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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/mach-ixp4xx/ixdpg425-pci.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--arch/arm/mach-ixp4xx/ixdpg425-pci.c58
1 files changed, 58 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..1f8717ba1
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/ixdpg425-pci.c
@@ -0,0 +1,58 @@
+/*
+ * 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>
+ *
+ * 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 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);