[ARM] EBSA110 I/O and decompressor fixes.

This fixes the buggy decompressor assembly, and fixes PCMCIA IO
to use the correct byte lane when accessing certain PCMCIA cards.

arch/arm/Makefile

@@ -94,6 +94,13 @@ textaddr-$(CONFIG_ARCH_FORTUNET)   := 0xc0008000
  machine-$(CONFIG_ARCH_LH7A40X)	   := lh7a40x
  machine-$(CONFIG_ARCH_VERSATILE_PB) := versatile
 
+ifeq ($(CONFIG_ARCH_EBSA110),y)
+# This is what happens if you forget the IOCS16 line.
+# PCMCIA cards stop working.
+CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
+export CFLAGS_3c589_cs.o
+endif
+
 TEXTADDR := $(textaddr-y)
 ifeq ($(incdir-y),)
 incdir-y := $(machine-y)

arch/arm/mach-ebsa110/io.c

@@ -139,7 +139,11 @@ EXPORT_SYMBOL(__writel);
 	 ((p) >> 3) == (0x2f8 >> 3) || \
 	 ((p) >> 3) == (0x378 >> 3))
 
-u8 __inb(int port)
+/*
+ * We're addressing an 8 or 16-bit peripheral which tranfers
+ * odd addresses on the low ISA byte lane.
+ */
+u8 __inb8(unsigned int port)
 {
 	u32 ret;
 
@@ -162,7 +166,31 @@ u8 __inb(int port)
 	return ret;
 }
 
-u16 __inw(int port)
+/*
+ * We're addressing a 16-bit peripheral which transfers odd
+ * addresses on the high ISA byte lane.
+ */
+u8 __inb16(unsigned int port)
+{
+	u32 ret;
+
+	/*
+	 * The SuperIO registers use sane addressing techniques...
+	 */
+	if (SUPERIO_PORT(port))
+		ret = __raw_readb(ISAIO_BASE + (port << 2));
+	else {
+		u32 a = ISAIO_BASE + ((port & ~1) << 1);
+
+		/*
+		 * Shame nothing else does
+		 */
+		ret = __raw_readb(a + (port & 1));
+	}
+	return ret;
+}
+
+u16 __inw(unsigned int port)
 {
 	u32 ret;
 
@@ -185,17 +213,27 @@ u16 __inw(int port)
 	return ret;
 }
 
-u32 __inl(int port)
+/*
+ * Fake a 32-bit read with two 16-bit reads.  Needed for 3c589.
+ */
+u32 __inl(unsigned int port)
 {
-	BUG();
-	return 0;
+	u32 a;
+
+	if (SUPERIO_PORT(port) || port & 3)
+		BUG();
+
+	a = ISAIO_BASE + (port << 1);
+
+	return __raw_readw(a) | __raw_readw(a + 4) << 16;
 }
 
-EXPORT_SYMBOL(__inb);
+EXPORT_SYMBOL(__inb8);
+EXPORT_SYMBOL(__inb16);
 EXPORT_SYMBOL(__inw);
 EXPORT_SYMBOL(__inl);
 
-void __outb(u8 val, int port)
+void __outb8(u8 val, unsigned int port)
 {
 	/*
 	 * The SuperIO registers use sane addressing techniques...
@@ -215,7 +253,24 @@ void __outb(u8 val, int port)
 	}
 }
 
-void __outw(u16 val, int port)
+void __outb16(u8 val, unsigned int port)
+{
+	/*
+	 * The SuperIO registers use sane addressing techniques...
+	 */
+	if (SUPERIO_PORT(port))
+		__raw_writeb(val, ISAIO_BASE + (port << 2));
+	else {
+		u32 a = ISAIO_BASE + ((port & ~1) << 1);
+
+		/*
+		 * Shame nothing else does
+		 */
+		__raw_writeb(val, a + (port & 1));
+	}
+}
+
+void __outw(u16 val, unsigned int port)
 {
 	u32 off;
 
@@ -225,7 +280,7 @@ void __outw(u16 val, int port)
 	if (SUPERIO_PORT(port))
 		off = port << 2;
 	else {
-		off = (port & ~1) << 1;
+		off = port << 1;
 		if (port & 1)
 			BUG();
 
@@ -233,12 +288,13 @@ void __outw(u16 val, int port)
 	__raw_writew(val, ISAIO_BASE + off);
 }
 
-void __outl(u32 val, int port)
+void __outl(u32 val, unsigned int port)
 {
 	BUG();
 }
 
-EXPORT_SYMBOL(__outb);
+EXPORT_SYMBOL(__outb8);
+EXPORT_SYMBOL(__outb16);
 EXPORT_SYMBOL(__outw);
 EXPORT_SYMBOL(__outl);
 
@@ -315,12 +371,29 @@ void insw(unsigned int port, void *from, int len)
 EXPORT_SYMBOL(outsw);
 EXPORT_SYMBOL(insw);
 
+/*
+ * We implement these as 16-bit insw/outsw, mainly for
+ * 3c589 cards.
+ */
 void outsl(unsigned int port, const void *from, int len)
 {
-	panic("outsl not supported on this architecture");
+	u32 off = port << 1;
+
+	if (SUPERIO_PORT(port) || port & 3)
+		BUG();
+
+	__raw_writesw(ISAIO_BASE + off, from, len << 1);
 }
 
 void insl(unsigned int port, void *from, int len)
 {
-	panic("insl not supported on this architecture");
+	u32 off = port << 1;
+
+	if (SUPERIO_PORT(port) || port & 3)
+		BUG();
+
+	__raw_readsw(ISAIO_BASE + off, from, len << 1);
 }
+
+EXPORT_SYMBOL(outsl);
+EXPORT_SYMBOL(insl);

include/asm-arm/arch-ebsa110/io.h

@@ -15,26 +15,44 @@
 
 #define IO_SPACE_LIMIT 0xffff
 
-u8  __inb(int port);
-u16 __inw(int port);
-u32 __inl(int port);
+u8 __inb8(unsigned int port);
+void __outb8(u8  val, unsigned int port);
 
-#define inb(p)			__inb(p)
-#define inw(p)			__inw(p)
-#define inl(p)			__inl(p)
+u8 __inb16(unsigned int port);
+void __outb16(u8  val, unsigned int port);
 
-void __outb(u8  val, int port);
-void __outw(u16 val, int port);
-void __outl(u32 val, int port);
+u16 __inw(unsigned int port);
+void __outw(u16 val, unsigned int port);
 
-#define outb(v,p)		__outb(v,p)
-#define outw(v,p)		__outw(v,p)
-#define outl(v,p)		__outl(v,p)
+u32 __inl(unsigned int port);
+void __outl(u32 val, unsigned int port);
 
 u8  __readb(void *addr);
 u16 __readw(void *addr);
 u32 __readl(void *addr);
 
+void __writeb(u8  val, void *addr);
+void __writew(u16 val, void *addr);
+void __writel(u32 val, void *addr);
+
+/*
+ * Argh, someone forgot the IOCS16 line.  We therefore have to handle
+ * the byte stearing by selecting the correct byte IO functions here.
+ */
+#ifdef ISA_SIXTEEN_BIT_PERIPHERAL
+#define inb(p) 			__inb16(p)
+#define outb(v,p)		__outb16(v,p)
+#else
+#define inb(p)			__inb8(p)
+#define outb(v,p)		__outb8(v,p)
+#endif
+
+#define inw(p)			__inw(p)
+#define outw(v,p)		__outw(v,p)
+
+#define inl(p)			__inl(p)
+#define outl(v,p)		__outl(v,p)
+
 #define readb(b)		__readb(b)
 #define readw(b)		__readw(b)
 #define readl(b)		__readl(b)
@@ -42,10 +60,6 @@ u32 __readl(void *addr);
 #define readw_relaxed(addr)	readw(addr)
 #define readl_relaxed(addr)	readl(addr)
 
-void __writeb(u8  val, void *addr);
-void __writew(u16 val, void *addr);
-void __writel(u32 val, void *addr);
-
 #define writeb(v,b)		__writeb(v,b)
 #define writew(v,b)		__writew(v,b)
 #define writel(v,b)		__writel(v,b)
@@ -53,4 +67,12 @@ void __writel(u32 val, void *addr);
 #define __arch_ioremap(cookie,sz,c,a)	((void *)(cookie))
 #define __arch_iounmap(cookie)		do { } while (0)
 
+extern void insb(unsigned int port, void *buf, int sz);
+extern void insw(unsigned int port, void *buf, int sz);
+extern void insl(unsigned int port, void *buf, int sz);
+
+extern void outsb(unsigned int port, const void *buf, int sz);
+extern void outsw(unsigned int port, const void *buf, int sz);
+extern void outsl(unsigned int port, const void *buf, int sz);
+
 #endif

include/asm-arm/arch-ebsa110/uncompress.h

@@ -13,6 +13,7 @@
  */
 static void puts(const char *s)
 {
+	unsigned long tmp1, tmp2;
 	__asm__ __volatile__(
 	"ldrb	%0, [%2], #1\n"
 "	teq	%0, #0\n"
@@ -32,7 +33,8 @@ static void puts(const char *s)
 "	and	%1, %1, #0x60\n"
 "	teq	%1, #0x60\n"
 "	bne	3b"
-	: : "r" (0), "r" (0), "r" (s), "r" (0xf0000be0) : "cc");
+	: "=&r" (tmp1), "=&r" (tmp2)
+	: "r" (s), "r" (0xf0000be0) : "cc");
 }
 
 /*