Now obsolete. :)

src/core/pci_legacy.c

@@ -1,195 +0,0 @@
-#ifdef CONFIG_PCI
-
-/*
- * 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, or (at
- * your option) any later version.
- */
-
-#include "etherboot.h"
-#include "pci.h"
-
-/*#define	DEBUG	1*/
-
-static void scan_drivers(
-	int type, 
-	uint32_t class, uint16_t vendor, uint16_t device,
-	const struct pci_driver *last_driver, struct pci_device *dev)
-{
-	const struct pci_driver *skip_driver = last_driver;
-	/* Assume there is only one match of the correct type */
-	const struct pci_driver *driver;
-	
-	for(driver = pci_drivers; driver < pci_drivers_end; driver++) {
-		int i;
-		if (driver->type != type)
-			continue;
-		if (skip_driver) {
-			if (skip_driver == driver)
-				skip_driver = 0;
-			continue;
-		}
-		for(i = 0; i < driver->id_count; i++) {
-			if ((vendor == driver->ids[i].vendor) &&
-				(device == driver->ids[i].dev_id)) {
-
-				dev->driver = driver;
-				dev->name   = driver->ids[i].name;
-
-				goto out;
-			}
-		}
-	}
-	if (!class) {
-		goto out;
-	}
-	for(driver = pci_drivers; driver < pci_drivers_end; driver++) {
-		if (driver->type != type)
-			continue;
-		if (skip_driver) {
-			if (skip_driver == driver)
-				skip_driver = 0;
-			continue;
-		}
-		if (last_driver == driver)
-			continue;
-		if ((class >> 8) == driver->class) {
-			dev->driver = driver;
-			dev->name   = driver->name;
-			goto out;
-		}
-	}
- out:
-	return;
-}
-
-void scan_pci_bus(int type, struct pci_device *dev)
-{
-	unsigned int first_bus, first_devfn;
-	const struct pci_driver *first_driver;
-	unsigned int devfn, bus, buses;
-	unsigned char hdr_type = 0;
-	uint32_t class;
-	uint16_t vendor, device;
-	uint32_t l, membase, ioaddr, romaddr;
-	uint8_t irq;
-	int reg;
-
-	first_bus    = 0;
-	first_devfn  = 0;
-	first_driver = 0;
-	if (dev->driver || dev->use_specified) {
-		first_driver = dev->driver;
-		first_bus    = dev->bus;
-		first_devfn  = dev->devfn;
-		/* Re read the header type on a restart */
-		pcibios_read_config_byte(first_bus, first_devfn & ~0x7, 
-			PCI_HEADER_TYPE, &hdr_type);
-		dev->driver  = 0;
-		dev->bus     = 0;
-		dev->devfn   = 0;
-	}
-		
-	/* Scan all PCI buses, until we find our card.
-	 * We could be smart only scan the required buses but that
-	 * is error prone, and tricky.
-	 * By scanning all possible pci buses in order we should find
-	 * our card eventually. 
-	 */
-	buses=256;
-	for (bus = first_bus; bus < buses; ++bus) {
-		for (devfn = first_devfn; devfn < 0xff; ++devfn, first_driver = 0) {
-			if (PCI_FUNC (devfn) == 0)
-				pcibios_read_config_byte(bus, devfn, PCI_HEADER_TYPE, &hdr_type);
-			else if (!(hdr_type & 0x80))	/* not a multi-function device */
-				continue;
-			pcibios_read_config_dword(bus, devfn, PCI_VENDOR_ID, &l);
-			/* some broken boards return 0 if a slot is empty: */
-			if (l == 0xffffffff || l == 0x00000000) {
-				continue;
-			}
-			vendor = l & 0xffff;
-			device = (l >> 16) & 0xffff;
-
-			pcibios_read_config_dword(bus, devfn, PCI_REVISION, &l);
-			class = (l >> 8) & 0xffffff;
-#if	DEBUG
-		{
-			int i;
-			printf("%hhx:%hhx.%hhx [%hX/%hX] Class %hX\n",
-				bus, PCI_SLOT(devfn), PCI_FUNC(devfn),
-				vendor, device, class >> 8);
-#if	DEBUG > 1
-			for(i = 0; i < 256; i++) {
-				unsigned char byte;
-				if ((i & 0xf) == 0) {
-					printf("%hhx: ", i);
-				}
-				pcibios_read_config_byte(bus, devfn, i, &byte);
-				printf("%hhx ", byte);
-				if ((i & 0xf) == 0xf) {
-					printf("\n");
-				}
-			}
-#endif
-
-		}
-#endif
-			scan_drivers(type, class, vendor, device, first_driver, dev);
-			if (!dev->driver)
-				continue;
-
-			dev->devfn = devfn;
-			dev->bus = bus;
-			dev->class = class;
-			dev->vendor = vendor;
-			dev->dev_id = device;
-			
-			
-			/* Get the ROM base address */
-			pcibios_read_config_dword(bus, devfn, 
-				PCI_ROM_ADDRESS, &romaddr);
-			romaddr >>= 10;
-			dev->romaddr = romaddr;
-			
-			/* Get the ``membase'' */
-			pcibios_read_config_dword(bus, devfn,
-				PCI_BASE_ADDRESS_1, &membase);
-			dev->membase = membase;
-				
-			/* Get the ``ioaddr'' */
-			for (reg = PCI_BASE_ADDRESS_0; reg <= PCI_BASE_ADDRESS_5; reg += 4) {
-				pcibios_read_config_dword(bus, devfn, reg, &ioaddr);
-				if ((ioaddr & PCI_BASE_ADDRESS_IO_MASK) == 0 || (ioaddr & PCI_BASE_ADDRESS_SPACE_IO) == 0)
-					continue;
-				
-				
-				/* Strip the I/O address out of the returned value */
-				ioaddr &= PCI_BASE_ADDRESS_IO_MASK;
-				
-				/* Take the first one or the one that matches in boot ROM address */
-				dev->ioaddr = ioaddr;
-			}
-
-			/* Get the irq */
-			pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &irq);
-			if (irq) {
-				pci_read_config_byte(dev, PCI_INTERRUPT_LINE,
-						     &irq);
-			}
-			dev->irq = irq;
-
-#if DEBUG > 2
-			printf("Found %s ROM address %#hx\n",
-				dev->name, romaddr);
-#endif
-			return;
-		}
-		first_devfn = 0;
-	}
-	first_bus = 0;
-}
-
-
-#endif /* CONFIG_PCI */