sparc32: introduce asm-generic/io.h
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> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
01c6505d60
commit
e1039fb426
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@ -2,142 +2,56 @@
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#define __SPARC_IO_H
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#define __SPARC_IO_H
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#include <linux/kernel.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/ioport.h> /* struct resource */
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#include <linux/ioport.h> /* struct resource */
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#include <asm/page.h> /* IO address mapping routines need this */
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#include <asm-generic/pci_iomap.h>
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static inline u32 flip_dword (u32 l)
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{
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return ((l&0xff)<<24) | (((l>>8)&0xff)<<16) | (((l>>16)&0xff)<<8)| ((l>>24)&0xff);
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}
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static inline u16 flip_word (u16 w)
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{
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return ((w&0xff) << 8) | ((w>>8)&0xff);
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}
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#define mmiowb()
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/*
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* Memory mapped I/O to PCI
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*/
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static inline u8 __raw_readb(const volatile void __iomem *addr)
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{
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return *(__force volatile u8 *)addr;
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}
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static inline u16 __raw_readw(const volatile void __iomem *addr)
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{
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return *(__force volatile u16 *)addr;
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}
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static inline u32 __raw_readl(const volatile void __iomem *addr)
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{
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return *(__force volatile u32 *)addr;
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}
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static inline void __raw_writeb(u8 b, volatile void __iomem *addr)
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{
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*(__force volatile u8 *)addr = b;
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}
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static inline void __raw_writew(u16 w, volatile void __iomem *addr)
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{
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*(__force volatile u16 *)addr = w;
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}
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static inline void __raw_writel(u32 l, volatile void __iomem *addr)
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{
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*(__force volatile u32 *)addr = l;
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}
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static inline u8 __readb(const volatile void __iomem *addr)
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{
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return *(__force volatile u8 *)addr;
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}
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static inline u16 __readw(const volatile void __iomem *addr)
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{
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return flip_word(*(__force volatile u16 *)addr);
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}
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static inline u32 __readl(const volatile void __iomem *addr)
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{
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return flip_dword(*(__force volatile u32 *)addr);
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}
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static inline void __writeb(u8 b, volatile void __iomem *addr)
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{
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*(__force volatile u8 *)addr = b;
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}
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static inline void __writew(u16 w, volatile void __iomem *addr)
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{
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*(__force volatile u16 *)addr = flip_word(w);
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}
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static inline void __writel(u32 l, volatile void __iomem *addr)
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{
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*(__force volatile u32 *)addr = flip_dword(l);
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}
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#define readb(__addr) __readb(__addr)
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#define readw(__addr) __readw(__addr)
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#define readl(__addr) __readl(__addr)
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#define readb_relaxed(__addr) readb(__addr)
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#define readb_relaxed(__addr) readb(__addr)
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#define readw_relaxed(__addr) readw(__addr)
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#define readw_relaxed(__addr) readw(__addr)
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#define readl_relaxed(__addr) readl(__addr)
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#define readl_relaxed(__addr) readl(__addr)
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#define writeb(__b, __addr) __writeb((__b),(__addr))
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#define writew(__w, __addr) __writew((__w),(__addr))
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#define writel(__l, __addr) __writel((__l),(__addr))
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/*
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* I/O space operations
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*
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* Arrangement on a Sun is somewhat complicated.
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*
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* First of all, we want to use standard Linux drivers
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* for keyboard, PC serial, etc. These drivers think
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* they access I/O space and use inb/outb.
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* On the other hand, EBus bridge accepts PCI *memory*
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* cycles and converts them into ISA *I/O* cycles.
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* Ergo, we want inb & outb to generate PCI memory cycles.
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*
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* If we want to issue PCI *I/O* cycles, we do this
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* with a low 64K fixed window in PCIC. This window gets
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* mapped somewhere into virtual kernel space and we
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* can use inb/outb again.
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*/
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#define inb_local(__addr) __readb((void __iomem *)(unsigned long)(__addr))
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#define inb(__addr) __readb((void __iomem *)(unsigned long)(__addr))
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#define inw(__addr) __readw((void __iomem *)(unsigned long)(__addr))
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#define inl(__addr) __readl((void __iomem *)(unsigned long)(__addr))
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#define outb_local(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr))
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#define outb(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr))
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#define outw(__w, __addr) __writew(__w, (void __iomem *)(unsigned long)(__addr))
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#define outl(__l, __addr) __writel(__l, (void __iomem *)(unsigned long)(__addr))
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#define inb_p(__addr) inb(__addr)
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#define outb_p(__b, __addr) outb(__b, __addr)
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#define inw_p(__addr) inw(__addr)
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#define outw_p(__w, __addr) outw(__w, __addr)
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#define inl_p(__addr) inl(__addr)
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#define outl_p(__l, __addr) outl(__l, __addr)
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void outsb(unsigned long addr, const void *src, unsigned long cnt);
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void outsw(unsigned long addr, const void *src, unsigned long cnt);
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void outsl(unsigned long addr, const void *src, unsigned long cnt);
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void insb(unsigned long addr, void *dst, unsigned long count);
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void insw(unsigned long addr, void *dst, unsigned long count);
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void insl(unsigned long addr, void *dst, unsigned long count);
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#define IO_SPACE_LIMIT 0xffffffff
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#define IO_SPACE_LIMIT 0xffffffff
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#define memset_io(d,c,sz) _memset_io(d,c,sz)
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#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
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#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
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#include <asm-generic/io.h>
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static inline void _memset_io(volatile void __iomem *dst,
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int c, __kernel_size_t n)
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{
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volatile void __iomem *d = dst;
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while (n--) {
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writeb(c, d);
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d++;
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}
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}
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static inline void _memcpy_fromio(void *dst, const volatile void __iomem *src,
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__kernel_size_t n)
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{
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char *d = dst;
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while (n--) {
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char tmp = readb(src);
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*d++ = tmp;
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src++;
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}
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}
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static inline void _memcpy_toio(volatile void __iomem *dst, const void *src,
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__kernel_size_t n)
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{
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const char *s = src;
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volatile void __iomem *d = dst;
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while (n--) {
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char tmp = *s++;
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writeb(tmp, d);
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d++;
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}
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}
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/*
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/*
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* SBus accessors.
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* SBus accessors.
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*
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*
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@ -192,18 +106,7 @@ static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_
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}
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}
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}
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}
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static inline void
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_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
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{
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volatile void __iomem *d = dst;
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while (n--) {
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writeb(c, d);
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d++;
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}
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}
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#define memset_io(d,c,sz) _memset_io(d,c,sz)
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static inline void
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static inline void
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_sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
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_sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
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#define sbus_memcpy_fromio(d, s, sz) _sbus_memcpy_fromio(d, s, sz)
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#define sbus_memcpy_fromio(d, s, sz) _sbus_memcpy_fromio(d, s, sz)
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static inline void
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_memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
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{
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char *d = dst;
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while (n--) {
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char tmp = readb(src);
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*d++ = tmp;
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src++;
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}
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}
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#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
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static inline void
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static inline void
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_sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
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_sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
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__kernel_size_t n)
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__kernel_size_t n)
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#define sbus_memcpy_toio(d, s, sz) _sbus_memcpy_toio(d, s, sz)
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#define sbus_memcpy_toio(d, s, sz) _sbus_memcpy_toio(d, s, sz)
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static inline void
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_memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
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{
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const char *s = src;
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volatile void __iomem *d = dst;
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while (n--) {
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char tmp = *s++;
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writeb(tmp, d);
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d++;
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}
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}
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#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)
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#ifdef __KERNEL__
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#ifdef __KERNEL__
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/*
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/*
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#define ioremap_wc(X,Y) ioremap((X),(Y))
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#define ioremap_wc(X,Y) ioremap((X),(Y))
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extern void iounmap(volatile void __iomem *addr);
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extern void iounmap(volatile void __iomem *addr);
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#define ioread8(X) readb(X)
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#define ioread16(X) readw(X)
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#define ioread16be(X) __raw_readw(X)
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#define ioread32(X) readl(X)
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#define ioread32be(X) __raw_readl(X)
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#define iowrite8(val,X) writeb(val,X)
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#define iowrite16(val,X) writew(val,X)
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#define iowrite16be(val,X) __raw_writew(val,X)
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#define iowrite32(val,X) writel(val,X)
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#define iowrite32be(val,X) __raw_writel(val,X)
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static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
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{
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insb((unsigned long __force)port, buf, count);
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}
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static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
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{
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insw((unsigned long __force)port, buf, count);
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}
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static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
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{
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insl((unsigned long __force)port, buf, count);
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}
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static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
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{
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outsb((unsigned long __force)port, buf, count);
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}
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static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
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{
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outsw((unsigned long __force)port, buf, count);
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}
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static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
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{
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outsl((unsigned long __force)port, buf, count);
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}
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/* Create a virtual mapping cookie for an IO port range */
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/* Create a virtual mapping cookie for an IO port range */
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extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
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extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
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extern void ioport_unmap(void __iomem *);
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extern void ioport_unmap(void __iomem *);
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struct pci_dev;
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struct pci_dev;
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extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
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extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
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/*
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/*
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* At the moment, we do not use CMOS_READ anywhere outside of rtc.c,
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* At the moment, we do not use CMOS_READ anywhere outside of rtc.c,
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* so rtc_port is static in it. This should not change unless a new
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* so rtc_port is static in it. This should not change unless a new
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@ -347,15 +183,5 @@ extern void sbus_set_sbus64(struct device *, int);
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#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1
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#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1
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/*
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* Convert a physical pointer to a virtual kernel pointer for /dev/mem
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* access
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*/
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#define xlate_dev_mem_ptr(p) __va(p)
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/*
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* Convert a virtual cached pointer to an uncached pointer
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*/
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#define xlate_dev_kmem_ptr(p) p
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#endif /* !(__SPARC_IO_H) */
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#endif /* !(__SPARC_IO_H) */
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@ -98,82 +98,3 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
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{
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{
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return res->start;
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return res->start;
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}
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}
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/* in/out routines taken from pcic.c
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*
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* This probably belongs here rather than ioport.c because
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* we do not want this crud linked into SBus kernels.
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* Also, think for a moment about likes of floppy.c that
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* include architecture specific parts. They may want to redefine ins/outs.
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*
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* We do not use horrible macros here because we want to
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* advance pointer by sizeof(size).
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*/
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void outsb(unsigned long addr, const void *src, unsigned long count)
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{
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while (count) {
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count -= 1;
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outb(*(const char *)src, addr);
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src += 1;
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/* addr += 1; */
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}
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}
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EXPORT_SYMBOL(outsb);
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void outsw(unsigned long addr, const void *src, unsigned long count)
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{
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while (count) {
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count -= 2;
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outw(*(const short *)src, addr);
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src += 2;
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/* addr += 2; */
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||||||
}
|
|
||||||
}
|
|
||||||
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;
|
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);
|
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-$(CONFIG_SPARC64) += copy_in_user.o user_fixup.o memmove.o
|
||||||
lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o
|
lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o
|
||||||
|
|
||||||
obj-y += iomap.o
|
obj-$(CONFIG_SPARC64) += iomap.o
|
||||||
obj-$(CONFIG_SPARC32) += atomic32.o ucmpdi2.o
|
obj-$(CONFIG_SPARC32) += atomic32.o ucmpdi2.o
|
||||||
obj-y += ksyms.o
|
obj-y += ksyms.o
|
||||||
obj-$(CONFIG_SPARC64) += PeeCeeI.o
|
obj-$(CONFIG_SPARC64) += PeeCeeI.o
|
||||||
|
|
Loading…
Reference in New Issue