diff options
Diffstat (limited to 'include/asm-parisc/io.h')
| -rw-r--r-- | include/asm-parisc/io.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/include/asm-parisc/io.h b/include/asm-parisc/io.h new file mode 100644 index 000000000..ca40fdf2d --- /dev/null +++ b/include/asm-parisc/io.h @@ -0,0 +1,61 @@ +#ifndef _ASM_IO_H +#define _ASM_IO_H + +#include <linux/config.h> +#include <linux/types.h> +#include <asm/gsc.h> + +#define virt_to_phys(a) ((unsigned long)__pa(a)) +#define phys_to_virt(a) __va(a) +#define virt_to_bus virt_to_phys +#define bus_to_virt phys_to_virt + +#define inb_p inb +#define inw_p inw +#define inl_p inl +#define outb_p outb +#define outw_p outw +#define outl_p outl + +#define readb gsc_readb +#define readw gsc_readw +#define readl gsc_readl +#define writeb gsc_writeb +#define writew gsc_writew +#define writel gsc_writel + + +#if defined(CONFIG_PCI) || defined(CONFIG_ISA) +/* + * So we get clear link errors + */ +extern u8 inb(unsigned long addr); +extern u16 inw(unsigned long addr); +extern u32 inl(unsigned long addr); + +extern void outb(unsigned char b, unsigned long addr); +extern void outw(unsigned short b, unsigned long addr); +extern void outl(u32 b, unsigned long addr); + +static inline void memcpy_toio(void *dest, void *src, int count) +{ + while(count--) + writeb(*((char *)src)++, (char *)dest++); +} + +#endif + +/* IO Port space is : BBiiii where BB is HBA number. */ +#define IO_SPACE_LIMIT 0x00ffffff + +/* Right now we don't support Dino-on-a-card and V class which do PCI MMIO + * through address/data registers. */ + +#define ioremap(__offset, __size) ((void *)(__offset)) +#define iounmap(__addr) + +#define dma_cache_inv(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while(0) +#define dma_cache_wback(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while (0) +#define dma_cache_wback_inv(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while (0) + +#endif |