| Macpaul Lin | 0b9b59a | 2011-10-11 22:33:15 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2002 |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
| 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> |
| 8 | * |
| 9 | * See file CREDITS for list of people who contributed to this |
| 10 | * project. |
| 11 | * |
| 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. |
| 16 | * |
| 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. |
| 21 | * |
| 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, |
| 25 | * MA 02111-1307 USA |
| 26 | */ |
| 27 | |
| 28 | /************************************************************** |
| 29 | * CAUTION: |
| 30 | * - do not implement for NDS32 Arch yet. |
| 31 | * - so far no one uses the macros defined in this head file. |
| 32 | **************************************************************/ |
| 33 | |
| 34 | #ifndef __ASM_GBL_DATA_H |
| 35 | #define __ASM_GBL_DATA_H |
| 36 | /* |
| 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). |
| Macpaul Lin | 0b9b59a | 2011-10-11 22:33:15 +0000 | [diff] [blame] | 42 | */ |
| 43 | |
| 44 | typedef struct global_data { |
| 45 | bd_t *bd; |
| 46 | unsigned long flags; |
| 47 | unsigned long baudrate; |
| 48 | unsigned long have_console; /* serial_init() was called */ |
| 49 | |
| 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 */ |
| 54 | |
| 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; |
| 62 | #endif |
| 63 | |
| 64 | void **jt; /* jump table */ |
| 65 | char env_buf[32]; /* buffer for getenv() before reloc. */ |
| 66 | } gd_t; |
| 67 | |
| Mike Frysinger | 211c210 | 2012-03-18 14:31:24 +0000 | [diff] [blame] | 68 | #include <asm-generic/global_data_flags.h> |
| Macpaul Lin | 0b9b59a | 2011-10-11 22:33:15 +0000 | [diff] [blame] | 69 | |
| 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 |
| 73 | #else |
| 74 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("$r10") |
| 75 | #endif |
| 76 | |
| 77 | #endif /* __ASM_GBL_DATA_H */ |