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authorGreg Ungerer <gerg@uclinux.org>2012-06-29 00:03:27 +1000
committerGreg Ungerer <gerg@uclinux.org>2012-07-17 15:49:43 +1000
commit9ff601a41ff5d0d1e4fc06d2c313a86a5f84cba4 (patch)
treee86f566fcb23cd9b5435edf120c79959ae978b98 /arch/m68k
parent32be2acc7caa9c9c1157002c4c77063e0084e774 (diff)
downloadlinux-linaro-stable-9ff601a41ff5d0d1e4fc06d2c313a86a5f84cba4.tar.gz
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.h48
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