diff options
Diffstat (limited to 'bsps/powerpc/mvme5500/net/if_1GHz/pci_map.c')
| -rw-r--r-- | bsps/powerpc/mvme5500/net/if_1GHz/pci_map.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/bsps/powerpc/mvme5500/net/if_1GHz/pci_map.c b/bsps/powerpc/mvme5500/net/if_1GHz/pci_map.c deleted file mode 100644 index 26b143ea1a..0000000000 --- a/bsps/powerpc/mvme5500/net/if_1GHz/pci_map.c +++ /dev/null @@ -1,135 +0,0 @@ -/* $NetBSD: pci_map.c,v 1.12 2002/05/30 12:06:43 drochner Exp $ */ - -/*- - * Copyright (c) 2004, 2005 Brookhaven National Laboratory - * S. Kate Feng <feng1@bnl.gov> - * - * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Charles M. Hannum; by William R. Studenmund; by Jason R. Thorpe. - * - */ - -/* - * PCI device mapping. - */ - -#include <sys/cdefs.h> -#include <sys/param.h> -#include <sys/systm.h> -#include <rtems/rtems/types.h> - -#include <bsp/pci.h> -#include <bsp/pcireg.h> - -extern int pci_get_capability(int b, int d, int f, int capid,int *offset,uint32_t *value); -extern int pci_mem_find(int b, int d, int f, int reg, unsigned *basep,unsigned *sizep); -extern int pci_io_find(int b, int d, int f, int reg,unsigned *basep,unsigned *sizep); - -int pci_io_find(int b, int d, int f, int reg,unsigned *basep,unsigned *sizep) -{ - uint32_t address, mask; - - if (reg < PCI_MAPREG_START || -#if 0 - /* - * Can't do this check; some devices have mapping registers - * way out in left field. - */ - reg >= PCI_MAPREG_END || -#endif - (reg & 3)) - rtems_panic("pci_io_find: bad request"); - - /* - * Section 6.2.5.1, `Address Maps', tells us that: - * - * 1) The builtin software should have already mapped the device in a - * reasonable way. - * - * 2) A device which wants 2^n bytes of memory will hardwire the bottom - * n bits of the address to 0. As recommended, we write all 1s and see - * what we get back. - */ - pci_read_config_dword(b,d,f,reg, &address); - if ( !(address & PCI_MAPREG_TYPE_IO)) return(1); - pci_write_config_dword(b,d,f,reg, 0xffffffff); - pci_read_config_dword(b,d,f,reg,&mask); - pci_write_config_dword(b,d,f,reg, address); - - if ( (*sizep = PCI_MAPREG_IO_SIZE(mask))== 0) { - printk("pci_io_find: void region\n"); - return(1); - } - *basep = PCI_MAPREG_IO_ADDR(address); - return(0); -} - -int pci_mem_find(int b, int d, int f, int reg, unsigned *basep,unsigned *sizep) -{ - uint32_t address, mask; - - if (reg < PCI_MAPREG_START || -#if 0 - /* - * Can't do this check; some devices have mapping registers - * way out in left field. - */ - reg >= PCI_MAPREG_END || -#endif - (reg & 3)) - rtems_panic("pci_mem_find: bad request"); - - pci_read_config_dword(b,d,f,reg, &address); - if (address & PCI_MAPREG_TYPE_IO) { - printk("pci_mem_find: expected type mem, found I/O\n"); - return(1); - } - - /* - * Section 6.2.5.1, `Address Maps', tells us that: - * - * 1) The builtin software should have already mapped the device in a - * reasonable way. - * - * 2) A device which wants 2^n bytes of memory will hardwire the bottom - * n bits of the address to 0. As recommended, we write all 1s and see - * what we get back. - */ - pci_write_config_dword(b,d,f,reg, 0xffffffff); - pci_read_config_dword(b,d,f,reg,&mask); - pci_write_config_dword(b,d,f,reg, address); - if ( (*sizep = PCI_MAPREG_MEM_SIZE(mask))== 0) { - printk("pci_io_find: void region\n"); - return (1); - } - *basep = PCI_MAPREG_MEM_ADDR(address); - return(0); -} - -int pci_get_capability(int b, int d, int f, int capid,int *offset,uint32_t *value) -{ - uint32_t reg, ofs; - - /* i82544EI PCI_CAPLISTPTR_REG */ - pci_read_config_dword(b,d,f,PCI_CAPLISTPTR_REG, ®); - ofs = PCI_CAPLIST_PTR(reg); - while (ofs != 0) { -#ifdef DIAGNOSTIC - if ((ofs & 3) || (ofs < 0x40)) - panic("pci_get_capability"); -#endif - pci_read_config_dword(b,d,f,ofs, ®); - if (PCI_CAPLIST_CAP(reg) == capid) { - if (offset) - *offset = ofs; - if (value) - *value = reg; - return (1); - } - ofs = PCI_CAPLIST_NEXT(reg); - } - return (0); -} |