1 files changed, 66 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 000000000000..ce4563f00676
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/ixdpg425-pci.c
@@ -0,0 +1,66 @@
+/*
+ * arch/arch/mach-ixp4xx/ixdpg425-pci.c
+ *
+ * PCI setup routines for Intel IXDPG425 Platform
+ *
+ * Copyright (C) 2004 MontaVista Softwrae, Inc.
+ *
+ * Maintainer: Deepak Saxena <dsaxena@plexity.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware.h>
+#include <asm/irq.h>
+
+#include <asm/mach/pci.h>
+
+extern void ixp4xx_pci_preinit(void);
+extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
+extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
+
+void __init ixdpg425_pci_preinit(void)
+{
+        gpio_line_config(6, IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
+        gpio_line_config(7, IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
+
+        gpio_line_isr_clear(6);
+        gpio_line_isr_clear(7);
+
+        ixp4xx_pci_preinit();
+}
+
+static int __init ixdpg425_map_irq(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,
+        .preinit =        ixdpg425_pci_preinit,
+        .swizzle =        pci_std_swizzle,
+        .setup =          ixp4xx_setup,
+        .scan =           ixp4xx_scan_bus,
+        .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);