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/*
* Broadcom Common Firmware Environment (CFE) support
*
* Copyright 2000, 2001, 2002
* Broadcom Corporation. All rights reserved.
*
* Copyright (C) 2006 Michael Buesch
*
* Original Authors: Mitch Lichtenberg, Chris Demetriou
*
* This software is furnished under license and may be used and copied only
* in accordance with the following terms and conditions. Subject to these
* conditions, you may download, copy, install, use, modify and distribute
* modified or unmodified copies of this software in source and/or binary
* form. No title or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce and
* retain this copyright notice and list of conditions as they appear in
* the source file.
*
* 2) No right is granted to use any trade name, trademark, or logo of
* Broadcom Corporation. The "Broadcom Corporation" name may not be
* used to endorse or promote products derived from this software
* without the prior written permission of Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
* LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LINUX_CFE_API_H_
#define LINUX_CFE_API_H_
#include <linux/types.h>
#define CFE_MI_RESERVED 0 /* memory is reserved, do not use */
#define CFE_MI_AVAILABLE 1 /* memory is available */
#define CFE_FLG_WARMSTART 0x00000001
#define CFE_FLG_FULL_ARENA 0x00000001
#define CFE_FLG_ENV_PERMANENT 0x00000001
#define CFE_CPU_CMD_START 1
#define CFE_CPU_CMD_STOP 0
#define CFE_STDHANDLE_CONSOLE 0
#define CFE_DEV_NETWORK 1
#define CFE_DEV_DISK 2
#define CFE_DEV_FLASH 3
#define CFE_DEV_SERIAL 4
#define CFE_DEV_CPU 5
#define CFE_DEV_NVRAM 6
#define CFE_DEV_CLOCK 7
#define CFE_DEV_OTHER 8
#define CFE_DEV_MASK 0x0F
#define CFE_CACHE_FLUSH_D 1
#define CFE_CACHE_INVAL_I 2
#define CFE_CACHE_INVAL_D 4
#define CFE_CACHE_INVAL_L2 8
#define CFE_FWI_64BIT 0x00000001
#define CFE_FWI_32BIT 0x00000002
#define CFE_FWI_RELOC 0x00000004
#define CFE_FWI_UNCACHED 0x00000008
#define CFE_FWI_MULTICPU 0x00000010
#define CFE_FWI_FUNCSIM 0x00000020
#define CFE_FWI_RTLSIM 0x00000040
struct cfe_fwinfo {
s64 version; /* major, minor, eco version */
s64 totalmem; /* total installed mem */
s64 flags; /* various flags */
s64 boardid; /* board ID */
s64 bootarea_va; /* VA of boot area */
s64 bootarea_pa; /* PA of boot area */
s64 bootarea_size; /* size of boot area */
};
/* The public CFE API */
int cfe_present(void); /* Check if we booted from CFE. Returns bool */
int cfe_getticks(s64 *ticks);
int cfe_close(int handle);
int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1);
int cfe_cpu_stop(int cpu);
int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen);
int cfe_enumdev(int idx, char *name, int namelen);
int cfe_enummem(int idx, int flags, u64 *start, u64 *length,
u64 *type);
int cfe_exit(int warm, int status);
int cfe_flushcache(int flags);
int cfe_getdevinfo(char *name);
int cfe_getenv(char *name, char *dest, int destlen);
int cfe_getfwinfo(struct cfe_fwinfo *info);
int cfe_getstdhandle(int handletype);
int cfe_inpstat(int handle);
int cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
int length, int *retlen, u64 offset);
int cfe_open(char *name);
int cfe_read(int handle, unsigned char *buffer, int length);
int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length);
int cfe_setenv(char *name, char *val);
int cfe_write(int handle, unsigned char *buffer, int length);
int cfe_writeblk(int handle, s64 offset, unsigned char *buffer,
int length);
/* High level API */
/* Print some information to CFE's console (most likely serial line) */
int cfe_printk(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
int cfe_vprintk(const char *fmt, va_list args);
/* Error codes returned by the low API functions */
#define CFE_ISERR(errcode) (errcode < 0)
#define CFE_OK 0
#define CFE_ERR -1 /* generic error */
#define CFE_ERR_INV_COMMAND -2
#define CFE_ERR_EOF -3
#define CFE_ERR_IOERR -4
#define CFE_ERR_NOMEM -5
#define CFE_ERR_DEVNOTFOUND -6
#define CFE_ERR_DEVOPEN -7
#define CFE_ERR_INV_PARAM -8
#define CFE_ERR_ENVNOTFOUND -9
#define CFE_ERR_ENVREADONLY -10
#define CFE_ERR_NOTELF -11
#define CFE_ERR_NOT32BIT -12
#define CFE_ERR_WRONGENDIAN -13
#define CFE_ERR_BADELFVERS -14
#define CFE_ERR_NOTMIPS -15
#define CFE_ERR_BADELFFMT -16
#define CFE_ERR_BADADDR -17
#define CFE_ERR_FILENOTFOUND -18
#define CFE_ERR_UNSUPPORTED -19
#define CFE_ERR_HOSTUNKNOWN -20
#define CFE_ERR_TIMEOUT -21
#define CFE_ERR_PROTOCOLERR -22
#define CFE_ERR_NETDOWN -23
#define CFE_ERR_NONAMESERVER -24
#define CFE_ERR_NOHANDLES -25
#define CFE_ERR_ALREADYBOUND -26
#define CFE_ERR_CANNOTSET -27
#define CFE_ERR_NOMORE -28
#define CFE_ERR_BADFILESYS -29
#define CFE_ERR_FSNOTAVAIL -30
#define CFE_ERR_INVBOOTBLOCK -31
#define CFE_ERR_WRONGDEVTYPE -32
#define CFE_ERR_BBCHECKSUM -33
#define CFE_ERR_BOOTPROGCHKSUM -34
#define CFE_ERR_LDRNOTAVAIL -35
#define CFE_ERR_NOTREADY -36
#define CFE_ERR_GETMEM -37
#define CFE_ERR_SETMEM -38
#define CFE_ERR_NOTCONN -39
#define CFE_ERR_ADDRINUSE -40
#endif /* LINUX_CFE_API_H_ */
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