1 files changed, 91 insertions, 0 deletions

diff --git a/arch/mips/txx9/rbtx4927/prom.c b/arch/mips/txx9/rbtx4927/prom.c
new file mode 100644
index 000000000000..0020bbee838b
--- /dev/null
+++ b/arch/mips/txx9/rbtx4927/prom.c
@@ -0,0 +1,91 @@
+/*
+ * 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/string.h>
+#include <asm/bootinfo.h>
+#include <asm/cpu.h>
+#include <asm/mipsregs.h>
+#include <asm/txx9/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)
+{
+        extern int tx4927_get_mem_size(void);
+        extern char* toshiba_name;
+        int msize;
+
+        prom_init_cmdline();
+
+        if ((read_c0_prid() & 0xff) == PRID_REV_TX4927) {
+                mips_machtype = MACH_TOSHIBA_RBTX4927;
+                toshiba_name  = "TX4927";
+        } else {
+                mips_machtype = MACH_TOSHIBA_RBTX4937;
+                toshiba_name  = "TX4937";
+        }
+
+        msize = tx4927_get_mem_size();
+        add_memory_region(0, msize << 20, BOOT_MEM_RAM);
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
+
+const char *get_system_type(void)
+{
+        return "Toshiba RBTX4927/RBTX4937";
+}
+
+char * __init prom_getcmdline(void)
+{
+        return &(arcs_cmdline[0]);
+}
+