1 files changed, 270 insertions, 0 deletions
diff --git a/include/asm-arm/setup.h b/include/asm-arm/setup.h
new file mode 100644
index 0000000000..c20b44813b
--- /dev/null
+++ b/include/asm-arm/setup.h
@@ -0,0 +1,270 @@
+/*
+ *  linux/include/asm/setup.h
+ *
+ *  Copyright (C) 1997-1999 Russell 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.
+ *
+ *  Structure passed to kernel to tell it about the
+ *  hardware it's running on.  See linux/Documentation/arm/Setup
+ *  for more info.
+ *
+ * NOTE:
+ *  This file contains two ways to pass information from the boot
+ *  loader to the kernel. The old struct param_struct is deprecated,
+ *  but it will be kept in the kernel for 5 years from now
+ *  (2001). This will allow boot loaders to convert to the new struct
+ *  tag way.
+ */
+#ifndef __ASMARM_SETUP_H
+#define __ASMARM_SETUP_H
+
+/*
+ * Usage:
+ *  - do not go blindly adding fields, add them at the end
+ *  - when adding fields, don't rely on the address until
+ *    a patch from me has been released
+ *  - unused fields should be zero (for future expansion)
+ *  - this structure is relatively short-lived - only
+ *    guaranteed to contain useful data in setup_arch()
+ */
+#define COMMAND_LINE_SIZE 1024
+
+/* This is the old deprecated way to pass parameters to the kernel */
+struct param_struct {
+    union {
+	struct {
+	    unsigned long page_size;		/*  0 */
+	    unsigned long nr_pages;		/*  4 */
+	    unsigned long ramdisk_size;		/*  8 */
+	    unsigned long flags;		/* 12 */
+#define FLAG_READONLY	1
+#define FLAG_RDLOAD	4
+#define FLAG_RDPROMPT	8
+	    unsigned long rootdev;		/* 16 */
+	    unsigned long video_num_cols;	/* 20 */
+	    unsigned long video_num_rows;	/* 24 */
+	    unsigned long video_x;		/* 28 */
+	    unsigned long video_y;		/* 32 */
+	    unsigned long memc_control_reg;	/* 36 */
+	    unsigned char sounddefault;		/* 40 */
+	    unsigned char adfsdrives;		/* 41 */
+	    unsigned char bytes_per_char_h;	/* 42 */
+	    unsigned char bytes_per_char_v;	/* 43 */
+	    unsigned long pages_in_bank[4];	/* 44 */
+	    unsigned long pages_in_vram;	/* 60 */
+	    unsigned long initrd_start;		/* 64 */
+	    unsigned long initrd_size;		/* 68 */
+	    unsigned long rd_start;		/* 72 */
+	    unsigned long system_rev;		/* 76 */
+	    unsigned long system_serial_low;	/* 80 */
+	    unsigned long system_serial_high;	/* 84 */
+	    unsigned long mem_fclk_21285;       /* 88 */
+	} s;
+	char unused[256];
+    } u1;
+    union {
+	char paths[8][128];
+	struct {
+	    unsigned long magic;
+	    char n[1024 - sizeof(unsigned long)];
+	} s;
+    } u2;
+    char commandline[COMMAND_LINE_SIZE];
+};
+
+
+
+/*
+ * The new way of passing information: a list of tagged entries
+ */
+
+/* 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;		/* bit 0 = read-only */
+	u32 pagesize;
+	u32 rootdev;
+};
+
+/* it is allowed to have multiple ATAG_MEM nodes */
+#define ATAG_MEM	0x54410002
+
+struct tag_mem32 {
+	u32	size;
+	u32	start;	/* physical start address */
+};
+
+/* VGA text type displays */
+#define ATAG_VIDEOTEXT	0x54410003
+
+struct tag_videotext {
+	u8		x;
+	u8		y;
+	u16		video_page;
+	u8		video_mode;
+	u8		video_cols;
+	u16		video_ega_bx;
+	u8		video_lines;
+	u8		video_isvga;
+	u16		video_points;
+};
+
+/* describes how the ramdisk will be used in kernel */
+#define ATAG_RAMDISK	0x54410004
+
+struct tag_ramdisk {
+	u32 flags;	/* bit 0 = load, bit 1 = prompt */
+	u32 size;	/* decompressed ramdisk size in _kilo_ bytes */
+	u32 start;	/* starting block of floppy-based RAM disk image */
+};
+
+/* describes where the compressed ramdisk image lives (virtual address) */
+/*
+ * this one accidentally used virtual addresses - as such,
+ * its depreciated.
+ */
+#define ATAG_INITRD	0x54410005
+
+/* describes where the compressed ramdisk image lives (physical address) */
+#define ATAG_INITRD2	0x54420005
+
+struct tag_initrd {
+	u32 start;	/* physical start address */
+	u32 size;	/* size of compressed ramdisk image in bytes */
+};
+
+/* board serial number. "64 bits should be enough for everybody" */
+#define ATAG_SERIAL	0x54410006
+
+struct tag_serialnr {
+	u32 low;
+	u32 high;
+};
+
+/* board revision */
+#define ATAG_REVISION	0x54410007
+
+struct tag_revision {
+	u32 rev;
+};
+
+/* initial values for vesafb-type framebuffers. see struct screen_info
+ * in include/linux/tty.h
+ */
+#define ATAG_VIDEOLFB	0x54410008
+
+struct tag_videolfb {
+	u16		lfb_width;
+	u16		lfb_height;
+	u16		lfb_depth;
+	u16		lfb_linelength;
+	u32		lfb_base;
+	u32		lfb_size;
+	u8		red_size;
+	u8		red_pos;
+	u8		green_size;
+	u8		green_pos;
+	u8		blue_size;
+	u8		blue_pos;
+	u8		rsvd_size;
+	u8		rsvd_pos;
+};
+
+/* command line: \0 terminated string */
+#define ATAG_CMDLINE	0x54410009
+
+struct tag_cmdline {
+	char	cmdline[1];	/* this is the minimum size */
+};
+
+/* acorn RiscPC specific information */
+#define ATAG_ACORN	0x41000101
+
+struct tag_acorn {
+	u32 memc_control_reg;
+	u32 vram_pages;
+	u8 sounddefault;
+	u8 adfsdrives;
+};
+
+/* footbridge memory clock, see arch/arm/mach-footbridge/arch.c */
+#define ATAG_MEMCLK	0x41000402
+
+struct tag_memclk {
+	u32 fmemclk;
+};
+
+struct tag {
+	struct tag_header hdr;
+	union {
+		struct tag_core		core;
+		struct tag_mem32	mem;
+		struct tag_videotext	videotext;
+		struct tag_ramdisk	ramdisk;
+		struct tag_initrd	initrd;
+		struct tag_serialnr	serialnr;
+		struct tag_revision	revision;
+		struct tag_videolfb	videolfb;
+		struct tag_cmdline	cmdline;
+
+		/*
+		 * Acorn specific
+		 */
+		struct tag_acorn	acorn;
+
+		/*
+		 * DC21285 specific
+		 */
+		struct tag_memclk	memclk;
+	} u;
+};
+
+struct tagtable {
+	u32 tag;
+	int (*parse)(const struct tag *);
+};
+
+#define __tag __attribute__((unused, __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))
+
+/*
+ * Memory map description
+ */
+#define NR_BANKS 8
+
+struct meminfo {
+	int nr_banks;
+	unsigned long end;
+	struct {
+		unsigned long start;
+		unsigned long size;
+		int           node;
+	} bank[NR_BANKS];
+};
+
+extern struct meminfo meminfo;
+
+#endif