upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/include/configs/ls1012afrdm.h

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2016 Freescale Semiconductor, Inc.
*/
#ifndef __LS1012ARDB_H__
#define __LS1012ARDB_H__
#include "ls1012a_common.h"
/* DDR */
#define CONFIG_DIMM_SLOTS_PER_CTLR 1
#define CONFIG_CHIP_SELECTS_PER_CTRL 1
#define CONFIG_SYS_SDRAM_SIZE 0x20000000
#define CONFIG_CHIP_SELECTS_PER_CTRL 1
#define CONFIG_CMD_MEMINFO
#define CONFIG_SYS_MEMTEST_START 0x80000000
#define CONFIG_SYS_MEMTEST_END 0x9fffffff
#ifndef CONFIG_SPL_BUILD
#undef BOOT_TARGET_DEVICES
#define BOOT_TARGET_DEVICES(func) \
func(USB, usb, 0)
#endif
#undef CONFIG_EXTRA_ENV_SETTINGS
#define CONFIG_EXTRA_ENV_SETTINGS \
"verify=no\0" \
"fdt_high=0xffffffffffffffff\0" \
"initrd_high=0xffffffffffffffff\0" \
"fdt_addr=0x00f00000\0" \
"kernel_addr=0x01000000\0" \
"scriptaddr=0x80000000\0" \
"fdtheader_addr_r=0x80100000\0" \
"kernelheader_addr_r=0x80200000\0" \
"kernel_addr_r=0x96000000\0" \
"fdt_addr_r=0x90000000\0" \
"load_addr=0x96000000\0" \
"kernel_size=0x2800000\0" \
"console=ttyS0,115200\0" \
BOOTENV \
"boot_scripts=ls1012afrdm_boot.scr\0" \
"scan_dev_for_boot_part=" \
"part list ${devtype} ${devnum} devplist; " \
"env exists devplist || setenv devplist 1; " \
"for distro_bootpart in ${devplist}; do " \
"if fstype ${devtype} " \
"${devnum}:${distro_bootpart} " \
"bootfstype; then " \
"run scan_dev_for_boot; " \
"fi; " \
"done\0" \
"scan_dev_for_boot=" \
"echo Scanning ${devtype} " \
"${devnum}:${distro_bootpart}...; " \
"for prefix in ${boot_prefixes}; do " \
"run scan_dev_for_scripts; " \
"done;" \
"\0" \
"installer=load usb 0:2 $load_addr " \
"/flex_installer_arm64.itb; " \
"bootm $load_addr#$board\0" \
"qspi_bootcmd=echo Trying load from qspi..;" \
"sf probe && sf read $load_addr " \
"$kernel_addr $kernel_size && bootm $load_addr#$board\0"
#undef CONFIG_BOOTCOMMAND
#define CONFIG_BOOTCOMMAND "pfe stop;run distro_bootcmd;run qspi_bootcmd"
#define CONFIG_CMD_MEMINFO
#define CONFIG_SYS_MEMTEST_START 0x80000000
#define CONFIG_SYS_MEMTEST_END 0x9fffffff
#endif /* __LS1012ARDB_H__ */