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diff --git a/arch/m68k/include/asm/amigahw.h b/arch/m68k/include/asm/amigahw.h
new file mode 100644
index 000000000..5ad568110
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+++ b/arch/m68k/include/asm/amigahw.h
@@ -0,0 +1,325 @@
+/*
+** asm-m68k/amigahw.h -- This header defines some macros and pointers for
+**                    the various Amiga custom hardware registers.
+**                    The naming conventions used here conform to those
+**                    used in the Amiga Hardware Reference Manual, 3rd Edition
+**
+** Copyright 1992 by Greg Harp
+**
+** This file is subject to the terms and conditions of the GNU General Public
+** License.  See the file COPYING in the main directory of this archive
+** for more details.
+**
+** Created: 9/24/92 by Greg Harp
+*/
+
+#ifndef _M68K_AMIGAHW_H
+#define _M68K_AMIGAHW_H
+
+#include <linux/ioport.h>
+
+#include <asm/bootinfo-amiga.h>
+
+
+    /*
+     *  Chipsets
+     */
+
+extern unsigned long amiga_chipset;
+
+
+    /*
+     *  Miscellaneous
+     */
+
+extern unsigned long amiga_eclock;	/* 700 kHz E Peripheral Clock */
+extern unsigned long amiga_colorclock;	/* 3.5 MHz Color Clock */
+extern unsigned long amiga_chip_size;	/* Chip RAM Size (bytes) */
+extern unsigned char amiga_vblank;	/* VBLANK Frequency */
+
+
+#define AMIGAHW_DECLARE(name)	unsigned name : 1
+#define AMIGAHW_SET(name)	(amiga_hw_present.name = 1)
+#define AMIGAHW_PRESENT(name)	(amiga_hw_present.name)
+
+struct amiga_hw_present {
+    /* video hardware */
+    AMIGAHW_DECLARE(AMI_VIDEO);		/* Amiga Video */
+    AMIGAHW_DECLARE(AMI_BLITTER);	/* Amiga Blitter */
+    AMIGAHW_DECLARE(AMBER_FF);		/* Amber Flicker Fixer */
+    /* sound hardware */
+    AMIGAHW_DECLARE(AMI_AUDIO);		/* Amiga Audio */
+    /* disk storage interfaces */
+    AMIGAHW_DECLARE(AMI_FLOPPY);	/* Amiga Floppy */
+    AMIGAHW_DECLARE(A3000_SCSI);	/* SCSI (wd33c93, A3000 alike) */
+    AMIGAHW_DECLARE(A4000_SCSI);	/* SCSI (ncr53c710, A4000T alike) */
+    AMIGAHW_DECLARE(A1200_IDE);		/* IDE (A1200 alike) */
+    AMIGAHW_DECLARE(A4000_IDE);		/* IDE (A4000 alike) */
+    AMIGAHW_DECLARE(CD_ROM);		/* CD ROM drive */
+    /* other I/O hardware */
+    AMIGAHW_DECLARE(AMI_KEYBOARD);	/* Amiga Keyboard */
+    AMIGAHW_DECLARE(AMI_MOUSE);		/* Amiga Mouse */
+    AMIGAHW_DECLARE(AMI_SERIAL);	/* Amiga Serial */
+    AMIGAHW_DECLARE(AMI_PARALLEL);	/* Amiga Parallel */
+    /* real time clocks */
+    AMIGAHW_DECLARE(A2000_CLK);		/* Hardware Clock (A2000 alike) */
+    AMIGAHW_DECLARE(A3000_CLK);		/* Hardware Clock (A3000 alike) */
+    /* supporting hardware */
+    AMIGAHW_DECLARE(CHIP_RAM);		/* Chip RAM */
+    AMIGAHW_DECLARE(PAULA);		/* Paula (8364) */
+    AMIGAHW_DECLARE(DENISE);		/* Denise (8362) */
+    AMIGAHW_DECLARE(DENISE_HR);		/* Denise (8373) */
+    AMIGAHW_DECLARE(LISA);		/* Lisa (8375) */
+    AMIGAHW_DECLARE(AGNUS_PAL);		/* Normal/Fat PAL Agnus (8367/8371) */
+    AMIGAHW_DECLARE(AGNUS_NTSC);	/* Normal/Fat NTSC Agnus (8361/8370) */
+    AMIGAHW_DECLARE(AGNUS_HR_PAL);	/* Fat Hires PAL Agnus (8372) */
+    AMIGAHW_DECLARE(AGNUS_HR_NTSC);	/* Fat Hires NTSC Agnus (8372) */
+    AMIGAHW_DECLARE(ALICE_PAL);		/* PAL Alice (8374) */
+    AMIGAHW_DECLARE(ALICE_NTSC);	/* NTSC Alice (8374) */
+    AMIGAHW_DECLARE(MAGIC_REKICK);	/* A3000 Magic Hard Rekick */
+    AMIGAHW_DECLARE(PCMCIA);		/* PCMCIA Slot */
+    AMIGAHW_DECLARE(ZORRO);		/* Zorro AutoConfig */
+    AMIGAHW_DECLARE(ZORRO3);		/* Zorro III */
+};
+
+extern struct amiga_hw_present amiga_hw_present;
+
+struct CUSTOM {
+    unsigned short bltddat;
+    unsigned short dmaconr;
+    unsigned short vposr;
+    unsigned short vhposr;
+    unsigned short dskdatr;
+    unsigned short joy0dat;
+    unsigned short joy1dat;
+    unsigned short clxdat;
+    unsigned short adkconr;
+    unsigned short pot0dat;
+    unsigned short pot1dat;
+    unsigned short potgor;
+    unsigned short serdatr;
+    unsigned short dskbytr;
+    unsigned short intenar;
+    unsigned short intreqr;
+    unsigned char  *dskptr;
+    unsigned short dsklen;
+    unsigned short dskdat;
+    unsigned short refptr;
+    unsigned short vposw;
+    unsigned short vhposw;
+    unsigned short copcon;
+    unsigned short serdat;
+    unsigned short serper;
+    unsigned short potgo;
+    unsigned short joytest;
+    unsigned short strequ;
+    unsigned short strvbl;
+    unsigned short strhor;
+    unsigned short strlong;
+    unsigned short bltcon0;
+    unsigned short bltcon1;
+    unsigned short bltafwm;
+    unsigned short bltalwm;
+    unsigned char  *bltcpt;
+    unsigned char  *bltbpt;
+    unsigned char  *bltapt;
+    unsigned char  *bltdpt;
+    unsigned short bltsize;
+    unsigned char  pad2d;
+    unsigned char  bltcon0l;
+    unsigned short bltsizv;
+    unsigned short bltsizh;
+    unsigned short bltcmod;
+    unsigned short bltbmod;
+    unsigned short bltamod;
+    unsigned short bltdmod;
+    unsigned short spare2[4];
+    unsigned short bltcdat;
+    unsigned short bltbdat;
+    unsigned short bltadat;
+    unsigned short spare3[3];
+    unsigned short deniseid;
+    unsigned short dsksync;
+    unsigned short *cop1lc;
+    unsigned short *cop2lc;
+    unsigned short copjmp1;
+    unsigned short copjmp2;
+    unsigned short copins;
+    unsigned short diwstrt;
+    unsigned short diwstop;
+    unsigned short ddfstrt;
+    unsigned short ddfstop;
+    unsigned short dmacon;
+    unsigned short clxcon;
+    unsigned short intena;
+    unsigned short intreq;
+    unsigned short adkcon;
+    struct {
+	unsigned short	*audlc;
+	unsigned short audlen;
+	unsigned short audper;
+	unsigned short audvol;
+	unsigned short auddat;
+	unsigned short audspare[2];
+    } aud[4];
+    unsigned char  *bplpt[8];
+    unsigned short bplcon0;
+    unsigned short bplcon1;
+    unsigned short bplcon2;
+    unsigned short bplcon3;
+    unsigned short bpl1mod;
+    unsigned short bpl2mod;
+    unsigned short bplcon4;
+    unsigned short clxcon2;
+    unsigned short bpldat[8];
+    unsigned char  *sprpt[8];
+    struct {
+	unsigned short pos;
+	unsigned short ctl;
+	unsigned short dataa;
+	unsigned short datab;
+    } spr[8];
+    unsigned short color[32];
+    unsigned short htotal;
+    unsigned short hsstop;
+    unsigned short hbstrt;
+    unsigned short hbstop;
+    unsigned short vtotal;
+    unsigned short vsstop;
+    unsigned short vbstrt;
+    unsigned short vbstop;
+    unsigned short sprhstrt;
+    unsigned short sprhstop;
+    unsigned short bplhstrt;
+    unsigned short bplhstop;
+    unsigned short hhposw;
+    unsigned short hhposr;
+    unsigned short beamcon0;
+    unsigned short hsstrt;
+    unsigned short vsstrt;
+    unsigned short hcenter;
+    unsigned short diwhigh;
+    unsigned short spare4[11];
+    unsigned short fmode;
+};
+
+/*
+ * DMA register bits
+ */
+#define DMAF_SETCLR		(0x8000)
+#define DMAF_AUD0		(0x0001)
+#define DMAF_AUD1		(0x0002)
+#define DMAF_AUD2		(0x0004)
+#define DMAF_AUD3		(0x0008)
+#define DMAF_DISK		(0x0010)
+#define DMAF_SPRITE		(0x0020)
+#define DMAF_BLITTER		(0x0040)
+#define DMAF_COPPER		(0x0080)
+#define DMAF_RASTER		(0x0100)
+#define DMAF_MASTER		(0x0200)
+#define DMAF_BLITHOG		(0x0400)
+#define DMAF_BLTNZERO		(0x2000)
+#define DMAF_BLTDONE		(0x4000)
+#define DMAF_ALL		(0x01FF)
+
+struct CIA {
+    unsigned char pra;		char pad0[0xff];
+    unsigned char prb;		char pad1[0xff];
+    unsigned char ddra;		char pad2[0xff];
+    unsigned char ddrb;		char pad3[0xff];
+    unsigned char talo;		char pad4[0xff];
+    unsigned char tahi;		char pad5[0xff];
+    unsigned char tblo;		char pad6[0xff];
+    unsigned char tbhi;		char pad7[0xff];
+    unsigned char todlo;	char pad8[0xff];
+    unsigned char todmid;	char pad9[0xff];
+    unsigned char todhi;	char pada[0x1ff];
+    unsigned char sdr;		char padb[0xff];
+    unsigned char icr;		char padc[0xff];
+    unsigned char cra;		char padd[0xff];
+    unsigned char crb;		char pade[0xff];
+};
+
+#define zTwoBase (0x80000000)
+#define ZTWO_PADDR(x) (((unsigned long)(x))-zTwoBase)
+#define ZTWO_VADDR(x) ((void __iomem *)(((unsigned long)(x))+zTwoBase))
+
+#define CUSTOM_PHYSADDR     (0xdff000)
+#define amiga_custom ((*(volatile struct CUSTOM *)(zTwoBase+CUSTOM_PHYSADDR)))
+
+#define CIAA_PHYSADDR	  (0xbfe001)
+#define CIAB_PHYSADDR	  (0xbfd000)
+#define ciaa   ((*(volatile struct CIA *)(zTwoBase + CIAA_PHYSADDR)))
+#define ciab   ((*(volatile struct CIA *)(zTwoBase + CIAB_PHYSADDR)))
+
+#define CHIP_PHYSADDR	    (0x000000)
+
+void amiga_chip_init (void);
+void *amiga_chip_alloc(unsigned long size, const char *name);
+void *amiga_chip_alloc_res(unsigned long size, struct resource *res);
+void amiga_chip_free(void *ptr);
+unsigned long amiga_chip_avail( void ); /*MILAN*/
+extern volatile unsigned short amiga_audio_min_period;
+
+static inline void amifb_video_off(void)
+{
+	if (amiga_chipset == CS_ECS || amiga_chipset == CS_AGA) {
+		/* program Denise/Lisa for a higher maximum play rate */
+		amiga_custom.htotal = 113;        /* 31 kHz */
+		amiga_custom.vtotal = 223;        /* 70 Hz */
+		amiga_custom.beamcon0 = 0x4390;   /* HARDDIS, VAR{BEAM,VSY,HSY,CSY}EN */
+		/* suspend the monitor */
+		amiga_custom.hsstrt = amiga_custom.hsstop = 116;
+		amiga_custom.vsstrt = amiga_custom.vsstop = 226;
+		amiga_audio_min_period = 57;
+	}
+}
+
+struct tod3000 {
+  unsigned int  :28, second2:4;	/* lower digit */
+  unsigned int  :28, second1:4;	/* upper digit */
+  unsigned int  :28, minute2:4;	/* lower digit */
+  unsigned int  :28, minute1:4;	/* upper digit */
+  unsigned int  :28, hour2:4;	/* lower digit */
+  unsigned int  :28, hour1:4;	/* upper digit */
+  unsigned int  :28, weekday:4;
+  unsigned int  :28, day2:4;	/* lower digit */
+  unsigned int  :28, day1:4;	/* upper digit */
+  unsigned int  :28, month2:4;	/* lower digit */
+  unsigned int  :28, month1:4;	/* upper digit */
+  unsigned int  :28, year2:4;	/* lower digit */
+  unsigned int  :28, year1:4;	/* upper digit */
+  unsigned int  :28, cntrl1:4;	/* control-byte 1 */
+  unsigned int  :28, cntrl2:4;	/* control-byte 2 */
+  unsigned int  :28, cntrl3:4;	/* control-byte 3 */
+};
+#define TOD3000_CNTRL1_HOLD	0
+#define TOD3000_CNTRL1_FREE	9
+#define tod_3000 ((*(volatile struct tod3000 *)(zTwoBase+0xDC0000)))
+
+struct tod2000 {
+  unsigned int  :28, second2:4;	/* lower digit */
+  unsigned int  :28, second1:4;	/* upper digit */
+  unsigned int  :28, minute2:4;	/* lower digit */
+  unsigned int  :28, minute1:4;	/* upper digit */
+  unsigned int  :28, hour2:4;	/* lower digit */
+  unsigned int  :28, hour1:4;	/* upper digit */
+  unsigned int  :28, day2:4;	/* lower digit */
+  unsigned int  :28, day1:4;	/* upper digit */
+  unsigned int  :28, month2:4;	/* lower digit */
+  unsigned int  :28, month1:4;	/* upper digit */
+  unsigned int  :28, year2:4;	/* lower digit */
+  unsigned int  :28, year1:4;	/* upper digit */
+  unsigned int  :28, weekday:4;
+  unsigned int  :28, cntrl1:4;	/* control-byte 1 */
+  unsigned int  :28, cntrl2:4;	/* control-byte 2 */
+  unsigned int  :28, cntrl3:4;	/* control-byte 3 */
+};
+
+#define TOD2000_CNTRL1_HOLD	(1<<0)
+#define TOD2000_CNTRL1_BUSY	(1<<1)
+#define TOD2000_CNTRL3_24HMODE	(1<<2)
+#define TOD2000_HOUR1_PM	(1<<2)
+#define tod_2000 ((*(volatile struct tod2000 *)(zTwoBase+0xDC0000)))
+
+#endif /* _M68K_AMIGAHW_H */