108 lines
3.4 KiB
C
108 lines
3.4 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* 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 CFG_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 bus_clk;
|
|
#if defined(CONFIG_8260)
|
|
/* There are many clocks on the MPC8260 - see page 9-5 */
|
|
unsigned long vco_out;
|
|
unsigned long cpm_clk;
|
|
unsigned long scc_clk;
|
|
unsigned long brg_clk;
|
|
#endif
|
|
#if defined(CONFIG_MPC5XXX)
|
|
unsigned long ipb_clk;
|
|
unsigned long pci_clk;
|
|
#endif
|
|
unsigned long ram_size; /* RAM size */
|
|
unsigned long reloc_off; /* Relocation Offset */
|
|
unsigned long reset_status; /* reset status register at boot */
|
|
unsigned long env_addr; /* Address of Environment struct */
|
|
unsigned long env_valid; /* Checksum of Environment valid? */
|
|
unsigned long have_console; /* serial_init() was called */
|
|
#if defined(CFG_ALLOC_DPRAM) || defined(CONFIG_8260)
|
|
unsigned int dp_alloc_base;
|
|
unsigned int dp_alloc_top;
|
|
#endif
|
|
#if defined(CONFIG_EVB64260)
|
|
unsigned int mirror_hack[16];
|
|
#endif
|
|
#if defined(CONFIG_SANDPOINT) || \
|
|
defined(CONFIG_MUSENKI) || \
|
|
defined(CONFIG_A3000)
|
|
void * console_addr;
|
|
#endif
|
|
#ifdef CONFIG_AMIGAONEG3SE
|
|
unsigned long relocaddr; /* Start address of U-Boot in RAM */
|
|
#endif
|
|
#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
|
|
unsigned long fb_base; /* Base address of framebuffer memory */
|
|
#endif
|
|
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
|
|
unsigned long post_log_word; /* Record POST activities */
|
|
unsigned long post_init_f_time; /* When post_init_f started */
|
|
#endif
|
|
#ifdef CONFIG_BOARD_TYPES
|
|
unsigned long board_type;
|
|
#endif
|
|
#ifdef CONFIG_MODEM_SUPPORT
|
|
unsigned long do_mdm_init;
|
|
unsigned long be_quiet;
|
|
#endif
|
|
#ifdef CONFIG_LWMON
|
|
unsigned long kbd_status;
|
|
#endif
|
|
} gd_t;
|
|
|
|
/*
|
|
* Global Data Flags
|
|
*/
|
|
#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
|
|
#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
|
|
|
|
#if 1
|
|
#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("r29")
|
|
#else /* We could use plain global data, but the resulting code is bigger */
|
|
#define XTRN_DECLARE_GLOBAL_DATA_PTR extern
|
|
#define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
|
|
gd_t *gd
|
|
#endif
|
|
|
|
#endif /* __ASM_GBL_DATA_H */
|