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