@@ -2,142 +2,56 @@
#define __SPARC_IO_H
#include <linux/kernel.h>
-#include <linux/types.h>
#include <linux/ioport.h> /* struct resource */
-#include <asm/page.h> /* IO address mapping routines need this */
-#include <asm-generic/pci_iomap.h>
-
-static inline u32 flip_dword (u32 l)
-{
- return ((l&0xff)<<24) | (((l>>8)&0xff)<<16) | (((l>>16)&0xff)<<8)| ((l>>24)&0xff);
-}
-
-static inline u16 flip_word (u16 w)
-{
- return ((w&0xff) << 8) | ((w>>8)&0xff);
-}
-
-#define mmiowb()
-
-/*
- * Memory mapped I/O to PCI
- */
-
-static inline u8 __raw_readb(const volatile void __iomem *addr)
-{
- return *(__force volatile u8 *)addr;
-}
-
-static inline u16 __raw_readw(const volatile void __iomem *addr)
-{
- return *(__force volatile u16 *)addr;
-}
-
-static inline u32 __raw_readl(const volatile void __iomem *addr)
-{
- return *(__force volatile u32 *)addr;
-}
+#define readb_relaxed(__addr) readb(__addr)
+#define readw_relaxed(__addr) readw(__addr)
+#define readl_relaxed(__addr) readl(__addr)
-static inline void __raw_writeb(u8 b, volatile void __iomem *addr)
-{
- *(__force volatile u8 *)addr = b;
-}
+#define IO_SPACE_LIMIT 0xffffffff
-static inline void __raw_writew(u16 w, volatile void __iomem *addr)
-{
- *(__force volatile u16 *)addr = w;
-}
+#define memset_io(d,c,sz) _memset_io(d,c,sz)
+#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
+#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
-static inline void __raw_writel(u32 l, volatile void __iomem *addr)
-{
- *(__force volatile u32 *)addr = l;
-}
+#include <asm-generic/io.h>
-static inline u8 __readb(const volatile void __iomem *addr)
+static inline void _memset_io(volatile void __iomem *dst,
+ int c, __kernel_size_t n)
{
- return *(__force volatile u8 *)addr;
-}
+ volatile void __iomem *d = dst;
-static inline u16 __readw(const volatile void __iomem *addr)
-{
- return flip_word(*(__force volatile u16 *)addr);
+ while (n--) {
+ writeb(c, d);
+ d++;
+ }
}
-static inline u32 __readl(const volatile void __iomem *addr)
+static inline void _memcpy_fromio(void *dst, const volatile void __iomem *src,
+ __kernel_size_t n)
{
- return flip_dword(*(__force volatile u32 *)addr);
-}
+ char *d = dst;
-static inline void __writeb(u8 b, volatile void __iomem *addr)
-{
- *(__force volatile u8 *)addr = b;
+ while (n--) {
+ char tmp = readb(src);
+ *d++ = tmp;
+ src++;
+ }
}
-static inline void __writew(u16 w, volatile void __iomem *addr)
+static inline void _memcpy_toio(volatile void __iomem *dst, const void *src,
+ __kernel_size_t n)
{
- *(__force volatile u16 *)addr = flip_word(w);
-}
+ const char *s = src;
+ volatile void __iomem *d = dst;
-static inline void __writel(u32 l, volatile void __iomem *addr)
-{
- *(__force volatile u32 *)addr = flip_dword(l);
+ while (n--) {
+ char tmp = *s++;
+ writeb(tmp, d);
+ d++;
+ }
}
-#define readb(__addr) __readb(__addr)
-#define readw(__addr) __readw(__addr)
-#define readl(__addr) __readl(__addr)
-#define readb_relaxed(__addr) readb(__addr)
-#define readw_relaxed(__addr) readw(__addr)
-#define readl_relaxed(__addr) readl(__addr)
-
-#define writeb(__b, __addr) __writeb((__b),(__addr))
-#define writew(__w, __addr) __writew((__w),(__addr))
-#define writel(__l, __addr) __writel((__l),(__addr))
-
-/*
- * I/O space operations
- *
- * Arrangement on a Sun is somewhat complicated.
- *
- * First of all, we want to use standard Linux drivers
- * for keyboard, PC serial, etc. These drivers think
- * they access I/O space and use inb/outb.
- * On the other hand, EBus bridge accepts PCI *memory*
- * cycles and converts them into ISA *I/O* cycles.
- * Ergo, we want inb & outb to generate PCI memory cycles.
- *
- * If we want to issue PCI *I/O* cycles, we do this
- * with a low 64K fixed window in PCIC. This window gets
- * mapped somewhere into virtual kernel space and we
- * can use inb/outb again.
- */
-#define inb_local(__addr) __readb((void __iomem *)(unsigned long)(__addr))
-#define inb(__addr) __readb((void __iomem *)(unsigned long)(__addr))
-#define inw(__addr) __readw((void __iomem *)(unsigned long)(__addr))
-#define inl(__addr) __readl((void __iomem *)(unsigned long)(__addr))
-
-#define outb_local(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr))
-#define outb(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr))
-#define outw(__w, __addr) __writew(__w, (void __iomem *)(unsigned long)(__addr))
-#define outl(__l, __addr) __writel(__l, (void __iomem *)(unsigned long)(__addr))
-
-#define inb_p(__addr) inb(__addr)
-#define outb_p(__b, __addr) outb(__b, __addr)
-#define inw_p(__addr) inw(__addr)
-#define outw_p(__w, __addr) outw(__w, __addr)
-#define inl_p(__addr) inl(__addr)
-#define outl_p(__l, __addr) outl(__l, __addr)
-
-void outsb(unsigned long addr, const void *src, unsigned long cnt);
-void outsw(unsigned long addr, const void *src, unsigned long cnt);
-void outsl(unsigned long addr, const void *src, unsigned long cnt);
-void insb(unsigned long addr, void *dst, unsigned long count);
-void insw(unsigned long addr, void *dst, unsigned long count);
-void insl(unsigned long addr, void *dst, unsigned long count);
-
-#define IO_SPACE_LIMIT 0xffffffff
-
/*
* SBus accessors.
*
@@ -192,18 +106,7 @@ static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_
}
}
-static inline void
-_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
-{
- volatile void __iomem *d = dst;
-
- while (n--) {
- writeb(c, d);
- d++;
- }
-}
-#define memset_io(d,c,sz) _memset_io(d,c,sz)
static inline void
_sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
@@ -221,20 +124,6 @@ _sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
#define sbus_memcpy_fromio(d, s, sz) _sbus_memcpy_fromio(d, s, sz)
static inline void
-_memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
-{
- char *d = dst;
-
- while (n--) {
- char tmp = readb(src);
- *d++ = tmp;
- src++;
- }
-}
-
-#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
-
-static inline void
_sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
__kernel_size_t n)
{
@@ -250,21 +139,6 @@ _sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
#define sbus_memcpy_toio(d, s, sz) _sbus_memcpy_toio(d, s, sz)
-static inline void
-_memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
-{
- const char *s = src;
- volatile void __iomem *d = dst;
-
- while (n--) {
- char tmp = *s++;
- writeb(tmp, d);
- d++;
- }
-}
-
-#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
-
#ifdef __KERNEL__
/*
@@ -276,46 +150,6 @@ extern void __iomem *ioremap(unsigned long offset, unsigned long size);
#define ioremap_wc(X,Y) ioremap((X),(Y))
extern void iounmap(volatile void __iomem *addr);
-#define ioread8(X) readb(X)
-#define ioread16(X) readw(X)
-#define ioread16be(X) __raw_readw(X)
-#define ioread32(X) readl(X)
-#define ioread32be(X) __raw_readl(X)
-#define iowrite8(val,X) writeb(val,X)
-#define iowrite16(val,X) writew(val,X)
-#define iowrite16be(val,X) __raw_writew(val,X)
-#define iowrite32(val,X) writel(val,X)
-#define iowrite32be(val,X) __raw_writel(val,X)
-
-static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
-{
- insb((unsigned long __force)port, buf, count);
-}
-static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
-{
- insw((unsigned long __force)port, buf, count);
-}
-
-static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
-{
- insl((unsigned long __force)port, buf, count);
-}
-
-static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
-{
- outsb((unsigned long __force)port, buf, count);
-}
-
-static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
-{
- outsw((unsigned long __force)port, buf, count);
-}
-
-static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
-{
- outsl((unsigned long __force)port, buf, count);
-}
-
/* Create a virtual mapping cookie for an IO port range */
extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
extern void ioport_unmap(void __iomem *);
@@ -324,6 +158,8 @@ extern void ioport_unmap(void __iomem *);
struct pci_dev;
extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
+
+
/*
* At the moment, we do not use CMOS_READ anywhere outside of rtc.c,
* so rtc_port is static in it. This should not change unless a new
@@ -347,15 +183,5 @@ extern void sbus_set_sbus64(struct device *, int);
#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1
-/*
- * Convert a physical pointer to a virtual kernel pointer for /dev/mem
- * access
- */
-#define xlate_dev_mem_ptr(p) __va(p)
-
-/*
- * Convert a virtual cached pointer to an uncached pointer
- */
-#define xlate_dev_kmem_ptr(p) p
#endif /* !(__SPARC_IO_H) */
@@ -98,82 +98,3 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
{
return res->start;
}
-
-/* in/out routines taken from pcic.c
- *
- * This probably belongs here rather than ioport.c because
- * we do not want this crud linked into SBus kernels.
- * Also, think for a moment about likes of floppy.c that
- * include architecture specific parts. They may want to redefine ins/outs.
- *
- * We do not use horrible macros here because we want to
- * advance pointer by sizeof(size).
- */
-void outsb(unsigned long addr, const void *src, unsigned long count)
-{
- while (count) {
- count -= 1;
- outb(*(const char *)src, addr);
- src += 1;
- /* addr += 1; */
- }
-}
-EXPORT_SYMBOL(outsb);
-
-void outsw(unsigned long addr, const void *src, unsigned long count)
-{
- while (count) {
- count -= 2;
- outw(*(const short *)src, addr);
- src += 2;
- /* addr += 2; */
- }
-}
-EXPORT_SYMBOL(outsw);
-
-void outsl(unsigned long addr, const void *src, unsigned long count)
-{
- while (count) {
- count -= 4;
- outl(*(const long *)src, addr);
- src += 4;
- /* addr += 4; */
- }
-}
-EXPORT_SYMBOL(outsl);
-
-void insb(unsigned long addr, void *dst, unsigned long count)
-{
- while (count) {
- count -= 1;
- *(unsigned char *)dst = inb(addr);
- dst += 1;
- /* addr += 1; */
- }
-}
-EXPORT_SYMBOL(insb);
-
-void insw(unsigned long addr, void *dst, unsigned long count)
-{
- while (count) {
- count -= 2;
- *(unsigned short *)dst = inw(addr);
- dst += 2;
- /* addr += 2; */
- }
-}
-EXPORT_SYMBOL(insw);
-
-void insl(unsigned long addr, void *dst, unsigned long count)
-{
- while (count) {
- count -= 4;
- /*
- * XXX I am sure we are in for an unaligned trap here.
- */
- *(unsigned long *)dst = inl(addr);
- dst += 4;
- /* addr += 4; */
- }
-}
-EXPORT_SYMBOL(insl);
@@ -875,82 +875,4 @@ void __init sun4m_pci_init_IRQ(void)
sparc_config.load_profile_irq = pcic_load_profile_irq;
}
-/*
- * This probably belongs here rather than ioport.c because
- * we do not want this crud linked into SBus kernels.
- * Also, think for a moment about likes of floppy.c that
- * include architecture specific parts. They may want to redefine ins/outs.
- *
- * We do not use horrible macros here because we want to
- * advance pointer by sizeof(size).
- */
-void outsb(unsigned long addr, const void *src, unsigned long count)
-{
- while (count) {
- count -= 1;
- outb(*(const char *)src, addr);
- src += 1;
- /* addr += 1; */
- }
-}
-EXPORT_SYMBOL(outsb);
-
-void outsw(unsigned long addr, const void *src, unsigned long count)
-{
- while (count) {
- count -= 2;
- outw(*(const short *)src, addr);
- src += 2;
- /* addr += 2; */
- }
-}
-EXPORT_SYMBOL(outsw);
-
-void outsl(unsigned long addr, const void *src, unsigned long count)
-{
- while (count) {
- count -= 4;
- outl(*(const long *)src, addr);
- src += 4;
- /* addr += 4; */
- }
-}
-EXPORT_SYMBOL(outsl);
-
-void insb(unsigned long addr, void *dst, unsigned long count)
-{
- while (count) {
- count -= 1;
- *(unsigned char *)dst = inb(addr);
- dst += 1;
- /* addr += 1; */
- }
-}
-EXPORT_SYMBOL(insb);
-
-void insw(unsigned long addr, void *dst, unsigned long count)
-{
- while (count) {
- count -= 2;
- *(unsigned short *)dst = inw(addr);
- dst += 2;
- /* addr += 2; */
- }
-}
-EXPORT_SYMBOL(insw);
-
-void insl(unsigned long addr, void *dst, unsigned long count)
-{
- while (count) {
- count -= 4;
- /*
- * XXX I am sure we are in for an unaligned trap here.
- */
- *(unsigned long *)dst = inl(addr);
- dst += 4;
- /* addr += 4; */
- }
-}
-EXPORT_SYMBOL(insl);
-
subsys_initcall(pcic_init);
@@ -41,7 +41,7 @@ lib-$(CONFIG_SPARC64) += GENpatch.o GENpage.o GENbzero.o
lib-$(CONFIG_SPARC64) += copy_in_user.o user_fixup.o memmove.o
lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o
-obj-y += iomap.o
+obj-$(CONFIG_SPARC64) += iomap.o
obj-$(CONFIG_SPARC32) += atomic32.o ucmpdi2.o
obj-y += ksyms.o
obj-$(CONFIG_SPARC64) += PeeCeeI.o
Use asm-generic/io.h definitions where applicable. The inxx() and outxx() methods whcih was duplicated in pcic.c + leon_pci.c are replaced by a set of static inlins from asm-generic/io.h iomap.c is replaced by the generic versions, but are still present to support sparc64. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Daniel Hellstrom <daniel@gaisler.com> --- arch/sparc/include/asm/io_32.h | 242 ++++++----------------------------------- arch/sparc/kernel/leon_pci.c | 79 -------------- arch/sparc/kernel/pcic.c | 78 ------------- arch/sparc/lib/Makefile | 2 +- 4 files changed, 35 insertions(+), 366 deletions(-)