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406107da MS |
1 | /* |
2 | * Generic support for queying CPU info | |
3 | * | |
4 | * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> | |
5 | * Copyright (C) 2007-2009 PetaLogix | |
6 | * Copyright (C) 2007 John Williams <jwilliams@itee.uq.edu.au> | |
7 | * | |
8 | * This file is subject to the terms and conditions of the GNU General | |
9 | * Public License. See the file COPYING in the main directory of this | |
10 | * archive for more details. | |
11 | */ | |
12 | ||
13 | #ifndef _ASM_MICROBLAZE_CPUINFO_H | |
14 | #define _ASM_MICROBLAZE_CPUINFO_H | |
15 | ||
16 | #include <asm/prom.h> | |
17 | ||
18 | /* CPU Version and FPGA Family code conversion table type */ | |
19 | struct cpu_ver_key { | |
20 | const char *s; | |
21 | const unsigned k; | |
22 | }; | |
23 | ||
24 | extern const struct cpu_ver_key cpu_ver_lookup[]; | |
25 | ||
26 | struct family_string_key { | |
27 | const char *s; | |
28 | const unsigned k; | |
29 | }; | |
30 | ||
31 | extern const struct family_string_key family_string_lookup[]; | |
32 | ||
33 | struct cpuinfo { | |
34 | /* Core CPU configuration */ | |
35 | u32 use_instr; | |
36 | u32 use_mult; | |
37 | u32 use_fpu; | |
38 | u32 use_exc; | |
39 | u32 ver_code; | |
40 | u32 mmu; | |
41 | ||
42 | /* CPU caches */ | |
43 | u32 use_icache; | |
44 | u32 icache_tagbits; | |
45 | u32 icache_write; | |
46 | u32 icache_line; | |
47 | u32 icache_size; | |
48 | unsigned long icache_base; | |
49 | unsigned long icache_high; | |
50 | ||
51 | u32 use_dcache; | |
52 | u32 dcache_tagbits; | |
53 | u32 dcache_write; | |
54 | u32 dcache_line; | |
55 | u32 dcache_size; | |
56 | unsigned long dcache_base; | |
57 | unsigned long dcache_high; | |
58 | ||
59 | /* Bus connections */ | |
60 | u32 use_dopb; | |
61 | u32 use_iopb; | |
62 | u32 use_dlmb; | |
63 | u32 use_ilmb; | |
64 | u32 num_fsl; | |
65 | ||
66 | /* CPU interrupt line info */ | |
67 | u32 irq_edge; | |
68 | u32 irq_positive; | |
69 | ||
70 | u32 area_optimised; | |
71 | ||
72 | /* HW debug support */ | |
73 | u32 hw_debug; | |
74 | u32 num_pc_brk; | |
75 | u32 num_rd_brk; | |
76 | u32 num_wr_brk; | |
77 | u32 cpu_clock_freq; /* store real freq of cpu */ | |
78 | u32 freq_div_hz; /* store freq/HZ */ | |
79 | ||
80 | /* FPGA family */ | |
81 | u32 fpga_family_code; | |
82 | ||
83 | /* User define */ | |
84 | u32 pvr_user1; | |
85 | u32 pvr_user2; | |
86 | }; | |
87 | ||
88 | extern struct cpuinfo cpuinfo; | |
89 | ||
90 | /* fwd declarations of the various CPUinfo populators */ | |
91 | void setup_cpuinfo(void); | |
92 | ||
93 | void set_cpuinfo_static(struct cpuinfo *ci, struct device_node *cpu); | |
94 | void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu); | |
95 | ||
96 | static inline unsigned int fcpu(struct device_node *cpu, char *n) | |
97 | { | |
98 | int *val; | |
99 | return (val = (int *) of_get_property(cpu, n, NULL)) ? *val : 0; | |
100 | } | |
101 | ||
102 | #endif /* _ASM_MICROBLAZE_CPUINFO_H */ |