1 /*
2  * (C) Copyright 2012
3  * Linaro
4  * Linus Walleij <linus.walleij@linaro.org>
5  * Common ARM Integrator configuration settings
6  *
7  * See file CREDITS for list of people who contributed to this
8  * project.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License as
12  * published by the Free Software Foundation; either version 2 of
13  * the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23  * MA 02111-1307 USA
24  */
25 
26 #define CONFIG_INTEGRATOR
27 
28 #define CONFIG_SYS_TEXT_BASE		0x01000000
29 #define CONFIG_SYS_MEMTEST_START	0x100000
30 #define CONFIG_SYS_MEMTEST_END		0x10000000
31 #define CONFIG_SYS_HZ			1000
32 #define CONFIG_SYS_TIMERBASE		0x13000100	/* Timer1 */
33 #define CONFIG_SYS_LOAD_ADDR		0x7fc0	/* default load address */
34 #define CONFIG_SYS_LONGHELP
35 #define CONFIG_SYS_HUSH_PARSER
36 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size*/
37 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
38 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
39 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size*/
40 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 128*1024) /* Size of malloc() pool */
41 
42 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
43 #define CONFIG_SETUP_MEMORY_TAGS
44 #define CONFIG_OF_LIBFDT		/* enable passing a Device Tree */
45 #define CONFIG_MISC_INIT_R		/* call misc_init_r during start up */
46 
47 /*
48  * There are various dependencies on the core module (CM) fitted
49  * Users should refer to their CM user guide
50  */
51 #include "armcoremodule.h"
52 
53 /*
54  * Initialize and remap the core module, use SPD to detect memory size
55  * If CONFIG_SKIP_LOWLEVEL_INIT is not defined &
56  * the core module has a CM_INIT register
57  * then the U-Boot initialisation code will
58  * e.g. ARM Boot Monitor or pre-loader is repeated once
59  * (to re-initialise any existing CM_INIT settings to safe values).
60  *
61  * This is usually not the desired behaviour since the platform
62  * will either reboot into the ARM monitor (or pre-loader)
63  * or continuously cycle thru it without U-Boot running,
64  * depending upon the setting of Integrator/CP switch S2-4.
65  *
66  * However it may be needed if Integrator/CP switch S2-1
67  * is set OFF to boot direct into U-Boot.
68  * In that case comment out the line below.
69  */
70 #define CONFIG_CM_INIT
71 #define CONFIG_CM_REMAP
72 #define CONFIG_CM_SPD_DETECT
73 
74 /*
75  * The ARM boot monitor initializes the board.
76  * However, the default U-Boot code also performs the initialization.
77  * If desired, this can be prevented by defining SKIP_LOWLEVEL_INIT
78  * - see documentation supplied with board for details of how to choose the
79  * image to run at reset/power up
80  * e.g. whether the ARM Boot Monitor runs before U-Boot
81  */
82 /* #define CONFIG_SKIP_LOWLEVEL_INIT */
83 
84 /*
85  * The ARM boot monitor does not relocate U-Boot.
86  * However, the default U-Boot code performs the relocation check,
87  * and may relocate the code if the memory map is changed.
88  * If necessary this can be prevented by defining SKIP_RELOCATE_UBOOT
89  */
90 /* #define SKIP_CONFIG_RELOCATE_UBOOT */
91 
92 
93 /*
94  * Physical Memory Map
95  */
96 #define CONFIG_NR_DRAM_BANKS	1		/* we have 1 bank of DRAM */
97 #define PHYS_SDRAM_1		0x00000000	/* SDRAM Bank #1 */
98 #define PHYS_SDRAM_1_SIZE	0x08000000	/* 128 MB */
99 #define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM_1
100 #define CONFIG_SYS_INIT_RAM_SIZE PHYS_SDRAM_1_SIZE
101 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \
102 				    CONFIG_SYS_INIT_RAM_SIZE - \
103 				    GENERATED_GBL_DATA_SIZE)
104 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
105