+
+// Gayle Addresses
+#define GAYLE_IDE_BASE_A1200 0xDA2000 //16bit base
+#define GAYLE_IDE_BASE_A4000 0xDD2020
+
+// Gayle IDE Reads
+#define GERROR 0xda2004 // Error
+#define GSTATUS 0xda201C // Status
+#define GERROR_A4000 GAYLE_IDE_BASE_A4000 + 0x06 // Error
+#define GSTATUS_A4000 GAYLE_IDE_BASE_A4000 + 0x1E // Status
+
+// Gayle IDE read offsets
+#define GERROR_OFFSET 0x04
+#define GSTATUS_OFFSET 0x1C
+// Gayle IDE write offsets
+#define GFEAT_OFFSET 0x04
+#define GCMD_OFFSET 0x1C
+// Gayle IDE RW offsets
+#define GDATA_OFFSET 0x00
+#define GSECTCOUNT_OFFSET 0x08
+#define GSECTNUM_OFFSET 0x0C
+#define GCYLLOW_OFFSET 0x10
+#define GCYLHIGH_OFFSET 0x14
+#define GDEVHEAD_OFFSET 0x18
+#define GCTRL_OFFSET 0x1018
+#define GIRQ_OFFSET 0x7000
+#define GIRQ_4000_OFFSET 0x0FFE
+
+// Gayle IDE Writes
+#define GFEAT 0xda2004 // Write : Feature
+#define GCMD 0xda201c // Write : Command
+#define GFEAT_A4000 GAYLE_IDE_BASE_A4000 + 0x06 // Write : Feature
+#define GCMD_A4000 GAYLE_IDE_BASE_A4000 + 0x1E // Write : Command
+#define GMODEREG0_A4000 0x0DD1020 // D31, PIO modes (00,01,10)
+#define GMODEREG1_A4000 0x0DD1022 // D31, (MSB)
+
+// Gayle IDE RW
+#define GDATA 0xda2000 // Data - 16 bit
+#define GSECTCNT 0xda2008 // SectorCount
+#define GSECTNUM 0xda200c // SectorNumber
+#define GCYLLOW 0xda2010 // CylinderLow
+#define GCYLHIGH 0xda2014 // CylinderHigh
+#define GDEVHEAD 0xda2018 // Device/Head
+#define GCTRL 0xda3018 // Control
+
+#define GDATA_A4000 GAYLE_IDE_BASE_A4000 // Data
+#define GSECTCNT_A4000 GAYLE_IDE_BASE_A4000 + 0x0a // SectorCount
+#define GSECTNUM_A4000 GAYLE_IDE_BASE_A4000 + 0x0e // SectorNumber
+#define GCYLLOW_A4000 GAYLE_IDE_BASE_A4000 + 0x12 // CylinderLow
+#define GCYLHIGH_A4000 GAYLE_IDE_BASE_A4000 + 0x16 // CylinderHigh
+#define GDEVHEAD_A4000 GAYLE_IDE_BASE_A4000 + 0x1a // Device/Head
+#define GCTRL_A4000 GAYLE_IDE_BASE_A4000 + 0x101a // Control
+
+// For A4000 there's no need to populate other areas, just GIRQ
+#define GIRQ_A4000 GAYLE_IDE_BASE_A4000 + 0x1000 // IRQ 0xDD3020
+
+// Gayle Ident
+#define GIDENT 0xDE1000
+
+// Gayle IRQ/CC
+#define GCS 0xDA8000 // Card Control
+#define GIRQ 0xDA9000 // IRQ
+#define GINT 0xDAA000 // Int enable
+#define GCONF 0xDAB000 // Gayle Config
+
+/* DA8000 */
+#define GAYLE_CS_IDE 0x80 /* IDE int status */
+#define GAYLE_CS_CCDET 0x40 /* credit card detect */
+#define GAYLE_CS_BVD1 0x20 /* battery voltage detect 1 */
+#define GAYLE_CS_SC 0x20 /* credit card status change */
+#define GAYLE_CS_BVD2 0x10 /* battery voltage detect 2 */
+#define GAYLE_CS_DA 0x10 /* digital audio */
+#define GAYLE_CS_WR 0x08 /* write enable (1 == enabled) */
+#define GAYLE_CS_BSY 0x04 /* credit card busy */
+#define GAYLE_CS_IRQ 0x04 /* interrupt request */
+#define GAYLE_CS_DAEN 0x02 /* enable digital audio */
+#define GAYLE_CS_DIS 0x01 /* disable PCMCIA slot */
+
+/* DA9000 */
+#define GAYLE_IRQ_IDE 0x80
+#define GAYLE_IRQ_CCDET 0x40 /* credit card detect */
+#define GAYLE_IRQ_BVD1 0x20 /* battery voltage detect 1 */
+#define GAYLE_IRQ_SC 0x20 /* credit card status change */
+#define GAYLE_IRQ_BVD2 0x10 /* battery voltage detect 2 */
+#define GAYLE_IRQ_DA 0x10 /* digital audio */
+#define GAYLE_IRQ_WR 0x08 /* write enable (1 == enabled) */
+#define GAYLE_IRQ_BSY 0x04 /* credit card busy */
+#define GAYLE_IRQ_IRQ 0x04 /* interrupt request */
+#define GAYLE_IRQ_RESET 0x02 /* reset machine after CCDET change */
+#define GAYLE_IRQ_BERR 0x01 /* generate bus error after CCDET change */
+
+/* DAA000 */
+#define GAYLE_INT_IDE 0x80 /* IDE interrupt enable */
+#define GAYLE_INT_CCDET 0x40 /* credit card detect change enable */
+#define GAYLE_INT_BVD1 0x20 /* battery voltage detect 1 change enable */
+#define GAYLE_INT_SC 0x20 /* credit card status change enable */
+#define GAYLE_INT_BVD2 0x10 /* battery voltage detect 2 change enable */
+#define GAYLE_INT_DA 0x10 /* digital audio change enable */
+#define GAYLE_INT_WR 0x08 /* write enable change enabled */
+#define GAYLE_INT_BSY 0x04 /* credit card busy */
+#define GAYLE_INT_IRQ 0x04 /* credit card interrupt request */
+#define GAYLE_INT_BVD_LEV 0x02 /* BVD int level, 0=lev2,1=lev6 */
+#define GAYLE_INT_BSY_LEV 0x01 /* BSY int level, 0=lev2,1=lev6 */
+