Support for MIPS Atlas and Malta evaluation boards. Chainsaw edition;

doesn't compile because it smokes ld ...

1 files changed, 126 insertions, 0 deletions

diff --git a/arch/mips/mips-boards/generic/init.c b/arch/mips/mips-boards/generic/init.c
new file mode 100644
index 000000000..f5b71c020
--- /dev/null
+++ b/arch/mips/mips-boards/generic/init.c
@@ -0,0 +1,126 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
+ *
+ * ########################################################################
+ *
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  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.,
+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * ########################################################################
+ *
+ * PROM library initialisation code.
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+
+#include <asm/mips-boards/prom.h>
+
+/* Environment variable */
+typedef struct
+{
+    char *name;
+    char *val;
+}t_env_var;
+
+int prom_argc;
+char **prom_argv, **prom_envp;
+
+int init_debug = 0;
+
+char *prom_getenv(char *envname)
+{
+        /*
+	 * Return a pointer to the given environment variable.
+	 */
+
+	t_env_var *env = (t_env_var *)prom_envp;
+	int i;
+
+	i = strlen(envname);
+
+	while(env->name) {
+		if(strncmp(envname, env->name, i) == 0) {
+			return(env->val);
+		}
+		env++;
+	}
+	return(NULL);
+}
+
+static inline unsigned char str2hexnum(unsigned char c)
+{
+	if(c >= '0' && c <= '9')
+		return c - '0';
+	if(c >= 'a' && c <= 'f')
+		return c - 'a' + 10;
+	return 0; /* foo */
+}
+
+static inline void str2eaddr(unsigned char *ea, unsigned char *str)
+{
+	int i;
+
+	for(i = 0; i < 6; i++) {
+		unsigned char num;
+
+		if((*str == '.') || (*str == ':'))
+			str++;
+		num = str2hexnum(*str++) << 4;
+		num |= (str2hexnum(*str++));
+		ea[i] = num;
+	}
+}
+ 
+int get_ethernet_addr(char *ethernet_addr)
+{
+        char *ethaddr_str;
+
+        ethaddr_str = prom_getenv("ethaddr");
+	if (!ethaddr_str) {
+	        printk("ethaddr not set in boot prom\n");
+		return -1;
+	}
+	str2eaddr(ethernet_addr, ethaddr_str);
+
+	if (init_debug > 1)
+	{
+	        int i;
+		printk("get_ethernet_addr: ");
+	        for (i=0; i<5; i++)
+		        printk("%02x:", (unsigned char)*(ethernet_addr+i));
+		printk("%02x\n", *(ethernet_addr+i));
+	}
+
+	return 0;
+}
+
+int __init prom_init(int argc, char **argv, char **envp)
+{
+	prom_argc = argc;
+	prom_argv = argv;
+	prom_envp = envp;
+
+	mips_display_message("LINUX");
+
+	setup_prom_printf();
+	prom_printf("\nLINUX started...\n");
+
+	prom_init_cmdline();
+
+	prom_meminit();
+
+	return 0;
+}