1 files changed, 77 insertions, 0 deletions

diff --git a/arch/ppc/platforms/pal4_pci.c b/arch/ppc/platforms/pal4_pci.c
new file mode 100644
index 00000000000..c3b1b757a48
--- /dev/null
+++ b/arch/ppc/platforms/pal4_pci.c
@@ -0,0 +1,77 @@
+/*
+ * arch/ppc/platforms/pal4_pci.c
+ *
+ * PCI support for SBS Palomar IV
+ *
+ * Author: Dan Cox
+ *
+ * 2002 (c) MontaVista, Software, Inc.  This file is licensed under
+ * the terms of the GNU General Public License version 2.  This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+
+#include <asm/byteorder.h>
+#include <asm/machdep.h>
+#include <asm/io.h>
+#include <asm/pci-bridge.h>
+#include <asm/uaccess.h>
+
+#include <syslib/cpc700.h>
+
+#include "pal4.h"
+
+/* not much to this.... */
+static inline int __init
+pal4_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
+{
+        if (idsel == 9)
+                return PAL4_ETH;
+        else
+                return PAL4_INTA + (idsel - 3);
+}
+
+void __init
+pal4_find_bridges(void)
+{
+        struct pci_controller *hose;
+
+        hose = pcibios_alloc_controller();
+        if (!hose)
+                return;
+
+        hose->first_busno = 0;
+        hose->last_busno = 0xff;
+        hose->pci_mem_offset = 0;
+
+        /* Could snatch these from the CPC700.... */
+        pci_init_resource(&hose->io_resource,
+                          0x0,
+                          0x03ffffff,
+                          IORESOURCE_IO,
+                          "PCI host bridge");
+
+        pci_init_resource(&hose->mem_resources[0],
+                          0x90000000,
+                          0x9fffffff,
+                          IORESOURCE_MEM,
+                          "PCI host bridge");
+
+        hose->io_space.start = 0x00800000;
+        hose->io_space.end = 0x03ffffff;
+        hose->mem_space.start = 0x90000000;
+        hose->mem_space.end = 0x9fffffff;
+        hose->io_base_virt = (void *) 0xf8000000;
+
+        setup_indirect_pci(hose, CPC700_PCI_CONFIG_ADDR,
+                           CPC700_PCI_CONFIG_DATA);
+
+        hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
+
+        ppc_md.pci_swizzle = common_swizzle;
+        ppc_md.pci_map_irq = pal4_map_irq;
+}