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console: Implement pre-console buffer
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0b135cfc 1/*
91a76751 2 * (C) Copyright 2002-2010
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3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2007
6 * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
27#ifndef __ASM_SH_GLOBALDATA_H_
28#define __ASM_SH_GLOBALDATA_H_
29
30typedef struct global_data
31{
32 bd_t *bd;
33 unsigned long flags;
34 unsigned long baudrate;
35 unsigned long cpu_clk; /* CPU clock in Hz! */
36 unsigned long have_console; /* serial_init() was called */
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37#ifdef CONFIG_PRE_CONSOLE_BUFFER
38 unsigned long precon_buf_idx; /* Pre-Console buffer index */
39#endif
b57ca3e1 40 phys_size_t ram_size; /* RAM size */
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41 unsigned long env_addr; /* Address of Environment struct */
42 unsigned long env_valid; /* Checksum of Environment valid */
43 void **jt; /* Standalone app jump table */
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44 char env_buf[32]; /* buffer for getenv() before reloc. */
45} gd_t;
0b135cfc 46
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47#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
48#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
49#define GD_FLG_SILENT 0x00004 /* Silent mode */
50#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
51#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
52#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
91a76751 53#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
ea882baf 54#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */
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55
56#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("r13")
57
58#endif /* __ASM_SH_GLOBALDATA_H_ */