| /* |
| * Copyright (c) 2009, Google Inc. |
| * All rights reserved. |
| * Copyright (c) 2009-2011, 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 <reg.h> |
| #include <debug.h> |
| #include <dev/keys.h> |
| #include <dev/ssbi.h> |
| #include <lib/ptable.h> |
| #include <dev/flash.h> |
| #include <smem.h> |
| #include <mmc.h> |
| #include <platform/iomap.h> |
| #include <platform.h> |
| |
| #define MSM7X27A_FFA 3351 |
| #define MSM7X27A_SURF 3352 |
| #define MSM7X27A_RUMI3 3353 |
| #define MSM7X27A_QRD1 3756 |
| #define MSM7X25A_SURF 3772 |
| #define MSM7X25A_FFA 3771 |
| |
| #define LINUX_MACHTYPE MSM7X27A_SURF |
| |
| #define VARIABLE_LENGTH 0x10101010 |
| #define DIFF_START_ADDR 0xF0F0F0F0 |
| #define NUM_PAGES_PER_BLOCK 0x40 |
| #define RECOVERY_MODE 0x77665502 |
| #define FOTA_COOKIE 0x64645343 |
| |
| unsigned int fota_cookie[1]; |
| |
| static struct ptable flash_ptable; |
| unsigned hw_platform = 0; |
| unsigned target_msm_id = 0; |
| |
| /* 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 = 10 /* In MB */ , |
| .name = "boot", |
| }, |
| { |
| .start = DIFF_START_ADDR, |
| .length = 208 /* In MB */ , |
| .name = "system", |
| }, |
| { |
| .start = DIFF_START_ADDR, |
| .length = 40 /* In MB */ , |
| .name = "cache", |
| }, |
| { |
| .start = DIFF_START_ADDR, |
| .length = 4 /* In MB */ , |
| .name = "misc", |
| }, |
| { |
| .start = DIFF_START_ADDR, |
| .length = VARIABLE_LENGTH, |
| .name = "userdata", |
| }, |
| { |
| .start = DIFF_START_ADDR, |
| .length = 4 /* In MB */ , |
| .name = "persist", |
| }, |
| { |
| .start = DIFF_START_ADDR, |
| .length = 10 /* In MB */ , |
| .name = "recovery", |
| }, |
| }; |
| |
| 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; |
| unsigned total_num_of_blocks; |
| unsigned next_ptr_start_adr = 0; |
| unsigned blocks_per_1MB = 8; /* Default value of 2k page size on 256MB flash drive */ |
| int i; |
| |
| dprintf(INFO, "target_init()\n"); |
| |
| #if (!ENABLE_NANDWRITE) |
| keys_init(); |
| keypad_init(); |
| #endif |
| |
| /* Display splash screen if enabled */ |
| #if DISPLAY_SPLASH_SCREEN |
| display_init(); |
| dprintf(SPEW, "Diplay initialized\n"); |
| display_image_on_screen(); |
| #endif |
| |
| if (target_is_emmc_boot()) { |
| /* Must wait for modem-up before we can intialize MMC. |
| */ |
| while (readl(MSM_SHARED_BASE + 0x14) != 1) ; |
| |
| if (mmc_boot_main(MMC_SLOT, MSM_SDC3_BASE)) { |
| dprintf(CRITICAL, "mmc init failed!"); |
| ASSERT(0); |
| } |
| 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) ; |
| |
| total_num_of_blocks = flash_info->num_blocks; |
| blocks_per_1MB = (1 << 20) / (flash_info->block_size); |
| |
| for (i = 0; i < num_parts; i++) { |
| struct ptentry *ptn = &board_part_list[i]; |
| unsigned len = ((ptn->length) * blocks_per_1MB); |
| |
| if (ptn->start != 0) |
| ASSERT(ptn->start == DIFF_START_ADDR); |
| |
| ptn->start = next_ptr_start_adr; |
| |
| if (ptn->length == VARIABLE_LENGTH) { |
| unsigned length_for_prt = 0; |
| unsigned j; |
| for (j = i + 1; j < num_parts; j++) { |
| struct ptentry *temp_ptn = &board_part_list[j]; |
| ASSERT(temp_ptn->length != VARIABLE_LENGTH); |
| length_for_prt += |
| ((temp_ptn->length) * blocks_per_1MB); |
| } |
| len = |
| (total_num_of_blocks - 1) - (offset + ptn->start + |
| length_for_prt); |
| ASSERT(len >= 0); |
| } |
| next_ptr_start_adr = ptn->start + len; |
| 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); |
| } |
| |
| void board_info(void) |
| { |
| struct smem_board_info_v4 board_info_v4; |
| unsigned int board_info_len = 0; |
| unsigned smem_status; |
| unsigned format = 0; |
| unsigned id = 0; |
| |
| if (hw_platform && target_msm_id) |
| return; |
| |
| hw_platform = MSM7X27A_SURF; |
| target_msm_id = MSM7225A; |
| |
| smem_status = smem_read_alloc_entry_offset(SMEM_BOARD_INFO_LOCATION, |
| &format, sizeof(format), 0); |
| if (!smem_status) { |
| if (format == 4) { |
| board_info_len = sizeof(board_info_v4); |
| smem_status = |
| smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION, |
| &board_info_v4, |
| board_info_len); |
| if (!smem_status) { |
| id = board_info_v4.board_info_v3.hw_platform; |
| target_msm_id = |
| board_info_v4.board_info_v3.msm_id; |
| } |
| } |
| |
| /* Detect SURF v/s FFA v/s QRD */ |
| switch (id) { |
| case 0x1: |
| /* Set the machine type based on msm ID */ |
| if (target_msm_id == MSM7225A |
| || target_msm_id == MSM7625A |
| || target_msm_id == ESM7225A |
| || (target_msm_id >= MSM7225AA |
| && target_msm_id <= ESM7225AA)) |
| hw_platform = MSM7X25A_SURF; |
| else |
| hw_platform = MSM7X27A_SURF; |
| break; |
| case 0x2: |
| if (target_msm_id == MSM7225A |
| || target_msm_id == MSM7625A |
| || target_msm_id == ESM7225A |
| || (target_msm_id >= MSM7225AA |
| && target_msm_id <= ESM7225AA)) |
| hw_platform = MSM7X25A_FFA; |
| else |
| hw_platform = MSM7X27A_FFA; |
| break; |
| case 0xB: |
| hw_platform = MSM7X27A_QRD1; |
| break; |
| default: |
| if (target_msm_id == MSM7225A |
| || target_msm_id == MSM7625A |
| || target_msm_id == ESM7225A |
| || (target_msm_id >= MSM7225AA |
| && target_msm_id <= ESM7225AA)) |
| hw_platform = MSM7X25A_SURF; |
| else |
| hw_platform = MSM7X27A_SURF; |
| }; |
| |
| /* Set msm ID for target variants based on values read from smem */ |
| switch (target_msm_id) { |
| case MSM7225A: |
| case MSM7625A: |
| case ESM7225A: |
| case MSM7225AA: |
| case MSM7625AA: |
| case ESM7225AA: |
| target_msm_id = MSM7625A; |
| break; |
| default: |
| target_msm_id = MSM7627A; |
| } |
| } |
| return; |
| } |
| |
| unsigned board_machtype(void) |
| { |
| board_info(); |
| return hw_platform; |
| } |
| |
| unsigned board_msm_id(void) |
| { |
| board_info(); |
| return target_msm_id; |
| } |
| |
| void reboot_device(unsigned reboot_reason) |
| { |
| reboot(reboot_reason); |
| } |
| |
| static void check_fota_cookie(void) |
| { |
| struct ptentry *ptn; |
| struct ptable *ptable; |
| unsigned page_size = flash_page_size(); |
| unsigned pagemask = page_size - 1; |
| int n = 0; |
| |
| ptable = flash_get_ptable(); |
| if (ptable == NULL) { |
| dprintf(CRITICAL, "ERROR: Partition table not found\n"); |
| return; |
| } |
| |
| ptn = ptable_find(ptable, "FOTA"); |
| if (ptn == NULL) { |
| dprintf(CRITICAL, "ERROR: No FOTA partition found\n"); |
| return; |
| } |
| n = (sizeof(fota_cookie) + pagemask) & (~pagemask); |
| |
| if (flash_read(ptn, 0, fota_cookie, n)) { |
| dprintf(CRITICAL, "ERROR: flash read fail!\n"); |
| return; |
| } |
| return; |
| } |
| |
| 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); |
| |
| /* |
| * SMEM value is relied upon on power shutdown. Check either of SMEM |
| * or FOTA update cookie is set |
| */ |
| check_fota_cookie(); |
| |
| if ((mode[0] == RECOVERY_MODE) || (fota_cookie[0] == FOTA_COOKIE)) |
| return RECOVERY_MODE; |
| |
| if (smem_status) { |
| dprintf(CRITICAL, |
| "ERROR: unable to read shared memory for reboot mode\n"); |
| return 0; |
| } |
| return mode[0]; |
| } |
| |
| static unsigned target_check_power_on_reason(void) |
| { |
| unsigned power_on_status = 0; |
| unsigned int status_len = sizeof(power_on_status); |
| unsigned smem_status; |
| |
| smem_status = smem_read_alloc_entry(SMEM_POWER_ON_STATUS_INFO, |
| &power_on_status, status_len); |
| if (smem_status) { |
| dprintf(CRITICAL, |
| "ERROR: unable to read shared memory for power on reason\n"); |
| } |
| |
| return power_on_status; |
| } |
| |
| unsigned target_pause_for_battery_charge(void) |
| { |
| if (target_check_power_on_reason() == PWR_ON_EVENT_WALL_CHG) |
| return 1; |
| return 0; |
| } |
| |
| void target_battery_charging_enable(unsigned enable, unsigned disconnect) |
| { |
| } |
| |
| #if _EMMC_BOOT |
| void target_serialno(unsigned char *buf) |
| { |
| unsigned int serialno; |
| serialno = mmc_get_psn(); |
| sprintf(buf, "%x", serialno); |
| } |
| |
| int emmc_recovery_init(void) |
| { |
| int rc; |
| rc = _emmc_recovery_init(); |
| return rc; |
| } |
| #endif |