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author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-10-28 10:10:56 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-10-28 10:10:56 +0100 |
commit | 40a5f3de4e19d43fd34ddd0d81542f73ec64a287 (patch) | |
tree | 0ecbebaaa9ddec5dce11382cfce8b473517b4ae6 /arch/ppc/include/asm/pci_io.h | |
parent | 5b28d03dbbfda2409a8bff4b77d5f38824a74782 (diff) | |
parent | daad436bf76ad8acdf66326b1cc3769434cca97f (diff) | |
download | barebox-40a5f3de4e19d43fd34ddd0d81542f73ec64a287.tar.gz barebox-40a5f3de4e19d43fd34ddd0d81542f73ec64a287.tar.xz |
Merge branch 'for-sascha' of git://uboot.jcrosoft.org/u-boot-v2 into from-jean
Conflicts:
board/a9m2440/a9m2440.c
board/pcm043/pcm043.c
drivers/nand/nand_imx.c
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/ppc/include/asm/pci_io.h')
-rw-r--r-- | arch/ppc/include/asm/pci_io.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/ppc/include/asm/pci_io.h b/arch/ppc/include/asm/pci_io.h new file mode 100644 index 0000000000..9b738c383f --- /dev/null +++ b/arch/ppc/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_ */ |