433 lines
11 KiB
C
433 lines
11 KiB
C
/*
|
|
* Copyright (C) 2000, 2001, 2002 Broadcom Corporation
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
/*
|
|
*
|
|
* Broadcom Common Firmware Environment (CFE)
|
|
*
|
|
* This module contains device function stubs (small routines to
|
|
* call the standard "iocb" interface entry point to CFE).
|
|
* There should be one routine here per iocb function call.
|
|
*
|
|
* Authors: Mitch Lichtenberg, Chris Demetriou
|
|
*/
|
|
|
|
#include <asm/fw/cfe/cfe_api.h>
|
|
#include "cfe_api_int.h"
|
|
|
|
/* Cast from a native pointer to a cfe_xptr_t and back. */
|
|
#define XPTR_FROM_NATIVE(n) ((cfe_xptr_t) (intptr_t) (n))
|
|
#define NATIVE_FROM_XPTR(x) ((void *) (intptr_t) (x))
|
|
|
|
int cfe_iocb_dispatch(struct cfe_xiocb *xiocb);
|
|
|
|
/*
|
|
* Declare the dispatch function with args of "intptr_t".
|
|
* This makes sure whatever model we're compiling in
|
|
* puts the pointers in a single register. For example,
|
|
* combining -mlong64 and -mips1 or -mips2 would lead to
|
|
* trouble, since the handle and IOCB pointer will be
|
|
* passed in two registers each, and CFE expects one.
|
|
*/
|
|
|
|
static int (*cfe_dispfunc) (intptr_t handle, intptr_t xiocb) = 0;
|
|
static u64 cfe_handle = 0;
|
|
|
|
int cfe_init(u64 handle, u64 ept)
|
|
{
|
|
cfe_dispfunc = NATIVE_FROM_XPTR(ept);
|
|
cfe_handle = handle;
|
|
return 0;
|
|
}
|
|
|
|
int cfe_iocb_dispatch(struct cfe_xiocb * xiocb)
|
|
{
|
|
if (!cfe_dispfunc)
|
|
return -1;
|
|
return (*cfe_dispfunc) ((intptr_t) cfe_handle, (intptr_t) xiocb);
|
|
}
|
|
|
|
int cfe_close(int handle)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_DEV_CLOSE;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = handle;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = 0;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
return xiocb.xiocb_status;
|
|
|
|
}
|
|
|
|
int cfe_cpu_start(int cpu, void (*fn) (void), long sp, long gp, long a1)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_cpuctl);
|
|
xiocb.plist.xiocb_cpuctl.cpu_number = cpu;
|
|
xiocb.plist.xiocb_cpuctl.cpu_command = CFE_CPU_CMD_START;
|
|
xiocb.plist.xiocb_cpuctl.gp_val = gp;
|
|
xiocb.plist.xiocb_cpuctl.sp_val = sp;
|
|
xiocb.plist.xiocb_cpuctl.a1_val = a1;
|
|
xiocb.plist.xiocb_cpuctl.start_addr = (long) fn;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
return xiocb.xiocb_status;
|
|
}
|
|
|
|
int cfe_cpu_stop(int cpu)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_cpuctl);
|
|
xiocb.plist.xiocb_cpuctl.cpu_number = cpu;
|
|
xiocb.plist.xiocb_cpuctl.cpu_command = CFE_CPU_CMD_STOP;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
return xiocb.xiocb_status;
|
|
}
|
|
|
|
int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_ENV_SET;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_envbuf);
|
|
xiocb.plist.xiocb_envbuf.enum_idx = idx;
|
|
xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
|
|
xiocb.plist.xiocb_envbuf.name_length = namelen;
|
|
xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(val);
|
|
xiocb.plist.xiocb_envbuf.val_length = vallen;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
return xiocb.xiocb_status;
|
|
}
|
|
|
|
int
|
|
cfe_enummem(int idx, int flags, u64 *start, u64 *length, u64 *type)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_FW_MEMENUM;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = flags;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_meminfo);
|
|
xiocb.plist.xiocb_meminfo.mi_idx = idx;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (xiocb.xiocb_status < 0)
|
|
return xiocb.xiocb_status;
|
|
|
|
*start = xiocb.plist.xiocb_meminfo.mi_addr;
|
|
*length = xiocb.plist.xiocb_meminfo.mi_size;
|
|
*type = xiocb.plist.xiocb_meminfo.mi_type;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cfe_exit(int warm, int status)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_FW_RESTART;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = warm ? CFE_FLG_WARMSTART : 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_exitstat);
|
|
xiocb.plist.xiocb_exitstat.status = status;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
return xiocb.xiocb_status;
|
|
}
|
|
|
|
int cfe_flushcache(int flg)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_FW_FLUSHCACHE;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = flg;
|
|
xiocb.xiocb_psize = 0;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
return xiocb.xiocb_status;
|
|
}
|
|
|
|
int cfe_getdevinfo(char *name)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_DEV_GETINFO;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_buffer);
|
|
xiocb.plist.xiocb_buffer.buf_offset = 0;
|
|
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name);
|
|
xiocb.plist.xiocb_buffer.buf_length = strlen(name);
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (xiocb.xiocb_status < 0)
|
|
return xiocb.xiocb_status;
|
|
return xiocb.plist.xiocb_buffer.buf_ioctlcmd;
|
|
}
|
|
|
|
int cfe_getenv(char *name, char *dest, int destlen)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
*dest = 0;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_ENV_GET;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_envbuf);
|
|
xiocb.plist.xiocb_envbuf.enum_idx = 0;
|
|
xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
|
|
xiocb.plist.xiocb_envbuf.name_length = strlen(name);
|
|
xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(dest);
|
|
xiocb.plist.xiocb_envbuf.val_length = destlen;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
return xiocb.xiocb_status;
|
|
}
|
|
|
|
int cfe_getfwinfo(cfe_fwinfo_t * info)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_FW_GETINFO;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_fwinfo);
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (xiocb.xiocb_status < 0)
|
|
return xiocb.xiocb_status;
|
|
|
|
info->fwi_version = xiocb.plist.xiocb_fwinfo.fwi_version;
|
|
info->fwi_totalmem = xiocb.plist.xiocb_fwinfo.fwi_totalmem;
|
|
info->fwi_flags = xiocb.plist.xiocb_fwinfo.fwi_flags;
|
|
info->fwi_boardid = xiocb.plist.xiocb_fwinfo.fwi_boardid;
|
|
info->fwi_bootarea_va = xiocb.plist.xiocb_fwinfo.fwi_bootarea_va;
|
|
info->fwi_bootarea_pa = xiocb.plist.xiocb_fwinfo.fwi_bootarea_pa;
|
|
info->fwi_bootarea_size =
|
|
xiocb.plist.xiocb_fwinfo.fwi_bootarea_size;
|
|
#if 0
|
|
info->fwi_reserved1 = xiocb.plist.xiocb_fwinfo.fwi_reserved1;
|
|
info->fwi_reserved2 = xiocb.plist.xiocb_fwinfo.fwi_reserved2;
|
|
info->fwi_reserved3 = xiocb.plist.xiocb_fwinfo.fwi_reserved3;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
int cfe_getstdhandle(int flg)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_DEV_GETHANDLE;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = flg;
|
|
xiocb.xiocb_psize = 0;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (xiocb.xiocb_status < 0)
|
|
return xiocb.xiocb_status;
|
|
return xiocb.xiocb_handle;
|
|
}
|
|
|
|
int64_t
|
|
cfe_getticks(void)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_FW_GETTIME;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_time);
|
|
xiocb.plist.xiocb_time.ticks = 0;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
return xiocb.plist.xiocb_time.ticks;
|
|
|
|
}
|
|
|
|
int cfe_inpstat(int handle)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_DEV_INPSTAT;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = handle;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_inpstat);
|
|
xiocb.plist.xiocb_inpstat.inp_status = 0;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (xiocb.xiocb_status < 0)
|
|
return xiocb.xiocb_status;
|
|
return xiocb.plist.xiocb_inpstat.inp_status;
|
|
}
|
|
|
|
int
|
|
cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
|
|
int length, int *retlen, u64 offset)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_DEV_IOCTL;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = handle;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_buffer);
|
|
xiocb.plist.xiocb_buffer.buf_offset = offset;
|
|
xiocb.plist.xiocb_buffer.buf_ioctlcmd = ioctlnum;
|
|
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer);
|
|
xiocb.plist.xiocb_buffer.buf_length = length;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (retlen)
|
|
*retlen = xiocb.plist.xiocb_buffer.buf_retlen;
|
|
return xiocb.xiocb_status;
|
|
}
|
|
|
|
int cfe_open(char *name)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_DEV_OPEN;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_buffer);
|
|
xiocb.plist.xiocb_buffer.buf_offset = 0;
|
|
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name);
|
|
xiocb.plist.xiocb_buffer.buf_length = strlen(name);
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (xiocb.xiocb_status < 0)
|
|
return xiocb.xiocb_status;
|
|
return xiocb.xiocb_handle;
|
|
}
|
|
|
|
int cfe_read(int handle, unsigned char *buffer, int length)
|
|
{
|
|
return cfe_readblk(handle, 0, buffer, length);
|
|
}
|
|
|
|
int cfe_readblk(int handle, s64 offset, unsigned char *buffer, int length)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_DEV_READ;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = handle;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_buffer);
|
|
xiocb.plist.xiocb_buffer.buf_offset = offset;
|
|
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer);
|
|
xiocb.plist.xiocb_buffer.buf_length = length;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (xiocb.xiocb_status < 0)
|
|
return xiocb.xiocb_status;
|
|
return xiocb.plist.xiocb_buffer.buf_retlen;
|
|
}
|
|
|
|
int cfe_setenv(char *name, char *val)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_ENV_SET;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = 0;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_envbuf);
|
|
xiocb.plist.xiocb_envbuf.enum_idx = 0;
|
|
xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
|
|
xiocb.plist.xiocb_envbuf.name_length = strlen(name);
|
|
xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(val);
|
|
xiocb.plist.xiocb_envbuf.val_length = strlen(val);
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
return xiocb.xiocb_status;
|
|
}
|
|
|
|
int cfe_write(int handle, unsigned char *buffer, int length)
|
|
{
|
|
return cfe_writeblk(handle, 0, buffer, length);
|
|
}
|
|
|
|
int cfe_writeblk(int handle, s64 offset, unsigned char *buffer, int length)
|
|
{
|
|
struct cfe_xiocb xiocb;
|
|
|
|
xiocb.xiocb_fcode = CFE_CMD_DEV_WRITE;
|
|
xiocb.xiocb_status = 0;
|
|
xiocb.xiocb_handle = handle;
|
|
xiocb.xiocb_flags = 0;
|
|
xiocb.xiocb_psize = sizeof(struct xiocb_buffer);
|
|
xiocb.plist.xiocb_buffer.buf_offset = offset;
|
|
xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(buffer);
|
|
xiocb.plist.xiocb_buffer.buf_length = length;
|
|
|
|
cfe_iocb_dispatch(&xiocb);
|
|
|
|
if (xiocb.xiocb_status < 0)
|
|
return xiocb.xiocb_status;
|
|
return xiocb.plist.xiocb_buffer.buf_retlen;
|
|
}
|