mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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d4e976a36f
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10455 3c298f89-4303-0410-b956-a3cf2f4a3e73
96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*
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<:copyright-gpl
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Copyright 2002 Broadcom Corp. All Rights Reserved.
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This program is free software; you can distribute it and/or modify it
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under the terms of the GNU General Public License (Version 2) as
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published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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:>
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*/
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/pci.h>
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#include <bcmpci.h>
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#include <bcm_intr.h>
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#include <bcm_map_part.h>
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#include <6348_intr.h>
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#include <6348_map_part.h>
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static volatile MpiRegisters * mpi = (MpiRegisters *)(MPI_BASE);
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static char irq_tab_bcm96348[] __initdata = {
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[0] = INTERRUPT_ID_MPI,
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[1] = INTERRUPT_ID_MPI,
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#if defined(CONFIG_USB)
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[USB_HOST_SLOT] = INTERRUPT_ID_USBH
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#endif
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};
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int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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{
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return irq_tab_bcm96348[slot];
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}
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static void bcm96348_fixup(struct pci_dev *dev)
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{
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uint32 memaddr;
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uint32 size;
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memaddr = pci_resource_start(dev, 0);
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size = pci_resource_len(dev, 0);
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switch (PCI_SLOT(dev->devfn)) {
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case 0:
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// UBUS to PCI address range
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// Memory Window 1. Mask determines which bits are decoded.
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mpi->l2pmrange1 = ~(size-1);
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// UBUS to PCI Memory base address. This is akin to the ChipSelect base
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// register.
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mpi->l2pmbase1 = memaddr & BCM_PCI_ADDR_MASK;
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// UBUS to PCI Remap Address. Replaces the masked address bits in the
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// range register with this setting.
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// Also, enable direct I/O and direct Memory accesses
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mpi->l2pmremap1 = (memaddr | MEM_WINDOW_EN);
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break;
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case 1:
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// Memory Window 2
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mpi->l2pmrange2 = ~(size-1);
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// UBUS to PCI Memory base address.
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mpi->l2pmbase2 = memaddr & BCM_PCI_ADDR_MASK;
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// UBUS to PCI Remap Address
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mpi->l2pmremap2 = (memaddr | MEM_WINDOW_EN);
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break;
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#if defined(CONFIG_USB)
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case USB_HOST_SLOT:
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dev->resource[0].start = USB_HOST_BASE;
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dev->resource[0].end = USB_HOST_BASE+USB_BAR0_MEM_SIZE-1;
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break;
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#endif
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}
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}
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int pcibios_plat_dev_init(struct pci_dev *dev)
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{
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return 0;
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}
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DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, PCI_ANY_ID,
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bcm96348_fixup);
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/*struct pci_fixup pcibios_fixups[] = {
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{ PCI_FIXUP_FINAL, PCI_ANY_ID, PCI_ANY_ID, bcm96348_fixup },
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{0}
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};*/
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