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