| /* |
| * longhaul.h |
| * (C) 2003 Dave Jones. |
| * |
| * Licensed under the terms of the GNU GPL License version 2. |
| * |
| * VIA-specific information |
| */ |
| |
| union msr_bcr2 { |
| struct { |
| unsigned Reseved:19, // 18:0 |
| ESOFTBF:1, // 19 |
| Reserved2:3, // 22:20 |
| CLOCKMUL:4, // 26:23 |
| Reserved3:5; // 31:27 |
| } bits; |
| unsigned long val; |
| }; |
| |
| union msr_longhaul { |
| struct { |
| unsigned RevisionID:4, // 3:0 |
| RevisionKey:4, // 7:4 |
| EnableSoftBusRatio:1, // 8 |
| EnableSoftVID:1, // 9 |
| EnableSoftBSEL:1, // 10 |
| Reserved:3, // 11:13 |
| SoftBusRatio4:1, // 14 |
| VRMRev:1, // 15 |
| SoftBusRatio:4, // 19:16 |
| SoftVID:5, // 24:20 |
| Reserved2:3, // 27:25 |
| SoftBSEL:2, // 29:28 |
| Reserved3:2, // 31:30 |
| MaxMHzBR:4, // 35:32 |
| MaximumVID:5, // 40:36 |
| MaxMHzFSB:2, // 42:41 |
| MaxMHzBR4:1, // 43 |
| Reserved4:4, // 47:44 |
| MinMHzBR:4, // 51:48 |
| MinimumVID:5, // 56:52 |
| MinMHzFSB:2, // 58:57 |
| MinMHzBR4:1, // 59 |
| Reserved5:4; // 63:60 |
| } bits; |
| unsigned long long val; |
| }; |
| |
| /* |
| * Clock ratio tables. Div/Mod by 10 to get ratio. |
| * The eblcr ones specify the ratio read from the CPU. |
| * The clock_ratio ones specify what to write to the CPU. |
| */ |
| |
| /* |
| * VIA C3 Samuel 1 & Samuel 2 (stepping 0) |
| */ |
| static int __initdata samuel1_clock_ratio[16] = { |
| -1, /* 0000 -> RESERVED */ |
| 30, /* 0001 -> 3.0x */ |
| 40, /* 0010 -> 4.0x */ |
| -1, /* 0011 -> RESERVED */ |
| -1, /* 0100 -> RESERVED */ |
| 35, /* 0101 -> 3.5x */ |
| 45, /* 0110 -> 4.5x */ |
| 55, /* 0111 -> 5.5x */ |
| 60, /* 1000 -> 6.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 50, /* 1011 -> 5.0x */ |
| 65, /* 1100 -> 6.5x */ |
| 75, /* 1101 -> 7.5x */ |
| -1, /* 1110 -> RESERVED */ |
| -1, /* 1111 -> RESERVED */ |
| }; |
| |
| static int __initdata samuel1_eblcr[16] = { |
| 50, /* 0000 -> RESERVED */ |
| 30, /* 0001 -> 3.0x */ |
| 40, /* 0010 -> 4.0x */ |
| -1, /* 0011 -> RESERVED */ |
| 55, /* 0100 -> 5.5x */ |
| 35, /* 0101 -> 3.5x */ |
| 45, /* 0110 -> 4.5x */ |
| -1, /* 0111 -> RESERVED */ |
| -1, /* 1000 -> RESERVED */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 60, /* 1011 -> 6.0x */ |
| -1, /* 1100 -> RESERVED */ |
| 75, /* 1101 -> 7.5x */ |
| -1, /* 1110 -> RESERVED */ |
| 65, /* 1111 -> 6.5x */ |
| }; |
| |
| /* |
| * VIA C3 Samuel2 Stepping 1->15 |
| */ |
| static int __initdata samuel2_eblcr[16] = { |
| 50, /* 0000 -> 5.0x */ |
| 30, /* 0001 -> 3.0x */ |
| 40, /* 0010 -> 4.0x */ |
| 100, /* 0011 -> 10.0x */ |
| 55, /* 0100 -> 5.5x */ |
| 35, /* 0101 -> 3.5x */ |
| 45, /* 0110 -> 4.5x */ |
| 110, /* 0111 -> 11.0x */ |
| 90, /* 1000 -> 9.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 60, /* 1011 -> 6.0x */ |
| 120, /* 1100 -> 12.0x */ |
| 75, /* 1101 -> 7.5x */ |
| 130, /* 1110 -> 13.0x */ |
| 65, /* 1111 -> 6.5x */ |
| }; |
| |
| /* |
| * VIA C3 Ezra |
| */ |
| static int __initdata ezra_clock_ratio[16] = { |
| 100, /* 0000 -> 10.0x */ |
| 30, /* 0001 -> 3.0x */ |
| 40, /* 0010 -> 4.0x */ |
| 90, /* 0011 -> 9.0x */ |
| 95, /* 0100 -> 9.5x */ |
| 35, /* 0101 -> 3.5x */ |
| 45, /* 0110 -> 4.5x */ |
| 55, /* 0111 -> 5.5x */ |
| 60, /* 1000 -> 6.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 50, /* 1011 -> 5.0x */ |
| 65, /* 1100 -> 6.5x */ |
| 75, /* 1101 -> 7.5x */ |
| 85, /* 1110 -> 8.5x */ |
| 120, /* 1111 -> 12.0x */ |
| }; |
| |
| static int __initdata ezra_eblcr[16] = { |
| 50, /* 0000 -> 5.0x */ |
| 30, /* 0001 -> 3.0x */ |
| 40, /* 0010 -> 4.0x */ |
| 100, /* 0011 -> 10.0x */ |
| 55, /* 0100 -> 5.5x */ |
| 35, /* 0101 -> 3.5x */ |
| 45, /* 0110 -> 4.5x */ |
| 95, /* 0111 -> 9.5x */ |
| 90, /* 1000 -> 9.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 60, /* 1011 -> 6.0x */ |
| 120, /* 1100 -> 12.0x */ |
| 75, /* 1101 -> 7.5x */ |
| 85, /* 1110 -> 8.5x */ |
| 65, /* 1111 -> 6.5x */ |
| }; |
| |
| /* |
| * VIA C3 (Ezra-T) [C5M]. |
| */ |
| static int __initdata ezrat_clock_ratio[32] = { |
| 100, /* 0000 -> 10.0x */ |
| 30, /* 0001 -> 3.0x */ |
| 40, /* 0010 -> 4.0x */ |
| 90, /* 0011 -> 9.0x */ |
| 95, /* 0100 -> 9.5x */ |
| 35, /* 0101 -> 3.5x */ |
| 45, /* 0110 -> 4.5x */ |
| 55, /* 0111 -> 5.5x */ |
| 60, /* 1000 -> 6.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 50, /* 1011 -> 5.0x */ |
| 65, /* 1100 -> 6.5x */ |
| 75, /* 1101 -> 7.5x */ |
| 85, /* 1110 -> 8.5x */ |
| 120, /* 1111 -> 12.0x */ |
| |
| -1, /* 0000 -> RESERVED (10.0x) */ |
| 110, /* 0001 -> 11.0x */ |
| 120, /* 0010 -> 12.0x */ |
| -1, /* 0011 -> RESERVED (9.0x)*/ |
| 105, /* 0100 -> 10.5x */ |
| 115, /* 0101 -> 11.5x */ |
| 125, /* 0110 -> 12.5x */ |
| 135, /* 0111 -> 13.5x */ |
| 140, /* 1000 -> 14.0x */ |
| 150, /* 1001 -> 15.0x */ |
| 160, /* 1010 -> 16.0x */ |
| 130, /* 1011 -> 13.0x */ |
| 145, /* 1100 -> 14.5x */ |
| 155, /* 1101 -> 15.5x */ |
| -1, /* 1110 -> RESERVED (13.0x) */ |
| -1, /* 1111 -> RESERVED (12.0x) */ |
| }; |
| |
| static int __initdata ezrat_eblcr[32] = { |
| 50, /* 0000 -> 5.0x */ |
| 30, /* 0001 -> 3.0x */ |
| 40, /* 0010 -> 4.0x */ |
| 100, /* 0011 -> 10.0x */ |
| 55, /* 0100 -> 5.5x */ |
| 35, /* 0101 -> 3.5x */ |
| 45, /* 0110 -> 4.5x */ |
| 95, /* 0111 -> 9.5x */ |
| 90, /* 1000 -> 9.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 60, /* 1011 -> 6.0x */ |
| 120, /* 1100 -> 12.0x */ |
| 75, /* 1101 -> 7.5x */ |
| 85, /* 1110 -> 8.5x */ |
| 65, /* 1111 -> 6.5x */ |
| |
| -1, /* 0000 -> RESERVED (9.0x) */ |
| 110, /* 0001 -> 11.0x */ |
| 120, /* 0010 -> 12.0x */ |
| -1, /* 0011 -> RESERVED (10.0x)*/ |
| 135, /* 0100 -> 13.5x */ |
| 115, /* 0101 -> 11.5x */ |
| 125, /* 0110 -> 12.5x */ |
| 105, /* 0111 -> 10.5x */ |
| 130, /* 1000 -> 13.0x */ |
| 150, /* 1001 -> 15.0x */ |
| 160, /* 1010 -> 16.0x */ |
| 140, /* 1011 -> 14.0x */ |
| -1, /* 1100 -> RESERVED (12.0x) */ |
| 155, /* 1101 -> 15.5x */ |
| -1, /* 1110 -> RESERVED (13.0x) */ |
| 145, /* 1111 -> 14.5x */ |
| }; |
| |
| /* |
| * VIA C3 Nehemiah */ |
| |
| static int __initdata nehemiah_a_clock_ratio[32] = { |
| 100, /* 0000 -> 10.0x */ |
| 160, /* 0001 -> 16.0x */ |
| -1, /* 0010 -> RESERVED */ |
| 90, /* 0011 -> 9.0x */ |
| 95, /* 0100 -> 9.5x */ |
| -1, /* 0101 -> RESERVED */ |
| -1, /* 0110 -> RESERVED */ |
| 55, /* 0111 -> 5.5x */ |
| 60, /* 1000 -> 6.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 50, /* 1011 -> 5.0x */ |
| 65, /* 1100 -> 6.5x */ |
| 75, /* 1101 -> 7.5x */ |
| 85, /* 1110 -> 8.5x */ |
| 120, /* 1111 -> 12.0x */ |
| 100, /* 0000 -> 10.0x */ |
| -1, /* 0001 -> RESERVED */ |
| 120, /* 0010 -> 12.0x */ |
| 90, /* 0011 -> 9.0x */ |
| 105, /* 0100 -> 10.5x */ |
| 115, /* 0101 -> 11.5x */ |
| 125, /* 0110 -> 12.5x */ |
| 135, /* 0111 -> 13.5x */ |
| 140, /* 1000 -> 14.0x */ |
| 150, /* 1001 -> 15.0x */ |
| 160, /* 1010 -> 16.0x */ |
| 130, /* 1011 -> 13.0x */ |
| 145, /* 1100 -> 14.5x */ |
| 155, /* 1101 -> 15.5x */ |
| -1, /* 1110 -> RESERVED (13.0x) */ |
| 120, /* 1111 -> 12.0x */ |
| }; |
| |
| static int __initdata nehemiah_b_clock_ratio[32] = { |
| 100, /* 0000 -> 10.0x */ |
| 160, /* 0001 -> 16.0x */ |
| -1, /* 0010 -> RESERVED */ |
| 90, /* 0011 -> 9.0x */ |
| 95, /* 0100 -> 9.5x */ |
| -1, /* 0101 -> RESERVED */ |
| -1, /* 0110 -> RESERVED */ |
| 55, /* 0111 -> 5.5x */ |
| 60, /* 1000 -> 6.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 50, /* 1011 -> 5.0x */ |
| 65, /* 1100 -> 6.5x */ |
| 75, /* 1101 -> 7.5x */ |
| 85, /* 1110 -> 8.5x */ |
| 120, /* 1111 -> 12.0x */ |
| 100, /* 0000 -> 10.0x */ |
| 110, /* 0001 -> 11.0x */ |
| 120, /* 0010 -> 12.0x */ |
| 90, /* 0011 -> 9.0x */ |
| 105, /* 0100 -> 10.5x */ |
| 115, /* 0101 -> 11.5x */ |
| 125, /* 0110 -> 12.5x */ |
| 135, /* 0111 -> 13.5x */ |
| 140, /* 1000 -> 14.0x */ |
| 150, /* 1001 -> 15.0x */ |
| 160, /* 1010 -> 16.0x */ |
| 130, /* 1011 -> 13.0x */ |
| 145, /* 1100 -> 14.5x */ |
| 155, /* 1101 -> 15.5x */ |
| -1, /* 1110 -> RESERVED (13.0x) */ |
| 120, /* 1111 -> 12.0x */ |
| }; |
| |
| static int __initdata nehemiah_c_clock_ratio[32] = { |
| 100, /* 0000 -> 10.0x */ |
| 160, /* 0001 -> 16.0x */ |
| 40, /* 0010 -> RESERVED */ |
| 90, /* 0011 -> 9.0x */ |
| 95, /* 0100 -> 9.5x */ |
| -1, /* 0101 -> RESERVED */ |
| 45, /* 0110 -> RESERVED */ |
| 55, /* 0111 -> 5.5x */ |
| 60, /* 1000 -> 6.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 50, /* 1011 -> 5.0x */ |
| 65, /* 1100 -> 6.5x */ |
| 75, /* 1101 -> 7.5x */ |
| 85, /* 1110 -> 8.5x */ |
| 120, /* 1111 -> 12.0x */ |
| 100, /* 0000 -> 10.0x */ |
| 110, /* 0001 -> 11.0x */ |
| 120, /* 0010 -> 12.0x */ |
| 90, /* 0011 -> 9.0x */ |
| 105, /* 0100 -> 10.5x */ |
| 115, /* 0101 -> 11.5x */ |
| 125, /* 0110 -> 12.5x */ |
| 135, /* 0111 -> 13.5x */ |
| 140, /* 1000 -> 14.0x */ |
| 150, /* 1001 -> 15.0x */ |
| 160, /* 1010 -> 16.0x */ |
| 130, /* 1011 -> 13.0x */ |
| 145, /* 1100 -> 14.5x */ |
| 155, /* 1101 -> 15.5x */ |
| -1, /* 1110 -> RESERVED (13.0x) */ |
| 120, /* 1111 -> 12.0x */ |
| }; |
| |
| static int __initdata nehemiah_a_eblcr[32] = { |
| 50, /* 0000 -> 5.0x */ |
| 160, /* 0001 -> 16.0x */ |
| -1, /* 0010 -> RESERVED */ |
| 100, /* 0011 -> 10.0x */ |
| 55, /* 0100 -> 5.5x */ |
| -1, /* 0101 -> RESERVED */ |
| -1, /* 0110 -> RESERVED */ |
| 95, /* 0111 -> 9.5x */ |
| 90, /* 1000 -> 9.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 60, /* 1011 -> 6.0x */ |
| 120, /* 1100 -> 12.0x */ |
| 75, /* 1101 -> 7.5x */ |
| 85, /* 1110 -> 8.5x */ |
| 65, /* 1111 -> 6.5x */ |
| 90, /* 0000 -> 9.0x */ |
| -1, /* 0001 -> RESERVED */ |
| 120, /* 0010 -> 12.0x */ |
| 100, /* 0011 -> 10.0x */ |
| 135, /* 0100 -> 13.5x */ |
| 115, /* 0101 -> 11.5x */ |
| 125, /* 0110 -> 12.5x */ |
| 105, /* 0111 -> 10.5x */ |
| 130, /* 1000 -> 13.0x */ |
| 150, /* 1001 -> 15.0x */ |
| 160, /* 1010 -> 16.0x */ |
| 140, /* 1011 -> 14.0x */ |
| 120, /* 1100 -> 12.0x */ |
| 155, /* 1101 -> 15.5x */ |
| -1, /* 1110 -> RESERVED (13.0x) */ |
| 145 /* 1111 -> 14.5x */ |
| /* end of table */ |
| }; |
| static int __initdata nehemiah_b_eblcr[32] = { |
| 50, /* 0000 -> 5.0x */ |
| 160, /* 0001 -> 16.0x */ |
| -1, /* 0010 -> RESERVED */ |
| 100, /* 0011 -> 10.0x */ |
| 55, /* 0100 -> 5.5x */ |
| -1, /* 0101 -> RESERVED */ |
| -1, /* 0110 -> RESERVED */ |
| 95, /* 0111 -> 9.5x */ |
| 90, /* 1000 -> 9.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 60, /* 1011 -> 6.0x */ |
| 120, /* 1100 -> 12.0x */ |
| 75, /* 1101 -> 7.5x */ |
| 85, /* 1110 -> 8.5x */ |
| 65, /* 1111 -> 6.5x */ |
| 90, /* 0000 -> 9.0x */ |
| 110, /* 0001 -> 11.0x */ |
| 120, /* 0010 -> 12.0x */ |
| 100, /* 0011 -> 10.0x */ |
| 135, /* 0100 -> 13.5x */ |
| 115, /* 0101 -> 11.5x */ |
| 125, /* 0110 -> 12.5x */ |
| 105, /* 0111 -> 10.5x */ |
| 130, /* 1000 -> 13.0x */ |
| 150, /* 1001 -> 15.0x */ |
| 160, /* 1010 -> 16.0x */ |
| 140, /* 1011 -> 14.0x */ |
| 120, /* 1100 -> 12.0x */ |
| 155, /* 1101 -> 15.5x */ |
| -1, /* 1110 -> RESERVED (13.0x) */ |
| 145 /* 1111 -> 14.5x */ |
| /* end of table */ |
| }; |
| static int __initdata nehemiah_c_eblcr[32] = { |
| 50, /* 0000 -> 5.0x */ |
| 160, /* 0001 -> 16.0x */ |
| 40, /* 0010 -> RESERVED */ |
| 100, /* 0011 -> 10.0x */ |
| 55, /* 0100 -> 5.5x */ |
| -1, /* 0101 -> RESERVED */ |
| 45, /* 0110 -> RESERVED */ |
| 95, /* 0111 -> 9.5x */ |
| 90, /* 1000 -> 9.0x */ |
| 70, /* 1001 -> 7.0x */ |
| 80, /* 1010 -> 8.0x */ |
| 60, /* 1011 -> 6.0x */ |
| 120, /* 1100 -> 12.0x */ |
| 75, /* 1101 -> 7.5x */ |
| 85, /* 1110 -> 8.5x */ |
| 65, /* 1111 -> 6.5x */ |
| 90, /* 0000 -> 9.0x */ |
| 110, /* 0001 -> 11.0x */ |
| 120, /* 0010 -> 12.0x */ |
| 100, /* 0011 -> 10.0x */ |
| 135, /* 0100 -> 13.5x */ |
| 115, /* 0101 -> 11.5x */ |
| 125, /* 0110 -> 12.5x */ |
| 105, /* 0111 -> 10.5x */ |
| 130, /* 1000 -> 13.0x */ |
| 150, /* 1001 -> 15.0x */ |
| 160, /* 1010 -> 16.0x */ |
| 140, /* 1011 -> 14.0x */ |
| 120, /* 1100 -> 12.0x */ |
| 155, /* 1101 -> 15.5x */ |
| -1, /* 1110 -> RESERVED (13.0x) */ |
| 145 /* 1111 -> 14.5x */ |
| /* end of table */ |
| }; |
| |
| /* |
| * Voltage scales. Div/Mod by 1000 to get actual voltage. |
| * Which scale to use depends on the VRM type in use. |
| */ |
| static int __initdata vrm85scales[32] = { |
| 1250, 1200, 1150, 1100, 1050, 1800, 1750, 1700, |
| 1650, 1600, 1550, 1500, 1450, 1400, 1350, 1300, |
| 1275, 1225, 1175, 1125, 1075, 1825, 1775, 1725, |
| 1675, 1625, 1575, 1525, 1475, 1425, 1375, 1325, |
| }; |
| |
| static int __initdata mobilevrmscales[32] = { |
| 2000, 1950, 1900, 1850, 1800, 1750, 1700, 1650, |
| 1600, 1550, 1500, 1450, 1500, 1350, 1300, -1, |
| 1275, 1250, 1225, 1200, 1175, 1150, 1125, 1100, |
| 1075, 1050, 1025, 1000, 975, 950, 925, -1, |
| }; |
| |