diff options
author | Paul Mundt <lethal@linux-sh.org> | 2006-09-27 16:43:28 +0900 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2006-09-27 16:43:28 +0900 |
commit | 959f85f8a3223c116bbe95dd8a9b207790b5d4d3 (patch) | |
tree | e7da9ccf292f860bfa0ff9cc8b2682cd1d6bad4d /arch/sh/boards/landisk/io.c | |
parent | e108b2ca2349f510ce7d7f910eda89f71d710d84 (diff) |
sh: Consolidated SH7751/SH7780 PCI support.
This cleans up quite a lot of the PCI mess that we
currently have, and attempts to consolidate the
duplication in the SH7780 and SH7751 PCI controllers.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards/landisk/io.c')
-rw-r--r-- | arch/sh/boards/landisk/io.c | 100 |
1 files changed, 33 insertions, 67 deletions
diff --git a/arch/sh/boards/landisk/io.c b/arch/sh/boards/landisk/io.c index aa6b145c9e8..92498b4947d 100644 --- a/arch/sh/boards/landisk/io.c +++ b/arch/sh/boards/landisk/io.c @@ -14,39 +14,16 @@ * modifed by kogiidena * 2005.03.03 */ - #include <linux/kernel.h> #include <linux/types.h> +#include <linux/pci.h> #include <asm/landisk/iodata_landisk.h> #include <asm/addrspace.h> #include <asm/io.h> -#include <linux/module.h> -#include <linux/pci.h> -#include "../../drivers/pci/pci-sh7751.h" - extern void *area5_io_base; /* Area 5 I/O Base address */ extern void *area6_io_base; /* Area 6 I/O Base address */ -/* - * The 7751R LANDISK uses the built-in PCI controller (PCIC) - * of the 7751R processor, and has a SuperIO accessible via the PCI. - * The board also includes a PCMCIA controller on its memory bus, - * like the other Solution Engine boards. - */ - -#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)) - -static inline void delay(void) -{ - ctrl_inw(0xa0000000); -} - static inline unsigned long port2adr(unsigned int port) { if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6) @@ -67,17 +44,6 @@ static inline unsigned long port2adr(unsigned int port) return port; } -/* In case someone configures the kernel w/o PCI support: in that */ -/* scenario, don't ever bother to check for PCI-window addresses */ - -/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */ -#if defined(CONFIG_PCI) -#define CHECK_SH7751_PCIIO(port) \ - ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE))) -#else -#define CHECK_SH_7751_PCIIO(port) (0) -#endif - /* * General outline: remap really low stuff [eventually] to SuperIO, * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) @@ -89,8 +55,8 @@ u8 landisk_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; } @@ -101,12 +67,12 @@ u8 landisk_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; } @@ -115,8 +81,8 @@ u16 landisk_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 maybebadio(port); @@ -127,8 +93,8 @@ u32 landisk_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 maybebadio(port); @@ -139,8 +105,8 @@ void landisk_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)); } @@ -149,19 +115,19 @@ void landisk_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 landisk_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 maybebadio(port); } @@ -170,8 +136,8 @@ void landisk_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); } @@ -184,8 +150,8 @@ void landisk_insb(unsigned long port, void *dst, unsigned long count) if (PXSEG(port)) { while (count--) *buf++ = *(volatile u8 *)port; - } else if (CHECK_SH7751_PCIIO(port)) { - volatile u8 *bp = (volatile u8 *)PCI_IOMAP(port); + } else if (is_pci_ioaddr(port)) { + volatile u8 *bp = (volatile u8 *)pci_ioaddr(port); while (count--) *buf++ = *bp; @@ -203,8 +169,8 @@ void landisk_insw(unsigned long port, void *dst, unsigned long count) if (PXSEG(port)) p = (volatile u16 *)port; - else if (CHECK_SH7751_PCIIO(port)) - p = (volatile u16 *)PCI_IOMAP(port); + else if (is_pci_ioaddr(port)) + p = (volatile u16 *)pci_ioaddr(port); else p = (volatile u16 *)port2adr(port); while (count--) @@ -215,8 +181,8 @@ void landisk_insl(unsigned long port, void *dst, unsigned long count) { u32 *buf = dst; - if (CHECK_SH7751_PCIIO(port)) { - volatile u32 *p = (volatile u32 *)PCI_IOMAP(port); + if (is_pci_ioaddr(port)) { + volatile u32 *p = (volatile u32 *)pci_ioaddr(port); while (count--) *buf++ = *p; @@ -232,8 +198,8 @@ void landisk_outsb(unsigned long port, const void *src, unsigned long count) if (PXSEG(port)) while (count--) ctrl_outb(*buf++, port); - else if (CHECK_SH7751_PCIIO(port)) { - volatile u8 *bp = (volatile u8 *)PCI_IOMAP(port); + else if (is_pci_ioaddr(port)) { + volatile u8 *bp = (volatile u8 *)pci_ioaddr(port); while (count--) *bp = *buf++; @@ -251,8 +217,8 @@ void landisk_outsw(unsigned long port, const void *src, unsigned long count) if (PXSEG(port)) p = (volatile u16 *)port; - else if (CHECK_SH7751_PCIIO(port)) - p = (volatile u16 *)PCI_IOMAP(port); + else if (is_pci_ioaddr(port)) + p = (volatile u16 *)pci_ioaddr(port); else p = (volatile u16 *)port2adr(port); @@ -264,8 +230,8 @@ void landisk_outsl(unsigned long port, const void *src, unsigned long count) { const u32 *buf = src; - if (CHECK_SH7751_PCIIO(port)) { - volatile u32 *p = (volatile u32 *)PCI_IOMAP(port); + if (is_pci_ioaddr(port)) { + volatile u32 *p = (volatile u32 *)pci_ioaddr(port); while (count--) *p = *buf++; @@ -277,8 +243,8 @@ void __iomem *landisk_ioport_map(unsigned long port, unsigned int size) { if (PXSEG(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); } |