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| author | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
|---|---|---|
| committer | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
| commit | d2e1446d81725c351dc73a03b397ce043fb18452 (patch) | |
| tree | 4dbc616b7f92aea39cd697a9084205ddb805e344 /arch/arm/include/uapi/asm/setup.h | |
| download | android_kernel_m2note-d2e1446d81725c351dc73a03b397ce043fb18452.tar.gz | |
first commit
Diffstat (limited to 'arch/arm/include/uapi/asm/setup.h')
| -rw-r--r-- | arch/arm/include/uapi/asm/setup.h | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/arch/arm/include/uapi/asm/setup.h b/arch/arm/include/uapi/asm/setup.h new file mode 100644 index 000000000..30cd89ed0 --- /dev/null +++ b/arch/arm/include/uapi/asm/setup.h @@ -0,0 +1,258 @@ +/* + * 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 Documentation/arm/Setup + * for more info. + */ +#ifndef _UAPI__ASMARM_SETUP_H +#define _UAPI__ASMARM_SETUP_H + +#include <linux/types.h> +#include <mach/dfo_boot.h> +#include <mach/mt_devinfo.h> + +#define COMMAND_LINE_SIZE 1024 + +/* 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 */ +}; + +/* it is allowed to have multiple ATAG_MEM nodes */ +#define ATAG_MEM64 0x54420002 + +struct tag_mem64 { + __u64 size; + __u64 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, + * it's deprecated. + */ +#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; +}; + +/* boot information */ +#define ATAG_BOOT 0x41000802 + +struct tag_boot { + u32 bootmode; +}; + +/*META com port information*/ +#define ATAG_META_COM 0x41000803 + +struct tag_meta_com { + u32 meta_com_type; /* identify meta via uart or usb */ + u32 meta_com_id; /* multiple meta need to know com port id */ +}; + + +/* MDINFO */ +#define ATAG_MDINFO_DATA 0x41000806 +struct tag_mdinfo_data{ + u8 md_type[4]; +}; + +#define ATAG_TEE_DATA 0x41000808 + +/* general memory descriptor */ +typedef struct { + u64 start; + u64 size; +} mem_desc_t; + +/* mblock is used by CPU */ +typedef struct { + u64 start; + u64 size; + u32 rank; /* rank the mblock belongs to */ +} mblock_t; + +typedef struct { + u32 mblock_num; + mblock_t mblock[4]; +} mblock_info_t; + +typedef struct { + u32 rank_num; + mem_desc_t rank_info[4]; +} dram_info_t; + +struct tag { + struct tag_header hdr; + union { + struct tag_core core; + struct tag_mem32 mem; + struct tag_mem64 mem64; + 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; + struct tag_boot boot; + struct tag_meta_com meta_com; + struct tag_devinfo_data devinfo_data; + tag_dfo_boot dfo_data; + struct tag_mdinfo_data mdinfo_data; + mem_desc_t tee_reserved_mem; +#ifdef PT_ABTC_ATAG + struct tag_pt_info tag_pt_info; +#endif +#ifdef NAND_ABTC_ATAG + struct tag_nand_number tag_nand_number; + flashdev_info_t gen_FlashTable_p; +#endif + } 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 /* _UAPI__ASMARM_SETUP_H */ |
