#ifndef _PPC_IO_H
#define _PPC_IO_H
-#include <linux/config.h>
#include <linux/string.h>
#include <linux/types.h>
#if defined(CONFIG_4xx)
#include <asm/ibm4xx.h>
-#elif defined(CONFIG_PPC_MPC52xx)
-#include <asm/mpc52xx.h>
#elif defined(CONFIG_8xx)
#include <asm/mpc8xx.h>
#elif defined(CONFIG_8260)
#include <asm/mpc8260.h>
-#elif defined(CONFIG_83xx)
-#include <asm/mpc83xx.h>
-#elif defined(CONFIG_85xx)
-#include <asm/mpc85xx.h>
-#elif defined(CONFIG_APUS)
+#elif !defined(CONFIG_PCI)
#define _IO_BASE 0
#define _ISA_MEM_BASE 0
#define PCI_DRAM_OFFSET 0
int ret;
__asm__ __volatile__(
- "lbz%U1%X1 %0,%1;\n"
+ "sync; lbz%U1%X1 %0,%1;\n"
"twi 0,%0,0;\n"
"isync" : "=r" (ret) : "m" (*addr));
return ret;
{
int ret;
- __asm__ __volatile__("lhbrx %0,0,%1;\n"
+ __asm__ __volatile__("sync; lhbrx %0,0,%1;\n"
"twi 0,%0,0;\n"
"isync" : "=r" (ret) :
"r" (addr), "m" (*addr));
{
int ret;
- __asm__ __volatile__("lhz%U1%X1 %0,%1;\n"
+ __asm__ __volatile__("sync; lhz%U1%X1 %0,%1;\n"
"twi 0,%0,0;\n"
"isync" : "=r" (ret) : "m" (*addr));
return ret;
extern inline void out_le16(volatile unsigned short __iomem *addr, int val)
{
- __asm__ __volatile__("sthbrx %1,0,%2; eieio" : "=m" (*addr) :
+ __asm__ __volatile__("sync; sthbrx %1,0,%2" : "=m" (*addr) :
"r" (val), "r" (addr));
}
extern inline void out_be16(volatile unsigned short __iomem *addr, int val)
{
- __asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("sync; sth%U0%X0 %1,%0" : "=m" (*addr) : "r" (val));
}
extern inline unsigned in_le32(const volatile unsigned __iomem *addr)
{
unsigned ret;
- __asm__ __volatile__("lwbrx %0,0,%1;\n"
+ __asm__ __volatile__("sync; lwbrx %0,0,%1;\n"
"twi 0,%0,0;\n"
"isync" : "=r" (ret) :
"r" (addr), "m" (*addr));
{
unsigned ret;
- __asm__ __volatile__("lwz%U1%X1 %0,%1;\n"
+ __asm__ __volatile__("sync; lwz%U1%X1 %0,%1;\n"
"twi 0,%0,0;\n"
"isync" : "=r" (ret) : "m" (*addr));
return ret;
extern inline void out_le32(volatile unsigned __iomem *addr, int val)
{
- __asm__ __volatile__("stwbrx %1,0,%2; eieio" : "=m" (*addr) :
+ __asm__ __volatile__("sync; stwbrx %1,0,%2" : "=m" (*addr) :
"r" (val), "r" (addr));
}
extern inline void out_be32(volatile unsigned __iomem *addr, int val)
{
- __asm__ __volatile__("stw%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("sync; stw%U0%X0 %1,%0" : "=m" (*addr) : "r" (val));
}
#if defined (CONFIG_8260_PCI9)
#define readb(addr) in_8((volatile u8 *)(addr))
}
#endif
-#if defined(CONFIG_APUS)
-static inline __u16 readw(const volatile void __iomem *addr)
-{
- return *(__force volatile __u16 *)(addr);
-}
-static inline __u32 readl(const volatile void __iomem *addr)
-{
- return *(__force volatile __u32 *)(addr);
-}
-static inline void writew(__u16 b, volatile void __iomem *addr)
-{
- *(__force volatile __u16 *)(addr) = b;
-}
-static inline void writel(__u32 b, volatile void __iomem *addr)
-{
- *(__force volatile __u32 *)(addr) = b;
-}
-#elif defined (CONFIG_8260_PCI9)
+#if defined (CONFIG_8260_PCI9)
/* Use macros if PCI9 workaround enabled */
#define readw(addr) in_le16((volatile u16 *)(addr))
#define readl(addr) in_le32((volatile u32 *)(addr))
{
out_le32(addr, b);
}
-#endif /* CONFIG_APUS */
+#endif /* CONFIG_8260_PCI9 */
#define readb_relaxed(addr) readb(addr)
#define readw_relaxed(addr) readw(addr)
#define insl(port, buf, nl) _insl_ns((port)+___IO_BASE, (buf), (nl))
#define outsl(port, buf, nl) _outsl_ns((port)+___IO_BASE, (buf), (nl))
+#define readsb(a, b, n) _insb((a), (b), (n))
+#define readsw(a, b, n) _insw_ns((a), (b), (n))
+#define readsl(a, b, n) _insl_ns((a), (b), (n))
+#define writesb(a, b, n) _outsb((a),(b),(n))
+#define writesw(a, b, n) _outsw_ns((a),(b),(n))
+#define writesl(a, b, n) _outsl_ns((a),(b),(n))
+
+
/*
* On powermacs and 8xx we will get a machine check exception
* if we try to read data from a non-existent I/O port. Because
{ \
unsigned int x; \
__asm__ __volatile__( \
+ "sync\n" \
"0:" op " %0,0,%1\n" \
"1: twi 0,%0,0\n" \
"2: isync\n" \
extern __inline__ void name(unsigned int val, unsigned int port) \
{ \
__asm__ __volatile__( \
+ "sync\n" \
"0:" op " %0,0,%1\n" \
"1: sync\n" \
"2:\n" \
}
__do_out_asm(outb, "stbx")
-#ifdef CONFIG_APUS
-__do_in_asm(inb, "lbzx")
-__do_in_asm(inw, "lhz%U1%X1")
-__do_in_asm(inl, "lwz%U1%X1")
-__do_out_asm(outl,"stw%U0%X0")
-__do_out_asm(outw, "sth%U0%X0")
-#elif defined (CONFIG_8260_PCI9)
+#if defined (CONFIG_8260_PCI9)
/* in asm cannot be defined if PCI9 workaround is used */
#define inb(port) in_8((port)+___IO_BASE)
#define inw(port) in_le16((port)+___IO_BASE)
#define inl_p(port) inl((port))
#define outl_p(val, port) outl((val), (port))
-extern void _insb(volatile u8 __iomem *port, void *buf, int ns);
-extern void _outsb(volatile u8 __iomem *port, const void *buf, int ns);
-extern void _insw(volatile u16 __iomem *port, void *buf, int ns);
-extern void _outsw(volatile u16 __iomem *port, const void *buf, int ns);
-extern void _insl(volatile u32 __iomem *port, void *buf, int nl);
-extern void _outsl(volatile u32 __iomem *port, const void *buf, int nl);
-extern void _insw_ns(volatile u16 __iomem *port, void *buf, int ns);
-extern void _outsw_ns(volatile u16 __iomem *port, const void *buf, int ns);
-extern void _insl_ns(volatile u32 __iomem *port, void *buf, int nl);
-extern void _outsl_ns(volatile u32 __iomem *port, const void *buf, int nl);
-
-/*
- * The *_ns versions below don't do byte-swapping.
- * Neither do the standard versions now, these are just here
- * for older code.
- */
-#define insw_ns(port, buf, ns) _insw_ns((port)+___IO_BASE, (buf), (ns))
-#define outsw_ns(port, buf, ns) _outsw_ns((port)+___IO_BASE, (buf), (ns))
-#define insl_ns(port, buf, nl) _insl_ns((port)+___IO_BASE, (buf), (nl))
-#define outsl_ns(port, buf, nl) _outsl_ns((port)+___IO_BASE, (buf), (nl))
+extern void _insb(const volatile u8 __iomem *addr, void *buf, long count);
+extern void _outsb(volatile u8 __iomem *addr,const void *buf,long count);
+extern void _insw_ns(const volatile u16 __iomem *addr, void *buf, long count);
+extern void _outsw_ns(volatile u16 __iomem *addr, const void *buf, long count);
+extern void _insl_ns(const volatile u32 __iomem *addr, void *buf, long count);
+extern void _outsl_ns(volatile u32 __iomem *addr, const void *buf, long count);
#define IO_SPACE_LIMIT ~0
}
#endif
-#define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void __force *)(void __iomem *)(b),(c),(d))
-
/*
* Map in an area of physical address space, for accessing
* I/O devices etc.
#define ioremap_nocache(addr, size) ioremap((addr), (size))
extern void iounmap(volatile void __iomem *addr);
extern unsigned long iopa(unsigned long addr);
-extern unsigned long mm_ptov(unsigned long addr) __attribute_const__;
extern void io_block_mapping(unsigned long virt, phys_addr_t phys,
unsigned int size, int flags);
*/
extern inline unsigned long virt_to_bus(volatile void * address)
{
-#ifndef CONFIG_APUS
if (address == (void *)0)
return 0;
return (unsigned long)address - KERNELBASE + PCI_DRAM_OFFSET;
-#else
- return iopa ((unsigned long) address);
-#endif
}
extern inline void * bus_to_virt(unsigned long address)
{
-#ifndef CONFIG_APUS
if (address == 0)
return NULL;
return (void *)(address - PCI_DRAM_OFFSET + KERNELBASE);
-#else
- return (void*) mm_ptov (address);
-#endif
}
/*
*/
extern inline unsigned long virt_to_phys(volatile void * address)
{
-#ifndef CONFIG_APUS
return (unsigned long) address - KERNELBASE;
-#else
- return iopa ((unsigned long) address);
-#endif
}
extern inline void * phys_to_virt(unsigned long address)
{
-#ifndef CONFIG_APUS
return (void *) (address + KERNELBASE);
-#else
- return (void*) mm_ptov (address);
-#endif
}
/*
#define iobarrier_r() eieio()
#define iobarrier_w() eieio()
-static inline int check_signature(volatile void __iomem * io_addr,
- const unsigned char *signature, int length)
-{
- int retval = 0;
- do {
- if (readb(io_addr) != *signature)
- goto out;
- io_addr++;
- signature++;
- length--;
- } while (length);
- retval = 1;
-out:
- return retval;
-}
-
/*
* Here comes the ppc implementation of the IOMAP
* interfaces.
#include <asm/mpc8260_pci9.h>
#endif
-#ifdef CONFIG_NOT_COHERENT_CACHE
-
-#define dma_cache_inv(_start,_size) \
- invalidate_dcache_range(_start, (_start + _size))
-#define dma_cache_wback(_start,_size) \
- clean_dcache_range(_start, (_start + _size))
-#define dma_cache_wback_inv(_start,_size) \
- flush_dcache_range(_start, (_start + _size))
-
-#else
-
-#define dma_cache_inv(_start,_size) do { } while (0)
-#define dma_cache_wback(_start,_size) do { } while (0)
-#define dma_cache_wback_inv(_start,_size) do { } while (0)
-
-#endif
-
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
*/
#define xlate_dev_kmem_ptr(p) p
+/* access ports */
+#define setbits32(_addr, _v) out_be32((_addr), in_be32(_addr) | (_v))
+#define clrbits32(_addr, _v) out_be32((_addr), in_be32(_addr) & ~(_v))
+
+#define setbits16(_addr, _v) out_be16((_addr), in_be16(_addr) | (_v))
+#define clrbits16(_addr, _v) out_be16((_addr), in_be16(_addr) & ~(_v))
+
+#define setbits8(_addr, _v) out_8((_addr), in_8(_addr) | (_v))
+#define clrbits8(_addr, _v) out_8((_addr), in_8(_addr) & ~(_v))
+
#endif /* __KERNEL__ */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff