board/amlogic/env/linux.env

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
*/
/*
* uboot text based env
* more details: https://u-boot.readthedocs.io/en/latest/usage/environment.html
* or: v2023 doc/usage/environment.rst
*/
firstboot=0
lock=10101000
silent=0
upgrade_step=0
jtag=disable
loadaddr=0x001000000
os_ident_addr=0x00500000
loadaddr_rtos=0x00080000
loadaddr_kernel=0x03080000
dv_fw_addr=0xa00000
otg_device=1
fdt_high=0x20000000
EnableSelinux=enforcing
recovery_offset=0
osd_reverse=0
video_reverse=0
active_slot=normal
boot_flag=0
write_boot=0
fb_addr=0x00300000


#ifdef CONFIG_KNL_LOG_LEVEL
loglevel=CONFIG_KNL_LOG_LEVEL
#else
loglevel=8
#endif//ifdef CONFIG_KNL_LOG_LEVEL

#ifdef CONFIG_DTB_BIND_KERNEL	//load dtb from kernel, such as boot partition
common_dtb_load=imgread dtb ${boot_part} ${dtb_mem_addr}
#else
common_dtb_load=imgread dtb _aml_dtb ${dtb_mem_addr}
#endif//#ifdef CONFIG_DTB_BIND_KERNEL	//load dtb from kernel, such as boot partition

get_os_type=if store read ${os_ident_addr} ${boot_part} 0 0x1000; then os_ident ${os_ident_addr}; fi
fatload_dev=usb
fs_type=rootfstype=ramfs
upgrade_check=
	echo recovery_status=${recovery_status};
	if itest.s "${recovery_status}" == "in_progress"; then
		run storeargs; run recovery_from_flash;
	else fi;
	echo upgrade_step=${upgrade_step};
	if itest ${upgrade_step} == 3; then run storeargs; run update; fi;

initargs=init=/init ramoops.pstore_en=1 ramoops.record_size=0x8000 ramoops.console_size=0x4000 loop.max_part=4

storeargs=
	get_bootloaderversion;
	setenv bootargs ${initargs}
		loglevel=${loglevel} console=ttyS0,${baudrate} no_console_suspend earlycon=aml_uart,${uart_base}
		${fs_type} otg_device=${otg_device}
		logo=${display_layer},loaded,${fb_addr} vout=${outputmode},enable panel_type=${panel_type}
		hdmitx=${cecconfig},${colorattribute} hdmimode=${hdmimode}
		hdmichecksum=${hdmichecksum} dolby_vision_on=${dolby_vision_on}
		hdr_policy=${hdr_policy} hdr_priority=${hdr_priority}
		frac_rate_policy=${frac_rate_policy} hdmi_read_edid=${hdmi_read_edid} cvbsmode=${cvbsmode}
		osd_reverse=${osd_reverse} video_reverse=${video_reverse} irq_check_en=${Irq_check_en}
		jtag=${jtag};
	run cmdline_keys;

switch_bootmode=
	get_rebootmode;
	if test ${reboot_mode} = factory_reset; then run recovery_from_flash;
	else if test ${reboot_mode} = update; then run update;
	else if test ${reboot_mode} = quiescent; then
		setenv bootargs ${bootargs} androidboot.quiescent=1;
	else if test ${reboot_mode} = recovery_quiescent; then
		setenv bootargs ${bootargs} androidboot.quiescent=1;
		run recovery_from_flash;
	else if test ${reboot_mode} = cold_boot; then
	else if test ${reboot_mode} = fastboot; then fastboot 0; fi;
	fi;fi;fi;fi;fi;

storeboot=
	run get_os_type;
	run storage_param;
	if test ${os_type} = rtos; then
		setenv loadaddr ${loadaddr_rtos};
		store read ${loadaddr} ${boot_part} 0 0x400000;
		bootm ${loadaddr};
	else if test ${os_type} = kernel; then
		get_avb_mode;
		if fdt addr ${dtb_mem_addr}; then else echo retry common dtb; run common_dtb_load; fi;
		setenv loadaddr ${loadaddr_kernel};
		if imgread kernel ${boot_part} ${loadaddr}; then bootm ${loadaddr}; fi;
	else echo wrong OS format ${os_type}; fi;fi;
	echo try upgrade as booting failure; run update;

update=
	/*first usb burning, second sdc_burn, third ext-sd autoscr/recovery, last udisk autoscr/recovery*/\
	run usb_burning;
	run recovery_from_sdcard;
	run recovery_from_udisk;
	run recovery_from_flash;

recovery_from_fat_dev=
	setenv loadaddr ${loadaddr_kernel};
	if fatload ${fatload_dev} 0 ${loadaddr} aml_autoscript; then autoscr ${loadaddr}; fi;
	if fatload ${fatload_dev} 0 ${loadaddr} recovery.img; then
		if fatload ${fatload_dev} 0 ${dtb_mem_addr} dtb.img; then echo ${fatload_dev} dtb.img loaded; fi;
		setenv bootargs ${bootargs} ${fs_type};
		bootm ${loadaddr};
	fi;
recovery_from_udisk=
	setenv fatload_dev usb;
	if usb start 0; then run recovery_from_fat_dev; fi;
recovery_from_sdcard=
	setenv fatload_dev mmc;
	if mmcinfo; then run recovery_from_fat_dev; fi;

recovery_from_flash=
	echo active_slot: ${active_slot};
	setenv loadaddr ${loadaddr_kernel};
	if test ${active_slot} = normal; then
		setenv bootargs ${bootargs} ${fs_type} aml_dt=${aml_dt}
			recovery_part=${recovery_part} recovery_offset=${recovery_offset};
		if test ${upgrade_step} = 3; then
			if ext4load mmc 1:2 ${dtb_mem_addr} /recovery/dtb.img; then echo cache dtb.img loaded; fi;
			if test ${vendor_boot_mode} = true; then
				if imgread kernel ${recovery_part} ${loadaddr} ${recovery_offset}; then bootm ${loadaddr}; fi;
			else
				if ext4load mmc 1:2 ${loadaddr} /recovery/recovery.img; then
					echo cache recovery.img loaded; bootm ${loadaddr};
				fi;
			fi;
		else
			if imgread dtb recovery ${dtb_mem_addr}; then
				else echo restore dtb; run common_dtb_load;
			fi;
		fi;
		if imgread kernel ${recovery_part} ${loadaddr} ${recovery_offset}; then bootm ${loadaddr}; fi;
	else
		echo "active_slot ${active_slot} not supported";
	fi;

bcb_cmd=
	get_avb_mode;
	get_valid_slot;
	if test ${vendor_boot_mode} = true; then
		setenv loadaddr_kernel 0x3000000;
		setenv dtb_mem_addr 0x1000000;
	fi;
	if test ${active_slot} != "normal"; then
		echo ab mode, read dtb from kernel;
		setenv common_dtb_load imgread dtb ${boot_part} ${dtb_mem_addr};
	fi;

load_bmp_logo=
	if imgread pic logo bootup $loadaddr; then bmp display $bootup_offset; fi;

init_display=
	get_rebootmode;
	echo reboot_mode:::: ${reboot_mode};
	if test ${reboot_mode} = quiescent; then
		setenv reboot_mode_android "quiescent";
		setenv dolby_status 0;
		setenv dolby_vision_on 0;
		setenv bootargs ${bootargs} androidboot.quiescent=1;
		osd open;osd clear;
	else if test ${reboot_mode} = recovery_quiescent; then
		setenv reboot_mode_android "quiescent";
		setenv dolby_status 0;
		setenv dolby_vision_on 0;
		setenv bootargs ${bootargs} androidboot.quiescent=1;
		osd open;osd clear;
	else
		setenv reboot_mode_android "normal";
	fi;fi;

storage_param=
	setenv bootargs ${bootargs} ${emmc_quirks};
	store param;
	setenv bootargs ${bootargs} ${mtdbootparts};

cmdline_keys=
	setenv region_code US;
	if keyman init 0x1234; then
		if keyman read usid ${loadaddr} str; then
			setenv bootargs ${bootargs} androidboot.serialno=${usid};
			setenv serial ${usid}; setenv serial# ${usid};
		else
			setenv bootargs ${bootargs} androidboot.serialno=ap222${cpu_id};
			setenv serial ap222${cpu_id}; setenv serial# ap222${cpu_id};
		fi;
		if keyman read region_code ${loadaddr} str; then fi;
		if keyman read mac ${loadaddr} str; then
			setenv bootargs ${bootargs} mac=${mac} androidboot.mac=${mac};
		fi;
		if keyman read deviceid ${loadaddr} str; then
			setenv bootargs ${bootargs} androidboot.deviceid=${deviceid};
		fi;
	fi;
	setenv bootargs ${bootargs} androidboot.wificountrycode=${region_code};
	factory_provision init;

upgrade_key=
	if gpio input GPIOD_2; then
		echo detect upgrade key; run update;
	fi;