Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-ixp4xx / wg302v2-pci.c

diff --git a/kernel/arch/arm/mach-ixp4xx/wg302v2-pci.c b/kernel/arch/arm/mach-ixp4xx/wg302v2-pci.c
new file mode 100644 (file)
index 0000000..c92e5b8
--- /dev/null
+++ b/kernel/arch/arm/mach-ixp4xx/wg302v2-pci.c
@@ -0,0 +1,62 @@
+/*
+ * arch/arch/mach-ixp4xx/wg302v2-pci.c
+ *
+ * PCI setup routines for the Netgear WG302 v2 and WAG302 v2
+ *
+ * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * based on coyote-pci.c:
+ *     Copyright (C) 2002 Jungo Software Technologies.
+ *     Copyright (C) 2003 MontaVista Software, Inc.
+ *
+ * Maintainer: Imre Kaloz <kaloz@openwrt.org>
+ *
+ * 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 <linux/irq.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+
+#include <asm/mach/pci.h>
+
+void __init wg302v2_pci_preinit(void)
+{
+       irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
+       irq_set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW);
+
+       ixp4xx_pci_preinit();
+}
+
+static int __init wg302v2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+       if (slot == 1)
+               return IRQ_IXP4XX_GPIO8;
+       else if (slot == 2)
+               return IRQ_IXP4XX_GPIO9;
+       else return -1;
+}
+
+struct hw_pci wg302v2_pci __initdata = {
+       .nr_controllers = 1,
+       .ops = &ixp4xx_ops,
+       .preinit =        wg302v2_pci_preinit,
+       .setup =          ixp4xx_setup,
+       .map_irq =        wg302v2_map_irq,
+};
+
+int __init wg302v2_pci_init(void)
+{
+       if (machine_is_wg302v2())
+               pci_common_init(&wg302v2_pci);
+       return 0;
+}
+
+subsys_initcall(wg302v2_pci_init);