static int crypto_bam_init(struct crypto_dev *dev)
{
uint32_t bam_ret;
/* BAM Init. */
bam_init(&dev->bam);
/* Initialize BAM CRYPTO read pipe */
bam_sys_pipe_init(&dev->bam, CRYPTO_READ_PIPE_INDEX);
/* Init read fifo */
bam_ret = bam_pipe_fifo_init(&dev->bam, CRYPTO_READ_PIPE_INDEX);
if (bam_ret)
{
dprintf(CRITICAL, "CRYPTO: BAM Read FIFO init error\n");
bam_ret = CRYPTO_ERR_FAIL;
goto crypto_bam_init_err;
}
/* Initialize BAM CRYPTO write pipe */
bam_sys_pipe_init(&dev->bam, CRYPTO_WRITE_PIPE_INDEX);
/* Init write fifo. Use the same fifo as read fifo. */
bam_ret = bam_pipe_fifo_init(&dev->bam, CRYPTO_WRITE_PIPE_INDEX);
if (bam_ret)
{
dprintf(CRITICAL, "CRYPTO: BAM Write FIFO init error\n");
bam_ret = CRYPTO_ERR_FAIL;
goto crypto_bam_init_err;
}
bam_ret = CRYPTO_ERR_NONE;
crypto_bam_init_err:
return bam_ret;
}
static int
qpic_bam_init(struct qpic_nand_init_config *config)
{
uint32_t bam_ret = NANDC_RESULT_SUCCESS;
bam.base = config->bam_base;
/* Set Read pipe params. */
bam.pipe[DATA_PRODUCER_PIPE_INDEX].pipe_num = config->pipes.read_pipe;
/* System consumer */
bam.pipe[DATA_PRODUCER_PIPE_INDEX].trans_type = BAM2SYS;
bam.pipe[DATA_PRODUCER_PIPE_INDEX].fifo.size = QPIC_BAM_DATA_FIFO_SIZE;
bam.pipe[DATA_PRODUCER_PIPE_INDEX].fifo.head = data_desc_fifo;
bam.pipe[DATA_PRODUCER_PIPE_INDEX].lock_grp = config->pipes.read_pipe_grp;
/* Set Write pipe params. */
bam.pipe[DATA_CONSUMER_PIPE_INDEX].pipe_num = config->pipes.write_pipe;
/* System producer */
bam.pipe[DATA_CONSUMER_PIPE_INDEX].trans_type = SYS2BAM;
bam.pipe[DATA_CONSUMER_PIPE_INDEX].fifo.size = QPIC_BAM_DATA_FIFO_SIZE;
bam.pipe[DATA_CONSUMER_PIPE_INDEX].fifo.head = data_desc_fifo;
bam.pipe[DATA_CONSUMER_PIPE_INDEX].lock_grp = config->pipes.write_pipe_grp;
/* Set Cmd pipe params. */
bam.pipe[CMD_PIPE_INDEX].pipe_num = config->pipes.cmd_pipe;
/* System consumer */
bam.pipe[CMD_PIPE_INDEX].trans_type = SYS2BAM;
bam.pipe[CMD_PIPE_INDEX].fifo.size = QPIC_BAM_CMD_FIFO_SIZE;
bam.pipe[CMD_PIPE_INDEX].fifo.head = cmd_desc_fifo;
bam.pipe[CMD_PIPE_INDEX].lock_grp = config->pipes.cmd_pipe_grp;
/* Programs the threshold for BAM transfer
* When this threshold is reached, BAM signals the peripheral via the pipe_bytes_available
* interface.
* The peripheral is signalled with this notification in the following cases:
* a. It has accumulated all the descriptors.
* b. It has accumulated more than threshold bytes.
* c. It has reached EOT (End Of Transfer).
* Note: this value needs to be set by the h/w folks and is specific for each peripheral.
*/
bam.threshold = 32;
/* Set the EE. */
bam.ee = config->ee;
/* Set the max desc length for this BAM. */
bam.max_desc_len = config->max_desc_len;
/* BAM Init. */
bam_init(&bam);
/* Initialize BAM QPIC read pipe */
bam_sys_pipe_init(&bam, DATA_PRODUCER_PIPE_INDEX);
/* Init read fifo */
bam_ret = bam_pipe_fifo_init(&bam, bam.pipe[DATA_PRODUCER_PIPE_INDEX].pipe_num);
if (bam_ret)
{
dprintf(CRITICAL, "QPIC:NANDc BAM Read FIFO init error\n");
bam_ret = NANDC_RESULT_FAILURE;
goto qpic_nand_bam_init_error;
}
/* Initialize BAM QPIC write pipe */
bam_sys_pipe_init(&bam, DATA_CONSUMER_PIPE_INDEX);
/* Init write fifo. Use the same fifo as read fifo. */
bam_ret = bam_pipe_fifo_init(&bam, bam.pipe[DATA_CONSUMER_PIPE_INDEX].pipe_num);
if (bam_ret)
{
dprintf(CRITICAL, "QPIC: NANDc: BAM Write FIFO init error\n");
bam_ret = NANDC_RESULT_FAILURE;
goto qpic_nand_bam_init_error;
}
/* Initialize BAM QPIC cmd pipe */
bam_sys_pipe_init(&bam, CMD_PIPE_INDEX);
/* Init cmd fifo */
bam_ret = bam_pipe_fifo_init(&bam, bam.pipe[CMD_PIPE_INDEX].pipe_num);
if (bam_ret)
{
dprintf(CRITICAL, "QPIC:NANDc BAM CMD FIFO init error\n");
bam_ret = NANDC_RESULT_FAILURE;
goto qpic_nand_bam_init_error;
}
qpic_nand_bam_init_error:
return bam_ret;
}