diff options
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/include/asm/io_no.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h index e9c70f754e02..42d61d4f4b86 100644 --- a/arch/m68k/include/asm/io_no.h +++ b/arch/m68k/include/asm/io_no.h @@ -18,6 +18,35 @@ #define __raw_writew(b, addr) (void)((*(volatile unsigned short *) (addr)) = (b)) #define __raw_writel(b, addr) (void)((*(volatile unsigned int *) (addr)) = (b)) +#if defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE) +/* + * Support for PCI bus access uses the asm-generic access functions. + * We need to supply the base address and masks for the normal memory + * and IO address space mappings. + */ +#include <asm/byteorder.h> +#include <asm/coldfire.h> +#include <asm/mcfsim.h> + +#define PCI_MEM_PA 0xf0000000 /* Host physical address */ +#define PCI_MEM_BA 0xf0000000 /* Bus physical address */ +#define PCI_MEM_SIZE 0x08000000 /* 128 MB */ +#define PCI_MEM_MASK (PCI_MEM_SIZE - 1) + +#define PCI_IO_PA 0xf8000000 /* Host physical address */ +#define PCI_IO_BA 0x00000000 /* Bus physical address */ +#define PCI_IO_SIZE 0x00010000 /* 64k */ +#define PCI_IO_MASK (PCI_IO_SIZE - 1) + +#define HAVE_ARCH_PIO_SIZE +#define PIO_OFFSET 0 +#define PIO_MASK 0xffff +#define PIO_RESERVED 0x10000 +#define PCI_IOBASE ((void __iomem *) PCI_IO_PA) +#define PCI_SPACE_LIMIT PCI_IO_MASK + +#else + #define readb __raw_readb #define readw __raw_readw #define readl __raw_readl @@ -25,6 +54,8 @@ #define writew __raw_writew #define writel __raw_writel +#endif /* CONFIG_PCI && CONFIG_COLDFIRE */ + /* * These are defined in kmap.h as static inline functions. To maintain * previous behavior we put these define guards here so io_mm.h doesn't |