diff options
| author | Greg Ungerer <gerg@uclinux.org> | 2012-06-29 00:03:27 +1000 |
|---|---|---|
| committer | Greg Ungerer <gerg@uclinux.org> | 2012-07-17 15:49:43 +1000 |
| commit | 9ff601a41ff5d0d1e4fc06d2c313a86a5f84cba4 (patch) | |
| tree | e86f566fcb23cd9b5435edf120c79959ae978b98 /arch/m68k | |
| parent | 32be2acc7caa9c9c1157002c4c77063e0084e774 (diff) | |
m68k: add IO access definitions to support PCI on ColdFire platforms
Define the usual memory access functions (readb/writeb/...) and I/O space
functions (inb/outb/...) for PCI bus support on ColdFire CPU based platforms.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/include/asm/io_mm.h | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index b85dbef85e1c..a6686d26fe17 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -65,7 +65,53 @@ -#ifdef CONFIG_ISA +#if defined(CONFIG_PCI) && defined(CONFIG_COLDFIRE) + +#define HAVE_ARCH_PIO_SIZE +#define PIO_OFFSET 0 +#define PIO_MASK 0xffff +#define PIO_RESERVED 0x10000 + +u8 mcf_pci_inb(u32 addr); +u16 mcf_pci_inw(u32 addr); +u32 mcf_pci_inl(u32 addr); +void mcf_pci_insb(u32 addr, u8 *buf, u32 len); +void mcf_pci_insw(u32 addr, u16 *buf, u32 len); +void mcf_pci_insl(u32 addr, u32 *buf, u32 len); + +void mcf_pci_outb(u8 v, u32 addr); +void mcf_pci_outw(u16 v, u32 addr); +void mcf_pci_outl(u32 v, u32 addr); +void mcf_pci_outsb(u32 addr, const u8 *buf, u32 len); +void mcf_pci_outsw(u32 addr, const u16 *buf, u32 len); +void mcf_pci_outsl(u32 addr, const u32 *buf, u32 len); + +#define inb mcf_pci_inb +#define inb_p mcf_pci_inb +#define inw mcf_pci_inw +#define inw_p mcf_pci_inw +#define inl mcf_pci_inl +#define inl_p mcf_pci_inl +#define insb mcf_pci_insb +#define insw mcf_pci_insw +#define insl mcf_pci_insl + +#define outb mcf_pci_outb +#define outb_p mcf_pci_outb +#define outw mcf_pci_outw +#define outw_p mcf_pci_outw +#define outl mcf_pci_outl +#define outl_p mcf_pci_outl +#define outsb mcf_pci_outsb +#define outsw mcf_pci_outsw +#define outsl mcf_pci_outsl + +#define readb(addr) in_8(addr) +#define writeb(v, addr) out_8((addr), (v)) +#define readw(addr) in_le16(addr) +#define writew(v, addr) out_le16((addr), (v)) + +#elif defined(CONFIG_ISA) #if MULTI_ISA == 0 #undef MULTI_ISA |