1 files changed, 67 insertions, 0 deletions

diff --git a/arch/mips/pci/pci-yosemite.c b/arch/mips/pci/pci-yosemite.c
new file mode 100644
index 00000000000..cf5e1a25cb7
--- /dev/null
+++ b/arch/mips/pci/pci-yosemite.c
@@ -0,0 +1,67 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <asm/titan_dep.h>
+
+extern struct pci_ops titan_pci_ops;
+
+static struct resource py_mem_resource = {
+        .start  = 0xe0000000UL,
+        .end    = 0xe3ffffffUL,
+        .name   = "Titan PCI MEM",
+        .flags  = IORESOURCE_MEM
+};
+
+/*
+ * PMON really reserves 16MB of I/O port space but that's stupid, nothing
+ * needs that much since allocations are limited to 256 bytes per device
+ * anyway.  So we just claim 64kB here.
+ */
+#define TITAN_IO_SIZE   0x0000ffffUL
+#define TITAN_IO_BASE   0xe8000000UL
+
+static struct resource py_io_resource = {
+        .start  = 0x00001000UL,
+        .end    = TITAN_IO_SIZE - 1,
+        .name   = "Titan IO MEM",
+        .flags  = IORESOURCE_IO,
+};
+
+static struct pci_controller py_controller = {
+        .pci_ops        = &titan_pci_ops,
+        .mem_resource   = &py_mem_resource,
+        .mem_offset     = 0x00000000UL,
+        .io_resource    = &py_io_resource,
+        .io_offset      = 0x00000000UL
+};
+
+static char ioremap_failed[] __initdata = "Could not ioremap I/O port range";
+
+static int __init pmc_yosemite_setup(void)
+{
+        unsigned long io_v_base;
+
+        io_v_base = (unsigned long) ioremap(TITAN_IO_BASE, TITAN_IO_SIZE);
+        if (!io_v_base)
+                panic(ioremap_failed);
+
+        set_io_port_base(io_v_base);
+        py_controller.io_map_base = io_v_base;
+        TITAN_WRITE(RM9000x2_OCD_LKM7, TITAN_READ(RM9000x2_OCD_LKM7) | 1);
+
+        ioport_resource.end = TITAN_IO_SIZE - 1;
+
+        register_pci_controller(&py_controller);
+
+        return 0;
+}
+
+arch_initcall(pmc_yosemite_setup);