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177 lines
5.7 KiB
C
177 lines
5.7 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_PRIVATE_H_
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#define LINUX_CFE_PRIVATE_H_
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#ifndef __ASSEMBLY__
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/* Seal indicating CFE's presence, passed to the kernel. */
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#define CFE_EPTSEAL 0x43464531
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#define CFE_CMD_FW_GETINFO 0
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#define CFE_CMD_FW_RESTART 1
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#define CFE_CMD_FW_BOOT 2
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#define CFE_CMD_FW_CPUCTL 3
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#define CFE_CMD_FW_GETTIME 4
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#define CFE_CMD_FW_MEMENUM 5
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#define CFE_CMD_FW_FLUSHCACHE 6
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#define CFE_CMD_DEV_GETHANDLE 9
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#define CFE_CMD_DEV_ENUM 10
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#define CFE_CMD_DEV_OPEN 11
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#define CFE_CMD_DEV_INPSTAT 12
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#define CFE_CMD_DEV_READ 13
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#define CFE_CMD_DEV_WRITE 14
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#define CFE_CMD_DEV_IOCTL 15
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#define CFE_CMD_DEV_CLOSE 16
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#define CFE_CMD_DEV_GETINFO 17
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#define CFE_CMD_ENV_ENUM 20
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#define CFE_CMD_ENV_GET 22
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#define CFE_CMD_ENV_SET 23
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#define CFE_CMD_ENV_DEL 24
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#define CFE_CMD_MAX 32
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#define CFE_CMD_VENDOR_USE 0x8000 /* codes above this are for customer use */
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typedef u64 cfe_uint_t;
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typedef s64 cfe_int_t;
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typedef s64 cfe_ptr_t;
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/* Cast a pointer from native to CFE-API pointer and back */
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#define CFE_TO_PTR(p) ((void *)(unsigned long)(p))
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#define PTR_TO_CFE(p) ((cfe_ptr_t)(unsigned long)(p))
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struct cfe_iocb_buf {
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cfe_uint_t offset; /* offset on device (bytes) */
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cfe_ptr_t ptr; /* pointer to a buffer */
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cfe_uint_t length; /* length of this buffer */
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cfe_uint_t retlen; /* returned length (for read ops) */
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union {
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cfe_uint_t ioctlcmd; /* IOCTL command (used only for IOCTLs) */
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cfe_uint_t devflags; /* Returned device info flags */
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};
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};
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struct cfe_iocb_inpstat {
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cfe_uint_t status; /* 1 means input available */
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};
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struct cfe_iocb_envbuf {
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cfe_int_t index; /* 0-based enumeration index */
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cfe_ptr_t name; /* name string buffer */
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cfe_int_t name_len; /* size of name buffer */
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cfe_ptr_t val; /* value string buffer */
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cfe_int_t val_len; /* size of value string buffer */
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};
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struct cfe_iocb_cpuctl {
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cfe_uint_t number; /* cpu number to control */
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cfe_uint_t command; /* command to issue to CPU */
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cfe_uint_t start_addr; /* CPU start address */
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cfe_uint_t gp; /* starting GP value */
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cfe_uint_t sp; /* starting SP value */
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cfe_uint_t a1; /* starting A1 value */
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};
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struct cfe_iocb_time {
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cfe_int_t ticks; /* current time in ticks */
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};
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struct cfe_iocb_exitstat {
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cfe_int_t status;
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};
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struct cfe_iocb_meminfo {
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cfe_int_t index; /* 0-based enumeration index */
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cfe_int_t type; /* type of memory block */
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cfe_uint_t addr; /* physical start address */
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cfe_uint_t size; /* block size */
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};
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struct cfe_iocb_fwinfo {
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cfe_int_t version; /* major, minor, eco version */
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cfe_int_t totalmem; /* total installed mem */
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cfe_int_t flags; /* various flags */
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cfe_int_t boardid; /* board ID */
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cfe_int_t bootarea_va; /* VA of boot area */
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cfe_int_t bootarea_pa; /* PA of boot area */
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cfe_int_t bootarea_size; /* size of boot area */
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cfe_int_t reserved1;
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cfe_int_t reserved2;
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cfe_int_t reserved3;
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};
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/* CFE I/O Control Block */
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struct cfe_iocb {
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cfe_uint_t fcode; /* IOCB function code */
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cfe_int_t status; /* return status */
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cfe_int_t handle; /* file/device handle */
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cfe_uint_t flags; /* flags for this IOCB */
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cfe_uint_t psize; /* size of parameter list */
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union {
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struct cfe_iocb_buf buffer; /* buffer parameters */
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struct cfe_iocb_inpstat inpstat; /* input status parameters */
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struct cfe_iocb_envbuf envbuf; /* environment function parameters */
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struct cfe_iocb_cpuctl cpuctl; /* CPU control parameters */
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struct cfe_iocb_time time; /* timer parameters */
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struct cfe_iocb_meminfo meminfo; /* memory arena info parameters */
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struct cfe_iocb_fwinfo fwinfo; /* firmware information */
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struct cfe_iocb_exitstat exitstat; /* Exit Status */
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};
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};
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#include <linux/init.h>
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void __init cfe_setup(unsigned long fwarg0, unsigned long fwarg1,
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unsigned long fwarg2, unsigned long fwarg3);
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#else /* __ASSEMBLY__ */
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.macro cfe_early_init
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#ifdef CONFIG_CFE
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jal cfe_setup
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#endif
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.endm
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#endif /* __ASSEMBLY__ */
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#endif /* LINUX_CFE_PRIVATE_H_ */
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