OpenWrt – Rev 4

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--- 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");