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>

1 files changed, 33 insertions, 70 deletions

diff --git a/arch/sh/boards/renesas/r7780rp/io.c b/arch/sh/boards/renesas/r7780rp/io.c
index f73ca3f0f5a1..db92d6e6ae99 100644
--- a/arch/sh/boards/renesas/r7780rp/io.c
+++ b/arch/sh/boards/renesas/r7780rp/io.c
@@ -1,6 +1,4 @@
 /*
- * linux/arch/sh/kernel/io_r7780rp.c
- *
  * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
  * Based largely on io_se.c.
  *
@@ -10,37 +8,13 @@
  * placeholder code from io_r7780rp.c left in with the
  * expectation of later SuperIO and PCMCIA access.
  */
-
+#include <linux/pci.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <asm/r7780rp/r7780rp.h>
 #include <asm/addrspace.h>
 #include <asm/io.h>
 
-#include <linux/module.h>
-#include <linux/pci.h>
-#include "../../../drivers/pci/pci-sh7780.h"
-
-/*
- * The 7780 R7780RP-1 uses the built-in PCI controller (PCIC)
- * of the 7780 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	SH7780_PCIIOBR_MASK	0xFFFC0000	/* IO Space Mask */
-#define PCIIOBR		(volatile long *)PCI_REG(SH7780_PCIIOBR)
-#define PCIMBR          (volatile long *)PCI_REG(SH7780_PCIMBR)
-#define PCI_IO_AREA	SH7780_PCI_IO_BASE
-#define PCI_MEM_AREA	SH7780_PCI_CONFIG_BASE
-
-#define PCI_IOMAP(adr)	(PCI_IO_AREA + (adr & ~SH7780_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)
@@ -78,17 +52,6 @@ static inline int shifted_port(unsigned long port)
 		return 1;
 }
 
-/* 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_SH7780_PCIIO(port) \
-  ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7780_PCI_IO_SIZE)))
-#else
-#define CHECK_SH7780_PCIIO(port) (0)
-#endif
-
 #if defined(CONFIG_NE2000) || defined(CONFIG_NE2000_MODULE)
 #define CHECK_AX88796L_PORT(port) \
   ((port >= AX88796L_IO_BASE) && (port < (AX88796L_IO_BASE+0x20)))
@@ -109,8 +72,8 @@ u8 r7780rp_inb(unsigned long port)
 		return ctrl_inw(port88796l(port, 0)) & 0xff;
 	else if (PXSEG(port))
 		return ctrl_inb(port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		return ctrl_inb(PCI_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return ctrl_inb(pci_ioaddr(port));
 
 	return ctrl_inw(port2adr(port)) & 0xff;
 }
@@ -123,12 +86,12 @@ u8 r7780rp_inb_p(unsigned long port)
 		v = ctrl_inw(port88796l(port, 0)) & 0xff;
 	else if (PXSEG(port))
 		v = ctrl_inb(port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		v = ctrl_inb(PCI_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		v = ctrl_inb(pci_ioaddr(port));
 	else
 		v = ctrl_inw(port2adr(port)) & 0xff;
 
-	delay();
+	ctrl_delay();
 
 	return v;
 }
@@ -139,8 +102,8 @@ u16 r7780rp_inw(unsigned long port)
 		maybebadio(port);
 	else if (PXSEG(port))
 		return ctrl_inw(port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		return ctrl_inw(PCI_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return ctrl_inw(pci_ioaddr(port));
 	else
 		maybebadio(port);
 
@@ -153,8 +116,8 @@ u32 r7780rp_inl(unsigned long port)
 		maybebadio(port);
 	else if (PXSEG(port))
 		return ctrl_inl(port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		return ctrl_inl(PCI_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return ctrl_inl(pci_ioaddr(port));
 	else
 		maybebadio(port);
 
@@ -167,8 +130,8 @@ void r7780rp_outb(u8 value, unsigned long port)
 		ctrl_outw(value, port88796l(port, 0));
 	else if (PXSEG(port))
 		ctrl_outb(value, port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		ctrl_outb(value, PCI_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outb(value, pci_ioaddr(port));
 	else
 		ctrl_outw(value, port2adr(port));
 }
@@ -179,12 +142,12 @@ void r7780rp_outb_p(u8 value, unsigned long port)
 		ctrl_outw(value, port88796l(port, 0));
 	else if (PXSEG(port))
 		ctrl_outb(value, port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		ctrl_outb(value, PCI_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outb(value, pci_ioaddr(port));
 	else
 		ctrl_outw(value, port2adr(port));
 
-	delay();
+	ctrl_delay();
 }
 
 void r7780rp_outw(u16 value, unsigned long port)
@@ -193,8 +156,8 @@ void r7780rp_outw(u16 value, unsigned long port)
 		maybebadio(port);
 	else if (PXSEG(port))
 		ctrl_outw(value, port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		ctrl_outw(value, PCI_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outw(value, pci_ioaddr(port));
 	else
 		maybebadio(port);
 }
@@ -205,8 +168,8 @@ void r7780rp_outl(u32 value, unsigned long port)
 		maybebadio(port);
 	else if (PXSEG(port))
 		ctrl_outl(value, port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		ctrl_outl(value, PCI_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outl(value, pci_ioaddr(port));
 	else
 		maybebadio(port);
 }
@@ -223,8 +186,8 @@ void r7780rp_insb(unsigned long port, void *dst, unsigned long count)
 	} else if (PXSEG(port)) {
 		while (count--)
 			*buf++ = *(volatile u8 *)port;
-	} else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) {
-		volatile u8 *bp = (volatile u8 *)PCI_IOMAP(port);
+	} else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u8 *bp = (volatile u8 *)pci_ioaddr(port);
 
 		while (count--)
 			*buf++ = *bp;
@@ -244,8 +207,8 @@ void r7780rp_insw(unsigned long port, void *dst, unsigned long count)
 		p = (volatile u16 *)port88796l(port, 1);
 	else if (PXSEG(port))
 		p = (volatile u16 *)port;
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		p = (volatile u16 *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		p = (volatile u16 *)pci_ioaddr(port);
 	else
 		p = (volatile u16 *)port2adr(port);
 
@@ -259,8 +222,8 @@ void r7780rp_insl(unsigned long port, void *dst, unsigned long count)
 
 	if (CHECK_AX88796L_PORT(port))
 		maybebadio(port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) {
-		volatile u32 *p = (volatile u32 *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u32 *p = (volatile u32 *)pci_ioaddr(port);
 
 		while (count--)
 			*buf++ = *p;
@@ -280,8 +243,8 @@ void r7780rp_outsb(unsigned long port, const void *src, unsigned long count)
 	} else if (PXSEG(port))
 		while (count--)
 			ctrl_outb(*buf++, port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) {
-		volatile u8 *bp = (volatile u8 *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u8 *bp = (volatile u8 *)pci_ioaddr(port);
 
 		while (count--)
 			*bp = *buf++;
@@ -301,8 +264,8 @@ void r7780rp_outsw(unsigned long port, const void *src, unsigned long count)
 		p = (volatile u16 *)port88796l(port, 1);
 	else if (PXSEG(port))
 		p = (volatile u16 *)port;
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		p = (volatile u16 *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		p = (volatile u16 *)pci_ioaddr(port);
 	else
 		p = (volatile u16 *)port2adr(port);
 
@@ -316,8 +279,8 @@ void r7780rp_outsl(unsigned long port, const void *src, unsigned long count)
 
 	if (CHECK_AX88796L_PORT(port))
 		maybebadio(port);
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port)) {
-		volatile u32 *p = (volatile u32 *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u32 *p = (volatile u32 *)pci_ioaddr(port);
 
 		while (count--)
 			*p = *buf++;
@@ -331,8 +294,8 @@ void __iomem *r7780rp_ioport_map(unsigned long port, unsigned int size)
 		return (void __iomem *)port88796l(port, size > 1);
 	else if (PXSEG(port))
 		return (void __iomem *)port;
-	else if (CHECK_SH7780_PCIIO(port) || shifted_port(port))
-		return (void __iomem *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return (void __iomem *)pci_ioaddr(port);
 
 	return (void __iomem *)port2adr(port);
 }