xref: /kernel/linux/patches/linux-4.19/prebuilts/usr/include/asm-arm/asm/setup.h

/*
 * This header was generated from the Linux kernel headers by update_headers.py,
 * to provide necessary information from kernel to userspace, such as constants,
 * structures, and macros, and thus, contains no copyrightable information.
 */
#ifndef __ASMARM_SETUP_H
#define __ASMARM_SETUP_H
#include <linux/types.h>
#define COMMAND_LINE_SIZE 1024
#define ATAG_NONE	0x00000000
struct tag_header {
	__u32 size;
	__u32 tag;
};
#define ATAG_CORE	0x54410001
struct tag_core {
	__u32 flags;
	__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;
	__u32 size;
	__u32 start;
};
#define ATAG_INITRD	0x54410005
#define ATAG_INITRD2	0x54420005
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;

		struct tag_acorn	acorn;

		struct tag_memclk	memclk;
	} u;
};
struct tagtable {
	__u32 tag;
	int (*parse)(const struct tag *);
};
#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))
#endif