Initial commit: OpenHarmony-v4.0-ReleaseOpenHarmony-v4.0-Release

1 files changed, 38 insertions, 0 deletions

diff --git a/arch/mips/pci/fixup-tb0219.c b/arch/mips/pci/fixup-tb0219.c
new file mode 100644
index 000000000..439429985
--- /dev/null
+++ b/arch/mips/pci/fixup-tb0219.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *  fixup-tb0219.c, The TANBAC TB0219 specific PCI fixups.
+ *
+ *  Copyright (C) 2003  Megasolution Inc. <matsu@megasolution.jp>
+ *  Copyright (C) 2004-2005  Yoichi Yuasa <yuasa@linux-mips.org>
+ */
+#include <linux/init.h>
+#include <linux/pci.h>
+
+#include <asm/vr41xx/tb0219.h>
+
+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+        int irq = -1;
+
+        switch (slot) {
+        case 12:
+                irq = TB0219_PCI_SLOT1_IRQ;
+                break;
+        case 13:
+                irq = TB0219_PCI_SLOT2_IRQ;
+                break;
+        case 14:
+                irq = TB0219_PCI_SLOT3_IRQ;
+                break;
+        default:
+                break;
+        }
+
+        return irq;
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+        return 0;
+}