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>
diff --git a/arch/sh/boards/titan/io.c b/arch/sh/boards/titan/io.c
index 48f3494..4730c1d 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 @@
{
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 @@
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 @@
{
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 @@
{
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 @@
{
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 @@
{
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 @@
{
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 __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);
}