/****************************************************************************/
/*
* mcfne.h -- NE2000 in ColdFire eval boards.
*
* (C) Copyright 1999-2000, Greg Ungerer (gerg@snapgear.com)
* (C) Copyright 2000, Lineo (www.lineo.com)
* (C) Copyright 2001, SnapGear (www.snapgear.com)
*
* 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>
/*
* Support for NE2000 clones devices in ColdFire based boards.
* Not all boards address these parts the same way, some use a
* direct addressing method, others use a side-band address space
* to access odd address registers, some require byte swapping
* others do not.
*/
#define BSWAP(w) (((w) << 8) | ((w) >> 8))
#define RSWAP(w) (w)
/*
* Define the basic hardware resources of NE2000 boards.
*/
#if defined(CONFIG_ARN5206)
#define NE2000_ADDR 0x40000300
#define NE2000_ODDOFFSET 0x00010000
#define NE2000_IRQ_VECTOR 0xf0
#define NE2000_IRQ_PRIORITY 2
#define NE2000_IRQ_LEVEL 4
#define NE2000_BYTE volatile unsigned short
#endif
#if defined(CONFIG_M5206eC3)
#define NE2000_ADDR 0x40000300
#define NE2000_ODDOFFSET 0x00010000
#define NE2000_IRQ_VECTOR 0x1c
#define NE2000_IRQ_PRIORITY 2
#define NE2000_IRQ_LEVEL 4
#define NE2000_BYTE volatile unsigned short
#endif
#if defined(CONFIG_M5206e) && defined(CONFIG_NETtel)
#define NE2000_ADDR 0x30000300
#define NE2000_IRQ_VECTOR 25
#define NE2000_IRQ_PRIORITY 1
#define NE2000_IRQ_LEVEL 3
#define NE2000_BYTE volatile unsigned char
#endif
#if defined(CONFIG_CFV240)
#define NE2000_ADDR 0x40010000
#define NE2000_ADDR1 0x40010001
#define NE2000_ODDOFFSET 0x00000000
#define NE2000_IRQ 1
#define NE2000_IRQ_VECTOR 0x19
#define NE2000_IRQ_PRIORITY 2
#define NE2000_IRQ_LEVEL 1
#define NE2000_BYTE volatile unsigned char
#endif
#if defined(CONFIG_M5307C3)
#define NE2000_ADDR 0x40000300
#define NE2000_ODDOFFSET 0x00010000
#define NE2000_IRQ_VECTOR 0x1b
#define NE2000_BYTE volatile unsigned short
#endif
#if defined(CONFIG_M5272) && defined(CONFIG_NETtel)
#define NE2000_ADDR 0x30600300
#define NE2000_ODDOFFSET 0x00008000
#define NE2000_IRQ_VECTOR 67
#undef BSWAP
#define BSWAP(w) (w)
#define NE2000_BYTE volatile unsigned short
#undef RSWAP
#define RSWAP(w) (((w) << 8) | ((w) >> 8))
#endif
#if defined(CONFIG_M5307) && defined(CONFIG_NETtel)
#define NE2000_ADDR0 0x30600300
#define NE2000_ADDR1 0x30800300
#define NE2000_ODDOFFSET 0x00008000
#define NE2000_IRQ_VECTOR0 27
#define NE2000_IRQ_VECTOR1 29
#undef BSWAP
#define BSWAP(w) (w)
#define NE2000_BYTE volatile unsigned short
#undef RSWAP
#define RSWAP(w) (((w) << 8) | ((w) >> 8))
#endif
#if defined(CONFIG_M5307) && defined(CONFIG_SECUREEDGEMP3)
#define NE2000_ADDR 0x30600300
#define NE2000_ODDOFFSET 0x00008000
#define NE2000_IRQ_VECTOR 27
#undef BSWAP
#define BSWAP(w) (w)
#define NE2000_BYTE volatile unsigned short
#undef RSWAP
#define RSWAP(w) (((w) << 8) | ((w) >> 8))
#endif
#if defined(CONFIG_ARN5307)
#define NE2000_ADDR 0xfe600300
#define NE2000_ODDOFFSET 0x00010000
#define NE2000_IRQ_VECTOR 0x1b
#define NE2000_IRQ_PRIORITY 2
#define NE2000_IRQ_LEVEL 3
#define NE2000_BYTE volatile unsigned short
#endif
#if defined(CONFIG_M5407C3)
#define NE2000_ADDR 0x40000300
#define NE2000_ODDOFFSET 0x00010000
#define NE2000_IRQ_VECTOR 0x1b
#define NE2000_BYTE volatile unsigned short
#endif
/****************************************************************************/
/*
* Side-band address space for odd address requires re-mapping
* many of the standard ISA access functions.
*/
#ifdef NE2000_ODDOFFSET
#undef outb
#undef outb_p
#undef inb
#undef inb_p
#undef outsb
#undef outsw
#undef insb
#undef insw
#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 of the mapped NE2000 device.
* On most NE2000 implementations on ColdFire boards the chip is
* mapped in kinda funny, due to its ISA heritage.
*/
#ifdef CONFIG_CFV240
#define NE2000_PTR(addr) (NE2000_ADDR + ((addr & 0x3f) << 1) + 1)
#define NE2000_DATA_PTR(addr) (NE2000_ADDR + ((addr & 0x3f) << 1))
#else
#define NE2000_PTR(addr) ((addr&0x1)?(NE2000_ODDOFFSET+addr-1):(addr))
#define NE2000_DATA_PTR(addr) (addr)
#endif
void ne2000_outb(unsigned int val, unsigned int addr)
{
NE2000_BYTE *rp;
rp = (NE2000_BYTE *) NE2000_PTR(addr);
*rp = RSWAP(val);
}
int ne2000_inb(unsigned int addr)
{
NE2000_BYTE *rp, val;
rp = (NE2000_BYTE *) NE2000_PTR(addr);
val = *rp;
return((int) ((NE2000_BYTE) RSWAP(val)));
}
void ne2000_insb(unsigned int addr, void *vbuf, int unsigned long len)
{
NE2000_BYTE *rp, val;
unsigned char *buf;
buf = (unsigned char *) vbuf;
rp = (NE2000_BYTE *) NE2000_DATA_PTR(addr);
for (; (len > 0); len--) {
val = *rp;
*buf++ = RSWAP(val);
}
}
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_DATA_PTR(addr);
for (; (len > 0); len--) {
w = *rp;
*buf++ = BSWAP(w);
}
}
void ne2000_outsb(unsigned int addr, const void *vbuf, unsigned long len)
{
NE2000_BYTE *rp, val;
unsigned char *buf;
buf = (unsigned char *) vbuf;
rp = (NE2000_BYTE *) NE2000_DATA_PTR(addr);
for (; (len > 0); len--) {
val = *buf++;
*rp = RSWAP(val);
}
}
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 = (volatile unsigned short *) NE2000_DATA_PTR(addr);
for (; (len > 0); len--) {
w = *buf++;
*rp = BSWAP(w);
}
}
#endif /* COLDFIRE_NE2000_FUNCS */
#endif /* NE2000_OFFOFFSET */
/****************************************************************************/
#ifdef COLDFIRE_NE2000_FUNCS
/*
* Lastly the interrupt set up code...
* Minor differences between the different board types.
*/
#if defined(CONFIG_ARN5206)
void ne2000_irqsetup(int irq)
{
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_M5206eC3)
void ne2000_irqsetup(int irq)
{
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_CFV240)
void ne2000_irqsetup(int irq)
{
volatile unsigned char *icrp;
icrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_ICR1);
*icrp = MCFSIM_ICR_LEVEL1 | MCFSIM_ICR_PRI2 | MCFSIM_ICR_AUTOVEC;
mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT1);
}
#endif
#if defined(CONFIG_M5206e) && defined(CONFIG_NETtel)
void ne2000_irqsetup(int irq)
{
mcf_autovector(irq);
}
#endif
#if defined(CONFIG_M5272) && defined(CONFIG_NETtel)
void ne2000_irqsetup(int irq)
{
volatile unsigned long *icrp;
volatile unsigned long *pitr;
/* The NE2000 device uses external IRQ3 */
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
*icrp = (*icrp & 0x77077777) | 0x00d00000;
pitr = (volatile unsigned long *) (MCF_MBAR + MCFSIM_PITR);
*pitr = *pitr | 0x20000000;
}
void ne2000_irqack(int irq)
{
volatile unsigned long *icrp;
/* The NE2000 device uses external IRQ3 */
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
*icrp = (*icrp & 0x77777777) | 0x00800000;
}
#endif
#if defined(CONFIG_M5307) || defined(CONFIG_M5407)
#if defined(CONFIG_NETtel) || defined(CONFIG_SECUREEDGEMP3)
void ne2000_irqsetup(int irq)
{
mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3);
mcf_autovector(irq);
}
#else
void ne2000_irqsetup(int irq)
{
mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_EINT3);
}
#endif /* ! CONFIG_NETtel || CONFIG_SECUREEDGEMP3 */
#endif /* CONFIG_M5307 || CONFIG_M5407 */
#endif /* COLDFIRE_NE2000_FUNCS */
/****************************************************************************/
#endif /* mcfne_h */
