From ca9d3ab5c7e12929d1c64e3618bbd30e1ed2ea70 Mon Sep 17 00:00:00 2001 From: Stefan Kristiansson Date: Sat, 26 Nov 2011 19:04:49 +0000 Subject: openrisc: Add architecture header files Signed-off-by: Stefan Kristiansson --- arch/openrisc/include/asm/global_data.h | 74 +++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 arch/openrisc/include/asm/global_data.h (limited to 'arch/openrisc/include/asm/global_data.h') diff --git a/arch/openrisc/include/asm/global_data.h b/arch/openrisc/include/asm/global_data.h new file mode 100644 index 0000000..36de9d0 --- /dev/null +++ b/arch/openrisc/include/asm/global_data.h @@ -0,0 +1,74 @@ +/* + * (C) Copyright 2004 Atmark Techno, Inc. + * + * Yasushi SHOJI + * + * 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 cpu_clk; /* CPU clock in Hz! */ + unsigned long have_console; /* serial_init() was called */ + phys_size_t ram_size; /* RAM size */ + 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 */ + void **jt; /* jump table */ + char env_buf[32]; /* buffer for getenv() before reloc. */ +} gd_t; + +/* + * Global Data Flags + */ +/* Code was relocated to RAM */ +#define GD_FLG_RELOC 0x00001 +/* Devices have been initialized */ +#define GD_FLG_DEVINIT 0x00002 +/* Silent mode */ +#define GD_FLG_SILENT 0x00004 +/* Critical POST test failed */ +#define GD_FLG_POSTFAIL 0x00008 +/* POST seqeunce aborted */ +#define GD_FLG_POSTSTOP 0x00010 +/* Log Buffer has been initialized */ +#define GD_FLG_LOGINIT 0x00020 +/* Disable console (in & out) */ +#define GD_FLG_DISABLE_CONSOLE 0x00040 +/* Environment imported into hash table */ +#define GD_FLG_ENV_READY 0x00080 + +/* OR32 GCC already has r10 set as fixed-use */ +#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r10") + +#endif /* __ASM_GBL_DATA_H */ -- cgit v1.1