openwrt-owl/target/linux/ar71xx/patches-4.1/506-MIPS-ath79-prom-parse-r...

43 lines
1.0 KiB
Diff

--- a/arch/mips/ath79/prom.c
+++ b/arch/mips/ath79/prom.c
@@ -22,10 +22,39 @@
#include "common.h"
+static char ath79_cmdline_buf[COMMAND_LINE_SIZE] __initdata;
+
+static void __init ath79_prom_append_cmdline(const char *name,
+ const char *value)
+{
+ snprintf(ath79_cmdline_buf, sizeof(ath79_cmdline_buf),
+ " %s=%s", name, value);
+ strlcat(arcs_cmdline, ath79_cmdline_buf, sizeof(arcs_cmdline));
+}
+
void __init prom_init(void)
{
+ const char *env;
+
fw_init_cmdline();
+ env = fw_getenv("ethaddr");
+ if (env)
+ ath79_prom_append_cmdline("ethaddr", env);
+
+ env = fw_getenv("board");
+ if (env) {
+ /* Workaround for buggy bootloaders */
+ if (strcmp(env, "RouterStation") == 0 ||
+ strcmp(env, "Ubiquiti AR71xx-based board") == 0)
+ env = "UBNT-RS";
+
+ if (strcmp(env, "RouterStation PRO") == 0)
+ env = "UBNT-RSPRO";
+
+ ath79_prom_append_cmdline("board", env);
+ }
+
#ifdef CONFIG_BLK_DEV_INITRD
/* Read the initrd address from the firmware environment */
initrd_start = fw_getenvl("initrd_start");