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Diffstat (limited to 'arch/mips/fw/cfe/cfe_api.c')
-rw-r--r--arch/mips/fw/cfe/cfe_api.c502
1 files changed, 502 insertions, 0 deletions
diff --git a/arch/mips/fw/cfe/cfe_api.c b/arch/mips/fw/cfe/cfe_api.c
new file mode 100644
index 000000000000..a9f69e4e40ac
--- /dev/null
+++ b/arch/mips/fw/cfe/cfe_api.c
@@ -0,0 +1,502 @@
+/*
+ * 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)
+ *
+ * Device Function stubs File: cfe_api.c
+ *
+ * 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))
+
+#ifdef CFE_API_IMPL_NAMESPACE
+#define cfe_iocb_dispatch(a) __cfe_iocb_dispatch(a)
+#endif
+int cfe_iocb_dispatch(cfe_xiocb_t * xiocb);
+
+#if defined(CFE_API_common) || defined(CFE_API_ALL)
+/*
+ * 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 cfe_xuint_t cfe_handle = 0;
+
+int cfe_init(cfe_xuint_t handle, cfe_xuint_t ept)
+{
+ cfe_dispfunc = NATIVE_FROM_XPTR(ept);
+ cfe_handle = handle;
+ return 0;
+}
+
+int cfe_iocb_dispatch(cfe_xiocb_t * xiocb)
+{
+ if (!cfe_dispfunc)
+ return -1;
+ return (*cfe_dispfunc) ((intptr_t) cfe_handle, (intptr_t) xiocb);
+}
+#endif /* CFE_API_common || CFE_API_ALL */
+
+#if defined(CFE_API_close) || defined(CFE_API_ALL)
+int cfe_close(int handle)
+{
+ cfe_xiocb_t 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;
+
+}
+#endif /* CFE_API_close || CFE_API_ALL */
+
+#if defined(CFE_API_cpu_start) || defined(CFE_API_ALL)
+int cfe_cpu_start(int cpu, void (*fn) (void), long sp, long gp, long a1)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = 0;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_cpuctl_t);
+ 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;
+}
+#endif /* CFE_API_cpu_start || CFE_API_ALL */
+
+#if defined(CFE_API_cpu_stop) || defined(CFE_API_ALL)
+int cfe_cpu_stop(int cpu)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_FW_CPUCTL;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = 0;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_cpuctl_t);
+ 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;
+}
+#endif /* CFE_API_cpu_stop || CFE_API_ALL */
+
+#if defined(CFE_API_enumenv) || defined(CFE_API_ALL)
+int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_ENV_SET;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = 0;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
+ 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;
+}
+#endif /* CFE_API_enumenv || CFE_API_ALL */
+
+#if defined(CFE_API_enummem) || defined(CFE_API_ALL)
+int
+cfe_enummem(int idx, int flags, cfe_xuint_t * start, cfe_xuint_t * length,
+ cfe_xuint_t * type)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_FW_MEMENUM;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = 0;
+ xiocb.xiocb_flags = flags;
+ xiocb.xiocb_psize = sizeof(xiocb_meminfo_t);
+ 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;
+}
+#endif /* CFE_API_enummem || CFE_API_ALL */
+
+#if defined(CFE_API_exit) || defined(CFE_API_ALL)
+int cfe_exit(int warm, int status)
+{
+ cfe_xiocb_t 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(xiocb_exitstat_t);
+ xiocb.plist.xiocb_exitstat.status = status;
+
+ cfe_iocb_dispatch(&xiocb);
+
+ return xiocb.xiocb_status;
+}
+#endif /* CFE_API_exit || CFE_API_ALL */
+
+#if defined(CFE_API_flushcache) || defined(CFE_API_ALL)
+int cfe_flushcache(int flg)
+{
+ cfe_xiocb_t 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;
+}
+#endif /* CFE_API_flushcache || CFE_API_ALL */
+
+#if defined(CFE_API_getdevinfo) || defined(CFE_API_ALL)
+int cfe_getdevinfo(char *name)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_DEV_GETINFO;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = 0;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
+ xiocb.plist.xiocb_buffer.buf_offset = 0;
+ xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name);
+ xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name);
+
+ cfe_iocb_dispatch(&xiocb);
+
+ if (xiocb.xiocb_status < 0)
+ return xiocb.xiocb_status;
+ return xiocb.plist.xiocb_buffer.buf_devflags;
+}
+#endif /* CFE_API_getdevinfo || CFE_API_ALL */
+
+#if defined(CFE_API_getenv) || defined(CFE_API_ALL)
+int cfe_getenv(char *name, char *dest, int destlen)
+{
+ cfe_xiocb_t 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(xiocb_envbuf_t);
+ xiocb.plist.xiocb_envbuf.enum_idx = 0;
+ xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
+ xiocb.plist.xiocb_envbuf.name_length = cfe_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;
+}
+#endif /* CFE_API_getenv || CFE_API_ALL */
+
+#if defined(CFE_API_getfwinfo) || defined(CFE_API_ALL)
+int cfe_getfwinfo(cfe_fwinfo_t * info)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_FW_GETINFO;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = 0;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_fwinfo_t);
+
+ 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;
+}
+#endif /* CFE_API_getfwinfo || CFE_API_ALL */
+
+#if defined(CFE_API_getstdhandle) || defined(CFE_API_ALL)
+int cfe_getstdhandle(int flg)
+{
+ cfe_xiocb_t 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;
+}
+#endif /* CFE_API_getstdhandle || CFE_API_ALL */
+
+#if defined(CFE_API_getticks) || defined(CFE_API_ALL)
+int64_t
+#ifdef CFE_API_IMPL_NAMESPACE
+__cfe_getticks(void)
+#else
+cfe_getticks(void)
+#endif
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_FW_GETTIME;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = 0;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_time_t);
+ xiocb.plist.xiocb_time.ticks = 0;
+
+ cfe_iocb_dispatch(&xiocb);
+
+ return xiocb.plist.xiocb_time.ticks;
+
+}
+#endif /* CFE_API_getticks || CFE_API_ALL */
+
+#if defined(CFE_API_inpstat) || defined(CFE_API_ALL)
+int cfe_inpstat(int handle)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_DEV_INPSTAT;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = handle;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_inpstat_t);
+ 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;
+}
+#endif /* CFE_API_inpstat || CFE_API_ALL */
+
+#if defined(CFE_API_ioctl) || defined(CFE_API_ALL)
+int
+cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
+ int length, int *retlen, cfe_xuint_t offset)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_DEV_IOCTL;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = handle;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
+ 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;
+}
+#endif /* CFE_API_ioctl || CFE_API_ALL */
+
+#if defined(CFE_API_open) || defined(CFE_API_ALL)
+int cfe_open(char *name)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_DEV_OPEN;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = 0;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
+ xiocb.plist.xiocb_buffer.buf_offset = 0;
+ xiocb.plist.xiocb_buffer.buf_ptr = XPTR_FROM_NATIVE(name);
+ xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name);
+
+ cfe_iocb_dispatch(&xiocb);
+
+ if (xiocb.xiocb_status < 0)
+ return xiocb.xiocb_status;
+ return xiocb.xiocb_handle;
+}
+#endif /* CFE_API_open || CFE_API_ALL */
+
+#if defined(CFE_API_read) || defined(CFE_API_ALL)
+int cfe_read(int handle, unsigned char *buffer, int length)
+{
+ return cfe_readblk(handle, 0, buffer, length);
+}
+#endif /* CFE_API_read || CFE_API_ALL */
+
+#if defined(CFE_API_readblk) || defined(CFE_API_ALL)
+int
+cfe_readblk(int handle, cfe_xint_t offset, unsigned char *buffer,
+ int length)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_DEV_READ;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = handle;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
+ 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;
+}
+#endif /* CFE_API_readblk || CFE_API_ALL */
+
+#if defined(CFE_API_setenv) || defined(CFE_API_ALL)
+int cfe_setenv(char *name, char *val)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_ENV_SET;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = 0;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_envbuf_t);
+ xiocb.plist.xiocb_envbuf.enum_idx = 0;
+ xiocb.plist.xiocb_envbuf.name_ptr = XPTR_FROM_NATIVE(name);
+ xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name);
+ xiocb.plist.xiocb_envbuf.val_ptr = XPTR_FROM_NATIVE(val);
+ xiocb.plist.xiocb_envbuf.val_length = cfe_strlen(val);
+
+ cfe_iocb_dispatch(&xiocb);
+
+ return xiocb.xiocb_status;
+}
+#endif /* CFE_API_setenv || CFE_API_ALL */
+
+#if (defined(CFE_API_strlen) || defined(CFE_API_ALL)) \
+ && !defined(CFE_API_STRLEN_CUSTOM)
+int cfe_strlen(char *name)
+{
+ int count = 0;
+
+ while (*name++)
+ count++;
+
+ return count;
+}
+#endif /* CFE_API_strlen || CFE_API_ALL */
+
+#if defined(CFE_API_write) || defined(CFE_API_ALL)
+int cfe_write(int handle, unsigned char *buffer, int length)
+{
+ return cfe_writeblk(handle, 0, buffer, length);
+}
+#endif /* CFE_API_write || CFE_API_ALL */
+
+#if defined(CFE_API_writeblk) || defined(CFE_API_ALL)
+int
+cfe_writeblk(int handle, cfe_xint_t offset, unsigned char *buffer,
+ int length)
+{
+ cfe_xiocb_t xiocb;
+
+ xiocb.xiocb_fcode = CFE_CMD_DEV_WRITE;
+ xiocb.xiocb_status = 0;
+ xiocb.xiocb_handle = handle;
+ xiocb.xiocb_flags = 0;
+ xiocb.xiocb_psize = sizeof(xiocb_buffer_t);
+ 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;
+}
+#endif /* CFE_API_writeblk || CFE_API_ALL */