X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/3ce718dbaa54e31b42a5ee1488a75859531b38d7..cd7b6d1acc0c3a450671a65493958abe6d84c4db:/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c

diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c
index e16ac6500..c2e1dcbae 100644
--- a/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c
+++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c
@@ -3,6 +3,7 @@
  * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
  * Copyright (C) 2003 ADMtek Incorporated.
  *	daniell@admtek.com.tw
+ * Copyright (C) 2007 OpenWrt.org
  *
  *  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
@@ -29,15 +30,14 @@
 #include <asm/bootinfo.h>
 #include <asm/addrspace.h>
 
-#include <adm5120_info.h>
+#include <asm/mach-adm5120/adm5120_info.h>
+
+static char **prom_envp = NULL;
 
 void setup_prom_printf(int);
 void prom_printf(char *, ...);
 void prom_meminit(void);
 
-#define ADM5120_ENVC           1
-
-char *adm5120_envp[2*ADM5120_ENVC] = {"memsize","0x001000000"};
 
 #define READCSR(r)      *(volatile unsigned long *)(0xB2600000+(r))
 #define WRITECSR(r,v)   *(volatile unsigned long *)(0xB2600000+(r)) = v
@@ -80,38 +80,46 @@ void prom_printf(char *fmt, ...)
 
 char *prom_getenv(char *envname)
 {
-	int i, index=0;
+	char **env;
+	char *ret;
 
-	i = strlen(envname);
+	ret = NULL;
 
-	printk(KERN_INFO "GETENV: envname is %s\n", envname);
+	if (prom_envp== NULL)
+		return NULL;
 
-	while(index < (2*ADM5120_ENVC)) {
-		if(strncmp(envname, adm5120_envp[index], i) == 0) {
-			printk(KERN_INFO "GETENV: returning %s\n", adm5120_envp[index+1]);
-			return(adm5120_envp[index+1]);
+	for (env = prom_envp; *env != NULL; env++) {
+		if (strcmp(envname, *env++) == 0) {
+			ret = *env;
+			break;
 		}
-		index += 2;
 	}
 
-	printk(KERN_INFO "GETENV: not found.\n");
-	return(NULL);
+	return ret;
 }
 
-	
+extern char _image_cmdline;
 /*
  * initialize the prom module.
  */
 void __init prom_init(void)
 {
-	/* you should these macros defined in include/asm/bootinfo.h */
-	mips_machgroup = MACH_GROUP_ADM_GW;
-	mips_machtype = MACH_ADM_GW_5120;
-	
+	char *cmd;
+
+	if ((fw_arg2 & 3) == 0) {
+		prom_envp = (char **)fw_arg2;
+	}
+
 	adm5120_info_init();
 
+	/* you should these macros defined in include/asm/bootinfo.h */
+	mips_machgroup = MACH_GROUP_ADM5120;
+	mips_machtype = adm5120_board.mach_type;
+
 	/* init command line, register a default kernel command line */
-	strcpy(&(arcs_cmdline[0]), CONFIG_CMDLINE);
+	cmd = &_image_cmdline + 8;
+	if( strlen(cmd) > 0) strcpy( &(arcs_cmdline[0]), cmd);
+		else strcpy(&(arcs_cmdline[0]), CONFIG_CMDLINE);
 
 	/* init memory map */
 	prom_meminit();