| /* |
| * Copyright (C) 2002 David McCullough <davidm@snapgear.com> |
| * Copyright (C) 2001 Ian da Silva, Jeremy Siegel |
| * Based largely on io_se.c. |
| * |
| * I/O routine for Hitachi 7751 SolutionEngine. |
| * |
| * Initial version only to support LAN access; some |
| * placeholder code from io_se.c left in with the |
| * expectation of later SuperIO and PCMCIA access. |
| */ |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/pci.h> |
| #include <asm/io.h> |
| #include <asm/addrspace.h> |
| |
| #ifdef CONFIG_SH_SECUREEDGE5410 |
| unsigned short secureedge5410_ioport; |
| #endif |
| |
| static inline volatile __u16 *port2adr(unsigned int port) |
| { |
| maybebadio((unsigned long)port); |
| return (volatile __u16*)port; |
| } |
| |
| /* |
| * 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 snapgear_inb(unsigned long port) |
| { |
| if (PXSEG(port)) |
| return *(volatile unsigned char *)port; |
| else if (is_pci_ioaddr(port)) |
| return *(volatile unsigned char *)pci_ioaddr(port); |
| else |
| return (*port2adr(port)) & 0xff; |
| } |
| |
| unsigned char snapgear_inb_p(unsigned long port) |
| { |
| unsigned char v; |
| |
| if (PXSEG(port)) |
| v = *(volatile unsigned char *)port; |
| else if (is_pci_ioaddr(port)) |
| v = *(volatile unsigned char *)pci_ioaddr(port); |
| else |
| v = (*port2adr(port))&0xff; |
| ctrl_delay(); |
| return v; |
| } |
| |
| unsigned short snapgear_inw(unsigned long port) |
| { |
| if (PXSEG(port)) |
| return *(volatile unsigned short *)port; |
| else if (is_pci_ioaddr(port)) |
| return *(volatile unsigned short *)pci_ioaddr(port); |
| else if (port >= 0x2000) |
| return *port2adr(port); |
| else |
| maybebadio(port); |
| return 0; |
| } |
| |
| unsigned int snapgear_inl(unsigned long port) |
| { |
| if (PXSEG(port)) |
| return *(volatile unsigned long *)port; |
| else if (is_pci_ioaddr(port)) |
| return *(volatile unsigned int *)pci_ioaddr(port); |
| else if (port >= 0x2000) |
| return *port2adr(port); |
| else |
| maybebadio(port); |
| return 0; |
| } |
| |
| void snapgear_outb(unsigned char value, unsigned long port) |
| { |
| |
| if (PXSEG(port)) |
| *(volatile unsigned char *)port = value; |
| else if (is_pci_ioaddr(port)) |
| *((unsigned char*)pci_ioaddr(port)) = value; |
| else |
| *(port2adr(port)) = value; |
| } |
| |
| void snapgear_outb_p(unsigned char value, unsigned long port) |
| { |
| if (PXSEG(port)) |
| *(volatile unsigned char *)port = value; |
| else if (is_pci_ioaddr(port)) |
| *((unsigned char*)pci_ioaddr(port)) = value; |
| else |
| *(port2adr(port)) = value; |
| ctrl_delay(); |
| } |
| |
| void snapgear_outw(unsigned short value, unsigned long port) |
| { |
| if (PXSEG(port)) |
| *(volatile unsigned short *)port = value; |
| else if (is_pci_ioaddr(port)) |
| *((unsigned short *)pci_ioaddr(port)) = value; |
| else if (port >= 0x2000) |
| *port2adr(port) = value; |
| else |
| maybebadio(port); |
| } |
| |
| void snapgear_outl(unsigned int value, unsigned long port) |
| { |
| if (PXSEG(port)) |
| *(volatile unsigned long *)port = value; |
| else if (is_pci_ioaddr(port)) |
| *((unsigned long*)pci_ioaddr(port)) = value; |
| else |
| maybebadio(port); |
| } |
| |
| void snapgear_insl(unsigned long port, void *addr, unsigned long count) |
| { |
| maybebadio(port); |
| } |
| |
| void snapgear_outsl(unsigned long port, const void *addr, unsigned long count) |
| { |
| maybebadio(port); |
| } |