/**
* imx_bbu_write_fcb - Write FCB and DBBT raw data to the device
* @mtd: The mtd Nand device
* @block: The block to write to
* @fcb_raw_page: The raw FCB data
* @dbbt_data_page: The DBBT data
*
* This function writes the FCB/DBBT data to the block given in @block
* to the Nand device. The FCB data has to be given in the raw flash
* layout, already with ecc data supplied.
*
* return: 0 on success or a negative error code otherwise.
*/
static int imx_bbu_write_fcb(struct mtd_info *mtd, int block, void *fcb_raw_page,
void *dbbt_data_page)
{
struct dbbt_block *dbbt;
int ret;
int retries = 0;
uint32_t *n_bad_blocksp = dbbt_data_page + 0x4;
again:
dbbt = xzalloc(mtd->writesize);
dbbt->Checksum = 0;
dbbt->FingerPrint = 0x54424244;
dbbt->Version = 0x01000000;
if (dbbt_data_page)
dbbt->DBBTNumOfPages = 1;
if (cpu_is_mx28())
imx28_dbbt_create(dbbt, *n_bad_blocksp);
ret = mtd_peb_erase(mtd, block);
if (ret)
return ret;
ret = raw_write_page(mtd, fcb_raw_page, block * mtd->erasesize);
if (ret) {
pr_err("Writing FCB on block %d failed with %s\n",
block, strerror(-ret));
goto out;
}
ret = mtd_peb_write(mtd, (void *)dbbt, block, mtd->writesize,
mtd->writesize);
if (ret < 0) {
pr_err("Writing DBBT header on block %d failed with %s\n",
block, strerror(-ret));
goto out;
}
if (dbbt_data_page) {
ret = mtd_peb_write(mtd, dbbt_data_page, block, mtd->writesize * 5,
mtd->writesize);
if (ret < 0) {
pr_err("Writing DBBT on block %d failed with %s\n",
block, strerror(-ret));
goto out;
}
}
ret = 0;
out:
free(dbbt);
if (ret == -EBADMSG) {
ret = mtd_peb_torture(mtd, block);
if (!ret && retries++ < 3)
goto again;
}
return ret;
}
static int
utp_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
{
int cpu_id = 0;
switch (cmd) {
case UTP_GET_CPU_ID:
/* Currently, it only supports below SoC for manufacture tool
* The naming rule
* 1. The numberic for SoC string
* 2. If there is next SoC version, and the corresponding utp
* operation will be differ, then, need to add '1' next to SoC
* name. Such as the next 50 SoC version is: cpu_is = 501
*/
#ifdef CONFIG_ARCH_MXS
if (cpu_is_mx23())
cpu_id = 23;
else if (cpu_is_mx28())
cpu_id = 28;
#endif
#ifdef CONFIG_ARCH_MXC
if (cpu_is_mx25())
cpu_id = 25;
else if (cpu_is_mx35())
cpu_id = 35;
else if (cpu_is_mx51())
cpu_id = 51;
else if (cpu_is_mx53())
cpu_id = 53;
else if (cpu_is_mx50())
cpu_id = 50;
#endif
return put_user(cpu_id, (int __user *)arg);
default:
return -ENOIOCTLCMD;
}
}
