[MIPS] Wind River 4KC PPMC Eval Board Support

    
Support for the GT-64120-based Wind River 4KC PPMC Evaluation board.

Signed-off-by: Rongkai.Zhan <Rongkai.zhan@windriver.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/arch/mips/pci/fixup-wrppmc.c b/arch/mips/pci/fixup-wrppmc.c
new file mode 100644
index 00000000000..3357c1300bb
--- /dev/null
+++ b/arch/mips/pci/fixup-wrppmc.c
@@ -0,0 +1,37 @@
+/*
+ * fixup-wrppmc.c: PPMC board specific PCI fixup
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006, Wind River Inc. Rongkai.zhan (rongkai.zhan@windriver.com)
+ */
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <asm/gt64120.h>
+
+/* PCI interrupt pins */
+#define PCI_INTA		1
+#define PCI_INTB		2
+#define PCI_INTC		3
+#define PCI_INTD		4
+
+#define PCI_SLOT_MAXNR	32 /* Each PCI bus has 32 physical slots */
+
+static char pci_irq_tab[PCI_SLOT_MAXNR][5] __initdata = {
+	/* 0    INTA   INTB   INTC   INTD */
+	[0] = {0, 0, 0, 0, 0},		/* Slot 0: GT64120 PCI bridge */
+	[6] = {0, WRPPMC_PCI_INTA_IRQ, 0, 0, 0},
+};
+
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	return pci_irq_tab[slot][pin];
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+	return 0;
+}