support AC49x bootloader environment

Signed-off-by: Daniel Golle <dgolle@allnet.de>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 34145

diff --git a/target/linux/ar7/patches-3.3/310-ac49x-prom-support.patch b/target/linux/ar7/patches-3.3/310-ac49x-prom-support.patch
new file mode 100644 (file)
index 0000000..dddf221
--- /dev/null
+++ b/target/linux/ar7/patches-3.3/310-ac49x-prom-support.patch
@@ -0,0 +1,20 @@
+--- a/arch/mips/ar7/prom.c
++++ b/arch/mips/ar7/prom.c
+@@ -70,6 +70,7 @@ struct psbl_rec {
+ };
+ 
+ static const char psp_env_version[] __initconst = "TIENV0.8";
++static const char psp_env_version_ac49x[] __initconst = "MaxENV0.2";
+ 
+ struct psp_env_chunk {
+       u8      num;
+@@ -186,7 +187,8 @@ static void __init ar7_init_env(struct e
+       struct psbl_rec *psbl = (struct psbl_rec *)(KSEG1ADDR(0x14000300));
+       void *psp_env = (void *)KSEG1ADDR(psbl->env_base);
+ 
+-      if (strcmp(psp_env, psp_env_version) == 0) {
++      if (strcmp(psp_env, psp_env_version) == 0 ||
++          strcmp(psp_env, psp_env_version_ac49x) == 0) {
+               parse_psp_env(psp_env);
+       } else {
+               for (i = 0; i < MAX_ENTRY; i++, env++)