1 files changed, 137 insertions, 0 deletions
diff --git a/include/asm-arm/setup.h b/include/asm-arm/setup.h
index c067c9618..29cfe814c 100644
--- a/include/asm-arm/setup.h
+++ b/include/asm-arm/setup.h
@@ -68,6 +68,143 @@ struct param_struct {
 };
 
 /*
+ * New idea - a list of tagged entries
+ */
+#define ATAG_NONE	0x00000000
+
+struct tag_header {
+	u32 size;
+	u32 tag;
+};
+
+#define ATAG_CORE	0x54410001
+
+struct tag_core {
+	u32 flags;		/* bit 0 = read-only */
+	u32 pagesize;
+	u32 rootdev;
+};
+
+#define ATAG_MEM		0x54410002
+
+struct tag_mem32 {
+	u32	size;
+	u32	start;
+};
+
+#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;
+};
+
+#define ATAG_RAMDISK	0x54410004
+
+struct tag_ramdisk {
+	u32 flags;		/* b0 = load, b1 = prompt */
+	u32 size;
+	u32 start;
+};
+
+#define ATAG_INITRD	0x54410005
+
+struct tag_initrd {
+	u32 start;
+	u32 size;
+};
+
+#define ATAG_SERIAL	0x54410006
+
+struct tag_serialnr {
+	u32 low;
+	u32 high;
+};
+
+#define ATAG_REVISION	0x54410007
+
+struct tag_revision {
+	u32 rev;
+};
+
+#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;
+};
+
+#define ATAG_CMDLINE	0x54410009
+
+struct tag_cmdline {
+	char	cmdline[1];
+};
+
+#define ATAG_ACORN	0x41000101
+
+struct tag_acorn {
+	u32 memc_control_reg;
+	u32 vram_pages;
+	u8 sounddefault;
+	u8 adfsdrives;
+};
+
+#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 *);
+};
+
+/*
  * Memory map description
  */
 #define NR_BANKS 4