aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c')
-rw-r--r--arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c
new file mode 100644
index 00000000000..e4d095d3e19
--- /dev/null
+++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_prom.c
@@ -0,0 +1,97 @@
+/*
+ * rbtx4927 specific prom routines
+ *
+ * Author: MontaVista Software, Inc.
+ * source@mvista.com
+ *
+ * Copyright 2001-2002 MontaVista Software Inc.
+ *
+ * Copyright (C) 2004 MontaVista Software Inc.
+ * Author: Manish Lachwani, mlachwani@mvista.com
+ *
+ * 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>
+
+void __init prom_init_cmdline(void)
+{
+ int argc = (int) fw_arg0;
+ char **argv = (char **) fw_arg1;
+ 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(void)
+{
+ const char* toshiba_name_list[] = GROUP_TOSHIBA_NAMES;
+ extern int tx4927_get_mem_size(void);
+ extern char* toshiba_name;
+ int msize;
+
+ prom_init_cmdline();
+
+ 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);
+}
+
+unsigned long __init prom_free_prom_memory(void)
+{
+ return 0;
+}
+
+const char *get_system_type(void)
+{
+ return "Toshiba RBTX4927/RBTX4937";
+}
+
+char * __init prom_getcmdline(void)
+{
+ return &(arcs_cmdline[0]);
+}
+