1 files changed, 95 insertions, 0 deletions

diff --git a/arch/mips/au1000/csb250/init.c b/arch/mips/au1000/csb250/init.c
new file mode 100644
index 000000000000..4320057fc439
--- /dev/null
+++ b/arch/mips/au1000/csb250/init.c
@@ -0,0 +1,95 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *      Cogent CSB250 board setup
+ *
+ * Copyright 2002 Cogent Computer Systems, Inc.
+ *      dan@embeddededge.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 <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+
+int prom_argc;
+char **prom_argv, **prom_envp;
+extern void  __init prom_init_cmdline(void);
+extern char *prom_getenv(char *envname);
+
+/* When we get initrd working someday.........
+*/
+int     my_initrd_start, my_initrd_size;
+
+/* Start arguments and environment.
+*/
+static char     *csb_env[2];
+static char     *csb_arg[4];
+static char     *arg1 = "console=ttyS3,38400";
+static char     *arg2 = "root=/dev/nfs rw ip=any";
+static char     *env1 = "ethaddr=00:30:23:50:00:00";
+
+const char *get_system_type(void)
+{
+        return "Cogent CSB250";
+}
+
+int __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
+{
+        unsigned char *memsize_str;
+        unsigned long memsize;
+
+        /* We use a0 and a1 to pass initrd start and size.
+        */
+        if (((uint) argc > 0) && ((uint)argv > 0)) {
+                my_initrd_start = (uint)argc;
+                my_initrd_size = (uint)argv;
+        }
+
+        /* First argv is ignored.
+        */
+        prom_argc = 3;
+        prom_argv = csb_arg;
+        prom_envp = csb_env;
+        csb_arg[1] = arg1;
+        csb_arg[2] = arg2;
+        csb_env[0] = env1;
+
+        mips_machgroup = MACH_GROUP_ALCHEMY;
+        mips_machtype = MACH_CSB250;  
+
+        prom_init_cmdline();
+        memsize_str = prom_getenv("memsize");
+        if (!memsize_str) {
+                memsize = 0x02000000;
+        } else {
+                memsize = simple_strtol(memsize_str, NULL, 0);
+        }
+        add_memory_region(0, memsize, BOOT_MEM_RAM);
+        return 0;
+}