[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/arm/mach-ixp4xx/dsmg600-pci.c b/src/kernel/linux/v4.14/arch/arm/mach-ixp4xx/dsmg600-pci.c
new file mode 100644
index 0000000..8dca769
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/arm/mach-ixp4xx/dsmg600-pci.c
@@ -0,0 +1,79 @@
+/*
+ * DSM-G600 board-level PCI initialization
+ *
+ * Copyright (C) 2006 Tower Technologies
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * based on ixdp425-pci.c:
+ * Copyright (C) 2002 Intel Corporation.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Maintainer: http://www.nslu2-linux.org/
+ *
+ * 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/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/mach/pci.h>
+#include <asm/mach-types.h>
+
+#define MAX_DEV 4
+#define IRQ_LINES 3
+
+/* PCI controller GPIO to IRQ pin mappings */
+#define INTA 11
+#define INTB 10
+#define INTC 9
+#define INTD 8
+#define INTE 7
+#define INTF 6
+
+void __init dsmg600_pci_preinit(void)
+{
+ irq_set_irq_type(IXP4XX_GPIO_IRQ(INTA), IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(IXP4XX_GPIO_IRQ(INTB), IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(IXP4XX_GPIO_IRQ(INTC), IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(IXP4XX_GPIO_IRQ(INTD), IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(IXP4XX_GPIO_IRQ(INTE), IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(IXP4XX_GPIO_IRQ(INTF), IRQ_TYPE_LEVEL_LOW);
+ ixp4xx_pci_preinit();
+}
+
+static int __init dsmg600_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ static int pci_irq_table[MAX_DEV][IRQ_LINES] = {
+ { IXP4XX_GPIO_IRQ(INTE), -1, -1 },
+ { IXP4XX_GPIO_IRQ(INTA), -1, -1 },
+ { IXP4XX_GPIO_IRQ(INTB), IXP4XX_GPIO_IRQ(INTC),
+ IXP4XX_GPIO_IRQ(INTD) },
+ { IXP4XX_GPIO_IRQ(INTF), -1, -1 },
+ };
+
+ if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES)
+ return pci_irq_table[slot - 1][pin - 1];
+
+ return -1;
+}
+
+struct hw_pci __initdata dsmg600_pci = {
+ .nr_controllers = 1,
+ .ops = &ixp4xx_ops,
+ .preinit = dsmg600_pci_preinit,
+ .setup = ixp4xx_setup,
+ .map_irq = dsmg600_map_irq,
+};
+
+int __init dsmg600_pci_init(void)
+{
+ if (machine_is_dsmg600())
+ pci_common_init(&dsmg600_pci);
+
+ return 0;
+}
+
+subsys_initcall(dsmg600_pci_init);