5 * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
14 * 2002/09/30 : bergner : Created
19 * If the major version changes we are incompatible.
20 * Minor version changes are a hint.
22 #define SYSTEMCFG_MAJOR 1
23 #define SYSTEMCFG_MINOR 0
28 __u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */
29 struct { /* Systemcfg version numbers */
30 __u32 major; /* Major number 0x10 */
31 __u32 minor; /* Minor number 0x14 */
34 __u32 platform; /* Platform flags 0x18 */
35 __u32 processor; /* Processor type 0x1C */
36 __u64 processorCount; /* # of physical processors 0x20 */
37 __u64 physicalMemorySize; /* Size of real memory(B) 0x28 */
38 __u64 tb_orig_stamp; /* Timebase at boot 0x30 */
39 __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */
40 __u64 tb_to_xs; /* Inverse of TB to 2^20 0x40 */
41 __u64 stamp_xsec; /* 0x48 */
42 __u64 tb_update_count; /* Timebase atomicity ctr 0x50 */
43 __u32 tz_minuteswest; /* Minutes west of Greenwich 0x58 */
44 __u32 tz_dsttime; /* Type of dst correction 0x5C */
45 /* next four are no longer used except to be exported to /proc */
46 __u32 dcache_size; /* L1 d-cache size 0x60 */
47 __u32 dcache_line_size; /* L1 d-cache line size 0x64 */
48 __u32 icache_size; /* L1 i-cache size 0x68 */
49 __u32 icache_line_size; /* L1 i-cache line size 0x6C */
50 __u8 reserved0[3984]; /* Reserve rest of page 0x70 */
54 extern struct systemcfg *systemcfg;
57 #endif /* __ASSEMBLY__ */
59 #define SYSTEMCFG_PAGE 0x5
60 #define SYSTEMCFG_PHYS_ADDR (SYSTEMCFG_PAGE<<PAGE_SHIFT)
61 #define SYSTEMCFG_VIRT_ADDR (KERNELBASE+SYSTEMCFG_PHYS_ADDR)
63 #endif /* _SYSTEMCFG_H */