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+/****************************************************************************/
+
+/*
+ * 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 */
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