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Diffstat (limited to 'kernel/arch/arm/mach-ixp4xx/gateway7001-pci.c')
-rw-r--r--kernel/arch/arm/mach-ixp4xx/gateway7001-pci.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-ixp4xx/gateway7001-pci.c b/kernel/arch/arm/mach-ixp4xx/gateway7001-pci.c
new file mode 100644
index 000000000..d9d6cc089
--- /dev/null
+++ b/kernel/arch/arm/mach-ixp4xx/gateway7001-pci.c
@@ -0,0 +1,63 @@
+/*
+ * arch/arch/mach-ixp4xx/gateway7001-pci.c
+ *
+ * PCI setup routines for Gateway 7001
+ *
+ * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * based on coyote-pci.c:
+ * Copyright (C) 2002 Jungo Software Technologies.
+ * Copyright (C) 2003 MontaVista Softwrae, 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 gateway7001_pci_preinit(void)
+{
+ irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
+
+ ixp4xx_pci_preinit();
+}
+
+static int __init gateway7001_map_irq(const struct pci_dev *dev, u8 slot,
+ u8 pin)
+{
+ if (slot == 1)
+ return IRQ_IXP4XX_GPIO11;
+ else if (slot == 2)
+ return IRQ_IXP4XX_GPIO10;
+ else return -1;
+}
+
+struct hw_pci gateway7001_pci __initdata = {
+ .nr_controllers = 1,
+ .ops = &ixp4xx_ops,
+ .preinit = gateway7001_pci_preinit,
+ .setup = ixp4xx_setup,
+ .map_irq = gateway7001_map_irq,
+};
+
+int __init gateway7001_pci_init(void)
+{
+ if (machine_is_gateway7001())
+ pci_common_init(&gateway7001_pci);
+ return 0;
+}
+
+subsys_initcall(gateway7001_pci_init);