aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/boards/renesas/hs7751rvoip/io.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh/boards/renesas/hs7751rvoip/io.c')
-rw-r--r--arch/sh/boards/renesas/hs7751rvoip/io.c310
1 files changed, 0 insertions, 310 deletions
diff --git a/arch/sh/boards/renesas/hs7751rvoip/io.c b/arch/sh/boards/renesas/hs7751rvoip/io.c
deleted file mode 100644
index 456753d2649..00000000000
--- a/arch/sh/boards/renesas/hs7751rvoip/io.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/*
- * linux/arch/sh/kernel/io_hs7751rvoip.c
- *
- * Copyright (C) 2001 Ian da Silva, Jeremy Siegel
- * Based largely on io_se.c.
- *
- * I/O routine for Renesas Technology sales HS7751RVoIP
- *
- * Initial version only to support LAN access; some
- * placeholder code from io_hs7751rvoip.c left in with the
- * expectation of later SuperIO and PCMCIA access.
- */
-
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <asm/io.h>
-#include <asm/hs7751rvoip/hs7751rvoip.h>
-#include <asm/addrspace.h>
-
-#include <linux/module.h>
-#include <linux/pci.h>
-#include "../../../drivers/pci/pci-sh7751.h"
-
-extern void *area5_io8_base; /* Area 5 8bit I/O Base address */
-extern void *area6_io8_base; /* Area 6 8bit I/O Base address */
-extern void *area5_io16_base; /* Area 5 16bit I/O Base address */
-extern void *area6_io16_base; /* Area 6 16bit I/O Base address */
-
-/*
- * The 7751R HS7751RVoIP 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))
-
-#if defined(CONFIG_HS7751RVOIP_CODEC)
-#define CODEC_IO_BASE 0x1000
-#endif
-
-#define maybebadio(name,port) \
- printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \
- #name, (port), (__u32) __builtin_return_address(0))
-
-static inline void delay(void)
-{
- ctrl_inw(0xa0000000);
-}
-
-static inline unsigned long port2adr(unsigned int port)
-{
- if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6)
- if (port == 0x3f6)
- return ((unsigned long)area5_io16_base + 0x0c);
- else
- return ((unsigned long)area5_io16_base + 0x800 + ((port-0x1f0) << 1));
- else
- maybebadio(port2adr, (unsigned long)port);
- return port;
-}
-
-/* The 7751R HS7751RVoIP seems to have everything hooked */
-/* up pretty normally (nothing on high-bytes only...) so this */
-/* shouldn't be needed */
-static inline int shifted_port(unsigned long port)
-{
- /* For IDE registers, value is not shifted */
- if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6)
- return 0;
- else
- return 1;
-}
-
-#if defined(CONFIG_HS7751RVOIP_CODEC)
-static inline int
-codec_port(unsigned long port)
-{
- if (CODEC_IO_BASE <= port && port < (CODEC_IO_BASE+0x20))
- return 1;
- else
- return 0;
-}
-#endif
-
-/* 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_SH7751_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)
- * is mapped through the PCI IO window. Stuff with high bits (PXSEG)
- * should be way beyond the window, and is used w/o translation for
- * compatibility.
- */
-unsigned char hs7751rvoip_inb(unsigned long port)
-{
- if (PXSEG(port))
- return *(volatile unsigned char *)port;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
- else if (codec_port(port))
- return *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE));
-#endif
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- return *(volatile unsigned char *)PCI_IOMAP(port);
- else
- return (*(volatile unsigned short *)port2adr(port) & 0xff);
-}
-
-unsigned char hs7751rvoip_inb_p(unsigned long port)
-{
- unsigned char v;
-
- if (PXSEG(port))
- v = *(volatile unsigned char *)port;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
- else if (codec_port(port))
- v = *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE));
-#endif
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- v = *(volatile unsigned char *)PCI_IOMAP(port);
- else
- v = (*(volatile unsigned short *)port2adr(port) & 0xff);
- delay();
- return v;
-}
-
-unsigned short hs7751rvoip_inw(unsigned long port)
-{
- if (PXSEG(port))
- return *(volatile unsigned short *)port;
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- return *(volatile unsigned short *)PCI_IOMAP(port);
- else
- maybebadio(inw, port);
- return 0;
-}
-
-unsigned int hs7751rvoip_inl(unsigned long port)
-{
- if (PXSEG(port))
- return *(volatile unsigned long *)port;
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- return *(volatile unsigned long *)PCI_IOMAP(port);
- else
- maybebadio(inl, port);
- return 0;
-}
-
-void hs7751rvoip_outb(unsigned char value, unsigned long port)
-{
-
- if (PXSEG(port))
- *(volatile unsigned char *)port = value;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
- else if (codec_port(port))
- *(volatile unsigned cjar *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = value;
-#endif
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- *(unsigned char *)PCI_IOMAP(port) = value;
- else
- *(volatile unsigned short *)port2adr(port) = value;
-}
-
-void hs7751rvoip_outb_p(unsigned char value, unsigned long port)
-{
- if (PXSEG(port))
- *(volatile unsigned char *)port = value;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
- else if (codec_port(port))
- *(volatile unsigned cjar *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = value;
-#endif
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- *(unsigned char *)PCI_IOMAP(port) = value;
- else
- *(volatile unsigned short *)port2adr(port) = value;
- delay();
-}
-
-void hs7751rvoip_outw(unsigned short value, unsigned long port)
-{
- if (PXSEG(port))
- *(volatile unsigned short *)port = value;
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- *(unsigned short *)PCI_IOMAP(port) = value;
- else
- maybebadio(outw, port);
-}
-
-void hs7751rvoip_outl(unsigned int value, unsigned long port)
-{
- if (PXSEG(port))
- *(volatile unsigned long *)port = value;
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- *((unsigned long *)PCI_IOMAP(port)) = value;
- else
- maybebadio(outl, port);
-}
-
-void hs7751rvoip_insb(unsigned long port, void *addr, unsigned long count)
-{
- if (PXSEG(port))
- while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)port;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
- else if (codec_port(port))
- while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE));
-#endif
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
- volatile __u8 *bp = (__u8 *)PCI_IOMAP(port);
-
- while (count--) *((volatile unsigned char *) addr)++ = *bp;
- } else {
- volatile __u16 *p = (volatile unsigned short *)port2adr(port);
-
- while (count--) *((unsigned char *) addr)++ = *p & 0xff;
- }
-}
-
-void hs7751rvoip_insw(unsigned long port, void *addr, unsigned long count)
-{
- volatile __u16 *p;
-
- if (PXSEG(port))
- p = (volatile unsigned short *)port;
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- p = (volatile unsigned short *)PCI_IOMAP(port);
- else
- p = (volatile unsigned short *)port2adr(port);
- while (count--) *((__u16 *) addr)++ = *p;
-}
-
-void hs7751rvoip_insl(unsigned long port, void *addr, unsigned long count)
-{
- if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
- volatile __u32 *p = (__u32 *)PCI_IOMAP(port);
-
- while (count--) *((__u32 *) addr)++ = *p;
- } else
- maybebadio(insl, port);
-}
-
-void hs7751rvoip_outsb(unsigned long port, const void *addr, unsigned long count)
-{
- if (PXSEG(port))
- while (count--) *(volatile unsigned char *)port = *((unsigned char *) addr)++;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
- else if (codec_port(port))
- while (count--) *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = *((unsigned char *) addr)++;
-#endif
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
- volatile __u8 *bp = (__u8 *)PCI_IOMAP(port);
-
- while (count--) *bp = *((volatile unsigned char *) addr)++;
- } else {
- volatile __u16 *p = (volatile unsigned short *)port2adr(port);
-
- while (count--) *p = *((unsigned char *) addr)++;
- }
-}
-
-void hs7751rvoip_outsw(unsigned long port, const void *addr, unsigned long count)
-{
- volatile __u16 *p;
-
- if (PXSEG(port))
- p = (volatile unsigned short *)port;
- else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
- p = (volatile unsigned short *)PCI_IOMAP(port);
- else
- p = (volatile unsigned short *)port2adr(port);
- while (count--) *p = *((__u16 *) addr)++;
-}
-
-void hs7751rvoip_outsl(unsigned long port, const void *addr, unsigned long count)
-{
- if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
- volatile __u32 *p = (__u32 *)PCI_IOMAP(port);
-
- while (count--) *p = *((__u32 *) addr)++;
- } else
- maybebadio(outsl, port);
-}
-
-void *hs7751rvoip_ioremap(unsigned long offset, unsigned long size)
-{
- if (offset >= 0xfd000000)
- return (void *)offset;
- else
- return (void *)P2SEGADDR(offset);
-}
-EXPORT_SYMBOL(hs7751rvoip_ioremap);
-
-unsigned long hs7751rvoip_isa_port2addr(unsigned long offset)
-{
- return port2adr(offset);
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 18:25:17 +0000