projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 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; | |
| 44e4e196 | 46 | u32 icache_line_length; |
| 406107da MS |
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; | |
| 44e4e196 | 54 | u32 dcache_line_length; |
| 406107da | 55 | u32 dcache_size; |
| e051af57 | 56 | u32 dcache_wb; |
| 406107da MS |
57 | unsigned long dcache_base; |
| 58 | unsigned long dcache_high; | |
| 59 | ||
| 60 | /* Bus connections */ | |
| 61 | u32 use_dopb; | |
| 62 | u32 use_iopb; | |
| 63 | u32 use_dlmb; | |
| 64 | u32 use_ilmb; | |
| 65 | u32 num_fsl; | |
| 66 | ||
| 67 | /* CPU interrupt line info */ | |
| 68 | u32 irq_edge; | |
| 69 | u32 irq_positive; | |
| 70 | ||
| 71 | u32 area_optimised; | |
| 72 | ||
| 73 | /* HW debug support */ | |
| 74 | u32 hw_debug; | |
| 75 | u32 num_pc_brk; | |
| 76 | u32 num_rd_brk; | |
| 77 | u32 num_wr_brk; | |
| 78 | u32 cpu_clock_freq; /* store real freq of cpu */ | |
| 79 | u32 freq_div_hz; /* store freq/HZ */ | |
| 80 | ||
| 81 | /* FPGA family */ | |
| 82 | u32 fpga_family_code; | |
| 83 | ||
| 84 | /* User define */ | |
| 85 | u32 pvr_user1; | |
| 86 | u32 pvr_user2; | |
| 87 | }; | |
| 88 | ||
| 89 | extern struct cpuinfo cpuinfo; | |
| 90 | ||
| 91 | /* fwd declarations of the various CPUinfo populators */ | |
| 92 | void setup_cpuinfo(void); | |
| 93 | ||
| 94 | void set_cpuinfo_static(struct cpuinfo *ci, struct device_node *cpu); | |
| 95 | void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu); | |
| 96 | ||
| 97 | static inline unsigned int fcpu(struct device_node *cpu, char *n) | |
| 98 | { | |
| 99 | int *val; | |
| 100 | return (val = (int *) of_get_property(cpu, n, NULL)) ? *val : 0; | |
| 101 | } | |
| 102 | ||
| 103 | #endif /* _ASM_MICROBLAZE_CPUINFO_H */ |