| /* |
| * The head-file for SH-Mobile ARM platforms |
| * |
| * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> |
| * Simon Horman <horms@verge.net.au> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifdef CONFIG_ZBOOT_ROM |
| |
| .section ".start", "ax" |
| |
| /* load board-specific initialization code */ |
| #include <mach/zboot.h> |
| |
| #ifdef CONFIG_ZBOOT_ROM_MMCIF |
| /* Load image from MMC */ |
| adr sp, __tmp_stack + 128 |
| ldr r0, __image_start |
| ldr r1, __image_end |
| subs r1, r1, r0 |
| ldr r0, __load_base |
| 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 |
| |
| __image_start: |
| .long _start |
| __image_end: |
| .long _got_end |
| __load_base: |
| .long CONFIG_MEMORY_START + 0x02000000 @ Load at 32Mb into SDRAM |
| __loaded: |
| .long __continue |
| .align |
| __tmp_stack: |
| .space 128 |
| __continue: |
| #endif /* CONFIG_ZBOOT_ROM_MMCIF */ |
| |
| 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 |
| b 2f |
| |
| 1 : .long MACH_TYPE |
| 2 : |
| |
| #endif /* CONFIG_ZBOOT_ROM */ |
