This patch adds a MIPS specific jump_to_image_no_args() implementation, which flushes the U-Boot proper image loaded from the boot device in SPL before jumping to it.
It has been noticed on MT76x8, that this cache flush is needed. Other MIPS platforms might need it as well.
Signed-off-by: Stefan Roese sr@denx.de Cc: Weijie Gao weijie.gao@mediatek.com Cc: Daniel Schwierzeck daniel.schwierzeck@gmail.com Cc: Simon Goldschmidt simon.k.r.goldschmidt@gmail.com --- arch/mips/lib/boot.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/arch/mips/lib/boot.c b/arch/mips/lib/boot.c index db862f6379..bc620abd9b 100644 --- a/arch/mips/lib/boot.c +++ b/arch/mips/lib/boot.c @@ -6,6 +6,7 @@ #include <common.h> #include <command.h> #include <cpu_func.h> +#include <spl.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -21,3 +22,16 @@ unsigned long do_go_exec(ulong (*entry)(int, char * const []),
return entry(argc, argv); } + +void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) +{ + typedef void __noreturn (*image_entry_noargs_t)(void); + image_entry_noargs_t image_entry = + (image_entry_noargs_t)spl_image->entry_point; + + /* Flush cache before jumping to application */ + flush_cache((unsigned long)spl_image->load_addr, spl_image->size); + + debug("image entry point: 0x%lx\n", spl_image->entry_point); + image_entry(); +}