/* * Copyright (c) 2009, Google Inc. * All rights reserved. * Copyright (c) 2009-2011, The Linux Foundation. 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 #include #include #include #include #include #include #include #include #include #include #if TARGET_USES_RSPIN_LOCK #include #endif #include #include #define MSM8255_ID 74 #define MSM8655_ID 75 #define APQ8055_ID 85 #define VARIABLE_LENGTH 0x10101010 #define DIFF_START_ADDR 0xF0F0F0F0 #define NUM_PAGES_PER_BLOCK 0x40 static unsigned mmc_sdc_base[] = { MSM_SDC1_BASE, MSM_SDC2_BASE, MSM_SDC3_BASE, MSM_SDC4_BASE }; static struct ptable flash_ptable; static int hw_platform_type = -1; /* Setting this variable to different values defines the * behavior of CE engine: * platform_ce_type = CRYPTO_ENGINE_TYPE_NONE : No CE engine * platform_ce_type = CRYPTO_ENGINE_TYPE_SW : Software CE engine * platform_ce_type = CRYPTO_ENGINE_TYPE_HW : Hardware CE engine * Behavior is determined in the target code. */ static crypto_engine_type platform_ce_type = CRYPTO_ENGINE_TYPE_HW; /* 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 = 256 /* In MB */ , .name = "system", }, { .start = DIFF_START_ADDR, .length = 5 /* In MB */ , .name = "cache", }, { .start = DIFF_START_ADDR, .length = 1 /* In MB */ , .name = "misc", }, { .start = DIFF_START_ADDR, .length = 1 /* In MB */ , .name = "devinfo", }, { .start = DIFF_START_ADDR, .length = VARIABLE_LENGTH, .name = "userdata", }, { .start = DIFF_START_ADDR, .length = 3 /* 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); unsigned smem_read_alloc_entry_offset(smem_mem_type_t, void *, int, int); void keypad_init(void); static int emmc_boot = -1; /* set to uninitialized */ int target_is_emmc_boot(void); static int platform_version = -1; static int target_msm_id = -1; static int interleaved_mode_enabled = -1; void enable_interleave_mode(int); int target_is_interleaved_mode(void) { struct smem_board_info_v4 board_info_v4; unsigned int board_info_len = 0; unsigned smem_status; char *build_type; unsigned format = 0; if (interleaved_mode_enabled != -1) { return interleaved_mode_enabled; } smem_status = smem_read_alloc_entry_offset(SMEM_BOARD_INFO_LOCATION, &format, sizeof(format), 0); if (!smem_status) { if ((format == 3) || (format == 4)) { if (format == 4) board_info_len = sizeof(board_info_v4); else board_info_len = sizeof(board_info_v4.board_info_v3); smem_status = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION, &board_info_v4, board_info_len); if (!smem_status) { build_type = (char *)(board_info_v4. board_info_v3.build_id) + 9; interleaved_mode_enabled = 0; if (*build_type == 'C') { interleaved_mode_enabled = 1; } } } } return interleaved_mode_enabled; } 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 */ unsigned base_addr; unsigned char slot; int i; dprintf(INFO, "target_init()\n"); #if TARGET_USES_RSPIN_LOCK if(remote_spinlock_init(&rlock)) dprintf(SPEW,"Failed to Initialize remote spin locks\n"); #endif #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) ; /* Trying Slot 2 first */ slot = 2; base_addr = mmc_sdc_base[slot - 1]; if (mmc_boot_main(slot, base_addr)) { /* Trying Slot 4 next */ slot = 4; base_addr = mmc_sdc_base[slot - 1]; if (mmc_boot_main(slot, base_addr)) { 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); enable_interleave_mode(target_is_interleaved_mode()); 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 - (offset + ptn->start + length_for_prt); ASSERT(len >= 0); } next_ptr_start_adr = ptn->start + len; if (target_is_interleaved_mode()) { ptable_add(&flash_ptable, ptn->name, offset + (ptn->start / 2), (len / 2), ptn->flags, TYPE_APPS_PARTITION, PERM_WRITEABLE); } else { 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); } int target_platform_version(void) { return platform_version; } int target_is_msm8x55(void) { if ((target_msm_id == MSM8255_ID) || (target_msm_id == MSM8655_ID) || (target_msm_id == APQ8055_ID)) return 1; else return 0; } unsigned board_machtype(void) { struct smem_board_info_v4 board_info_v4; unsigned int board_info_len = 0; enum platform platform_type = 0; unsigned smem_status; unsigned format = 0; if (hw_platform_type != -1) return hw_platform_type; smem_status = smem_read_alloc_entry_offset(SMEM_BOARD_INFO_LOCATION, &format, sizeof(format), 0); if (!smem_status) { if ((format == 3) || (format == 4)) { if (format == 4) board_info_len = sizeof(board_info_v4); else board_info_len = sizeof(board_info_v4.board_info_v3); smem_status = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION, &board_info_v4, board_info_len); if (!smem_status) { if (format == 4) platform_version = board_info_v4.platform_version; platform_type = board_info_v4.board_info_v3.hw_platform; target_msm_id = board_info_v4.board_info_v3.msm_id; switch (platform_type) { case HW_PLATFORM_SURF: hw_platform_type = ((target_is_msm8x55())? LINUX_MACHTYPE_8x55_SURF : LINUX_MACHTYPE_7x30_SURF); break; case HW_PLATFORM_FFA: hw_platform_type = ((target_is_msm8x55())? LINUX_MACHTYPE_8x55_FFA : LINUX_MACHTYPE_7x30_FFA); break; case HW_PLATFORM_FLUID: hw_platform_type = LINUX_MACHTYPE_7x30_FLUID; break; case HW_PLATFORM_SVLTE: hw_platform_type = LINUX_MACHTYPE_8x55_SVLTE_FFA; break; default: hw_platform_type = ((target_is_msm8x55())? LINUX_MACHTYPE_8x55_SURF : LINUX_MACHTYPE_7x30_SURF); break; } return hw_platform_type; } } } hw_platform_type = LINUX_MACHTYPE_7x30_SURF; return hw_platform_type; } 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]; } 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; } #if _EMMC_BOOT void target_serialno(unsigned char *buf) { unsigned int serialno; serialno = mmc_get_psn(); snprintf(buf, 13, "%x", serialno); } int emmc_recovery_init(void) { int rc; rc = _emmc_recovery_init(); return rc; } #endif crypto_engine_type board_ce_type(void) { return platform_ce_type; } int machine_is_ffa() { unsigned mach_type; int ret = 0; mach_type = board_machtype(); switch(mach_type) { case LINUX_MACHTYPE_8x55_FFA: case LINUX_MACHTYPE_7x30_FFA: ret = 1; break; default: ret = 0; } return ret; }