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 u32 mmu_privins; 42 u32 endian; 43 44 /* CPU caches */ 45 u32 use_icache; 46 u32 icache_tagbits; 47 u32 icache_write; 48 u32 icache_line_length; 49 u32 icache_size; 50 unsigned long icache_base; 51 unsigned long icache_high; 52 53 u32 use_dcache; 54 u32 dcache_tagbits; 55 u32 dcache_write; 56 u32 dcache_line_length; 57 u32 dcache_size; 58 u32 dcache_wb; 59 unsigned long dcache_base; 60 unsigned long dcache_high; 61 62 /* Bus connections */ 63 u32 use_dopb; 64 u32 use_iopb; 65 u32 use_dlmb; 66 u32 use_ilmb; 67 u32 num_fsl; 68 69 /* CPU interrupt line info */ 70 u32 irq_edge; 71 u32 irq_positive; 72 73 u32 area_optimised; 74 75 /* HW debug support */ 76 u32 hw_debug; 77 u32 num_pc_brk; 78 u32 num_rd_brk; 79 u32 num_wr_brk; 80 u32 cpu_clock_freq; /* store real freq of cpu */ 81 82 /* FPGA family */ 83 u32 fpga_family_code; 84 85 /* User define */ 86 u32 pvr_user1; 87 u32 pvr_user2; 88 }; 89 90 extern struct cpuinfo cpuinfo; 91 92 /* fwd declarations of the various CPUinfo populators */ 93 void setup_cpuinfo(void); 94 95 void set_cpuinfo_static(struct cpuinfo *ci, struct device_node *cpu); 96 void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu); 97 fcpu(struct device_node * cpu,char * n)98static inline unsigned int fcpu(struct device_node *cpu, char *n) 99 { 100 const __be32 *val; 101 return (val = of_get_property(cpu, n, NULL)) ? 102 be32_to_cpup(val) : 0; 103 } 104 105 #endif /* _ASM_MICROBLAZE_CPUINFO_H */ 106