patch-2.4.20 linux-2.4.20/arch/mips/sibyte/cfe/cfe_api.c

• Lines: 405
• Date: Thu Nov 28 15:53:10 2002
• Orig file: linux-2.4.19/arch/mips/sibyte/cfe/cfe_api.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/arch/mips/sibyte/cfe/cfe_api.c linux-2.4.20/arch/mips/sibyte/cfe/cfe_api.c
@@ -0,0 +1,404 @@
+/*
+ * Copyright (C) 2000, 2001 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.
+    *
+    *  Author:  Mitch Lichtenberg (mpl@broadcom.com)
+    *
+    ********************************************************************* */
+
+
+#include "cfe_xiocb.h"
+#include "cfe_api.h"
+
+static long cfe_console_handle = -1;
+static int (*cfe_dispfunc)(long handle,cfe_xiocb_t *xiocb) = 0;
+static cfe_xuint_t cfe_handle = 0;
+
+/*
+ * This macro makes a "signed 64-bit pointer" - basically extending a regular
+ * pointer to its 64-bit compatibility space equivalent.
+ */
+#define BIGPTR(x) (long long) (long) (x)
+
+typedef unsigned long intptr_t;
+
+int cfe_init(cfe_xuint_t handle)
+{
+	if ((*((unsigned int *) (int) CFE_APISEAL) == CFE_EPTSEAL) ||
+	    (*((unsigned int *) (int) CFE_APISEAL_RE) == CFE_EPTSEAL) ||
+	    (*((unsigned int *) (int) CFE_APISEAL_OLD) == CFE_EPTSEAL)) {
+		cfe_dispfunc = (cfe_xptr_t) (int) CFE_APIENTRY;
+		if (handle) cfe_handle = handle;
+		return 0;
+	} else {
+		return -1;
+	}
+}
+
+int cfe_iocb_dispatch(cfe_xiocb_t *xiocb);
+int cfe_iocb_dispatch(cfe_xiocb_t *xiocb)
+{
+	if (!cfe_dispfunc) return -1;
+	return (*cfe_dispfunc)(cfe_handle,xiocb);
+}
+
+static int cfe_strlen(char *name)
+{
+	int count = 0;
+
+	while (*name) {
+		count++;
+		name++;
+	}
+
+	return count;
+}
+
+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 = BIGPTR(name);
+	xiocb.plist.xiocb_buffer.buf_length = cfe_strlen(name);
+
+	cfe_iocb_dispatch(&xiocb);
+
+	return (xiocb.xiocb_status < 0) ? xiocb.xiocb_status : xiocb.xiocb_handle;
+}
+
+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);
+
+}
+
+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 = BIGPTR(buffer);
+	xiocb.plist.xiocb_buffer.buf_length = length;
+
+	cfe_iocb_dispatch(&xiocb);
+
+	return (xiocb.xiocb_status < 0) ? xiocb.xiocb_status : xiocb.plist.xiocb_buffer.buf_retlen;
+}
+
+int cfe_read(int handle,unsigned char *buffer,int length)
+{
+	return cfe_readblk(handle,0,buffer,length);
+}
+
+
+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 = BIGPTR(buffer);
+	xiocb.plist.xiocb_buffer.buf_length = length;
+
+	cfe_iocb_dispatch(&xiocb);
+
+	return (xiocb.xiocb_status < 0) ? xiocb.xiocb_status : xiocb.plist.xiocb_buffer.buf_retlen;
+}
+
+int cfe_write(int handle,unsigned char *buffer,int length)
+{
+	return cfe_writeblk(handle,0,buffer,length);
+}
+
+
+int cfe_ioctl(int handle,unsigned int ioctlnum,unsigned char *buffer,int length,int *retlen)
+{
+	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_ioctlcmd = (cfe_xint_t) ioctlnum;
+	xiocb.plist.xiocb_buffer.buf_ptr = BIGPTR(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_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;
+
+}
+
+long long cfe_getticks(void)
+{
+	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;
+
+}
+
+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 = BIGPTR(name);
+	xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name);
+	xiocb.plist.xiocb_envbuf.val_ptr = BIGPTR(dest);
+	xiocb.plist.xiocb_envbuf.val_length = destlen;
+
+	cfe_iocb_dispatch(&xiocb);
+
+	return xiocb.xiocb_status;
+}
+
+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 = BIGPTR(name);
+	xiocb.plist.xiocb_envbuf.name_length = cfe_strlen(name);
+	xiocb.plist.xiocb_envbuf.val_ptr = BIGPTR(val);
+	xiocb.plist.xiocb_envbuf.val_length = cfe_strlen(val);
+
+	cfe_iocb_dispatch(&xiocb);
+
+	return xiocb.xiocb_status;
+}
+
+int cfe_enummem(long idx, unsigned long long *addr, unsigned long long *size, long *type)
+{
+	cfe_xiocb_t xiocb;
+	xiocb.xiocb_fcode = CFE_CMD_FW_MEMENUM;
+	xiocb.xiocb_status = 0;
+	xiocb.xiocb_handle = 0;
+	xiocb.xiocb_flags = 0;
+	xiocb.xiocb_psize = sizeof(xiocb_meminfo_t);
+	xiocb.plist.xiocb_meminfo.mi_idx = idx;
+
+	cfe_iocb_dispatch(&xiocb);
+
+	(*addr) = xiocb.plist.xiocb_meminfo.mi_addr;
+	(*size) = xiocb.plist.xiocb_meminfo.mi_size;
+	(*type) = xiocb.plist.xiocb_meminfo.mi_type;
+
+	return xiocb.xiocb_status;
+}
+
+
+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 = BIGPTR(name);
+	xiocb.plist.xiocb_envbuf.name_length = namelen;
+	xiocb.plist.xiocb_envbuf.val_ptr = BIGPTR(val);
+	xiocb.plist.xiocb_envbuf.val_length = vallen;
+
+	cfe_iocb_dispatch(&xiocb);
+
+	return xiocb.xiocb_status;
+}
+
+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 = (cfe_xint_t) status;
+
+	cfe_iocb_dispatch(&xiocb);
+
+	return (xiocb.xiocb_status);
+}
+
+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;
+}
+
+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);
+
+	return (xiocb.xiocb_status < 0) ? xiocb.xiocb_status : xiocb.xiocb_handle;
+
+}
+
+int cfe_start_cpu(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;
+}
+
+
+int cfe_stop_cpu(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;
+}
+
+void cfe_open_console()
+{
+	cfe_console_handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE);
+}
+
+void cfe_console_print(const char *str, int len)
+{
+	int res;
+
+	if (cfe_console_handle != -1) {
+		do {
+			res = cfe_writeblk(cfe_console_handle, 0, str, len);
+			if (res < 0)
+				break;
+			str += res;
+			len -= res;
+		} while (len);
+	}
+}
+