Add the PCI fixup for gdium.
Signed-off-by: yajin <yajin@vm-kernel.org>
---
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@vm-kernel.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.
+ */
+
+#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
|