mn10300: add the MN10300/AM33 architecture to the kernel

Add architecture support for the MN10300/AM33 CPUs produced by MEI to the
kernel.

This patch also adds board support for the ASB2303 with the ASB2308 daughter
board, and the ASB2305.  The only processor supported is the MN103E010, which
is an AM33v2 core plus on-chip devices.

[akpm@linux-foundation.org: nuke cvs control strings]
Signed-off-by: Masakazu Urade <urade.masakazu@jp.panasonic.com>
Signed-off-by: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.h b/arch/mn10300/unit-asb2305/pci-asb2305.h
new file mode 100644
index 000000000000..84634fa3bce6
--- /dev/null
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.h
@@ -0,0 +1,82 @@
+/* ASB2305 Arch-specific PCI declarations
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ * Derived from: arch/i386/kernel/pci-i386.h: (c) 1999 Martin Mares <mj@ucw.cz>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#ifndef _PCI_ASB2305_H
+#define _PCI_ASB2305_H
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define DBG(x...) printk(x)
+#else
+#define DBG(x...)
+#endif
+
+#define PCI_PROBE_BIOS 1
+#define PCI_PROBE_CONF1 2
+#define PCI_PROBE_CONF2 4
+#define PCI_NO_SORT 0x100
+#define PCI_BIOS_SORT 0x200
+#define PCI_NO_CHECKS 0x400
+#define PCI_ASSIGN_ROMS 0x1000
+#define PCI_BIOS_IRQ_SCAN 0x2000
+
+extern unsigned int pci_probe;
+
+/* pci-asb2305.c */
+
+extern unsigned int pcibios_max_latency;
+
+extern void pcibios_resource_survey(void);
+extern int pcibios_enable_resources(struct pci_dev *dev, int mask);
+
+/* pci.c */
+
+extern int pcibios_last_bus;
+extern struct pci_bus *pci_root_bus;
+extern struct pci_ops *pci_root_ops;
+
+extern struct irq_routing_table *pcibios_get_irq_routing_table(void);
+extern int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
+
+/* pci-irq.c */
+
+struct irq_info {
+        u8 bus, devfn;                  /* Bus, device and function */
+        struct {
+                u8 link;                /* IRQ line ID, chipset dependent,
+                                         * 0=not routed */
+                u16 bitmap;             /* Available IRQs */
+        } __attribute__((packed)) irq[4];
+        u8 slot;                        /* Slot number, 0=onboard */
+        u8 rfu;
+} __attribute__((packed));
+
+struct irq_routing_table {
+        u32 signature;                  /* PIRQ_SIGNATURE should be here */
+        u16 version;                    /* PIRQ_VERSION */
+        u16 size;                       /* Table size in bytes */
+        u8 rtr_bus, rtr_devfn;          /* Where the interrupt router lies */
+        u16 exclusive_irqs;             /* IRQs devoted exclusively to PCI usage */
+        u16 rtr_vendor, rtr_device;     /* Vendor and device ID of interrupt router */
+        u32 miniport_data;              /* Crap */
+        u8 rfu[11];
+        u8 checksum;                    /* Modulo 256 checksum must give zero */
+        struct irq_info slots[0];
+} __attribute__((packed));
+
+extern unsigned int pcibios_irq_mask;
+
+extern void pcibios_irq_init(void);
+extern void pcibios_fixup_irqs(void);
+extern void pcibios_enable_irq(struct pci_dev *dev);
+
+#endif /* PCI_ASB2305_H */