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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/sh/drivers/pci/fixups-titan.c
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/drivers/pci/fixups-titan.c')
-rw-r--r--arch/sh/drivers/pci/fixups-titan.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/sh/drivers/pci/fixups-titan.c b/arch/sh/drivers/pci/fixups-titan.c
new file mode 100644
index 000000000..a9d563e47
--- /dev/null
+++ b/arch/sh/drivers/pci/fixups-titan.c
@@ -0,0 +1,38 @@
+/*
+ * arch/sh/drivers/pci/ops-titan.c
+ *
+ * Ported to new API by Paul Mundt <lethal@linux-sh.org>
+ *
+ * Modified from ops-snapgear.c written by David McCullough
+ * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License. See linux/COPYING for more information.
+ *
+ * PCI initialization for the Titan boards
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <mach/titan.h>
+#include "pci-sh4.h"
+
+static char titan_irq_tab[] = {
+ TITAN_IRQ_WAN,
+ TITAN_IRQ_LAN,
+ TITAN_IRQ_MPCIA,
+ TITAN_IRQ_MPCIB,
+ TITAN_IRQ_USB,
+};
+
+int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
+{
+ int irq = titan_irq_tab[slot];
+
+ printk("PCI: Mapping TITAN IRQ for slot %d, pin %c to irq %d\n",
+ slot, pin - 1 + 'A', irq);
+
+ return irq;
+}