| /* |
| * Copyright (c) 2009, Google Inc. |
| * All rights reserved. |
| * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google, Inc. nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <debug.h> |
| #include <dev/keys.h> |
| #include <dev/gpio_keypad.h> |
| #include <lib/ptable.h> |
| #include <dev/flash.h> |
| #include <smem.h> |
| |
| #define LINUX_MACHTYPE 1007003 |
| |
| static struct ptable flash_ptable; |
| |
| /* for these partitions, start will be offset by either what we get from |
| * smem, or from the above offset if smem is not useful. Also, we should |
| * probably have smem_ptable code populate our flash_ptable. |
| * |
| * When smem provides us with a full partition table, we can get rid of |
| * this altogether. |
| * |
| */ |
| static struct ptentry board_part_list[] = { |
| { |
| .start = 0, |
| .length = 40, |
| .name = "boot", |
| }, |
| { |
| .start = 40, |
| .length = 680 /* 85MB */, |
| .name = "system", |
| }, |
| { |
| .start = 720, |
| .length = 40 /* 5MB */, |
| .name = "cache", |
| }, |
| { |
| .start = 760, |
| .length = 40 /* 5MB */, |
| .name = "recovery", |
| }, |
| { |
| .start = 800, |
| .length = 720 /* 90MB */, |
| .name = "userdata", |
| }, |
| }; |
| static int num_parts = sizeof(board_part_list)/sizeof(struct ptentry); |
| |
| void smem_ptable_init(void); |
| unsigned smem_get_apps_flash_start(void); |
| |
| void keypad_init(void); |
| |
| int target_is_emmc_boot(void); |
| |
| void target_init(void) |
| { |
| unsigned offset; |
| struct flash_info *flash_info; |
| int i; |
| |
| dprintf(INFO, "target_init()\n"); |
| |
| #if (!ENABLE_NANDWRITE) |
| keys_init(); |
| keypad_init(); |
| #endif |
| |
| if (target_is_emmc_boot()) |
| return; |
| |
| ptable_init(&flash_ptable); |
| smem_ptable_init(); |
| |
| flash_init(); |
| flash_info = flash_get_info(); |
| ASSERT(flash_info); |
| |
| offset = smem_get_apps_flash_start(); |
| if (offset == 0xffffffff) |
| while(1); |
| |
| for (i = 0; i < num_parts; i++) { |
| struct ptentry *ptn = &board_part_list[i]; |
| unsigned len = ptn->length; |
| |
| if ((len == 0) && (i == num_parts - 1)) |
| len = flash_info->num_blocks - offset - ptn->start; |
| ptable_add(&flash_ptable, ptn->name, offset + ptn->start, |
| len, ptn->flags, TYPE_APPS_PARTITION, PERM_WRITEABLE); |
| } |
| |
| smem_add_modem_partitions(&flash_ptable); |
| |
| ptable_dump(&flash_ptable); |
| flash_set_ptable(&flash_ptable); |
| } |
| |
| unsigned board_machtype(void) |
| { |
| return LINUX_MACHTYPE; |
| } |
| |
| void reboot_device(unsigned reboot_reason) |
| { |
| reboot(reboot_reason); |
| } |
| |
| unsigned check_reboot_mode(void) |
| { |
| unsigned mode[2] = {0, 0}; |
| unsigned int mode_len = sizeof(mode); |
| unsigned smem_status; |
| |
| smem_status = smem_read_alloc_entry(SMEM_APPS_BOOT_MODE, |
| &mode, mode_len ); |
| if(smem_status) |
| { |
| dprintf(CRITICAL, "ERROR: unable to read shared memory for reboot mode\n"); |
| return 0; |
| } |
| return mode[0]; |
| } |