/**
* Read a block of data from the NAND device attached to an AT91SAM9. This
* utilizes the ARM hosted NAND read function.
*
* @param nand NAND device to read from.
* @param data Pointer to where the read data should be placed.
* @param size Size of the data being read.
* @return Success or failure of the hosted read.
*/
static int at91sam9_read_block_data(struct nand_device *nand, uint8_t *data, int size)
{
struct at91sam9_nand *info = nand->controller_priv;
struct arm_nand_data *io = &info->io;
int status;
if (!at91sam9_halted(nand->target, "read block"))
return ERROR_NAND_OPERATION_FAILED;
io->chunk_size = nand->page_size;
status = arm_nandread(io, data, size);
return status;
}
static int nuc910_nand_read_block_data(struct nand_device *nand,
uint8_t *data, int data_size)
{
struct nuc910_nand_controller *nuc910_nand = nand->controller_priv;
int result;
if ((result = validate_target_state(nand)) != ERROR_OK)
return result;
nuc910_nand->io.chunk_size = nand->page_size;
/* try the fast way first */
result = arm_nandread(&nuc910_nand->io, data, data_size);
if (result != ERROR_NAND_NO_BUFFER)
return result;
/* else do it slowly */
while (data_size--)
nuc910_nand_read(nand, data++);
return ERROR_OK;
}
