#define ATA_BLOCKSIZE 512 /* bytes */
#define ATA_BLOCKSHIFT 9 /* 2 ^ ATA_BLOCKSIZESHIFT = 512 */
-#define ATA_SECTORWORDS (512 / sizeof(unsigned long))
+#define ATA_SECTORWORDS (512 / sizeof(uint32_t))
#ifndef ATA_RESET_TIME
#define ATA_RESET_TIME 60 /* spec allows up to 31 seconds */