#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/string.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
enum ar71xx_mach_type mach_type;
};
-static int ar71xx_prom_argc __initdata;
-static char **ar71xx_prom_argv __initdata;
-static char **ar71xx_prom_envp __initdata;
-
static struct board_rec boards[] __initdata = {
{
.name = "411",
}, {
.name = "WRT160NL",
.mach_type = AR71XX_MACH_WRT160NL,
+ }, {
+ .name = "WP543",
+ .mach_type = AR71XX_MACH_WP543,
}, {
.name = "WRT400N",
.mach_type = AR71XX_MACH_WRT400N,
}
};
+static int __init ar71xx_board_setup(char *name)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(boards); i++)
+ if (strcmp(name, boards[i].name) == 0) {
+ ar71xx_mach = boards[i].mach_type;
+ break;
+ }
+
+ return 1;
+}
+__setup("board=", ar71xx_board_setup);
+
+static int __init ar71xx_ethaddr_setup(char *str)
+{
+ ar71xx_parse_mac_addr(str);
+ return 1;
+}
+__setup("ethaddr=", ar71xx_ethaddr_setup);
+
+static int __init ar71xx_kmac_setup(char *str)
+{
+ ar71xx_parse_mac_addr(str);
+ return 1;
+}
+__setup("kmac=", ar71xx_kmac_setup);
+
static inline int is_valid_ram_addr(void *addr)
{
if (((u32) addr > KSEG0) &&
return 0;
}
-static __init char *ar71xx_prom_getargv(const char *name)
+static void __init ar71xx_prom_append_cmdline(const char *name,
+ const char *value)
{
- int len = strlen(name);
- int i;
-
- if (!is_valid_ram_addr(ar71xx_prom_argv))
- return NULL;
-
- for (i = 0; i < ar71xx_prom_argc; i++) {
- char *argv = ar71xx_prom_argv[i];
-
- if (!is_valid_ram_addr(argv))
- continue;
+ char buf[CL_SIZE];
- if (strncmp(name, argv, len) == 0 && (argv)[len] == '=')
- return argv + len + 1;
- }
-
- return NULL;
+ snprintf(buf, sizeof(buf), " %s=%s", name, value);
+ strlcat(arcs_cmdline, buf, sizeof(arcs_cmdline));
}
-static __init char *ar71xx_prom_getenv(const char *envname)
+static void __init ar71xx_prom_find_env(char **envp, const char *name)
{
- int len = strlen(envname);
- char **env;
+ int len = strlen(name);
+ char **p;
- if (!is_valid_ram_addr(ar71xx_prom_envp))
- return NULL;
+ if (!is_valid_ram_addr(envp))
+ return;
- for (env = ar71xx_prom_envp; is_valid_ram_addr(*env); env++) {
- if (strncmp(envname, *env, len) == 0 && (*env)[len] == '=')
- return *env + len + 1;
+ for (p = envp; is_valid_ram_addr(*p); p++) {
+ if (strncmp(name, *p, len) == 0 && (*p)[len] == '=') {
+ ar71xx_prom_append_cmdline(name, *p + len + 1);
+ break;
+ }
/* RedBoot env comes in pointer pairs - key, value */
- if (strncmp(envname, *env, len) == 0 && (*env)[len] == 0)
- if (is_valid_ram_addr(*(++env)))
- return *env;
+ if (strncmp(name, *p, len) == 0 && (*p)[len] == 0)
+ if (is_valid_ram_addr(*(++p))) {
+ ar71xx_prom_append_cmdline(name, *p);
+ break;
+ }
}
-
- return NULL;
}
-static __init unsigned long find_board_byname(char *name)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(boards); i++)
- if (strcmp(name, boards[i].name) == 0)
- return boards[i].mach_type;
-
- return AR71XX_MACH_GENERIC;
-}
-
-static int ar71xx_prom_init_myloader(void)
+static int __init ar71xx_prom_init_myloader(void)
{
struct myloader_info *mylo;
+ char mac_buf[32];
+ char *mac;
mylo = myloader_get_info();
if (!mylo)
switch (mylo->did) {
case DEVID_COMPEX_WP543:
- ar71xx_mach = AR71XX_MACH_WP543;
+ ar71xx_prom_append_cmdline("board", "WP543");
break;
default:
printk(KERN_WARNING "prom: unknown device id: %x\n",
mylo->did);
+ return 0;
}
- ar71xx_set_mac_base(mylo->macs[0]);
+
+ mac = mylo->macs[0];
+ snprintf(mac_buf, sizeof(mac_buf), "%02x:%02x:%02x:%02x:%02x:%02x",
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+
+ ar71xx_prom_append_cmdline("ethaddr", mac_buf);
return 1;
}
-static void ar71xx_prom_init_generic(void)
+#ifdef CONFIG_IMAGE_CMDLINE_HACK
+extern char __image_cmdline[];
+
+static int __init ar71xx_use__image_cmdline(void)
{
- char *p;
-
- ar71xx_prom_argc = fw_arg0;
- ar71xx_prom_argv = (char **)fw_arg1;
- ar71xx_prom_envp = (char **)fw_arg2;
-
- p = ar71xx_prom_getargv("board");
- if (!p)
- p = ar71xx_prom_getenv("board");
- if (p)
- ar71xx_mach = find_board_byname(p);
-
- p = ar71xx_prom_getenv("ethaddr");
- if (!p)
- p = ar71xx_prom_getargv("kmac");
- if (p)
- ar71xx_parse_mac_addr(p);
+ char *p = __image_cmdline;
+ int replace = 0;
+
+ if (*p == '-') {
+ replace = 1;
+ p++;
+ }
+
+ if (*p == '\0')
+ return 0;
+
+ if (replace) {
+ strlcpy(arcs_cmdline, p, sizeof(arcs_cmdline));
+ } else {
+ strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
+ strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
+ }
+
+ return 1;
+}
+#else
+static int inline ar71xx_use__image_cmdline(void) { return 0; }
+#endif
+
+static __init void ar71xx_prom_init_cmdline(int argc, char **argv)
+{
+ int i;
+
+ if (ar71xx_use__image_cmdline())
+ return;
+
+ if (!is_valid_ram_addr(argv))
+ return;
+
+ for (i = 0; i < argc; i++)
+ if (is_valid_ram_addr(argv[i])) {
+ strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
+ strlcat(arcs_cmdline, argv[i], sizeof(arcs_cmdline));
+ }
}
void __init prom_init(void)
{
+ char **envp;
+
printk(KERN_DEBUG "prom: fw_arg0=%08x, fw_arg1=%08x, "
"fw_arg2=%08x, fw_arg3=%08x\n",
(unsigned int)fw_arg0, (unsigned int)fw_arg1,
(unsigned int)fw_arg2, (unsigned int)fw_arg3);
+
ar71xx_mach = AR71XX_MACH_GENERIC;
if (ar71xx_prom_init_myloader())
return;
- ar71xx_prom_init_generic();
+ ar71xx_prom_init_cmdline(fw_arg0, (char **)fw_arg1);
+
+ envp = (char **)fw_arg2;
+ ar71xx_prom_find_env(envp, "board");
+ ar71xx_prom_find_env(envp, "ethaddr");
}
void __init prom_free_prom_memory(void)
projects / openwrt.git / commitdiff