wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 1 | /* |
Wolfgang Denk | 91a7675 | 2010-07-24 20:22:02 +0200 | [diff] [blame] | 2 | * (C) Copyright 2002-2010 |
wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #ifndef __ASM_GBL_DATA_H |
| 25 | #define __ASM_GBL_DATA_H |
Simon Glass | 5cb4858 | 2012-12-13 20:48:30 +0000 | [diff] [blame] | 26 | |
| 27 | /* Architecture-specific global data */ |
| 28 | struct arch_global_data { |
Simon Glass | f47e6ec | 2012-12-13 20:48:31 +0000 | [diff] [blame] | 29 | #ifdef CONFIG_AT91FAMILY |
| 30 | /* "static data" needed by at91's clock.c */ |
| 31 | unsigned long cpu_clk_rate_hz; |
| 32 | unsigned long main_clk_rate_hz; |
| 33 | unsigned long mck_rate_hz; |
| 34 | unsigned long plla_rate_hz; |
| 35 | unsigned long pllb_rate_hz; |
| 36 | unsigned long at91_pllb_usb_init; |
| 37 | #endif |
Simon Glass | b339051 | 2012-12-13 20:48:32 +0000 | [diff] [blame] | 38 | /* "static data" needed by most of timer.c on ARM platforms */ |
| 39 | unsigned long timer_rate_hz; |
Simon Glass | 8ff43b0 | 2012-12-13 20:48:33 +0000 | [diff] [blame] | 40 | unsigned long tbu; |
Simon Glass | 66ee692 | 2012-12-13 20:48:34 +0000 | [diff] [blame] | 41 | unsigned long tbl; |
Simon Glass | 582601d | 2012-12-13 20:48:35 +0000 | [diff] [blame] | 42 | unsigned long lastinc; |
Simon Glass | 5f70714 | 2012-12-13 20:48:36 +0000 | [diff] [blame] | 43 | unsigned long long timer_reset_value; |
Simon Glass | b4d51db | 2012-12-13 20:48:37 +0000 | [diff] [blame] | 44 | #ifdef CONFIG_IXP425 |
| 45 | unsigned long timestamp; |
| 46 | #endif |
Simon Glass | 5cb4858 | 2012-12-13 20:48:30 +0000 | [diff] [blame] | 47 | }; |
| 48 | |
wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 49 | /* |
Michael Jones | f9a78b8 | 2011-07-14 22:09:28 +0000 | [diff] [blame] | 50 | * The following data structure is placed in some memory which is |
wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 51 | * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or |
| 52 | * some locked parts of the data cache) to allow for a minimum set of |
| 53 | * global variables during system initialization (until we have set |
| 54 | * up the memory controller so that we can use RAM). |
wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 55 | */ |
| 56 | |
| 57 | typedef struct global_data { |
| 58 | bd_t *bd; |
| 59 | unsigned long flags; |
Simon Glass | e46e31a | 2012-10-12 14:21:16 +0000 | [diff] [blame] | 60 | unsigned int baudrate; |
wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 61 | unsigned long have_console; /* serial_init() was called */ |
Graeme Russ | 9558b48 | 2011-09-01 00:48:27 +0000 | [diff] [blame] | 62 | #ifdef CONFIG_PRE_CONSOLE_BUFFER |
| 63 | unsigned long precon_buf_idx; /* Pre-Console buffer index */ |
| 64 | #endif |
wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 65 | unsigned long env_addr; /* Address of Environment struct */ |
| 66 | unsigned long env_valid; /* Checksum of Environment valid? */ |
wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 67 | unsigned long fb_base; /* base address of frame buffer */ |
Stefano Babic | c67bee1 | 2010-02-05 15:11:27 +0100 | [diff] [blame] | 68 | #ifdef CONFIG_FSL_ESDHC |
| 69 | unsigned long sdhc_clk; |
| 70 | #endif |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 71 | unsigned long relocaddr; /* Start address of U-Boot in RAM */ |
| 72 | phys_size_t ram_size; /* RAM size */ |
| 73 | unsigned long mon_len; /* monitor len */ |
| 74 | unsigned long irq_sp; /* irq stack pointer */ |
| 75 | unsigned long start_addr_sp; /* start_addr_stackpointer */ |
| 76 | unsigned long reloc_off; |
Aneesh V | e47f2db | 2011-06-16 23:30:48 +0000 | [diff] [blame] | 77 | #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 78 | unsigned long tlb_addr; |
Gabe Black | 724cdff | 2012-11-30 13:01:15 +0000 | [diff] [blame] | 79 | unsigned long tlb_size; |
Heiko Schocher | f1d2b31 | 2010-09-17 13:10:39 +0200 | [diff] [blame] | 80 | #endif |
Simon Glass | 45ba807 | 2011-10-15 05:48:20 +0000 | [diff] [blame] | 81 | const void *fdt_blob; /* Our device tree, NULL if none */ |
wdenk | 27b207f | 2003-07-24 23:38:38 +0000 | [diff] [blame] | 82 | void **jt; /* jump table */ |
Wolfgang Denk | 91a7675 | 2010-07-24 20:22:02 +0200 | [diff] [blame] | 83 | char env_buf[32]; /* buffer for getenv() before reloc. */ |
Valentin Longchamp | ea3681a | 2011-09-02 04:59:03 +0000 | [diff] [blame] | 84 | #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) |
| 85 | unsigned long post_log_word; /* Record POST activities */ |
Valentin Longchamp | 7984395 | 2011-08-03 02:37:01 +0000 | [diff] [blame] | 86 | unsigned long post_log_res; /* success of POST test */ |
Valentin Longchamp | ea3681a | 2011-09-02 04:59:03 +0000 | [diff] [blame] | 87 | unsigned long post_init_f_time; /* When post_init_f started */ |
| 88 | #endif |
Simon Glass | 5cb4858 | 2012-12-13 20:48:30 +0000 | [diff] [blame] | 89 | struct arch_global_data arch; /* architecture-specific data */ |
wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 90 | } gd_t; |
| 91 | |
Mike Frysinger | 47fde91 | 2012-03-18 14:31:24 +0000 | [diff] [blame] | 92 | #include <asm-generic/global_data_flags.h> |
wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 93 | |
Wolfgang Denk | 0be248f | 2006-03-07 00:22:36 +0100 | [diff] [blame] | 94 | #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8") |
wdenk | 0157ced | 2002-10-21 17:04:47 +0000 | [diff] [blame] | 95 | |
| 96 | #endif /* __ASM_GBL_DATA_H */ |