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Diffstat (limited to 'arch/mips/pci/fixup-ite8172g.c')
-rw-r--r--arch/mips/pci/fixup-ite8172g.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-ite8172g.c b/arch/mips/pci/fixup-ite8172g.c
new file mode 100644
index 000000000000..2290ea4228dd
--- /dev/null
+++ b/arch/mips/pci/fixup-ite8172g.c
@@ -0,0 +1,80 @@
+/*
+ * BRIEF MODULE DESCRIPTION
+ * Board specific pci fixups.
+ *
+ * Copyright 2000 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ * ppopov@mvista.com or source@mvista.com
+ *
+ * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * 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.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <asm/it8172/it8172.h>
+#include <asm/it8172/it8172_pci.h>
+#include <asm/it8172/it8172_int.h>
+
+/*
+ * Shortcuts
+ */
+#define INTA IT8172_PCI_INTA_IRQ
+#define INTB IT8172_PCI_INTB_IRQ
+#define INTC IT8172_PCI_INTC_IRQ
+#define INTD IT8172_PCI_INTD_IRQ
+
+static const int internal_func_irqs[7] __initdata = {
+ IT8172_AC97_IRQ,
+ IT8172_DMA_IRQ,
+ IT8172_CDMA_IRQ,
+ IT8172_USB_IRQ,
+ IT8172_BRIDGE_MASTER_IRQ,
+ IT8172_IDE_IRQ,
+ IT8172_MC68K_IRQ
+};
+
+static char irq_tab_ite8172g[][5] __initdata = {
+ [0x10] = { 0, INTA, INTB, INTC, INTD },
+ [0x11] = { 0, INTA, INTB, INTC, INTD },
+ [0x12] = { 0, INTB, INTC, INTD, INTA },
+ [0x13] = { 0, INTC, INTD, INTA, INTB },
+ [0x14] = { 0, INTD, INTA, INTB, INTC },
+};
+
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ /*
+ * Internal device 1 is actually 7 different internal devices on the
+ * IT8172G (a multifunction device).
+ */
+ if (slot == 1)
+ return internal_func_irqs[PCI_FUNC(dev->devfn)];
+
+ return irq_tab_ite8172g[slot][pin];
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ return 0;
+}