On 09/29/2012 01:13 AM, Scott Wood wrote: > On 09/26/2012 04:01:08 AM, Stefan Roese wrote: >> This patch enables the SPL framework to be used on powerpc platforms >> and not only ARM. >> >> Signed-off-by: Stefan Roese <s...@denx.de> >> --- >> Changes in v2: >> - Rebased on Tom's SPL framework patches v4 >> - Add option to skip copying of the mkimage header >> >> arch/powerpc/lib/Makefile | 1 + >> arch/powerpc/lib/spl.c | 42 >> ++++++++++++++++++++++++++++++++++++++++++ >> common/spl/spl.c | 10 ++++++++++ >> 3 files changed, 53 insertions(+) >> create mode 100644 arch/powerpc/lib/spl.c >> >> diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile >> index 965f9ea..9bcbdde 100644 >> --- a/arch/powerpc/lib/Makefile >> +++ b/arch/powerpc/lib/Makefile >> @@ -50,6 +50,7 @@ COBJS-y += cache.o >> COBJS-y += extable.o >> COBJS-y += interrupts.o >> COBJS-$(CONFIG_CMD_KGDB) += kgdb.o >> +COBJS-$(CONFIG_SPL_FRAMEWORK) += spl.o >> COBJS-y += time.o > > Won't this build spl.o into the main U-Boot as well?
Yes. I'll fix it in the next patchset version. >> +/* >> + * This function jumps to an image with argument. Normally an FDT or >> ATAGS >> + * image. >> + * arg: Pointer to paramter image in RAM >> + */ >> +#ifdef CONFIG_SPL_OS_BOOT >> +void __noreturn jump_to_image_linux(void *arg) >> +{ >> + debug("Entering kernel arg pointer: 0x%p\n", arg); >> + typedef void (*image_entry_arg_t)(void *, ulong r4, ulong r5, >> ulong r6, >> + ulong r7, ulong r8, ulong r9) >> + __attribute__ ((noreturn)); >> + image_entry_arg_t image_entry = >> + (image_entry_arg_t)spl_image.entry_point; >> + >> + image_entry(arg, 0, 0, EPAPR_MAGIC, CONFIG_SYS_BOOTMAPSZ, 0, 0); >> +} > > At what point does the image get cache-flushed? Not at all right now. MPC5200 has dcache disabled, at least in the SPL. Other PowerPC architectures might add a cache flush here if needed at some time. Okay? Thanks, Stefan _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot