Linux-2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 188 insertions, 0 deletions

diff --git a/include/asm-m68knommu/mcfsmc.h b/include/asm-m68knommu/mcfsmc.h
new file mode 100644
index 000000000000..2583900b9591
--- /dev/null
+++ b/include/asm-m68knommu/mcfsmc.h
@@ -0,0 +1,188 @@
+/****************************************************************************/
+
+/*
+ *	mcfsmc.h -- SMC ethernet support for ColdFire environments.
+ *
+ *	(C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com)
+ *	(C) Copyright 2000, Lineo Inc. (www.lineo.com) 
+ */
+
+/****************************************************************************/
+#ifndef	mcfsmc_h
+#define	mcfsmc_h
+/****************************************************************************/
+
+/*
+ *	None of the current ColdFire targets that use the SMC91x111
+ *	allow 8 bit accesses. So this code is 16bit access only.
+ */
+
+#include <linux/config.h>
+
+#undef	outb
+#undef	inb
+#undef	outw
+#undef	outwd
+#undef	inw	
+#undef	outl
+#undef	inl
+
+#undef	outsb
+#undef	outsw
+#undef	outsl
+#undef	insb
+#undef	insw
+#undef	insl
+
+/*
+ *	Re-defines for ColdFire environment... The SMC part is
+ *	mapped into memory space, so remap the PC-style in/out
+ *	routines to handle that.
+ */
+#define	outb	smc_outb
+#define	inb	smc_inb
+#define	outw	smc_outw
+#define	outwd	smc_outwd
+#define	inw	smc_inw
+#define	outl	smc_outl
+#define	inl	smc_inl
+
+#define	outsb	smc_outsb
+#define	outsw	smc_outsw
+#define	outsl	smc_outsl
+#define	insb	smc_insb
+#define	insw	smc_insw
+#define	insl	smc_insl
+
+
+static inline int smc_inb(unsigned int addr)
+{
+	register unsigned short	w;
+	w = *((volatile unsigned short *) (addr & ~0x1));
+	return(((addr & 0x1) ? w : (w >> 8)) & 0xff);
+}
+
+static inline void smc_outw(unsigned int val, unsigned int addr)
+{
+	*((volatile unsigned short *) addr) = (val << 8) | (val >> 8);
+}
+
+static inline int smc_inw(unsigned int addr)
+{
+	register unsigned short	w;
+	w = *((volatile unsigned short *) addr);
+	return(((w << 8) | (w >> 8)) & 0xffff);
+}
+
+static inline void smc_outl(unsigned long val, unsigned int addr)
+{
+	*((volatile unsigned long *) addr) = 
+		((val << 8) & 0xff000000) | ((val >> 8) & 0x00ff0000) |
+		((val << 8) & 0x0000ff00) | ((val >> 8) & 0x000000ff);
+}
+
+static inline void smc_outwd(unsigned int val, unsigned int addr)
+{
+	*((volatile unsigned short *) addr) = val;
+}
+
+
+/*
+ *	The rep* functions are used to feed the data port with
+ *	raw data. So we do not byte swap them when copying.
+ */
+
+static inline void smc_insb(unsigned int addr, void *vbuf, int unsigned long len)
+{
+	volatile unsigned short	*rp;
+	unsigned short		*buf, *ebuf;
+
+	buf = (unsigned short *) vbuf;
+	rp = (volatile unsigned short *) addr;
+
+	/* Copy as words for as long as possible */
+	for (ebuf = buf + (len >> 1); (buf < ebuf); )
+		*buf++ = *rp;
+
+	/* Lastly, handle left over byte */
+	if (len & 0x1)
+		*((unsigned char *) buf) = (*rp >> 8) & 0xff;
+}
+
+static inline void smc_insw(unsigned int addr, void *vbuf, unsigned long len)
+{
+	volatile unsigned short	*rp;
+	unsigned short		*buf, *ebuf;
+
+	buf = (unsigned short *) vbuf;
+	rp = (volatile unsigned short *) addr;
+	for (ebuf = buf + len; (buf < ebuf); )
+		*buf++ = *rp;
+}
+
+static inline void smc_insl(unsigned int addr, void *vbuf, unsigned long len)
+{
+	volatile unsigned long	*rp;
+	unsigned long		*buf, *ebuf;
+
+	buf = (unsigned long *) vbuf;
+	rp = (volatile unsigned long *) addr;
+	for (ebuf = buf + len; (buf < ebuf); )
+		*buf++ = *rp;
+}
+
+static inline void smc_outsw(unsigned int addr, const void *vbuf, unsigned long len)
+{
+	volatile unsigned short	*rp;
+	unsigned short		*buf, *ebuf;
+
+	buf = (unsigned short *) vbuf;
+	rp = (volatile unsigned short *) addr;
+	for (ebuf = buf + len; (buf < ebuf); )
+		*rp = *buf++;
+}
+
+static inline void smc_outsl(unsigned int addr, void *vbuf, unsigned long len)
+{
+	volatile unsigned long	*rp;
+	unsigned long		*buf, *ebuf;
+
+	buf = (unsigned long *) vbuf;
+	rp = (volatile unsigned long *) addr;
+	for (ebuf = buf + len; (buf < ebuf); )
+		*rp = *buf++;
+}
+
+
+#ifdef CONFIG_NETtel
+/*
+ *	Re-map the address space of at least one of the SMC ethernet
+ *	parts. Both parts power up decoding the same address, so we
+ *	need to move one of them first, before doing enything else.
+ *
+ *	We also increase the number of wait states for this part by one.
+ */
+
+void smc_remap(unsigned int ioaddr)
+{
+	static int		once = 0;
+	extern unsigned short	ppdata;
+	if (once++ == 0) {
+		*((volatile unsigned short *)(MCF_MBAR+MCFSIM_PADDR)) = 0x00ec;
+		ppdata |= 0x0080;
+		*((volatile unsigned short *)(MCF_MBAR+MCFSIM_PADAT)) = ppdata;
+		outw(0x0001, ioaddr + BANK_SELECT);
+		outw(0x0001, ioaddr + BANK_SELECT);
+		outw(0x0067, ioaddr + BASE);
+
+		ppdata &= ~0x0080;
+		*((volatile unsigned short *)(MCF_MBAR+MCFSIM_PADAT)) = ppdata;
+	}
+	
+	*((volatile unsigned short *)(MCF_MBAR+MCFSIM_CSCR3)) = 0x1180;
+}
+
+#endif
+
+/****************************************************************************/
+#endif	/* mcfsmc_h */