1 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/ixdpg425-pci.c b/arch/arm/mach-ixp4xx/ixdpg425-pci.c
new file mode 100644
index 000000000..1cbea6589
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/ixdpg425-pci.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/mach-ixp4xx/ixdpg425-pci.c
+ *
+ * PCI setup routines for Intel IXDPG425 Platform
+ *
+ * Copyright (C) 2004 MontaVista Softwrae, Inc.
+ *
+ * Maintainer: Deepak Saxena <dsaxena@plexity.net>
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+
+#include <asm/mach/pci.h>
+
+#include "irqs.h"
+
+void __init ixdpg425_pci_preinit(void)
+{
+	irq_set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW);
+	irq_set_irq_type(IRQ_IXP4XX_GPIO7, IRQ_TYPE_LEVEL_LOW);
+
+	ixp4xx_pci_preinit();
+}
+
+static int __init ixdpg425_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (slot == 12 || slot == 13)
+		return IRQ_IXP4XX_GPIO7;
+	else if (slot == 14)
+		return IRQ_IXP4XX_GPIO6;
+	else return -1;
+}
+
+struct hw_pci ixdpg425_pci __initdata = {
+	.nr_controllers = 1,
+	.ops		= &ixp4xx_ops,
+	.preinit =        ixdpg425_pci_preinit,
+	.setup =          ixp4xx_setup,
+	.map_irq =        ixdpg425_map_irq,
+};
+
+int __init ixdpg425_pci_init(void)
+{
+	if (machine_is_ixdpg425())
+		pci_common_init(&ixdpg425_pci);
+	return 0;
+}
+
+subsys_initcall(ixdpg425_pci_init);