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_MALLOC_LEN		(CONFIG_ENV_SIZE + 128*1024) /* Size of malloc() pool */
17 
18 #define CONFIG_CONS_INDEX		0
19 
20 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
21 #define CONFIG_SETUP_MEMORY_TAGS
22 #define CONFIG_MISC_INIT_R		/* call misc_init_r during start up */
23 
24 /*
25  * There are various dependencies on the core module (CM) fitted
26  * Users should refer to their CM user guide
27  */
28 #include "armcoremodule.h"
29 
30 /*
31  * Initialize and remap the core module, use SPD to detect memory size
32  * If CONFIG_SKIP_LOWLEVEL_INIT is not defined &
33  * the core module has a CM_INIT register
34  * then the U-Boot initialisation code will
35  * e.g. ARM Boot Monitor or pre-loader is repeated once
36  * (to re-initialise any existing CM_INIT settings to safe values).
37  *
38  * This is usually not the desired behaviour since the platform
39  * will either reboot into the ARM monitor (or pre-loader)
40  * or continuously cycle thru it without U-Boot running,
41  * depending upon the setting of Integrator/CP switch S2-4.
42  *
43  * However it may be needed if Integrator/CP switch S2-1
44  * is set OFF to boot direct into U-Boot.
45  * In that case comment out the line below.
46  */
47 #define CONFIG_CM_INIT
48 #define CONFIG_CM_REMAP
49 #define CONFIG_CM_SPD_DETECT
50 
51 /*
52  * The ARM boot monitor initializes the board.
53  * However, the default U-Boot code also performs the initialization.
54  * If desired, this can be prevented by defining SKIP_LOWLEVEL_INIT
55  * - see documentation supplied with board for details of how to choose the
56  * image to run at reset/power up
57  * e.g. whether the ARM Boot Monitor runs before U-Boot
58  */
59 /* #define CONFIG_SKIP_LOWLEVEL_INIT */
60 
61 /*
62  * The ARM boot monitor does not relocate U-Boot.
63  * However, the default U-Boot code performs the relocation check,
64  * and may relocate the code if the memory map is changed.
65  * If necessary this can be prevented by defining SKIP_RELOCATE_UBOOT
66  */
67 /* #define SKIP_CONFIG_RELOCATE_UBOOT */
68 
69 /*
70  * Physical Memory Map
71  */
72 #define CONFIG_NR_DRAM_BANKS	1		/* we have 1 bank of DRAM */
73 #define PHYS_SDRAM_1		0x00000000	/* SDRAM Bank #1 */
74 #define PHYS_SDRAM_1_SIZE	0x08000000	/* 128 MB */
75 #define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM_1
76 #define CONFIG_SYS_INIT_RAM_SIZE PHYS_SDRAM_1_SIZE
77 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \
78 				    CONFIG_SYS_INIT_RAM_SIZE - \
79 				    GENERATED_GBL_DATA_SIZE)
80 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
81 
82 /*
83  * FLASH and environment organization
84  * Top varies according to amount fitted
85  * Reserve top 4 blocks of flash
86  * - ARM Boot Monitor
87  * - Unused
88  * - SIB block
89  * - U-Boot environment
90  */
91 #define CONFIG_SYS_FLASH_CFI		1
92 #define CONFIG_FLASH_CFI_DRIVER		1
93 #define CONFIG_SYS_FLASH_BASE		0x24000000
94 #define CONFIG_SYS_MAX_FLASH_BANKS	1
95 
96 /* Timeout values in ticks */
97 #define CONFIG_SYS_FLASH_ERASE_TOUT	(2 * CONFIG_SYS_HZ) /* Erase Timeout */
98 #define CONFIG_SYS_FLASH_WRITE_TOUT	(2 * CONFIG_SYS_HZ) /* Write Timeout */
99 #define CONFIG_SYS_FLASH_PROTECTION	/* The devices have real protection */
100 #define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
101