From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/arm/mach-shark/pci.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 arch/arm/mach-shark/pci.c

(limited to 'arch/arm/mach-shark/pci.c')

diff --git a/arch/arm/mach-shark/pci.c b/arch/arm/mach-shark/pci.c
new file mode 100644
index 00000000..6d91a914
--- /dev/null
+++ b/arch/arm/mach-shark/pci.c
@@ -0,0 +1,57 @@
+/*
+ *  linux/arch/arm/mach-shark/pci.c
+ *
+ *  PCI bios-type initialisation for PCI machines
+ *
+ *  Bits taken from various places.
+ */
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <video/vga.h>
+
+#include <asm/irq.h>
+#include <asm/mach/pci.h>
+#include <asm/mach-types.h>
+
+#define IO_START	0x40000000
+
+static int __init shark_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (dev->bus->number == 0)
+		if (dev->devfn == 0)
+			return 255;
+		else
+			return 11;
+	else
+		return 255;
+}
+
+extern void __init via82c505_preinit(void);
+
+static struct hw_pci shark_pci __initdata = {
+	.setup		= via82c505_setup,
+	.map_irq	= shark_map_irq,
+	.nr_controllers = 1,
+	.ops		= &via82c505_ops,
+	.preinit	= via82c505_preinit,
+};
+
+static int __init shark_pci_init(void)
+{
+	if (!machine_is_shark())
+		return -ENODEV;
+
+	pcibios_min_io = 0x6000;
+	pcibios_min_mem = 0x50000000;
+	vga_base = 0xe8000000;
+
+	pci_ioremap_io(0, IO_START);
+
+	pci_common_init(&shark_pci);
+
+	return 0;
+}
+
+subsys_initcall(shark_pci_init);
-- 
cgit v1.3.1