diff options
Diffstat (limited to 'arch/sh/boards/renesas/rts7751r2d/io.c')
| -rw-r--r-- | arch/sh/boards/renesas/rts7751r2d/io.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/arch/sh/boards/renesas/rts7751r2d/io.c b/arch/sh/boards/renesas/rts7751r2d/io.c deleted file mode 100644 index c46f9154cfd..00000000000 --- a/arch/sh/boards/renesas/rts7751r2d/io.c +++ /dev/null @@ -1,319 +0,0 @@ -/* - * linux/arch/sh/kernel/io_rts7751r2d.c - * - * Copyright (C) 2001 Ian da Silva, Jeremy Siegel - * Based largely on io_se.c. - * - * I/O routine for Renesas Technology sales RTS7751R2D. - * - * Initial version only to support LAN access; some - * placeholder code from io_rts7751r2d.c left in with the - * expectation of later SuperIO and PCMCIA access. - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/io.h> -#include <asm/rts7751r2d/rts7751r2d.h> -#include <asm/addrspace.h> - -#include <linux/module.h> -#include <linux/pci.h> -#include "../../../drivers/pci/pci-sh7751.h" - -/* - * The 7751R RTS7751R2D 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)) - -#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 (PA_AREA5_IO + 0x80c); - else - return (PA_AREA5_IO + 0x1000 + ((port-0x1f0) << 1)); - else - maybebadio(port2adr, (unsigned long)port); - - return port; -} - -static inline unsigned long port88796l(unsigned int port, int flag) -{ - unsigned long addr; - - if (flag) - addr = PA_AX88796L + ((port - AX88796L_IO_BASE) << 1); - else - addr = PA_AX88796L + ((port - AX88796L_IO_BASE) << 1) + 0x1000; - - return addr; -} - -/* The 7751R RTS7751R2D 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; -} - -/* 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 - -#if defined(CONFIG_NE2000) || defined(CONFIG_NE2000_MODULE) -#define CHECK_AX88796L_PORT(port) \ - ((port >= AX88796L_IO_BASE) && (port < (AX88796L_IO_BASE+0x20))) -#else -#define CHECK_AX88796L_PORT(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 rts7751r2d_inb(unsigned long port) -{ - if (CHECK_AX88796L_PORT(port)) - return (*(volatile unsigned short *)port88796l(port, 0)) & 0xff; - else if (PXSEG(port)) - return *(volatile unsigned char *)port; - 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 rts7751r2d_inb_p(unsigned long port) -{ - unsigned char v; - - if (CHECK_AX88796L_PORT(port)) - v = (*(volatile unsigned short *)port88796l(port, 0)) & 0xff; - else if (PXSEG(port)) - v = *(volatile unsigned char *)port; - 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 rts7751r2d_inw(unsigned long port) -{ - if (CHECK_AX88796L_PORT(port)) - maybebadio(inw, port); - else 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 rts7751r2d_inl(unsigned long port) -{ - if (CHECK_AX88796L_PORT(port)) - maybebadio(inl, port); - else 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 rts7751r2d_outb(unsigned char value, unsigned long port) -{ - if (CHECK_AX88796L_PORT(port)) - *((volatile unsigned short *)port88796l(port, 0)) = value; - else if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - *(volatile unsigned char *)PCI_IOMAP(port) = value; - else - *(volatile unsigned short *)port2adr(port) = value; -} - -void rts7751r2d_outb_p(unsigned char value, unsigned long port) -{ - if (CHECK_AX88796L_PORT(port)) - *((volatile unsigned short *)port88796l(port, 0)) = value; - else if (PXSEG(port)) - *(volatile unsigned char *)port = value; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - *(volatile unsigned char *)PCI_IOMAP(port) = value; - else - *(volatile unsigned short *)port2adr(port) = value; - delay(); -} - -void rts7751r2d_outw(unsigned short value, unsigned long port) -{ - if (CHECK_AX88796L_PORT(port)) - maybebadio(outw, port); - else if (PXSEG(port)) - *(volatile unsigned short *)port = value; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - *(volatile unsigned short *)PCI_IOMAP(port) = value; - else - maybebadio(outw, port); -} - -void rts7751r2d_outl(unsigned int value, unsigned long port) -{ - if (CHECK_AX88796L_PORT(port)) - maybebadio(outl, port); - else if (PXSEG(port)) - *(volatile unsigned long *)port = value; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) - *(volatile unsigned long *)PCI_IOMAP(port) = value; - else - maybebadio(outl, port); -} - -void rts7751r2d_insb(unsigned long port, void *addr, unsigned long count) -{ - volatile __u8 *bp; - volatile __u16 *p; - - if (CHECK_AX88796L_PORT(port)) { - p = (volatile unsigned short *)port88796l(port, 0); - while (count--) *((unsigned char *) addr)++ = *p & 0xff; - } else if (PXSEG(port)) - while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)port; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { - bp = (__u8 *)PCI_IOMAP(port); - while (count--) *((volatile unsigned char *) addr)++ = *bp; - } else { - p = (volatile unsigned short *)port2adr(port); - while (count--) *((unsigned char *) addr)++ = *p & 0xff; - } -} - -void rts7751r2d_insw(unsigned long port, void *addr, unsigned long count) -{ - volatile __u16 *p; - - if (CHECK_AX88796L_PORT(port)) - p = (volatile unsigned short *)port88796l(port, 1); - else 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 rts7751r2d_insl(unsigned long port, void *addr, unsigned long count) -{ - if (CHECK_AX88796L_PORT(port)) - maybebadio(insl, port); - else 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 rts7751r2d_outsb(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u8 *bp; - volatile __u16 *p; - - if (CHECK_AX88796L_PORT(port)) { - p = (volatile unsigned short *)port88796l(port, 0); - while (count--) *p = *((unsigned char *) addr)++; - } else if (PXSEG(port)) - while (count--) *(volatile unsigned char *)port = *((unsigned char *) addr)++; - else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) { - bp = (__u8 *)PCI_IOMAP(port); - while (count--) *bp = *((volatile unsigned char *) addr)++; - } else { - p = (volatile unsigned short *)port2adr(port); - while (count--) *p = *((unsigned char *) addr)++; - } -} - -void rts7751r2d_outsw(unsigned long port, const void *addr, unsigned long count) -{ - volatile __u16 *p; - - if (CHECK_AX88796L_PORT(port)) - p = (volatile unsigned short *)port88796l(port, 1); - else 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 rts7751r2d_outsl(unsigned long port, const void *addr, unsigned long count) -{ - if (CHECK_AX88796L_PORT(port)) - maybebadio(outsl, port); - else 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 *rts7751r2d_ioremap(unsigned long offset, unsigned long size) -{ - if (offset >= 0xfd000000) - return (void *)offset; - else - return (void *)P2SEGADDR(offset); -} -EXPORT_SYMBOL(rts7751r2d_ioremap); - -unsigned long rts7751r2d_isa_port2addr(unsigned long offset) -{ - return port2adr(offset); -} |
