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
  18 /* FIXME: This should be loaded from device tree... */
  19 #define CONFIG_SYS_L2_PL310
  20 #define CONFIG_SYS_PL310_BASE           0xa0412000
  21
  22 /* Generate initrd atag for downstream kernel (others are copied in stemmy.c) */
  23 #define CONFIG_INITRD_TAG
  24
  25 /* Linux does not boot if FDT / initrd is loaded to end of RAM */
  26 #define BOOT_ENV \
  27         "fdt_high=0x6000000\0" \
  28         "initrd_high=0x6000000\0"
  29
  30 #define CONSOLE_ENV \
  31         "stdin=serial\0" \
  32         "stdout=serial,vidconsole\0" \
  33         "stderr=serial,vidconsole\0"
  34
  35 #define FASTBOOT_ENV \
  36         "fastboot_partition_alias_boot=Kernel\0" \
  37         "fastboot_partition_alias_recovery=Kernel2\0" \
  38         "fastboot_partition_alias_system=SYSTEM\0" \
  39         "fastboot_partition_alias_cache=CACHEFS\0" \
  40         "fastboot_partition_alias_hidden=HIDDEN\0" \
  41         "fastboot_partition_alias_userdata=DATAFS\0"
  42
  43 #define BOOTCMD_ENV \
  44         "fastbootcmd=echo '*** FASTBOOT MODE ***'; fastboot usb 0\0"
  45
  46 #define CONFIG_EXTRA_ENV_SETTINGS \
  47         BOOT_ENV \
  48         CONSOLE_ENV \
  49         FASTBOOT_ENV \
  50         BOOTCMD_ENV
  51
  52 #endif