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Diffstat (limited to 'arch/i386/kernel/cpu/cpufreq/powernow-k8.h')
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k8.h32
1 files changed, 19 insertions, 13 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
index 9ed5bf221cb7..b1e85bb36396 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
@@ -1,5 +1,5 @@
1/* 1/*
2 * (c) 2003, 2004 Advanced Micro Devices, Inc. 2 * (c) 2003, 2004, 2005 Advanced Micro Devices, Inc.
3 * Your use of this code is subject to the terms and conditions of the 3 * Your use of this code is subject to the terms and conditions of the
4 * GNU general public license version 2. See "COPYING" or 4 * GNU general public license version 2. See "COPYING" or
5 * http://www.gnu.org/licenses/gpl.html 5 * http://www.gnu.org/licenses/gpl.html
@@ -19,6 +19,7 @@ struct powernow_k8_data {
19 u32 vidmvs; /* usable value calculated from mvs */ 19 u32 vidmvs; /* usable value calculated from mvs */
20 u32 vstable; /* voltage stabilization time, units 20 us */ 20 u32 vstable; /* voltage stabilization time, units 20 us */
21 u32 plllock; /* pll lock time, units 1 us */ 21 u32 plllock; /* pll lock time, units 1 us */
22 u32 exttype; /* extended interface = 1 */
22 23
23 /* keep track of the current fid / vid */ 24 /* keep track of the current fid / vid */
24 u32 currvid, currfid; 25 u32 currvid, currfid;
@@ -41,7 +42,7 @@ struct powernow_k8_data {
41#define CPUID_XFAM 0x0ff00000 /* extended family */ 42#define CPUID_XFAM 0x0ff00000 /* extended family */
42#define CPUID_XFAM_K8 0 43#define CPUID_XFAM_K8 0
43#define CPUID_XMOD 0x000f0000 /* extended model */ 44#define CPUID_XMOD 0x000f0000 /* extended model */
44#define CPUID_XMOD_REV_E 0x00020000 45#define CPUID_XMOD_REV_F 0x00040000
45#define CPUID_USE_XFAM_XMOD 0x00000f00 46#define CPUID_USE_XFAM_XMOD 0x00000f00
46#define CPUID_GET_MAX_CAPABILITIES 0x80000000 47#define CPUID_GET_MAX_CAPABILITIES 0x80000000
47#define CPUID_FREQ_VOLT_CAPABILITIES 0x80000007 48#define CPUID_FREQ_VOLT_CAPABILITIES 0x80000007
@@ -57,25 +58,26 @@ struct powernow_k8_data {
57 58
58/* Field definitions within the FID VID Low Control MSR : */ 59/* Field definitions within the FID VID Low Control MSR : */
59#define MSR_C_LO_INIT_FID_VID 0x00010000 60#define MSR_C_LO_INIT_FID_VID 0x00010000
60#define MSR_C_LO_NEW_VID 0x00001f00 61#define MSR_C_LO_NEW_VID 0x00003f00
61#define MSR_C_LO_NEW_FID 0x0000002f 62#define MSR_C_LO_NEW_FID 0x0000003f
62#define MSR_C_LO_VID_SHIFT 8 63#define MSR_C_LO_VID_SHIFT 8
63 64
64/* Field definitions within the FID VID High Control MSR : */ 65/* Field definitions within the FID VID High Control MSR : */
65#define MSR_C_HI_STP_GNT_TO 0x000fffff 66#define MSR_C_HI_STP_GNT_TO 0x000fffff
66 67
67/* Field definitions within the FID VID Low Status MSR : */ 68/* Field definitions within the FID VID Low Status MSR : */
68#define MSR_S_LO_CHANGE_PENDING 0x80000000 /* cleared when completed */ 69#define MSR_S_LO_CHANGE_PENDING 0x80000000 /* cleared when completed */
69#define MSR_S_LO_MAX_RAMP_VID 0x1f000000 70#define MSR_S_LO_MAX_RAMP_VID 0x3f000000
70#define MSR_S_LO_MAX_FID 0x003f0000 71#define MSR_S_LO_MAX_FID 0x003f0000
71#define MSR_S_LO_START_FID 0x00003f00 72#define MSR_S_LO_START_FID 0x00003f00
72#define MSR_S_LO_CURRENT_FID 0x0000003f 73#define MSR_S_LO_CURRENT_FID 0x0000003f
73 74
74/* Field definitions within the FID VID High Status MSR : */ 75/* Field definitions within the FID VID High Status MSR : */
75#define MSR_S_HI_MAX_WORKING_VID 0x001f0000 76#define MSR_S_HI_MIN_WORKING_VID 0x3f000000
76#define MSR_S_HI_START_VID 0x00001f00 77#define MSR_S_HI_MAX_WORKING_VID 0x003f0000
77#define MSR_S_HI_CURRENT_VID 0x0000001f 78#define MSR_S_HI_START_VID 0x00003f00
78#define MSR_C_HI_STP_GNT_BENIGN 0x00000001 79#define MSR_S_HI_CURRENT_VID 0x0000003f
80#define MSR_C_HI_STP_GNT_BENIGN 0x00000001
79 81
80/* 82/*
81 * There are restrictions frequencies have to follow: 83 * There are restrictions frequencies have to follow:
@@ -99,13 +101,15 @@ struct powernow_k8_data {
99#define MIN_FREQ_RESOLUTION 200 /* fids jump by 2 matching freq jumps by 200 */ 101#define MIN_FREQ_RESOLUTION 200 /* fids jump by 2 matching freq jumps by 200 */
100 102
101#define MAX_FID 0x2a /* Spec only gives FID values as far as 5 GHz */ 103#define MAX_FID 0x2a /* Spec only gives FID values as far as 5 GHz */
102#define LEAST_VID 0x1e /* Lowest (numerically highest) useful vid value */ 104#define LEAST_VID 0x3e /* Lowest (numerically highest) useful vid value */
103 105
104#define MIN_FREQ 800 /* Min and max freqs, per spec */ 106#define MIN_FREQ 800 /* Min and max freqs, per spec */
105#define MAX_FREQ 5000 107#define MAX_FREQ 5000
106 108
107#define INVALID_FID_MASK 0xffffffc1 /* not a valid fid if these bits are set */ 109#define INVALID_FID_MASK 0xffffffc1 /* not a valid fid if these bits are set */
108#define INVALID_VID_MASK 0xffffffe0 /* not a valid vid if these bits are set */ 110#define INVALID_VID_MASK 0xffffffc0 /* not a valid vid if these bits are set */
111
112#define VID_OFF 0x3f
109 113
110#define STOP_GRANT_5NS 1 /* min poss memory access latency for voltage change */ 114#define STOP_GRANT_5NS 1 /* min poss memory access latency for voltage change */
111 115
@@ -121,12 +125,14 @@ struct powernow_k8_data {
121 125
122#define IRT_SHIFT 30 126#define IRT_SHIFT 30
123#define RVO_SHIFT 28 127#define RVO_SHIFT 28
128#define EXT_TYPE_SHIFT 27
124#define PLL_L_SHIFT 20 129#define PLL_L_SHIFT 20
125#define MVS_SHIFT 18 130#define MVS_SHIFT 18
126#define VST_SHIFT 11 131#define VST_SHIFT 11
127#define VID_SHIFT 6 132#define VID_SHIFT 6
128#define IRT_MASK 3 133#define IRT_MASK 3
129#define RVO_MASK 3 134#define RVO_MASK 3
135#define EXT_TYPE_MASK 1
130#define PLL_L_MASK 0x7f 136#define PLL_L_MASK 0x7f
131#define MVS_MASK 3 137#define MVS_MASK 3
132#define VST_MASK 0x7f 138#define VST_MASK 0x7f