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TOMOYO Linux Cross Reference
Linux/arch/mips/include/asm/fw/cfe/cfe_api.h

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  1 /*
  2  * Copyright (C) 2000, 2001, 2002 Broadcom Corporation
  3  *
  4  * This program is free software; you can redistribute it and/or
  5  * modify it under the terms of the GNU General Public License
  6  * as published by the Free Software Foundation; either version 2
  7  * of the License, or (at your option) any later version.
  8  *
  9  * This program is distributed in the hope that it will be useful,
 10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 12  * GNU General Public License for more details.
 13  *
 14  * You should have received a copy of the GNU General Public License
 15  * along with this program; if not, write to the Free Software
 16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 17  */
 18 /*
 19  * Broadcom Common Firmware Environment (CFE)
 20  *
 21  * This file contains declarations for doing callbacks to
 22  * cfe from an application.  It should be the only header
 23  * needed by the application to use this library
 24  *
 25  * Authors:  Mitch Lichtenberg, Chris Demetriou
 26  */
 27 #ifndef CFE_API_H
 28 #define CFE_API_H
 29 
 30 #include <linux/types.h>
 31 #include <linux/string.h>
 32 
 33 typedef long intptr_t;
 34 
 35 
 36 /*
 37  * Constants
 38  */
 39 
 40 /* Seal indicating CFE's presence, passed to user program. */
 41 #define CFE_EPTSEAL 0x43464531
 42 
 43 #define CFE_MI_RESERVED 0       /* memory is reserved, do not use */
 44 #define CFE_MI_AVAILABLE 1      /* memory is available */
 45 
 46 #define CFE_FLG_WARMSTART     0x00000001
 47 #define CFE_FLG_FULL_ARENA    0x00000001
 48 #define CFE_FLG_ENV_PERMANENT 0x00000001
 49 
 50 #define CFE_CPU_CMD_START 1
 51 #define CFE_CPU_CMD_STOP 0
 52 
 53 #define CFE_STDHANDLE_CONSOLE   0
 54 
 55 #define CFE_DEV_NETWORK         1
 56 #define CFE_DEV_DISK            2
 57 #define CFE_DEV_FLASH           3
 58 #define CFE_DEV_SERIAL          4
 59 #define CFE_DEV_CPU             5
 60 #define CFE_DEV_NVRAM           6
 61 #define CFE_DEV_CLOCK           7
 62 #define CFE_DEV_OTHER           8
 63 #define CFE_DEV_MASK            0x0F
 64 
 65 #define CFE_CACHE_FLUSH_D       1
 66 #define CFE_CACHE_INVAL_I       2
 67 #define CFE_CACHE_INVAL_D       4
 68 #define CFE_CACHE_INVAL_L2      8
 69 
 70 #define CFE_FWI_64BIT           0x00000001
 71 #define CFE_FWI_32BIT           0x00000002
 72 #define CFE_FWI_RELOC           0x00000004
 73 #define CFE_FWI_UNCACHED        0x00000008
 74 #define CFE_FWI_MULTICPU        0x00000010
 75 #define CFE_FWI_FUNCSIM         0x00000020
 76 #define CFE_FWI_RTLSIM          0x00000040
 77 
 78 typedef struct {
 79         int64_t fwi_version;            /* major, minor, eco version */
 80         int64_t fwi_totalmem;           /* total installed mem */
 81         int64_t fwi_flags;              /* various flags */
 82         int64_t fwi_boardid;            /* board ID */
 83         int64_t fwi_bootarea_va;        /* VA of boot area */
 84         int64_t fwi_bootarea_pa;        /* PA of boot area */
 85         int64_t fwi_bootarea_size;      /* size of boot area */
 86 } cfe_fwinfo_t;
 87 
 88 
 89 /*
 90  * Defines and prototypes for functions which take no arguments.
 91  */
 92 int64_t cfe_getticks(void);
 93 
 94 /*
 95  * Defines and prototypes for the rest of the functions.
 96  */
 97 int cfe_close(int handle);
 98 int cfe_cpu_start(int cpu, void (*fn) (void), long sp, long gp, long a1);
 99 int cfe_cpu_stop(int cpu);
100 int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen);
101 int cfe_enummem(int idx, int flags, uint64_t * start, uint64_t * length,
102                 uint64_t * type);
103 int cfe_exit(int warm, int status);
104 int cfe_flushcache(int flg);
105 int cfe_getdevinfo(char *name);
106 int cfe_getenv(char *name, char *dest, int destlen);
107 int cfe_getfwinfo(cfe_fwinfo_t * info);
108 int cfe_getstdhandle(int flg);
109 int cfe_init(uint64_t handle, uint64_t ept);
110 int cfe_inpstat(int handle);
111 int cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
112               int length, int *retlen, uint64_t offset);
113 int cfe_open(char *name);
114 int cfe_read(int handle, unsigned char *buffer, int length);
115 int cfe_readblk(int handle, int64_t offset, unsigned char *buffer,
116                 int length);
117 int cfe_setenv(char *name, char *val);
118 int cfe_write(int handle, const char *buffer, int length);
119 int cfe_writeblk(int handle, int64_t offset, const char *buffer,
120                  int length);
121 
122 #endif                          /* CFE_API_H */
123 

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