| /* |
| * Copyright 2008, Freescale Semiconductor, Inc |
| * Andy Fleming |
| * |
| * Based vaguely on the Linux code |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <config.h> |
| #include <common.h> |
| #include <command.h> |
| #include <errno.h> |
| #include <mmc.h> |
| #include <part.h> |
| #include <malloc.h> |
| #include <linux/list.h> |
| #include <div64.h> |
| #include "mmc_private.h" |
| |
| #include <emmc_partitions.h> |
| #ifdef CONFIG_STORE_COMPATIBLE |
| #include <partition_table.h> |
| #endif |
| #include <amlogic/secure_storage.h> |
| |
| #define CONFIG_DISABLE_USER_WP |
| #define CONFIG_DISABLE_PERM_USER_WP 1 |
| #define USER_WP_VALUE ((1<<4)|(1<<6)) |
| //#define CONFIG_MMC_TRACE 1 |
| static struct list_head mmc_devices; |
| static int cur_dev_num = -1; |
| |
| static int amlmmc_init = 0; |
| |
| int amlmmc_is_inited(void) { |
| return amlmmc_init; |
| } |
| |
| bool emmckey_is_access_range_legal (struct mmc *mmc, ulong start, lbaint_t blkcnt) { |
| #ifdef CONFIG_STORE_COMPATIBLE |
| ulong key_start_blk, key_end_blk; |
| u64 key_glb_offset; |
| struct partitions * part = NULL; |
| struct virtual_partition *vpart = NULL; |
| #endif |
| if (aml_is_emmc_tsd(mmc)) { |
| #ifdef CONFIG_STORE_COMPATIBLE |
| vpart = aml_get_virtual_partition_by_name(MMC_KEY_NAME); |
| part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| key_glb_offset = part->offset + vpart->offset; |
| key_start_blk = (key_glb_offset / MMC_BLOCK_SIZE); |
| key_end_blk = ((key_glb_offset + vpart->size) / MMC_BLOCK_SIZE - 1); |
| if (!(info_disprotect & DISPROTECT_KEY)) { |
| if ((key_start_blk <= (start + blkcnt -1)) |
| && (key_end_blk >= start) |
| && (blkcnt != start)) { |
| printf("%s, keys %ld, keye %ld, start %ld, blkcnt %ld\n", __func__, |
| key_start_blk, key_end_blk, start, blkcnt); |
| printf("Emmckey: Access range is illegal!\n"); |
| return 0; |
| } |
| } |
| #endif |
| } |
| |
| return 1; |
| } |
| |
| __weak int board_mmc_getwp(struct mmc *mmc) |
| { |
| return -1; |
| } |
| |
| int mmc_getwp(struct mmc *mmc) |
| { |
| int wp; |
| |
| wp = board_mmc_getwp(mmc); |
| |
| if (wp < 0) { |
| if (mmc->cfg->ops->getwp) |
| wp = mmc->cfg->ops->getwp(mmc); |
| else |
| wp = 0; |
| } |
| |
| return wp; |
| } |
| |
| __weak int board_mmc_getcd(struct mmc *mmc) |
| { |
| return -1; |
| } |
| |
| int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) |
| { |
| int ret; |
| |
| #ifdef CONFIG_MMC_TRACE |
| int i; |
| u8 *ptr; |
| |
| printf("CMD_SEND:%d\n", cmd->cmdidx); |
| printf("\t\tARG\t\t\t 0x%08X\n", cmd->cmdarg); |
| ret = mmc->cfg->ops->send_cmd(mmc, cmd, data); |
| switch (cmd->resp_type) { |
| case MMC_RSP_NONE: |
| printf("\t\tMMC_RSP_NONE\n"); |
| break; |
| case MMC_RSP_R1: |
| printf("\t\tMMC_RSP_R1,5,6,7 \t 0x%08X \n", |
| cmd->response[0]); |
| break; |
| case MMC_RSP_R1b: |
| printf("\t\tMMC_RSP_R1b\t\t 0x%08X \n", |
| cmd->response[0]); |
| break; |
| case MMC_RSP_R2: |
| printf("\t\tMMC_RSP_R2\t\t 0x%08X \n", |
| cmd->response[0]); |
| printf("\t\t \t\t 0x%08X \n", |
| cmd->response[1]); |
| printf("\t\t \t\t 0x%08X \n", |
| cmd->response[2]); |
| printf("\t\t \t\t 0x%08X \n", |
| cmd->response[3]); |
| printf("\n"); |
| printf("\t\t\t\t\tDUMPING DATA\n"); |
| for (i = 0; i < 4; i++) { |
| int j; |
| printf("\t\t\t\t\t%03d - ", i*4); |
| ptr = (u8 *)&cmd->response[i]; |
| ptr += 3; |
| for (j = 0; j < 4; j++) |
| |
| printf("%02X ", *ptr--); |
| printf("\n"); |
| } |
| break; |
| case MMC_RSP_R3: |
| printf("\t\tMMC_RSP_R3,4\t\t 0x%08X \n", |
| cmd->response[0]); |
| break; |
| default: |
| printf("\t\tERROR MMC rsp not supported\n"); |
| break; |
| } |
| #else |
| ret = mmc->cfg->ops->send_cmd(mmc, cmd, data); |
| #endif |
| return ret; |
| } |
| |
| int mmc_send_status(struct mmc *mmc, int timeout) |
| { |
| struct mmc_cmd cmd; |
| int err, retries = 5; |
| #ifdef CONFIG_MMC_TRACE |
| int status; |
| #endif |
| |
| cmd.cmdidx = MMC_CMD_SEND_STATUS; |
| cmd.resp_type = MMC_RSP_R1; |
| if (!mmc_host_is_spi(mmc)) |
| cmd.cmdarg = mmc->rca << 16; |
| |
| do { |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| if (!err) { |
| if ((cmd.response[0] & MMC_STATUS_RDY_FOR_DATA) && |
| (cmd.response[0] & MMC_STATUS_CURR_STATE) != |
| MMC_STATE_PRG) |
| break; |
| else if (cmd.response[0] & MMC_STATUS_MASK) { |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
| printf("Status Error: 0x%08X\n", |
| cmd.response[0]); |
| #endif |
| return COMM_ERR; |
| } |
| } else if (--retries < 0) |
| return err; |
| |
| udelay(1000); |
| |
| } while (timeout--); |
| |
| #ifdef CONFIG_MMC_TRACE |
| status = (cmd.response[0] & MMC_STATUS_CURR_STATE) >> 9; |
| printf("CURR STATE:%d\n", status); |
| #endif |
| if (timeout <= 0) { |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
| printf("Timeout waiting card ready\n"); |
| #endif |
| return TIMEOUT; |
| } |
| if (cmd.response[0] & MMC_STATUS_SWITCH_ERROR) |
| return SWITCH_ERR; |
| |
| return 0; |
| } |
| |
| int mmc_set_blocklen(struct mmc *mmc, int len) |
| { |
| struct mmc_cmd cmd; |
| |
| if (mmc->ddr_mode) |
| return 0; |
| |
| cmd.cmdidx = MMC_CMD_SET_BLOCKLEN; |
| cmd.resp_type = MMC_RSP_R1; |
| cmd.cmdarg = len; |
| |
| return mmc_send_cmd(mmc, &cmd, NULL); |
| } |
| |
| struct mmc *find_mmc_device(int dev_num) |
| { |
| struct mmc *m; |
| struct list_head *entry; |
| |
| list_for_each(entry, &mmc_devices) { |
| m = list_entry(entry, struct mmc, link); |
| |
| if (m->block_dev.dev == dev_num) |
| return m; |
| } |
| |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
| printf("MMC Device %d not found\n", dev_num); |
| #endif |
| |
| return NULL; |
| } |
| |
| static int mmc_read_blocks(struct mmc *mmc, void *dst, lbaint_t start, |
| lbaint_t blkcnt) |
| { |
| struct mmc_cmd cmd; |
| struct mmc_data data; |
| int ret = 0, err = 0, err_flag = 0, retries = 0; |
| __RETRY: |
| if (blkcnt > 1) |
| cmd.cmdidx = MMC_CMD_READ_MULTIPLE_BLOCK; |
| else |
| cmd.cmdidx = MMC_CMD_READ_SINGLE_BLOCK; |
| |
| if (mmc->high_capacity) |
| cmd.cmdarg = start; |
| else |
| cmd.cmdarg = start * mmc->read_bl_len; |
| |
| cmd.resp_type = MMC_RSP_R1; |
| |
| data.dest = dst; |
| data.blocks = blkcnt; |
| data.blocksize = mmc->read_bl_len; |
| data.flags = MMC_DATA_READ; |
| |
| ret = mmc_send_cmd(mmc, &cmd, &data); |
| |
| if (blkcnt > 1) { |
| cmd.cmdidx = MMC_CMD_STOP_TRANSMISSION; |
| cmd.cmdarg = 0; |
| cmd.resp_type = MMC_RSP_R1b; |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| if (err) { |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
| printf("mmc fail to send stop cmd\n"); |
| #endif |
| } |
| } |
| if (ret || err) { |
| if (err_flag == 0) { |
| err_flag = 1; |
| retries = 5; |
| } |
| if (retries) { |
| printf("retry read, count: %d\n", retries); |
| retries--; |
| goto __RETRY; |
| } |
| printf("retry read error !!!\n"); |
| return 0; |
| } |
| return blkcnt; |
| } |
| |
| static ulong mmc_bread(int dev_num, lbaint_t start, lbaint_t blkcnt, void *dst) |
| { |
| lbaint_t cur, blocks_todo = blkcnt; |
| |
| if (blkcnt == 0) |
| return 0; |
| |
| struct mmc *mmc = find_mmc_device(dev_num); |
| if (!mmc) |
| return 0; |
| |
| if ((start + blkcnt) > mmc->block_dev.lba) { |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
| printf("MMC: block number 0x" LBAF " exceeds max(0x" LBAF ")\n", |
| start + blkcnt, mmc->block_dev.lba); |
| #endif |
| return 0; |
| } |
| if (!emmckey_is_access_range_legal(mmc, start, blkcnt)) |
| return 0; |
| |
| if (mmc_set_blocklen(mmc, mmc->read_bl_len)) |
| return 0; |
| |
| do { |
| cur = (blocks_todo > mmc->cfg->b_max) ? |
| mmc->cfg->b_max : blocks_todo; |
| if(mmc_read_blocks(mmc, dst, start, cur) != cur) |
| return 0; |
| blocks_todo -= cur; |
| start += cur; |
| dst += cur * mmc->read_bl_len; |
| } while (blocks_todo > 0); |
| |
| return blkcnt; |
| } |
| |
| static int mmc_go_idle(struct mmc *mmc) |
| { |
| struct mmc_cmd cmd; |
| int err; |
| |
| udelay(1000); |
| |
| cmd.cmdidx = MMC_CMD_GO_IDLE_STATE; |
| cmd.cmdarg = 0; |
| cmd.resp_type = MMC_RSP_NONE; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| |
| udelay(2000); |
| |
| return 0; |
| } |
| |
| static int sd_send_op_cond(struct mmc *mmc) |
| { |
| int timeout = 1000; |
| int err; |
| struct mmc_cmd cmd; |
| |
| do { |
| cmd.cmdidx = MMC_CMD_APP_CMD; |
| cmd.resp_type = MMC_RSP_R1; |
| cmd.cmdarg = 0; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| |
| cmd.cmdidx = SD_CMD_APP_SEND_OP_COND; |
| cmd.resp_type = MMC_RSP_R3; |
| |
| /* |
| * Most cards do not answer if some reserved bits |
| * in the ocr are set. However, Some controller |
| * can set bit 7 (reserved for low voltages), but |
| * how to manage low voltages SD card is not yet |
| * specified. |
| */ |
| cmd.cmdarg = mmc_host_is_spi(mmc) ? 0 : |
| (mmc->cfg->voltages & 0xff8000); |
| |
| if (mmc->version == SD_VERSION_2) |
| cmd.cmdarg |= OCR_HCS; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| |
| udelay(1000); |
| } while ((!(cmd.response[0] & OCR_BUSY)) && timeout--); |
| |
| if (timeout <= 0) |
| return UNUSABLE_ERR; |
| |
| if (mmc->version != SD_VERSION_2) |
| mmc->version = SD_VERSION_1_0; |
| |
| if (mmc_host_is_spi(mmc)) { /* read OCR for spi */ |
| cmd.cmdidx = MMC_CMD_SPI_READ_OCR; |
| cmd.resp_type = MMC_RSP_R3; |
| cmd.cmdarg = 0; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| } |
| |
| mmc->ocr = cmd.response[0]; |
| |
| mmc->high_capacity = ((mmc->ocr & OCR_HCS) == OCR_HCS); |
| mmc->rca = 0; |
| |
| return 0; |
| } |
| |
| /* We pass in the cmd since otherwise the init seems to fail */ |
| static int mmc_send_op_cond_iter(struct mmc *mmc, struct mmc_cmd *cmd, |
| int use_arg) |
| { |
| int err; |
| |
| cmd->cmdidx = MMC_CMD_SEND_OP_COND; |
| cmd->resp_type = MMC_RSP_R3; |
| cmd->cmdarg = 0; |
| if (use_arg && !mmc_host_is_spi(mmc)) { |
| cmd->cmdarg = |
| (mmc->cfg->voltages & |
| (mmc->op_cond_response & OCR_VOLTAGE_MASK)) | |
| (mmc->op_cond_response & OCR_ACCESS_MODE); |
| |
| if (mmc->cfg->host_caps & MMC_MODE_HC) |
| cmd->cmdarg |= OCR_HCS; |
| } |
| err = mmc_send_cmd(mmc, cmd, NULL); |
| if (err) |
| return err; |
| mmc->op_cond_response = cmd->response[0]; |
| return 0; |
| } |
| |
| static int mmc_send_op_cond(struct mmc *mmc) |
| { |
| struct mmc_cmd cmd; |
| int err, i; |
| |
| /* Some cards seem to need this */ |
| mmc_go_idle(mmc); |
| |
| /* Asking to the card its capabilities */ |
| mmc->op_cond_pending = 1; |
| |
| return IN_PROGRESS; |
| |
| for (i = 0; i < 2; i++) { |
| err = mmc_send_op_cond_iter(mmc, &cmd, i != 0); |
| if (err) |
| return err; |
| |
| /* exit if not busy (flag seems to be inverted) */ |
| if (mmc->op_cond_response & OCR_BUSY) |
| return 0; |
| } |
| return IN_PROGRESS; |
| } |
| |
| static int mmc_complete_op_cond(struct mmc *mmc) |
| { |
| struct mmc_cmd cmd; |
| int timeout = 1000; |
| uint start; |
| int err; |
| |
| mmc->op_cond_pending = 0; |
| start = get_timer(0); |
| do { |
| err = mmc_send_op_cond_iter(mmc, &cmd, 1); |
| if (err) |
| return err; |
| if (get_timer(start) > timeout) |
| return UNUSABLE_ERR; |
| udelay(100); |
| } while (!(mmc->op_cond_response & OCR_BUSY)); |
| |
| if (mmc_host_is_spi(mmc)) { /* read OCR for spi */ |
| cmd.cmdidx = MMC_CMD_SPI_READ_OCR; |
| cmd.resp_type = MMC_RSP_R3; |
| cmd.cmdarg = 0; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| } |
| |
| mmc->version = MMC_VERSION_UNKNOWN; |
| mmc->ocr = cmd.response[0]; |
| |
| mmc->high_capacity = ((mmc->ocr & OCR_HCS) == OCR_HCS); |
| mmc->rca = 1; |
| |
| return 0; |
| } |
| |
| |
| static int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd) |
| { |
| struct mmc_cmd cmd; |
| struct mmc_data data; |
| int err; |
| |
| /* Get the Card Status Register */ |
| cmd.cmdidx = MMC_CMD_SEND_EXT_CSD; |
| cmd.resp_type = MMC_RSP_R1; |
| cmd.cmdarg = 0; |
| |
| data.dest = (char *)ext_csd; |
| data.blocks = 1; |
| data.blocksize = MMC_MAX_BLOCK_LEN; |
| data.flags = MMC_DATA_READ; |
| |
| err = mmc_send_cmd(mmc, &cmd, &data); |
| |
| return err; |
| } |
| |
| #ifdef CONFIG_DISABLE_USER_WP |
| int mmc_switch_by_bit(struct mmc *mmc, u8 set, u8 index, u8 value) |
| { |
| struct mmc_cmd cmd; |
| int timeout = 1000; |
| int ret; |
| |
| cmd.cmdidx = MMC_CMD_SWITCH; |
| cmd.resp_type = MMC_RSP_R1b; |
| cmd.cmdarg = (MMC_SWITCH_MODE_SET_BITS << 24) | |
| (index << 16) | |
| (value << 8); |
| |
| ret = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| /* Waiting for the ready status */ |
| if (!ret) |
| ret = mmc_send_status(mmc, timeout); |
| |
| return ret; |
| } |
| #endif |
| |
| static int mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value) |
| { |
| struct mmc_cmd cmd; |
| int timeout = 1000; |
| int ret; |
| |
| cmd.cmdidx = MMC_CMD_SWITCH; |
| cmd.resp_type = MMC_RSP_R1b; |
| cmd.cmdarg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) | |
| (index << 16) | |
| (value << 8); |
| |
| ret = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| /* Waiting for the ready status */ |
| if (!ret) |
| ret = mmc_send_status(mmc, timeout); |
| |
| return ret; |
| |
| } |
| |
| u8 ext_csd_w[] = {191, 187, 185, 183, 179, 178, 177, 175, |
| 173, 171, 169, 167, 165, 164, 163, 162, |
| 161, 156, 155, 143, 140, 136, 134, 133, |
| 132, 131, 62, 59, 56, 52, 37, 34, |
| 33, 32, 31, 30, 29, 22, 17, 16, 15}; |
| |
| int mmc_set_ext_csd(struct mmc *mmc, u8 index, u8 value) |
| { |
| int ret = SWITCH_ERR, i; |
| |
| for (i = 0; i < sizeof(ext_csd_w); i++) { |
| if (ext_csd_w[i] == index) |
| break; |
| } |
| if (i != sizeof(ext_csd_w)) |
| ret = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, index, value); |
| |
| return ret; |
| } |
| |
| int mmc_get_ext_csd(struct mmc *mmc, u8 *ext_csd) |
| { |
| return mmc_send_ext_csd(mmc, ext_csd); |
| } |
| |
| static int mmc_change_freq(struct mmc *mmc) |
| { |
| ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN); |
| char cardtype; |
| int err; |
| |
| mmc->card_caps = MMC_MODE_4BIT | MMC_MODE_8BIT; |
| |
| if (mmc_host_is_spi(mmc)) |
| return 0; |
| |
| /* Only version 4 supports high-speed */ |
| if (mmc->version < MMC_VERSION_4) |
| return 0; |
| |
| err = mmc_send_ext_csd(mmc, ext_csd); |
| |
| if (err) |
| return err; |
| |
| cardtype = ext_csd[EXT_CSD_CARD_TYPE] & 0xf; |
| |
| err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1); |
| |
| if (err) |
| return err == SWITCH_ERR ? 0 : err; |
| |
| /* Now check to see that it worked */ |
| err = mmc_send_ext_csd(mmc, ext_csd); |
| |
| if (err) |
| return err; |
| |
| /* No high-speed support */ |
| if (!ext_csd[EXT_CSD_HS_TIMING]) |
| return 0; |
| |
| /* High Speed is set, there are two types: 52MHz and 26MHz */ |
| if (cardtype & EXT_CSD_CARD_TYPE_52) { |
| if (cardtype & EXT_CSD_CARD_TYPE_DDR_1_8V) |
| mmc->card_caps |= MMC_MODE_DDR_52MHz; |
| mmc->card_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS; |
| } else { |
| mmc->card_caps |= MMC_MODE_HS; |
| } |
| |
| return 0; |
| } |
| |
| static int mmc_set_capacity(struct mmc *mmc, int part_num) |
| { |
| switch (part_num) { |
| case 0: |
| mmc->capacity = mmc->capacity_user; |
| break; |
| case 1: |
| case 2: |
| mmc->capacity = mmc->capacity_boot; |
| break; |
| case 3: |
| mmc->capacity = mmc->capacity_rpmb; |
| break; |
| case 4: |
| case 5: |
| case 6: |
| case 7: |
| mmc->capacity = mmc->capacity_gp[part_num - 4]; |
| break; |
| default: |
| return -1; |
| } |
| |
| mmc->block_dev.lba = lldiv(mmc->capacity, mmc->read_bl_len); |
| |
| return 0; |
| } |
| |
| int mmc_select_hwpart(int dev_num, int hwpart) |
| { |
| struct mmc *mmc = find_mmc_device(dev_num); |
| int ret; |
| // |
| if (!mmc) |
| return -ENODEV; |
| |
| if (mmc->part_num == hwpart) |
| return 0; |
| |
| if (mmc->part_config == MMCPART_NOAVAILABLE) { |
| printf("Card doesn't support part_switch\n"); |
| return -EMEDIUMTYPE; |
| } |
| |
| ret = mmc_switch_part(dev_num, hwpart); |
| if (ret) |
| return ret; |
| |
| mmc->part_num = hwpart; |
| |
| return 0; |
| } |
| |
| |
| int mmc_switch_part(int dev_num, unsigned int part_num) |
| { |
| struct mmc *mmc = find_mmc_device(dev_num); |
| int ret; |
| |
| if (!mmc) |
| return -1; |
| |
| ret = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF, |
| (mmc->part_config & ~PART_ACCESS_MASK) |
| | (part_num & PART_ACCESS_MASK)); |
| |
| /* |
| * Set the capacity if the switch succeeded or was intended |
| * to return to representing the raw device. |
| */ |
| if ((ret == 0) || ((ret == -ENODEV) && (part_num == 0))) |
| ret = mmc_set_capacity(mmc, part_num); |
| |
| return ret; |
| } |
| |
| int mmc_getcd(struct mmc *mmc) |
| { |
| int cd; |
| |
| cd = board_mmc_getcd(mmc); |
| |
| if (cd < 0) { |
| if (mmc->cfg->ops->getcd) |
| cd = mmc->cfg->ops->getcd(mmc); |
| else |
| cd = 1; |
| } |
| |
| return cd; |
| } |
| |
| static int sd_switch(struct mmc *mmc, int mode, int group, u8 value, u8 *resp) |
| { |
| struct mmc_cmd cmd; |
| struct mmc_data data; |
| |
| /* Switch the frequency */ |
| cmd.cmdidx = SD_CMD_SWITCH_FUNC; |
| cmd.resp_type = MMC_RSP_R1; |
| cmd.cmdarg = (mode << 31) | 0xffffff; |
| cmd.cmdarg &= ~(0xf << (group * 4)); |
| cmd.cmdarg |= value << (group * 4); |
| |
| data.dest = (char *)resp; |
| data.blocksize = 64; |
| data.blocks = 1; |
| data.flags = MMC_DATA_READ; |
| |
| return mmc_send_cmd(mmc, &cmd, &data); |
| } |
| |
| |
| static int sd_change_freq(struct mmc *mmc) |
| { |
| int err; |
| struct mmc_cmd cmd; |
| ALLOC_CACHE_ALIGN_BUFFER(uint, scr, 2); |
| ALLOC_CACHE_ALIGN_BUFFER(uint, switch_status, 16); |
| struct mmc_data data; |
| int timeout; |
| |
| mmc->card_caps = 0; |
| |
| if (mmc_host_is_spi(mmc)) |
| return 0; |
| |
| /* Read the SCR to find out if this card supports higher speeds */ |
| cmd.cmdidx = MMC_CMD_APP_CMD; |
| cmd.resp_type = MMC_RSP_R1; |
| cmd.cmdarg = mmc->rca << 16; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| |
| cmd.cmdidx = SD_CMD_APP_SEND_SCR; |
| cmd.resp_type = MMC_RSP_R1; |
| cmd.cmdarg = 0; |
| |
| timeout = 3; |
| |
| retry_scr: |
| data.dest = (char *)scr; |
| data.blocksize = 8; |
| data.blocks = 1; |
| data.flags = MMC_DATA_READ; |
| |
| err = mmc_send_cmd(mmc, &cmd, &data); |
| |
| if (err) { |
| if (timeout--) |
| goto retry_scr; |
| |
| return err; |
| } |
| |
| mmc->scr[0] = __be32_to_cpu(scr[0]); |
| mmc->scr[1] = __be32_to_cpu(scr[1]); |
| |
| switch ((mmc->scr[0] >> 24) & 0xf) { |
| case 0: |
| mmc->version = SD_VERSION_1_0; |
| break; |
| case 1: |
| mmc->version = SD_VERSION_1_10; |
| break; |
| case 2: |
| mmc->version = SD_VERSION_2; |
| if ((mmc->scr[0] >> 15) & 0x1) |
| mmc->version = SD_VERSION_3; |
| break; |
| default: |
| mmc->version = SD_VERSION_1_0; |
| break; |
| } |
| |
| if (mmc->scr[0] & SD_DATA_4BIT) |
| mmc->card_caps |= MMC_MODE_4BIT; |
| |
| /* Version 1.0 doesn't support switching */ |
| if (mmc->version == SD_VERSION_1_0) |
| return 0; |
| |
| timeout = 4; |
| while (timeout--) { |
| err = sd_switch(mmc, SD_SWITCH_CHECK, 0, 1, |
| (u8 *)switch_status); |
| |
| if (err) |
| return err; |
| |
| /* The high-speed function is busy. Try again */ |
| if (!(__be32_to_cpu(switch_status[7]) & SD_HIGHSPEED_BUSY)) |
| break; |
| } |
| |
| /* If high-speed isn't supported, we return */ |
| if (!(__be32_to_cpu(switch_status[3]) & SD_HIGHSPEED_SUPPORTED)) |
| return 0; |
| |
| /* |
| * If the host doesn't support SD_HIGHSPEED, do not switch card to |
| * HIGHSPEED mode even if the card support SD_HIGHSPPED. |
| * This can avoid furthur problem when the card runs in different |
| * mode between the host. |
| */ |
| if (!((mmc->cfg->host_caps & MMC_MODE_HS_52MHz) && |
| (mmc->cfg->host_caps & MMC_MODE_HS))) |
| return 0; |
| |
| err = sd_switch(mmc, SD_SWITCH_SWITCH, 0, 1, (u8 *)switch_status); |
| |
| if (err) |
| return err; |
| |
| if ((__be32_to_cpu(switch_status[4]) & 0x0f000000) == 0x01000000) |
| mmc->card_caps |= MMC_MODE_HS; |
| |
| return 0; |
| } |
| |
| /* frequency bases */ |
| /* divided by 10 to be nice to platforms without floating point */ |
| static const int fbase[] = { |
| 10000, |
| 100000, |
| 1000000, |
| 10000000, |
| }; |
| |
| /* Multiplier values for TRAN_SPEED. Multiplied by 10 to be nice |
| * to platforms without floating point. |
| */ |
| static const int multipliers[] = { |
| 0, /* reserved */ |
| 10, |
| 12, |
| 13, |
| 15, |
| 20, |
| 25, |
| 30, |
| 35, |
| 40, |
| 45, |
| 50, |
| 55, |
| 60, |
| 70, |
| 80, |
| }; |
| |
| static void mmc_set_ios(struct mmc *mmc) |
| { |
| if (mmc->cfg->ops->set_ios) |
| mmc->cfg->ops->set_ios(mmc); |
| } |
| |
| int aml_emmc_refix(struct mmc *mmc) |
| { |
| int ret = 0; |
| mmc->refix = 1; |
| mmc->cfg->ops->calibration(mmc); |
| ret = mmc->cfg->ops->refix(mmc); |
| mmc->refix = 0; |
| return ret; |
| } |
| |
| void mmc_set_clock(struct mmc *mmc, uint clock) |
| { |
| if (clock > mmc->cfg->f_max) |
| clock = mmc->cfg->f_max; |
| |
| if (clock < mmc->cfg->f_min) |
| clock = mmc->cfg->f_min; |
| |
| mmc->clock = clock; |
| |
| mmc_set_ios(mmc); |
| } |
| |
| static void mmc_set_bus_width(struct mmc *mmc, uint width) |
| { |
| mmc->bus_width = width; |
| |
| mmc_set_ios(mmc); |
| } |
| |
| //#ifdef CONFIG_DISABLE_USER_WP |
| int mmc_disable_usr_wp(struct mmc *mmc, u8 *ext_csd) |
| { |
| int err= 0; |
| u8 cur_ext_csd_171 = 0; |
| u8 user_wp_disable = 0; |
| cur_ext_csd_171 = (u8)ext_csd[171]; |
| printf("original ext_csd[171] USE_WP field value is %02x\n",cur_ext_csd_171); |
| user_wp_disable = (cur_ext_csd_171^USER_WP_VALUE)&USER_WP_VALUE; |
| printf("user_wp_disable is %d\n",user_wp_disable); |
| if (user_wp_disable) { |
| err = mmc_switch_by_bit(mmc,MMC_SWITCH_MODE_SET_BITS,EXT_CSD_USER_WP,user_wp_disable); |
| if (err) |
| printf("mmc_switch mistake when disable user_wp, err value is %d\n",err); |
| |
| err = mmc_get_ext_csd(mmc,ext_csd); |
| if (err) |
| printf("mmc get ext csd mistake in %d\n",err); |
| else |
| printf("ext_csd[171] USER_WP filed value after switch is %02x\n",ext_csd[171]); |
| } |
| else { |
| printf("Disable bits in ext_csd[171] USE_WP field has been set to \"1\"\n"); |
| } |
| return err; |
| } |
| //#endif |
| |
| static int mmc_startup(struct mmc *mmc) |
| { |
| int err, i; |
| uint mult, freq; |
| u64 cmult, csize, capacity; |
| struct mmc_cmd cmd; |
| ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN); |
| ALLOC_CACHE_ALIGN_BUFFER(u8, test_csd, MMC_MAX_BLOCK_LEN); |
| int timeout = 1000; |
| |
| #ifdef CONFIG_MMC_SPI_CRC_ON |
| if (mmc_host_is_spi(mmc)) { /* enable CRC check for spi */ |
| cmd.cmdidx = MMC_CMD_SPI_CRC_ON_OFF; |
| cmd.resp_type = MMC_RSP_R1; |
| cmd.cmdarg = 1; |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| } |
| #endif |
| |
| /* Put the Card in Identify Mode */ |
| cmd.cmdidx = mmc_host_is_spi(mmc) ? MMC_CMD_SEND_CID : |
| MMC_CMD_ALL_SEND_CID; /* cmd not supported in spi */ |
| cmd.resp_type = MMC_RSP_R2; |
| cmd.cmdarg = 0; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| |
| memcpy(mmc->cid, cmd.response, 16); |
| |
| /* |
| * For MMC cards, set the Relative Address. |
| * For SD cards, get the Relatvie Address. |
| * This also puts the cards into Standby State |
| */ |
| if (!mmc_host_is_spi(mmc)) { /* cmd not supported in spi */ |
| cmd.cmdidx = SD_CMD_SEND_RELATIVE_ADDR; |
| cmd.cmdarg = mmc->rca << 16; |
| cmd.resp_type = MMC_RSP_R6; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| |
| if (IS_SD(mmc)) |
| mmc->rca = (cmd.response[0] >> 16) & 0xffff; |
| } |
| |
| /* Get the Card-Specific Data */ |
| cmd.cmdidx = MMC_CMD_SEND_CSD; |
| cmd.resp_type = MMC_RSP_R2; |
| cmd.cmdarg = mmc->rca << 16; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| /* Waiting for the ready status */ |
| mmc_send_status(mmc, timeout); |
| |
| if (err) |
| return err; |
| |
| mmc->csd[0] = cmd.response[0]; |
| mmc->csd[1] = cmd.response[1]; |
| mmc->csd[2] = cmd.response[2]; |
| mmc->csd[3] = cmd.response[3]; |
| |
| if (mmc->version == MMC_VERSION_UNKNOWN) { |
| int version = (cmd.response[0] >> 26) & 0xf; |
| |
| switch (version) { |
| case 0: |
| mmc->version = MMC_VERSION_1_2; |
| break; |
| case 1: |
| mmc->version = MMC_VERSION_1_4; |
| break; |
| case 2: |
| mmc->version = MMC_VERSION_2_2; |
| break; |
| case 3: |
| mmc->version = MMC_VERSION_3; |
| break; |
| case 4: |
| mmc->version = MMC_VERSION_4; |
| break; |
| default: |
| mmc->version = MMC_VERSION_1_2; |
| break; |
| } |
| } |
| |
| /* divide frequency by 10, since the mults are 10x bigger */ |
| freq = fbase[(cmd.response[0] & 0x7)]; |
| mult = multipliers[((cmd.response[0] >> 3) & 0xf)]; |
| |
| mmc->tran_speed = freq * mult; |
| |
| mmc->dsr_imp = ((cmd.response[1] >> 12) & 0x1); |
| mmc->read_bl_len = 1 << ((cmd.response[1] >> 16) & 0xf); |
| |
| if (IS_SD(mmc)) |
| mmc->write_bl_len = mmc->read_bl_len; |
| else |
| mmc->write_bl_len = 1 << ((cmd.response[3] >> 22) & 0xf); |
| |
| if (mmc->high_capacity) { |
| csize = (mmc->csd[1] & 0x3f) << 16 |
| | (mmc->csd[2] & 0xffff0000) >> 16; |
| cmult = 8; |
| } else { |
| csize = (mmc->csd[1] & 0x3ff) << 2 |
| | (mmc->csd[2] & 0xc0000000) >> 30; |
| cmult = (mmc->csd[2] & 0x00038000) >> 15; |
| } |
| |
| mmc->capacity_user = (csize + 1) << (cmult + 2); |
| mmc->capacity_user *= mmc->read_bl_len; |
| mmc->capacity_boot = 0; |
| mmc->capacity_rpmb = 0; |
| for (i = 0; i < 4; i++) |
| mmc->capacity_gp[i] = 0; |
| |
| if (mmc->read_bl_len > MMC_MAX_BLOCK_LEN) |
| mmc->read_bl_len = MMC_MAX_BLOCK_LEN; |
| |
| if (mmc->write_bl_len > MMC_MAX_BLOCK_LEN) |
| mmc->write_bl_len = MMC_MAX_BLOCK_LEN; |
| |
| if ((mmc->dsr_imp) && (0xffffffff != mmc->dsr)) { |
| cmd.cmdidx = MMC_CMD_SET_DSR; |
| cmd.cmdarg = (mmc->dsr & 0xffff) << 16; |
| cmd.resp_type = MMC_RSP_NONE; |
| if (mmc_send_cmd(mmc, &cmd, NULL)) |
| printf("MMC: SET_DSR failed\n"); |
| } |
| |
| /* Select the card, and put it into Transfer Mode */ |
| if (!mmc_host_is_spi(mmc)) { /* cmd not supported in spi */ |
| cmd.cmdidx = MMC_CMD_SELECT_CARD; |
| cmd.resp_type = MMC_RSP_R1; |
| cmd.cmdarg = mmc->rca << 16; |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| } |
| |
| /* |
| * For SD, its erase group is always one sector |
| */ |
| mmc->erase_grp_size = 1; |
| mmc->part_config = MMCPART_NOAVAILABLE; |
| if (!IS_SD(mmc) && (mmc->version >= MMC_VERSION_4)) { |
| /* check ext_csd version and capacity */ |
| err = mmc_send_ext_csd(mmc, ext_csd); |
| if (!err && (ext_csd[EXT_CSD_REV] >= 2)) { |
| /* |
| * According to the JEDEC Standard, the value of |
| * ext_csd's capacity is valid if the value is more |
| * than 2GB |
| */ |
| capacity = ext_csd[EXT_CSD_SEC_CNT] << 0 |
| | ext_csd[EXT_CSD_SEC_CNT + 1] << 8 |
| | ext_csd[EXT_CSD_SEC_CNT + 2] << 16 |
| | ext_csd[EXT_CSD_SEC_CNT + 3] << 24; |
| capacity *= MMC_MAX_BLOCK_LEN; |
| if ((capacity >> 20) > 2 * 1024) |
| mmc->capacity_user = capacity; |
| } |
| |
| switch (ext_csd[EXT_CSD_REV]) { |
| case 1: |
| mmc->version = MMC_VERSION_4_1; |
| break; |
| case 2: |
| mmc->version = MMC_VERSION_4_2; |
| break; |
| case 3: |
| mmc->version = MMC_VERSION_4_3; |
| break; |
| case 5: |
| mmc->version = MMC_VERSION_4_41; |
| break; |
| case 6: |
| mmc->version = MMC_VERSION_4_5; |
| break; |
| case 7: |
| mmc->version = MMC_VERSION_5_0; |
| break; |
| case 8: |
| mmc->version = MMC_VERSION_5_1; |
| break; |
| } |
| |
| /* dev life time estimate type A/B */ |
| mmc->dev_lifetime_est_typ_a |
| = ext_csd[EXT_CSD_DEV_LIFETIME_EST_TYP_A]; |
| mmc->dev_lifetime_est_typ_b |
| = ext_csd[EXT_CSD_DEV_LIFETIME_EST_TYP_B]; |
| |
| /* |
| * Host needs to enable ERASE_GRP_DEF bit if device is |
| * partitioned. This bit will be lost every time after a reset |
| * or power off. This will affect erase size. |
| */ |
| if ((ext_csd[EXT_CSD_PARTITIONING_SUPPORT] & PART_SUPPORT) && |
| (ext_csd[EXT_CSD_PARTITIONS_ATTRIBUTE] & PART_ENH_ATTRIB)) { |
| err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, |
| EXT_CSD_ERASE_GROUP_DEF, 1); |
| |
| if (err) |
| return err; |
| else |
| ext_csd[EXT_CSD_ERASE_GROUP_DEF] = 1; |
| |
| /* Read out group size from ext_csd */ |
| mmc->erase_grp_size = |
| ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * |
| MMC_MAX_BLOCK_LEN * 1024; |
| /* |
| * if high capacity and partition setting completed |
| * SEC_COUNT is valid even if it is smaller than 2 GiB |
| * JEDEC Standard JESD84-B45, 6.2.4 |
| */ |
| if (mmc->high_capacity && |
| (ext_csd[EXT_CSD_PARTITION_SETTING] & |
| EXT_CSD_PARTITION_SETTING_COMPLETED)) { |
| capacity = (ext_csd[EXT_CSD_SEC_CNT]) | |
| (ext_csd[EXT_CSD_SEC_CNT + 1] << 8) | |
| (ext_csd[EXT_CSD_SEC_CNT + 2] << 16) | |
| (ext_csd[EXT_CSD_SEC_CNT + 3] << 24); |
| capacity *= MMC_MAX_BLOCK_LEN; |
| mmc->capacity_user = capacity; |
| } |
| } else { |
| /* Calculate the group size from the csd value. */ |
| int erase_gsz, erase_gmul; |
| erase_gsz = (mmc->csd[2] & 0x00007c00) >> 10; |
| erase_gmul = (mmc->csd[2] & 0x000003e0) >> 5; |
| mmc->erase_grp_size = (erase_gsz + 1) |
| * (erase_gmul + 1); |
| } |
| |
| /* store the partition info of emmc */ |
| if ((ext_csd[EXT_CSD_PARTITIONING_SUPPORT] & PART_SUPPORT) || |
| ext_csd[EXT_CSD_BOOT_MULT]) |
| mmc->part_config = ext_csd[EXT_CSD_PART_CONF]; |
| |
| mmc->capacity_boot = ext_csd[EXT_CSD_BOOT_MULT] << 17; |
| |
| mmc->capacity_rpmb = ext_csd[EXT_CSD_RPMB_MULT] << 17; |
| |
| for (i = 0; i < 4; i++) { |
| int idx = EXT_CSD_GP_SIZE_MULT + i * 3; |
| mmc->capacity_gp[i] = (ext_csd[idx + 2] << 16) + |
| (ext_csd[idx + 1] << 8) + ext_csd[idx]; |
| mmc->capacity_gp[i] *= |
| ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]; |
| mmc->capacity_gp[i] *= ext_csd[EXT_CSD_HC_WP_GRP_SIZE]; |
| } |
| } |
| |
| err = mmc_set_capacity(mmc, mmc->part_num); |
| if (err) |
| return err; |
| |
| if (IS_SD(mmc)) |
| err = sd_change_freq(mmc); |
| else |
| err = mmc_change_freq(mmc); |
| |
| if (err) |
| return err; |
| |
| #ifdef CONFIG_DISABLE_USER_WP |
| // mmc_disable_usr_wp(mmc,ext_csd); |
| #endif |
| |
| /* Restrict card's capabilities by what the host can do */ |
| mmc->card_caps &= mmc->cfg->host_caps; |
| |
| if (IS_SD(mmc)) { |
| if (mmc->card_caps & MMC_MODE_4BIT) { |
| cmd.cmdidx = MMC_CMD_APP_CMD; |
| cmd.resp_type = MMC_RSP_R1; |
| cmd.cmdarg = mmc->rca << 16; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| if (err) |
| return err; |
| |
| cmd.cmdidx = SD_CMD_APP_SET_BUS_WIDTH; |
| cmd.resp_type = MMC_RSP_R1; |
| cmd.cmdarg = 2; |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| if (err) |
| return err; |
| |
| mmc_set_bus_width(mmc, 4); |
| } |
| |
| if (mmc->card_caps & MMC_MODE_HS) |
| mmc->tran_speed = 50000000; |
| else |
| mmc->tran_speed = 25000000; |
| } else { |
| int idx; |
| |
| /* An array of possible bus widths in order of preference */ |
| static unsigned ext_csd_bits[] = { |
| EXT_CSD_DDR_BUS_WIDTH_8, |
| EXT_CSD_DDR_BUS_WIDTH_4, |
| EXT_CSD_BUS_WIDTH_8, |
| EXT_CSD_BUS_WIDTH_4, |
| EXT_CSD_BUS_WIDTH_1, |
| }; |
| |
| /* An array to map CSD bus widths to host cap bits */ |
| static unsigned ext_to_hostcaps[] = { |
| [EXT_CSD_DDR_BUS_WIDTH_4] = |
| MMC_MODE_DDR_52MHz | MMC_MODE_4BIT, |
| [EXT_CSD_DDR_BUS_WIDTH_8] = |
| MMC_MODE_DDR_52MHz | MMC_MODE_8BIT, |
| [EXT_CSD_BUS_WIDTH_4] = MMC_MODE_4BIT, |
| [EXT_CSD_BUS_WIDTH_8] = MMC_MODE_8BIT, |
| }; |
| |
| /* An array to map chosen bus width to an integer */ |
| static unsigned widths[] = { |
| 8, 4, 8, 4, 1, |
| }; |
| |
| for (idx=0; idx < ARRAY_SIZE(ext_csd_bits); idx++) { |
| unsigned int extw = ext_csd_bits[idx]; |
| unsigned int caps = ext_to_hostcaps[extw]; |
| |
| /* |
| * Check to make sure the card and controller support |
| * these capabilities |
| */ |
| if ((mmc->card_caps & caps) != caps) |
| continue; |
| |
| err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, |
| EXT_CSD_BUS_WIDTH, extw); |
| |
| if (err) |
| continue; |
| |
| mmc->ddr_mode = (caps & MMC_MODE_DDR_52MHz) ? 1 : 0; |
| mmc_set_bus_width(mmc, widths[idx]); |
| |
| err = mmc_send_ext_csd(mmc, test_csd); |
| |
| if (err) |
| continue; |
| |
| /* Only compare read only fields */ |
| if (ext_csd[EXT_CSD_PARTITIONING_SUPPORT] |
| == test_csd[EXT_CSD_PARTITIONING_SUPPORT] && |
| ext_csd[EXT_CSD_HC_WP_GRP_SIZE] |
| == test_csd[EXT_CSD_HC_WP_GRP_SIZE] && |
| ext_csd[EXT_CSD_REV] |
| == test_csd[EXT_CSD_REV] && |
| ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] |
| == test_csd[EXT_CSD_HC_ERASE_GRP_SIZE] && |
| memcmp(&ext_csd[EXT_CSD_SEC_CNT], |
| &test_csd[EXT_CSD_SEC_CNT], 4) == 0) |
| break; |
| else |
| err = SWITCH_ERR; |
| } |
| |
| if (err) |
| return err; |
| |
| if (mmc->card_caps & MMC_MODE_HS) { |
| if (mmc->card_caps & MMC_MODE_HS_52MHz) |
| mmc->tran_speed = 52000000; |
| else |
| mmc->tran_speed = 26000000; |
| } |
| } |
| |
| mmc_set_clock(mmc, mmc->tran_speed); |
| |
| /* refix emmc DDR52 mode*/ |
| if (mmc->ddr_mode) { |
| if (!IS_SD(mmc)) { |
| err = aml_emmc_refix(mmc); |
| if (!err) |
| printf("[%s] mmc refix success\n", __func__); |
| else { |
| printf("[%s] mmc refix error\n", __func__); |
| mmc_set_clock(mmc, 26000000); |
| } |
| } |
| } |
| |
| /* Fix the block length for DDR mode */ |
| if (mmc->ddr_mode) { |
| mmc->read_bl_len = MMC_MAX_BLOCK_LEN; |
| mmc->write_bl_len = MMC_MAX_BLOCK_LEN; |
| } |
| |
| /* fill in device description */ |
| mmc->block_dev.lun = 0; |
| mmc->block_dev.type = 0; |
| mmc->block_dev.blksz = mmc->read_bl_len; |
| mmc->block_dev.log2blksz = LOG2(mmc->block_dev.blksz); |
| mmc->block_dev.lba = lldiv(mmc->capacity, mmc->read_bl_len); |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
| sprintf(mmc->block_dev.vendor, "Man %06x Snr %04x%04x", |
| mmc->cid[0] >> 24, (mmc->cid[2] & 0xffff), |
| (mmc->cid[3] >> 16) & 0xffff); |
| sprintf(mmc->block_dev.product, "%c%c%c%c%c%c", mmc->cid[0] & 0xff, |
| (mmc->cid[1] >> 24), (mmc->cid[1] >> 16) & 0xff, |
| (mmc->cid[1] >> 8) & 0xff, mmc->cid[1] & 0xff, |
| (mmc->cid[2] >> 24) & 0xff); |
| sprintf(mmc->block_dev.revision, "%d.%d", (mmc->cid[2] >> 20) & 0xf, |
| (mmc->cid[2] >> 16) & 0xf); |
| #else |
| mmc->block_dev.vendor[0] = 0; |
| mmc->block_dev.product[0] = 0; |
| mmc->block_dev.revision[0] = 0; |
| #endif |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBDISK_SUPPORT) |
| init_part(&mmc->block_dev); |
| #endif |
| |
| return 0; |
| } |
| |
| static int mmc_send_if_cond(struct mmc *mmc) |
| { |
| struct mmc_cmd cmd; |
| int err; |
| |
| cmd.cmdidx = SD_CMD_SEND_IF_COND; |
| /* We set the bit if the host supports voltages between 2.7 and 3.6 V */ |
| cmd.cmdarg = ((mmc->cfg->voltages & 0xff8000) != 0) << 8 | 0xaa; |
| cmd.resp_type = MMC_RSP_R7; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| |
| if (err) |
| return err; |
| |
| if ((cmd.response[0] & 0xff) != 0xaa) |
| return UNUSABLE_ERR; |
| else |
| mmc->version = SD_VERSION_2; |
| |
| return 0; |
| } |
| |
| /* not used any more */ |
| int __deprecated mmc_register(struct mmc *mmc) |
| { |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
| printf("%s is deprecated! use mmc_create() instead.\n", __func__); |
| #endif |
| return -1; |
| } |
| |
| struct mmc *mmc_create(const struct mmc_config *cfg, void *priv) |
| { |
| struct mmc *mmc; |
| |
| /* quick validation */ |
| if (cfg == NULL || cfg->ops == NULL || cfg->ops->send_cmd == NULL || |
| cfg->f_min == 0 || cfg->f_max == 0 || cfg->b_max == 0) |
| return NULL; |
| |
| mmc = calloc(1, sizeof(*mmc)); |
| if (mmc == NULL) |
| return NULL; |
| |
| mmc->cfg = cfg; |
| mmc->priv = priv; |
| |
| /* the following chunk was mmc_register() */ |
| |
| /* Setup dsr related values */ |
| mmc->dsr_imp = 0; |
| mmc->dsr = 0xffffffff; |
| /* Setup the universal parts of the block interface just once */ |
| mmc->block_dev.if_type = IF_TYPE_MMC; |
| mmc->block_dev.dev = cur_dev_num++; |
| mmc->block_dev.removable = 1; |
| mmc->block_dev.block_read = mmc_bread; |
| mmc->block_dev.block_write = mmc_bwrite; |
| mmc->block_dev.block_erase = mmc_berase; |
| |
| /* setup initial part type */ |
| mmc->block_dev.part_type = mmc->cfg->part_type; |
| |
| INIT_LIST_HEAD(&mmc->link); |
| |
| list_add_tail(&mmc->link, &mmc_devices); |
| |
| return mmc; |
| } |
| |
| void mmc_destroy(struct mmc *mmc) |
| { |
| /* only freeing memory for now */ |
| free(mmc); |
| } |
| |
| #ifdef CONFIG_PARTITIONS |
| block_dev_desc_t *mmc_get_dev(int dev) |
| { |
| struct mmc *mmc = find_mmc_device(dev); |
| if (!mmc || mmc_init(mmc)) |
| return NULL; |
| |
| return &mmc->block_dev; |
| } |
| #endif |
| |
| /* board-specific MMC power initializations. */ |
| __weak void board_mmc_power_init(void) |
| { |
| } |
| |
| int mmc_start_init(struct mmc *mmc) |
| { |
| int err; |
| |
| /* we pretend there's no card when init is NULL */ |
| if (mmc_getcd(mmc) == 0 || mmc->cfg->ops->init == NULL) { |
| mmc->has_init = 0; |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
| printf("MMC: no card present\n"); |
| #endif |
| return NO_CARD_ERR; |
| } |
| |
| if (mmc->has_init) |
| return 0; |
| |
| board_mmc_power_init(); |
| |
| /* made sure it's not NULL earlier */ |
| err = mmc->cfg->ops->init(mmc); |
| |
| if (err) |
| return err; |
| |
| mmc->ddr_mode = 0; |
| mmc_set_bus_width(mmc, 1); |
| mmc_set_clock(mmc, 1); |
| |
| /* Reset the Card */ |
| err = mmc_go_idle(mmc); |
| |
| if (err) |
| return err; |
| |
| /* The internal partition reset to user partition(0) at every CMD0*/ |
| mmc->part_num = 0; |
| |
| /* Test for SD version 2 */ |
| err = mmc_send_if_cond(mmc); |
| |
| /* Now try to get the SD card's operating condition */ |
| err = sd_send_op_cond(mmc); |
| |
| /* If the command timed out, we check for an MMC card */ |
| if (err == TIMEOUT) { |
| err = mmc_send_op_cond(mmc); |
| |
| if (err && err != IN_PROGRESS) { |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
| printf("Card did not respond to voltage select!\n"); |
| #endif |
| return UNUSABLE_ERR; |
| } |
| } |
| |
| if (err == IN_PROGRESS) |
| mmc->init_in_progress = 1; |
| |
| return err; |
| } |
| |
| void mmc_write_cali_mattern(void *addr) |
| { |
| int i = 0; |
| u32 *mattern = (u32 *)addr; |
| struct virtual_partition *vpart = |
| aml_get_virtual_partition_by_name(MMC_PATTERN_NAME); |
| for (i = 0;i < (vpart->size)/4;i++) |
| mattern[i] = 0x55aa55aa; |
| return; |
| } |
| |
| int mmc_pattern_check(struct mmc *mmc) |
| { |
| void *addr = NULL; |
| int i, dev = EMMC_DTB_DEV; |
| u64 cnt = 0, n = 0, blk = 0; |
| u32 *buf = NULL; |
| struct partitions *part = NULL; |
| struct virtual_partition *vpart = NULL; |
| vpart = aml_get_virtual_partition_by_name(MMC_DTB_NAME); |
| part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| |
| addr = (void *)malloc(vpart->size); |
| if (!addr) { |
| printf("pattern malloc failed\n"); |
| return 1; |
| } |
| vpart = aml_get_virtual_partition_by_name(MMC_PATTERN_NAME); |
| part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| blk = (part->offset + vpart->offset) / mmc->read_bl_len; |
| cnt = vpart->size / mmc->read_bl_len; |
| n = mmc_bread(dev, blk, cnt, addr); |
| if (n != cnt) { |
| printf("read pattern failed\n"); |
| free(addr); |
| return 1; |
| } else { |
| buf = (u32 *)addr; |
| for (i = 0;i < (vpart->size/4);i++) { |
| if (buf[i] != 0x55aa55aa) { |
| printf("check pattern failed, need to write pattern\n"); |
| break; |
| } |
| } |
| if (i == (vpart->size/4)) |
| printf("check pattern success\n"); |
| } |
| if (i != (vpart->size/4)) { |
| mmc_write_cali_mattern(addr); |
| n = mmc_bwrite(dev, blk, cnt, addr); |
| printf("several calibration pattern blocks write %s\n", |
| (n == cnt) ? "OK" : "ERROR"); |
| } |
| free(addr); |
| return (n == cnt) ? 0 : 1; |
| } |
| |
| static int mmc_complete_init(struct mmc *mmc) |
| { |
| int err = 0; |
| |
| if (mmc->op_cond_pending) |
| err = mmc_complete_op_cond(mmc); |
| |
| if (!err) |
| err = mmc_startup(mmc); |
| if (err) |
| mmc->has_init = 0; |
| else |
| mmc->has_init = 1; |
| mmc->init_in_progress = 0; |
| return err; |
| } |
| |
| int mmc_init(struct mmc *mmc) |
| { |
| int err = IN_PROGRESS; |
| unsigned start; |
| |
| if (mmc->has_init) |
| return 0; |
| |
| start = get_timer(0); |
| |
| if (!mmc->init_in_progress) |
| err = mmc_start_init(mmc); |
| |
| if (!err || err == IN_PROGRESS) |
| err = mmc_complete_init(mmc); |
| debug("%s: %d, time %lu\n", __func__, err, get_timer(start)); |
| if (err) |
| return err; |
| printf("[%s] mmc init success\n", __func__); |
| |
| /*mmc init flag*/ |
| amlmmc_init = 1; |
| if (mmc->block_dev.dev == CONFIG_SYS_MMC_ENV_DEV) { |
| device_boot_flag = EMMC_BOOT_FLAG; |
| secure_storage_set_info(STORAGE_DEV_EMMC); |
| |
| } |
| #ifdef CONFIG_STORE_COMPATIBLE |
| info_disprotect |= DISPROTECT_KEY; |
| if (aml_is_emmc_tsd(mmc)) { // eMMC OR TSD |
| if (!is_partition_checked) { |
| if (mmc_device_init(mmc) == 0) { |
| is_partition_checked = true; |
| printf("eMMC/TSD partition table have been checked OK!\n"); |
| mmc_pattern_check(mmc); |
| } |
| } |
| } |
| info_disprotect &= ~DISPROTECT_KEY; |
| #endif |
| return err; |
| } |
| |
| int mmc_ffu_op(int dev, u64 ffu_ver, void *addr, u64 cnt) |
| { |
| int err, i, supported_modes, fw_cfg, ffu_status; |
| u64 fw_ver = 0, n; |
| u8 ext_csd_ffu[512] = {0}; |
| |
| struct mmc *mmc = find_mmc_device(dev); |
| if (!mmc) |
| return -ENODEV; |
| |
| printf("ffu update start\n"); |
| /* check MID SamSung */ |
| if ((mmc->cid[0] >> 24) != 0x15) |
| return -1; |
| |
| /* |
| * check FFU Supportability |
| * check FFU Prohibited or not |
| * check current firmware version |
| */ |
| memset(ext_csd_ffu, 0, 512); |
| err = mmc_get_ext_csd(mmc, ext_csd_ffu); |
| if (err) |
| return err; |
| supported_modes = ext_csd_ffu[EXT_CSD_SUPPORTED_MODES] & 0x1; |
| fw_cfg = ext_csd_ffu[EXT_CSD_FW_CFG] & 0x1; |
| for (i = 0; i < 8; i++) |
| fw_ver |= (ext_csd_ffu[EXT_CSD_FW_VERSION + i] << (i * 8)); |
| printf("old fw_ver = %llx\n", fw_ver); |
| if (!supported_modes || fw_cfg || (fw_ver >= ffu_ver)) |
| return -1; |
| |
| /* Set FFU Mode */ |
| err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_MODE_CFG, 1); |
| if (err) |
| return err; |
| |
| /* Write patch file at one write command */ |
| n = mmc_ffu_write(dev, 0xc7810000, cnt, addr); |
| if (n != cnt) |
| return -1; |
| |
| /* Set Normal Mode */ |
| err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_MODE_CFG, 0); |
| if (err) |
| return err; |
| |
| /* reset devices */ |
| err = mmc_go_idle(mmc); |
| if (err) |
| return err; |
| |
| /* Initialization */ |
| mmc->has_init = 0; |
| err = mmc_init(mmc); |
| if (err) |
| return err; |
| |
| /* Read ffu_status, check ffu_version */ |
| memset(ext_csd_ffu, 0, 512); |
| err = mmc_get_ext_csd(mmc, ext_csd_ffu); |
| if (err) |
| return err; |
| ffu_status = ext_csd_ffu[EXT_CSD_FFU_STATUS] & 0xff; |
| fw_ver = 0; |
| for (i = 0; i < 8; i++) |
| fw_ver |= (ext_csd_ffu[EXT_CSD_FW_VERSION + i] << (i * 8)); |
| printf("new fw_ver = %llx\n", fw_ver); |
| if (ffu_status || (fw_ver != ffu_ver)) |
| return ffu_status; |
| |
| printf("FFU update ok!\n"); |
| return 0; |
| } |
| |
| int get_boot_size(char *name, uint64_t* size) |
| { |
| int ret = 0; |
| struct mmc *mmc = find_mmc_device(1); |
| |
| /* do nothing */ |
| if (!name) |
| goto _out; |
| |
| if (!mmc) { |
| printf("%s() %d: not valid emmc\n", __func__, __LINE__); |
| ret = -1; |
| goto _out; |
| } |
| /* make sure mmc is initilized! */ |
| ret = mmc_init(mmc); |
| if (ret) { |
| printf("%s() %d: emmc init %d\n", __func__, __LINE__, ret); |
| ret = -2; |
| goto _out; |
| } |
| |
| if (!strcmp(name, "boot0") || !strcmp(name, "boot1")) |
| *size = mmc->capacity_boot; |
| |
| _out: |
| return ret; |
| } |
| |
| int mmc_set_dsr(struct mmc *mmc, u16 val) |
| { |
| mmc->dsr = val; |
| return 0; |
| } |
| |
| /* CPU-specific MMC initializations */ |
| __weak int cpu_mmc_init(bd_t *bis) |
| { |
| return -1; |
| } |
| |
| /* board-specific MMC initializations. */ |
| __weak int board_mmc_init(bd_t *bis) |
| { |
| return -1; |
| } |
| |
| #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) |
| |
| void print_mmc_devices(char separator) |
| { |
| struct mmc *m; |
| struct list_head *entry; |
| |
| list_for_each(entry, &mmc_devices) { |
| m = list_entry(entry, struct mmc, link); |
| |
| printf("%s: %d", m->cfg->name, m->block_dev.dev); |
| |
| if (entry->next != &mmc_devices) { |
| printf("%c", separator); |
| if (separator != '\n') |
| puts (" "); |
| } |
| } |
| |
| printf("\n"); |
| } |
| |
| #else |
| void print_mmc_devices(char separator) { } |
| #endif |
| |
| int get_mmc_num(void) |
| { |
| return cur_dev_num; |
| } |
| |
| void mmc_set_preinit(struct mmc *mmc, int preinit) |
| { |
| mmc->preinit = preinit; |
| } |
| |
| static void do_preinit(void) |
| { |
| struct mmc *m; |
| struct list_head *entry; |
| |
| list_for_each(entry, &mmc_devices) { |
| m = list_entry(entry, struct mmc, link); |
| |
| if (m->preinit) |
| mmc_start_init(m); |
| } |
| } |
| |
| |
| int mmc_initialize(bd_t *bis) |
| { |
| INIT_LIST_HEAD (&mmc_devices); |
| cur_dev_num = 0; |
| |
| if (board_mmc_init(bis) < 0) |
| cpu_mmc_init(bis); |
| |
| #ifndef CONFIG_SPL_BUILD |
| print_mmc_devices(','); |
| #endif |
| |
| do_preinit(); |
| return 0; |
| } |
| |
| #ifdef CONFIG_SUPPORT_EMMC_BOOT |
| /* |
| * This function changes the size of boot partition and the size of rpmb |
| * partition present on EMMC devices. |
| * |
| * Input Parameters: |
| * struct *mmc: pointer for the mmc device strcuture |
| * bootsize: size of boot partition |
| * rpmbsize: size of rpmb partition |
| * |
| * Returns 0 on success. |
| */ |
| |
| int mmc_boot_partition_size_change(struct mmc *mmc, unsigned long bootsize, |
| unsigned long rpmbsize) |
| { |
| int err; |
| struct mmc_cmd cmd; |
| |
| /* Only use this command for raw EMMC moviNAND. Enter backdoor mode */ |
| cmd.cmdidx = MMC_CMD_RES_MAN; |
| cmd.resp_type = MMC_RSP_R1b; |
| cmd.cmdarg = MMC_CMD62_ARG1; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| if (err) { |
| debug("mmc_boot_partition_size_change: Error1 = %d\n", err); |
| return err; |
| } |
| |
| /* Boot partition changing mode */ |
| cmd.cmdidx = MMC_CMD_RES_MAN; |
| cmd.resp_type = MMC_RSP_R1b; |
| cmd.cmdarg = MMC_CMD62_ARG2; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| if (err) { |
| debug("mmc_boot_partition_size_change: Error2 = %d\n", err); |
| return err; |
| } |
| /* boot partition size is multiple of 128KB */ |
| bootsize = (bootsize * 1024) / 128; |
| |
| /* Arg: boot partition size */ |
| cmd.cmdidx = MMC_CMD_RES_MAN; |
| cmd.resp_type = MMC_RSP_R1b; |
| cmd.cmdarg = bootsize; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| if (err) { |
| debug("mmc_boot_partition_size_change: Error3 = %d\n", err); |
| return err; |
| } |
| /* RPMB partition size is multiple of 128KB */ |
| rpmbsize = (rpmbsize * 1024) / 128; |
| /* Arg: RPMB partition size */ |
| cmd.cmdidx = MMC_CMD_RES_MAN; |
| cmd.resp_type = MMC_RSP_R1b; |
| cmd.cmdarg = rpmbsize; |
| |
| err = mmc_send_cmd(mmc, &cmd, NULL); |
| if (err) { |
| debug("mmc_boot_partition_size_change: Error4 = %d\n", err); |
| return err; |
| } |
| return 0; |
| } |
| |
| /* |
| * Modify EXT_CSD[177] which is BOOT_BUS_WIDTH |
| * based on the passed in values for BOOT_BUS_WIDTH, RESET_BOOT_BUS_WIDTH |
| * and BOOT_MODE. |
| * |
| * Returns 0 on success. |
| */ |
| int mmc_set_boot_bus_width(struct mmc *mmc, u8 width, u8 reset, u8 mode) |
| { |
| int err; |
| |
| err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BOOT_BUS_WIDTH, |
| EXT_CSD_BOOT_BUS_WIDTH_MODE(mode) | |
| EXT_CSD_BOOT_BUS_WIDTH_RESET(reset) | |
| EXT_CSD_BOOT_BUS_WIDTH_WIDTH(width)); |
| |
| if (err) |
| return err; |
| return 0; |
| } |
| |
| /* |
| * Modify EXT_CSD[179] which is PARTITION_CONFIG (formerly BOOT_CONFIG) |
| * based on the passed in values for BOOT_ACK, BOOT_PARTITION_ENABLE and |
| * PARTITION_ACCESS. |
| * |
| * Returns 0 on success. |
| */ |
| int mmc_set_part_conf(struct mmc *mmc, u8 ack, u8 part_num, u8 access) |
| { |
| int err; |
| |
| err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_PART_CONF, |
| EXT_CSD_BOOT_ACK(ack) | |
| EXT_CSD_BOOT_PART_NUM(part_num) | |
| EXT_CSD_PARTITION_ACCESS(access)); |
| |
| if (err) |
| return err; |
| return 0; |
| } |
| |
| /* |
| * Modify EXT_CSD[162] which is RST_n_FUNCTION based on the given value |
| * for enable. Note that this is a write-once field for non-zero values. |
| * |
| * Returns 0 on success. |
| */ |
| int mmc_set_rst_n_function(struct mmc *mmc, u8 enable) |
| { |
| return mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_RST_N_FUNCTION, |
| enable); |
| } |
| #endif |
| |
| int mmc_key_read(unsigned char *buf, unsigned int size, uint32_t *actual_lenth) |
| { |
| ulong start, start_blk, blkcnt, ret; |
| int dev = EMMC_DTB_DEV; |
| unsigned char *temp_buf = buf; |
| struct partitions * part = NULL; |
| struct virtual_partition *vpart = NULL; |
| vpart = aml_get_virtual_partition_by_name(MMC_KEY_NAME); |
| part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| |
| *actual_lenth = 0x40000;/*key size is 256KB*/ |
| start = part->offset + vpart->offset; |
| start_blk = (start / MMC_BLOCK_SIZE); |
| blkcnt = (size / MMC_BLOCK_SIZE); |
| info_disprotect |= DISPROTECT_KEY; |
| ret = mmc_bread(dev, start_blk, blkcnt, temp_buf); |
| info_disprotect &= ~DISPROTECT_KEY; |
| if (ret != blkcnt) { |
| printf("[%s] %d, mmc_bread error\n", |
| __func__, __LINE__); |
| return 1; |
| } |
| return 0; |
| } |
| |
| extern ulong mmc_bwrite(int dev_num, lbaint_t start, |
| lbaint_t blkcnt, const void *src); |
| int mmc_key_write(unsigned char *buf, unsigned int size, uint32_t *actual_lenth) |
| { |
| ulong start, start_blk, blkcnt, ret; |
| unsigned char * temp_buf = buf; |
| int i = 2, dev = EMMC_DTB_DEV; |
| struct partitions * part = NULL; |
| struct virtual_partition *vpart = NULL; |
| vpart = aml_get_virtual_partition_by_name(MMC_KEY_NAME); |
| part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| |
| start = part->offset + vpart->offset; |
| start_blk = (start / MMC_BLOCK_SIZE); |
| blkcnt = (size / MMC_BLOCK_SIZE); |
| info_disprotect |= DISPROTECT_KEY; |
| do { |
| ret = mmc_bwrite(dev, start_blk, blkcnt, temp_buf); |
| if (ret != blkcnt) { |
| printf("[%s] %d, mmc_bwrite error\n", |
| __func__, __LINE__); |
| return 1; |
| } |
| start_blk += vpart->size / MMC_BLOCK_SIZE; |
| } while (--i); |
| info_disprotect &= ~DISPROTECT_KEY; |
| return 0; |
| } |
| |
| extern unsigned long mmc_berase(int dev_num, |
| lbaint_t start, lbaint_t blkcnt); |
| int mmc_key_erase(void) |
| { |
| ulong start, start_blk, blkcnt, ret; |
| struct partitions * part = NULL; |
| struct virtual_partition *vpart = NULL; |
| vpart = aml_get_virtual_partition_by_name(MMC_KEY_NAME); |
| part = aml_get_partition_by_name(MMC_RESERVED_NAME); |
| int dev = EMMC_DTB_DEV; |
| |
| start = part->offset + vpart->offset; |
| start_blk = (start / MMC_BLOCK_SIZE); |
| blkcnt = (vpart->size / MMC_BLOCK_SIZE) * 2;//key and backup key |
| info_disprotect |= DISPROTECT_KEY; |
| ret = mmc_berase(dev, start_blk, blkcnt); |
| info_disprotect &= ~DISPROTECT_KEY; |
| if (ret) { |
| printf("[%s] %d mmc_berase error\n", |
| __func__, __LINE__); |
| return 1; |
| } |
| return 0; |
| } |