include/configs/stemmy.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Copyright (C) 2019 Stephan Gerhold <stephan@gerhold.net>
   4  */
   5 #ifndef __CONFIGS_STEMMY_H
   6 #define __CONFIGS_STEMMY_H
   7
   8 #include <linux/sizes.h>
   9
  10 /*
  11  * The "stemmy" U-Boot port is designed to be chainloaded by the Samsung
  12  * bootloader on devices based on ST-Ericsson Ux500. Therefore, we skip most
  13  * low-level initialization and rely on configuration provided by the Samsung
  14  * bootloader. New images are loaded at the same address for compatibility.
  15  */
  16 #define CONFIG_SYS_INIT_SP_ADDR         CONFIG_SYS_TEXT_BASE
  17 #define CONFIG_SYS_BOOTM_LEN            SZ_64M
  18
  19 /* FIXME: This should be loaded from device tree... */
  20 #define CONFIG_SYS_L2_PL310
  21 #define CONFIG_SYS_PL310_BASE           0xa0412000
  22
  23 /* Linux does not boot if FDT / initrd is loaded to end of RAM */
  24 #define BOOT_ENV \
  25         "fdt_high=0x6000000\0" \
  26         "initrd_high=0x6000000\0"
  27
  28 #define CONSOLE_ENV \
  29         "stdin=serial\0" \
  30         "stdout=serial,vidconsole\0" \
  31         "stderr=serial,vidconsole\0"
  32
  33 #define FASTBOOT_ENV \
  34         "fastboot_partition_alias_boot=Kernel\0" \
  35         "fastboot_partition_alias_recovery=Kernel2\0" \
  36         "fastboot_partition_alias_system=SYSTEM\0" \
  37         "fastboot_partition_alias_cache=CACHEFS\0" \
  38         "fastboot_partition_alias_hidden=HIDDEN\0" \
  39         "fastboot_partition_alias_userdata=DATAFS\0"
  40
  41 #define BOOTCMD_ENV \
  42         "fastbootcmd=echo '*** FASTBOOT MODE ***'; fastboot usb 0\0"
  43
  44 #define CONFIG_EXTRA_ENV_SETTINGS \
  45         BOOT_ENV \
  46         CONSOLE_ENV \
  47         FASTBOOT_ENV \
  48         BOOTCMD_ENV
  49
  50 #endif