diff options
author | Simon Glass <sjg@chromium.org> | 2011-10-10 12:22:14 +0400 |
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committer | Wolfgang Denk <wd@denx.de> | 2011-10-18 00:45:50 +0400 |
commit | 744d9859a71c515118457fecb7a58674b600e81a (patch) | |
tree | 47f1788b7253239bd0fa42cfc28f3762e786fab2 /arch/sandbox/include/asm/global_data.h | |
parent | e72f0b1521135f48aec7cc92eeb1e052ea6a10e9 (diff) | |
download | u-boot-744d9859a71c515118457fecb7a58674b600e81a.tar.xz |
sandbox: Add architecture header files
This adds required header files for the sandbox architecture, and a basic
description of what sandbox is (README.sandbox).
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/sandbox/include/asm/global_data.h')
-rw-r--r-- | arch/sandbox/include/asm/global_data.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/sandbox/include/asm/global_data.h b/arch/sandbox/include/asm/global_data.h new file mode 100644 index 0000000000..8d47191f92 --- /dev/null +++ b/arch/sandbox/include/asm/global_data.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * (C) Copyright 2002-2010 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __ASM_GBL_DATA_H +#define __ASM_GBL_DATA_H +/* + * The following data structure is placed in some memory wich is + * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or + * some locked parts of the data cache) to allow for a minimum set of + * global variables during system initialization (until we have set + * up the memory controller so that we can use RAM). + * + * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t) + */ + +typedef struct global_data { + bd_t *bd; + unsigned long flags; + unsigned long baudrate; + unsigned long have_console; /* serial_init() was called */ + unsigned long env_addr; /* Address of Environment struct */ + unsigned long env_valid; /* Checksum of Environment valid? */ + unsigned long fb_base; /* base address of frame buffer */ + u8 *ram_buf; /* emulated RAM buffer */ + phys_size_t ram_size; /* RAM size */ + void **jt; /* jump table */ + char env_buf[32]; /* buffer for getenv() before reloc. */ +} gd_t; + +/* + * Global Data Flags + */ +#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ +#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ +#define GD_FLG_SILENT 0x00004 /* Silent mode */ +#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ +#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ +#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ +#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ +#define GD_FLG_ENV_READY 0x00080 /* Env. imported into hash table */ + +#define DECLARE_GLOBAL_DATA_PTR extern gd_t *gd + +#endif /* __ASM_GBL_DATA_H */ |