| /* |
| * 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 <debug.h> |
| #include <dev/keys.h> |
| #include <dev/gpio.h> |
| #include <dev/ssbi.h> |
| #include <lib/ptable.h> |
| #include <dev/flash.h> |
| #include <smem.h> |
| #include <reg.h> |
| #include <mmc.h> |
| #include <platform/iomap.h> |
| #include <platform/machtype.h> |
| #include <platform.h> |
| |
| #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; |
| |
| /* 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 = 5 /* In MB */, |
| .name = "boot", |
| }, |
| { |
| .start = DIFF_START_ADDR, |
| .length = 128 /* 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 = 5 /* 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 (!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 |