- retry = blkcnt * 16;
- while (retry > 0) {
- int idx;
-
- /* Wait for buffer to become ready. */
- while (! (ace_readw(0x04) & 0x0020)) {
- udelay(1000);
- }
-
- /* Read 16 words of 2bytes from the sector buffer. */
- for (idx = 0 ; idx < 16 ; idx += 1) {
- unsigned short val = ace_readw(0x40);
- *dp++ = val & 0xff;
- *dp++ = (val>>8) & 0xff;
+#ifdef DEBUG_SYSTEMACE
+ printf("... transfer %lu sector in a chunk\n", trans);
+#endif
+ /* Write LBA block address */
+ ace_writew((start>> 0) & 0xffff, 0x10);
+ ace_writew((start>>16) & 0x00ff, 0x12);
+
+ /* NOTE: in the Write Sector count below, a count of 0
+ causes a transfer of 256, so &0xff gives the right
+ value for whatever transfer count we want. */
+
+ /* Write sector count | ReadMemCardData. */
+ ace_writew((trans&0xff) | 0x0300, 0x14);
+
+ retry = trans * 16;
+ while (retry > 0) {
+ int idx;
+
+ /* Wait for buffer to become ready. */
+ while (! (ace_readw(0x04) & 0x0020)) {
+ udelay(100);
+ }
+
+ /* Read 16 words of 2bytes from the sector buffer. */
+ for (idx = 0 ; idx < 16 ; idx += 1) {
+ unsigned short val = ace_readw(0x40);
+ *dp++ = val & 0xff;
+ *dp++ = (val>>8) & 0xff;
+ }
+
+ retry -= 1;