| /* | |
| * Copyright (c) 2012 The Chromium OS Authors. | |
| * (C) Copyright 2002-2010 | |
| * 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_GENERIC_GBL_DATA_H | |
| #define __ASM_GENERIC_GBL_DATA_H | |
| /* | |
| * The following data structure is placed in some memory which 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) | |
| * | |
| * Each architecture has its own private fields. For now all are private | |
| */ | |
| #ifndef __ASSEMBLY__ | |
| typedef struct global_data { | |
| bd_t *bd; | |
| unsigned long flags; | |
| unsigned int baudrate; | |
| unsigned long cpu_clk; /* CPU clock in Hz! */ | |
| unsigned long bus_clk; | |
| /* We cannot bracket this with CONFIG_PCI due to mpc5xxx */ | |
| unsigned long pci_clk; | |
| unsigned long mem_clk; | |
| #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) | |
| unsigned long fb_base; /* Base address of framebuffer mem */ | |
| #endif | |
| #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) | |
| unsigned long post_log_word; /* Record POST activities */ | |
| unsigned long post_log_res; /* success of POST test */ | |
| unsigned long post_init_f_time; /* When post_init_f started */ | |
| #endif | |
| #ifdef CONFIG_BOARD_TYPES | |
| unsigned long board_type; | |
| #endif | |
| unsigned long have_console; /* serial_init() was called */ | |
| #ifdef CONFIG_PRE_CONSOLE_BUFFER | |
| unsigned long precon_buf_idx; /* Pre-Console buffer index */ | |
| #endif | |
| #ifdef CONFIG_MODEM_SUPPORT | |
| unsigned long do_mdm_init; | |
| unsigned long be_quiet; | |
| #endif | |
| unsigned long env_addr; /* Address of Environment struct */ | |
| unsigned long env_valid; /* Checksum of Environment valid? */ | |
| unsigned long ram_top; /* Top address of RAM used by U-Boot */ | |
| unsigned long relocaddr; /* Start address of U-Boot in RAM */ | |
| phys_size_t ram_size; /* RAM size */ | |
| unsigned long mon_len; /* monitor len */ | |
| unsigned long irq_sp; /* irq stack pointer */ | |
| unsigned long start_addr_sp; /* start_addr_stackpointer */ | |
| unsigned long reloc_off; | |
| struct global_data *new_gd; /* relocated global data */ | |
| const void *fdt_blob; /* Our device tree, NULL if none */ | |
| void *new_fdt; /* Relocated FDT */ | |
| unsigned long fdt_size; /* Space reserved for relocated FDT */ | |
| void **jt; /* jump table */ | |
| char env_buf[32]; /* buffer for getenv() before reloc. */ | |
| #ifdef CONFIG_TRACE | |
| void *trace_buff; /* The trace buffer */ | |
| #endif | |
| struct arch_global_data arch; /* architecture-specific data */ | |
| } gd_t; | |
| #endif | |
| /* | |
| * Global Data Flags | |
| */ | |
| #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ | |
| #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ | |
| #define GD_FLG_SILENT 0x00004 /* Silent mode */ | |
| #define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ | |
| #define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ | |
| #define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ | |
| #define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ | |
| #define GD_FLG_ENV_READY 0x00080 /* Env. imported into hash table */ | |
| #endif /* __ASM_GENERIC_GBL_DATA_H */ |