patch-2.4.22 linux-2.4.22/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c

• Lines: 97
• Date: 2003-08-25 04:44:40.000000000 -0700
• Orig file: linux-2.4.21/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c linux-2.4.22/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c
@@ -0,0 +1,96 @@
+/*
+ * rbtx4927 specific prom routines
+ *
+ * Author: MontaVista Software, Inc.
+ *         source@mvista.com
+ *
+ * Copyright 2001-2002 MontaVista Software Inc.
+ *
+ *  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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/bootmem.h>
+
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <asm/cpu.h>
+#include <asm/tx4927/tx4927.h>
+
+#ifndef COMMAND_LINE_SIZE
+#define COMMAND_LINE_SIZE CL_SIZE
+#endif
+
+char arcs_cmdline[COMMAND_LINE_SIZE] = "console=ttyS0,38400 ip=any root=nfs rw";
+
+void __init prom_init_cmdline(int argc, char **argv)
+{
+	int i;			/* Always ignore the "-c" at argv[0] */
+
+	/* ignore all built-in args if any f/w args given */
+	if (argc > 1) {
+		*arcs_cmdline = '\0';
+	}
+
+	for (i = 1; i < argc; i++) {
+		if (i != 1) {
+			strcat(arcs_cmdline, " ");
+		}
+		strcat(arcs_cmdline, argv[i]);
+	}
+}
+
+void __init prom_init(int argc, char **argv, char **envp, int *pvec)
+{
+	extern int tx4927_get_mem_size(void);
+	int msize;
+        char* toshiba_name_list[] = GROUP_TOSHIBA_NAMES;
+        extern char* toshiba_name;
+
+	prom_init_cmdline(argc, argv);
+
+	mips_machgroup = MACH_GROUP_TOSHIBA;
+
+	if ((read_c0_prid() & 0xff) == PRID_REV_TX4927)
+		mips_machtype = MACH_TOSHIBA_RBTX4927;
+	else
+		mips_machtype = MACH_TOSHIBA_RBTX4937;
+
+        toshiba_name = toshiba_name_list[mips_machtype];
+
+	msize = tx4927_get_mem_size();
+	add_memory_region(0, msize << 20, BOOT_MEM_RAM);
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
+
+
+void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
+{
+}
+
+const char *get_system_type(void)
+{
+	return "Toshiba RBTX4927/RBTX4937";
+}