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