This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-avr32 / setup.h

diff --git a/include/asm-avr32/setup.h b/include/asm-avr32/setup.h
new file mode 100644 (file)
index 0000000..0a52242
--- /dev/null
+++ b/include/asm-avr32/setup.h
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * Based on linux/include/asm-arm/setup.h
+ *   Copyright (C) 1997-1999 Russel King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_AVR32_SETUP_H__
+#define __ASM_AVR32_SETUP_H__
+
+#define COMMAND_LINE_SIZE 256
+
+#ifdef __KERNEL__
+
+/* Magic number indicating that a tag table is present */
+#define ATAG_MAGIC     0xa2a25441
+
+#ifndef __ASSEMBLY__
+
+/*
+ * Generic memory range, used by several tags.
+ *
+ *   addr is always physical.
+ *   size is measured in bytes.
+ *   next is for use by the OS, e.g. for grouping regions into
+ *        linked lists.
+ */
+struct tag_mem_range {
+       u32                     addr;
+       u32                     size;
+       struct tag_mem_range *  next;
+};
+
+/* The list ends with an ATAG_NONE node. */
+#define ATAG_NONE      0x00000000
+
+struct tag_header {
+       u32 size;
+       u32 tag;
+};
+
+/* The list must start with an ATAG_CORE node */
+#define ATAG_CORE      0x54410001
+
+struct tag_core {
+       u32 flags;
+       u32 pagesize;
+       u32 rootdev;
+};
+
+/* it is allowed to have multiple ATAG_MEM nodes */
+#define ATAG_MEM       0x54410002
+/* ATAG_MEM uses tag_mem_range */
+
+/* command line: \0 terminated string */
+#define ATAG_CMDLINE   0x54410003
+
+struct tag_cmdline {
+       char    cmdline[1];     /* this is the minimum size */
+};
+
+/* Ramdisk image (may be compressed) */
+#define ATAG_RDIMG     0x54410004
+/* ATAG_RDIMG uses tag_mem_range */
+
+/* Information about various clocks present in the system */
+#define ATAG_CLOCK     0x54410005
+
+struct tag_clock {
+       u32     clock_id;       /* Which clock are we talking about? */
+       u32     clock_flags;    /* Special features */
+       u64     clock_hz;       /* Clock speed in Hz */
+};
+
+/* The clock types we know about */
+#define CLOCK_BOOTCPU  0
+
+/* Memory reserved for the system (e.g. the bootloader) */
+#define ATAG_RSVD_MEM  0x54410006
+/* ATAG_RSVD_MEM uses tag_mem_range */
+
+/* Ethernet information */
+
+#define ATAG_ETHERNET  0x54410007
+
+struct tag_ethernet {
+       u8      mac_index;
+       u8      mii_phy_addr;
+       u8      hw_address[6];
+};
+
+#define ETH_INVALID_PHY        0xff
+
+struct tag {
+       struct tag_header hdr;
+       union {
+               struct tag_core core;
+               struct tag_mem_range mem_range;
+               struct tag_cmdline cmdline;
+               struct tag_clock clock;
+               struct tag_ethernet ethernet;
+       } u;
+};
+
+struct tagtable {
+       u32     tag;
+       int     (*parse)(struct tag *);
+};
+
+#define __tag __attribute_used__ __attribute__((__section__(".taglist")))
+#define __tagtable(tag, fn)                                            \
+       static struct tagtable __tagtable_##fn __tag = { tag, fn }
+
+#define tag_member_present(tag,member)                                 \
+       ((unsigned long)(&((struct tag *)0L)->member + 1)               \
+        <= (tag)->hdr.size * 4)
+
+#define tag_next(t)    ((struct tag *)((u32 *)(t) + (t)->hdr.size))
+#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2)
+
+#define for_each_tag(t,base)                                           \
+       for (t = base; t->hdr.size; t = tag_next(t))
+
+extern struct tag_mem_range *mem_phys;
+extern struct tag_mem_range *mem_reserved;
+extern struct tag_mem_range *mem_ramdisk;
+
+extern struct tag *bootloader_tags;
+
+extern void setup_bootmem(void);
+extern void setup_processor(void);
+extern void board_setup_fbmem(unsigned long fbmem_start,
+                             unsigned long fbmem_size);
+
+/* Chip-specific hook to enable the use of SDRAM */
+void chip_enable_sdram(void);
+
+#endif /* !__ASSEMBLY__ */
+
+#endif  /*  __KERNEL__  */
+
+#endif /* __ASM_AVR32_SETUP_H__ */