Add the PCI fixup for gdium. Signed-off-by: yajin <yajin@xxxxxxxxxxxxx> --- arch/mips/pci/Makefile | 1 + arch/mips/pci/fixup-gdium.c | 60 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 61 insertions(+), 0 deletions(-) create mode 100644 arch/mips/pci/fixup-gdium.c diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index c9209ca..95be72f 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_SOC_AU1550) += fixup-au1000.o ops-au1000.o obj-$(CONFIG_SOC_PNX8550) += fixup-pnx8550.o ops-pnx8550.o obj-$(CONFIG_LEMOTE_FULOONG2E) += fixup-fuloong2e.o ops-loongson2.o obj-$(CONFIG_LEMOTE_MACH2F) += fixup-lemote2f.o ops-loongson2.o +obj-$(CONFIG_DEXXON_GDIUM) += fixup-gdium.o ops-loongson2.o obj-$(CONFIG_MIPS_MALTA) += fixup-malta.o obj-$(CONFIG_PMC_MSP7120_GW) += fixup-pmcmsp.o ops-pmcmsp.o obj-$(CONFIG_PMC_MSP7120_EVAL) += fixup-pmcmsp.o ops-pmcmsp.o diff --git a/arch/mips/pci/fixup-gdium.c b/arch/mips/pci/fixup-gdium.c new file mode 100644 index 0000000..f692ada --- /dev/null +++ b/arch/mips/pci/fixup-gdium.c @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2010 yajin <yajin@xxxxxxxxxxxxx> + * + * 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. + */ + +#include <linux/init.h> +#include <linux/pci.h> + +/* + * http://www.pcidatabase.com + * GDIUM has different PCI mapping + * slot 13 (0x1814/0x0301) -> RaLink rt2561 Wireless-G PCI + * slog 14 (0x126f/0x0501) -> sm501 + * slot 15 (0x1033/0x0035) -> NEC Dual OHCI controllers + * plus Single EHCI controller + * slot 16 (0x10ec/0x8139) -> Realtek 8139c + * slot 17 (0x1033/0x00e0) -> NEC USB 2.0 Host Controller + * + */ +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + switch (slot) { + case 13: + return LOONGSON_IRQ_BASE + ((pin - 1) & 3); + case 14: + return LOONGSON_IRQ_BASE + 4; /*36*/ + case 15: + return LOONGSON_IRQ_BASE + 5; /*37*/ + case 16: + return LOONGSON_IRQ_BASE + 7; /*39*/ + case 17: + return LOONGSON_IRQ_BASE + 6; /*38*/ + default: + printk(KERN_INFO " strange pci slot number %d " + "on gdium.\n", slot); + return 0; + } +} + +/* Fixups for the NEC USB host controllers */ +static void __init gdium_usb_host_fixup(struct pci_dev *dev) +{ + unsigned int val; + pci_read_config_dword(dev, 0xe0, &val); + pci_write_config_dword(dev, 0xe0, (val & ~3) | 0x3); +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB, + gdium_usb_host_fixup); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, 0x00e0, + gdium_usb_host_fixup); + +/* Do platform specific device initialization at pci_enable_device() time */ +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} -- 1.5.6.5
