From 2a58009599ff0d2bdbe7e3a9a11a0d838868634d Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Wed, 5 Jun 2013 07:55:22 +0000 Subject: ARM: shmobile: Let romImage rely on default ATAGS Remove the ATAGS data structure from head-shmobile.S since a default ATAGS is already provided by the code in arch/arm/kernel/atags_parser.c. Passing a NULL as ATAGS is valid. For actual hardware specific setup the fixup callback in the board code may be used. Signed-off-by: Magnus Damm Signed-off-by: Simon Horman --- arch/arm/boot/compressed/head-shmobile.S | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-) (limited to 'arch/arm/boot') diff --git a/arch/arm/boot/compressed/head-shmobile.S b/arch/arm/boot/compressed/head-shmobile.S index fe3719b516fd..19b2304436fa 100644 --- a/arch/arm/boot/compressed/head-shmobile.S +++ b/arch/arm/boot/compressed/head-shmobile.S @@ -55,26 +55,9 @@ __tmp_stack: __continue: #endif /* CONFIG_ZBOOT_ROM_MMC || CONFIG_ZBOOT_ROM_SH_MOBILE_SDHI */ - b 1f -__atags:@ tag #1 - .long 12 @ tag->hdr.size = tag_size(tag_core); - .long 0x54410001 @ tag->hdr.tag = ATAG_CORE; - .long 0 @ tag->u.core.flags = 0; - .long 0 @ tag->u.core.pagesize = 0; - .long 0 @ tag->u.core.rootdev = 0; - @ tag #2 - .long 8 @ tag->hdr.size = tag_size(tag_mem32); - .long 0x54410002 @ tag->hdr.tag = ATAG_MEM; - .long CONFIG_MEMORY_SIZE @ tag->u.mem.size = CONFIG_MEMORY_SIZE; - .long CONFIG_MEMORY_START @ @ tag->u.mem.start = CONFIG_MEMORY_START; - @ tag #3 - .long 0 @ tag->hdr.size = 0 - .long 0 @ tag->hdr.tag = ATAG_NONE; -1: - /* Set board ID necessary for boot */ ldr r7, 1f @ Set machine type register - adr r8, __atags @ Set atag register + mov r8, #0 @ pass null pointer as atag b 2f 1 : .long MACH_TYPE -- cgit v1.2.3 From 4f309d272f7139278f52cf1e2dcf5b2bc8c029d9 Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Wed, 5 Jun 2013 16:55:31 +0900 Subject: ARM: shmobile: Remove romImage CONFIG_MEMORY_START Instead of relying on CONFIG_MEMORY_START for memory base address, let each romImage board header file specify this information. This is reworks code not to rely on CONFIG_MEMORY_START which in turn is needed for ARCH_MULTIPLATFORM. Signed-off-by: Magnus Damm Signed-off-by: Simon Horman --- arch/arm/boot/compressed/head-shmobile.S | 2 +- arch/arm/mach-shmobile/include/mach/zboot.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'arch/arm/boot') diff --git a/arch/arm/boot/compressed/head-shmobile.S b/arch/arm/boot/compressed/head-shmobile.S index 19b2304436fa..e2d636336b7c 100644 --- a/arch/arm/boot/compressed/head-shmobile.S +++ b/arch/arm/boot/compressed/head-shmobile.S @@ -46,7 +46,7 @@ __image_start: __image_end: .long _got_end __load_base: - .long CONFIG_MEMORY_START + 0x02000000 @ Load at 32Mb into SDRAM + .long MEMORY_START + 0x02000000 @ Load at 32Mb into SDRAM __loaded: .long __continue .align diff --git a/arch/arm/mach-shmobile/include/mach/zboot.h b/arch/arm/mach-shmobile/include/mach/zboot.h index 9320aff0a20f..308b5cfd1c16 100644 --- a/arch/arm/mach-shmobile/include/mach/zboot.h +++ b/arch/arm/mach-shmobile/include/mach/zboot.h @@ -12,9 +12,11 @@ #ifdef CONFIG_MACH_AP4EVB #define MACH_TYPE MACH_TYPE_AP4EVB +#define MEMORY_START 0x40000000 #include "mach/head-ap4evb.txt" #elif defined(CONFIG_MACH_MACKEREL) #define MACH_TYPE MACH_TYPE_MACKEREL +#define MEMORY_START 0x40000000 #include "mach/head-mackerel.txt" #else #error "unsupported board." -- cgit v1.2.3