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-rw-r--r--cpu/mpc824x/pci.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/cpu/mpc824x/pci.c b/cpu/mpc824x/pci.c
new file mode 100644
index 0000000..7e3c4c3
--- /dev/null
+++ b/cpu/mpc824x/pci.c
@@ -0,0 +1,78 @@
+/*
+ * arch/ppc/kernel/mpc10x_common.c
+ *
+ * Common routines for the Motorola SPS MPC106, MPC107 and MPC8240 Host bridge,
+ * Mem ctlr, EPIC, etc.
+ *
+ * Author: Mark A. Greer
+ * mgreer@mvista.com
+ *
+ * Copyright 2001 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_PCI
+
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <pci.h>
+#include <mpc824x.h>
+
+void pci_mpc824x_init (struct pci_controller *hose)
+{
+ hose->first_busno = 0;
+ hose->last_busno = 0xff;
+
+ /* System memory space */
+ pci_set_region(hose->regions + 0,
+ CHRP_PCI_MEMORY_BUS,
+ CHRP_PCI_MEMORY_PHYS,
+ CHRP_PCI_MEMORY_SIZE,
+ PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+ /* PCI memory space */
+ pci_set_region(hose->regions + 1,
+ CHRP_PCI_MEM_BUS,
+ CHRP_PCI_MEM_PHYS,
+ CHRP_PCI_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* ISA/PCI memory space */
+ pci_set_region(hose->regions + 2,
+ CHRP_ISA_MEM_BUS,
+ CHRP_ISA_MEM_PHYS,
+ CHRP_ISA_MEM_SIZE,
+ PCI_REGION_MEM);
+
+ /* PCI I/O space */
+ pci_set_region(hose->regions + 3,
+ CHRP_PCI_IO_BUS,
+ CHRP_PCI_IO_PHYS,
+ CHRP_PCI_IO_SIZE,
+ PCI_REGION_IO);
+
+ /* ISA/PCI I/O space */
+ pci_set_region(hose->regions + 4,
+ CHRP_ISA_IO_BUS,
+ CHRP_ISA_IO_PHYS,
+ CHRP_ISA_IO_SIZE,
+ PCI_REGION_IO);
+
+ hose->region_count = 5;
+
+ pci_setup_indirect(hose,
+ CHRP_REG_ADDR,
+ CHRP_REG_DATA);
+
+ pci_register_hose(hose);
+
+ hose->last_busno = pci_hose_scan(hose);
+}
+
+#endif