blob: aea0d9855bb6b782ce4ec43dda932cf0030cb337 [file] [log] [blame]
Tom Rini4549e782018-05-06 18:27:01 -04001/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
Patrick Delaunayf8598d92018-03-12 10:46:18 +01002/*
3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
4 *
5 * Configuration settings for the STM32MP15x CPU
Patrick Delaunayf8598d92018-03-12 10:46:18 +01006 */
7
8#ifndef __CONFIG_H
9#define __CONFIG_H
10#include <linux/sizes.h>
11#include <asm/arch/stm32.h>
12
13#define CONFIG_PREBOOT
14
15/*
16 * Number of clock ticks in 1 sec
17 */
18#define CONFIG_SYS_HZ 1000
Patrick Delaunayf8598d92018-03-12 10:46:18 +010019
20/*
21 * malloc() pool size
22 */
23#define CONFIG_SYS_MALLOC_LEN SZ_32M
24
25/*
26 * Configuration of the external SRAM memory used by U-Boot
27 */
28#define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE
29#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE
30
31#define CONFIG_NR_DRAM_BANKS 1
32
33/*
34 * Console I/O buffer size
35 */
36#define CONFIG_SYS_CBSIZE SZ_1K
37
38/*
39 * Needed by "loadb"
40 */
41#define CONFIG_SYS_LOAD_ADDR STM32_DDR_BASE
42
43/*
44 * Env parameters
45 */
46#define CONFIG_ENV_SIZE SZ_4K
47
48/* ATAGs */
49#define CONFIG_CMDLINE_TAG
50#define CONFIG_SETUP_MEMORY_TAGS
51#define CONFIG_INITRD_TAG
52
53/* SPL support */
54#ifdef CONFIG_SPL
55/* BOOTROM load address */
56#define CONFIG_SPL_TEXT_BASE 0x2FFC2500
57/* SPL use DDR */
58#define CONFIG_SPL_BSS_START_ADDR 0xC0200000
59#define CONFIG_SPL_BSS_MAX_SIZE 0x00100000
60#define CONFIG_SYS_SPL_MALLOC_START 0xC0300000
61#define CONFIG_SYS_SPL_MALLOC_SIZE 0x00100000
62
63/* limit SYSRAM usage to first 128 KB */
64#define CONFIG_SPL_MAX_SIZE 0x00020000
65#define CONFIG_SPL_STACK (STM32_SYSRAM_BASE + \
66 STM32_SYSRAM_SIZE)
67#endif /* #ifdef CONFIG_SPL */
68
69/*MMC SD*/
70#define CONFIG_SYS_MMC_MAX_DEVICE 3
Patrick Delaunay0ed232b2018-03-20 10:54:52 +010071#define CONFIG_SUPPORT_EMMC_BOOT
Patrick Delaunayf8598d92018-03-12 10:46:18 +010072
73#if !defined(CONFIG_SPL) || !defined(CONFIG_SPL_BUILD)
74
75#define BOOT_TARGET_DEVICES(func) \
76 func(MMC, mmc, 1) \
77 func(MMC, mmc, 0) \
78 func(MMC, mmc, 2)
79
80#include <config_distro_bootcmd.h>
81
Patrick Delaunay11dfd1a2018-03-20 10:54:54 +010082#define STM32MP_PREBOOT \
83 "echo \"Boot over ${boot_device}${boot_instance}!\"; " \
84 "if test \"${boot_device}\" = \"mmc\"; then " \
85 "env set boot_targets \"mmc${boot_instance}\"; "\
86 "fi;"
87
Patrick Delaunayf8598d92018-03-12 10:46:18 +010088#define CONFIG_EXTRA_ENV_SETTINGS \
89 "scriptaddr=0xC0000000\0" \
90 "pxefile_addr_r=0xC0000000\0" \
91 "kernel_addr_r=0xC1000000\0" \
92 "fdt_addr_r=0xC4000000\0" \
93 "ramdisk_addr_r=0xC4100000\0" \
94 "fdt_high=0xffffffff\0" \
95 "initrd_high=0xffffffff\0" \
Patrick Delaunay11dfd1a2018-03-20 10:54:54 +010096 "preboot=" STM32MP_PREBOOT "\0" \
Patrick Delaunayf8598d92018-03-12 10:46:18 +010097 BOOTENV
98
99#endif /* ifndef CONFIG_SPL_BUILD */
100
101#endif /* __CONFIG_H */