diff options
Diffstat (limited to 'arch/arm/lib/io-pcio.S')
| -rw-r--r-- | arch/arm/lib/io-pcio.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/lib/io-pcio.S b/arch/arm/lib/io-pcio.S new file mode 100644 index 000000000..f57abfc10 --- /dev/null +++ b/arch/arm/lib/io-pcio.S @@ -0,0 +1,38 @@ +#include <linux/linkage.h> +#include <asm/hardware.h> + + .equ pcio_high, PCIO_BASE & 0xff000000 + .equ pcio_low, PCIO_BASE & 0x00ffffff + + .macro ioaddr, rd,rn + add \rd, \rn, #pcio_high + .if pcio_low + add \rd, \rd, #pcio_low + .endif + .endm + +ENTRY(insl) + ioaddr r0, r0 + b __arch_readsl + +ENTRY(outsl) + ioaddr r0, r0 + b __arch_writesl + + /* Nobody could say these are optimal, but not to worry. */ + +ENTRY(outsw) + ioaddr r0, r0 + b __arch_writesw + +ENTRY(insw) + ioaddr r0, r0 + b __arch_readsw + +ENTRY(insb) + ioaddr r0, r0 + b __arch_readsb + +ENTRY(outsb) + ioaddr r0, r0 + b __arch_writesb |