3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * Copyright (C) 2011 Andes Technology Corporation
6 * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
7 * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 /**************************************************************
30 * - do not implement for NDS32 Arch yet.
31 * - so far no one uses the macros defined in this head file.
32 **************************************************************/
34 #ifndef __ASM_GBL_DATA_H
35 #define __ASM_GBL_DATA_H
37 * The following data structure is placed in some memory wich is
38 * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
39 * some locked parts of the data cache) to allow for a minimum set of
40 * global variables during system initialization (until we have set
41 * up the memory controller so that we can use RAM).
44 typedef struct global_data {
47 unsigned int baudrate;
48 unsigned long have_console; /* serial_init() was called */
50 unsigned long reloc_off; /* Relocation Offset */
51 unsigned long env_addr; /* Address of Environment struct */
52 unsigned long env_valid; /* Checksum of Environment valid? */
53 unsigned long fb_base; /* base address of frame buffer */
55 unsigned long relocaddr; /* Start address of U-Boot in RAM */
56 phys_size_t ram_size; /* RAM size */
57 unsigned long mon_len; /* monitor len */
58 unsigned long irq_sp; /* irq stack pointer */
59 unsigned long start_addr_sp; /* start_addr_stackpointer */
60 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
61 unsigned long tlb_addr;
64 void **jt; /* jump table */
65 char env_buf[32]; /* buffer for getenv() before reloc. */
68 #include <asm-generic/global_data_flags.h>
70 #ifdef CONFIG_GLOBAL_DATA_NOT_REG10
71 extern volatile gd_t g_gd;
72 #define DECLARE_GLOBAL_DATA_PTR static volatile gd_t *gd = &g_gd
74 #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("$r10")
77 #endif /* __ASM_GBL_DATA_H */