On Sun, Jan 09, 2011 at 09:49:28PM +0900, Simon Horman wrote: > diff --git a/arch/arm/boot/compressed/head-shmobile.S b/arch/arm/boot/compressed/head-shmobile.S > index 30973b7..de83c5a 100644 > --- a/arch/arm/boot/compressed/head-shmobile.S > +++ b/arch/arm/boot/compressed/head-shmobile.S > @@ -25,6 +25,37 @@ > /* load board-specific initialization code */ > #include <mach/zboot.h> > > +#ifdef CONFIG_ZBOOT_ROM_MMCIF > + /* Load image from MMC */ > + adr sp, __tmp_stack > + add sp, sp, #128 This can be replaced with: adr sp, __tmp_stack + 128 ? > + ldr r0, __image_start > + ldr r1, __image_end > + subs r1, r1, r0 > + ldr r0, __load_base > + mov lr, pc > + b mmcif_loader No need for a separate mov instruction - this will do both in one go: bl mmcif_loader > + > + /* Jump to loaded code */ > + ldr r0, __loaded > + ldr r1, __image_start > + sub r0, r0, r1 > + ldr r1, __load_base > + add pc, r0, r1 *__loaded - *__image_start + *__load_base &__loaded - &_start + CONFIG_MEMORY_START + 0x02000000 So this jumps to the '__loaded' label in the just loaded image - are you sure you want to jump to a location that contains an address rather than code? I think you want the two changes below to correct that. > + > +__image_start: > + .long _start > +__image_end: > + .long _got_end > +__load_base: > + .long CONFIG_MEMORY_START + 0x02000000 @ Load at 32Mb into SDRAM > +__loaded: > + .long __loaded change to .long __continue > + .align > +__tmp_stack: > + .space 128 add __continue > +#endif /* CONFIG_ZBOOT_ROM_MMCIF */ > + > b 1f > __atags:@ tag #1 > .long 12 @ tag->hdr.size = tag_size(tag_core); > diff --git a/arch/arm/boot/compressed/mmcif-sh7372.c b/arch/arm/boot/compressed/mmcif-sh7372.c > new file mode 100644 > index 0000000..c54df5c > --- /dev/null > +++ b/arch/arm/boot/compressed/mmcif-sh7372.c > @@ -0,0 +1,87 @@ > +/* > + * sh7372 MMCIF loader > + * > + * Copyright (C) 2010 Magnus Damm > + * Copyright (C) 2010 Simon Horman > + * > + * This file is subject to the terms and conditions of the GNU General Public > + * License. See the file "COPYING" in the main directory of this archive > + * for more details. > + */ > + > +#include <linux/mmc/sh_mmcif.h> > +#include <mach/mmcif.h> > + > +#define MMCIF_BASE (void __iomem *)0xe6bd0000 > + > +#define PORT84CR 0xe6050054 > +#define PORT85CR 0xe6050055 > +#define PORT86CR 0xe6050056 > +#define PORT87CR 0xe6050057 > +#define PORT88CR 0xe6050058 > +#define PORT89CR 0xe6050059 > +#define PORT90CR 0xe605005a > +#define PORT91CR 0xe605005b > +#define PORT92CR 0xe605005c > +#define PORT99CR 0xe6050063 > + > +#define SMSTPCR3 0xe615013c These should also be (void __iomem *). > diff --git a/arch/arm/mach-shmobile/include/mach/mmcif-ap4eb.h b/arch/arm/mach-shmobile/include/mach/mmcif-ap4eb.h > new file mode 100644 > index 0000000..c6b10ee > --- /dev/null > +++ b/arch/arm/mach-shmobile/include/mach/mmcif-ap4eb.h > @@ -0,0 +1,29 @@ > +#ifndef MMCIF_AP4EB_H > +#define MMCIF_AP4EB_H > + > +#define PORT185CR 0xe60520b9 > +#define PORT186CR 0xe60520ba > +#define PORT187CR 0xe60520bb > +#define PORT188CR 0xe60520bc > + > +#define PORTR191_160DR 0xe6056014 Ditto. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html