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Stefan Roeseb02f76a2018-08-16 15:27:30 +02001/* 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 */
Stefan Roesefdceb0d2019-01-31 07:24:43 +010010#define CONFIG_SYS_MIPS_TIMER_FREQ 290000000
Stefan Roeseb02f76a2018-08-16 15:27:30 +020011
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
Weijie Gao757cbbe2020-04-21 09:28:48 +020019/* SPL */
20#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
Stefan Roeseb02f76a2018-08-16 15:27:30 +020021#define CONFIG_SKIP_LOWLEVEL_INIT
22#endif
23
Weijie Gao757cbbe2020-04-21 09:28:48 +020024#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
25#define CONFIG_SPL_BSS_START_ADDR 0x80010000
26#define CONFIG_SPL_BSS_MAX_SIZE 0x10000
27#define CONFIG_SPL_MAX_SIZE 0x10000
28#define CONFIG_SPL_PAD_TO 0
29
30/* Dummy value */
31#define CONFIG_SYS_UBOOT_BASE 0
32
33/* Serial SPL */
34#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_SERIAL_SUPPORT)
35#define CONFIG_SYS_NS16550_MEM32
36#define CONFIG_SYS_NS16550_CLK 40000000
37#define CONFIG_SYS_NS16550_REG_SIZE -4
38#define CONFIG_SYS_NS16550_COM3 0xb0000e00
Weijie Gao757cbbe2020-04-21 09:28:48 +020039
40#endif
41
Stefan Roeseb02f76a2018-08-16 15:27:30 +020042/* UART */
43#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, \
Weijie Gao443a2062019-09-25 17:45:42 +080044 230400, 460800, 921600 }
Stefan Roeseb02f76a2018-08-16 15:27:30 +020045
46/* RAM */
Stefan Roeseb02f76a2018-08-16 15:27:30 +020047
48/* Memory usage */
49#define CONFIG_SYS_MAXARGS 64
50#define CONFIG_SYS_MALLOC_LEN (1024 * 1024)
51#define CONFIG_SYS_BOOTPARAMS_LEN (128 * 1024)
52#define CONFIG_SYS_CBSIZE 512
53
54/* U-Boot */
55#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
56
57/* Environment settings */
Stefan Roeseb02f76a2018-08-16 15:27:30 +020058
59/*
60 * Environment is right behind U-Boot in flash. Make sure U-Boot
61 * doesn't grow into the environment area.
62 */
63#define CONFIG_BOARD_SIZE_LIMIT CONFIG_ENV_OFFSET
64
65#endif /* __CONFIG_LINKIT_SMART_7688_H */