Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / sh / drivers / pci / fixups-sdk7780.c

diff --git a/kernel/arch/sh/drivers/pci/fixups-sdk7780.c b/kernel/arch/sh/drivers/pci/fixups-sdk7780.c
new file mode 100644 (file)
index 0000000..c0a015a
--- /dev/null
+++ b/kernel/arch/sh/drivers/pci/fixups-sdk7780.c
@@ -0,0 +1,43 @@
+/*
+ * arch/sh/drivers/pci/fixups-sdk7780.c
+ *
+ * PCI fixups for the SDK7780SE03
+ *
+ * Copyright (C) 2003  Lineo uSolutions, Inc.
+ * Copyright (C) 2004 - 2006  Paul Mundt
+ * Copyright (C) 2006  Nobuhiro Iwamatsu
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <linux/sh_intc.h>
+#include "pci-sh4.h"
+
+#define IRQ_INTA       evt2irq(0xa20)
+#define IRQ_INTB       evt2irq(0xa40)
+#define IRQ_INTC       evt2irq(0xa60)
+#define IRQ_INTD       evt2irq(0xa80)
+
+/* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */
+static char sdk7780_irq_tab[4][16] __initdata = {
+       /* INTA */
+       { IRQ_INTA, IRQ_INTD, IRQ_INTC, IRQ_INTD, -1, -1, -1, -1, -1, -1,
+         -1, -1, -1, -1, -1, -1 },
+       /* INTB */
+       { IRQ_INTB, IRQ_INTA, -1, IRQ_INTA, -1, -1, -1, -1, -1, -1, -1, -1,
+         -1, -1, -1, -1 },
+       /* INTC */
+       { IRQ_INTC, IRQ_INTB, -1, IRQ_INTB, -1, -1, -1, -1, -1, -1, -1, -1,
+         -1, -1, -1, -1 },
+       /* INTD */
+       { IRQ_INTD, IRQ_INTC, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+         -1, -1, -1 },
+};
+
+int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
+{
+       return sdk7780_irq_tab[pin-1][slot];
+}