10c7fcbd0f
Remove the sh7372 implementation and the shared ZBOOT MMC and SDHI support code from the compressed ARM boot loader. With this in place it is no longer possible to boot any self-contained kernel for sh7372 directly from Mask ROM via SDHI and MMCIF hardware. Signed-off-by: Magnus Damm <damm+renesas@opensource.se> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
72 lines
1.8 KiB
ArmAsm
72 lines
1.8 KiB
ArmAsm
/*
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* The head-file for SH-Mobile ARM platforms
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*
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* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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* Simon Horman <horms@verge.net.au>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifdef CONFIG_ZBOOT_ROM
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.section ".start", "ax"
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/* load board-specific initialization code */
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#include <mach/zboot.h>
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adr r0, dtb_info
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ldmia r0, {r1, r3, r4, r5, r7}
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sub r0, r0, r1 @ calculate the delta offset
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add r5, r5, r0 @ _edata
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ldr lr, [r5, #0] @ check if valid DTB is present
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cmp lr, r3
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bne 0f
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add r9, r7, #31 @ rounded up to a multiple
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bic r9, r9, #31 @ ... of 32 bytes
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add r6, r9, r5 @ copy from _edata
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add r9, r9, r4 @ to MEMORY_START
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1: ldmdb r6!, {r0 - r3, r10 - r12, lr}
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cmp r6, r5
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stmdb r9!, {r0 - r3, r10 - r12, lr}
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bhi 1b
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/* Success: Zero board ID, pointer to start of memory for atag/dtb */
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mov r7, #0
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mov r8, r4
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b 2f
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.align 2
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dtb_info:
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.word dtb_info
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#ifndef __ARMEB__
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.word 0xedfe0dd0 @ sig is 0xd00dfeed big endian
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#else
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.word 0xd00dfeed
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#endif
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.word MEMORY_START
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.word _edata
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.word 0x4000 @ maximum DTB size
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0:
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/* Failure: Zero board ID, NULL atag/dtb */
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mov r7, #0
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mov r8, #0 @ pass null pointer as atag
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2 :
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#endif /* CONFIG_ZBOOT_ROM */
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