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Diffstat (limited to 'arch/m68k/include/asm/mcfne.h')
| -rw-r--r-- | arch/m68k/include/asm/mcfne.h | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/mcfne.h b/arch/m68k/include/asm/mcfne.h new file mode 100644 index 00000000000..431f63aadd0 --- /dev/null +++ b/arch/m68k/include/asm/mcfne.h @@ -0,0 +1,325 @@ +/****************************************************************************/ + +/* + * 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 +/****************************************************************************/ + + +/* + * 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_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. + */ +#define NE2000_PTR(addr) ((addr&0x1)?(NE2000_ODDOFFSET+addr-1):(addr)) +#define NE2000_DATA_PTR(addr) (addr) + + +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_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 */ |