mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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17c7b6c3fd
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8653 3c298f89-4303-0410-b956-a3cf2f4a3e73
190 lines
5.8 KiB
C
190 lines
5.8 KiB
C
/*
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* Broadcom Common Firmware Environment (CFE) support
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*
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* Copyright 2000, 2001, 2002
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* Broadcom Corporation. All rights reserved.
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*
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* Copyright (C) 2006 Michael Buesch
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*
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* Original Authors: Mitch Lichtenberg, Chris Demetriou
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*
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* This software is furnished under license and may be used and copied only
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* in accordance with the following terms and conditions. Subject to these
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* conditions, you may download, copy, install, use, modify and distribute
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* modified or unmodified copies of this software in source and/or binary
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* form. No title or ownership is transferred hereby.
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*
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* 1) Any source code used, modified or distributed must reproduce and
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* retain this copyright notice and list of conditions as they appear in
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* the source file.
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*
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* 2) No right is granted to use any trade name, trademark, or logo of
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* Broadcom Corporation. The "Broadcom Corporation" name may not be
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* used to endorse or promote products derived from this software
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* without the prior written permission of Broadcom Corporation.
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*
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* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
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* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
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* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
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* LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LINUX_CFE_API_H_
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#define LINUX_CFE_API_H_
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#include <linux/types.h>
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#define CFE_MI_RESERVED 0 /* memory is reserved, do not use */
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#define CFE_MI_AVAILABLE 1 /* memory is available */
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#define CFE_FLG_WARMSTART 0x00000001
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#define CFE_FLG_FULL_ARENA 0x00000001
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#define CFE_FLG_ENV_PERMANENT 0x00000001
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#define CFE_CPU_CMD_START 1
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#define CFE_CPU_CMD_STOP 0
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#define CFE_STDHANDLE_CONSOLE 0
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#define CFE_DEV_NETWORK 1
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#define CFE_DEV_DISK 2
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#define CFE_DEV_FLASH 3
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#define CFE_DEV_SERIAL 4
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#define CFE_DEV_CPU 5
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#define CFE_DEV_NVRAM 6
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#define CFE_DEV_CLOCK 7
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#define CFE_DEV_OTHER 8
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#define CFE_DEV_MASK 0x0F
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#define CFE_CACHE_FLUSH_D 1
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#define CFE_CACHE_INVAL_I 2
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#define CFE_CACHE_INVAL_D 4
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#define CFE_CACHE_INVAL_L2 8
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#define CFE_FWI_64BIT 0x00000001
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#define CFE_FWI_32BIT 0x00000002
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#define CFE_FWI_RELOC 0x00000004
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#define CFE_FWI_UNCACHED 0x00000008
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#define CFE_FWI_MULTICPU 0x00000010
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#define CFE_FWI_FUNCSIM 0x00000020
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#define CFE_FWI_RTLSIM 0x00000040
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struct cfe_fwinfo {
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s64 version; /* major, minor, eco version */
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s64 totalmem; /* total installed mem */
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s64 flags; /* various flags */
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s64 boardid; /* board ID */
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s64 bootarea_va; /* VA of boot area */
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s64 bootarea_pa; /* PA of boot area */
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s64 bootarea_size; /* size of boot area */
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};
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/* The public CFE API */
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int cfe_present(void); /* Check if we booted from CFE. Returns bool */
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int cfe_getticks(s64 *ticks);
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int cfe_close(int handle);
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int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1);
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int cfe_cpu_stop(int cpu);
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int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen);
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int cfe_enumdev(int idx, char *name, int namelen);
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int cfe_enummem(int idx, int flags, u64 *start, u64 *length,
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u64 *type);
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int cfe_exit(int warm, int status);
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int cfe_flushcache(int flags);
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int cfe_getdevinfo(char *name);
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int cfe_getenv(char *name, char *dest, int destlen);
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int cfe_getfwinfo(struct cfe_fwinfo *info);
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int cfe_getstdhandle(int handletype);
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int cfe_inpstat(int handle);
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int cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
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int length, int *retlen, u64 offset);
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int cfe_open(char *name);
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int cfe_read(int handle, unsigned char *buffer, int length);
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int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length);
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int cfe_setenv(char *name, char *val);
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int cfe_write(int handle, unsigned char *buffer, int length);
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int cfe_writeblk(int handle, s64 offset, unsigned char *buffer,
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int length);
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/* High level API */
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/* Print some information to CFE's console (most likely serial line) */
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int cfe_printk(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
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int cfe_vprintk(const char *fmt, va_list args);
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/* Error codes returned by the low API functions */
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#define CFE_ISERR(errcode) (errcode < 0)
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#define CFE_OK 0
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#define CFE_ERR -1 /* generic error */
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#define CFE_ERR_INV_COMMAND -2
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#define CFE_ERR_EOF -3
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#define CFE_ERR_IOERR -4
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#define CFE_ERR_NOMEM -5
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#define CFE_ERR_DEVNOTFOUND -6
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#define CFE_ERR_DEVOPEN -7
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#define CFE_ERR_INV_PARAM -8
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#define CFE_ERR_ENVNOTFOUND -9
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#define CFE_ERR_ENVREADONLY -10
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#define CFE_ERR_NOTELF -11
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#define CFE_ERR_NOT32BIT -12
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#define CFE_ERR_WRONGENDIAN -13
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#define CFE_ERR_BADELFVERS -14
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#define CFE_ERR_NOTMIPS -15
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#define CFE_ERR_BADELFFMT -16
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#define CFE_ERR_BADADDR -17
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#define CFE_ERR_FILENOTFOUND -18
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#define CFE_ERR_UNSUPPORTED -19
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#define CFE_ERR_HOSTUNKNOWN -20
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#define CFE_ERR_TIMEOUT -21
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#define CFE_ERR_PROTOCOLERR -22
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#define CFE_ERR_NETDOWN -23
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#define CFE_ERR_NONAMESERVER -24
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#define CFE_ERR_NOHANDLES -25
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#define CFE_ERR_ALREADYBOUND -26
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#define CFE_ERR_CANNOTSET -27
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#define CFE_ERR_NOMORE -28
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#define CFE_ERR_BADFILESYS -29
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#define CFE_ERR_FSNOTAVAIL -30
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#define CFE_ERR_INVBOOTBLOCK -31
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#define CFE_ERR_WRONGDEVTYPE -32
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#define CFE_ERR_BBCHECKSUM -33
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#define CFE_ERR_BOOTPROGCHKSUM -34
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#define CFE_ERR_LDRNOTAVAIL -35
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#define CFE_ERR_NOTREADY -36
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#define CFE_ERR_GETMEM -37
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#define CFE_ERR_SETMEM -38
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#define CFE_ERR_NOTCONN -39
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#define CFE_ERR_ADDRINUSE -40
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#endif /* LINUX_CFE_API_H_ */
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