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-rw-r--r--arch/i386/kernel/cpu/cpufreq/longhaul.h466
1 files changed, 466 insertions, 0 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.h b/arch/i386/kernel/cpu/cpufreq/longhaul.h
new file mode 100644
index 00000000000..2a495c162ec
--- /dev/null
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.h
@@ -0,0 +1,466 @@
+/*
+ * 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,
+};
+
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-16 03:45:14 +0000