diff options
Diffstat (limited to 'include/asm-arm/arch-l7200')
-rw-r--r-- | include/asm-arm/arch-l7200/io.h | 56 |
1 files changed, 4 insertions, 52 deletions
diff --git a/include/asm-arm/arch-l7200/io.h b/include/asm-arm/arch-l7200/io.h index d744d97c18a..645dbdfb390 100644 --- a/include/asm-arm/arch-l7200/io.h +++ b/include/asm-arm/arch-l7200/io.h @@ -17,59 +17,11 @@ /* * There are not real ISA nor PCI buses, so we fake it. */ -#define __io_pci(a) ((void __iomem *)(PCIO_BASE + (a))) -#define __mem_pci(a) (a) - -#define __ioaddr(p) __io_pci(p) - -/* - * Generic virtual read/write - */ -#define __arch_getb(a) (*(volatile unsigned char *)(a)) -#define __arch_getl(a) (*(volatile unsigned int *)(a)) - -static inline unsigned int __arch_getw(unsigned long a) -{ - unsigned int value; - __asm__ __volatile__("ldrh %0, [%1, #0] @ getw" - : "=&r" (value) - : "r" (a) : "cc"); - return value; -} - -#define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v)) -#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v)) - -static inline void __arch_putw(unsigned int value, unsigned long a) +static inline void __iomem *__io(unsigned long addr) { - __asm__ __volatile__("strh %0, [%1, #0] @ putw" - : : "r" (value), "r" (a) : "cc"); + return (void __iomem *)addr; } - -/* - * Translated address IO functions - * - * IO address has already been translated to a virtual address - */ -#define outb_t(v,p) (*(volatile unsigned char *)(p) = (v)) -#define inb_t(p) (*(volatile unsigned char *)(p)) -#define outw_t(v,p) (*(volatile unsigned int *)(p) = (v)) -#define inw_t(p) (*(volatile unsigned int *)(p)) -#define outl_t(v,p) (*(volatile unsigned long *)(p) = (v)) -#define inl_t(p) (*(volatile unsigned long *)(p)) - -/* - * FIXME - These are to allow for linking. On all the other - * ARM platforms, the entire IO space is contiguous. - * The 7200 has three separate IO spaces. The below - * macros will eventually become more involved. Use - * with caution and don't be surprised by kernel oopses!!! - */ -#define inb(p) inb_t(p) -#define inw(p) inw_t(p) -#define inl(p) inl_t(p) -#define outb(v,p) outb_t(v,p) -#define outw(v,p) outw_t(v,p) -#define outl(v,p) outl_t(v,p) +#define __io(a) __io(a) +#define __mem_pci(a) (a) #endif |