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Patrick Delaunayf8598d92018-03-12 10:46:18 +01001/*
2 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
3 *
4 * Configuration settings for the STM32MP15x CPU
5 *
6 * SPDX-License-Identifier: GPL-2.0+ BSD-3-Clause
7 */
8
9#ifndef __CONFIG_H
10#define __CONFIG_H
11#include <linux/sizes.h>
12#include <asm/arch/stm32.h>
13
14#define CONFIG_PREBOOT
15
16/*
17 * Number of clock ticks in 1 sec
18 */
19#define CONFIG_SYS_HZ 1000
20#define CONFIG_SYS_ARCH_TIMER
Patrick Delaunayf8598d92018-03-12 10:46:18 +010021
22/*
23 * malloc() pool size
24 */
25#define CONFIG_SYS_MALLOC_LEN SZ_32M
26
27/*
28 * Configuration of the external SRAM memory used by U-Boot
29 */
30#define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE
31#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE
32
33#define CONFIG_NR_DRAM_BANKS 1
34
35/*
36 * Console I/O buffer size
37 */
38#define CONFIG_SYS_CBSIZE SZ_1K
39
40/*
41 * Needed by "loadb"
42 */
43#define CONFIG_SYS_LOAD_ADDR STM32_DDR_BASE
44
45/*
46 * Env parameters
47 */
48#define CONFIG_ENV_SIZE SZ_4K
49
50/* ATAGs */
51#define CONFIG_CMDLINE_TAG
52#define CONFIG_SETUP_MEMORY_TAGS
53#define CONFIG_INITRD_TAG
54
55/* SPL support */
56#ifdef CONFIG_SPL
57/* BOOTROM load address */
58#define CONFIG_SPL_TEXT_BASE 0x2FFC2500
59/* SPL use DDR */
60#define CONFIG_SPL_BSS_START_ADDR 0xC0200000
61#define CONFIG_SPL_BSS_MAX_SIZE 0x00100000
62#define CONFIG_SYS_SPL_MALLOC_START 0xC0300000
63#define CONFIG_SYS_SPL_MALLOC_SIZE 0x00100000
64
65/* limit SYSRAM usage to first 128 KB */
66#define CONFIG_SPL_MAX_SIZE 0x00020000
67#define CONFIG_SPL_STACK (STM32_SYSRAM_BASE + \
68 STM32_SYSRAM_SIZE)
69#endif /* #ifdef CONFIG_SPL */
70
71/*MMC SD*/
72#define CONFIG_SYS_MMC_MAX_DEVICE 3
Patrick Delaunay0ed232b2018-03-20 10:54:52 +010073#define CONFIG_SUPPORT_EMMC_BOOT
Patrick Delaunayf8598d92018-03-12 10:46:18 +010074
75#if !defined(CONFIG_SPL) || !defined(CONFIG_SPL_BUILD)
76
77#define BOOT_TARGET_DEVICES(func) \
78 func(MMC, mmc, 1) \
79 func(MMC, mmc, 0) \
80 func(MMC, mmc, 2)
81
82#include <config_distro_bootcmd.h>
83
Patrick Delaunay11dfd1a2018-03-20 10:54:54 +010084#define STM32MP_PREBOOT \
85 "echo \"Boot over ${boot_device}${boot_instance}!\"; " \
86 "if test \"${boot_device}\" = \"mmc\"; then " \
87 "env set boot_targets \"mmc${boot_instance}\"; "\
88 "fi;"
89
Patrick Delaunayf8598d92018-03-12 10:46:18 +010090#define CONFIG_EXTRA_ENV_SETTINGS \
91 "scriptaddr=0xC0000000\0" \
92 "pxefile_addr_r=0xC0000000\0" \
93 "kernel_addr_r=0xC1000000\0" \
94 "fdt_addr_r=0xC4000000\0" \
95 "ramdisk_addr_r=0xC4100000\0" \
96 "fdt_high=0xffffffff\0" \
97 "initrd_high=0xffffffff\0" \
Patrick Delaunay11dfd1a2018-03-20 10:54:54 +010098 "preboot=" STM32MP_PREBOOT "\0" \
Patrick Delaunayf8598d92018-03-12 10:46:18 +010099 BOOTENV
100
101#endif /* ifndef CONFIG_SPL_BUILD */
102
103#endif /* __CONFIG_H */