diff options
Diffstat (limited to 'target/linux/adm5120-2.6/files/arch/mips/pci/fixup-adm5120.c')
| -rw-r--r-- | target/linux/adm5120-2.6/files/arch/mips/pci/fixup-adm5120.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/target/linux/adm5120-2.6/files/arch/mips/pci/fixup-adm5120.c b/target/linux/adm5120-2.6/files/arch/mips/pci/fixup-adm5120.c new file mode 100644 index 0000000000..9f65e350ad --- /dev/null +++ b/target/linux/adm5120-2.6/files/arch/mips/pci/fixup-adm5120.c @@ -0,0 +1,99 @@ +/* + * $Id$ + * + * ADM5120 specific PCI fixups + * + * Copyright (C) ADMtek Incorporated. + * Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org) + * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu> + * Copyright (C) 2007 OpenWrt.org + * + * 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 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#include <linux/autoconf.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/pci_ids.h> +#include <linux/pci_regs.h> + +#include <asm/delay.h> +#include <asm/bootinfo.h> + +#include <asm/mach-adm5120/adm5120_info.h> +#include <asm/mach-adm5120/adm5120_defs.h> +#include <asm/mach-adm5120/adm5120_irq.h> + +static void adm5120_pci_fixup(struct pci_dev *dev) +{ + if (dev->devfn !=0) + return; + + /* setup COMMAND register */ + pci_write_config_word(dev, PCI_COMMAND, + (PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER)); + + /* setup CACHE_LINE_SIZE register */ + pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 4); + + /* setting up BARS */ + pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0); + pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0); +} + +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ADMTEK, PCI_DEVICE_ID_ADMTEK_ADM5120, + adm5120_pci_fixup); + + +int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + int irq; + + irq = -1; +#if 1 + /* FIXME: this code should be working on all boards? */ + if (slot > 0 && slot < 4) + irq = ADM5120_IRQ_PCI0+slot-1; +#else + switch (mips_machtype) { + case MACH_ADM5120_RB_111: + case MACH_ADM5120_RB_112: + case MACH_ADM5120_RB_133: + case MACH_ADM5120_RB_133C: + case MACH_ADM5120_RB_153: + if (slot > 0 && slot < 4) + irq = ADM5120_IRQ_PCI0+slot-1; + break; + default: + if (slot > 1 && slot < 5) + irq = ADM5120_IRQ_PCI0+slot-2; + break; + } +#endif + printk(KERN_INFO "PCI: mapping irq for device %s, slot:%u, pin:%u, " + "irq:%d\n", pci_name(dev), slot, pin, irq); + + return irq; +} + +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} + |