X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-arm%2Farch-ixp4xx%2Fio.h;h=0d517267fb63edf0d49809fd64c701629e2c1d41;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=5400ab0ba5f0908bf2ad468c2e96c7b33f263be2;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git

diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
index 5400ab0ba..0d517267f 100644
--- a/include/asm-arm/arch-ixp4xx/io.h
+++ b/include/asm-arm/arch-ixp4xx/io.h
@@ -3,7 +3,7 @@
  *
  * Author: Deepak Saxena <dsaxena@plexity.net>
  *
- * Copyright (C) 2002-2004  MontaVista Software, Inc.
+ * Copyright (C) 2002-2005  MontaVista Software, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -38,7 +38,7 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
  * 2) If > 64MB of memory space is required, the IXP4xx can be configured
  *    to use indirect registers to access PCI (as we do below for I/O
  *    transactions). This allows for up to 128MB (0x48000000 to 0x4fffffff)
- *    of memory on the bus. The disadvantadge of this is that every 
+ *    of memory on the bus. The disadvantage of this is that every 
  *    PCI access requires three local register accesses plus a spinlock,
  *    but in some cases the performance hit is acceptable. In addition,
  *    you cannot mmap() PCI devices in this case.
@@ -46,7 +46,7 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
  */
 #ifndef	CONFIG_IXP4XX_INDIRECT_PCI
 
-#define __mem_pci(a)		((unsigned long)(a))
+#define __mem_pci(a)		(a)
 
 #else
 
@@ -58,31 +58,28 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
  * access registers. If something outside of PCI is ioremap'd, we
  * fallback to the default.
  */
-static inline void *
-__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned long align)
+static inline void __iomem *
+__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags)
 {
-	extern void * __ioremap(unsigned long, size_t, unsigned long, unsigned long);
 	if((addr < 0x48000000) || (addr > 0x4fffffff))
-		return __ioremap(addr, size, flags, align);
+		return __ioremap(addr, size, flags);
 
 	return (void *)addr;
 }
 
 static inline void
-__ixp4xx_iounmap(void *addr)
+__ixp4xx_iounmap(void __iomem *addr)
 {
-	extern void __iounmap(void *addr);
-
 	if ((u32)addr >= VMALLOC_START)
 		__iounmap(addr);
 }
 
-#define __arch_ioremap(a, s, f, x)	__ixp4xx_ioremap(a, s, f, x)
+#define __arch_ioremap(a, s, f)		__ixp4xx_ioremap(a, s, f)
 #define	__arch_iounmap(a)		__ixp4xx_iounmap(a)
 
-#define	writeb(p, v)			__ixp4xx_writeb(p, v)
-#define	writew(p, v)			__ixp4xx_writew(p, v)
-#define	writel(p, v)			__ixp4xx_writel(p, v)
+#define	writeb(v, p)			__ixp4xx_writeb(v, p)
+#define	writew(v, p)			__ixp4xx_writew(v, p)
+#define	writel(v, p)			__ixp4xx_writel(v, p)
 
 #define	writesb(p, v, l)		__ixp4xx_writesb(p, v, l)
 #define	writesw(p, v, l)		__ixp4xx_writesw(p, v, l)
@@ -97,8 +94,9 @@ __ixp4xx_iounmap(void *addr)
 #define	readsl(p, v, l)			__ixp4xx_readsl(p, v, l)
 
 static inline void 
-__ixp4xx_writeb(u8 value, u32 addr)
+__ixp4xx_writeb(u8 value, volatile void __iomem *p)
 {
+	u32 addr = (u32)p;
 	u32 n, byte_enables, data;
 
 	if (addr >= VMALLOC_START) {
@@ -113,15 +111,16 @@ __ixp4xx_writeb(u8 value, u32 addr)
 }
 
 static inline void
-__ixp4xx_writesb(u32 bus_addr, u8 *vaddr, int count)
+__ixp4xx_writesb(volatile void __iomem *bus_addr, const u8 *vaddr, int count)
 {
 	while (count--)
 		writeb(*vaddr++, bus_addr);
 }
 
 static inline void 
-__ixp4xx_writew(u16 value, u32 addr)
+__ixp4xx_writew(u16 value, volatile void __iomem *p)
 {
+	u32 addr = (u32)p;
 	u32 n, byte_enables, data;
 
 	if (addr >= VMALLOC_START) {
@@ -136,15 +135,16 @@ __ixp4xx_writew(u16 value, u32 addr)
 }
 
 static inline void
-__ixp4xx_writesw(u32 bus_addr, u16 *vaddr, int count)
+__ixp4xx_writesw(volatile void __iomem *bus_addr, const u16 *vaddr, int count)
 {
 	while (count--)
 		writew(*vaddr++, bus_addr);
 }
 
 static inline void 
-__ixp4xx_writel(u32 value, u32 addr)
+__ixp4xx_writel(u32 value, volatile void __iomem *p)
 {
+	u32 addr = (u32)p;
 	if (addr >= VMALLOC_START) {
 		__raw_writel(value, addr);
 		return;
@@ -154,15 +154,16 @@ __ixp4xx_writel(u32 value, u32 addr)
 }
 
 static inline void
-__ixp4xx_writesl(u32 bus_addr, u32 *vaddr, int count)
+__ixp4xx_writesl(volatile void __iomem *bus_addr, const u32 *vaddr, int count)
 {
 	while (count--)
 		writel(*vaddr++, bus_addr);
 }
 
 static inline unsigned char 
-__ixp4xx_readb(u32 addr)
+__ixp4xx_readb(const volatile void __iomem *p)
 {
+	u32 addr = (u32)p;
 	u32 n, byte_enables, data;
 
 	if (addr >= VMALLOC_START)
@@ -177,15 +178,16 @@ __ixp4xx_readb(u32 addr)
 }
 
 static inline void
-__ixp4xx_readsb(u32 bus_addr, u8 *vaddr, u32 count)
+__ixp4xx_readsb(const volatile void __iomem *bus_addr, u8 *vaddr, u32 count)
 {
 	while (count--)
 		*vaddr++ = readb(bus_addr);
 }
 
 static inline unsigned short 
-__ixp4xx_readw(u32 addr)
+__ixp4xx_readw(const volatile void __iomem *p)
 {
+	u32 addr = (u32)p;
 	u32 n, byte_enables, data;
 
 	if (addr >= VMALLOC_START)
@@ -200,15 +202,16 @@ __ixp4xx_readw(u32 addr)
 }
 
 static inline void 
-__ixp4xx_readsw(u32 bus_addr, u16 *vaddr, u32 count)
+__ixp4xx_readsw(const volatile void __iomem *bus_addr, u16 *vaddr, u32 count)
 {
 	while (count--)
 		*vaddr++ = readw(bus_addr);
 }
 
 static inline unsigned long 
-__ixp4xx_readl(u32 addr)
+__ixp4xx_readl(const volatile void __iomem *p)
 {
+	u32 addr = (u32)p;
 	u32 data;
 
 	if (addr >= VMALLOC_START)
@@ -221,7 +224,7 @@ __ixp4xx_readl(u32 addr)
 }
 
 static inline void 
-__ixp4xx_readsl(u32 bus_addr, u32 *vaddr, u32 count)
+__ixp4xx_readsl(const volatile void __iomem *bus_addr, u32 *vaddr, u32 count)
 {
 	while (count--)
 		*vaddr++ = readl(bus_addr);
@@ -239,7 +242,7 @@ __ixp4xx_readsl(u32 bus_addr, u32 *vaddr, u32 count)
 				eth_copy_and_sum((s),__mem_pci(c),(l),(b))
 
 static inline int
-check_signature(unsigned long bus_addr, const unsigned char *signature,
+check_signature(const unsigned char __iomem *bus_addr, const unsigned char *signature,
 		int length)
 {
 	int retval = 0;
@@ -257,6 +260,12 @@ out:
 
 #endif
 
+#ifndef CONFIG_PCI
+
+#define	__io(v)		v
+
+#else
+
 /*
  * IXP4xx does not have a transparent cpu -> PCI I/O translation
  * window.  Instead, it has a set of registers that must be tweaked
@@ -292,7 +301,7 @@ __ixp4xx_outb(u8 value, u32 addr)
 }
 
 static inline void 
-__ixp4xx_outsb(u32 io_addr, u8 *vaddr, u32 count)
+__ixp4xx_outsb(u32 io_addr, const u8 *vaddr, u32 count)
 {
 	while (count--)
 		outb(*vaddr++, io_addr);
@@ -309,7 +318,7 @@ __ixp4xx_outw(u16 value, u32 addr)
 }
 
 static inline void 
-__ixp4xx_outsw(u32 io_addr, u16 *vaddr, u32 count)
+__ixp4xx_outsw(u32 io_addr, const u16 *vaddr, u32 count)
 {
 	while (count--)
 		outw(cpu_to_le16(*vaddr++), io_addr);
@@ -322,7 +331,7 @@ __ixp4xx_outl(u32 value, u32 addr)
 }
 
 static inline void 
-__ixp4xx_outsl(u32 io_addr, u32 *vaddr, u32 count)
+__ixp4xx_outsl(u32 io_addr, const u32 *vaddr, u32 count)
 {
 	while (count--)
 		outl(*vaddr++, io_addr);
@@ -383,6 +392,199 @@ __ixp4xx_insl(u32 io_addr, u32 *vaddr, u32 count)
 		*vaddr++ = inl(io_addr);
 }
 
+#define PIO_OFFSET      0x10000UL
+#define PIO_MASK        0x0ffffUL
+
+#define	__is_io_address(p)	(((unsigned long)p >= PIO_OFFSET) && \
+					((unsigned long)p <= (PIO_MASK + PIO_OFFSET)))
+static inline unsigned int
+__ixp4xx_ioread8(const void __iomem *addr)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		return	(unsigned int)__ixp4xx_inb(port & PIO_MASK);
+	else
+#ifndef CONFIG_IXP4XX_INDIRECT_PCI
+		return (unsigned int)__raw_readb(port);
+#else
+		return (unsigned int)__ixp4xx_readb(addr);
+#endif
+}
+
+static inline void
+__ixp4xx_ioread8_rep(const void __iomem *addr, void *vaddr, u32 count)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		__ixp4xx_insb(port & PIO_MASK, vaddr, count);
+	else
+#ifndef	CONFIG_IXP4XX_INDIRECT_PCI
+		__raw_readsb(addr, vaddr, count);
+#else
+		__ixp4xx_readsb(addr, vaddr, count);
+#endif
+}
+
+static inline unsigned int
+__ixp4xx_ioread16(const void __iomem *addr)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		return	(unsigned int)__ixp4xx_inw(port & PIO_MASK);
+	else
+#ifndef CONFIG_IXP4XX_INDIRECT_PCI
+		return le16_to_cpu(__raw_readw((u32)port));
+#else
+		return (unsigned int)__ixp4xx_readw(addr);
+#endif
+}
+
+static inline void
+__ixp4xx_ioread16_rep(const void __iomem *addr, void *vaddr, u32 count)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		__ixp4xx_insw(port & PIO_MASK, vaddr, count);
+	else
+#ifndef	CONFIG_IXP4XX_INDIRECT_PCI
+		__raw_readsw(addr, vaddr, count);
+#else
+		__ixp4xx_readsw(addr, vaddr, count);
+#endif
+}
+
+static inline unsigned int
+__ixp4xx_ioread32(const void __iomem *addr)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		return	(unsigned int)__ixp4xx_inl(port & PIO_MASK);
+	else {
+#ifndef CONFIG_IXP4XX_INDIRECT_PCI
+		return le32_to_cpu(__raw_readl((u32)port));
+#else
+		return (unsigned int)__ixp4xx_readl(addr);
+#endif
+	}
+}
+
+static inline void
+__ixp4xx_ioread32_rep(const void __iomem *addr, void *vaddr, u32 count)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		__ixp4xx_insl(port & PIO_MASK, vaddr, count);
+	else
+#ifndef	CONFIG_IXP4XX_INDIRECT_PCI
+		__raw_readsl(addr, vaddr, count);
+#else
+		__ixp4xx_readsl(addr, vaddr, count);
+#endif
+}
+
+static inline void
+__ixp4xx_iowrite8(u8 value, void __iomem *addr)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		__ixp4xx_outb(value, port & PIO_MASK);
+	else
+#ifndef CONFIG_IXP4XX_INDIRECT_PCI
+		__raw_writeb(value, port);
+#else
+		__ixp4xx_writeb(value, addr);
+#endif
+}
+
+static inline void
+__ixp4xx_iowrite8_rep(void __iomem *addr, const void *vaddr, u32 count)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		__ixp4xx_outsb(port & PIO_MASK, vaddr, count);
+	else
+#ifndef CONFIG_IXP4XX_INDIRECT_PCI
+		__raw_writesb(addr, vaddr, count);
+#else
+		__ixp4xx_writesb(addr, vaddr, count);
+#endif
+}
+
+static inline void
+__ixp4xx_iowrite16(u16 value, void __iomem *addr)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		__ixp4xx_outw(value, port & PIO_MASK);
+	else
+#ifndef CONFIG_IXP4XX_INDIRECT_PCI
+		__raw_writew(cpu_to_le16(value), addr);
+#else
+		__ixp4xx_writew(value, addr);
+#endif
+}
+
+static inline void
+__ixp4xx_iowrite16_rep(void __iomem *addr, const void *vaddr, u32 count)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		__ixp4xx_outsw(port & PIO_MASK, vaddr, count);
+	else
+#ifndef CONFIG_IXP4XX_INDIRECT_PCI
+		__raw_writesw(addr, vaddr, count);
+#else
+		__ixp4xx_writesw(addr, vaddr, count);
+#endif
+}
+
+static inline void
+__ixp4xx_iowrite32(u32 value, void __iomem *addr)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		__ixp4xx_outl(value, port & PIO_MASK);
+	else
+#ifndef CONFIG_IXP4XX_INDIRECT_PCI
+		__raw_writel(cpu_to_le32(value), port);
+#else
+		__ixp4xx_writel(value, addr);
+#endif
+}
+
+static inline void
+__ixp4xx_iowrite32_rep(void __iomem *addr, const void *vaddr, u32 count)
+{
+	unsigned long port = (unsigned long __force)addr;
+	if (__is_io_address(port))
+		__ixp4xx_outsl(port & PIO_MASK, vaddr, count);
+	else
+#ifndef CONFIG_IXP4XX_INDIRECT_PCI
+		__raw_writesl(addr, vaddr, count);
+#else
+		__ixp4xx_writesl(addr, vaddr, count);
+#endif
+}
+
+#define	ioread8(p)			__ixp4xx_ioread8(p)
+#define	ioread16(p)			__ixp4xx_ioread16(p)
+#define	ioread32(p)			__ixp4xx_ioread32(p)
+
+#define	ioread8_rep(p, v, c)		__ixp4xx_ioread8_rep(p, v, c)
+#define	ioread16_rep(p, v, c)		__ixp4xx_ioread16_rep(p, v, c)
+#define	ioread32_rep(p, v, c)		__ixp4xx_ioread32_rep(p, v, c)
+
+#define	iowrite8(v,p)			__ixp4xx_iowrite8(v,p)
+#define	iowrite16(v,p)			__ixp4xx_iowrite16(v,p)
+#define	iowrite32(v,p)			__ixp4xx_iowrite32(v,p)
+
+#define	iowrite8_rep(p, v, c)		__ixp4xx_iowrite8_rep(p, v, c)
+#define	iowrite16_rep(p, v, c)		__ixp4xx_iowrite16_rep(p, v, c)
+#define	iowrite32_rep(p, v, c)		__ixp4xx_iowrite32_rep(p, v, c)
+
+#define	ioport_map(port, nr)		((void __iomem*)(port + PIO_OFFSET))
+#define	ioport_unmap(addr)
+#endif	// !CONFIG_PCI
 
 #endif	//  __ASM_ARM_ARCH_IO_H