From daad093c40a01efae901ed32480f2c6c8098a27c Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Tue, 12 Apr 2005 16:46:57 +0000 Subject: [PATCH] Now obsolete. :) --- src/core/pci_legacy.c | 195 ------------------------------------------ 1 file changed, 195 deletions(-) delete mode 100644 src/core/pci_legacy.c diff --git a/src/core/pci_legacy.c b/src/core/pci_legacy.c deleted file mode 100644 index 56237d3e..00000000 --- a/src/core/pci_legacy.c +++ /dev/null @@ -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 */