diff options
Diffstat (limited to 'arch/microblaze/kernel/prom_parse.c')
| -rw-r--r-- | arch/microblaze/kernel/prom_parse.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/arch/microblaze/kernel/prom_parse.c b/arch/microblaze/kernel/prom_parse.c index 99d9b61..47187cc 100644 --- a/arch/microblaze/kernel/prom_parse.c +++ b/arch/microblaze/kernel/prom_parse.c @@ -2,88 +2,11 @@ #include <linux/kernel.h> #include <linux/string.h> -#include <linux/pci_regs.h> #include <linux/module.h> #include <linux/ioport.h> #include <linux/etherdevice.h> #include <linux/of_address.h> #include <asm/prom.h> -#include <asm/pci-bridge.h> - -#ifdef CONFIG_PCI -int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) -{ - struct device_node *dn, *ppnode; - struct pci_dev *ppdev; - u32 lspec; - u32 laddr[3]; - u8 pin; - int rc; - - /* Check if we have a device node, if yes, fallback to standard OF - * parsing - */ - dn = pci_device_to_OF_node(pdev); - if (dn) - return of_irq_map_one(dn, 0, out_irq); - - /* Ok, we don't, time to have fun. Let's start by building up an - * interrupt spec. we assume #interrupt-cells is 1, which is standard - * for PCI. If you do different, then don't use that routine. - */ - rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin); - if (rc != 0) - return rc; - /* No pin, exit */ - if (pin == 0) - return -ENODEV; - - /* Now we walk up the PCI tree */ - lspec = pin; - for (;;) { - /* Get the pci_dev of our parent */ - ppdev = pdev->bus->self; - - /* Ouch, it's a host bridge... */ - if (ppdev == NULL) { - struct pci_controller *host; - host = pci_bus_to_host(pdev->bus); - ppnode = host ? host->dn : NULL; - /* No node for host bridge ? give up */ - if (ppnode == NULL) - return -EINVAL; - } else - /* We found a P2P bridge, check if it has a node */ - ppnode = pci_device_to_OF_node(ppdev); - - /* Ok, we have found a parent with a device-node, hand over to - * the OF parsing code. - * We build a unit address from the linux device to be used for - * resolution. Note that we use the linux bus number which may - * not match your firmware bus numbering. - * Fortunately, in most cases, interrupt-map-mask doesn't - * include the bus number as part of the matching. - * You should still be careful about that though if you intend - * to rely on this function (you ship a firmware that doesn't - * create device nodes for all PCI devices). - */ - if (ppnode) - break; - - /* We can only get here if we hit a P2P bridge with no node, - * let's do standard swizzling and try again - */ - lspec = pci_swizzle_interrupt_pin(pdev, lspec); - pdev = ppdev; - } - - laddr[0] = (pdev->bus->number << 16) - | (pdev->devfn << 8); - laddr[1] = laddr[2] = 0; - return of_irq_map_raw(ppnode, &lspec, 1, laddr, out_irq); -} -EXPORT_SYMBOL_GPL(of_irq_map_pci); -#endif /* CONFIG_PCI */ void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, unsigned long *busno, unsigned long *phys, unsigned long *size) @@ -110,41 +33,3 @@ void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, cells = prop ? *(u32 *)prop : of_n_size_cells(dn); *size = of_read_number(dma_window, cells); } - -/** - * Search the device tree for the best MAC address to use. 'mac-address' is - * checked first, because that is supposed to contain to "most recent" MAC - * address. If that isn't set, then 'local-mac-address' is checked next, - * because that is the default address. If that isn't set, then the obsolete - * 'address' is checked, just in case we're using an old device tree. - * - * Note that the 'address' property is supposed to contain a virtual address of - * the register set, but some DTS files have redefined that property to be the - * MAC address. - * - * All-zero MAC addresses are rejected, because those could be properties that - * exist in the device tree, but were not set by U-Boot. For example, the - * DTS could define 'mac-address' and 'local-mac-address', with zero MAC - * addresses. Some older U-Boots only initialized 'local-mac-address'. In - * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists - * but is all zeros. -*/ -const void *of_get_mac_address(struct device_node *np) -{ - struct property *pp; - - pp = of_find_property(np, "mac-address", NULL); - if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value)) - return pp->value; - - pp = of_find_property(np, "local-mac-address", NULL); - if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value)) - return pp->value; - - pp = of_find_property(np, "address", NULL); - if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value)) - return pp->value; - - return NULL; -} -EXPORT_SYMBOL(of_get_mac_address); |