iPod: Fix the bootloader so it can load and run the original Apple firmware again. The Rockbox firmware was doing too much to the hardware so we remove most of the initialisation.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8301 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 10 insertions, 1 deletions

diff --git a/bootloader/ipod.c b/bootloader/ipod.c
index 5b8c0ee217..b1722086e1 100644
--- a/bootloader/ipod.c
+++ b/bootloader/ipod.c
@@ -415,7 +415,16 @@ void* main(void)
             lcd_puts(0, line++, "Rockbox loaded.");
             lcd_update();
             memcpy((void*)DRAM_START,loadbuffer,rc);
-            return (void*)DRAM_START;
+
+            /* Transfer execution directly to Rockbox - we don't want
+               to run the rest of the bootloader startup code. */
+            asm volatile(
+                "mov   r0, #0x10000000    \n"
+                "mov   pc, r0             \n"
+            );
+
+            /* We don't get here, but keep the compiler happy. */
+            return (void*)0;
         }
     }