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/****************************************************************************/

/*

 *      mcfne.h -- NE2000 in ColdFire eval boards.

 *

 *      (C) Copyright 1999-2000, Greg Ungerer (gerg@moreton.com.au)

 *

 *      19990409 David W. Miller  Converted from m5206ne.h for 5307 eval board

 *

 *      Hacked support for m5206e Cadre III evaluation board

 *      Fred Stevens (fred.stevens@pemstar.com) 13 April 1999

 */

/****************************************************************************/

#ifndef mcfne_h

#define mcfne_h

/****************************************************************************/

#include <linux/config.h>

/*

 *      Everything in here is to remap the standard PC style

 *      ISA bus access to eval board style ISA bus access.

 */

/*

 *      Define the basic hardware resources of NE2000 board.

 *      The ISA bus is memory mapped on the eval board, with a

 *      really funky method for accessing odd addresses.

 */

#if defined(CONFIG_M5206)

/*

 *      Defines specific to the 5206 eval boards.

 */

#define NE2000_ADDR             0x40000000

#define NE2000_ODDOFFSET        0x00010000

#define NE2000_IRQ_VECTOR       0xf0

#define NE2000_IRQ_PRIORITY     2

#define NE2000_IRQ_LEVEL        4

#endif

#if defined(CONFIG_CADRE3) && defined(CONFIG_M5307)

#define NE2000_ADDR             0x40000000

#define NE2000_ODDOFFSET        0x00010000

#define NE2000_IRQ_VECTOR       0x1b

#elif defined(CONFIG_CADRE3)

#define NE2000_ADDR             0x40000000

#define NE2000_ODDOFFSET        0x00010000

#define NE2000_IRQ_VECTOR       0x1c

#define NE2000_IRQ_PRIORITY     2

#define NE2000_IRQ_LEVEL        4

#elif defined(CONFIG_NETtel)

#define NE2000_ADDR             0x30000000

#define NE2000_IRQ_VECTOR       25

#define NE2000_IRQ_PRIORITY     1

#define NE2000_IRQ_LEVEL        3

#elif defined(CONFIG_M5307)

/*

 *      Defines for addressing setup of the 5307 eval board.

 */

#define NE2000_ADDR             0xfe600000

#define NE2000_ODDOFFSET        0x00010000

#define NE2000_IRQ_VECTOR       0x1b

#define NE2000_IRQ_PRIORITY     2

#define NE2000_IRQ_LEVEL        3

#endif

/*

 *      Define the PC type resources that the NE2000 board thinks

 *      it is using.

 */

#define NE2000_ISA_IO           0x300

#if defined(CONFIG_CADRE3) && defined(CONFIG_M5206e)

#define NE2000_ISA_IRQ          4

#else

#define NE2000_ISA_IRQ          3

#endif

/*

 *      The NETtel NE2000 part is mapped in a very strait forward

 *      way. The standard memory versions of inb/outb will do the

 *      job.

 */

#ifdef CONFIG_NETtel

#ifdef COLDFIRE_NE2000_FUNCS

void ne2000_irqsetup(void)

{

        mcf_autovector(NE2000_IRQ_VECTOR);

        mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT1);

}

#endif /* COLDFIRE_NE2000_FUNCS */

#else

/*

 *      Re-defines for ColdFire environment... The ne2000 board is

 *      mapped in sorta strangely, make adjustments for it.

 */

#undef outb

#undef outb_p

#undef inb

#undef inb_p

#define outb    ne2000_outb

#define inb     ne2000_inb

#define outb_p  ne2000_outb

#define inb_p   ne2000_inb

#define outsb   ne2000_outsb

#define outsw   ne2000_outsw

#define insb    ne2000_insb

#define insw    ne2000_insw

#ifndef COLDFIRE_NE2000_FUNCS

void ne2000_outb(unsigned int val, unsigned int addr);

int  ne2000_inb(unsigned int addr);

void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len);

void ne2000_insw(unsigned int addr, void *vbuf, unsigned long len);

void ne2000_outsb(unsigned int addr, void *vbuf, unsigned long len);

void ne2000_outsw(unsigned int addr, void *vbuf, unsigned long len);

#else

/*

 *      This macro converts a conventional register address into the

 *      real memory pointer on the SBC5206 eval board...

 *      This is only needed if the address can be odd!

 */

#define NE2000_PTR(addr)                                        \

        ((volatile unsigned short *) ((addr & 0x1) ?            \

                (NE2000_ADDR + NE2000_ODDOFFSET + addr - 1) :   \

                (NE2000_ADDR + addr)))

void ne2000_outb(unsigned int val, unsigned int addr)

{

        volatile unsigned short *rp;

        rp = NE2000_PTR(addr);

        *rp = val;

}

int ne2000_inb(unsigned int addr)

{

        volatile unsigned short *rp;

        rp = NE2000_PTR(addr);

        return(*rp);

}

void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len)

{

        volatile unsigned short *rp;

        unsigned char           *buf;

        buf = (unsigned char *) vbuf;

        rp = NE2000_PTR(addr);

        for (; (len > 0); len--)

                *buf++ = *rp;

}

void ne2000_insw(unsigned int addr, void *vbuf, unsigned long len)

{

        volatile unsigned short *rp;

        unsigned short          w, *buf;

        buf = (unsigned short *) vbuf;

        rp = (volatile unsigned short *) (NE2000_ADDR + addr);

        for (; (len > 0); len--) {

                w = *rp;

                *buf++ = ((w & 0xff) << 8) | ((w >> 8) & 0xff);

        }

}

void ne2000_outsb(unsigned int addr, const void *vbuf, unsigned long len)

{

        volatile unsigned short *rp;

        unsigned char           *buf;

        buf = (unsigned char *) vbuf;

        rp = NE2000_PTR(addr);

        for (; (len > 0); len--)

                *rp = *buf++;

}

void ne2000_outsw(unsigned int addr, const void *vbuf, unsigned long len)

{

        volatile unsigned short *rp;

        unsigned short          w, *buf;

        buf = (unsigned short *) vbuf;

        /*rp = NE2000_PTR(addr);*/

        rp = (volatile unsigned short *) (NE2000_ADDR + addr);

        for (; (len > 0); len--) {

                w = *buf++;

                *rp = ((w & 0xff) << 8) | ((w >> 8) & 0xff);

        }

}

/*

 *      Lastly the interrupt set up code...

 *      Minor diferences between the different board types.

 */

#if defined(CONFIG_M5206)

void ne2000_irqsetup(void)

{

        volatile unsigned char  *icrp;

        icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR4);

        *icrp = MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI2;

        mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT4);

}

#endif

#if defined(CONFIG_CADRE3) && !defined(CONFIG_M5307)

void ne2000_irqsetup(void)

{

        volatile unsigned char  *icrp;

        icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR4);

        *icrp = MCFSIM_ICR_LEVEL4 | MCFSIM_ICR_PRI2 | MCFSIM_ICR_AUTOVEC;

        mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT4);

}

#endif

#if defined(CONFIG_M5307)

void ne2000_irqsetup(void)

{

        mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3);

        printk("\nSIM: %08lx\n", mcf_getimr());

}

#endif

#endif /* COLDFIRE_NE2000_FUNCS */

#endif /* CONFIG_NETtel */

/****************************************************************************/

#endif  /* mcfne_h */