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

1 files changed, 73 insertions, 0 deletions

diff --git a/arch/mips/pci/fixup-tb0226.c b/arch/mips/pci/fixup-tb0226.c
new file mode 100644
index 000000000..a4d1efadf
--- /dev/null
+++ b/arch/mips/pci/fixup-tb0226.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *  fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups.
+ *
+ *  Copyright (C) 2002-2005  Yoichi Yuasa <yuasa@linux-mips.org>
+ */
+#include <linux/init.h>
+#include <linux/pci.h>
+
+#include <asm/vr41xx/giu.h>
+#include <asm/vr41xx/tb0226.h>
+
+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+        int irq = -1;
+
+        switch (slot) {
+        case 12:
+                vr41xx_set_irq_trigger(GD82559_1_PIN,
+                                       IRQ_TRIGGER_LEVEL,
+                                       IRQ_SIGNAL_THROUGH);
+                vr41xx_set_irq_level(GD82559_1_PIN, IRQ_LEVEL_LOW);
+                irq = GD82559_1_IRQ;
+                break;
+        case 13:
+                vr41xx_set_irq_trigger(GD82559_2_PIN,
+                                       IRQ_TRIGGER_LEVEL,
+                                       IRQ_SIGNAL_THROUGH);
+                vr41xx_set_irq_level(GD82559_2_PIN, IRQ_LEVEL_LOW);
+                irq = GD82559_2_IRQ;
+                break;
+        case 14:
+                switch (pin) {
+                case 1:
+                        vr41xx_set_irq_trigger(UPD720100_INTA_PIN,
+                                               IRQ_TRIGGER_LEVEL,
+                                               IRQ_SIGNAL_THROUGH);
+                        vr41xx_set_irq_level(UPD720100_INTA_PIN,
+                                             IRQ_LEVEL_LOW);
+                        irq = UPD720100_INTA_IRQ;
+                        break;
+                case 2:
+                        vr41xx_set_irq_trigger(UPD720100_INTB_PIN,
+                                               IRQ_TRIGGER_LEVEL,
+                                               IRQ_SIGNAL_THROUGH);
+                        vr41xx_set_irq_level(UPD720100_INTB_PIN,
+                                             IRQ_LEVEL_LOW);
+                        irq = UPD720100_INTB_IRQ;
+                        break;
+                case 3:
+                        vr41xx_set_irq_trigger(UPD720100_INTC_PIN,
+                                               IRQ_TRIGGER_LEVEL,
+                                               IRQ_SIGNAL_THROUGH);
+                        vr41xx_set_irq_level(UPD720100_INTC_PIN,
+                                             IRQ_LEVEL_LOW);
+                        irq = UPD720100_INTC_IRQ;
+                        break;
+                default:
+                        break;
+                }
+                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;
+}