static void sdhci_data_transfer(void *opaque);
+#define BLOCK_SIZE_MASK (4 * KiB - 1)
+
static void sdhci_send_command(SDHCIState *s)
{
SDRequest request;
sdhci_update_irq(s);
- if (!timeout && s->blksize && (s->cmdreg & SDHC_CMD_DATA_PRESENT)) {
+ if (!timeout && (s->blksize & BLOCK_SIZE_MASK) &&
+ (s->cmdreg & SDHC_CMD_DATA_PRESENT)) {
s->data_count = 0;
sdhci_data_transfer(s);
}
/*
* Programmed i/o data transfer
*/
-#define BLOCK_SIZE_MASK (4 * KiB - 1)
/* Fill host controller's read buffer with BLKSIZE bytes of data from card */
static void sdhci_read_block_from_card(SDHCIState *s)
s->sdmasysad = (s->sdmasysad & mask) | value;
MASKED_WRITE(s->sdmasysad, mask, value);
/* Writing to last byte of sdmasysad might trigger transfer */
- if (!(mask & 0xFF000000) && s->blkcnt && s->blksize &&
+ if (!(mask & 0xFF000000) && s->blkcnt &&
+ (s->blksize & BLOCK_SIZE_MASK) &&
SDHC_DMA_TYPE(s->hostctl1) == SDHC_CTRL_SDMA) {
if (s->trnmod & SDHC_TRNS_MULTI) {
sdhci_sdma_transfer_multi_blocks(s);
if (!TRANSFERRING_DATA(s->prnsts)) {
uint16_t blksize = s->blksize;
- MASKED_WRITE(s->blksize, mask, extract32(value, 0, 12));
+ /*
+ * [14:12] SDMA Buffer Boundary
+ * [11:00] Transfer Block Size
+ */
+ MASKED_WRITE(s->blksize, mask, extract32(value, 0, 15));
MASKED_WRITE(s->blkcnt, mask >> 16, value >> 16);
/* Limit block size to the maximum buffer size */