffff},
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{0xc0010006, 0x7fffffff, 0x0000dfdc},
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{0xc0010007, 0xeffbfeff, 0x0000ffff},
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{0xc0010010, 0x00160604, 0x00000000},
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{0xc0010015, 0x0e001008, 0x00000000},
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{0xc0010016, 0x00000000, 0x00000000},
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{0xc0010017, 0x00000000, 0x00000000},
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{0xc0010018, 0xd0000018, 0x00000000},
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{0xc0010019, 0xfc000800, 0x0000000f},
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{0xc001001a, 0x0f800000, 0x00000000},
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{0xc001001b, 0x29679223, 0x00000000},
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{0xc001001d, 0x00000000, 0x00000000},
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{0xc0010030, 0x20444d41, 0x6c687441},
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{0xc0010031, 0x74286e6f, 0x5020296d},
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{0xc0010032, 0x65636f72, 0x726f7373},
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{0xc0010033, 0x00000000, 0x00000000},
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{0xc0010034, 0x00000000, 0x00000000},
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{0xc0010035, 0x00000000, 0x00000000},
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{0xc0010100, 0xfc000000, 0x00000000},
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{0xc0010101, 0x00000000, 0x00000000},
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{0xc0010102, 0xf8000000, 0x00000000},
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{0xc0010103, 0xf8000000, 0x00000000},
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{0xc0010104, 0x00000011, 0x00000000},
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{0xc0010105, 0x00050002, 0x00000000},
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{0xc0010106, 0x00050002, 0x00000000},
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{0xc0010111, 0x000b0000, 0x00000000},
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{0xc0010112, 0x00000000, 0x00000000},
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{0xc0010113, 0x00000001, 0x00000000},
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{0xc0010114, 0xffffffff, 0x00000008},
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{0xc0010115, 0xffffffff, 0xffffffff},
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{0xc0010116, 0x00000027, 0x00000008},
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{0xc0010117, 0x00000027, 0x00000027},
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{0,0,0}},
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{
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{0xc0000080, 0x00000000, 0x00000000},
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{0xc0000081, 0x00000000, 0x00000000},
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{0xc0010000, 0x9f8dfcf7, 0x00000000},
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{0xc0010001, 0xff97ffdd, 0x00000000},
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{0xc0010002, 0xff1dffbf, 0x00000000},
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{0xc0010003, 0xff9fff9f, 0x00000000},
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{0xc0010004, 0xdffeefff, 0x0000ffee},
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{0xc0010005, 0xbfbefdf7, 0x0000ffff},
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{0xc0010006, 0xffffffff, 0x0000dfdc},
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{0xc0010007, 0xcffbfeff, 0x0000fffb},
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{0xc0010010, 0x00160604, 0x00000000},
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{0xc0010015, 0x0e001008, 0x00000000},
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{0xc0010016, 0x00000000, 0x00000000},
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{0xc0010017, 0x00000000, 0x00000000},
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{0xc0010018, 0xd0000018, 0x00000000},
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{0xc0010019, 0xfc000800, 0x0000000f},
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{0xc001001a, 0x0f800000, 0x00000000},
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{0xc001001b, 0x29679223, 0x00000000},
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{0xc001001d, 0x00000000, 0x00000000},
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{0xc0010030, 0x20444d41, 0x6c687441},
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{0xc0010031, 0x74286e6f, 0x5020296d},
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{0xc0010032, 0x65636f72, 0x726f7373},
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{0xc0010033, 0x00000000, 0x00000000},
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{0xc0010034, 0x00000000, 0x00000000},
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{0xc0010035, 0x00000000, 0x00000000},
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{0xc0010100, 0xfc000000, 0x00000000},
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{0xc0010101, 0x00000000, 0x00000000},
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{0xc0010102, 0xf8000000, 0x00000000},
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{0xc0010103, 0xf8000000, 0x00000000},
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{0xc0010104, 0x00000011, 0x00000000},
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{0xc0010105, 0x00050002, 0x00000000},
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{0xc0010106, 0x00050002, 0x00000000},
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{0xc0010111, 0x000b0000, 0x00000000},
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{0xc0010112, 0x00000000, 0x00000000},
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{0xc0010113, 0x00000001, 0x00000000},
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{0xc0010114, 0xffffffff, 0x00000008},
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{0xc0010115, 0xffffffff, 0xffffffff},
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{0xc0010116, 0x00000027, 0x00000008},
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{0xc0010117, 0x00000027, 0x00000027},
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{0,0,0}},
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{
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{0xc0000080, 0x00000000, 0x00000000},
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{0xc0000081, 0x00000000, 0x00000000},
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{0xc0010000, 0xff8ffdf7, 0x00000000},
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{0xc0010001, 0xff9fee9f, 0x00000000},
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{0xc0010002, 0xff1fffbf, 0x00000000},
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{0xc0010003, 0xff9fff9f, 0x00000000},
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{0xc0010004, 0xfffeefff, 0x0000b7ee},
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{0xc0010005, 0xffbffdf7, 0x0000ffff},
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{0xc0010006, 0x7fffffff, 0x0000dfdd},
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{0xc0010007, 0xcffbffff, 0x0000efff},
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{0xc0010010, 0x00160604, 0x00000000},
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{0xc0010015, 0x0e001008, 0x00000000},
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{0xc0010016, 0x00000000, 0x00000000},
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{0xc0010017, 0x00000000, 0x00000000},
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{0xc0010018, 0xd0000018, 0x00000000},
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{0xc0010019, 0xfc000800, 0x0000000f},
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{0xc001001a, 0x1f800000, 0x00000000},
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{0xc001001b, 0x29679223, 0x00000000},
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{0xc001001d, 0x00000000, 0x00000000},
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{0xc0010030, 0x20444d41, 0x6c687441},
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{0xc0010031, 0x74286e6f, 0x5020296d},
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{0xc0010032, 0x65636f72, 0x726f7373},
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{0xc0010033, 0x00000000, 0x00000000},
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{0xc0010034, 0x00000000, 0x00000000},
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{0xc0010035, 0x00000000, 0x00000000},
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{0xc0010100, 0xfc000000, 0x00000000},
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{0xc0010101, 0x00000000, 0x00000000},
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{0xc0010102, 0xf8000000, 0x00000000},
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{0xc0010103, 0xf8000000, 0x00000000},
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{0xc0010104, 0x00000011, 0x00000000},
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{0xc0010105, 0x00050002, 0x00000000},
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{0xc0010106, 0x00050002, 0x00000000},
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{0xc0010111, 0x000b0000, 0x00000000},
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{0xc0010112, 0x00000000, 0x00000000},
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{0xc0010113, 0x00000001, 0x00000000},
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{0xc0010114, 0xffffffff, 0x00000008},
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{0xc0010115, 0xffffffff, 0xffffffff},
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{0xc0010116, 0x00000027, 0x00000008},
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{0xc0010117, 0x00000027, 0x00000027},
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{0,0,0}},
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{
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{0xc0000080, 0x00000000, 0x00000000},
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{0xc0000081, 0x00000000, 0x00000000},
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{0xc0010000, 0x9f8dfdf7, 0x00000000},
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{0xc0010001, 0xff97fe9f, 0x00000000},
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{0xc0010002, 0xff1fffbf, 0x00000000},
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{0xc0010003, 0xff9fffdf, 0x00000000},
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{0xc0010004, 0xfffeefff, 0x0000ffee},
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{0xc0010005, 0xbfbffdf7, 0x0000ffff},
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{0xc0010006, 0x7fffffff, 0x0000dfdd},
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{0xc0010007, 0xcffbfeff, 0x0000fffb},
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{0xc0010010, 0x00160604, 0x00000000},
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{0xc0010015, 0x0e001008, 0x00000000},
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{0xc0010016, 0x00000000, 0x00000000},
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{0xc0010017, 0x00000000, 0x00000000},
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{0xc0010018, 0xd0000018, 0x00000000},
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{0xc0010019, 0xfc000800, 0x0000000f},
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{0xc001001a, 0x17800000, 0x00000000},
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{0xc001001b, 0x29679223, 0x00000000},
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{0xc001001d, 0x00000000, 0x00000000},
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{0xc0010030, 0x20444d41, 0x6c687441},
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{0xc0010031, 0x74286e6f, 0x5020296d},
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{0xc0010032, 0x65636f72, 0x726f7373},
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{0xc0010033, 0x00000000, 0x00000000},
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{0xc0010034, 0x00000000, 0x00000000},
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{0xc0010035, 0x00000000, 0x00000000},
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{0xc0010100, 0xfc000000, 0x00000000},
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{0xc0010101, 0x00000000, 0x00000000},
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{0xc0010102, 0xf8000000, 0x00000000},
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{0xc0010103, 0xf8000000, 0x00000000},
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{0xc0010104, 0x00000011, 0x00000000},
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{0xc0010105, 0x00050002, 0x00000000},
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{0xc0010106, 0x00050002, 0x00000000},
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{0xc0010111, 0x000b0000, 0x00000000},
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{0xc0010112, 0x00000000, 0x00000000},
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{0xc0010113, 0x00000001, 0x00000000},
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{0xc0010114, 0xffffffff, 0x00000008},
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{0xc0010115, 0xffffffff, 0xffffffff},
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{0xc0010116, 0x00000027, 0x00000008},
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{0xc0010117, 0x00000027, 0x00000027},
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{0,0,0}},
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{
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{0xc0000080, 0x00000000, 0x00000000},
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{0xc0000081, 0x00000000, 0x00000000},
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{0xc0010000, 0x9f8dfdf7, 0x00000000},
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{0xc0010001, 0xff9fefdf, 0x00000000},
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{0xc0010002, 0xff1dffbe, 0x00000000},
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{0xc0010003, 0xff9fff9f, 0x00000000},
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{0xc0010004, 0xdffeefff, 0x0000ffff},
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{0xc0010005, 0xffbffdf7, 0x0000ffff},
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{0xc0010006, 0x7fffffff, 0x0000dfdc},
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{0xc0010007, 0xeffbfeff, 0x0000eff9},
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{0xc0010010, 0x00160604, 0x00000000},
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{0xc0010015, 0x0e001008, 0x00000000},
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{0xc0010016, 0x00000000, 0x00000000},
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{0xc0010017, 0x00000000, 0x00000000},
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{0xc0010018, 0xd0000018, 0x00000000},
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{0xc0010019, 0xfc000800, 0x0000000f},
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{0xc001001a, 0x17800000, 0x00000000},
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{0xc001001b, 0x29679223, 0x00000000},
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{0xc001001d, 0x00000000, 0x00000000},
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{0xc0010030, 0x20444d41, 0x6c687441},
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{0xc0010031, 0x74286e6f, 0x5020296d},
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{0xc0010032, 0x65636f72, 0x726f7373},
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{0xc0010033, 0x00000000, 0x00000000},
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{0xc0010034, 0x00000000, 0x00000000},
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{0xc0010035, 0x00000000, 0x00000000},
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{0xc0010100, 0xfc000000, 0x00000000},
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{0xc0010101, 0x00000000, 0x00000000},
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{0xc0010102, 0xf8000000, 0x00000000},
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{0xc0010103, 0xf8000000, 0x00000000},
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{0xc0010104, 0x00000011, 0x00000000},
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{0xc0010105, 0x00050002, 0x00000000},
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{0xc0010106, 0x00050002, 0x00000000},
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{0xc0010111, 0x000b0000, 0x00000000},
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{0xc0010112, 0x00000000, 0x00000000},
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{0xc0010113, 0x00000001, 0x00000000},
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{0xc0010114, 0xffffffff, 0x00000008},
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{0xc0010115, 0xffffffff, 0xffffffff},
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{0xc0010116, 0x00000027, 0x00000008},
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{0xc0010117, 0x00000027, 0x00000027},
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{0,0,0},
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}};
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int writemsr(struct msrval *v)
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{
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unsigned int lo, hi;
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printk_info("%#x: lo %#x, hi %#x\n",
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v->msr, v->lo, v->hi);
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wrmsr(v->msr, v->lo, v->hi);
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rdmsr(v->msr, lo, hi);
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if (lo != v->lo)
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printk_err("set lo fails, is %#x want %#x\n",
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lo, v->lo);
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if (hi != v->hi)
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printk_err("set hi fails, is %#x want %#x\n",
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hi, v->hi);
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return (1);
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}
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// take the 2 dimm sizes in Kbytes, and figure out which MSR
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// values to patch.
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void
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fixk7msr_2dimms(unsigned long dimm1sizeM, unsigned long dimm2sizeM)
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{
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int i, j;
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int offset;
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// the pattern is:
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// 1x128 2x128, 1x256, 0x2x256, 128+256, 0x256+128
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struct dimmindex {int dimm1sizeM, dimm2sizeM;};
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struct dimmindex dimms[] = {
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{128, 0},
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{128, 128},
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{256, 0},
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{256, 256},
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{128, 256},
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{256, 128}
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};
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for(i = 0, offset = -1; (offset < 0) &&
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(i < sizeof(dimms)/sizeof(dimms[0])); i++)
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if ((dimm1sizeM == dimms[i].dimm1sizeM) &&
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(dimm2sizeM == dimms[i].dimm2sizeM))
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offset = i;
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if (offset == -1) {
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printk_err("%dM in slot 1 and %dM in slot 2:"
|
||||
" This is an unsupported setup\n",
|
||||
dimm1sizeM, dimm2sizeM);
|
||||
return;
|
||||
}
|
||||
|
||||
printk_err("Fixing DIMMS with %s\n", fixit[offset]);
|
||||
for(j = 0; fixmsr[offset][j].msr; j++)
|
||||
writemsr(&fixmsr[offset][j]);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -3,7 +3,10 @@
|
|||
|
||||
#include <cpu/p6/mtrr.h>
|
||||
|
||||
# if USE_AMD_NDA_CODE
|
||||
# endif /* USE_AMD_NDA_CODE */
|
||||
#define TOP_MEM 0xc001001A
|
||||
#define TOP_MEM2 0xc001001D
|
||||
#define IORR_FIRST 0xC0010016
|
||||
#define IORR_LAST 0xC0010019
|
||||
#define SYSCFG 0xC0010010
|
||||
|
||||
#endif /* CPU_K7_MTRR_H */
|
||||
|
|
|
|||
|
|
@ -8,35 +8,18 @@ mainboard_fixup(void)
|
|||
void
|
||||
final_mainboard_fixup(void)
|
||||
{
|
||||
void fixk7msr_2dimms(unsigned long dimm1sizeK,
|
||||
unsigned long dimm2sizeK);
|
||||
void final_southbridge_fixup(void);
|
||||
void final_superio_fixup(void);
|
||||
void k7_cpufixup(unsigned long ramsizeK);
|
||||
|
||||
extern unsigned long slotsizeM[];
|
||||
|
||||
printk_info("elitegroup k7sem (and similar)...");
|
||||
|
||||
#if 0
|
||||
// THIS WORKS in the sense of turning it off.
|
||||
// but it happens too late in the game.
|
||||
printk_info("disabling sis 900 ethernet, old val 0x%x\n",
|
||||
pcibios_read_config_byte(0, 0x8, 0x7c));
|
||||
//k7_cpufixup(slotsizeM[0] + slotsizeM[1]);
|
||||
|
||||
pcibios_write_config_byte(0, 0x8, 0x7c, 0x0f);
|
||||
|
||||
printk_info("disabling sis 900 ethernet, new val 0x%x\n",
|
||||
pcibios_read_config_byte(0, 0x8, 0x7c));
|
||||
#endif
|
||||
|
||||
// we need to fix up the K7 MSRs.
|
||||
// to do this, we get the DIMM sizes in slot1 and 2, and
|
||||
// call fixk7msr_2dimms
|
||||
// this is all very mainboard-specific ...
|
||||
|
||||
printk_err("Fixing mainboard for dimms %dK + %dK\n",
|
||||
slotsizeM[0], slotsizeM[1]);
|
||||
fixk7msr_2dimms(slotsizeM[0], slotsizeM[1]);
|
||||
final_southbridge_fixup();
|
||||
|
||||
#ifndef USE_NEW_SUPERIO_INTERFACE
|
||||
final_superio_fixup();
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -8,21 +8,12 @@ mainboard_fixup(void)
|
|||
void
|
||||
final_mainboard_fixup(void)
|
||||
{
|
||||
void fixk7msr_2dimms(unsigned long dimm1sizeK,
|
||||
unsigned long dimm2sizeK);
|
||||
void final_southbridge_fixup(void);
|
||||
void final_superio_fixup(void);
|
||||
|
||||
extern unsigned long slotsizeM[];
|
||||
printk_info("PCCHIPS M810LMR (and similar)...");
|
||||
|
||||
// we need to fix up the K7 MSRs.
|
||||
// to do this, we get the DIMM sizes in slot1 and 2, and
|
||||
// call fixk7msr_2dimms
|
||||
// this is all very mainboard-specific ...
|
||||
|
||||
printk_err("Fixing mainboard for dimms %dK + %dK\n",
|
||||
slotsizeM[0], slotsizeM[1]);
|
||||
fixk7msr_2dimms(slotsizeM[0], slotsizeM[1]);
|
||||
final_southbridge_fixup();
|
||||
#ifndef USE_NEW_SUPERIO_INTERFACE
|
||||
final_superio_fixup();
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue