include/configs/stm32mp1.h

   1 /*
   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
  21 /*
  22  * malloc() pool size
  23  */
  24 #define CONFIG_SYS_MALLOC_LEN                   SZ_32M
  25
  26 /*
  27  * Configuration of the external SRAM memory used by U-Boot
  28  */
  29 #define CONFIG_SYS_SDRAM_BASE                   STM32_DDR_BASE
  30 #define CONFIG_SYS_INIT_SP_ADDR                 CONFIG_SYS_TEXT_BASE
  31
  32 #define CONFIG_NR_DRAM_BANKS    1
  33
  34 /*
  35  * Console I/O buffer size
  36  */
  37 #define CONFIG_SYS_CBSIZE                       SZ_1K
  38
  39 /*
  40  * Needed by "loadb"
  41  */
  42 #define CONFIG_SYS_LOAD_ADDR                    STM32_DDR_BASE
  43
  44 /*
  45  * Env parameters
  46  */
  47 #define CONFIG_ENV_SIZE                         SZ_4K
  48
  49 /* ATAGs */
  50 #define CONFIG_CMDLINE_TAG
  51 #define CONFIG_SETUP_MEMORY_TAGS
  52 #define CONFIG_INITRD_TAG
  53
  54 /* SPL support */
  55 #ifdef CONFIG_SPL
  56 /* BOOTROM load address */
  57 #define CONFIG_SPL_TEXT_BASE            0x2FFC2500
  58 /* SPL use DDR */
  59 #define CONFIG_SPL_BSS_START_ADDR       0xC0200000
  60 #define CONFIG_SPL_BSS_MAX_SIZE         0x00100000
  61 #define CONFIG_SYS_SPL_MALLOC_START     0xC0300000
  62 #define CONFIG_SYS_SPL_MALLOC_SIZE      0x00100000
  63
  64 /* limit SYSRAM usage to first 128 KB */
  65 #define CONFIG_SPL_MAX_SIZE             0x00020000
  66 #define CONFIG_SPL_STACK                (STM32_SYSRAM_BASE + \
  67                                          STM32_SYSRAM_SIZE)
  68 #endif /* #ifdef CONFIG_SPL */
  69
  70 /*MMC SD*/
  71 #define CONFIG_SYS_MMC_MAX_DEVICE       3
  72 #define CONFIG_SUPPORT_EMMC_BOOT
  73
  74 #if !defined(CONFIG_SPL) || !defined(CONFIG_SPL_BUILD)
  75
  76 #define BOOT_TARGET_DEVICES(func) \
  77         func(MMC, mmc, 1) \
  78         func(MMC, mmc, 0) \
  79         func(MMC, mmc, 2)
  80
  81 #include <config_distro_bootcmd.h>
  82
  83 #define STM32MP_PREBOOT \
  84         "echo \"Boot over ${boot_device}${boot_instance}!\"; " \
  85         "if test \"${boot_device}\" = \"mmc\"; then " \
  86                 "env set boot_targets \"mmc${boot_instance}\"; "\
  87         "fi;"
  88
  89 #define CONFIG_EXTRA_ENV_SETTINGS \
  90         "scriptaddr=0xC0000000\0" \
  91         "pxefile_addr_r=0xC0000000\0" \
  92         "kernel_addr_r=0xC1000000\0" \
  93         "fdt_addr_r=0xC4000000\0" \
  94         "ramdisk_addr_r=0xC4100000\0" \
  95         "fdt_high=0xffffffff\0" \
  96         "initrd_high=0xffffffff\0" \
  97         "preboot=" STM32MP_PREBOOT "\0" \
  98         BOOTENV
  99
 100 #endif /* ifndef CONFIG_SPL_BUILD */
 101
 102 #endif /* __CONFIG_H */