ar71xx: add initial support for 3.2

Tested on the following boards:
  ALFA AP96
  TL-MR3220 v1
  TL-WR1043ND v1
  TL-WR2543ND v1
  TL-WR703N v1
  TL-WR741ND v1
  TL-WR741ND v4
  WNDR3700 v1
  WZR-HP-G300NH

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29868 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 57 insertions, 0 deletions

diff --git a/target/linux/ar71xx/patches-3.2/508-MIPS-ath79-prom-image-command-line-hack.patch b/target/linux/ar71xx/patches-3.2/508-MIPS-ath79-prom-image-command-line-hack.patch
new file mode 100644
index 000000000..062e513a3
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.2/508-MIPS-ath79-prom-image-command-line-hack.patch
@@ -0,0 +1,57 @@
+--- a/arch/mips/ath79/prom.c
++++ b/arch/mips/ath79/prom.c
+@@ -70,6 +70,35 @@ static const char * __init ath79_prom_fi
+ 	return ret;
+ }
+ 
++#ifdef CONFIG_IMAGE_CMDLINE_HACK
++extern char __image_cmdline[];
++
++static int __init ath79_use_image_cmdline(void)
++{
++	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 inline int ath79_use_image_cmdline(void) { return 0; }
++#endif
++
+ static int __init ath79_prom_init_myloader(void)
+ {
+ 	struct myloader_info *mylo;
+@@ -95,6 +124,8 @@ static int __init ath79_prom_init_myload
+ 
+ 	ath79_prom_append_cmdline("ethaddr", mac_buf);
+ 
++	ath79_use_image_cmdline();
++
+ 	return 1;
+ }
+ 
+@@ -102,6 +133,9 @@ static __init void ath79_prom_init_cmdli
+ {
+ 	int i;
+ 
++	if (ath79_use_image_cmdline())
++		return;
++
+ 	if (!is_valid_ram_addr(argv))
+ 		return;
+