blob: bddeafdf028e2aea96e4680bd2536e9f876fac6a [file] [log] [blame] [edit]
/*
* Copyright 2008, Freescale Semiconductor, Inc
* Andy Fleming
*
* Based vaguely on the Linux code
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
#include <common.h>
#include <part.h>
#include "mmc_private.h"
extern bool emmckey_is_access_range_legal(struct mmc *mmc,
ulong start, lbaint_t blkcnt);
static ulong mmc_erase_t(struct mmc *mmc, ulong start, lbaint_t blkcnt)
{
struct mmc_cmd cmd;
ulong end;
int err, start_cmd, end_cmd;
if (mmc->high_capacity) {
end = start + blkcnt - 1;
} else {
end = (start + blkcnt - 1) * mmc->write_bl_len;
start *= mmc->write_bl_len;
}
printf("start = %lu,end = %lu\n",start,end);
if (IS_SD(mmc)) {
start_cmd = SD_CMD_ERASE_WR_BLK_START;
end_cmd = SD_CMD_ERASE_WR_BLK_END;
} else {
start_cmd = MMC_CMD_ERASE_GROUP_START;
end_cmd = MMC_CMD_ERASE_GROUP_END;
}
cmd.cmdidx = start_cmd;
cmd.cmdarg = start;
cmd.resp_type = MMC_RSP_R1;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
goto err_out;
cmd.cmdidx = end_cmd;
cmd.cmdarg = end;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
goto err_out;
cmd.cmdidx = MMC_CMD_ERASE;
cmd.cmdarg = SECURE_ERASE;
cmd.resp_type = MMC_RSP_R1b;
err = mmc_send_cmd(mmc, &cmd, NULL);
if (err)
goto err_out;
return 0;
err_out:
puts("mmc erase failed\n");
return err;
}
unsigned long mmc_berase(int dev_num, lbaint_t start, lbaint_t blkcnt)
{
int err = 0;
struct mmc *mmc = find_mmc_device(dev_num);
lbaint_t blk = 0, blk_r = 0;
int timeout = 1000;
if (!mmc)
return -1;
if (!emmckey_is_access_range_legal(mmc, start, blkcnt))
return blkcnt;
if (blkcnt == 0) {
blkcnt = mmc->capacity/512 - (mmc->capacity/512)% mmc->erase_grp_size; // erase whole
printf("blkcnt = %lu\n",blkcnt);
}
if ((start % mmc->erase_grp_size) || (blkcnt % mmc->erase_grp_size))
printf("\n\nCaution! Your devices Erase group is 0x%x\n"
"The erase range would be change to "
"0x" LBAF "~0x" LBAF "\n\n",
mmc->erase_grp_size, start & ~(mmc->erase_grp_size - 1),
((start + blkcnt + mmc->erase_grp_size)
& ~(mmc->erase_grp_size - 1)) - 1);
while (blk < blkcnt) {
blk_r = ((blkcnt - blk) < mmc->erase_grp_size) ?
mmc->erase_grp_size : (blkcnt - blk);
err = mmc_erase_t(mmc, start + blk, blk_r);
if (err)
break;
blk += blk_r;
/* Waiting for the ready status */
if (mmc_send_status(mmc, timeout))
return 1;
}
return 0;
}
static ulong mmc_write_blocks(struct mmc *mmc, lbaint_t start,
lbaint_t blkcnt, const void *src)
{
struct mmc_cmd cmd;
struct mmc_data data;
int timeout = 1000;
int ret;
if ((start + blkcnt) > mmc->block_dev.lba) {
printf("MMC: block number 0x" LBAF " exceeds max(0x" LBAF ")\n",
start + blkcnt, mmc->block_dev.lba);
return 0;
}
if (blkcnt == 0)
return 0;
else if (blkcnt == 1)
cmd.cmdidx = MMC_CMD_WRITE_SINGLE_BLOCK;
else
cmd.cmdidx = MMC_CMD_WRITE_MULTIPLE_BLOCK;
if (mmc->high_capacity)
cmd.cmdarg = start;
else
cmd.cmdarg = start * mmc->write_bl_len;
cmd.resp_type = MMC_RSP_R1;
data.src = src;
data.blocks = blkcnt;
data.blocksize = mmc->write_bl_len;
data.flags = MMC_DATA_WRITE;
ret = mmc_send_cmd(mmc, &cmd, &data);
if (ret)
printf("mmc write failed\n");
/* SPI multiblock writes terminate using a special
* token, not a STOP_TRANSMISSION request.
*/
if (!mmc_host_is_spi(mmc) && blkcnt > 1) {
cmd.cmdidx = MMC_CMD_STOP_TRANSMISSION;
cmd.cmdarg = 0;
cmd.resp_type = MMC_RSP_R1b;
if (mmc_send_cmd(mmc, &cmd, NULL)) {
printf("mmc fail to send stop cmd\n");
return 0;
}
}
if (ret)
return 0;
/* Waiting for the ready status */
if (mmc_send_status(mmc, timeout))
return 0;
return blkcnt;
}
ulong mmc_bwrite(int dev_num, lbaint_t start, lbaint_t blkcnt, const void *src)
{
lbaint_t cur, blocks_todo = blkcnt;
struct mmc *mmc = find_mmc_device(dev_num);
if (!mmc)
return 0;
if (!emmckey_is_access_range_legal(mmc, start, blkcnt))
return 0;
if (mmc_set_blocklen(mmc, mmc->write_bl_len))
return 0;
do {
cur = (blocks_todo > mmc->cfg->b_max) ?
mmc->cfg->b_max : blocks_todo;
if (mmc_write_blocks(mmc, start, cur, src) != cur)
return 0;
blocks_todo -= cur;
start += cur;
src += cur * mmc->write_bl_len;
} while (blocks_todo > 0);
return blkcnt;
}
extern int aml_sd_send_cmd_ffu(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data);
ulong mmc_ffu_write(int dev_num, lbaint_t start, lbaint_t blkcnt, const void *src)
{
struct mmc_cmd cmd;
struct mmc_data data;
int ret, timeout = 1000;
struct mmc *mmc = find_mmc_device(dev_num);
if (!mmc || !blkcnt)
return 0;
printf("mmc ffu start = %lx, cnt = %lx, addr = %p\n", start, blkcnt, src);
cmd.cmdidx = MMC_CMD_SET_BLOCK_COUNT;
cmd.cmdarg = blkcnt & 0xFFFF;
cmd.resp_type = MMC_RSP_R1;
ret = mmc_send_cmd(mmc, &cmd, NULL);
if (ret) {
printf("mmc set blkcnt failed\n");
return 0;
}
cmd.cmdidx = MMC_CMD_WRITE_MULTIPLE_BLOCK;
cmd.cmdarg = start;
cmd.resp_type = MMC_RSP_R1b;
data.src = src;
data.blocks = blkcnt;
data.blocksize = mmc->write_bl_len;
data.flags = MMC_DATA_WRITE;
ret = aml_sd_send_cmd_ffu(mmc, &cmd, &data);
if (ret) {
printf("mmc write failed\n");
return 0;
}
/* Waiting for the ready status */
if (mmc_send_status(mmc, timeout))
return 0;
return blkcnt;
}