[MIPS] Add back support for LASAT platforms
Signed-off-by: Brian Murphy <brian@murphy.dk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/pci/pci-lasat.c b/arch/mips/pci/pci-lasat.c
new file mode 100644
index 0000000..5abd5c7
--- /dev/null
+++ b/arch/mips/pci/pci-lasat.c
@@ -0,0 +1,91 @@
+/*
+ * 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) 2000, 2001, 04 Keith M Wesolowski
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/types.h>
+#include <asm/bootinfo.h>
+
+extern struct pci_ops nile4_pci_ops;
+extern struct pci_ops gt64xxx_pci0_ops;
+static struct resource lasat_pci_mem_resource = {
+ .name = "LASAT PCI MEM",
+ .start = 0x18000000,
+ .end = 0x19ffffff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct resource lasat_pci_io_resource = {
+ .name = "LASAT PCI IO",
+ .start = 0x1a000000,
+ .end = 0x1bffffff,
+ .flags = IORESOURCE_IO,
+};
+
+static struct pci_controller lasat_pci_controller = {
+ .mem_resource = &lasat_pci_mem_resource,
+ .io_resource = &lasat_pci_io_resource,
+};
+
+static int __init lasat_pci_setup(void)
+{
+ printk(KERN_DEBUG "PCI: starting\n");
+
+ switch (mips_machtype) {
+ case MACH_LASAT_100:
+ lasat_pci_controller.pci_ops = >64xxx_pci0_ops;
+ break;
+ case MACH_LASAT_200:
+ lasat_pci_controller.pci_ops = &nile4_pci_ops;
+ break;
+ default:
+ panic("pcibios_init: mips_machtype incorrect");
+ }
+
+ register_pci_controller(&lasat_pci_controller);
+
+ return 0;
+}
+
+arch_initcall(lasat_pci_setup);
+
+#define LASATINT_ETH1 0
+#define LASATINT_ETH0 1
+#define LASATINT_HDC 2
+#define LASATINT_COMP 3
+#define LASATINT_HDLC 4
+#define LASATINT_PCIA 5
+#define LASATINT_PCIB 6
+#define LASATINT_PCIC 7
+#define LASATINT_PCID 8
+
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ switch (slot) {
+ case 1:
+ case 2:
+ case 3:
+ return LASATINT_PCIA + (((slot-1) + (pin-1)) % 4);
+ case 4:
+ return LASATINT_ETH1; /* Ethernet 1 (LAN 2) */
+ case 5:
+ return LASATINT_ETH0; /* Ethernet 0 (LAN 1) */
+ case 6:
+ return LASATINT_HDC; /* IDE controller */
+ default:
+ return 0xff; /* Illegal */
+ }
+
+ return -1;
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ return 0;
+}