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-rw-r--r--arch/mips/au1000/db1x00/init.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/mips/au1000/db1x00/init.c b/arch/mips/au1000/db1x00/init.c
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+++ b/arch/mips/au1000/db1x00/init.c
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+/*
+ * BRIEF MODULE DESCRIPTION
+ * PB1000 board setup
+ *
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ * ppopov@mvista.com or source@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 <linux/config.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+
+int prom_argc;
+char **prom_argv, **prom_envp;
+extern void __init prom_init_cmdline(void);
+extern char *prom_getenv(char *envname);
+
+const char *get_system_type(void)
+{
+#ifdef CONFIG_MIPS_BOSPORUS
+ return "Alchemy Bosporus Gateway Reference";
+#else
+ return "Alchemy Db1x00";
+#endif
+}
+
+void __init prom_init(void)
+{
+ unsigned char *memsize_str;
+ unsigned long memsize;
+
+ prom_argc = fw_arg0;
+ prom_argv = (char **) fw_arg1;
+ prom_envp = (char **) fw_arg2;
+
+ mips_machgroup = MACH_GROUP_ALCHEMY;
+ mips_machtype = MACH_DB1000; /* set the platform # */
+
+ prom_init_cmdline();
+
+ memsize_str = prom_getenv("memsize");
+ if (!memsize_str)
+ memsize = 0x04000000;
+ else
+ memsize = simple_strtol(memsize_str, NULL, 0);
+ add_memory_region(0, memsize, BOOT_MEM_RAM);
+}