diff options
Diffstat (limited to 'arch/x86/lib/pci.c')
| -rw-r--r-- | arch/x86/lib/pci.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/arch/x86/lib/pci.c b/arch/x86/lib/pci.c deleted file mode 100644 index 71878dd7d..000000000 --- a/arch/x86/lib/pci.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <pci.h> -#include <asm/io.h> -#include <asm/pci.h> - -#undef PCI_ROM_SCAN_VERBOSE - -int pci_shadow_rom(pci_dev_t dev, unsigned char *dest) -{ - struct pci_controller *hose; - int res = -1; - int i; - - u32 rom_addr; - u32 addr_reg; - u32 size; - - u16 vendor; - u16 device; - u32 class_code; - - u32 pci_data; - - hose = pci_bus_to_hose(PCI_BUS(dev)); - - debug("pci_shadow_rom() asked to shadow device %x to %x\n", - dev, (u32)dest); - - pci_read_config_word(dev, PCI_VENDOR_ID, &vendor); - pci_read_config_word(dev, PCI_DEVICE_ID, &device); - pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_code); - - class_code &= 0xffffff00; - class_code >>= 8; - - debug("PCI Header Vendor %04x device %04x class %06x\n", - vendor, device, class_code); - - /* Enable the rom addess decoder */ - pci_write_config_dword(dev, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK); - pci_read_config_dword(dev, PCI_ROM_ADDRESS, &addr_reg); - - if (!addr_reg) { - /* register unimplemented */ - printf("pci_chadow_rom: device do not seem to have a rom\n"); - return -1; - } - - size = (~(addr_reg&PCI_ROM_ADDRESS_MASK)) + 1; - - debug("ROM is %d bytes\n", size); - - rom_addr = pci_get_rom_window(hose, size); - - debug("ROM mapped at %x\n", rom_addr); - - pci_write_config_dword(dev, PCI_ROM_ADDRESS, - pci_phys_to_mem(dev, rom_addr) - |PCI_ROM_ADDRESS_ENABLE); - - - for (i = rom_addr; i < rom_addr + size; i += 512) { - if (readw(i) == 0xaa55) { -#ifdef PCI_ROM_SCAN_VERBOSE - printf("ROM signature found\n"); -#endif - pci_data = readw(0x18 + i); - pci_data += i; - - if (0 == memcmp((void *)pci_data, "PCIR", 4)) { -#ifdef PCI_ROM_SCAN_VERBOSE - printf("Fount PCI rom image at offset %d\n", - i - rom_addr); - printf("Vendor %04x device %04x class %06x\n", - readw(pci_data + 4), readw(pci_data + 6), - readl(pci_data + 0x0d) & 0xffffff); - printf("%s\n", - (readw(pci_data + 0x15) & 0x80) ? - "Last image" : "More images follow"); - switch (readb(pci_data + 0x14)) { - case 0: - printf("X86 code\n"); - break; - case 1: - printf("Openfirmware code\n"); - break; - case 2: - printf("PARISC code\n"); - break; - } - printf("Image size %d\n", - readw(pci_data + 0x10) * 512); -#endif - /* - * FixMe: I think we should compare the class - * code bytes as well but I have no reference - * on the exact order of these bytes in the PCI - * ROM header - */ - if (readw(pci_data + 4) == vendor && - readw(pci_data + 6) == device && - readb(pci_data + 0x14) == 0) { -#ifdef PCI_ROM_SCAN_VERBOSE - printf("Suitable ROM image found\n"); -#endif - memmove(dest, (void *)rom_addr, - readw(pci_data + 0x10) * 512); - res = 0; - break; - - } - - if (readw(pci_data + 0x15) & 0x80) - break; - } - } - - } - -#ifdef PCI_ROM_SCAN_VERBOSE - if (res) - printf("No suitable image found\n"); -#endif - /* disable PAR register and PCI device ROM address devocer */ - pci_remove_rom_window(hose, rom_addr); - - pci_write_config_dword(dev, PCI_ROM_ADDRESS, 0); - - return res; -} - -#ifdef PCI_BIOS_DEBUG - -void print_bios_bios_stat(void) -{ - printf("16 bit functions:\n"); - printf("pci_bios_present: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_present)); - printf("pci_bios_find_device: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_find_device)); - printf("pci_bios_find_class: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_find_class)); - printf("pci_bios_generate_special_cycle: %d\n", - RELOC_16_LONG(0xf000, - num_pci_bios_generate_special_cycle)); - printf("pci_bios_read_cfg_byte: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_byte)); - printf("pci_bios_read_cfg_word: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_word)); - printf("pci_bios_read_cfg_dword: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_dword)); - printf("pci_bios_write_cfg_byte: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_byte)); - printf("pci_bios_write_cfg_word: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_word)); - printf("pci_bios_write_cfg_dword: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_dword)); - printf("pci_bios_get_irq_routing: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_get_irq_routing)); - printf("pci_bios_set_irq: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_set_irq)); - printf("pci_bios_unknown_function: %d\n", - RELOC_16_LONG(0xf000, num_pci_bios_unknown_function)); -} -#endif |