|  | /* | 
|  | *  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 values specify the ratio read from the CPU. | 
|  | * The mults values specify what to write to the CPU. | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * VIA C3 Samuel 1  & Samuel 2 (stepping 0) | 
|  | */ | 
|  | static const int __cpuinitconst samuel1_mults[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 const int __cpuinitconst 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 const int __cpuinitconst 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 const int __cpuinitconst ezra_mults[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 const int __cpuinitconst 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 const int __cpuinitconst ezrat_mults[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 */ | 
|  | -1, /* 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 const int __cpuinitconst 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 const int __cpuinitconst nehemiah_mults[32] = { | 
|  | 100, /* 0000 -> 10.0x */ | 
|  | -1, /* 0001 -> 16.0x */ | 
|  | 40,  /* 0010 ->  4.0x */ | 
|  | 90,  /* 0011 ->  9.0x */ | 
|  | 95,  /* 0100 ->  9.5x */ | 
|  | -1,  /* 0101 ->  RESERVED */ | 
|  | 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 -> 10.0x */ | 
|  | 110, /* 0001 -> 11.0x */ | 
|  | -1, /* 0010 -> 12.0x */ | 
|  | -1,  /* 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) */ | 
|  | -1, /* 1111 -> 12.0x */ | 
|  | }; | 
|  |  | 
|  | static const int __cpuinitconst nehemiah_eblcr[32] = { | 
|  | 50,  /* 0000 ->  5.0x */ | 
|  | 160, /* 0001 -> 16.0x */ | 
|  | 40,  /* 0010 ->  4.0x */ | 
|  | 100, /* 0011 -> 10.0x */ | 
|  | 55,  /* 0100 ->  5.5x */ | 
|  | -1,  /* 0101 ->  RESERVED */ | 
|  | 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 */ | 
|  | 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 */ | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Voltage scales. Div/Mod by 1000 to get actual voltage. | 
|  | * Which scale to use depends on the VRM type in use. | 
|  | */ | 
|  |  | 
|  | struct mV_pos { | 
|  | unsigned short mV; | 
|  | unsigned short pos; | 
|  | }; | 
|  |  | 
|  | static const struct mV_pos __cpuinitconst vrm85_mV[32] = { | 
|  | {1250, 8},	{1200, 6},	{1150, 4},	{1100, 2}, | 
|  | {1050, 0},	{1800, 30},	{1750, 28},	{1700, 26}, | 
|  | {1650, 24},	{1600, 22},	{1550, 20},	{1500, 18}, | 
|  | {1450, 16},	{1400, 14},	{1350, 12},	{1300, 10}, | 
|  | {1275, 9},	{1225, 7},	{1175, 5},	{1125, 3}, | 
|  | {1075, 1},	{1825, 31},	{1775, 29},	{1725, 27}, | 
|  | {1675, 25},	{1625, 23},	{1575, 21},	{1525, 19}, | 
|  | {1475, 17},	{1425, 15},	{1375, 13},	{1325, 11} | 
|  | }; | 
|  |  | 
|  | static const unsigned char __cpuinitconst mV_vrm85[32] = { | 
|  | 0x04,	0x14,	0x03,	0x13,	0x02,	0x12,	0x01,	0x11, | 
|  | 0x00,	0x10,	0x0f,	0x1f,	0x0e,	0x1e,	0x0d,	0x1d, | 
|  | 0x0c,	0x1c,	0x0b,	0x1b,	0x0a,	0x1a,	0x09,	0x19, | 
|  | 0x08,	0x18,	0x07,	0x17,	0x06,	0x16,	0x05,	0x15 | 
|  | }; | 
|  |  | 
|  | static const struct mV_pos __cpuinitconst mobilevrm_mV[32] = { | 
|  | {1750, 31},	{1700, 30},	{1650, 29},	{1600, 28}, | 
|  | {1550, 27},	{1500, 26},	{1450, 25},	{1400, 24}, | 
|  | {1350, 23},	{1300, 22},	{1250, 21},	{1200, 20}, | 
|  | {1150, 19},	{1100, 18},	{1050, 17},	{1000, 16}, | 
|  | {975, 15},	{950, 14},	{925, 13},	{900, 12}, | 
|  | {875, 11},	{850, 10},	{825, 9},	{800, 8}, | 
|  | {775, 7},	{750, 6},	{725, 5},	{700, 4}, | 
|  | {675, 3},	{650, 2},	{625, 1},	{600, 0} | 
|  | }; | 
|  |  | 
|  | static const unsigned char __cpuinitconst mV_mobilevrm[32] = { | 
|  | 0x1f,	0x1e,	0x1d,	0x1c,	0x1b,	0x1a,	0x19,	0x18, | 
|  | 0x17,	0x16,	0x15,	0x14,	0x13,	0x12,	0x11,	0x10, | 
|  | 0x0f,	0x0e,	0x0d,	0x0c,	0x0b,	0x0a,	0x09,	0x08, | 
|  | 0x07,	0x06,	0x05,	0x04,	0x03,	0x02,	0x01,	0x00 | 
|  | }; | 
|  |  |