122 lines
3.3 KiB
C
122 lines
3.3 KiB
C
/*
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* Copyright (c) 2009, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google, Inc. nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <debug.h>
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#include <dev/keys.h>
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#include <dev/gpio_keypad.h>
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#include <lib/ptable.h>
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#include <dev/flash.h>
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#include <platform.h>
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#define BOARD_FLASH_OFFSET 378
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#define LINUX_MACHTYPE 0x0000059F
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static struct ptable flash_ptable;
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/* for these partitions, start will be offset by either what we get from
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* smem, or from the above offset if smem is not useful. Also, we should
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* probably have smem_ptable code populate our flash_ptable.
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*
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* When smem provides us with a full partition table, we can get rid of
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* this altogether.
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*
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*/
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static struct ptentry board_part_list[] = {
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{
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.start = 0,
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.length = 40,
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.name = "boot",
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},
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{
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.start = 56,
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.length = 608 /* 76MB */,
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.name = "system",
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},
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{
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.start = 664,
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.length = 608 /* 76MB */,
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.name = "cache",
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},
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{
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.start = 1272,
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.length = 0,
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.name = "userdata",
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},
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};
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static int num_parts = sizeof(board_part_list)/sizeof(struct ptentry);
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void smem_ptable_init(void);
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unsigned smem_get_apps_flash_start(void);
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void keypad_init(void);
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void target_init(void)
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{
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unsigned offset;
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struct flash_info *flash_info;
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int i;
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dprintf(INFO, "target_init()\n");
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keys_init();
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keypad_init();
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ptable_init(&flash_ptable);
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smem_ptable_init();
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flash_init();
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flash_info = flash_get_info();
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ASSERT(flash_info);
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offset = smem_get_apps_flash_start();
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if (offset == 0xffffffff)
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offset = BOARD_FLASH_OFFSET;
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for (i = 0; i < num_parts; i++) {
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struct ptentry *ptn = &board_part_list[i];
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unsigned len = ptn->length;
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if ((len == 0) && (i == num_parts - 1))
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len = flash_info->num_blocks - offset - ptn->start;
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ptable_add(&flash_ptable, ptn->name, offset + ptn->start,
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len, ptn->flags);
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}
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ptable_dump(&flash_ptable);
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flash_set_ptable(&flash_ptable);
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}
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unsigned board_machtype(void)
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{
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return LINUX_MACHTYPE;
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}
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