From a47a12becf66f02a56da91c161e2edb625e9f20c Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Thu, 15 Apr 2010 16:07:28 +0200 Subject: Move arch/ppc to arch/powerpc As discussed on the list, move "arch/ppc" to "arch/powerpc" to better match the Linux directory structure. Please note that this patch also changes the "ppc" target in MAKEALL to "powerpc" to match this new infrastructure. But "ppc" is kept as an alias for now, to not break compatibility with scripts using this name. Signed-off-by: Stefan Roese Acked-by: Wolfgang Denk Acked-by: Detlev Zundel Acked-by: Kim Phillips Cc: Peter Tyser Cc: Anatolij Gustschin --- arch/powerpc/include/asm/pci_io.h | 43 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 arch/powerpc/include/asm/pci_io.h (limited to 'arch/powerpc/include/asm/pci_io.h') diff --git a/arch/powerpc/include/asm/pci_io.h b/arch/powerpc/include/asm/pci_io.h new file mode 100644 index 0000000000..9b738c383f --- /dev/null +++ b/arch/powerpc/include/asm/pci_io.h @@ -0,0 +1,43 @@ +/* originally from linux source (asm-ppc/io.h). + * Sanity added by Rob Taylor, Flying Pig Systems, 2000 + */ +#ifndef _PCI_IO_H_ +#define _PCI_IO_H_ + +#include "io.h" + + +#define pci_read_le16(addr, dest) \ + __asm__ __volatile__("lhbrx %0,0,%1" : "=r" (dest) : \ + "r" (addr), "m" (*addr)); + +#define pci_write_le16(addr, val) \ + __asm__ __volatile__("sthbrx %1,0,%2" : "=m" (*addr) : \ + "r" (val), "r" (addr)); + + +#define pci_read_le32(addr, dest) \ + __asm__ __volatile__("lwbrx %0,0,%1" : "=r" (dest) : \ + "r" (addr), "m" (*addr)); + +#define pci_write_le32(addr, val) \ +__asm__ __volatile__("stwbrx %1,0,%2" : "=m" (*addr) : \ + "r" (val), "r" (addr)); + +#define pci_readb(addr,b) ((b) = *(volatile u8 *) (addr)) +#define pci_writeb(b,addr) ((*(volatile u8 *) (addr)) = (b)) + +#if !defined(__BIG_ENDIAN) +#define pci_readw(addr,b) ((b) = *(volatile u16 *) (addr)) +#define pci_readl(addr,b) ((b) = *(volatile u32 *) (addr)) +#define pci_writew(b,addr) ((*(volatile u16 *) (addr)) = (b)) +#define pci_writel(b,addr) ((*(volatile u32 *) (addr)) = (b)) +#else +#define pci_readw(addr,b) pci_read_le16((volatile u16 *)(addr),(b)) +#define pci_readl(addr,b) pci_read_le32((volatile u32 *)(addr),(b)) +#define pci_writew(b,addr) pci_write_le16((volatile u16 *)(addr),(b)) +#define pci_writel(b,addr) pci_write_le32((volatile u32 *)(addr),(b)) +#endif + + +#endif /* _PCI_IO_H_ */ -- cgit v1.2.3