diff options
Diffstat (limited to 'arch/sh/boards/titan')
| -rw-r--r-- | arch/sh/boards/titan/io.c | 65 |
1 files changed, 21 insertions, 44 deletions
diff --git a/arch/sh/boards/titan/io.c b/arch/sh/boards/titan/io.c index 48f3494f55b1..4730c1dd697d 100644 --- a/arch/sh/boards/titan/io.c +++ b/arch/sh/boards/titan/io.c @@ -1,34 +1,11 @@ /* * I/O routines for Titan */ - #include <linux/pci.h> #include <asm/machvec.h> #include <asm/addrspace.h> #include <asm/titan.h> #include <asm/io.h> -#include "../../drivers/pci/pci-sh7751.h" - -#define PCIIOBR (volatile long *)PCI_REG(SH7751_PCIIOBR) -#define PCIMBR (volatile long *)PCI_REG(SH7751_PCIMBR) -#define PCI_IO_AREA SH7751_PCI_IO_BASE -#define PCI_MEM_AREA SH7751_PCI_CONFIG_BASE - -#define PCI_IOMAP(adr) (PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK)) - -#if defined(CONFIG_PCI) -#define CHECK_SH7751_PCIIO(port) \ - ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE))) -#define CHECK_SH7751_PCIMEMIO(port) \ - ((port >= PCIBIOS_MIN_MEM) && (port < (PCIBIOS_MIN_MEM + SH7751_PCI_MEM_SIZE))) -#else -#define CHECK_SH7751_PCIIO(port) (0) -#endif - -static inline void delay(void) -{ - ctrl_inw(0xa0000000); -} static inline unsigned int port2adr(unsigned int port) { @@ -40,8 +17,8 @@ u8 titan_inb(unsigned long port) { if (PXSEG(port)) return ctrl_inb(port); - else if (CHECK_SH7751_PCIIO(port)) - return ctrl_inb(PCI_IOMAP(port)); + else if (is_pci_ioaddr(port)) + return ctrl_inb(pci_ioaddr(port)); return ctrl_inw(port2adr(port)) & 0xff; } @@ -51,11 +28,11 @@ u8 titan_inb_p(unsigned long port) if (PXSEG(port)) v = ctrl_inb(port); - else if (CHECK_SH7751_PCIIO(port)) - v = ctrl_inb(PCI_IOMAP(port)); + else if (is_pci_ioaddr(port)) + v = ctrl_inb(pci_ioaddr(port)); else v = ctrl_inw(port2adr(port)) & 0xff; - delay(); + ctrl_delay(); return v; } @@ -63,8 +40,8 @@ u16 titan_inw(unsigned long port) { if (PXSEG(port)) return ctrl_inw(port); - else if (CHECK_SH7751_PCIIO(port)) - return ctrl_inw(PCI_IOMAP(port)); + else if (is_pci_ioaddr(port)) + return ctrl_inw(pci_ioaddr(port)); else if (port >= 0x2000) return ctrl_inw(port2adr(port)); else @@ -76,8 +53,8 @@ u32 titan_inl(unsigned long port) { if (PXSEG(port)) return ctrl_inl(port); - else if (CHECK_SH7751_PCIIO(port)) - return ctrl_inl(PCI_IOMAP(port)); + else if (is_pci_ioaddr(port)) + return ctrl_inl(pci_ioaddr(port)); else if (port >= 0x2000) return ctrl_inw(port2adr(port)); else @@ -89,8 +66,8 @@ void titan_outb(u8 value, unsigned long port) { if (PXSEG(port)) ctrl_outb(value, port); - else if (CHECK_SH7751_PCIIO(port)) - ctrl_outb(value, PCI_IOMAP(port)); + else if (is_pci_ioaddr(port)) + ctrl_outb(value, pci_ioaddr(port)); else ctrl_outw(value, port2adr(port)); } @@ -99,19 +76,19 @@ void titan_outb_p(u8 value, unsigned long port) { if (PXSEG(port)) ctrl_outb(value, port); - else if (CHECK_SH7751_PCIIO(port)) - ctrl_outb(value, PCI_IOMAP(port)); + else if (is_pci_ioaddr(port)) + ctrl_outb(value, pci_ioaddr(port)); else ctrl_outw(value, port2adr(port)); - delay(); + ctrl_delay(); } void titan_outw(u16 value, unsigned long port) { if (PXSEG(port)) ctrl_outw(value, port); - else if (CHECK_SH7751_PCIIO(port)) - ctrl_outw(value, PCI_IOMAP(port)); + else if (is_pci_ioaddr(port)) + ctrl_outw(value, pci_ioaddr(port)); else if (port >= 0x2000) ctrl_outw(value, port2adr(port)); else @@ -122,8 +99,8 @@ void titan_outl(u32 value, unsigned long port) { if (PXSEG(port)) ctrl_outl(value, port); - else if (CHECK_SH7751_PCIIO(port)) - ctrl_outl(value, PCI_IOMAP(port)); + else if (is_pci_ioaddr(port)) + ctrl_outl(value, pci_ioaddr(port)); else maybebadio(port); } @@ -140,10 +117,10 @@ void titan_outsl(unsigned long port, const void *src, unsigned long count) void __iomem *titan_ioport_map(unsigned long port, unsigned int size) { - if (PXSEG(port) || CHECK_SH7751_PCIMEMIO(port)) + if (PXSEG(port) || is_pci_memaddr(port)) return (void __iomem *)port; - else if (CHECK_SH7751_PCIIO(port)) - return (void __iomem *)PCI_IOMAP(port); + else if (is_pci_ioaddr(port)) + return (void __iomem *)pci_ioaddr(port); return (void __iomem *)port2adr(port); } |