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m68k: add IO access definitions to support PCI on ColdFire platforms

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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>
This commit is contained in:
Greg Ungerer 2012-06-29 00:03:27 +10:00
parent 32be2acc7c
commit 9ff601a41f
1 changed files with 47 additions and 1 deletions
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48
arch/m68k/include/asm/io_mm.h
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@ -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