mtk-lk/platform/mt6580/mmc_core.c

/* Copyright Statement:
 *
 * This software/firmware and related documentation ("MediaTek Software") are
 * protected under relevant copyright laws. The information contained herein is
 * confidential and proprietary to MediaTek Inc. and/or its licensors. Without
 * the prior written permission of MediaTek inc. and/or its licensors, any
 * reproduction, modification, use or disclosure of MediaTek Software, and
 * information contained herein, in whole or in part, shall be strictly
 * prohibited.
 *
 * MediaTek Inc. (C) 2010. All rights reserved.
 *
 * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
 * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
 * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER
 * ON AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL
 * WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NONINFRINGEMENT. NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH
 * RESPECT TO THE SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY,
 * INCORPORATED IN, OR SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES
 * TO LOOK ONLY TO SUCH THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO.
 * RECEIVER EXPRESSLY ACKNOWLEDGES THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO
 * OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES CONTAINED IN MEDIATEK
 * SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE
 * RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
 * STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S
 * ENTIRE AND CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE
 * RELEASED HEREUNDER WILL BE, AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE
 * MEDIATEK SOFTWARE AT ISSUE, OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE
 * CHARGE PAID BY RECEIVER TO MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
 *
 * The following software/firmware and/or related documentation ("MediaTek
 * Software") have been modified by MediaTek Inc. All revisions are subject to
 * any receiver's applicable license agreements with MediaTek Inc.
 */

/*=======================================================================*/
/* HEADER FILES                                                          */
/*=======================================================================*/
#include "msdc.h"

#define NR_MMC             (MSDC_MAX_NUM)
//#define ARRAY_SIZE(x)      (sizeof(x) / sizeof((x)[0]))

static struct mmc_host sd_host[NR_MMC];
static struct mmc_card sd_card[NR_MMC];

static const unsigned int tran_exp[] = {
    10000,      100000,     1000000,    10000000,
    0,      0,      0,      0
};

static const unsigned char tran_mant[] = {
    0,  10, 12, 13, 15, 20, 25, 30,
    35, 40, 45, 50, 55, 60, 70, 80,
};

static const unsigned char mmc_tran_mant[] = {
    0,  10, 12, 13, 15, 20, 26, 30,
    35, 40, 45, 52, 55, 60, 70, 80,
};

static const unsigned int tacc_exp[] = {
    1,  10, 100,    1000,   10000,  100000, 1000000, 10000000,
};

static const unsigned int tacc_mant[] = {
    0,  10, 12, 13, 15, 20, 25, 30,
    35, 40, 45, 50, 55, 60, 70, 80,
};

static u32 unstuff_bits(u32 *resp, u32 start, u32 size)
{
    const u32 __mask = (1 << (size)) - 1;
    const int __off = 3 - ((start) / 32);
    const int __shft = (start) & 31;
    u32 __res;

    __res = resp[__off] >> __shft;
    if ((size) + __shft >= 32)
        __res |= resp[__off-1] << (32 - __shft);
    return __res & __mask;
}


#ifdef MMC_PROFILING
static void mmc_prof_card_init(void *data, ulong id, ulong counts)
{
    int err = (int)data;
    if (!err) {
        MSG(ERR, "[SD%d] Init Card, %d counts, %d us\n",
            id, counts, counts * 30 + counts * 16960 / 32768);
    }
}

static void mmc_prof_read(void *data, ulong id, ulong counts)
{
    struct mmc_op_perf *perf = (struct mmc_op_perf *)data;
    struct mmc_op_report *rpt;
    u32 blksz = perf->host->blklen;
    u32 blkcnt = (u32)id;

    if (blkcnt > 1)
        rpt = &perf->multi_blks_read;
    else
        rpt = &perf->single_blk_read;

    rpt->count++;
    rpt->total_size += blkcnt * blksz;
    rpt->total_time += counts;
    if ((counts < rpt->min_time) || (rpt->min_time == 0))
        rpt->min_time = counts;
    if ((counts > rpt->max_time) || (rpt->max_time == 0))
        rpt->max_time = counts;

    MSG(INF, "[SD%d] Read %d bytes, %d counts, %d us, %d KB/s, Avg: %d KB/s\n",
        perf->host->id, blkcnt * blksz, counts,
        counts * 30 + counts * 16960 / 32768,
        blkcnt * blksz * 32 / (counts ? counts : 1),
        ((rpt->total_size / 1024) * 32768) / rpt->total_time);
}

static void mmc_prof_write(void *data, ulong id, ulong counts)
{
    struct mmc_op_perf *perf = (struct mmc_op_perf *)data;
    struct mmc_op_report *rpt;
    u32 blksz = perf->host->blklen;
    u32 blkcnt = (u32)id;

    if (blkcnt > 1)
        rpt = &perf->multi_blks_write;
    else
        rpt = &perf->single_blk_write;

    rpt->count++;
    rpt->total_size += blkcnt * blksz;
    rpt->total_time += counts;
    if ((counts < rpt->min_time) || (rpt->min_time == 0))
        rpt->min_time = counts;
    if ((counts > rpt->max_time) || (rpt->max_time == 0))
        rpt->max_time = counts;

    MSG(INF, "[SD%d] Write %d bytes, %d counts, %d us, %d KB/s, Avg: %d KB/s\n",
        perf->host->id, blkcnt * blksz, counts,
        counts * 30 + counts * 16960 / 32768,
        blkcnt * blksz * 32 / (counts ? counts : 1),
        ((rpt->total_size / 1024) * 32768) / rpt->total_time);
}
#endif

#if MMC_DEBUG
void mmc_dump_card_status(u32 card_status)
{
    msdc_dump_card_status(card_status);
}

static void mmc_dump_ocr_reg(u32 resp)
{
    msdc_dump_ocr_reg(resp);
}

static void mmc_dump_rca_resp(u32 resp)
{
    msdc_dump_rca_resp(resp);
}

static void mmc_dump_tuning_blk(u8 *buf)
{
    int i;
    for (i = 0; i < 16; i++) {
        MSG(INF, "[TBLK%d] %x%x%x%x%x%x%x%x\n", i,
            (buf[(i<<2)] >> 4) & 0xF, buf[(i<<2)] & 0xF,
            (buf[(i<<2)+1] >> 4) & 0xF, buf[(i<<2)+1] & 0xF,
            (buf[(i<<2)+2] >> 4) & 0xF, buf[(i<<2)+2] & 0xF,
            (buf[(i<<2)+3] >> 4) & 0xF, buf[(i<<2)+3] & 0xF);
    }
}

static void mmc_dump_csd(struct mmc_card *card)
{
    struct mmc_csd *csd = &card->csd;
    u32 *resp = card->raw_csd;
    int i;
    unsigned int csd_struct;
    static char *sd_csd_ver[] = {"v1.0", "v2.0"};
    static char *mmc_csd_ver[] = {"v1.0", "v1.1", "v1.2", "Ver. in EXT_CSD"};
    static char *mmc_cmd_cls[] = {"basic", "stream read", "block read",
        "stream write", "block write", "erase", "write prot", "lock card",
        "app-spec", "I/O", "rsv.", "rsv."};
    static char *sd_cmd_cls[] = {"basic", "rsv.", "block read",
        "rsv.", "block write", "erase", "write prot", "lock card",
        "app-spec", "I/O", "switch", "rsv."};

    if (mmc_card_sd(card)) {
        csd_struct = unstuff_bits(resp, 126, 2);
        MSG(INF, "[CSD] CSD %s\n", sd_csd_ver[csd_struct]);
        MSG(INF, "[CSD] TACC_NS: %d ns, TACC_CLKS: %d clks\n", csd->tacc_ns, csd->tacc_clks);
        if (csd_struct == 1) {
            MSG(INF, "[CSD] Read/Write Blk Len = 512bytes\n");
        } else {
            MSG(INF, "[CSD] Read Blk Len = %d, Write Blk Len = %d\n",
                1 << csd->read_blkbits, 1 << csd->write_blkbits);
        }
        MSG(INF, "[CSD] CMD Class:");
        for (i = 0; i < 12; i++) {
            if ((csd->cmdclass >> i) & 0x1)
                MSG(INF, "'%s' ", sd_cmd_cls[i]);
        }
        MSG(INF, "\n");
    } else {
        csd_struct = unstuff_bits(resp, 126, 2);
        MSG(INF, "[CSD] CSD %s\n", mmc_csd_ver[csd_struct]);
        MSG(INF, "[CSD] MMCA Spec v%d\n", csd->mmca_vsn);
        MSG(INF, "[CSD] TACC_NS: %d ns, TACC_CLKS: %d clks\n", csd->tacc_ns, csd->tacc_clks);
        MSG(INF, "[CSD] Read Blk Len = %d, Write Blk Len = %d\n",
            1 << csd->read_blkbits, 1 << csd->write_blkbits);
        MSG(INF, "[CSD] CMD Class:");
        for (i = 0; i < 12; i++) {
            if ((csd->cmdclass >> i) & 0x1)
                MSG(INF, "'%s' ", mmc_cmd_cls[i]);
        }
        MSG(INF, "\n");
    }
}

void mmc_dump_ext_csd(struct mmc_card *card)
{
    u8 *ext_csd = &card->raw_ext_csd[0];
    u32 tmp;
    char *rev[] = {"4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0", "5.1"};

    MSG(INF, "===========================================================\n");
    MSG(INF, "[EXT_CSD] EXT_CSD rev.              : v1.%d (MMCv%s)\n",
        ext_csd[EXT_CSD_REV], rev[ext_csd[EXT_CSD_REV]]);
    MSG(INF, "[EXT_CSD] CSD struct rev.           : v1.%d\n", ext_csd[EXT_CSD_STRUCT]);
    MSG(INF, "[EXT_CSD] Supported command sets    : %xh\n", ext_csd[EXT_CSD_S_CMD_SET]);
    MSG(INF, "[EXT_CSD] HPI features              : %xh\n", ext_csd[EXT_CSD_HPI_FEATURE]);
    MSG(INF, "[EXT_CSD] BG operations support     : %xh\n", ext_csd[EXT_CSD_BKOPS_SUPP]);
    MSG(INF, "[EXT_CSD] BG operations status      : %xh\n", ext_csd[EXT_CSD_BKOPS_STATUS]);
    memcpy(&tmp, &ext_csd[EXT_CSD_CORRECT_PRG_SECTS_NUM], 4);
    MSG(INF, "[EXT_CSD] Correct prg. sectors      : %xh\n", tmp);
    MSG(INF, "[EXT_CSD] 1st init time after part. : %d ms\n", ext_csd[EXT_CSD_INI_TIMEOUT_AP] * 100);
    MSG(INF, "[EXT_CSD] Min. write perf.(DDR,52MH,8b): %xh\n", ext_csd[EXT_CSD_MIN_PERF_DDR_W_8_52]);
    MSG(INF, "[EXT_CSD] Min. read perf. (DDR,52MH,8b): %xh\n", ext_csd[EXT_CSD_MIN_PERF_DDR_R_8_52]);
    MSG(INF, "[EXT_CSD] TRIM timeout: %d ms\n", ext_csd[EXT_CSD_TRIM_MULT] & 0xFF * 300);
    MSG(INF, "[EXT_CSD] Secure feature support: %xh\n", ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT]);
    MSG(INF, "[EXT_CSD] Secure erase timeout  : %d ms\n", 300 *
        ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT] * ext_csd[EXT_CSD_SEC_ERASE_MULT]);
    MSG(INF, "[EXT_CSD] Secure trim timeout   : %d ms\n", 300 *
        ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT] * ext_csd[EXT_CSD_SEC_TRIM_MULT]);
    MSG(INF, "[EXT_CSD] Access size           : %d bytes\n", ext_csd[EXT_CSD_ACC_SIZE] * 512);
    MSG(INF, "[EXT_CSD] HC erase unit size    : %d kbytes\n", ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * 512);
    MSG(INF, "[EXT_CSD] HC erase timeout      : %d ms\n", ext_csd[EXT_CSD_ERASE_TIMEOUT_MULT] * 300);
    MSG(INF, "[EXT_CSD] HC write prot grp size: %d kbytes\n", 512 *
        ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * ext_csd[EXT_CSD_HC_WP_GPR_SIZE]);
    MSG(INF, "[EXT_CSD] HC erase grp def.     : %xh\n", ext_csd[EXT_CSD_ERASE_GRP_DEF]);
    MSG(INF, "[EXT_CSD] Reliable write sect count: %xh\n", ext_csd[EXT_CSD_REL_WR_SEC_C]);
    MSG(INF, "[EXT_CSD] Sleep current (VCC) : %xh\n", ext_csd[EXT_CSD_S_C_VCC]);
    MSG(INF, "[EXT_CSD] Sleep current (VCCQ): %xh\n", ext_csd[EXT_CSD_S_C_VCCQ]);
    MSG(INF, "[EXT_CSD] Sleep/awake timeout : %d ns\n",
        100 * (2 << ext_csd[EXT_CSD_S_A_TIMEOUT]));
    memcpy(&tmp, &ext_csd[EXT_CSD_SEC_CNT], 4);
    MSG(INF, "[EXT_CSD] Sector count : %xh\n", tmp);
    MSG(INF, "[EXT_CSD] Min. WR Perf.  (52MH,8b): %xh\n", ext_csd[EXT_CSD_MIN_PERF_W_8_52]);
    MSG(INF, "[EXT_CSD] Min. Read Perf.(52MH,8b): %xh\n", ext_csd[EXT_CSD_MIN_PERF_R_8_52]);
    MSG(INF, "[EXT_CSD] Min. WR Perf.  (26MH,8b,52MH,4b): %xh\n", ext_csd[EXT_CSD_MIN_PERF_W_8_26_4_25]);
    MSG(INF, "[EXT_CSD] Min. Read Perf.(26MH,8b,52MH,4b): %xh\n", ext_csd[EXT_CSD_MIN_PERF_R_8_26_4_25]);
    MSG(INF, "[EXT_CSD] Min. WR Perf.  (26MH,4b): %xh\n", ext_csd[EXT_CSD_MIN_PERF_W_4_26]);
    MSG(INF, "[EXT_CSD] Min. Read Perf.(26MH,4b): %xh\n", ext_csd[EXT_CSD_MIN_PERF_R_4_26]);
    MSG(INF, "[EXT_CSD] Power class: %x\n", ext_csd[EXT_CSD_PWR_CLASS]);
    MSG(INF, "[EXT_CSD] Power class(DDR,52MH,3.6V): %xh\n", ext_csd[EXT_CSD_PWR_CL_DDR_52_360]);
    MSG(INF, "[EXT_CSD] Power class(DDR,52MH,1.9V): %xh\n", ext_csd[EXT_CSD_PWR_CL_DDR_52_195]);
    MSG(INF, "[EXT_CSD] Power class(26MH,3.6V)    : %xh\n", ext_csd[EXT_CSD_PWR_CL_26_360]);
    MSG(INF, "[EXT_CSD] Power class(52MH,3.6V)    : %xh\n", ext_csd[EXT_CSD_PWR_CL_52_360]);
    MSG(INF, "[EXT_CSD] Power class(26MH,1.9V)    : %xh\n", ext_csd[EXT_CSD_PWR_CL_26_195]);
    MSG(INF, "[EXT_CSD] Power class(52MH,1.9V)    : %xh\n", ext_csd[EXT_CSD_PWR_CL_52_195]);
    MSG(INF, "[EXT_CSD] Part. switch timing    : %xh\n", ext_csd[EXT_CSD_PART_SWITCH_TIME]);
    MSG(INF, "[EXT_CSD] Out-of-INTR busy timing: %xh\n", ext_csd[EXT_CSD_OUT_OF_INTR_TIME]);
    MSG(INF, "[EXT_CSD] Card type       : %xh\n", ext_csd[EXT_CSD_CARD_TYPE]);
    MSG(INF, "[EXT_CSD] Command set     : %xh\n", ext_csd[EXT_CSD_CMD_SET]);
    MSG(INF, "[EXT_CSD] Command set rev.: %xh\n", ext_csd[EXT_CSD_CMD_SET_REV]);
    MSG(INF, "[EXT_CSD] HS timing       : %xh\n", ext_csd[EXT_CSD_HS_TIMING]);
    MSG(INF, "[EXT_CSD] Bus width       : %xh\n", ext_csd[EXT_CSD_BUS_WIDTH]);
    MSG(INF, "[EXT_CSD] Erase memory content : %xh\n", ext_csd[EXT_CSD_ERASED_MEM_CONT]);
    MSG(INF, "[EXT_CSD] Partition config      : %xh\n", ext_csd[EXT_CSD_PART_CFG]);
    MSG(INF, "[EXT_CSD] Boot partition size   : %d kbytes\n", ext_csd[EXT_CSD_BOOT_SIZE_MULT] * 128);
    MSG(INF, "[EXT_CSD] Boot information      : %xh\n", ext_csd[EXT_CSD_BOOT_INFO]);
    MSG(INF, "[EXT_CSD] Boot config protection: %xh\n", ext_csd[EXT_CSD_BOOT_CONFIG_PROT]);
    MSG(INF, "[EXT_CSD] Boot bus width        : %xh\n", ext_csd[EXT_CSD_BOOT_BUS_WIDTH]);
    MSG(INF, "[EXT_CSD] Boot area write prot  : %xh\n", ext_csd[EXT_CSD_BOOT_WP]);
    MSG(INF, "[EXT_CSD] User area write prot  : %xh\n", ext_csd[EXT_CSD_USR_WP]);
    MSG(INF, "[EXT_CSD] FW configuration      : %xh\n", ext_csd[EXT_CSD_FW_CONFIG]);
    MSG(INF, "[EXT_CSD] RPMB size : %d kbytes\n", ext_csd[EXT_CSD_RPMB_SIZE_MULT] * 128);
    MSG(INF, "[EXT_CSD] Write rel. setting  : %xh\n", ext_csd[EXT_CSD_WR_REL_SET]);
    MSG(INF, "[EXT_CSD] Write rel. parameter: %xh\n", ext_csd[EXT_CSD_WR_REL_PARAM]);
    MSG(INF, "[EXT_CSD] Start background ops : %xh\n", ext_csd[EXT_CSD_BKOPS_START]);
    MSG(INF, "[EXT_CSD] Enable background ops: %xh\n", ext_csd[EXT_CSD_BKOPS_EN]);
    MSG(INF, "[EXT_CSD] H/W reset function   : %xh\n", ext_csd[EXT_CSD_RST_N_FUNC]);
    MSG(INF, "[EXT_CSD] HPI management       : %xh\n", ext_csd[EXT_CSD_HPI_MGMT]);
    memcpy(&tmp, &ext_csd[EXT_CSD_MAX_ENH_SIZE_MULT], 4);
    MSG(INF, "[EXT_CSD] Max. enhanced area size : %xh (%d kbytes)\n",
        tmp & 0x00FFFFFF, (tmp & 0x00FFFFFF) * 512 *
        ext_csd[EXT_CSD_HC_WP_GPR_SIZE] * ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]);
    MSG(INF, "[EXT_CSD] Part. support  : %xh\n", ext_csd[EXT_CSD_PART_SUPPORT]);
    MSG(INF, "[EXT_CSD] Part. attribute: %xh\n", ext_csd[EXT_CSD_PART_ATTR]);
    MSG(INF, "[EXT_CSD] Part. setting  : %xh\n", ext_csd[EXT_CSD_PART_SET_COMPL]);
    MSG(INF, "[EXT_CSD] General purpose 1 size : %xh (%d kbytes)\n",
        (ext_csd[EXT_CSD_GP1_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_GP1_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_GP1_SIZE_MULT + 2] << 16),
        (ext_csd[EXT_CSD_GP1_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_GP1_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_GP1_SIZE_MULT + 2] << 16) * 512 *
         ext_csd[EXT_CSD_HC_WP_GPR_SIZE] *
         ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]);
    MSG(INF, "[EXT_CSD] General purpose 2 size : %xh (%d kbytes)\n",
        (ext_csd[EXT_CSD_GP2_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_GP2_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_GP2_SIZE_MULT + 2] << 16),
        (ext_csd[EXT_CSD_GP2_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_GP2_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_GP2_SIZE_MULT + 2] << 16) * 512 *
         ext_csd[EXT_CSD_HC_WP_GPR_SIZE] *
         ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]);
    MSG(INF, "[EXT_CSD] General purpose 3 size : %xh (%d kbytes)\n",
        (ext_csd[EXT_CSD_GP3_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_GP3_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_GP3_SIZE_MULT + 2] << 16),
        (ext_csd[EXT_CSD_GP3_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_GP3_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_GP3_SIZE_MULT + 2] << 16) * 512 *
         ext_csd[EXT_CSD_HC_WP_GPR_SIZE] *
         ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]);
    MSG(INF, "[EXT_CSD] General purpose 4 size : %xh (%d kbytes)\n",
        (ext_csd[EXT_CSD_GP4_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_GP4_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_GP4_SIZE_MULT + 2] << 16),
        (ext_csd[EXT_CSD_GP4_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_GP4_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_GP4_SIZE_MULT + 2] << 16) * 512 *
         ext_csd[EXT_CSD_HC_WP_GPR_SIZE] *
         ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]);
    MSG(INF, "[EXT_CSD] Enh. user area size : %xh (%d kbytes)\n",
        (ext_csd[EXT_CSD_ENH_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_ENH_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_ENH_SIZE_MULT + 2] << 16),
        (ext_csd[EXT_CSD_ENH_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_ENH_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_ENH_SIZE_MULT + 2] << 16) * 512 *
         ext_csd[EXT_CSD_HC_WP_GPR_SIZE] *
         ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]);
    MSG(INF, "[EXT_CSD] Enh. user area start: %xh\n",
        (ext_csd[EXT_CSD_ENH_START_ADDR + 0] |
         ext_csd[EXT_CSD_ENH_START_ADDR + 1] << 8 |
         ext_csd[EXT_CSD_ENH_START_ADDR + 2] << 16 |
         ext_csd[EXT_CSD_ENH_START_ADDR + 3]) << 24);
    MSG(INF, "[EXT_CSD] Bad block mgmt mode: %xh\n", ext_csd[EXT_CSD_BADBLK_MGMT]);
    MSG(INF, "===========================================================\n");
}
#endif

#if defined(FEATURE_MMC_CARD_DETECT)
int mmc_card_avail(struct mmc_host *host)
{
    return msdc_card_avail(host);
}
#endif

#if defined(MMC_MSDC_DRV_CTP)
int mmc_card_protected(struct mmc_host *host)
{
    return msdc_card_protected(host);
}
#endif

struct mmc_host *mmc_get_host(int id)
{
    return &sd_host[id];
}

struct mmc_card *mmc_get_card(int id)
{
    return &sd_card[id];
}

int mmc_cmd(struct mmc_host *host, struct mmc_command *cmd)
{
    int err;
    int retry = cmd->retries;

    do {
        err = msdc_cmd(host, cmd);
        if (err == MMC_ERR_NONE)
            break;

        /* Break retry, just retrun erase seq fail */
        if (err == MMC_ERR_ERASE_SEQ)
            break;
    } while (retry--);

    return err;
}

static int mmc_app_cmd(struct mmc_host *host, struct mmc_command *cmd,
                       u32 rca, int retries)
{
    int err = MMC_ERR_FAILED;
    struct mmc_command appcmd;

    appcmd.opcode  = MMC_CMD_APP_CMD;
    appcmd.arg     = rca << 16;
    appcmd.rsptyp  = RESP_R1;
    appcmd.retries = CMD_RETRIES;
    appcmd.timeout = CMD_TIMEOUT;

    do {
        err = mmc_cmd(host, &appcmd);

        if (err == MMC_ERR_NONE)
            err = mmc_cmd(host, cmd);
        if (err == MMC_ERR_NONE)
            break;
    } while (retries--);

    return err;
}

u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
{
    int bit;

    ocr &= host->ocr_avail;

    bit = uffs(ocr);
    if (bit) {
        bit -= 1;
        ocr &= 3 << bit;
    } else {
        ocr = 0;
    }
    return ocr;
}

int mmc_go_idle(struct mmc_host *host)
{
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_GO_IDLE_STATE;
    cmd.rsptyp  = RESP_NONE;
    cmd.arg     = 0;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(host, &cmd);
}

int mmc_go_irq_state(struct mmc_host *host, struct mmc_card *card)
{
    struct mmc_command cmd;

    if (!(card->csd.cmdclass & CCC_IO_MODE)) {
        MSG(ERR, "[SD%d] Card doesn't support I/O mode for IRQ state\n", host->id);
        return MMC_ERR_FAILED;
    }

    cmd.opcode  = MMC_CMD_GO_IRQ_STATE;
    cmd.rsptyp  = RESP_R5;
    cmd.arg     = 0;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(host, &cmd);
}

static int mmc_go_inactive(struct mmc_host *host, struct mmc_card *card)
{
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_GO_INACTIVE_STATE;
    cmd.rsptyp  = RESP_NONE;
    cmd.arg     = 0;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(host, &cmd);
}

static int mmc_go_pre_idle(struct mmc_host *host, struct mmc_card *card)
{
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_GO_IDLE_STATE;
    cmd.rsptyp  = RESP_NONE;
    cmd.arg     = 0xF0F0F0F0;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(host, &cmd);
}

int mmc_sleep_awake(struct mmc_host *host, struct mmc_card *card, int sleep)
{
    struct mmc_command cmd;
    u32 timeout;

    if (card->raw_ext_csd[EXT_CSD_S_A_TIMEOUT]) {
        timeout = ((1 << card->raw_ext_csd[EXT_CSD_S_A_TIMEOUT]) * 100) / 1000000;
    } else {
        timeout = CMD_TIMEOUT;
    }

    cmd.opcode  = MMC_CMD_SLEEP_AWAKE;
    cmd.rsptyp  = RESP_R1B;
    cmd.arg     = (card->rca << 16) | (sleep << 15);
    cmd.retries = CMD_RETRIES;
    cmd.timeout = timeout;

    return mmc_cmd(host, &cmd);
}


int mmc_send_status(struct mmc_host *host, struct mmc_card *card, u32 *status)
{
    int err;
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_SEND_STATUS;
    cmd.arg     = card->rca << 16;
    cmd.rsptyp  = RESP_R1;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    err = mmc_cmd(host, &cmd);

    if (err == MMC_ERR_NONE) {
        *status = cmd.resp[0];
        #if MMC_DEBUG
        mmc_dump_card_status(*status);
        #endif
    }
    return err;
}

static int mmc_send_if_cond(struct mmc_host *host, u32 ocr)
{
    struct mmc_command cmd;
    int err;
    static const u8 test_pattern = 0xAA;
    u8 result_pattern;

    /*
     * To support SD 2.0 cards, we must always invoke SD_SEND_IF_COND
     * before SD_APP_OP_COND. This command will harmlessly fail for
     * SD 1.0 cards.
     */

    cmd.opcode  = SD_CMD_SEND_IF_COND;
    cmd.arg     = ((ocr & 0xFF8000) != 0) << 8 | test_pattern;
    cmd.rsptyp  = RESP_R1;
    cmd.retries = 0;
    cmd.timeout = CMD_TIMEOUT;

    err = mmc_cmd(host, &cmd);

    if (err != MMC_ERR_NONE)
        return err;

    result_pattern = cmd.resp[0] & 0xFF;

    if (result_pattern != test_pattern)
        return MMC_ERR_INVALID;

    return MMC_ERR_NONE;
}

static int mmc_sd_get_write_blocks(struct mmc_host *host, struct mmc_card *card, u32* num)
{
    u32 base = host->base;
    struct mmc_command cmd;
    int err;
    int result = MMC_ERR_NONE;
    u8 buf[4];

    cmd.opcode  = SD_ACMD_SEND_NR_WR_BLOCKS;
    cmd.arg     = 0;
    cmd.rsptyp  = RESP_R1;
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;

    msdc_reset_tune_counter(host);
    do {
        msdc_set_blknum(host, 1);
        msdc_set_blklen(host, 4);
        msdc_set_timeout(host, 100000000, 0);

        MSDC_SET_BIT32(MSDC_CFG, MSDC_CFG_PIO);

        err = mmc_app_cmd(host, &cmd, card->rca, CMD_RETRIES);
        if (err != MMC_ERR_NONE)
            return err;

        /* 32bits = 4 byte */
        err = msdc_pio_read(host, (u32*)buf, 4);

        if (err != MMC_ERR_NONE){
            msdc_abort_handler(host, 1);
            result = msdc_tune_read(host);
        }
    } while (err && (result != MMC_ERR_READTUNEFAIL));
    msdc_reset_tune_counter(host);

    msdc_set_blklen(host, 512);
    if (err != MMC_ERR_NONE){
        return err;
    }

    *num = buf[3] | buf[2] << 8 | buf[1] << 16 | buf[0] << 24;

    return MMC_ERR_NONE;
}

static int mmc_send_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
{
    struct mmc_command cmd;
    int i, err = 0;

    cmd.opcode  = MMC_CMD_SEND_OP_COND;
    cmd.arg     = ocr;
    cmd.rsptyp  = RESP_R3;
    cmd.retries = 0;
    cmd.timeout = CMD_TIMEOUT;

    for (i = 100; i; i--) {
        err = mmc_cmd(host, &cmd);
        if (err)
            break;

        /* if we're just probing, do a single pass */
        if (ocr == 0)
            break;

        if (cmd.resp[0] & MMC_CARD_BUSY)
            break;

        err = MMC_ERR_TIMEOUT;

        mdelay(10);
    }

    if (!err && rocr)
        *rocr = cmd.resp[0];

    return err;
}

static int mmc_send_app_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
{
    struct mmc_command cmd;
    int i, err = 0;

    cmd.opcode  = SD_ACMD_SEND_OP_COND;
    cmd.arg     = ocr;
    cmd.rsptyp  = RESP_R3;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    for (i = 100; i; i--) {
        err = mmc_app_cmd(host, &cmd, 0, CMD_RETRIES);
        if (err != MMC_ERR_NONE)
            break;

        if (cmd.resp[0] & MMC_CARD_BUSY || ocr == 0)
            break;

        err = MMC_ERR_TIMEOUT;

        mdelay(10);
    }

    if (rocr)
        *rocr = cmd.resp[0];

    return err;
}

static int mmc_all_send_cid(struct mmc_host *host, u32 *cid)
{
    int err;
    struct mmc_command cmd;

    /* send cid */
    cmd.opcode  = MMC_CMD_ALL_SEND_CID;
    cmd.arg     = 0;
    cmd.rsptyp  = RESP_R2;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    err = mmc_cmd(host, &cmd);

    if (err != MMC_ERR_NONE)
        return err;

    memcpy(cid, cmd.resp, sizeof(u32) * 4);

    return MMC_ERR_NONE;
}

/* code size add 1KB*/
static void mmc_decode_cid(struct mmc_card *card)
{
    u32 *resp = card->raw_cid;

    memset(&card->cid, 0, sizeof(struct mmc_cid));

    card->cid.prod_name[4]    = unstuff_bits(resp, 64, 8);
    card->cid.prod_name[3]    = unstuff_bits(resp, 72, 8);
    card->cid.prod_name[2]    = unstuff_bits(resp, 80, 8);
    card->cid.prod_name[1]    = unstuff_bits(resp, 88, 8);
    card->cid.prod_name[0]    = unstuff_bits(resp, 96, 8);

    if (mmc_card_sd(card)) {
        /*
         * SD doesn't currently have a version field so we will
         * have to assume we can parse this.
         */
        card->cid.month         = unstuff_bits(resp, 8, 4);
        card->cid.year          = unstuff_bits(resp, 12, 8);
        card->cid.serial        = unstuff_bits(resp, 24, 32);
        card->cid.fwrev         = unstuff_bits(resp, 56, 4);
        card->cid.hwrev         = unstuff_bits(resp, 60, 4);
        card->cid.oemid         = unstuff_bits(resp, 104, 16);
        card->cid.manfid        = unstuff_bits(resp, 120, 8);

        card->cid.year += 2000; /* SD cards year offset */
    } else {
        /*
         * The selection of the format here is based upon published
         * specs from sandisk and from what people have reported.
         */
        card->cid.year          = unstuff_bits(resp, 8, 4) + 1997;
        card->cid.month         = unstuff_bits(resp, 12, 4);
        card->cid.prod_name[5]  = unstuff_bits(resp, 56, 8);

        switch (card->csd.mmca_vsn) {
        case 0: /* MMC v1.0 - v1.2 */
        case 1: /* MMC v1.4 */
            card->cid.serial        = unstuff_bits(resp, 16, 24);
            card->cid.fwrev         = unstuff_bits(resp, 40, 4);
            card->cid.hwrev         = unstuff_bits(resp, 44, 4);
            card->cid.prod_name[6]  = unstuff_bits(resp, 48, 8);
            card->cid.manfid        = unstuff_bits(resp, 104, 24);
            break;

        case 2: /* MMC v2.0 - v2.2 */
        case 3: /* MMC v3.1 - v3.3 */
        case 4: /* MMC v4 */
            card->cid.serial        = unstuff_bits(resp, 16, 32);
            card->cid.oemid         = unstuff_bits(resp, 104, 16);
            //card->cid.cbx           = unstuff_bits(resp, 112, 2);
            card->cid.manfid        = unstuff_bits(resp, 120, 8);
            break;

        default:
            MSG(ERR, "[SD%d] Unknown MMCA version %d\n",
                mmc_card_id(card), card->csd.mmca_vsn);
            break;
        }
    }
}


static int mmc_decode_csd(struct mmc_card *card)
{
    struct mmc_csd *csd = &card->csd;
    unsigned int e, m, csd_struct;
    u32 *resp = card->raw_csd;

    /* common part; some part are updated later according to spec. */
    csd_struct = unstuff_bits(resp, 126, 2);
    csd->csd_struct = csd_struct;

    /* For MMC
     * We only understand CSD structure v1.1 and v1.2.
     * v1.2 has extra information in bits 15, 11 and 10.
     */
    if ( ( mmc_card_mmc(card) &&
           ( csd_struct != CSD_STRUCT_VER_1_0 && csd_struct != CSD_STRUCT_VER_1_1
            && csd_struct != CSD_STRUCT_VER_1_2 && csd_struct != CSD_STRUCT_EXT_CSD )
         ) ||
         ( mmc_card_sd(card) && ( csd_struct != 0 && csd_struct!=1 ) )
         )
    {
        MSG(ERR, "[SD%d] Unknown CSD ver %d\n", mmc_card_id(card), csd_struct);
        return MMC_ERR_INVALID;
    }

    m = unstuff_bits(resp, 99, 4);
    e = unstuff_bits(resp, 96, 3);
    csd->max_dtr      = tran_exp[e] * tran_mant[m];

    /* update later according to spec. */
    csd->read_blkbits = unstuff_bits(resp, 80, 4);

    #if !defined(FEATURE_MMC_SLIM)
    csd->cmdclass     = unstuff_bits(resp, 84, 12);
    csd->read_partial = unstuff_bits(resp, 79, 1);
    csd->write_misalign = unstuff_bits(resp, 78, 1);
    csd->read_misalign = unstuff_bits(resp, 77, 1);
    csd->dsr = unstuff_bits(resp, 76, 1);
    csd->write_prot_grpsz = unstuff_bits(resp, 32, 7);
    csd->write_prot_grp = unstuff_bits(resp, 31, 1);
    csd->r2w_factor = unstuff_bits(resp, 26, 3);
    csd->write_blkbits = unstuff_bits(resp, 22, 4);
    csd->write_partial = unstuff_bits(resp, 21, 1);
    csd->copy = unstuff_bits(resp, 14, 1);
    csd->perm_wr_prot = unstuff_bits(resp, 13, 1);
    csd->tmp_wr_prot = unstuff_bits(resp, 12, 1);

    m = unstuff_bits(resp, 115, 4);
    e = unstuff_bits(resp, 112, 3);
    csd->tacc_ns     = (tacc_exp[e] * tacc_mant[m] + 9) / 10;
    csd->tacc_clks   = unstuff_bits(resp, 104, 8) * 100;
    #endif

    e = unstuff_bits(resp, 47, 3);
    m = unstuff_bits(resp, 62, 12);
    csd->capacity     = (1 + m) << (e + 2);

    //Specific part
    if (mmc_card_sd(card)) {
        #if !defined(FEATURE_MMC_SLIM)
        csd->erase_blk_en = unstuff_bits(resp, 46, 1);
        csd->erase_sctsz = unstuff_bits(resp, 39, 7) + 1;
        #endif

        switch (csd_struct) {
            case 0:
                break;
            case 1:
                /*
                 * This is a block-addressed SDHC card. Most
                 * interesting fields are unused and have fixed
                 * values. To avoid getting tripped by buggy cards,
                 * we assume those fixed values ourselves.
                 */
                mmc_card_set_blockaddr(card);

                m = unstuff_bits(resp, 48, 22);
                csd->capacity     = (1 + m) << 10;

                csd->read_blkbits = 9;

                #if !defined(FEATURE_MMC_SLIM)
                csd->tacc_ns     = 0; /* Unused */
                csd->tacc_clks   = 0; /* Unused */
                csd->read_partial = 0;
                csd->write_misalign = 0;
                csd->read_misalign = 0;
                csd->r2w_factor = 4; /* Unused */
                csd->write_blkbits = 9;
                csd->write_partial = 0;
                #endif
                break;
        }
    } else {
        csd->mmca_vsn    = unstuff_bits(resp, 122, 4);
        #if !defined(FEATURE_MMC_SLIM)
        csd->write_prot_grpsz = unstuff_bits(resp, 32, 5);
        csd->erase_sctsz = (unstuff_bits(resp, 42, 5) + 1) * (unstuff_bits(resp, 37, 5) + 1);
        #endif
    }

#if MMC_DEBUG
    mmc_dump_csd(card);
#endif

    return 0;
}

static void mmc_decode_ext_csd(struct mmc_card *card)
{
    u8 *ext_csd = &card->raw_ext_csd[0];

    card->ext_csd.sectors =
        ext_csd[EXT_CSD_SEC_CNT + 0] << 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;

#if !defined(FEATURE_MMC_SLIM)
    card->ext_csd.rev = ext_csd[EXT_CSD_REV];
    card->ext_csd.hc_erase_grp_sz = ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * 512 * 1024;
    card->ext_csd.hc_wp_grp_sz = ext_csd[EXT_CSD_HC_WP_GPR_SIZE] * ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * 512 * 1024;
    card->ext_csd.trim_tmo_ms = ext_csd[EXT_CSD_TRIM_MULT] * 300;
    card->ext_csd.boot_info   = ext_csd[EXT_CSD_BOOT_INFO];
    card->ext_csd.boot_part_sz = ext_csd[EXT_CSD_BOOT_SIZE_MULT] * 128 * 1024;
    card->ext_csd.access_sz = (ext_csd[EXT_CSD_ACC_SIZE] & 0xf) * 512;
    card->ext_csd.rpmb_sz = ext_csd[EXT_CSD_RPMB_SIZE_MULT] * 128 * 1024;
    card->ext_csd.erased_mem_cont = ext_csd[EXT_CSD_ERASED_MEM_CONT];
    card->ext_csd.part_en = ext_csd[EXT_CSD_PART_SUPPORT] & EXT_CSD_PART_SUPPORT_PART_EN ? 1 : 0;
    card->ext_csd.enh_attr_en = ext_csd[EXT_CSD_PART_SUPPORT] & EXT_CSD_PART_SUPPORT_ENH_ATTR_EN ? 1 : 0;
    card->ext_csd.enh_start_addr =
        (ext_csd[EXT_CSD_ENH_START_ADDR + 0] |
         ext_csd[EXT_CSD_ENH_START_ADDR + 1] << 8 |
         ext_csd[EXT_CSD_ENH_START_ADDR + 2] << 16 |
         ext_csd[EXT_CSD_ENH_START_ADDR + 3] << 24);
    card->ext_csd.enh_sz =
        (ext_csd[EXT_CSD_ENH_SIZE_MULT + 0] |
         ext_csd[EXT_CSD_ENH_SIZE_MULT + 1] << 8 |
         ext_csd[EXT_CSD_ENH_SIZE_MULT + 2] << 16) * 512 * 1024 *
         ext_csd[EXT_CSD_HC_WP_GPR_SIZE] * ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE];
#endif

    if (card->ext_csd.sectors)
           mmc_card_set_blockaddr(card);

    card->ext_csd.hs_max_dtr = 0;
    if ((ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_HS400_1_2V) ||
        (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_HS400_1_8V)){
        card->ext_csd.hs_max_dtr = 200000000;
        card->ext_csd.ddr_support = 1;
        card->version = EMMC_VER_50;
    }else if ((ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_HS200_1_2V) ||
        (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_HS200_1_8V)) {
        card->ext_csd.hs_max_dtr = 200000000;
        if ((ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_DDR_52_1_2V) ||
               (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_DDR_52)){
            card->ext_csd.ddr_support = 1;
        }
        card->version = EMMC_VER_45;
    } else if ((ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_DDR_52_1_2V) ||
               (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_DDR_52)) {
        card->ext_csd.ddr_support = 1;
        card->ext_csd.hs_max_dtr = 52000000;
        card->version = EMMC_VER_44;
    } else if (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_52) {
        card->ext_csd.hs_max_dtr = 52000000;
        card->version = EMMC_VER_43;
    } else if ((ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_26)) {
        card->ext_csd.hs_max_dtr = 26000000;
        card->version = EMMC_VER_42;
    } else {
        /* MMC v4 spec says this cannot happen */
        MSG(ERR, "[SD%d] MMCv4 but HS unsupported\n", card->host->id);
    }

#ifdef MTK_EMMC_POWER_ON_WP
    card->ext_csd.usr_wp = ext_csd[EXT_CSD_USR_WP];
    card->ext_csd.boot_wp = ext_csd[EXT_CSD_BOOT_WP];

    if (ext_csd[EXT_CSD_ERASE_GRP_DEF] & EXT_CSD_ERASE_GRP_DEF_EN) {
        card->wp_size = card->ext_csd.hc_wp_grp_sz >> 9; /* blocks */
        MSG(INF, "EXT_CSD_ERASE_GRP_DEF is On, wp_size = %d MB\n", card->wp_size >> 11);
    } else {
        card->wp_size =(card->csd.write_prot_grpsz+1) * card->csd.erase_sctsz;
        MSG(INF, "EXT_CSD_ERASE_GRP_DEF is Off, wp_size = %d MB, csd.write_prot_grpsz = %d,csd.erase_sctsz = %d\n",
            card->wp_size >> 11, card->csd.write_prot_grpsz, card->csd.erase_sctsz);
    }
    MSG(INF, "[%s]: mmc_set_wp_size %dMB\n", __func__, card->wp_size >> 11);
#endif

#if MMC_DEBUG
    mmc_dump_ext_csd(card);
#endif
    return;
}

//Note: 1. Neither preloader or LK define this function
#if defined(MMC_MSDC_DRV_CTP)
int mmc_deselect_all_card(struct mmc_host *host)
{
    int err;
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_SELECT_CARD;
    cmd.arg     = 0;
    cmd.rsptyp  = RESP_NONE;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    err = mmc_cmd(host, &cmd);

    return err;
}
#endif

int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
{
    int err;
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_SELECT_CARD;
    cmd.arg     = card->rca << 16;
    cmd.rsptyp  = RESP_R1B;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    err = mmc_cmd(host, &cmd);

    return err;
}

int mmc_send_relative_addr(struct mmc_host *host, struct mmc_card *card, unsigned int *rca)
{
    int err;
    struct mmc_command cmd;

    memset(&cmd, 0, sizeof(struct mmc_command));

    if (mmc_card_mmc(card)) { /* set rca */
        cmd.opcode  = MMC_CMD_SET_RELATIVE_ADDR;
        cmd.arg     = *rca << 16;
        cmd.rsptyp  = RESP_R1;
        cmd.retries = CMD_RETRIES;
        cmd.timeout = CMD_TIMEOUT;
    } else {  /* send rca */
        cmd.opcode  = SD_CMD_SEND_RELATIVE_ADDR;
        cmd.arg     = 0;
        cmd.rsptyp  = RESP_R6;
        cmd.retries = CMD_RETRIES;
        cmd.timeout = CMD_TIMEOUT;
    }
    err = mmc_cmd(host, &cmd);
    if ((err == MMC_ERR_NONE) && !mmc_card_mmc(card))
        *rca = cmd.resp[0] >> 16;

    return err;
}

int mmc_send_tuning_blk(struct mmc_host *host, struct mmc_card *card, u32 *buf)
{
    int err;
    struct mmc_command cmd;

    cmd.opcode  = SD_CMD_SEND_TUNING_BLOCK;
    cmd.arg     = 0;
    cmd.rsptyp  = RESP_R1;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    msdc_set_blknum(host, 1);
    msdc_set_blklen(host, 64);
    msdc_set_timeout(host, 100000000, 0);
    err = mmc_cmd(host, &cmd);
    if (err != MMC_ERR_NONE)
        goto out;

    err = msdc_pio_read(host, buf, 64);
    if (err != MMC_ERR_NONE)
        goto out;

    #if MMC_DEBUG
    mmc_dump_tuning_blk((u8*)buf);
    #endif

out:
    return err;
}

int mmc_switch(struct mmc_host *host, struct mmc_card *card,
               u8 set, u8 index, u8 value)
{
    int err;
    u32 status = 0;
    uint count = 0;
    struct mmc_command cmd;

    cmd.opcode = MMC_CMD_SWITCH;
    cmd.arg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) |
        (index << 16) | (value << 8) | set;
    cmd.rsptyp = RESP_R1B;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    err = mmc_cmd(host, &cmd);

    if (err != MMC_ERR_NONE)
        return err;

    do {
        err = mmc_send_status(host, card, &status);
        if (err) {
            MSG(ERR, "[SD%d] Fail to send status %d\n", host->id, err);
            break;
        }
        if (status & R1_SWITCH_ERROR) {
            MSG(ERR, "[SD%d] switch error. arg(0x%x)\n", host->id, cmd.arg);
            return MMC_ERR_FAILED;
        }
        if (count++ >= 600000)
        {
            MSG(ERR, "[%s]: timeout happend, count=%d, status=0x%x\n", __func__, count, status);
            break;
        }

    } while (!(status & R1_READY_FOR_DATA) || (R1_CURRENT_STATE(status) == 7));

    return err;
}

static int mmc_sd_switch(struct mmc_host *host,
                         struct mmc_card *card,
                         int mode, int group, u8 value, mmc_switch_t *resp)
{
    int err = MMC_ERR_FAILED;
    int result = 0;
    struct mmc_command cmd;
    u32 *sts = (u32 *)resp;

    mode = !!mode;
    value &= 0xF;

    /* argument: mode[31]= 0 (for check func.) and 1 (for switch func) */
    cmd.opcode = SD_CMD_SWITCH;
    cmd.arg = mode << 31 | 0x00FFFFFF;
    cmd.arg &= ~(0xF << (group * 4));
    cmd.arg |= value << (group * 4);
    cmd.rsptyp = RESP_R1;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = 100;  /* 100ms */

#if defined(FEATURE_MMC_RD_TUNING)
    //Note: 1. CTP does not perform tuning

    msdc_reset_tune_counter(host);
    do{
#endif
        msdc_set_blknum(host, 1);
        msdc_set_blklen(host, 64);
        msdc_set_timeout(host, 100000000, 0);
        err = mmc_cmd(host, &cmd);

        if (err != MMC_ERR_NONE)
            goto out;

        /* 512 bits = 64 bytes = 16 words */
        err = msdc_pio_read(host, sts, 64);
        if (err != MMC_ERR_NONE){
            msdc_abort_handler(host, 1);
            #if defined(FEATURE_MMC_RD_TUNING)
            result = msdc_tune_read(host);
            #else
            goto out;
            #endif
        }
#if defined(FEATURE_MMC_RD_TUNING)
    }while(err && result != MMC_ERR_READTUNEFAIL);
    msdc_reset_tune_counter(host);
#endif

#if MMC_DEBUG
    {
        int i;
        u8 *byte = (u8*)&sts[0];

        /* Status:   B0      B1    ...
         * Bits  : 511-504 503-495 ...
         */

        for (i = 0; i < 4; i++) {
            MSG(RSP, "  [%d-%d] %xh %xh %xh %xh\n",
                ((3 - i + 1) << 7) - 1, (3 - i) << 7,
                sts[(i << 2) + 0], sts[(i << 2) + 1],
                sts[(i << 2) + 2], sts[(i << 2) + 3]);
        }
        for (i = 0; i < 8; i++) {
            MSG(RSP, "  [%d-%d] %xh %xh %xh %xh %xh %xh %xh %xh\n",
                ((8 - i) << 6) - 1, (8 - i - 1) << 6,
                byte[(i << 3) + 0], byte[(i << 3) + 1],
                byte[(i << 3) + 2], byte[(i << 3) + 3],
                byte[(i << 3) + 4], byte[(i << 3) + 5],
                byte[(i << 3) + 6], byte[(i << 3) + 7]);
        }
    }
#endif

out:
    return err;
}

#if defined(FEATURE_MMC_UHS1)
int mmc_ctrl_speed_class(struct mmc_host *host, u32 scc)
{
    struct mmc_command cmd;

    cmd.opcode  = SD_CMD_SPEED_CLASS_CTRL;
    cmd.arg     = scc << 28;
    cmd.rsptyp  = RESP_R1B;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(host, &cmd);
}

int mmc_switch_volt(struct mmc_host *host, struct mmc_card *card)
{
    int err;
    struct mmc_command cmd;


    cmd.opcode  = SD_CMD_VOL_SWITCH;
    cmd.arg     = 0;
    cmd.rsptyp  = RESP_R1;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    err = mmc_cmd(host, &cmd);

    if (err == MMC_ERR_NONE)
        err = msdc_switch_volt(host, MMC_VDD_18_19);

    return err;
}
#endif

int mmc_switch_hs(struct mmc_host *host, struct mmc_card *card)
{
    int err;
    u8  status[64];
    int val = MMC_SWITCH_MODE_SDR25;

    err = mmc_sd_switch(host, card, 1, 0, val, (mmc_switch_t*)&status[0]);

    if (err != MMC_ERR_NONE)
        goto out;

    if ((status[16] & 0xF) != 1) {
        MSG(ERR, "[SD%d] HS mode not supported!\n", host->id);
        err = MMC_ERR_FAILED;
    } else {
        printf("[SD%d] Switch to HS mode!\n", host->id);
        mmc_card_set_highspeed(card);
    }

out:
    return err;
}

#if defined(FEATURE_MMC_UHS1)
int mmc_switch_uhs1(struct mmc_host *host, struct mmc_card *card, unsigned int mode)
{
    int err;
    u8  status[64];
    int val;
    const char *smode[] = { "SDR12", "SDR25", "SDR50", "SDR104", "DDR50" };

    err = mmc_sd_switch(host, card, 1, 0, mode, (mmc_switch_t*)&status[0]);

    if (err != MMC_ERR_NONE)
           goto out;

    if ((status[16] & 0xF) != mode) {
        MSG(ERR, "[SD%d] UHS-1 %s mode not supported!\n", host->id, smode[mode]);
        err = MMC_ERR_FAILED;
    } else {
        card->uhs_mode = mode;
        mmc_card_set_uhs1(card);
        printf("[SD%d] Switch to UHS-1 %s mode!\n", host->id, smode[mode]);
        if (mode == MMC_SWITCH_MODE_DDR50) {
            mmc_card_set_ddr(card);
        }
    }

out:
    return err;
}

int mmc_switch_drv_type(struct mmc_host *host, struct mmc_card *card, int val)
{
    int err;
    u8  status[64];
    const char *type[] = { "TYPE-B", "TYPE-A", "TYPE-C", "TYPE-D" };

    err = mmc_sd_switch(host, card, 1, 2, val, (mmc_switch_t*)&status[0]);

    if (err != MMC_ERR_NONE)
           goto out;

    if ((status[15] & 0xF) != val) {
        MSG(ERR, "[SD%d] UHS-1 %s drv not supported!\n", host->id, type[val]);
        err = MMC_ERR_FAILED;
    } else {
        printf("[SD%d] Switch to UHS-1 %s drv!\n", host->id, type[val]);
    }

out:
    return err;
}

int mmc_switch_max_cur(struct mmc_host *host, struct mmc_card *card, int val)
{
    int err;
    u8  status[64];
    const char *curr[] = { "200mA", "400mA", "600mA", "800mA" };

    err = mmc_sd_switch(host, card, 1, 3, val, (mmc_switch_t*)&status[0]);

    if (err != MMC_ERR_NONE)
           goto out;

    if (((status[15] >> 4) & 0xF) != val) {
        MSG(ERR, "[SD%d] UHS-1 %s max. current not supported!\n", host->id, curr[val]);
        err = MMC_ERR_FAILED;
    } else {
        printf("[SD%d] Switch to UHS-1 %s max. current!\n", host->id, curr[val]);
    }

out:
    return err;
}
#endif

static int mmc_read_csds(struct mmc_host *host, struct mmc_card *card)
{
    int err;
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_SEND_CSD;
    cmd.arg     = card->rca << 16;
    cmd.rsptyp  = RESP_R2;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT * 100;

    err = mmc_cmd(host, &cmd);
    if (err == MMC_ERR_NONE)
        memcpy(&card->raw_csd, &cmd.resp[0], sizeof(u32) * 4);
    return err;
}

#if !defined(FEATURE_MMC_SLIM)
static int mmc_read_scrs(struct mmc_host *host, struct mmc_card *card)
{
    int err = MMC_ERR_NONE;
    int result = MMC_ERR_NONE;
    struct mmc_command cmd;
    struct sd_scr *scr = &card->scr;
    u32 resp[4];
    u32 tmp;
    u8 buf[8];

    msdc_set_blknum(host, 1);
    msdc_set_blklen(host, 8);
    msdc_set_timeout(host, 100000000, 0);

    memset(buf, 0, 8);
    cmd.opcode  = SD_ACMD_SEND_SCR;
    cmd.arg     = 0;
    cmd.rsptyp  = RESP_R1;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;
#if defined(FEATURE_MMC_RD_TUNING)
    msdc_reset_tune_counter(host);
    do{
#endif
        mmc_app_cmd(host, &cmd, card->rca, CMD_RETRIES);
        if ((err != MMC_ERR_NONE) || !(cmd.resp[0] & R1_APP_CMD))
            return MMC_ERR_FAILED;

        /* 8 bytes = 2 words */
        err = msdc_pio_read(host, (u32 *)buf, 8);
        if (err != MMC_ERR_NONE){
            msdc_abort_handler(host, 1);
            #if defined(FEATURE_MMC_RD_TUNING)
            result = msdc_tune_read(host);
            #else
            return err;
            #endif
        }
#if defined(FEATURE_MMC_RD_TUNING)
    } while(err && result != MMC_ERR_READTUNEFAIL);
    msdc_reset_tune_counter(host);
#endif

    if ( (err==MMC_ERR_NONE) && (result != MMC_ERR_READTUNEFAIL) ) {
        memcpy(card->raw_scr, buf, 8);
    }

    MSG(INF, "[SD%d] SCR: %x %x (raw)\n", host->id, card->raw_scr[0], card->raw_scr[1]);

    tmp = ntohl(card->raw_scr[0]);
    card->raw_scr[0] = ntohl(card->raw_scr[1]);
    card->raw_scr[1] = tmp;

    MSG(INF, "[SD%d] SCR: %x %x (ntohl)\n", host->id, card->raw_scr[0], card->raw_scr[1]);

    resp[2] = card->raw_scr[1];
    resp[3] = card->raw_scr[0];

    if (unstuff_bits(resp, 60, 4) != 0) {
        MSG(ERR, "[SD%d] Unknown SCR ver %d\n",
            mmc_card_id(card), unstuff_bits(resp, 60, 4));
        return MMC_ERR_INVALID;
    }

    scr->scr_struct = unstuff_bits(resp, 60, 4);
    scr->sda_vsn = unstuff_bits(resp, 56, 4);
    scr->data_bit_after_erase = unstuff_bits(resp, 55, 1);
    scr->security = unstuff_bits(resp, 52, 3);
    scr->bus_widths = unstuff_bits(resp, 48, 4);
    scr->sda_vsn3 = unstuff_bits(resp, 47, 1);
    scr->ex_security = unstuff_bits(resp, 43, 4);
    scr->cmd_support = unstuff_bits(resp, 32, 2);
    MSG(INF, "[SD%d] SD_SPEC(%d) SD_SPEC3(%d) SD_BUS_WIDTH=%d\n",
        mmc_card_id(card), scr->sda_vsn, scr->sda_vsn3, scr->bus_widths);
    MSG(INF, "[SD%d] SD_SECU(%d) EX_SECU(%d), CMD_SUPP(%d): CMD23(%d), CMD20(%d)\n",
        mmc_card_id(card), scr->security, scr->ex_security, scr->cmd_support,
        (scr->cmd_support >> 1) & 0x1, scr->cmd_support & 0x1);
    return err;
}
#endif

/* Read and decode extended CSD. */
int mmc_read_ext_csd(struct mmc_host *host, struct mmc_card *card)
{
    int err = MMC_ERR_NONE;
    u32 *ptr;
    int result = MMC_ERR_NONE;
    struct mmc_command cmd;
    u8 buf[512];

    if (card->csd.mmca_vsn < CSD_SPEC_VER_4) {
        MSG(INF, "[SD%d] MMCA_VSN: %d. Skip EXT_CSD\n", host->id, card->csd.mmca_vsn);
        return MMC_ERR_NONE;
    }

    memset(buf, 0, 512); //memset(&card->raw_ext_csd[0], 0, 512);
    ptr = (u32 *)buf; //ptr = (u32*)&card->raw_ext_csd[0];

    cmd.opcode  = MMC_CMD_SEND_EXT_CSD;
    cmd.arg     = 0;
    cmd.rsptyp  = RESP_R1;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

#if defined(FEATURE_MMC_RD_TUNING)
    msdc_reset_tune_counter(host);
    do{
#endif
        msdc_set_blknum(host, 1);
        msdc_set_blklen(host, 512);
        msdc_set_timeout(host, 100000000, 0);
        err = mmc_cmd(host, &cmd);
        if (err != MMC_ERR_NONE)
            goto out;

        err = msdc_pio_read(host, ptr, 512);
        if (err != MMC_ERR_NONE){
            host->card = card; // host->card not set will assert
            msdc_abort_handler(host, 1);
          #if defined(FEATURE_MMC_RD_TUNING)
            result = msdc_tune_read(host);
          #endif
        }
#if defined(FEATURE_MMC_RD_TUNING)
    } while (err && result != MMC_ERR_READTUNEFAIL);
    msdc_reset_tune_counter(host);
#endif
    if ( (err==MMC_ERR_NONE) && (result != MMC_ERR_READTUNEFAIL) ) {
        memcpy(card->raw_ext_csd, buf, 512);
        mmc_decode_ext_csd(card);
    }

out:
    return err;
}

/* Fetches and decodes switch information */
static int mmc_read_switch(struct mmc_host *host, struct mmc_card *card)
{
    int err;
    u8  status[64];

    err = mmc_sd_switch(host, card, 0, 0, 1, (mmc_switch_t*)&status[0]);
    if (err != MMC_ERR_NONE) {
        /* Card not supporting high-speed will ignore the command. */
        err = MMC_ERR_NONE;
        goto out;
    }

    /* bit 511:480 in status[0]. bit 415:400 in status[13] */
    if (status[13] & 0x01) {
        MSG(INF, "[SD%d] Support: Default/SDR12\n", host->id);
        card->sw_caps.hs_max_dtr = 25000000;  /* default or sdr12 */
    }
    if (status[13] & 0x02) {
        MSG(INF, "[SD%d] Support: HS/SDR25\n", host->id);
        card->sw_caps.hs_max_dtr = 50000000;  /* high-speed or sdr25 */
    }
    if (status[13] & 0x10) {
        MSG(INF, "[SD%d] Support: DDR50\n", host->id);
        card->sw_caps.hs_max_dtr = 50000000;  /* ddr50 */
        card->sw_caps.ddr = 1;
    }
#if defined(FEATURE_MMC_UHS1)
    if (status[13] & 0x04) {
        MSG(INF, "[SD%d] Support: SDR50\n", host->id);
        card->sw_caps.hs_max_dtr = 100000000; /* sdr50 */
    }
    if (status[13] & 0x08) {
        MSG(INF, "[SD%d] Support: SDR104\n", host->id);
        card->sw_caps.hs_max_dtr = 208000000; /* sdr104 */
    }
    if (status[9] & 0x01) {
        MSG(INF, "[SD%d] Support: Type-B Drv\n", host->id);
    }
    if (status[9] & 0x02) {
        MSG(INF, "[SD%d] Support: Type-A Drv\n", host->id);
    }
    if (status[9] & 0x04) {
        MSG(INF, "[SD%d] Support: Type-C Drv\n", host->id);
    }
    if (status[9] & 0x08) {
        MSG(INF, "[SD%d] Support: Type-D Drv\n", host->id);
    }
    if (status[7] & 0x01) {
        MSG(INF, "[SD%d] Support: 200mA current limit\n", host->id);
    }
    if (status[7] & 0x02) {
        MSG(INF, "[SD%d] Support: 400mA current limit\n", host->id);
    }
    if (status[7] & 0x04) {
        MSG(INF, "[SD%d] Support: 600mA current limit\n", host->id);
    }
    if (status[7] & 0x08) {
        MSG(INF, "[SD%d] Support: 800mA current limit\n", host->id);
    }
#endif

out:
    return err;
}

#if 0
static int mmc_deselect_cards(struct mmc_host *host)
{
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_SELECT_CARD;
    cmd.arg     = 0;
    cmd.rsptyp  = RESP_NONE;
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(host, &cmd);
}

int mmc_lock_unlock(struct mmc_host *host)
{
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_LOCK_UNLOCK;
    cmd.rsptyp  = RESP_R1;
    cmd.arg     = 0;
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(host, &cmd);
}
#endif

//Note: 1. LK undefine this function
//SDHC and SDXC does not support this command
int mmc_send_write_prot(struct mmc_card *card, u32 wp_addr, u32 *wp_status)
{
    int err;
    struct mmc_command cmd;
    struct mmc_host *host = card->host;
    u8 *buf = (u8*)wp_status;

    if (!(card->csd.cmdclass & CCC_WRITE_PROT))
        return MMC_ERR_INVALID;

    cmd.opcode  = MMC_CMD_SEND_WRITE_PROT;
    cmd.rsptyp  = RESP_R1;
    cmd.arg     = wp_addr;
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;

    msdc_set_blknum(host, 1);
    msdc_set_blklen(host, 4);
    msdc_set_timeout(host, 100000000, 0);
    err = mmc_cmd(host, &cmd);
    if (err != MMC_ERR_NONE)
        goto out;

    err = msdc_pio_read(host, (u32*)buf, 4);
    if (err != MMC_ERR_NONE)
        goto out;

out:
    return err;
}

int mmc_erase_start(struct mmc_card *card, u64 addr)
{
    struct mmc_command cmd;

    if (!(card->csd.cmdclass & CCC_ERASE)) {
        MSG(ERR, "[SD%d] Card doesn't support Erase commands\n", card->host->id);
        return MMC_ERR_INVALID;
    }

    if (mmc_card_highcaps(card))
        addr /= MMC_BLOCK_SIZE; /* in sector unit */

    if (mmc_card_mmc(card)) {
        cmd.opcode = MMC_CMD_ERASE_GROUP_START;
    } else {
        cmd.opcode = MMC_CMD_ERASE_WR_BLK_START;
    }

    cmd.rsptyp  = RESP_R1;
    cmd.arg     = addr;
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(card->host, &cmd);
}

int mmc_erase_end(struct mmc_card *card, u64 addr)
{
    struct mmc_command cmd;

    if (!(card->csd.cmdclass & CCC_ERASE)) {
        MSG(ERR, "[SD%d] Erase isn't supported\n", card->host->id);
        return MMC_ERR_INVALID;
    }

    if (mmc_card_highcaps(card))
        addr /= MMC_BLOCK_SIZE; /* in sector unit */

    if (mmc_card_mmc(card)) {
        cmd.opcode = MMC_CMD_ERASE_GROUP_END;
    } else {
        cmd.opcode = MMC_CMD_ERASE_WR_BLK_END;
    }

    cmd.rsptyp  = RESP_R1;
    cmd.arg     = addr;
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(card->host, &cmd);
}

int mmc_erase(struct mmc_card *card, u32 arg)
{
    int err;
    u32 status;
    struct mmc_command cmd;

    if (!(card->csd.cmdclass & CCC_ERASE)) {
        MSG(ERR, "[SD%d] Erase isn't supported\n", card->host->id);
        return MMC_ERR_INVALID;
    }

    if (arg & MMC_ERASE_SECURE_REQ) {
        if (!(card->raw_ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT] &
            EXT_CSD_SEC_FEATURE_ER_EN)) {
            return MMC_ERR_INVALID;
        }
    }
    if ((arg & MMC_ERASE_GC_REQ) || (arg & MMC_ERASE_TRIM)) {
        if (!(card->raw_ext_csd[EXT_CSD_SEC_FEATURE_SUPPORT] &
            EXT_CSD_SEC_FEATURE_GB_CL_EN)) {
            return MMC_ERR_INVALID;
        }
    }

    cmd.opcode  = MMC_CMD_ERASE;
    cmd.rsptyp  = RESP_R1B;
    cmd.arg     = arg;
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;

    err = mmc_cmd(card->host, &cmd);

    if (!err) {
        do {
            err = mmc_send_status(card->host, card, &status);
            if (err) break;
            #if MMC_DEBUG
            mmc_dump_card_status(status);
            #endif
            if (R1_STATUS(status) != 0) break;
        } while (R1_CURRENT_STATE(status) == 7);
    }
    return err;
}

#if defined(FEATURE_MMC_UHS1)
int mmc_tune_timing(struct mmc_host *host, struct mmc_card *card)
{
    int err = MMC_ERR_NONE;

    if (mmc_card_sd(card) && mmc_card_uhs1(card) && !mmc_card_ddr(card)) {
        err = msdc_tune_uhs1(host, card);
    }
    else if(mmc_card_mmc(card) && mmc_card_hs200(card)){
        err = msdc_tune_hs200(host, card);
    }else if(mmc_card_mmc(card) && mmc_card_hs400(card)){
        err = msdc_tune_hs400(host, card);
    }

    return err;
}
#endif

u32 mmc_get_wpg_size(struct mmc_card *card)
{
    u32 size;
    u8 *ext_csd;

    if (mmc_card_mmc(card)) {
        ext_csd = &card->raw_ext_csd[0];

        if ((ext_csd[EXT_CSD_ERASE_GRP_DEF] & EXT_CSD_ERASE_GRP_DEF_EN)
            && (ext_csd[EXT_CSD_HC_WP_GPR_SIZE] > 0)) {
            size = 512 * 1024 * ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] *
                ext_csd[EXT_CSD_HC_WP_GPR_SIZE];
        } else {
            size = card->csd.write_prot_grpsz;
        }
    } else {
        if (card->csd.write_prot_grp) {
            /* SDSC could support write protect group */
            size = (card->csd.write_prot_grpsz + 1) * (1 << card->csd.write_blkbits);
        } else {
            /* SDHC and SDXC don't support write protect group */
            size = 0;
        }
    }

    return size;
}

#if 0
void mmc_switch_card_timing(struct mmc_host *host, unsigned int clkhz)
{
    int id = host->id;
    struct mmc_card *card = host->card;
    int result = 0;

    if (card && mmc_card_mmc(card)){
        if ((clkhz > MSDC_52M_SCLK) && (host->caps & MMC_CAP_DDR) && (host->caps & MMC_CAP_EMMC_HS400)){
            if ((mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1) == MMC_ERR_NONE) &&
                (mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, EXT_CSD_BUS_WIDTH_8_DDR) == MMC_ERR_NONE) &&
                (mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 3) == MMC_ERR_NONE)){
                printf("[SD%d] Switch to HS400 mode!\n", id);

                mmc_card_clr_speed_mode(card);
                mmc_card_set_hs400(card);

                /* hs400 used ddr mode */
                mmc_card_set_ddr(card);
            } else {
                result = -__LINE__;
                goto failure;
            }
        } else if ((clkhz > MSDC_52M_SCLK) && (host->caps & MMC_CAP_EMMC_HS200)){
            if ((mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1) == MMC_ERR_NONE) &&
                (mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, EXT_CSD_BUS_WIDTH_8) == MMC_ERR_NONE) &&
                (mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 2) == MMC_ERR_NONE)){
                printf("[SD%d] Switch to HS200 mode!\n", id);
                mmc_card_clr_speed_mode(card);
                mmc_card_set_hs200(card);

                /*if ddr enable, disable it */
                if (host->caps & MMC_CAP_DDR){
                    host->caps &= ~MMC_CAP_DDR;
                    mmc_card_clr_ddr(card);
                }
            } else {
                result = -__LINE__;
                goto failure;
            }
        } else if ((clkhz > MSDC_26M_SCLK) && (clkhz <= MSDC_52M_SCLK) && (host->caps & MMC_CAP_DDR)){
            if ((mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1) == MMC_ERR_NONE) &&
                (mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, EXT_CSD_BUS_WIDTH_8_DDR) == MMC_ERR_NONE)){
                printf("[SD%d] Switch to DDR50 mode!\n", id);

                mmc_card_clr_speed_mode(card);
                mmc_card_set_highspeed(card);
                mmc_card_set_ddr(card);
            } else {
                result = -__LINE__;
                goto failure;
            }
        } else if ((clkhz > MSDC_26M_SCLK) && (host->caps & MMC_CAP_MMC_HIGHSPEED)){
            if (mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1) == MMC_ERR_NONE){
                printf("[SD%d] Switch to High-Speed mode!\n", id);
                mmc_card_clr_speed_mode(card);
                mmc_card_set_highspeed(card);
            } else {
                result = -__LINE__;
                goto failure;
            }
        } else if(clkhz > 0){
            if (mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 0) == MMC_ERR_NONE){
                printf("[SD%d] Switch to Default mode!\n", id);
                mmc_card_clr_speed_mode(card);
                mmc_card_set_backyard(card);
            } else {
                result = -__LINE__;
                goto failure;
            }
        }
    }
  #if defined(MMC_MSDC_DRV_CTP)
    else if (card && mmc_card_sd(card) && (card->version > SD_VER_10)) {
        int uhsmode = 0;
        if ((clkhz > MSDC_100M_SCLK) && (host->caps & MMC_CAP_SD_UHS1)) {
            uhsmode = MMC_SWITCH_MODE_SDR104;
        } else if (clkhz > MSDC_50M_SCLK){
            if (card->sw_caps.ddr && msdc_cap[id].flags & MSDC_DDR) {
                uhsmode = MMC_SWITCH_MODE_DDR50;
            } else {
                uhsmode = MMC_SWITCH_MODE_SDR50;
            }
        } else if ((clkhz > MSDC_25M_SCLK) && (host->caps & MMC_CAP_SD_HIGHSPEED)){
            uhsmode = MMC_SWITCH_MODE_SDR25;

            /*if ddr enable, disable it */
            if (host->caps & MMC_CAP_DDR){
                host->caps &= ~MMC_CAP_DDR;
                mmc_card_clr_ddr(card);
            }
        } else if (clkhz > 0){
            uhsmode = MMC_SWITCH_MODE_SDR12;
        }

        if (mmc_switch_uhs1(host, card, uhsmode) != 0){
            result = -__LINE__;
            goto failure;
        }
    }
  #endif

failure:
    if(result)
        printf("[%s]: result=%d\n", __func__, result);
    return;

}
#endif

void mmc_set_clock(struct mmc_host *host, int ddr, u32 hz)
{
    unsigned int hs_timing = 0;

    if (hz >= host->f_max) {
        hz = host->f_max;
    } else if (hz < host->f_min) {
        hz = host->f_min;
    }

    //mmc_switch_card_timing(host, hz);

    if (host->card && mmc_card_hs400(host->card)){
        hs_timing |= EXT_CSD_HS_TIMEING_HS400;
    }

    if (host->card) {
        msdc_config_clock(host, (mmc_card_ddr(host->card) > 0) ? 1 : 0, hz, hs_timing);
    } else {
        msdc_config_clock(host, ddr ? 1 : 0, hz, hs_timing);
    }
}

int mmc_set_ext_csd(struct mmc_card *card, uint8 addr, uint8 value)
{
    int err;
    u8 *ext_csd;

    /* can't write */
    if (192 <= addr || !card || !mmc_card_mmc(card))
        return MMC_ERR_INVALID;

    err = mmc_switch(card->host, card, EXT_CSD_CMD_SET_NORMAL, addr, value);

    if (err == MMC_ERR_NONE) {
        err = mmc_read_ext_csd(card->host, card);
        if (err == MMC_ERR_NONE) {
            ext_csd = &card->raw_ext_csd[0];
            if (ext_csd[addr] != value)
                err = MMC_ERR_FAILED;
        }
    }

    return err;
}

int mmc_set_card_detect(struct mmc_host *host, struct mmc_card *card, int connect)
{
    int err;
    struct mmc_command cmd;

    cmd.opcode  = SD_ACMD_SET_CLR_CD;
    cmd.arg     = connect;
    cmd.rsptyp  = RESP_R1; /* CHECKME */
    cmd.retries = CMD_RETRIES;
    cmd.timeout = CMD_TIMEOUT;

    err = mmc_app_cmd(host, &cmd, card->rca, CMD_RETRIES);
    return err;
}

int mmc_set_blk_length(struct mmc_host *host, u32 blklen)
{
    int err;
    struct mmc_command cmd;

    /* set block len */
    cmd.opcode  = MMC_CMD_SET_BLOCKLEN;
    cmd.rsptyp  = RESP_R1;
    cmd.arg     = blklen;
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;
    err = mmc_cmd(host, &cmd);

    if (err == MMC_ERR_NONE)
        msdc_set_blklen(host, blklen);

    return err;
}

#if defined(MMC_MSDC_DRV_CTP)
int mmc_set_blk_count(struct mmc_host *host, u32 blkcnt)
{
    int err;
    struct mmc_command cmd;

    /* set block count */
    cmd.opcode  = MMC_CMD_SET_BLOCK_COUNT;
    cmd.rsptyp  = RESP_R1;
    cmd.arg     = blkcnt; /* bit31 is for reliable write request */
#if MSDC_USE_DATA_TAG
    cmd.arg |= (1 << 29);
    cmd.arg &= ~(1 << 30);
#endif
#if MSDC_USE_RELIABLE_WRITE
    cmd.arg |= (1 << 31);
    cmd.arg &= ~(1 << 30);
#endif
#if MSDC_USE_FORCE_FLUSH
    cmd.arg |= (1 << 24);
    cmd.arg &= ~(1 << 30);
#endif
#if MSDC_USE_PACKED_CMD
    cmd.arg &= ~0xffff;
    cmd.arg |= (1 << 30);
#endif
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;
    err = mmc_cmd(host, &cmd);

    return err;
}
#endif

int mmc_set_bus_width(struct mmc_host *host, struct mmc_card *card, int width)
{
    int err = MMC_ERR_NONE;
    u32 arg = 0;
    struct mmc_command cmd;

    if (mmc_card_sd(card)) {
        if (width == HOST_BUS_WIDTH_8) {
            WARN_ON(width == HOST_BUS_WIDTH_8);
            arg = SD_BUS_WIDTH_4;
            width = HOST_BUS_WIDTH_4;
        }

        if ((width == HOST_BUS_WIDTH_4) && (host->caps & MMC_CAP_4_BIT_DATA)) {
            arg = SD_BUS_WIDTH_4;
        } else {
            arg = SD_BUS_WIDTH_1;
            width = HOST_BUS_WIDTH_1;
        }

        cmd.opcode  = SD_ACMD_SET_BUSWIDTH;
        cmd.arg     = arg;
        cmd.rsptyp  = RESP_R1;
        cmd.retries = CMD_RETRIES;
        cmd.timeout = CMD_TIMEOUT;

        err = mmc_app_cmd(host, &cmd, card->rca, 0);
        if (err != MMC_ERR_NONE)
            goto out;

        msdc_config_bus(host, width);
    } else if (mmc_card_mmc(card)) {
        if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
            goto out;

        if (width == HOST_BUS_WIDTH_8) {
            if (host->caps & MMC_CAP_8_BIT_DATA) {
                /* need make sure card current bus mode */
              #if defined(MSDC0_EMMC50_SUPPORT)
                if (mmc_card_hs400(card)) {
                    arg = (host->caps & MMC_CAP_EMMC_HS400) ?
                        EXT_CSD_BUS_WIDTH_8_DDR : EXT_CSD_BUS_WIDTH_8;
                } else
              #endif
                if (mmc_card_highspeed(card)) {
                    arg = ((host->caps & MMC_CAP_DDR) && card->ext_csd.ddr_support) ?
                        EXT_CSD_BUS_WIDTH_8_DDR : EXT_CSD_BUS_WIDTH_8;
                } else if (mmc_card_hs200(card) || mmc_card_backyard(card)) {
                    arg = EXT_CSD_BUS_WIDTH_8;
                } else {
                    width = HOST_BUS_WIDTH_4;
                }
            } else {
                width = HOST_BUS_WIDTH_4;
            }
        }

        if (width == HOST_BUS_WIDTH_4) {
            if (host->caps & MMC_CAP_4_BIT_DATA) {
                /* need make sure card current bus mode */
              #if defined(MSDC0_EMMC50_SUPPORT)
                if (mmc_card_hs400(card)) {
                    arg = (host->caps & MMC_CAP_EMMC_HS400) ?
                        EXT_CSD_BUS_WIDTH_8_DDR : EXT_CSD_BUS_WIDTH_8;
                } else
              #endif
                if (mmc_card_highspeed(card)) {
                    arg = ((host->caps & MMC_CAP_DDR) && card->ext_csd.ddr_support) ?
                        EXT_CSD_BUS_WIDTH_4_DDR : EXT_CSD_BUS_WIDTH_4;
                } else if (mmc_card_hs200(card) || mmc_card_backyard(card)) {
                    arg = EXT_CSD_BUS_WIDTH_4;
                } else {
                    width = HOST_BUS_WIDTH_1;
                }
            } else {
                width = HOST_BUS_WIDTH_1;
            }
        }

        if (width == HOST_BUS_WIDTH_1)
            arg = EXT_CSD_BUS_WIDTH_1;

        err = mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, arg);
        if (err != MMC_ERR_NONE) {
            MSG(ERR, "[SD%d] Switch to bus width(%d) failed\n", host->id, arg);
            goto out;
        }

        if (arg == EXT_CSD_BUS_WIDTH_8_DDR || arg == EXT_CSD_BUS_WIDTH_4_DDR) {
            mmc_card_set_ddr(card);
        } else {
            mmc_card_clr_ddr(card);
        }
        mmc_set_clock(host, mmc_card_ddr(card), host->cur_bus_clk);

        msdc_config_bus(host, width);
    } else {
        BUG_ON(1); /* card is not recognized */
    }

out:
#if 0
    if (mmc_card_sd(card)) {
        printf("[info][%s %d] switch to %dbit bus width, arg=0x%x, err = %d\n", __func__, __LINE__, (arg == SD_BUS_WIDTH_4) ? 4 : 1, arg, err);
    } else {
        switch (arg){
            case EXT_CSD_BUS_WIDTH_1:
                printf("[info][%s %d] switch to 1bit bus width, err = %d\n", __func__, __LINE__, err);
                break;
            case EXT_CSD_BUS_WIDTH_4:
                printf("[info][%s %d] switch to 4bit bus width, err = %d\n", __func__, __LINE__, err);
                break;
            case EXT_CSD_BUS_WIDTH_8:
                printf("[info][%s %d] switch to 8bit bus width, err = %d\n", __func__, __LINE__, err);
                break;
            case EXT_CSD_BUS_WIDTH_4_DDR:
                printf("[info][%s %d] switch to 4bit bus width(DDR), err = %d\n", __func__, __LINE__, err);
                break;
            case EXT_CSD_BUS_WIDTH_8_DDR:
                printf("[info][%s %d] switch to 8bit bus width(DDR), err = %d\n", __func__, __LINE__, err);
                break;
            default:
                printf("[info][%s %d] switch to ?bit bus width(DDR), err = %d\n", __func__, __LINE__, err);
                break;
        }
    }
#endif
    return err;
}

int mmc_set_erase_grp_def(struct mmc_card *card, int enable)
{
    int err = MMC_ERR_FAILED;

    if (mmc_card_sd(card) || !mmc_card_highcaps(card))
        goto out;

    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    err = mmc_set_ext_csd(card, EXT_CSD_ERASE_GRP_DEF,
        EXT_CSD_ERASE_GRP_DEF_EN & enable);

out:
    return err;
}

int mmc_set_gp_size(struct mmc_card *card, u8 id, u32 size)
{
    int i;
    int err = MMC_ERR_FAILED;
    u8 gp[] = { EXT_CSD_GP1_SIZE_MULT, EXT_CSD_GP2_SIZE_MULT,
        EXT_CSD_GP3_SIZE_MULT, EXT_CSD_GP4_SIZE_MULT };
    u8 arg;
    u8 *ext_csd = &card->raw_ext_csd[0];

    if (mmc_card_sd(card) || !mmc_card_highcaps(card))
        goto out;

    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    id--;
    size /= 512 * 1024;
    size /= (ext_csd[EXT_CSD_HC_WP_GPR_SIZE] * ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]);

    /* 143-144: GP_SIZE_MULT_X_0-GP_SIZE_MULT_X_2 */
    for (i = 0; i < 3; i++) {
        arg  = (u8)(size & 0xFF);
        size = size >> 8;
        err = mmc_set_ext_csd(card, gp[id] + i, arg);
        if (err)
            goto out;
    }

out:
    return err;
}

int mmc_set_enh_size(struct mmc_card *card, u32 size)
{
    int i;
    int err = MMC_ERR_FAILED;
    u8 arg;
    u8 *ext_csd = &card->raw_ext_csd[0];

    if (mmc_card_sd(card) || !mmc_card_highcaps(card))
        goto out;

    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    /* need to set ERASE_GRP_DEF first?? */
    if (0 == (card->raw_ext_csd[EXT_CSD_ERASE_GRP_DEF] & EXT_CSD_ERASE_GRP_DEF_EN))
        goto out;

    size /= (512 * 1024);
    size /= (ext_csd[EXT_CSD_HC_WP_GPR_SIZE] * ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]);

    /* 140-142: ENH_SIZE_MULT0-ENH_SIZE_MULT2 */
    for (i = 0; i < 3; i++) {
        arg  = (u8)(size & 0xFF);
        size = size >> 8;
        err = mmc_set_ext_csd(card, EXT_CSD_ENH_SIZE_MULT + i, arg);
        if (err)
            goto out;
    }

out:
    return err;
}

int mmc_set_enh_start_addr(struct mmc_card *card, u32 addr)
{
    int i;
    int err = MMC_ERR_FAILED;
    u8 arg;

    if (mmc_card_sd(card))
        goto out;

    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    /* need to set ERASE_GRP_DEF first?? */
    if (0 == (card->raw_ext_csd[EXT_CSD_ERASE_GRP_DEF] & EXT_CSD_ERASE_GRP_DEF_EN))
        goto out;

    /* start address would be round to protect group aligned. */
    if (mmc_card_highcaps(card))
        addr = addr / 512; /* in sector unit. otherwise in byte unit */

    /* 136-139: ENH_START_ADDR0-ENH_START_ADDR3 */
    for (i = 0; i < 4; i++) {
        arg  = (u8)(addr & 0xFF);
        addr = addr >> 8;
        err = mmc_set_ext_csd(card, EXT_CSD_ENH_START_ADDR + i, arg);
        if (err)
            goto out;
    }

out:
    return err;
}

int mmc_set_boot_bus(struct mmc_card *card, u8 rst_bwidth, u8 mode, u8 bwidth)
{
    int err = MMC_ERR_FAILED;
    u8 arg;

    if (mmc_card_sd(card))
        goto out;

    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    arg = mode | rst_bwidth | bwidth;

    err = mmc_set_ext_csd(card, EXT_CSD_BOOT_BUS_WIDTH, arg);

out:
    return err;
}

int mmc_set_part_config(struct mmc_card *card, u8 cfg)
{
    int err = MMC_ERR_FAILED;

    if (mmc_card_sd(card))
        goto out;

    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    err = mmc_set_ext_csd(card, EXT_CSD_PART_CFG, cfg);

out:
    return err;
}

int mmc_set_part_attr(struct mmc_card *card, u8 attr)
{
    int err = MMC_ERR_FAILED;

    if (mmc_card_sd(card))
        goto out;

    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    if (!card->ext_csd.enh_attr_en) {
        err = MMC_ERR_INVALID;
        goto out;
    }

    attr &= 0x1F;
    attr |= (card->raw_ext_csd[EXT_CSD_PART_ATTR] & 0x1F);

    err = mmc_set_ext_csd(card, EXT_CSD_PART_ATTR, attr);

out:
    return err;
}

int mmc_set_part_compl(struct mmc_card *card)
{
    int err = MMC_ERR_FAILED;

    if (mmc_card_sd(card))
        goto out;

    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    err = mmc_set_ext_csd(card, EXT_CSD_PART_SET_COMPL,
        EXT_CSD_PART_SET_COMPL_BIT);

out:
    return err;
}

#if defined(MMC_MSDC_DRV_CTP)
int mmc_set_reset_func(struct mmc_card *card, u8 enable)
{
    int err = MMC_ERR_FAILED;
    u8 *ext_csd = &card->raw_ext_csd[0];

    if (mmc_card_sd(card))
        goto out;

    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    if (ext_csd[EXT_CSD_RST_N_FUNC] == 0) {
        err = mmc_set_ext_csd(card, EXT_CSD_RST_N_FUNC, enable);
    } else {
        /* no need set */
        return MMC_ERR_NONE;
    }
out:
    return err;
}

int mmc_boot_config(struct mmc_card *card, u8 acken, u8 enpart, u8 buswidth, u8 busmode)
{
    int err = MMC_ERR_FAILED;
    u8 val;
    u8 rst_bwidth = 0;
    u8 *ext_csd = &card->raw_ext_csd[0];

    if (mmc_card_sd(card) || card->csd.mmca_vsn < CSD_SPEC_VER_4 ||
        !card->ext_csd.boot_info || card->ext_csd.rev < 3)
        goto out;

    if (card->ext_csd.rev > 3 && !card->ext_csd.part_en)
        goto out;

    /* configure boot partition */
    val = acken | enpart | (ext_csd[EXT_CSD_PART_CFG] & 0x7);
    err = mmc_set_part_config(card, val);
    if (err != MMC_ERR_NONE)
        goto out;

    /* update ext_csd information */
    ext_csd[EXT_CSD_PART_CFG] = val;

    /* configure boot bus mode and width */
    rst_bwidth = (buswidth != EXT_CSD_BOOT_BUS_WIDTH_1 ? 1 : 0) << 2;
    MSG(INF, "=====Set boot Bus Width<%d>=======\n",buswidth);
    MSG(INF, "=====Set boot Bus mode<%d>=======\n",busmode);
    err = mmc_set_boot_bus(card, rst_bwidth, busmode, buswidth);

out:

    return err;
}

#if defined(FEATURE_MMC_BOOT_MODE)
int mmc_part_read(struct mmc_card *card, u8 partno, unsigned long blknr, u32 blkcnt, unsigned long *dst)
{
    int err = MMC_ERR_FAILED;
    u8 val;
    u8 *ext_csd = &card->raw_ext_csd[0];
    struct mmc_host *host = card->host;

    if (mmc_card_sd(card) || card->csd.mmca_vsn < CSD_SPEC_VER_4 ||
        !card->ext_csd.boot_info || card->ext_csd.rev < 3)
        goto out;

    if (card->ext_csd.rev > 3 && !card->ext_csd.part_en)
        goto out;

    /* configure to specified partition */
    val = (ext_csd[EXT_CSD_PART_CFG] & ~0x7) | (partno & 0x7);
    err = mmc_set_part_config(card, val);
    if (err != MMC_ERR_NONE)
        goto out;

    /* write block to this partition */
    err = mmc_block_read(host->id, blknr, blkcnt, dst);

out:
    /* configure to user partition */
    val = (ext_csd[EXT_CSD_PART_CFG] & ~0x7) | EXT_CSD_PART_CFG_DEFT_PART;
    mmc_set_part_config(card, val);

    return err;
}

int mmc_part_write(struct mmc_card *card, u8 partno, unsigned long blknr, u32 blkcnt, unsigned long *src)
{
    int err = MMC_ERR_FAILED;
    u8 val;
    u8 *ext_csd = &card->raw_ext_csd[0];
    struct mmc_host *host = card->host;

    if (mmc_card_sd(card) || card->csd.mmca_vsn < CSD_SPEC_VER_4 ||
        !card->ext_csd.boot_info || card->ext_csd.rev < 3)
        goto out;

    if (card->ext_csd.rev > 3 && !card->ext_csd.part_en)
        goto out;

    /* configure to specified partition */
    val = (ext_csd[EXT_CSD_PART_CFG] & ~0x7) | (partno & 0x7);
    err = mmc_set_part_config(card, val);
    if (err != MMC_ERR_NONE)
        goto out;

    /* write block to this partition */
    err = mmc_block_write(host->id, blknr, blkcnt, src);

out:
    /* configure to user partition */
    val = (ext_csd[EXT_CSD_PART_CFG] & ~0x7) | EXT_CSD_PART_CFG_DEFT_PART;
    mmc_set_part_config(card, val);

    return err;
}
#endif
#endif

int mmc_dev_bread(struct mmc_card *card, unsigned long blknr, u32 blkcnt, u8 *dst)
{
    struct mmc_host *host = card->host;
    u32 blksz = host->blklen;
    int tune = 0;
#if defined(FEATURE_MMC_RD_TUNING)
    int retry = 1;
#else
    int retry = 3;
#endif
    int err;
    unsigned long src;
    u8 *oridst = dst;

    src = mmc_card_highcaps(card) ? blknr : blknr * blksz;

    do {
        mmc_prof_start();
        if (!tune) {
            err = host->blk_read(host, (uchar *)dst, src, blkcnt);
        } else {
            #ifdef FEATURE_MMC_RD_TUNING
            #if defined(MSDC0_EMMC50_SUPPORT)
            if (mmc_card_mmc(card) && mmc_card_hs400(card)){
                MSG(INF, "[tune][%s:%d] start hs400 read tune\n", __func__, __LINE__);
                err = msdc_tune_rw_hs400(host, (uchar *)oridst, src, blkcnt, 0);
            }
            else
            #endif
            {
                err = msdc_tune_bread(host, (uchar *)oridst, src, blkcnt);
            }
            #endif
            if (err && (host->cur_bus_clk > (host->f_max >> 4))) {
                mmc_set_clock(host, mmc_card_ddr(card), host->cur_bus_clk >> 1);
                err = host->blk_read(host, (uchar *)oridst, src, blkcnt);
            }
        }
        mmc_prof_stop();
        if (err == MMC_ERR_NONE) {
            mmc_prof_update(mmc_prof_read, blkcnt, mmc_prof_handle(host->id));
            break;
        }

      #if defined(FEATURE_MMC_CM_TUNING) || defined(FEATURE_MMC_RD_TUNING)
        if (err == MMC_ERR_BADCRC || err == MMC_ERR_ACMD_RSPCRC || err == MMC_ERR_CMD_RSPCRC){
            if ( tune ) break;
            tune = 1;
        }
        else if (err == MMC_ERR_READTUNEFAIL || err == MMC_ERR_CMDTUNEFAIL){
            printf("[SD%d] Fail to tuning,%s",host->id,(err == MMC_ERR_CMDTUNEFAIL)?"cmd tune failed!\n":"read tune failed!\n");
            break;
        }
      #endif
        if (err == MMC_ERR_TIMEOUT ) {
            printf("[SD%d] mmc_dev_bread TIMEOUT\n", host->id);
            break;
        }
    } while (retry--);

    return err;
}

static int mmc_dev_bwrite(struct mmc_card *card, unsigned long blknr, u32 blkcnt, u8 *src)
{
    struct mmc_host *host = card->host;
    u32 blksz = host->blklen;
    u32 status;
    int tune = 0;
#if defined(FEATURE_MMC_WR_TUNING)
    int retry = 1;
#else
    int retry = 3;
#endif
    int err;
    unsigned long dst;
    u8 *orisrc = src;

    dst = mmc_card_highcaps(card) ? blknr : blknr * blksz;

    do {
        mmc_prof_start();
        if (!tune) {
            err = host->blk_write(host, dst, (uchar *)src, blkcnt);
        } else {
            #if defined(FEATURE_MMC_WR_TUNING)
            #if defined(MSDC0_EMMC50_SUPPORT)
            if (mmc_card_mmc(card) && mmc_card_hs400(card)){
                err = msdc_tune_rw_hs400(host, (uchar *) dst, (ulong) orisrc, blkcnt, 1);
            }
            else
            #endif
            {
                err = msdc_tune_bwrite(host, dst, (uchar *)orisrc, blkcnt);
            }
            #endif
            if (err && (host->cur_bus_clk > (host->f_max >> 4))) {
                mmc_set_clock(host, mmc_card_ddr(card), host->cur_bus_clk >> 1);
                err = host->blk_write(host, dst, (uchar *)orisrc, blkcnt);
            }
        }
        if (err == MMC_ERR_NONE) {
            do {
                err = mmc_send_status(host, card, &status);
                if (err) {
                    MSG(ERR, "[SD%d] Fail to send status %d\n", host->id, err);
                    break;
                }
            } while (!(status & R1_READY_FOR_DATA) ||
                (R1_CURRENT_STATE(status) == 7));
            mmc_prof_stop();
            mmc_prof_update(mmc_prof_write, blkcnt, mmc_prof_handle(host->id));
            MSG(OPS, "[SD%d] Write %d bytes (DONE)\n",
                host->id, blkcnt * blksz);
            break;
        }
      #if defined(FEATURE_MMC_WR_TUNING)
        if (err == MMC_ERR_BADCRC || err == MMC_ERR_ACMD_RSPCRC || err == MMC_ERR_CMD_RSPCRC){
            if ( tune ) break;
            tune = 1;
        }
      #endif
        if(err == MMC_ERR_TIMEOUT ) {
            printf("[SD%d] mmc_dev_bwrite TIMEOUT\n", host->id);
            break;
        }
    } while (retry--);

    return err;
}

int mmc_block_read(int dev_num, unsigned long blknr, u32 blkcnt, unsigned long *dst)
{
    struct mmc_host *host = mmc_get_host(dev_num);
    struct mmc_card *card = mmc_get_card(dev_num);
    u32 blksz    = host->blklen;
    u32 maxblks  = host->max_phys_segs;
    //u32 xfercnt  = blkcnt / maxblks;
    //u32 leftblks = blkcnt % maxblks;
    u32 leftblks;
    u8 *buf = (u8*)dst;
    int ret;

    if (!blkcnt)
        return MMC_ERR_NONE;

    if (blknr * (blksz / MMC_BLOCK_SIZE) > card->nblks) {
        MSG(ERR, "[SD%d] Out of block range: blknr(%ld) > sd_blknr(%d)\n",
            host->id, blknr, card->nblks);
        return MMC_ERR_INVALID;
    }

    do {
        leftblks=((blkcnt> maxblks) ? maxblks : blkcnt);
        ret = mmc_dev_bread(card, (unsigned long)blknr, leftblks, buf);
        if (ret)
            return ret;
        blknr += leftblks;
        buf   += maxblks * blksz;
        blkcnt -= leftblks;
    } while ( blkcnt );

    return ret;
}

int mmc_block_write(int dev_num, unsigned long blknr, u32 blkcnt, unsigned long *src)
{
    struct mmc_host *host = mmc_get_host(dev_num);
    struct mmc_card *card = mmc_get_card(dev_num);
    u32 blksz    = host->blklen;
    u32 maxblks  = host->max_phys_segs;
    //u32 xfercnt  = blkcnt / maxblks;
    //u32 leftblks = blkcnt % maxblks;
    u32 leftblks;
    u8 *buf = (u8*)src;
    int ret;

    if (!blkcnt)
        return MMC_ERR_NONE;

    if (blknr * (blksz / MMC_BLOCK_SIZE) > card->nblks) {
        MSG(ERR, "[SD%d] Out of block range: blknr(%ld) > sd_blknr(%d)\n",
            host->id, blknr, card->nblks);
        return MMC_ERR_INVALID;
    }

    do {
        leftblks=((blkcnt> maxblks) ? maxblks : blkcnt);
        ret = mmc_dev_bwrite(card, (unsigned long)blknr, leftblks, buf);
        if (ret)
            return ret;
        blknr += leftblks;
        buf   += maxblks * blksz;
        blkcnt -= leftblks;
    } while ( blkcnt );

    return ret;
}

#if defined(MMC_MSDC_DRV_PRELOADER)
void mmc_stuff_buff(u8* buf)
{
    memset(buf,0,512);
    buf[0] = 0x10;
    buf[1] = 0x06;
    buf[2] = 0x01;
    buf[3] = 0xF0;
    buf[11]= 0xAA;
    buf[12]= 0xA9;
    buf[13]= 0x87;
    buf[14]= 0x74;
    buf[15]= 0x3C;
    buf[16]= 0x71;
    buf[17]= 0xFB;
    buf[18]= 0xD4;
}

int mmc_get_sandisk_fwid(int id, u8* buf)
{
    struct mmc_host *host;
    struct mmc_card *card;
    struct mmc_command stop;
    int err = MMC_ERR_NONE;
    u32 status;
    u32 state = 0;
    host = &sd_host[id];
    card = &sd_card[id];
    while (state != 4) {
        err = mmc_send_status(host, card, &status);
        if (err) {
            MSG(ERR, "[SD%d] Fail to send status %d\n", host->id, err);
            return err;
        }
        state = R1_CURRENT_STATE(status);
            MSG(INF, "check card state<%d>\n", state);
            if (state == 5 || state == 6) {
                MSG(INF, "state<%d> need cmd12 to stop\n", state);
                stop.opcode  = MMC_CMD_STOP_TRANSMISSION;
                   stop.rsptyp  = RESP_R1B;
                stop.arg     = 0;
                stop.retries = CMD_RETRIES;
                stop.timeout = CMD_TIMEOUT;
                msdc_send_cmd(host, &stop);
                msdc_wait_rsp(host, &stop); // don't tuning
            } else if (state == 7) {  // busy in programing
                MSG(INF, "state<%d> card is busy\n", state);
                mdelay(100);
            } else if (state != 4) {
                MSG(ERR, "state<%d> ??? \n", state);
                return MMC_ERR_INVALID;
            }
        }
    mmc_stuff_buff(buf);
  #if defined(MSDC_ENABLE_DMA_MODE)
    err = msdc_dma_send_sandisk_fwid(host, buf,MMC_CMD50,1);
    if (err) {
        MSG(ERR, "[SD%d] Fail to send(CMD50) sandisk fwid %d\n", host->id, err);
        return err;
    }

    err = msdc_dma_send_sandisk_fwid(host, buf,MMC_CMD21,1);
    if (err) {
        MSG(ERR, "[SD%d] Fail to get(CMD21) sandisk fwid %d\n", host->id, err);
        return err;
    }

  #else
    err = msdc_pio_send_sandisk_fwid(host, buf);
    if (err) {
        MSG(ERR, "[SD%d] Fail to send(CMD50) sandisk fwid %d\n", host->id, err);
        return err;
    }

    err = msdc_pio_get_sandisk_fwid(host, buf);
    if (err) {
        MSG(ERR, "[SD%d] Fail to get(CMD21) sandisk fwid %d\n", host->id, err);
        return err;
    }
  #endif
    return err;
}
#endif

#ifdef FEATURE_MMC_BOOT_MODE
void mmc_boot_reset(struct mmc_host *host, int reset)
{
    msdc_emmc_boot_reset(host, reset);
}

int mmc_boot_up(struct mmc_host *host, int ddr, int mode, u8 hostbuswidth, int ackdis, u32 *to, u64 size, int read_mode)
{
    int err;

    ERR_EXIT(msdc_emmc_boot_start(host, host->cur_bus_clk, ddr, mode, ackdis, hostbuswidth, size), err, MMC_ERR_NONE);
    ERR_EXIT(msdc_emmc_boot_read(host, size, to, read_mode), err, MMC_ERR_NONE);

exit:
    msdc_emmc_boot_stop(host);

    return err;
}
#endif

int mmc_init_mem_card(struct mmc_host *host, struct mmc_card *card, u32 ocr)
{
    int err, id = host->id;
#if defined(FEATURE_MMC_UHS1)
    int s18a = 0;
#endif

    /*
     * Sanity check the voltages that the card claims to
     * support.
     */
    if (ocr & 0x7F) {
        MSG(INF, "card claims to support voltages "
            "below the defined range. These will be ignored.\n");
        ocr &= ~0x7F;
    }

    ocr = host->ocr = mmc_select_voltage(host, ocr);

    /*
     * Can we support the voltage(s) of the card(s)?
     */
    if (!host->ocr) {
        err = MMC_ERR_FAILED;
        goto out;
    }

    mmc_go_idle(host);

    /* send interface condition */
    if (mmc_card_sd(card))
        err = mmc_send_if_cond(host, ocr);

    /* host support HCS[30] */
    ocr |= (1 << 30);

  #if defined(FEATURE_MMC_UHS1)
    if (!err) {
        /* host support S18A[24] and XPC[28]=1 to support speed class */
        if (host->caps & MMC_CAP_SD_UHS1)
            ocr |= ((1 << 28) | (1 << 24));
        card->version = SD_VER_20;
    }else {
        card->version = SD_VER_10;
    }
  #else
    card->version = SD_VER_10;
  #endif


    /* send operation condition */
    if (mmc_card_sd(card)) {
        err = mmc_send_app_op_cond(host, ocr, &card->ocr);
    } else {
        /* The extra bit indicates that we support high capacity */
        err = mmc_send_op_cond(host, ocr, &card->ocr);
    }

    if (err != MMC_ERR_NONE) {
        printf("[SD%d] Fail in SEND_OP_COND cmd\n", id);
        goto out;
    }

    /* set hcs bit if a high-capacity card */
    card->state |= ((card->ocr >> 30) & 0x1) ? MMC_STATE_HIGHCAPS : 0;
#if defined(FEATURE_MMC_UHS1)
    s18a = (card->ocr >> 24) & 0x1;
    printf("[SD%d] ocr = 0x%X, card->ocr=0x%X, s18a = %d \n", id, ocr, card->ocr, s18a);

#if 0
    err = mmc_send_app_op_cond(host, ocr, &card->ocr);
    if (err != MMC_ERR_NONE){
        s18a = (card->ocr >> 24) & 0x1;
        printf("[SD%d] ocr = 0x%X, s18a = %d \n", id, ocr, s18a);
    }

    err = mmc_send_app_op_cond(host, ocr, &card->ocr);
    if (err != MMC_ERR_NONE){
        s18a = (card->ocr >> 24) & 0x1;
        printf("[SD%d] ocr = 0x%X, s18a = %d \n", id, ocr, s18a);
    }

    err = mmc_send_app_op_cond(host, ocr, &card->ocr);
    if (err != MMC_ERR_NONE){
        s18a = (card->ocr >> 24) & 0x1;
        printf("[SD%d] ocr = 0x%X, s18a = %d \n", id, ocr, s18a);
    }

    err = mmc_send_app_op_cond(host, ocr, &card->ocr);
    if (err != MMC_ERR_NONE){
        s18a = (card->ocr >> 24) & 0x1;
        printf("[SD%d] ocr = 0x%X, s18a = %d \n", id, ocr, s18a);
    }
#endif

    /* S18A support by card. switch to 1.8V signal */
    if (s18a) {
        card->version = SD_VER_30;
        err = mmc_switch_volt(host, card);
        if (err != MMC_ERR_NONE) {
            MSG(ERR, "[SD%d] Fail in SWITCH_VOLT cmd\n", id);
            goto out;
        }
    }
#endif
    /* send cid */
    err = mmc_all_send_cid(host, card->raw_cid);

    if (err != MMC_ERR_NONE) {
        MSG(ERR, "[SD%d] Fail in SEND_CID cmd\n", id);
        goto out;
    }
    mmc_decode_cid(card);

    if (mmc_card_mmc(card))
        card->rca = 0x1; /* assign a rca */

    /* set/send rca */
    err = mmc_send_relative_addr(host, card, &card->rca);
    if (err != MMC_ERR_NONE) {
        MSG(ERR, "[SD%d] Fail in SEND_RCA cmd\n", id);
        goto out;
    }

    /* send csd */
    err = mmc_read_csds(host, card);
    if (err != MMC_ERR_NONE) {
        MSG(ERR, "[SD%d] Fail in SEND_CSD cmd\n", id);
        goto out;
    }

    /* decode csd */
    err = mmc_decode_csd(card);
    if (err != MMC_ERR_NONE) {
        MSG(ERR, "[SD%d] Fail in decode csd\n", id);
        goto out;
    }

    /* select this card */
    err = mmc_select_card(host, card);
    if (err != MMC_ERR_NONE) {
        MSG(ERR, "[SD%d] Fail in select card cmd\n", id);
        goto out;
    }

    if (mmc_card_sd(card)) {
        #if !defined(FEATURE_MMC_SLIM)
        /* send scr */
        err = mmc_read_scrs(host, card);
        if (err != MMC_ERR_NONE) {
            MSG(ERR, "[SD%d] Fail in SEND_SCR cmd\n", id);
            goto out;
        }
        #endif

        if ((card->csd.cmdclass & CCC_SWITCH) &&
            (mmc_read_switch(host, card) == MMC_ERR_NONE)) {
            do {
                #if defined(FEATURE_MMC_UHS1)
                if (s18a && (host->caps & MMC_CAP_SD_UHS1)) {
                    /* TODO: Switch driver strength first then current limit
                     *       and access mode */
                    unsigned int freq, uhs_mode, drv_type, max_curr;
                    freq = min(host->f_max, card->sw_caps.hs_max_dtr);

                    if (freq > 100000000) {
                        uhs_mode = MMC_SWITCH_MODE_SDR104;
                    } else if (freq <= 100000000 && freq > 50000000) {
                        if (card->sw_caps.ddr && (host->caps & MMC_CAP_DDR)) {
                            uhs_mode = MMC_SWITCH_MODE_DDR50;
                        } else {
                            uhs_mode = MMC_SWITCH_MODE_SDR50;
                        }
                    } else if (freq <= 50000000 && freq > 25000000) {
                        uhs_mode = MMC_SWITCH_MODE_SDR25;
                    } else {
                        uhs_mode = MMC_SWITCH_MODE_SDR12;
                    }
                    drv_type = MMC_SWITCH_MODE_DRV_TYPE_B;
                    max_curr = MMC_SWITCH_MODE_CL_200MA;

                    if (mmc_switch_drv_type(host, card, drv_type) == MMC_ERR_NONE &&
                        mmc_switch_max_cur(host, card, max_curr) == MMC_ERR_NONE &&
                        mmc_switch_uhs1(host, card, uhs_mode) == MMC_ERR_NONE) {
                        break;
                    } else {
                        mmc_switch_drv_type(host, card, MMC_SWITCH_MODE_DRV_TYPE_B);
                        mmc_switch_max_cur(host, card, MMC_SWITCH_MODE_CL_200MA);
                    }
                }
                #endif
                if (host->caps & MMC_CAP_SD_HIGHSPEED) {
                    mmc_switch_hs(host, card);
                    break;
                }
            } while(0);
        }

        /* set bus width */
        mmc_set_bus_width(host, card, HOST_BUS_WIDTH_4);

        /* compute bus speed. */
        card->maxhz = (unsigned int)-1;

        if (mmc_card_highspeed(card) || mmc_card_uhs1(card)) {
            if (card->maxhz > card->sw_caps.hs_max_dtr)
                card->maxhz = card->sw_caps.hs_max_dtr;
        } else if (card->maxhz > card->csd.max_dtr) {
            card->maxhz = card->csd.max_dtr;
        }
    } else {

        /* at the begin, the emmc card is under backward mode, this mode can support 1/4/8 buswidth */
        mmc_card_set_backyard(card);

        /* set bus width, if support HS200, needs to set 4 or 8 width first. */
        mmc_set_bus_width(host, card, HOST_BUS_WIDTH_8);

        /*HS200 make sure host voltage support HS200*/
        if ((host->caps & MMC_CAP_EMMC_HS200) && !(host->ocr_avail & 0x80)){//(MMC_VDD_17_18 | MMC_VDD_18_19))){
            host->caps  = host->caps & (~MMC_CAP_EMMC_HS200);
            MSG(WRN, "[SD%d] can not switch to HS200:Host voltage not support!\n",id);
        }

        /* send ext csd */
        err = mmc_read_ext_csd(host, card);
        if (err != MMC_ERR_NONE) {
            MSG(ERR, "[SD%d] Fail in SEND_EXT_CSD cmd\n", id);
            goto out;
        }

        /* activate high speed (if supported) */
      #if defined(MSDC0_EMMC50_SUPPORT)
        if ((card->ext_csd.hs_max_dtr > MSDC_52M_SCLK) && (host->caps & MMC_CAP_EMMC_HS400)){
            err = mmc_set_blk_length(host, MMC_BLOCK_SIZE);

            if(err == MMC_ERR_NONE)
                err = mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 2);
            else
                MSG(ERR, "[SD%d] Fail in set blklen cmd, card state=0x%x\n", id, card->state);

            if(err == MMC_ERR_NONE)
                err = mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1);
            else
                MSG(ERR, "[SD%d] Switch to HS200 mode failed!\n", host->id);

            if(err == MMC_ERR_NONE)
                err = mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, EXT_CSD_BUS_WIDTH_8_DDR);
            else
                MSG(ERR, "[SD%d] Switch to High-Speed mode failed!\n", host->id);

            if(err == MMC_ERR_NONE)
                err = mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 3);
            else
                MSG(ERR, "[SD%d] Switch to DDR mode failed!\n", id);

            if (err == MMC_ERR_NONE) {
                printf("[SD%d] Switch to HS400 mode!\n", host->id);
                mmc_card_set_hs400(card);
            }
            else {
                MSG(ERR, "[SD%d] Switch to HS400 mode failed!\n", host->id);
            }
        } else
      #endif
        if ((card->ext_csd.hs_max_dtr > 52000000) && (host->caps & MMC_CAP_EMMC_HS200)){
            err = mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 2);
            if (err == MMC_ERR_NONE) {
                printf("[SD%d] Switch to HS200 mode!\n", host->id);
                mmc_card_set_hs200(card);
            }
        }
        else if ((card->ext_csd.hs_max_dtr != 0) && (host->caps & MMC_CAP_MMC_HIGHSPEED)) {
            err = mmc_switch(host, card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1);

            if (err == MMC_ERR_NONE) {
                printf("[SD%d] Switch to High-Speed mode!\n", host->id);
                mmc_card_set_highspeed(card);
            }

            if ((host->caps & MMC_CAP_DDR) && card->ext_csd.ddr_support )
                mmc_set_bus_width(host, card, HOST_BUS_WIDTH_8); //Set to 8bit and DDR
        }

        /* compute bus speed. */
        card->maxhz = (unsigned int)-1;

        if (mmc_card_highspeed(card)) {
            card->maxhz = 52000000;
        } else if ( mmc_card_hs200(card) || mmc_card_hs400(card)) {
            if (card->maxhz > card->ext_csd.hs_max_dtr)
                card->maxhz = card->ext_csd.hs_max_dtr;
        } else if (card->maxhz > card->csd.max_dtr) {
            card->maxhz = card->csd.max_dtr;
        }
    }

    /* set block len. note that cmd16 is illegal while mmc card is in ddr mode */
    if (!(mmc_card_mmc(card) && (mmc_card_ddr(card) || mmc_card_hs400(card)))) {
        err = mmc_set_blk_length(host, MMC_BLOCK_SIZE);
        if (err != MMC_ERR_NONE) {
            MSG(ERR, "[SD%d] Fail in set blklen cmd, card state=0x%x\n", id, card->state);
            goto out;
        }
    }

    /* set clear card detect */
    if (mmc_card_sd(card))
        mmc_set_card_detect(host, card, 0);

    if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) {
        /* The EXT_CSD sector count is in number or 512 byte sectors. */
        card->blklen = MMC_BLOCK_SIZE;
        card->nblks  = card->ext_csd.sectors;
    } else {
        /* The CSD capacity field is in units of read_blkbits.
         * set_capacity takes units of 512 bytes.
         */
        card->blklen = MMC_BLOCK_SIZE;
        card->nblks  = card->csd.capacity << (card->csd.read_blkbits - 9);
    }

    printf("[SD%d] Size: %d MB, Max.Speed: %d kHz, blklen(%d), nblks(%d), ro(%d)\n",
        id, ((card->nblks / 1024) * card->blklen) / 1024 , card->maxhz / 1000,
        card->blklen, card->nblks, mmc_card_readonly(card));

    card->ready = 1;

    printf("[%s %d][SD%d] Initialized, %s%d\n", __func__, __LINE__, id, mmc_card_sd(card)?"SD":"eMMC", card->version);

out:
    return err;
}


int mmc_init_card(struct mmc_host *host, struct mmc_card *card)
{
    int err, id = host->id;
    u32 ocr;

    MSG(INF, "[%s]: start\n", __func__);
    memset(card, 0, sizeof(struct mmc_card));
    mmc_prof_init(id, host, card);
    mmc_prof_start();

#ifdef FEATURE_MMC_CARD_DETECT
    if (!msdc_card_avail(host)) {
        err = MMC_ERR_INVALID;
        goto out;
    }
#endif

#if 0
    if (msdc_card_protected(host))
        mmc_card_set_readonly(card);
#endif

    mmc_card_set_present(card);
    mmc_card_set_host(card, host);
    mmc_card_set_unknown(card);

    mmc_go_idle(host);

    /* send interface condition */
    mmc_send_if_cond(host, host->ocr_avail);

#if defined(FEATURE_MMC_SDIO)
    if (mmc_send_io_op_cond(host, 0, &ocr) == MMC_ERR_NONE) {
        mmc_card_set_sdio(card);
        err = mmc_init_sdio_card(host, card, ocr);
        if (err != MMC_ERR_NONE) {
            MSG(ERR, "[SD%d] Fail in init sdio card\n", id);
            goto out;
        }
        /* no memory present */
        if ((ocr & 0x08000000) == 0) {
            goto out;
        }
    }
#endif
    /* query operation condition */
    err = mmc_send_app_op_cond(host, 0, &ocr);
    if (err != MMC_ERR_NONE) {
        err = mmc_send_op_cond(host, 0, &ocr);
        if (err != MMC_ERR_NONE) {
            MSG(ERR, "[SD%d] Fail in MMC_CMD_SEND_OP_COND/SD_ACMD_SEND_OP_COND cmd\n", id);
            goto out;
        }
        mmc_card_set_mmc(card);
    } else {
        mmc_card_set_sd(card);
    }

    err = mmc_init_mem_card(host, card, ocr);

    if (err)
        goto out;

    /* change clock */
    printf("before host->cur_bus_clk(%d)\n",host->cur_bus_clk);
    mmc_set_clock(host, mmc_card_ddr(card), card->maxhz);
    printf("host->cur_bus_clk(%d)\n",host->cur_bus_clk);

#if defined(FEATURE_MMC_UHS1)
    /* tune timing */
    mmc_tune_timing(host, card);
#endif

out:
    mmc_prof_stop();
    mmc_prof_update(mmc_prof_card_init, (ulong)id, (void*)err);
    if (err) {
        MSG(ERR, "[%s]: failed, err=%d\n", __func__, err);
        return err;
    }
    host->card = card;

    // HS400 change again, previous mmc_set_clock host->card is null.
    // host is not set to HS400
    if (mmc_card_hs400(card)) {
        mmc_set_clock(host, mmc_card_ddr(card), card->maxhz);
    }

    printf("[%s]: finish successfully\n", __func__);
    return 0;
}

int mmc_init_host(struct mmc_host *host, int id, int clksrc, u8 mode)
{
    memset(host, 0, sizeof(struct mmc_host));

    return msdc_init(id, host, clksrc, mode);
}

#ifdef MTK_MSDC_PL_TEST
#define PL_MMC_TEST_SIZE   (8*512)
unsigned char g_mmc_buf[PL_MMC_TEST_SIZE + 1];
static void emmc_r_w_compare_test()
{
    unsigned int i;

    /* write 0x40000000(1G) with 256 block(0x5a) */
    MSG(INF, "[PL][%s:%d]eMMC simp test of user parittion start\n", __func__, __LINE__);
    for (i = 0; i < PL_MMC_TEST_SIZE; i++){
        g_mmc_buf[i] = 0x5a;
    }

    /* 0 is for emmc */
    mmc_block_write(0, 0x40000000/512, PL_MMC_TEST_SIZE/512, g_mmc_buf);
    MSG(INF, "[PL][%s:%d] finish write user partition\n", __func__, __LINE__);

    /* read */
    for (i = 0; i < PL_MMC_TEST_SIZE; i++){
        g_mmc_buf[i] = 0x0;
    }
    mmc_block_read(0, 0x40000000/512, PL_MMC_TEST_SIZE/512, g_mmc_buf);
    MSG(INF, "[PL][%s:%d] finish read user partition \n", __func__, __LINE__);

    /* compara */
    for (i = 0; i < PL_MMC_TEST_SIZE; i++){
        if (g_mmc_buf[i] != 0x5a){
           MSG(ERR, "[PL][%s:%d]mmc simple r/w user partition compare failed(%d is %d, not 0x5a)\n", __func__, __LINE__, i, g_mmc_buf[i]);
           break;
        }
    }
    /* write 0x40000000(1G) with 256 block(0x5a) */
#if 0
    printf("[PL][%s:%d]eMMC simp test of boot partition start\n", __func__, __LINE__);
    for (i = 0; i < PL_MMC_TEST_SIZE; i++){
        g_mmc_buf[i] = 0x5a;
    }

    /* 0 is for emmc */
    mmc_bwrite_boot(NULL, 0x40000000/512, PL_MMC_TEST_SIZE/512, g_mmc_buf);
    printf("[PL][%s:%d] finish write boot partition\n", __func__, __LINE__);
#endif
    /* read */
    for (i = 0; i < PL_MMC_TEST_SIZE; i++){
        g_mmc_buf[i] = 0x0;
    }
    mmc_bread_boot(NULL, 0x0/512, PL_MMC_TEST_SIZE/512, g_mmc_buf);
    MSG(INF, "[PL][%s:%d] finish read boot partition\n", __func__, __LINE__);
#if 0
    /* compara */
    for (i = 0; i < PL_MMC_TEST_SIZE; i++){
        if (g_mmc_buf[i] != 0x5a){
           printf("[PL][%s:%d]mmc simple r/w boot partition compare failed(%d is %d, not 0x5a)\n", __func__, __LINE__, i, g_mmc_buf[i]);
           break;
        }
    }
#endif
    MSG(INF, "[PL][%s:%d]eMMC simp test end\n", __func__, __LINE__);

}
#endif

#ifdef MTK_EMMC_POWER_ON_WP
int mmc_set_write_prot(struct mmc_host *host, u32 addr)
{
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_SET_WRITE_PROT;
    cmd.rsptyp  = RESP_R1B;
    cmd.arg     = addr;
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(host, &cmd);
}

int mmc_clr_write_prot(struct mmc_host *host, u32 addr)
{
    struct mmc_command cmd;

    cmd.opcode  = MMC_CMD_CLR_WRITE_PROT;
    cmd.rsptyp  = RESP_R1B;
    cmd.arg     = addr;
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;

    return mmc_cmd(host, &cmd);
}

int mmc_set_boot_prot(struct mmc_card *card, u8 prot)
{
    int err = MMC_ERR_FAILED;

    if (!mmc_card_mmc(card))
        goto out;

    WARN_ON(card->csd.mmca_vsn < CSD_SPEC_VER_4);
    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    err = mmc_switch(card->host, card, EXT_CSD_CMD_SET_NORMAL,
        EXT_CSD_BOOT_CONFIG_PROT, prot);

out:
    return err;
}

int mmc_send_write_prot_type(struct mmc_card *card, u32 wp_addr, u32 *wp_type)
{
    int err;
    int result = MMC_ERR_NONE;
    struct mmc_command cmd;
    struct mmc_host *host = card->host;
    u8 *buf = (u8*)wp_type;

    cmd.opcode  = MMC_CMD_SEND_WRITE_PROT_TYPE;
    cmd.rsptyp  = RESP_R1;
    cmd.arg     = wp_addr;
    cmd.retries = 3;
    cmd.timeout = CMD_TIMEOUT;
    msdc_reset_tune_counter(host);

    do {
        msdc_set_blklen(host, 8);
        msdc_set_timeout(host, 100000000, 0);

        err = mmc_cmd(host, &cmd);
        if (err != MMC_ERR_NONE)
            goto out;
        err = msdc_pio_read(host, (u32*)buf, 8);
        if (err != MMC_ERR_NONE) {
            msdc_abort_handler(host, 1);
            result = msdc_tune_read(host);
        }
    } while (err && result != MMC_ERR_READTUNEFAIL);
    msdc_reset_tune_counter(host);

out:
    return err;
}


int mmc_verify_write_prot_type_by_group(struct mmc_card *card, unsigned long blknr,
    u32 blkcnt, EMMC_WP_TYPE type)
{
    int err = MMC_ERR_FAILED;
    u32 count_wp;
    u32 count_wp_rest;
    u32 count_wp_group;
    u32 i, j, z;;
    u8 status_bit;
    u8 status[8] = {0xFF};

    count_wp = blkcnt / card->wp_size;
    count_wp_group = count_wp / 32;
    count_wp_rest = count_wp % 32;

    if (type == WP_TEMPORARY) {
        status_bit = 0x55;
    }
    else if (type == WP_POWER_ON) {
        status_bit = 0xAA;
    }
    else if (type == WP_PERMANENT) {
        status_bit = 0xFF;
    }
    else  {
        status_bit = 0;
    }

    for (i = 0; i < count_wp_group; i++) {
        err = mmc_send_write_prot_type(card, blknr+i*32*card->wp_size, (u32 *)status);

        if (err) {
            MSG(ERR, "[%s]: mmc_send_write_prot_type err %d \n", __func__, err);
            goto out;
        }

        for (j = 0; j < 8; j++) {
            if (status[j] != status_bit) {
                err = MMC_ERR_FAILED;
                goto out;
            }
        }
    }

    /* verify the rest bit */
    err = mmc_send_write_prot_type(card, blknr+count_wp_group*32*card->wp_size, (u32 *)status);
    if (err) {
        MSG(ERR, "[%s]: mmc_send_write_prot_type err %d \n", __func__,err);
        goto out;
    }

    for (z = 0; z < 8; z++) {
        if (count_wp_rest >= 4) {
            if (status[7 - z] != status_bit) {
                err = MMC_ERR_FAILED;
                goto out;
            }
            count_wp_rest -= 4;
        } else if (count_wp_rest >= 1) {
            u8 status_select = status[7 - z] & (0xFF >> (8 - count_wp_rest * 2));
            u8 status_should = status_bit >> (8 - count_wp_rest * 2);

            if (status_select != status_should) {
                err = MMC_ERR_FAILED;
                goto out;
            }
            break;
        } else {
            break;
        }
    }
    err = 0;

out:
    return err;

}

int mmc_set_write_protect_by_group(struct mmc_card *card,
    Region partition, unsigned long blknr, u32 blkcnt, EMMC_WP_TYPE type)
{
    int err = MMC_ERR_FAILED;
    u32 count_wp;
    u32 index;

    /* check type */
    if (type == WP_PERMANENT || type == WP_DISABLE || type == WP_TEMPORARY) {
        MSG(ERR, "[%s]: Type Not Support\n", __func__);
        return 0;
    }

    if (type > WP_DISABLE) {
        MSG(ERR, "[%s]:%d type=%d\n", __func__, __LINE__, type);
        return err;
    }

    /* check partition */
    if (partition != EMMC_PART_USER ) {
        MSG(ERR, "[%s]:partition=%d Not Support\n", __func__, partition);
        return err;
    }

    err = mmc_switch_part(EMMC_PART_USER);
    if (err) {
        MSG(ERR, "[%s]: mmc_switch_part err %d\n", __func__, err);
        return err;
    }

    count_wp = blkcnt / card->wp_size;

    MSG(INF, "[%s]: count_wp:%d\n", __func__, count_wp);

    for (index=0; index<count_wp; index++) {
        err = mmc_set_write_prot(card->host, blknr+(index*card->wp_size));

        if (err){
            MSG(ERR, "[%s]: mmc_set_write_prot err %d \n", __func__, err);
            return err;
        }
    }

    err = mmc_verify_write_prot_type_by_group(card, blknr, blkcnt, type);

    return err;
}

int mmc_set_boot_wp(struct mmc_card *card, EMMC_WP_TYPE type, Region partition)
{
    int err = MMC_ERR_FAILED;
    u8 value;

    if (type == WP_DISABLE || type == WP_PERMANENT || type == WP_TEMPORARY) {
        return 0;
    }

    if (type > WP_DISABLE) {
        goto out;
    }

    if (!mmc_card_mmc(card))
        goto out;

    WARN_ON(card->csd.mmca_vsn < CSD_SPEC_VER_4);
    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    if (card->ext_csd.boot_wp & EXT_CSD_BOOT_WP_DIS_PWR_WP) {
        MSG(INF, "[%s]: EXT_CSD_BOOT_WP_DIS_PWR_WP is set \n", __func__);
        goto out;
    }

    //Enable power-on protect
    value = card->ext_csd.boot_wp | EXT_CSD_BOOT_WP_EN_PWR_WP;

    //Set boot1 or boot2 protect
    if (partition == EMMC_PART_BOOT1)
        value &= ~EXT_CSD_BOOT_WP_WP_SEC_SEL;
    else
        value |= EXT_CSD_BOOT_WP_WP_SEC_SEL;

    //Set only 1 protect according EXT_CSD_BOOT_WP_WP_SEC_SEL
    value |= EXT_CSD_BOOT_WP_SEL;

    /* check if already set */
    if (card->ext_csd.boot_wp == value){
        MSG(INF, "[%s]: EXT_CSD_BOOT_WP alread set \n",__func__);
    } else {
        err = mmc_switch(card->host, card, EXT_CSD_CMD_SET_NORMAL,
            EXT_CSD_BOOT_WP, value);
        if (err) {
            MSG(INF, "[%s]: mmc_switch err %d\n", __func__, err);
            goto out;
        }
    }

    /* check by read */
    err = mmc_read_ext_csd(card->host, card);
    if (err) {
        MSG(INF, "[%s]: read ext_csd err %d\n", __func__, err);
        goto out;
    }

    MSG(INF, "[%s]: card->ext_csd.boot_wp:%d\n", __func__, card->ext_csd.boot_wp);

out:
    return err;
}

int mmc_set_user_wp(struct mmc_card *card, EMMC_WP_TYPE type, unsigned long blknr,
    u32 blkcnt, Region partition)
{
    int err = MMC_ERR_FAILED;
    u8 value;

    if (type == WP_DISABLE || type == WP_PERMANENT || type == WP_TEMPORARY) {
        return 0;
    }

    if (type > WP_DISABLE) {
        goto out;
    }

    if (!mmc_card_mmc(card))
        goto out;

    WARN_ON(card->csd.mmca_vsn < CSD_SPEC_VER_4);
    if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
        goto out;

    if (card->ext_csd.usr_wp & US_PWR_WP_DIS) {
        MSG(ERR, "[%s]: US_PWR_WP_DIS is err set \n", __func__);
        goto out;
    }

    value = card->ext_csd.usr_wp | US_PWR_WP_EN;
    value &= ~US_PERM_WP_EN;

    /* check if already set */
    if (card->ext_csd.usr_wp == value) {
        MSG(ERR, "[%s]: EXT_CSD_USR_WP alread set \n", __func__);
    } else {
        err = mmc_switch(card->host, card, EXT_CSD_CMD_SET_NORMAL,
            EXT_CSD_USR_WP, value);
        if (err) {
            MSG(ERR, "[%s]: mmc_switch err %d\n", __func__, err);
            goto out;
        }
    }

    /* check by read */
    err = mmc_read_ext_csd(card->host, card);
    if (err) {
        MSG(ERR, "[%s]: read ext_csd err %d\n", __func__, err);
        goto out;
    }

    MSG(INF, "[%s]: card->ext_csd.usr_wp:%d\n", __func__, card->ext_csd.usr_wp);


    /* start to set the group wp */
    err = mmc_set_write_protect_by_group(card,
                        partition, blknr, blkcnt, type);
    if (err) {
        MSG(ERR, "[%s]: mmc_set_write_protect_by_group err%d\n", __func__, err);
        goto out;
    }


    /* restore US_PWR_WP_EN */
    err = mmc_switch(card->host, card, EXT_CSD_CMD_SET_NORMAL,
            EXT_CSD_USR_WP, card->ext_csd.usr_wp & ~US_PWR_WP_EN);
    if (err) {
        MSG(ERR, "[%s]: restore US_PWR_WP_EN err %d\n", __func__, err);
        goto out;
    }

    /* check by read */
    err = mmc_read_ext_csd(card->host, card);
    if (err) {
        MSG(ERR, "[%s]: read ext_csd err %d\n", __func__, err);
        goto out;
    }

    MSG(INF, "[%s]: card->ext_csd.usr_wp:%d\n", __func__, card->ext_csd.usr_wp);

out:
    return err;
}

unsigned int mmc_set_write_protect(int dev_num, Region partition, unsigned long blknr, u32 blkcnt, EMMC_WP_TYPE type)
{
    int err = MMC_ERR_FAILED;
    struct mmc_card *card = mmc_get_card(dev_num);

    /* check type */
    if (type == WP_PERMANENT || type == WP_DISABLE || type == WP_TEMPORARY)
    {
        MSG(ERR, "[%s]: Type Not Support\n", __func__);
        goto done;
    }

    /* check partition */
    if (partition != EMMC_PART_USER && partition != EMMC_PART_BOOT1) {
        MSG(ERR, "[%s]:partition=%d Not Support\n", __func__, partition);
        goto done;
    }

    if (type == WP_POWER_ON) {
        if (partition == EMMC_PART_USER) {
            /* check the alignment and capility
             * size[EMMC_PART_USER] = (u64)card->blklen * card->nblks;
             */
            MSG(INF, "wp_size: %d, blknr: %d, blkcnt: %d, nblks: %d\n", card->wp_size,
                blknr, blkcnt, card->nblks);

            if (blknr % card->wp_size || blkcnt % card->wp_size
                || (blknr + blkcnt > card->nblks)) {
                MSG(ERR, "[%s]: alignment or capility error \n", __func__);
                goto done;
            }

            err = mmc_set_user_wp(card, WP_POWER_ON, blknr, blkcnt, partition);
            if (err) {
                MSG(ERR, "[%s]: mmc_set_user_wp err%d\n", __func__, err);
                goto done;
            }
        } else if (partition == EMMC_PART_BOOT1) {
            err = mmc_set_boot_wp(card, WP_POWER_ON, partition);
            if (err) {
                MSG(ERR, "[%s]: mmc_set_boot_wp err%d\n", __func__, err);
                goto done;
            }
        }
    }

done:

    printf("[%s]: mmc_set_write_protect result:%d \n", __func__, err);
    return err;
}
#endif

int mmc_init(int id, u32 trans_mode)
{
    int err = MMC_ERR_NONE;
    struct mmc_host *host;
    struct mmc_card *card;

    BUG_ON(id >= NR_MMC);

    host = &sd_host[id];
    card = &sd_card[id];
    err = mmc_init_host(host, id, -1, trans_mode);

    if (err == MMC_ERR_NONE){
        MSG(INF, "[%s]: msdc%d start mmc_init_card()\n", __func__, id);
        err = mmc_init_card(host, card);
    }

#ifdef MTK_EMMC_POWER_ON_WP
    //mmc_wp_test();
#endif

#ifdef MTK_EMMC_SUPPORT_OTP
    MSG(INF, "[%s]: msdc%d, use hc erase size\n", __func__, id);
    mmc_set_erase_grp_def(card, 1);
#endif

#ifdef MMC_TEST
    //mmc_test(0, NULL);
#endif

#ifdef MTK_MSDC_PL_TEST
    MSG(INF, "[%s]: start r/w compare test \n", __func__);
    emmc_r_w_compare_test();
#endif

    return err;
}

#if defined(MMC_MSDC_DRV_CTP)
int mmc_polling_CD_INT(struct mmc_host * host)
{
    return msdc_polling_CD_interrupt(host);
}
#endif