[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>

2 files changed, 38 insertions, 0 deletions

diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 16205b587338..fb50d410773b 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -57,3 +57,4 @@ obj-$(CONFIG_TOSHIBA_RBTX4927)	+= fixup-rbtx4927.o ops-tx4927.o
 obj-$(CONFIG_TOSHIBA_RBTX4938)  += fixup-tx4938.o ops-tx4938.o
 obj-$(CONFIG_VICTOR_MPC30X)     += fixup-mpc30x.o
 obj-$(CONFIG_ZAO_CAPCELLA)      += fixup-capcella.o
+obj-$(CONFIG_WR_PPMC)           += fixup-wrppmc.o
diff --git a/arch/mips/pci/fixup-wrppmc.c b/arch/mips/pci/fixup-wrppmc.c
new file mode 100644
index 000000000000..3357c1300bb1
--- /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;
+}