| // SPDX-License-Identifier: (GPL-2.0+ OR MIT) |
| /* |
| * Copyright (c) 2019 Amlogic, Inc. All rights reserved. |
| */ |
| |
| #include <amlogic/storage.h> |
| #include <dm/pinctrl.h> |
| #include <partition_table.h> |
| #include <emmc_partitions.h> |
| #include <amlogic/cpu_id.h> |
| #include <asm/arch-g12a/bl31_apis.h> |
| #include <linux/compat.h> |
| #include <amlogic/aml_mmc.h> |
| #include <linux/compat.h> |
| |
| #define USER_PARTITION 0 |
| #define BOOT0_PARTITION 1 |
| #define BOOT1_PARTITION 2 |
| #define RPMB_PARTITION 3 |
| |
| #define NOMAL_INIT 0 |
| #define ERASE_ALL 3 |
| #define ERASE_RESERVED 2 |
| |
| #define GXB_START_BLK 0 |
| #define GXL_START_BLK 1 |
| #define STORAGE_EMMC 1 |
| /* max 2MB for emmc in blks */ |
| #define UBOOT_SIZE (0x1000) |
| #define BLOCK_SIZE 512 |
| |
| extern int find_dev_num_by_partition_name (char const *name); |
| extern struct partitions *get_partition_info_by_num(const int num); |
| extern bool emmckey_is_protected(struct mmc *mmc); |
| extern int info_disprotect; |
| extern int dtb_read(void *addr); |
| extern int dtb_write(void *addr); |
| extern int renew_partition_tbl(unsigned char *buffer); |
| |
| static int storage_range_check(struct mmc *mmc,char const *part_name,loff_t offset, size_t *size,loff_t *off) { |
| |
| struct partitions *part_info = NULL; |
| |
| cpu_id_t cpu_id = get_cpu_id(); |
| |
| if (strcmp(part_name, "bootloader") == 0) { |
| *off = 0; |
| if (cpu_id.family_id >= MESON_CPU_MAJOR_ID_GXL) { |
| *off += 512; |
| } |
| if (*size == 0) { |
| *size =mmc->capacity_boot; |
| if (cpu_id.family_id >= MESON_CPU_MAJOR_ID_GXL) { |
| *size = *size - 512; |
| } |
| } |
| } else { |
| part_info = find_mmc_partition_by_name(part_name); |
| if (!part_info) { |
| printf("error partition name!\n"); |
| return 1; |
| } |
| if ((part_info->mask_flags & PART_PROTECT_FLAG) && |
| !(info_disprotect & DISPROTECT_KEY)) { |
| printf("%s is protected, pls open it in Dts\n", |
| part_info->name); |
| return 1; |
| } |
| |
| *off = part_info->offset+offset; |
| if (offset >= part_info->size) { |
| printf("Start address out #%s# partition'address region,(off < 0x%llx)\n", |
| part_name, part_info->size); |
| return 1; |
| } |
| if ((*off+*size) > (part_info->size+part_info->offset)) { |
| printf("End address exceeds #%s# partition,(offset = 0x%llx,size = 0x%llx)\n", |
| part_name, part_info->offset,part_info->size); |
| return 1; |
| } |
| |
| if (*size == 0) { |
| *size = part_info->size - offset; |
| } |
| } |
| return 0; |
| } |
| |
| static int storage_rsv_range_check(char const *part_name, size_t *size,loff_t *off) { |
| |
| struct partitions *part = NULL; |
| struct virtual_partition *vpart = NULL; |
| |
| |
| vpart = aml_get_virtual_partition_by_name(part_name); |
| |
| if (!vpart) { |
| printf("error partition name!\n"); |
| return 1; |
| } |
| part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| if (!part) { |
| printf("error partition name!\n"); |
| return 1; |
| } |
| *off = part->offset + vpart->offset; |
| if ((*size) > vpart->size) { |
| printf("End address exceeds #%s# partition,(offset = 0x%llx,size = 0x%llx)\n", |
| part_name, vpart->offset,vpart->size); |
| return 1; |
| } |
| if (*size == 0) |
| *size = vpart->size; |
| return 0; |
| } |
| |
| static int storage_byte_read(struct mmc *mmc,loff_t off, size_t size,void *addr) { |
| |
| int blk_shift = 0; |
| u64 cnt = 0, n = 0, blk = 0, sz_byte = 0; |
| ulong start_blk; |
| void *addr_tmp; |
| void *addr_byte; |
| |
| blk_shift = ffs(mmc->read_bl_len) - 1; |
| if (blk_shift < 0) { |
| printf("bad shift.\n"); |
| return 1; |
| } |
| blk = off >> blk_shift ; |
| cnt = size >> blk_shift ; |
| sz_byte = size - ((cnt) << blk_shift) ; |
| mmc_init(mmc); |
| |
| pr_info("blk:%lld cnt:%lld \n",blk,cnt); |
| n = blk_dread(mmc_get_blk_desc(mmc), blk, cnt, addr); |
| if ((n == cnt) && (sz_byte != 0)) { |
| /*printf("sz_byte=%#llx bytes\n",sz_byte);*/ |
| addr_tmp = malloc(mmc->read_bl_len); |
| addr_byte = (void *)(addr+cnt*(mmc->read_bl_len)); |
| start_blk = blk+cnt; |
| |
| if (addr_tmp == NULL) { |
| printf("mmc read: malloc fail\n"); |
| return 1; |
| } |
| |
| if (blk_dread(mmc_get_blk_desc(mmc), start_blk, 1, addr_tmp) != 1) { // read 1 block |
| free(addr_tmp); |
| printf("mmc read 1 block fail\n"); |
| return 1; |
| } |
| |
| memcpy(addr_byte, addr_tmp, sz_byte); |
| free(addr_tmp); |
| } |
| return (n == cnt) ? 0 : 1; |
| } |
| |
| static int storage_byte_write(struct mmc *mmc,loff_t off, size_t size,void *addr) { |
| |
| int blk_shift = 0; |
| u64 cnt = 0, n = 0, blk = 0, sz_byte = 0; |
| |
| blk_shift = ffs(mmc->read_bl_len) - 1; |
| if (blk_shift < 0) { |
| printf("bad shift.\n"); |
| return 1; |
| } |
| blk = off >> blk_shift ; |
| cnt = size >> blk_shift ; |
| sz_byte = size - ((cnt) << blk_shift); |
| mmc_init(mmc); |
| pr_info("blk:%lld cnt:%lld \n",blk,cnt); |
| |
| n = blk_dwrite(mmc_get_blk_desc(mmc), blk, cnt, addr); |
| if ((n == cnt) && (sz_byte != 0)) { |
| // printf("sz_byte=%#llx bytes\n",sz_byte); |
| void *addr_tmp = malloc(mmc->write_bl_len); |
| void *addr_byte = (void*)(addr+cnt*(mmc->write_bl_len)); |
| ulong start_blk = blk+cnt; |
| |
| if (addr_tmp == NULL) { |
| printf("mmc write: malloc fail\n"); |
| return 1; |
| } |
| |
| if (blk_dread(mmc_get_blk_desc(mmc), start_blk, 1, addr_tmp) != 1) { // read 1 block |
| free(addr_tmp); |
| printf("mmc read 1 block fail\n"); |
| return 1; |
| } |
| |
| memcpy(addr_tmp, addr_byte, sz_byte); |
| if (blk_dwrite(mmc_get_blk_desc(mmc), start_blk, 1, addr_tmp) != 1) { // write 1 block |
| free(addr_tmp); |
| printf("mmc write 1 block fail\n"); |
| return 1; |
| } |
| free(addr_tmp); |
| } |
| //printf("%#llx blocks , %#llx bytes written: %s\n", n, sz_byte, (n==cnt) ? "OK" : "ERROR"); |
| return (n == cnt) ? 0 : 1; |
| } |
| |
| static int storage_byte_erase(struct mmc *mmc,loff_t off, size_t size) { |
| |
| int blk_shift = 0; |
| u64 cnt = 0, n = 0, blk = 0; |
| |
| blk_shift = ffs(mmc->read_bl_len) - 1; |
| if (blk_shift < 0) { |
| printf("bad shift.\n"); |
| return 1; |
| } |
| blk = off >> blk_shift ; |
| cnt = size >> blk_shift ; |
| mmc_init(mmc); |
| pr_info("blk:%lld cnt:%lld \n",blk,cnt); |
| if (cnt) |
| n = blk_derase(mmc_get_blk_desc(mmc), blk, cnt); |
| printf("%lld blocks erased: %s\n", cnt, (n == 0) ? "OK" : "ERROR"); |
| return (n == 0) ? 0 : 1; |
| } |
| |
| static int storage_erase_in_part(char const *part_name, loff_t off, size_t size) |
| { |
| int ret = 1; |
| struct mmc *mmc; |
| loff_t offset; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) |
| return 1; |
| |
| ret = storage_range_check(mmc,part_name, off, &size, &offset); |
| if (ret) |
| return ret; |
| |
| ret = storage_byte_erase(mmc, offset, size); |
| return (ret == 0) ? 0 : 1; |
| } |
| |
| static int storage_read_in_part(char const *part_name, loff_t off, size_t size, void *dest) |
| { |
| int ret =1; |
| struct mmc *mmc; |
| loff_t offset; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) |
| return 1; |
| |
| ret = storage_range_check(mmc,part_name,off,&size,&offset); |
| |
| if (ret) return ret; |
| |
| ret = storage_byte_read(mmc, offset, size, dest); |
| |
| return ret; |
| } |
| |
| static int storage_write_in_part(char const *part_name, loff_t off, size_t size, void *source) |
| { |
| int ret = 1; |
| loff_t offset; |
| struct mmc *mmc; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) { |
| printf("Cannot find mmc. \n"); |
| return 1; |
| } |
| ret = storage_range_check(mmc,part_name, off, &size, &offset); |
| if (ret) return ret; |
| |
| ret = storage_byte_write(mmc, offset, size, source); |
| return ret; |
| } |
| |
| static int storage_mmc_erase_user(struct mmc *mmc) { |
| int ret = 0, i; |
| struct partitions *part_info = NULL; |
| |
| if (info_disprotect & DISPROTECT_KEY) {//key disprotect,erase all |
| ret = blk_derase(mmc_get_blk_desc(mmc), 0, 0); |
| } else {//key protect partition with the protect_flag |
| for (i = 0;;i++) { |
| part_info = get_partition_info_by_num(i); |
| if (part_info == NULL) |
| break; |
| if (!strcmp("reserved", part_info->name)) { |
| printf("Part:reserved is skiped\n"); |
| continue; |
| } |
| if (part_info->size == 0) { |
| printf("Part:%s size is 0\n", part_info->name); |
| continue; |
| } |
| if (part_info->mask_flags & PART_PROTECT_FLAG) { |
| printf("Part:%s is protected\n", part_info->name); |
| continue; |
| } |
| ret = blk_derase(mmc_get_blk_desc(mmc), |
| part_info->offset / BLOCK_SIZE, |
| part_info->size / BLOCK_SIZE); |
| printf("Erased: %s %s\n", |
| part_info->name, |
| (ret == 0)? "OK" : "ERR"); |
| } |
| } |
| printf("User partition erased: %s\n", (ret == 0) ? "OK" : "ERROR"); |
| return ret; |
| } |
| |
| static int storage_mmc_erase(int flag, struct mmc *mmc) { |
| |
| int ret = 0; |
| loff_t off = 0; |
| size_t size = 0; |
| |
| if (flag >= ERASE_ALL) {//erase all except reserved |
| ret = storage_mmc_erase_user(mmc); |
| if (ret != 0) { |
| return -1; |
| } |
| |
| ret = blk_select_hwpart_devnum(IF_TYPE_MMC, STORAGE_EMMC, BOOT0_PARTITION); |
| if (ret) goto R_SWITCH_BACK; |
| ret = blk_derase(mmc_get_blk_desc(mmc), 0, 0); |
| printf("boot0 partition erased: %s\n", (ret == 0) ? "OK" : "ERROR"); |
| |
| ret = blk_select_hwpart_devnum(IF_TYPE_MMC, STORAGE_EMMC, BOOT1_PARTITION); |
| |
| if (ret) goto R_SWITCH_BACK; |
| ret = blk_derase(mmc_get_blk_desc(mmc), 0, 0); |
| printf("boot1 partition erased: %s\n", (ret == 0) ? "OK" : "ERROR"); |
| R_SWITCH_BACK: |
| ret = blk_select_hwpart_devnum(IF_TYPE_MMC, STORAGE_EMMC, USER_PARTITION); |
| |
| } else if (flag == ERASE_RESERVED) {//erase reserved |
| |
| info_disprotect |= DISPROTECT_KEY; |
| ret = storage_rsv_range_check("reserved", &size, &off); |
| if (ret != 0) { |
| return -1; |
| } |
| ret = storage_erase_in_part("reserved", off, size); |
| info_disprotect &= ~DISPROTECT_KEY; |
| } |
| |
| return ret; |
| } |
| |
| int mmc_storage_init(unsigned char init_flag) { |
| |
| int ret =1; |
| struct mmc *mmc; |
| mmc = find_mmc_device(STORAGE_EMMC); |
| mmc->has_init=0; |
| pinctrl_select_state(mmc->dev, "default"); |
| if (!mmc) { |
| return -1; |
| } |
| ret = mmc_init(mmc); |
| if (ret != 0) { |
| return -1; |
| } |
| ret = storage_mmc_erase(init_flag, mmc); |
| return ret; |
| } |
| |
| uint64_t mmc_storage_get_part_size(const char *part_name) { |
| |
| struct partitions *part_info = NULL; |
| |
| part_info = find_mmc_partition_by_name(part_name); |
| |
| if (part_info == NULL) { |
| printf("get partition info failed !!\n"); |
| return -1; |
| } |
| return part_info->size; |
| } |
| |
| int mmc_storage_read(const char *part_name, loff_t off, size_t size, void *dest) { |
| |
| int ret=1; |
| struct mmc *mmc; |
| mmc = find_mmc_device(STORAGE_EMMC); |
| |
| if (!mmc) |
| return 1; |
| |
| if (!part_name) {//the operating object is the device,the unit of operation is block. |
| info_disprotect |= DISPROTECT_KEY; |
| ret = blk_dread(mmc_get_blk_desc(mmc), off, size, dest); |
| info_disprotect &= ~DISPROTECT_KEY; |
| printf("%d blocks read: %s\n", ret, (ret == size) ? "OK" : "ERROR"); |
| return (ret == size) ? 0 : 1; |
| |
| } else {//the opering object is partition,the unit of operation is byte. |
| ret = storage_read_in_part(part_name, off,size, dest); |
| } |
| |
| return ret; |
| |
| } |
| |
| int mmc_storage_write(const char *part_name, loff_t off, size_t size, void *source) { |
| |
| int ret=1; |
| |
| struct mmc *mmc; |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) |
| return 1; |
| |
| if (!part_name) {//the operating object is the device,the unit of operation is block. |
| info_disprotect |= DISPROTECT_KEY; |
| ret = blk_dwrite(mmc_get_blk_desc(mmc), off, size, source); |
| info_disprotect &= ~DISPROTECT_KEY; |
| printf("%d blocks written: %s\n", ret, (ret == size) ? "OK" : "ERROR"); |
| return (ret == size) ? 0 : 1; |
| } else {//the opering object is partition,the unit of operation is byte. |
| ret = storage_write_in_part(part_name, off, size, source); |
| } |
| return ret; |
| } |
| |
| int mmc_storage_erase(const char *part_name, loff_t off, size_t size, int scrub_flag) { |
| |
| int ret=1; |
| struct mmc *mmc; |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) |
| return 1; |
| |
| if (!part_name) {//the operating object is the device,the unit of operation is block. |
| ret = storage_mmc_erase(ERASE_ALL, mmc); |
| return (ret == 0) ? 0 : 1; |
| } else {//the opering object is partition,the unit of operation is byte. |
| ret = storage_erase_in_part(part_name, off, size); |
| } |
| return ret; |
| } |
| |
| uint8_t mmc_storage_get_copies(const char *part_name) { |
| struct mmc *mmc; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) |
| return 1; |
| |
| if (aml_gpt_valid(mmc) == 0) |
| return 2; |
| |
| return 3; |
| } |
| |
| uint64_t mmc_get_copy_size(const char *part_name) { |
| struct partitions *part_info = NULL; |
| |
| part_info = aml_get_partition_by_name("bootloader"); |
| if (part_info == NULL) { |
| printf("get partition info failed !!\n"); |
| return -1; |
| } |
| return part_info->size; |
| } |
| |
| /* dtb read&write operation with backup updates */ |
| static u32 _calc_boot_info_checksum(struct storage_emmc_boot_info *boot_info) |
| { |
| u32 *buffer = (u32*)boot_info; |
| u32 checksum = 0; |
| int i = 0; |
| |
| do { |
| checksum += buffer[i]; |
| } while (i++ < ((EMMC_BOOT_INFO_SIZE >> 2) - 2)); |
| |
| return checksum; |
| } |
| |
| static int fill_mask8_part(struct part_property *mask8) |
| { |
| struct partitions *part; |
| int i = 0, mask8_cnt = 0; |
| |
| part = get_partition_info_by_num(i); |
| while (part) { |
| if ((part->mask_flags == 8) |
| && (mask8_cnt++ < BOOTINFO_MAX_PARTITIONS)) { |
| strncpy(mask8->name, part->name, strlen(part->name)); |
| mask8->addr = part->offset / MMC_BLOCK_SIZE; |
| mask8->size = part->size / MMC_BLOCK_SIZE; |
| mask8++; |
| } |
| if (mask8_cnt == BOOTINFO_MAX_PARTITIONS) |
| break; |
| i++; |
| part = get_partition_info_by_num(i); |
| } |
| |
| return mask8_cnt; |
| } |
| |
| static int amlmmc_write_info_sector(struct mmc *mmc) |
| { |
| struct storage_emmc_boot_info *boot_info; |
| struct virtual_partition *ddr_part; |
| struct partitions *part; |
| /* partitons with mask = 8 need to fill to bootinfo */ |
| struct part_property *mask8; |
| int mask8_partition_count; |
| u8 *buffer; |
| int ret = 0, i; |
| |
| buffer = malloc(MMC_BLOCK_SIZE); |
| if (!buffer) |
| return -ENOMEM; |
| |
| memset(buffer, 0, sizeof(*boot_info)); |
| boot_info = (struct storage_emmc_boot_info *)buffer; |
| part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| boot_info->rsv_base_addr = part->offset / MMC_BLOCK_SIZE; |
| ddr_part = aml_get_virtual_partition_by_name(MMC_DDR_PARAMETER_NAME); |
| boot_info->ddr.addr = ddr_part->offset / MMC_BLOCK_SIZE; |
| boot_info->ddr.size = ddr_part->size / MMC_BLOCK_SIZE; |
| |
| mask8 = boot_info->parts; |
| mask8_partition_count = fill_mask8_part(mask8); |
| |
| boot_info->version = 1; |
| boot_info->checksum = _calc_boot_info_checksum(boot_info); |
| |
| printf("boot_info.rsv_base_addr:\t%04x\n", boot_info->rsv_base_addr); |
| printf("boot_info.ddr.addr:%04x\n", boot_info->ddr.addr); |
| printf("boot_info.ddr.size:%04x\n", boot_info->ddr.size); |
| printf("boot info: parts %d\n", mask8_partition_count); |
| for (i = 0; i < mask8_partition_count; i++) { |
| printf("boot_info.part[%d]\n", i); |
| printf("\t.name:%s\n", boot_info->parts[i].name); |
| printf("\t.addr:%04x\n", boot_info->parts[i].addr); |
| printf("\t.size:%04x\n", boot_info->parts[i].size); |
| } |
| printf("boot_info.version:%04x\n", boot_info->version); |
| printf("boot_info.checksum:%04x\n", boot_info->checksum); |
| |
| if (blk_dwrite(mmc_get_blk_desc(mmc), 0, 1, buffer) != 1) |
| ret = -EIO; |
| |
| free(buffer); |
| return ret; |
| } |
| |
| int mmc_boot_read(const char *part_name, uint8_t cpy, size_t size, void *dest) { |
| |
| char ret=1; |
| int i; |
| struct mmc *mmc; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| |
| if (cpy == 0) |
| cpy = 1; |
| else if (cpy == 1) |
| cpy = 2; |
| else if (cpy == 2) |
| cpy = 4; |
| else if (cpy == 0xff) |
| cpy = 7; |
| for (i=0;i<3;i++) {//cpy: |
| if (cpy & 1) { |
| ret = blk_select_hwpart_devnum(IF_TYPE_MMC, STORAGE_EMMC, i); |
| if (ret) goto R_SWITCH_BACK; |
| |
| if (mmc != NULL && i == 0 && aml_gpt_valid(mmc) == 0) |
| continue; |
| |
| ret = storage_read_in_part(part_name, 0, size, dest); |
| |
| if (ret != 0) { |
| printf("storage read bootloader failed \n"); |
| goto R_SWITCH_BACK; |
| } |
| } |
| cpy = cpy >> 1; |
| } |
| |
| |
| R_SWITCH_BACK: |
| ret = blk_select_hwpart_devnum(IF_TYPE_MMC, STORAGE_EMMC, USER_PARTITION); |
| if (ret != 0) { |
| printf("switch part failed \n"); |
| return -1; |
| } |
| |
| return ret; |
| |
| } |
| |
| int mmc_boot_write(const char *part_name, uint8_t cpy, size_t size, void *source) { |
| |
| char ret=1; |
| int i = 0; |
| struct mmc *mmc; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| |
| if (cpy == 0) |
| cpy = 1; |
| else if (cpy == 1) |
| cpy = 2; |
| else if (cpy == 2) |
| cpy = 4; |
| else if (cpy == 0xff) |
| cpy = 7; |
| |
| for (i=0;i<3;i++) {//cpy:bin 100 is oprate boot1,bin 010 is oprate boot0,bin 001 is oprate user bootloader.bin 111 is operate all boot. |
| |
| if (cpy & 1) { |
| ret = blk_select_hwpart_devnum(IF_TYPE_MMC, STORAGE_EMMC, i); |
| if (ret) goto W_SWITCH_BACK; |
| #ifdef CONFIG_EMMC_BOOT1_TOUCH_REGION |
| if (i == 2) { |
| size = CONFIG_EMMC_BOOT1_TOUCH_REGION; |
| } |
| #endif |
| |
| if (mmc != NULL && i == 0 && aml_gpt_valid(mmc) == 0) |
| continue; |
| |
| ret = storage_write_in_part(part_name, 0, size, source); |
| |
| if (ret != 0) { |
| printf("storage write bootloader failed \n"); |
| goto W_SWITCH_BACK; |
| } |
| if (i != 0) |
| amlmmc_write_info_sector(mmc); |
| } |
| cpy = cpy >> 1; |
| } |
| |
| |
| W_SWITCH_BACK: |
| ret = blk_select_hwpart_devnum(IF_TYPE_MMC, STORAGE_EMMC, USER_PARTITION); |
| if (ret != 0) { |
| printf("switch part failed \n"); |
| return -1; |
| } |
| |
| return ret; |
| |
| } |
| |
| int mmc_boot_erase(const char *part_name, uint8_t cpy) { |
| |
| char ret=1; |
| int i; |
| size_t size = 0; |
| struct mmc *mmc; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| |
| if (cpy == 0) |
| cpy = 1; |
| else if (cpy == 1) |
| cpy = 2; |
| else if (cpy == 2) |
| cpy = 4; |
| else if (cpy == 0xff) |
| cpy = 7; |
| for (i=0;i<3;i++) {//cpy: |
| |
| if (cpy & 1) { |
| ret = blk_select_hwpart_devnum(IF_TYPE_MMC, STORAGE_EMMC, i); |
| if (ret) goto E_SWITCH_BACK; |
| #ifdef CONFIG_EMMC_BOOT1_TOUCH_REGION |
| if (i == 2) { |
| size = CONFIG_EMMC_BOOT1_TOUCH_REGION; |
| } |
| #endif |
| |
| if (mmc != NULL && i == 0 && aml_gpt_valid(mmc) == 0) |
| continue; |
| |
| ret = storage_erase_in_part(part_name, 0, size); |
| |
| if (ret != 0) { |
| printf("storage read bootloader failed \n"); |
| goto E_SWITCH_BACK; |
| } |
| } |
| cpy = cpy >> 1; |
| } |
| |
| |
| E_SWITCH_BACK: |
| ret = blk_select_hwpart_devnum(IF_TYPE_MMC, STORAGE_EMMC, USER_PARTITION); |
| if (ret != 0) { |
| printf("switch part faild \n"); |
| return -1; |
| } |
| |
| |
| return ret; |
| } |
| |
| int mmc_gpt_read(void *source) |
| { |
| struct mmc *mmc; |
| struct blk_desc *dev_desc; |
| unsigned long offset = 0; |
| size_t size = 34; |
| int ret; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) |
| return -1; |
| |
| dev_desc = mmc_get_blk_desc(mmc); |
| ret = blk_dread(dev_desc, offset, size, (u_char *)source); |
| if (ret != size) |
| return -1; |
| |
| if (is_valid_gpt_buf(dev_desc, (u_char *)source)) { |
| printf("%s: invalid GPT\n", __func__); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| int mmc_gpt_write(void *source) |
| { |
| struct blk_desc *dev_desc; |
| struct mmc *mmc; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) |
| return 1; |
| |
| dev_desc = mmc_get_blk_desc(mmc); |
| if (is_valid_gpt_buf(dev_desc, (u_char *)source)) { |
| printf("%s: invalid GPT - refusing to write to flash\n", __func__); |
| return -1; |
| } |
| |
| if (write_mbr_and_gpt_partitions(dev_desc, (u_char *)source)) { |
| printf("%s: writing GPT partitions failed\n", __func__); |
| return -1; |
| } |
| |
| if (get_ept_from_gpt(mmc) != 0) |
| printf("get ept from gpt failed\n"); |
| |
| printf("update gpt and ept success\n"); |
| return 0; |
| } |
| |
| /* |
| * check is gpt is valid |
| * if valid return 0 |
| * else return 1 |
| */ |
| int mmc_gpt_erase(void) |
| { |
| struct blk_desc *dev_desc; |
| struct mmc *mmc; |
| int ret; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) |
| return 1; |
| |
| dev_desc = mmc_get_blk_desc(mmc); |
| if (!dev_desc) { |
| printf("%s: Invalid Argument(s)\n", __func__); |
| return 1; |
| } |
| |
| ret = erase_gpt_part_table(dev_desc); |
| if (ret) { |
| printf("%s, failed erase gpt", __func__); |
| return 1; |
| } |
| return 0; |
| } |
| |
| uint32_t mmc_get_rsv_size(const char *rsv_name) { |
| |
| struct virtual_partition *vpart = NULL; |
| vpart = aml_get_virtual_partition_by_name(rsv_name); |
| printf("the %s partition size is:%llx byte\n",rsv_name,vpart->size); |
| return vpart->size; |
| |
| } |
| |
| static inline int env_read(size_t size, void *buf) { |
| return storage_read_in_part("env", 0, size, buf); |
| } |
| |
| static inline int env_write(size_t size, void *buf) { |
| return storage_write_in_part("env", 0, size, buf); |
| } |
| |
| int mmc_read_rsv(const char *rsv_name, size_t size, void *buf) { |
| |
| char ret=1; |
| struct mmc *mmc; |
| loff_t off =0; |
| /*unsigned long dtImgAddr = simple_strtoul(buf, NULL, 16);*/ |
| ret = !strcmp("env", rsv_name) || !strcmp("key", rsv_name) |
| || !strcmp("dtb", rsv_name)||!strcmp("fastboot", rsv_name) |
| ||!strcmp("ddr-parameter", rsv_name); |
| if (!ret) return 1; |
| |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) { |
| puts("no mmc devices available\n"); |
| return 1; |
| } |
| |
| if (!strcmp("env", rsv_name)) { |
| ret = env_read(size, buf); |
| return ret; |
| } |
| |
| ret = storage_rsv_range_check(rsv_name, &size, &off); |
| if (ret) return ret; |
| if (!strcmp("dtb", rsv_name)) { |
| ret = dtb_read(buf); |
| return ret; |
| } |
| |
| if (!strcmp("key", rsv_name)) { |
| info_disprotect |= DISPROTECT_KEY; |
| ret = mmc_key_read(buf, size, 0); |
| info_disprotect &= ~DISPROTECT_KEY; |
| } else |
| ret = storage_byte_read(mmc, off, size, buf); |
| |
| if (ret != 0) |
| printf("read resv failed\n"); |
| |
| return ret; |
| } |
| |
| int mmc_write_rsv(const char *rsv_name, size_t size, void *buf) { |
| |
| char ret=1; |
| |
| struct mmc *mmc; |
| loff_t off = 0; |
| |
| ret = !strcmp("env", rsv_name) || !strcmp("key", rsv_name) |
| || !strcmp("dtb", rsv_name)||!strcmp("fastboot", rsv_name) |
| ||!strcmp("ddr-parameter", rsv_name); |
| if (!ret) |
| return 1; |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) { |
| puts("no mmc devices available\n"); |
| return 1; |
| } |
| |
| if (!strcmp("env", rsv_name)) { |
| ret = env_write(size, buf); |
| return ret; |
| } |
| |
| ret = storage_rsv_range_check(rsv_name, &size, &off); |
| if (ret) return ret; |
| |
| if (!strcmp("dtb", rsv_name)) { |
| ret = dtb_write(buf); |
| if (!gpt_partition) { |
| /* renew partition table @ once*/ |
| printf("renew partition table\n"); |
| ret |= renew_partition_tbl(buf); |
| } |
| } else if (!strcmp("key", rsv_name)) { |
| info_disprotect |= DISPROTECT_KEY; |
| ret = mmc_key_write(buf, size, 0); |
| info_disprotect &= ~DISPROTECT_KEY; |
| } else |
| ret = storage_byte_write(mmc, off, size, buf); |
| |
| if (ret != 0) |
| printf("write rsv failed\n"); |
| |
| return ret; |
| } |
| |
| int mmc_erase_rsv(const char *rsv_name) { |
| |
| char ret=1; |
| struct mmc *mmc; |
| loff_t off = 0; |
| size_t size = 0; |
| ret = !strcmp("key", rsv_name) || !strcmp("dtb", rsv_name) |
| ||!strcmp("fastboot", rsv_name) |
| ||!strcmp("ddr-parameter", rsv_name); |
| if (!ret) return 1; |
| mmc = find_mmc_device(STORAGE_EMMC); |
| if (!mmc) { |
| puts("no mmc devices available\n"); |
| return 1; |
| } |
| ret = storage_rsv_range_check(rsv_name, &size, &off); |
| if (ret) |
| return ret; |
| |
| if (!strcmp("key", rsv_name)) { |
| info_disprotect |= DISPROTECT_KEY; |
| ret = mmc_key_erase(); |
| info_disprotect &= ~DISPROTECT_KEY; |
| } else |
| ret = storage_byte_erase(mmc, off, size); |
| |
| if (ret != 0) { |
| printf("erase resv failed\n"); |
| } |
| return ret; |
| } |
| |
| int mmc_protect_rsv(const char *rsv_name, bool ops) { |
| |
| char ret=1; |
| ret = strcmp("key", rsv_name); |
| if (ret) return 1; |
| |
| if (ops) { |
| |
| info_disprotect &= ~DISPROTECT_KEY; |
| printf("Protect the key partition!\n"); |
| } else { |
| info_disprotect |= DISPROTECT_KEY; |
| printf("Disprotect the key partition!\n"); |
| } |
| return ret; |
| |
| } |
| |
| void config_storage_dev_func(struct storage_t *dev, struct mmc* mmc) |
| { |
| /******basic info*******/ |
| dev->type = BOOT_EMMC; |
| printf("store flag: %d, types: %d\n", dev->init_flag, dev->type); |
| /*dev->info.name = mmc->cid[0] & 0xff, |
| (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff, |
| (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff; |
| dev->info.id = mmc->cid[0] >> 24;*/ |
| dev->info.read_unit = mmc->read_bl_len; |
| dev->info.write_unit = mmc->write_bl_len; |
| dev->info.erase_unit = mmc->erase_grp_size; |
| dev->info.caps = mmc->capacity_user; |
| dev->info.mode = COMPACT_BOOTLOADER; |
| |
| dev->get_part_size = mmc_storage_get_part_size; |
| dev->read = mmc_storage_read; |
| dev->write = mmc_storage_write; |
| dev->erase = mmc_storage_erase; |
| |
| dev->get_copies = mmc_storage_get_copies; |
| dev->get_copy_size = mmc_get_copy_size; |
| dev->boot_read = mmc_boot_read; |
| dev->boot_write = mmc_boot_write; |
| dev->boot_erase = mmc_boot_erase; |
| |
| dev->get_rsv_size = mmc_get_rsv_size; |
| dev->read_rsv = mmc_read_rsv; |
| dev->write_rsv = mmc_write_rsv; |
| dev->erase_rsv = mmc_erase_rsv; |
| dev->protect_rsv = mmc_protect_rsv; |
| |
| dev->gpt_read = mmc_gpt_read; |
| dev->gpt_write = mmc_gpt_write; |
| dev->gpt_erase = mmc_gpt_erase; |
| |
| return; |
| } |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| int sdcard_pre(void) |
| { |
| return 0; |
| } |
| |
| |
| int sdcard_probe(uint32_t init_flag) |
| { |
| return 0; |
| } |
| |
| int emmc_pre(void) |
| { |
| char ret = 1; |
| struct mmc *mmc; |
| static struct storage_t *storage_dev = NULL; |
| |
| mmc_initialize(gd->bd); |
| mmc = find_mmc_device(STORAGE_EMMC); |
| mmc->has_init = 0; |
| ret = mmc_start_init(mmc); |
| if (ret == 0) { |
| /*struct store_operation *storage_opera = NULL;*/ |
| storage_dev = kzalloc(sizeof(struct storage_t), GFP_KERNEL); |
| if (storage_dev == NULL) { |
| printf("malloc failed for storage_dev\n"); |
| ret = -1; |
| return ret; |
| } |
| config_storage_dev_func(storage_dev, mmc); |
| store_register(storage_dev); |
| printf("emmc init success!\n"); |
| } else |
| printf("emmc init fail!\n"); |
| return ret; |
| } |
| |
| int emmc_probe(uint32_t init_flag) |
| { |
| char ret = 0; |
| |
| ret = mmc_storage_init(init_flag); /*flag 0*/ |
| if (ret) { |
| printf("mmc init failed ret:%x\n", ret); |
| goto exit_error; |
| } |
| printf("emmc probe success\n"); |
| |
| exit_error: |
| return ret; |
| } |
| |