From 9ff601a41ff5d0d1e4fc06d2c313a86a5f84cba4 Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Fri, 29 Jun 2012 00:03:27 +1000 Subject: [PATCH] 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 Acked-by: Geert Uytterhoeven --- arch/m68k/include/asm/io_mm.h | 48 ++++++++++++++++++++++++++++++++++- 1 file changed, 47 insertions(+), 1 deletion(-) 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 -- 2.20.1