1 /*
2  * (C) Copyright 2012
3  * Linaro
4  * Linus Walleij <linus.walleij@linaro.org>
5  * Common ARM Integrator configuration settings
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #define CONFIG_SYS_TEXT_BASE		0x01000000
11 #define CONFIG_SYS_MEMTEST_START	0x100000
12 #define CONFIG_SYS_MEMTEST_END		0x10000000
13 #define CONFIG_SYS_TIMERBASE		0x13000100	/* Timer1 */
14 #define CONFIG_SYS_LOAD_ADDR		0x7fc0	/* default load address */
15 #define CONFIG_SYS_LONGHELP
16 #define CONFIG_SYS_HUSH_PARSER
17 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size*/
18 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
19 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
20 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size*/
21 #define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 128*1024) /* Size of malloc() pool */
22 
23 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
24 #define CONFIG_SETUP_MEMORY_TAGS
25 #define CONFIG_OF_LIBFDT		/* enable passing a Device Tree */
26 #define CONFIG_MISC_INIT_R		/* call misc_init_r during start up */
27 #define CONFIG_SYS_GENERIC_BOARD
28 
29 /*
30  * There are various dependencies on the core module (CM) fitted
31  * Users should refer to their CM user guide
32  */
33 #include "armcoremodule.h"
34 
35 /*
36  * Initialize and remap the core module, use SPD to detect memory size
37  * If CONFIG_SKIP_LOWLEVEL_INIT is not defined &
38  * the core module has a CM_INIT register
39  * then the U-Boot initialisation code will
40  * e.g. ARM Boot Monitor or pre-loader is repeated once
41  * (to re-initialise any existing CM_INIT settings to safe values).
42  *
43  * This is usually not the desired behaviour since the platform
44  * will either reboot into the ARM monitor (or pre-loader)
45  * or continuously cycle thru it without U-Boot running,
46  * depending upon the setting of Integrator/CP switch S2-4.
47  *
48  * However it may be needed if Integrator/CP switch S2-1
49  * is set OFF to boot direct into U-Boot.
50  * In that case comment out the line below.
51  */
52 #define CONFIG_CM_INIT
53 #define CONFIG_CM_REMAP
54 #define CONFIG_CM_SPD_DETECT
55 
56 /*
57  * The ARM boot monitor initializes the board.
58  * However, the default U-Boot code also performs the initialization.
59  * If desired, this can be prevented by defining SKIP_LOWLEVEL_INIT
60  * - see documentation supplied with board for details of how to choose the
61  * image to run at reset/power up
62  * e.g. whether the ARM Boot Monitor runs before U-Boot
63  */
64 /* #define CONFIG_SKIP_LOWLEVEL_INIT */
65 
66 /*
67  * The ARM boot monitor does not relocate U-Boot.
68  * However, the default U-Boot code performs the relocation check,
69  * and may relocate the code if the memory map is changed.
70  * If necessary this can be prevented by defining SKIP_RELOCATE_UBOOT
71  */
72 /* #define SKIP_CONFIG_RELOCATE_UBOOT */
73 
74 
75 /*
76  * Physical Memory Map
77  */
78 #define CONFIG_NR_DRAM_BANKS	1		/* we have 1 bank of DRAM */
79 #define PHYS_SDRAM_1		0x00000000	/* SDRAM Bank #1 */
80 #define PHYS_SDRAM_1_SIZE	0x08000000	/* 128 MB */
81 #define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM_1
82 #define CONFIG_SYS_INIT_RAM_SIZE PHYS_SDRAM_1_SIZE
83 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \
84 				    CONFIG_SYS_INIT_RAM_SIZE - \
85 				    GENERATED_GBL_DATA_SIZE)
86 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
87 
88 /*
89  * FLASH and environment organization
90  * Top varies according to amount fitted
91  * Reserve top 4 blocks of flash
92  * - ARM Boot Monitor
93  * - Unused
94  * - SIB block
95  * - U-Boot environment
96  */
97 #define CONFIG_CMD_ARMFLASH
98 #define CONFIG_SYS_FLASH_CFI		1
99 #define CONFIG_FLASH_CFI_DRIVER		1
100 #define CONFIG_SYS_FLASH_BASE		0x24000000
101 #define CONFIG_SYS_MAX_FLASH_BANKS	1
102 
103 /* Timeout values in ticks */
104 #define CONFIG_SYS_FLASH_ERASE_TOUT	(2 * CONFIG_SYS_HZ) /* Erase Timeout */
105 #define CONFIG_SYS_FLASH_WRITE_TOUT	(2 * CONFIG_SYS_HZ) /* Write Timeout */
106 #define CONFIG_SYS_FLASH_PROTECTION	/* The devices have real protection */
107 #define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
108