1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2018 Stefan Roese <sr@denx.de>
4  */
5 
6 #ifndef __CONFIG_LINKIT_SMART_7688_H
7 #define __CONFIG_LINKIT_SMART_7688_H
8 
9 /* CPU */
10 #define CONFIG_SYS_MIPS_TIMER_FREQ	200000000
11 
12 /* RAM */
13 #define CONFIG_SYS_SDRAM_BASE		0x80000000
14 
15 #define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE + 0x100000
16 
17 #define CONFIG_SYS_INIT_SP_OFFSET	0x400000
18 
19 #ifdef CONFIG_BOOT_RAM
20 #define CONFIG_SKIP_LOWLEVEL_INIT
21 #endif
22 
23 /* UART */
24 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, \
25 					  230400, 500000, 1500000 }
26 
27 /* RAM */
28 #define CONFIG_SYS_MEMTEST_START	0x80100000
29 #define CONFIG_SYS_MEMTEST_END		0x80400000
30 
31 /* Memory usage */
32 #define CONFIG_SYS_MAXARGS		64
33 #define CONFIG_SYS_MALLOC_LEN		(1024 * 1024)
34 #define CONFIG_SYS_BOOTPARAMS_LEN	(128 * 1024)
35 #define CONFIG_SYS_CBSIZE		512
36 
37 /* U-Boot */
38 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_TEXT_BASE
39 
40 /* Environment settings */
41 #define CONFIG_ENV_OFFSET		0x40000
42 #define CONFIG_ENV_SIZE			(16 << 10)
43 #define CONFIG_ENV_SECT_SIZE		(64 << 10)
44 
45 /*
46  * Environment is right behind U-Boot in flash. Make sure U-Boot
47  * doesn't grow into the environment area.
48  */
49 #define CONFIG_BOARD_SIZE_LIMIT		CONFIG_ENV_OFFSET
50 
51 #endif /* __CONFIG_LINKIT_SMART_7688_H */
52