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