412 lines
12 KiB
C
412 lines
12 KiB
C
/* $NetBSD: cfe_api.c,v 1.1 2002/03/05 23:46:40 simonb Exp $ */
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/*
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* Copyright 2000, 2001
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* Broadcom Corporation. All rights reserved.
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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. Neither the "Broadcom Corporation" name nor any
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* trademark or logo of Broadcom Corporation may be used to endorse or
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* promote products derived from this software without the prior written
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* 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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/* *********************************************************************
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* Broadcom Common Firmware Environment (CFE)
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*
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* Device Function stubs File: cfe_api.c
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*
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* This module contains device function stubs (small routines to
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* call the standard "iocb" interface entry point to CFE).
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* There should be one routine here per iocb function call.
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*
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* Author: Mitch Lichtenberg (mpl@broadcom.com)
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*
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********************************************************************* */
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#include <sys/types.h>
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#include <mips/cfe/cfe_xiocb.h>
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#include <mips/cfe/cfe_api.h>
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typedef long intptr_t;
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typedef u_long uintptr_t;
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/*
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* Declare the dispatch function with args of "intptr_t".
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* This makes sure whatever model we're compiling in
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* puts the pointers in a single register. For example,
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* combining -mlong64 and -mips1 or -mips2 would lead to
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* trouble, since the handle and IOCB pointer will be
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* passed in two registers each, and CFE expects one.
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*/
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static int (*cfe_dispfunc)(intptr_t handle,intptr_t xiocb) = 0;
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static cfe_xuint_t cfe_handle = 0;
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int cfe_iocb_dispatch(cfe_xiocb_t *xiocb);
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int cfe_init(cfe_xuint_t handle)
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{
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u_int *sealloc = (u_int *) (intptr_t) (int) CFE_APISEAL;
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if (*sealloc != CFE_EPTSEAL) return -1;
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cfe_dispfunc = (void *) (cfe_xptr_t) (int) CFE_APIENTRY;
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if (handle) cfe_handle = handle;
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return 0;
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}
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int cfe_iocb_dispatch(cfe_xiocb_t *xiocb)
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{
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if (!cfe_dispfunc) return -1;
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return (*cfe_dispfunc)((intptr_t) cfe_handle,(intptr_t) xiocb);
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}
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static int cfe_strlen(char *name)
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{
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int count = 0;
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while (*name) {
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count++;
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name++;
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}
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return count;
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}
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int cfe_open(char *name)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_OPEN;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
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xiocb.plist.xiocb_buffer.buf_offset = 0;
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xiocb.plist.xiocb_buffer.buf_ptr = (cfe_xptr_t) (intptr_t) name;
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xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name);
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cfe_iocb_dispatch(&xiocb);
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return (xiocb.xiocb_status < 0) ? xiocb.xiocb_status : xiocb.xiocb_handle;
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}
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int cfe_close(int handle)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_CLOSE;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = handle;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = 0;
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cfe_iocb_dispatch(&xiocb);
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return (xiocb.xiocb_status);
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}
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int cfe_readblk(int handle,cfe_xint_t offset,u_char *buffer,int length)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_READ;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = handle;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
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xiocb.plist.xiocb_buffer.buf_offset = offset;
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xiocb.plist.xiocb_buffer.buf_ptr = (cfe_xptr_t) (intptr_t) buffer;
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xiocb.plist.xiocb_buffer.buf_length = length;
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cfe_iocb_dispatch(&xiocb);
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return (xiocb.xiocb_status < 0) ? xiocb.xiocb_status : xiocb.plist.xiocb_buffer.buf_retlen;
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}
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int cfe_read(int handle,u_char *buffer,int length)
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{
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return cfe_readblk(handle,0,buffer,length);
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}
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int cfe_writeblk(int handle,cfe_xint_t offset,u_char *buffer,int length)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_WRITE;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = handle;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
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xiocb.plist.xiocb_buffer.buf_offset = offset;
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xiocb.plist.xiocb_buffer.buf_ptr = (cfe_xptr_t) (intptr_t) buffer;
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xiocb.plist.xiocb_buffer.buf_length = length;
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cfe_iocb_dispatch(&xiocb);
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return (xiocb.xiocb_status < 0) ? xiocb.xiocb_status : xiocb.plist.xiocb_buffer.buf_retlen;
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}
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int cfe_write(int handle,u_char *buffer,int length)
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{
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return cfe_writeblk(handle,0,buffer,length);
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}
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int cfe_ioctl(int handle,u_int ioctlnum,u_char *buffer,int length,int *retlen)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_IOCTL;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = handle;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
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xiocb.plist.xiocb_buffer.buf_ioctlcmd = (cfe_xint_t) ioctlnum;
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xiocb.plist.xiocb_buffer.buf_ptr = (cfe_xptr_t) (intptr_t) buffer;
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xiocb.plist.xiocb_buffer.buf_length = length;
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cfe_iocb_dispatch(&xiocb);
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if (retlen) *retlen = xiocb.plist.xiocb_buffer.buf_retlen;
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return xiocb.xiocb_status;
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}
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int cfe_inpstat(int handle)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_INPSTAT;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = handle;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_inpstat_t);
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xiocb.plist.xiocb_inpstat.inp_status = 0;
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cfe_iocb_dispatch(&xiocb);
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if (xiocb.xiocb_status < 0) return xiocb.xiocb_status;
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return xiocb.plist.xiocb_inpstat.inp_status;
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}
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long long cfe_getticks(void)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_GETTIME;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_time_t);
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xiocb.plist.xiocb_time.ticks = 0;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.plist.xiocb_time.ticks;
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}
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int cfe_getenv(char *name,char *dest,int destlen)
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{
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cfe_xiocb_t xiocb;
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*dest = 0;
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xiocb.xiocb_fcode = CFE_CMD_ENV_GET;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
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xiocb.plist.xiocb_envbuf.enum_idx = 0;
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xiocb.plist.xiocb_envbuf.name_ptr = (cfe_xptr_t) (intptr_t) name;
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xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name);
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xiocb.plist.xiocb_envbuf.val_ptr = (cfe_xptr_t) (intptr_t) dest;
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xiocb.plist.xiocb_envbuf.val_length = destlen;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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int cfe_setenv(char *name,char *val)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_ENV_SET;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
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xiocb.plist.xiocb_envbuf.enum_idx = 0;
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xiocb.plist.xiocb_envbuf.name_ptr = (cfe_xptr_t) (intptr_t) name;
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xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name);
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xiocb.plist.xiocb_envbuf.val_ptr = (cfe_xptr_t) (intptr_t) val;
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xiocb.plist.xiocb_envbuf.val_length = cfe_strlen(val);
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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int cfe_enumenv(int idx,char *name,int namelen,char *val,int vallen)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_ENV_SET;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
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xiocb.plist.xiocb_envbuf.enum_idx = idx;
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xiocb.plist.xiocb_envbuf.name_ptr = (cfe_xptr_t) (intptr_t) name;
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xiocb.plist.xiocb_envbuf.name_length = namelen;
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xiocb.plist.xiocb_envbuf.val_ptr = (cfe_xptr_t) (intptr_t) val;
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xiocb.plist.xiocb_envbuf.val_length = vallen;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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int cfe_exit(int warm,int status)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_RESTART;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = warm ? CFE_FLG_WARMSTART : 0;
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xiocb.xiocb_psize = sizeof(xiocb_exitstat_t);
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xiocb.plist.xiocb_exitstat.status = (cfe_xint_t) status;
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cfe_iocb_dispatch(&xiocb);
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return (xiocb.xiocb_status);
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}
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int cfe_flushcache(int flg)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_FLUSHCACHE;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = flg;
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xiocb.xiocb_psize = 0;
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cfe_iocb_dispatch(&xiocb);
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return xiocb.xiocb_status;
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}
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int cfe_getstdhandle(int flg)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_GETHANDLE;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = flg;
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xiocb.xiocb_psize = 0;
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cfe_iocb_dispatch(&xiocb);
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return (xiocb.xiocb_status < 0) ? xiocb.xiocb_status : xiocb.xiocb_handle;
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}
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int cfe_getdevinfo(char *name)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_DEV_GETINFO;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
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xiocb.plist.xiocb_buffer.buf_offset = 0;
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xiocb.plist.xiocb_buffer.buf_ptr = (cfe_xptr_t) (intptr_t) name;
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xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name);
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cfe_iocb_dispatch(&xiocb);
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return (xiocb.xiocb_status < 0) ? xiocb.xiocb_status : (int)xiocb.plist.xiocb_buffer.buf_devflags;
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}
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int cfe_getmeminfo(int idx,cfe_xuint_t *start,cfe_xuint_t *length,cfe_xuint_t *type)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_MEMENUM;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_meminfo_t);
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xiocb.plist.xiocb_meminfo.mi_idx = idx;
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cfe_iocb_dispatch(&xiocb);
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if (xiocb.xiocb_status < 0) return xiocb.xiocb_status;
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*start = xiocb.plist.xiocb_meminfo.mi_addr;
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*length = xiocb.plist.xiocb_meminfo.mi_size;
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*type = xiocb.plist.xiocb_meminfo.mi_type;
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return 0;
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}
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int cfe_getfwinfo(xiocb_fwinfo_t *info)
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{
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cfe_xiocb_t xiocb;
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xiocb.xiocb_fcode = CFE_CMD_FW_GETINFO;
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xiocb.xiocb_status = 0;
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xiocb.xiocb_handle = 0;
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xiocb.xiocb_flags = 0;
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xiocb.xiocb_psize = sizeof(xiocb_fwinfo_t);
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cfe_iocb_dispatch(&xiocb);
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if (xiocb.xiocb_status < 0) return xiocb.xiocb_status;
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info->fwi_version = xiocb.plist.xiocb_fwinfo.fwi_version;
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info->fwi_totalmem = xiocb.plist.xiocb_fwinfo.fwi_totalmem;
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info->fwi_flags = xiocb.plist.xiocb_fwinfo.fwi_flags;
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info->fwi_boardid = xiocb.plist.xiocb_fwinfo.fwi_boardid;
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info->fwi_bootarea_va = xiocb.plist.xiocb_fwinfo.fwi_bootarea_va;
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info->fwi_bootarea_pa = xiocb.plist.xiocb_fwinfo.fwi_bootarea_pa;
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info->fwi_bootarea_size = xiocb.plist.xiocb_fwinfo.fwi_bootarea_size;
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info->fwi_reserved1 = xiocb.plist.xiocb_fwinfo.fwi_reserved1;
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info->fwi_reserved2 = xiocb.plist.xiocb_fwinfo.fwi_reserved2;
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info->fwi_reserved3 = xiocb.plist.xiocb_fwinfo.fwi_reserved3;
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return 0;
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}
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