Lakka-LibreELEC/projects/L4T/devices/Switch/packages/switch-bootloader/assets/boot.txt

# Set defaults env variables if they do not exist.
setenv boot_dir @DISTRO_PATH@
test -n ${id}                            || setenv id @DISTRO_ID@ 
test -n ${fbconsole}                     || setenv fbconsole 9
test -n ${uart_port}                     || setenv uart_port 0
test -n ${earlycon}                      || setenv earlycon 0
test -n ${r2p_action}                    || setenv r2p_action self
test -n ${autoboot}                      || setenv autoboot 0
test -n ${autoboot_list}                 || setenv autoboot_list 0
test -n ${als_enable}                    || setenv als_enable 1
test -n ${usb3_enable}                   || setenv usb3_enable 0
test -n ${4k60_disable}                  || setenv 4k60_disable 0
test -n ${dvfsb}                         || setenv dvfsb 0
test -n ${gpu_dvfsc}                     || setenv gpu_dvfsc 0
test -n ${limit_gpu_clk}                 || setenv limit_gpu_clk 0
test -n ${jc_rail_disable}               || setenv jc_rail_disable 0
test -n ${cec_enable}                    || setenv cec_enable 0
test -n ${performance_mode}              || setenv performance_mode 0
test -n ${dock_freq_switch_enabled}      || setenv dock_freq_switch_enabled 0
test -n ${touch_skip_tuning}             || setenv touch_skip_tuning 0
test -n ${wifi_disable_vht80}            || setenv wifi_disable_vht80 0

# Built-in IMU.
test -n ${acc_cal_off_x}        || setenv acc_cal_off_x 0x0
test -n ${acc_cal_off_y}        || setenv acc_cal_off_y 0x0
test -n ${acc_cal_off_z}        || setenv acc_cal_off_z 0x0
test -n ${acc_cal_scl_x}        || setenv acc_cal_scl_x 0x0
test -n ${acc_cal_scl_y}        || setenv acc_cal_scl_y 0x0
test -n ${acc_cal_scl_z}        || setenv acc_cal_scl_z 0x0
test -n ${gyr_cal_off_x}        || setenv gyr_cal_off_x 0x0
test -n ${gyr_cal_off_y}        || setenv gyr_cal_off_y 0x0
test -n ${gyr_cal_off_z}        || setenv gyr_cal_off_z 0x0
test -n ${gyr_cal_scl_x}        || setenv gyr_cal_scl_x 0x0
test -n ${gyr_cal_scl_y}        || setenv gyr_cal_scl_y 0x0
test -n ${gyr_cal_scl_z}        || setenv gyr_cal_scl_z 0x0

# Lite Gamepad analog sticks calibration.
test -n ${lite_cal_lx_lof}      || setenv lite_cal_lx_lof 0x0
test -n ${lite_cal_lx_cnt}      || setenv lite_cal_lx_cnt 0x0
test -n ${lite_cal_lx_rof}      || setenv lite_cal_lx_rof 0x0
test -n ${lite_cal_ly_dof}      || setenv lite_cal_ly_dof 0x0
test -n ${lite_cal_ly_cnt}      || setenv lite_cal_ly_cnt 0x0
test -n ${lite_cal_ly_uof}      || setenv lite_cal_ly_uof 0x0

test -n ${lite_cal_rx_lof}      || setenv lite_cal_rx_lof 0x0
test -n ${lite_cal_rx_cnt}      || setenv lite_cal_rx_cnt 0x0
test -n ${lite_cal_rx_rof}      || setenv lite_cal_rx_rof 0x0
test -n ${lite_cal_ry_dof}      || setenv lite_cal_ry_dof 0x0
test -n ${lite_cal_ry_cnt}      || setenv lite_cal_ry_cnt 0x0
test -n ${lite_cal_ry_uof}      || setenv lite_cal_ry_uof 0x0

test -n ${lite_cal_lx_coff}     || setenv lite_cal_lx_coff 0x0
test -n ${lite_cal_ly_coff}     || setenv lite_cal_ly_coff 0xFFFFFF00
test -n ${lite_cal_rx_coff}     || setenv lite_cal_rx_coff 0xFFFFFF00
test -n ${lite_cal_ry_coff}     || setenv lite_cal_ry_coff 0x0

# Set logging params for each serial type.
setenv uarta "no_console_suspend console=ttyS0,115200,8n1 loglevel=8"
setenv uartb "no_console_suspend console=ttyS1,115200,8n1 loglevel=8"
setenv uartc "no_console_suspend console=ttyS2,115200,8n1 loglevel=8"
setenv usblg "usb_logging loglevel=8"
setenv uarta_early "earlycon=uart,mmio32,0x70006000"
setenv uartb_early "earlycon=uart,mmio32,0x70006040"
setenv uartc_early "earlycon=uart,mmio32,0x70006200"

# Default read addresses.
# fdt_addr_r     0x8d000000
# scriptaddr     0x8fe00000
# ramdisk_addr_r 0x92000000

# Set important addresses.
setenv kernload 0xA0000000
setenv initaddr 0x92000000
setenv fdtrload 0xA8000000
setenv fdtraddr 0x8d000000

# Set temp addresses.
setenv enviraddr 0x8d100000
setenv fdtovaddr 0x8d200000


# Set SoC info.
if test ${t210b01} = 1; then setenv plat_info T210B01; else setenv plat_info T210; fi

# Set SKU info. Frig is used instead of Fric for compatibility reasons.
if   test ${sku} = 0; then setenv sku_info ODIN; setenv sku_rev 0
elif test ${sku} = 1; then setenv sku_info ODIN; setenv sku_rev b01
elif test ${sku} = 2; then setenv sku_info VALI; setenv sku_rev 0
elif test ${sku} = 3; then setenv sku_info FRIG; setenv sku_rev 0
fi

# Print platform info.
echo PLAT:   ${plat_info} SKU: ${sku_info}
echo Serial: ${device_serial}
echo BT MAC: ${device_bt_mac}
echo WF MAC: ${device_wifi_mac}


# Load Kernel.
if load mmc 1:1 ${kernload} ${boot_dir}/KERNEL; then echo Kernel loaded
else echoe Kernel read failed!; echoe Rebooting in 10s..; sleep 10; reset; fi

# Load DT img.
if load mmc 1:1 ${fdtrload} ${boot_dir}/nx-plat.dtimg; then echo Device Tree Image loaded
else echoe Device Tree Image read failed!; echoe Rebooting in 10s..; sleep 10; reset; fi


# Get DT from image. If failed, reset.
if dtimg load ${fdtrload} ${sku} ${fdtraddr} fdtrsize; then echo Device Tree for SKU ${sku_info} loaded
else echoe Device Tree load for SKU ${sku_info} failed!; echoe Rebooting in 10s..; sleep 10; reset; fi

# Set dtb address and size from above and resize it enough to fit any change.
fdt addr ${fdtraddr} ${fdtrsize}
fdt resize 16384


# Sanity checks for dtb info.
if test ${sku_info} != ${fdt_id_text} -o ${sku_rev} != ${fdt_rev}; then
	echoe Device Tree loaded not correct! (SKU: ${fdt_id_text}, Rev: ${fdt_rev})
	echoe Expected SKU: ${sku_info}, Rev: ${sku_rev}
	echoe Rebooting in 10s..; sleep 10; reset
fi

# Add additional bootargs for UART Logging.
if   test ${uart_port} = 1; then
	echoe UART-A logging enabled
	setenv bootargs_extra ${bootargs_extra} ${uarta}
	fdt set /serial@70006000 compatible nvidia,tegra20-uart
	fdt set /serial@70006000 status okay

	if test ${earlycon} = 1; then
		echoe Early  logging enabled
		setenv bootargs_extra ${bootargs_extra} ${uarta_early}
		fdt set /serial@70006000 reset-names noreset
	fi
elif test ${uart_port} = 2; then
	echoe UART-B logging enabled
	setenv bootargs_extra ${bootargs_extra} ${uartb}
	fdt set /serial@70006040 compatible nvidia,tegra20-uart
	fdt set /serial@70006040/joyconr status disabled

	if test ${earlycon} = 1; then
		echoe Early  logging enabled
		setenv bootargs_extra ${bootargs_extra} ${uartb_early}
		fdt set /serial@70006040 reset-names noreset
	fi
elif test ${uart_port} = 3; then
	echoe UART-C logging enabled
	setenv bootargs_extra ${bootargs_extra} ${uartc}
	fdt set /serial@70006200 compatible nvidia,tegra20-uart
	fdt set /serial@70006200/joyconl status disabled

	if test ${earlycon} = 1; then
		echoe Early  logging enabled
		setenv bootargs_extra ${bootargs_extra} ${uartc_early}
		fdt set /serial@70006200 reset-names noreset
	fi
fi

# Add additional bootargs for Serial USB.
if test ${uart_port} = 4; then
	setenv bootargs_extra ${usblg} ${bootargs_extra}; echoe USB Serial logging enabled
fi

# Disable Joycon Rails.
if test ${jc_rail_disable} = 1; then
	echoe Joycon Rails disabled
	fdt set /serial@70006040 status disabled
	fdt set /serial@70006040/joyconr status disabled
	fdt set /serial@70006200 status disabled
	fdt set /serial@70006200/joyconl status disabled
fi

# Disable Touch panel tuning.
if test ${touch_skip_tuning} = 1; then
	setenv bootargs_extra ${bootargs_extra} "ftm4.skip_tuning=1"
fi

# Check if SD is initialized in 1-bit mode.
if test "${sd_1bit}" = 1; then
	echoe SD Card is initialized in 1-bit mode!
	fdt set /sdhci@700b0000 bus-width <0x1>
	fdt set /sdhci@700b0000 uhs-mask <0x7F>
fi

# Enable ALS sensor.
if test ${als_enable} = 1; then
	echo ALS sensor enabled
	fdt set /i2c@7000c400/bh1730fvc@29 status okay
fi

# Disable WiFi VHT80 bonding.
if test ${wifi_disable_vht80} = 1; then
	echo WiFi VHT80 bonding disabled
	setenv bootargs_extra ${bootargs_extra} "brcmfmac.vht_mask=12"
fi

# Set Sio calibration data.
if test ${sku} = 2; then
	if load mmc ${devnum}:${distro_bootpart} ${enviraddr} /switchroot/switch.cal; then
		env import -t -r ${enviraddr} ${filesize}
		echo Sio Calibration set
		fdt set /serial@70006200/sio sio-stick-cal-l <$lite_cal_lx_lof $lite_cal_lx_cnt $lite_cal_lx_rof $lite_cal_ly_dof $lite_cal_ly_cnt $lite_cal_ly_uof>
		fdt set /serial@70006200/sio sio-stick-cal-r <$lite_cal_rx_lof $lite_cal_rx_cnt $lite_cal_rx_rof $lite_cal_ry_dof $lite_cal_ry_cnt $lite_cal_ry_uof>
		fdt set /serial@70006200/sio sio-acc-cal <$acc_cal_off_x $acc_cal_off_y $acc_cal_off_z $acc_cal_scl_x $acc_cal_scl_y $acc_cal_scl_z>
		fdt set /serial@70006200/sio sio-gyr-cal <$gyr_cal_off_x $gyr_cal_off_y $gyr_cal_off_z $gyr_cal_scl_x $gyr_cal_scl_y $gyr_cal_scl_z>

		fdt set /serial@70006200/sio sio-stick-cnt-off-l <$lite_cal_lx_coff $lite_cal_ly_coff>
		fdt set /serial@70006200/sio sio-stick-cnt-off-r <$lite_cal_rx_coff $lite_cal_ry_coff>
	fi
fi

# Get display panel handle.
if   test ${display_id} = f20;  then echo Display is INN 6.2; fdt get value DHANDLE /host1x/dsi/panel-i-720p-6-2 phandle
elif test ${display_id} = f30;  then echo Display is AUO 6.2; fdt get value DHANDLE /host1x/dsi/panel-a-720p-6-2 phandle
elif test ${display_id} = 10;   then echo Display is JDI 6.2; fdt get value DHANDLE /host1x/dsi/panel-j-720p-6-2 phandle
elif test ${display_id} = 1020; then echo Display is INN 5.5; fdt get value DHANDLE /host1x/dsi/panel-i-720p-5-5 phandle
elif test ${display_id} = 1030; then echo Display is AUO 5.5; fdt get value DHANDLE /host1x/dsi/panel-a-720p-5-5 phandle
elif test ${display_id} = 1040; then echo Display is SHP 5.5; fdt get value DHANDLE /host1x/dsi/panel-s-720p-5-5 phandle
elif test ${display_id} = 2050; then echo Display is SAM 7.0
else echoe Unknown Display ID: ${display_id}!; fi

# Set new active display panel handle.
if test -n "${DHANDLE}" -a ${sku} != 3; then echo Setting Display panel; fdt set /host1x/dsi nvidia,active-panel <$DHANDLE>; fi

# Disable USB3.
if test ${usb3_enable} = 0; then
	echo USB3 disabled
	fdt get value DHANDLE_USB2 /xusb_padctl@7009f000/pads/usb2/lanes/usb2-0 phandle
	fdt set /xusb@70090000 phys <$DHANDLE_USB2>
	fdt set /xusb@70090000 phy-names usb2-0
	fdt set /xudc@700d0000 phys <$DHANDLE_USB2>
	fdt set /xudc@700d0000 phy-names usb2
	fdt set /xusb_padctl@7009f000 usb3-no-mapping-war <0x1>
	fdt set /xusb_padctl@7009f000/ports/usb2-0 nvidia,usb3-port-fake <0xffffffff>
	fdt set /xusb_padctl@7009f000/ports/usb3-0 status disabled
else
	echoe USB3 enabled
fi

# Disable 4 DP lanes (4K@60) on Fric.
if test ${sku} = 3 -a ${4k60_disable} = 1 -a ${usb3_enable} != 0; then
	echoe 4K60 disabled
	fdt set /i2c@7000c000/bm92t@18 rohm,dp-lanes <2>
fi

# Set battery voltage limit via cell age for Vali.
if test ${sku} = 2 -a -n "${VLIM}"; then
	echo VALI: voltage limits [${VLIM}, ${SOCLIM}]
	if test "${VLIM}" != 1070; then
		# Newer Vali. 4320 mV / 1664 mA.
		fdt set /i2c@7000c000/battery-charger@6b/charger ti,charge-voltage-limit-millivolt <0x$VLIM>
		fdt set /i2c@7000c000/battery-charger@6b/charger ti,charge-thermal-voltage-limit <0x$VLIM 0x$VLIM 0x$VLIM 0xFF0>
		fdt set /i2c@7000c000/battery-gauge@36 maxim,kernel-maximum-soc <0x$SOCLIM>
	else
		# Old Vali. 4208 mV / 1536 mA. (Unreleased?)
		fdt set /i2c@7000c000/battery-charger@6b/charger ti,charge-voltage-limit-millivolt <0x1070>
		fdt set /i2c@7000c000/battery-charger@6b/charger ti,charge-thermal-voltage-limit <0x1070 0x1070 0x1070 0xF70>
		fdt set /i2c@7000c000/battery-charger@6b/charger ti,fast-charge-current-limit-milliamp <0x600>
		fdt set /i2c@7000c000/battery-charger@6b/charger ti,charge-current-limit <0x200 0x240 0x600 0x600>
	fi
fi

# Enable DVFS B-Side.
if test ${t210b01} = 1 -a ${dvfsb} = 1; then
	echoe DVFS B-Side enabled
	setenv bootargs_extra ${bootargs_extra} "speedo_tegra210.sku_id=0x83 speedo_tegra210.cspd_id=2 speedo_tegra210.sspd_id=2"
	fdt set /cpufreq/cpu-scaling-data max-frequency <0x249348>

	if test ${gpu_dvfsc} != 1; then
		setenv bootargs_extra ${bootargs_extra} "speedo_tegra210.gspd_id=2"
	fi

	if test ${sku} = 2; then
		# 2091 MHz CPU and 844 MHz GPU hard limit. Vali.
		fdt set /cpufreq/cpu-scaling-data max-frequency <0x1FE7F8>
		fdt set /dvfs nvidia,gpu-max-freq-khz <0xCE400>
	fi
fi

# Enable GPU DVFS C-Side.
if test ${t210b01} = 1 -a ${gpu_dvfsc} = 1; then
	echoe DVFS C-Side GPU enabled

	if test ${dvfsb} != 1; then
		setenv bootargs_extra ${bootargs_extra} "speedo_tegra210.sku_id=0x83 speedo_tegra210.gspd_id=3"
	else
		setenv bootargs_extra ${bootargs_extra} "speedo_tegra210.gspd_id=3"
	fi
fi

# Limit GPU clock.
if test ${t210b01} = 1 -a ${limit_gpu_clk} = 1; then

	if test ${sku} != 2; then
		# If not Vali set GPU hard limit to 1075 MHz.
		echoe GPU clock limit enabled
		fdt set /dvfs nvidia,gpu-max-freq-khz <0x106800>
	fi
fi

# Set pmic type if special (devboard).
if test ${t210b01} = 1 -a -n "${pmic_type}" -a ${pmic_type} = 1; then
	echoe GPU 15A Regulator enabled
	fdt set /i2c@7000d000/max77812@33 reg <0x31>
	fdt set /i2c@7000d000/max77812@33/m3vout status disabled
	fdt set /i2c@7000d000/fan53528@52 status okay
	fdt set /dvfs nvidia,gpu-max-volt-mv <0x3B6>
fi

# Check if ptsa rework is done.
if test ${t210b01} = 1 -a "${loader_rev}" > 1; then
	echo PTSA rework done
	setenv bootargs_extra ${bootargs_extra} "latency_allowance.ptsa_rework"
fi


# Set serial number.
if test -n ${device_serial};   then fdt set / serial-number ${device_serial}; fi

host_mac_addr=0xff

# load mac address info file
if fatload mmc 1:1 0x90000000 switchroot/joycon_mac.bin; then
    if itest.b *0x90000000 == 0x01; then
        # left joy con is available
        host_mac_addr=0x90000007
    fi

    if itest.b *0x9000001d == 0x02; then
        # right joy con is available
        host_mac_addr=0x90000024
    fi
fi

if itest $host_mac_addr != 0xff; then
	bt_mac=""
	sep=""
	for i in 0 1 2 3 4 5 ; do
	    setexpr x $host_mac_addr + $i
	    setexpr.b b *$x
	    if itest $b <= f; then
	        # There is no way to have leading zeros, so do this hack
	        bt_mac="$bt_mac${sep}0$b"
	    else
	        bt_mac="$bt_mac$sep$b"
	    fi
	    sep=":"
	done

	# Set host bt mac.
	if test -n ${bt_mac}; then fdt set /chosen nvidia,bluetooth-mac ${bt_mac}; fi
else
	# Set host bt mac.
	if test -n ${device_bt_mac}; then fdt set /chosen nvidia,bluetooth-mac ${device_bt_mac}; fi
fi

# Set default wifi mac. initramfs will/can change it.
if test -n ${device_wifi_mac}; then fdt set /chosen nvidia,wifi-mac ${device_wifi_mac}; fi


# Set kernel cmdline.
setenv bootargs ${bootargs_extra} "boot=/dev/mmcblk0p1 BOOT_IMAGE=@DISTRO_PATH@/KERNEL SYSTEM_IMAGE=@DISTRO_PATH@/SYSTEM nofsck fat32-boot \
 dock_freq_switch_enabled=${dock_freq_switch_enabled} performance_mode=${performance_mode} \
 firmware_class.path=/usr/lib/firmware access=m2 \
 pmc_r2p.enabled=1 pmc_r2p.action=${r2p_action} \
 pmc_r2p.param1=${autoboot} pmc_r2p.param2=${autoboot_list} \
 fbcon=map:${fbconsole} consoleblank=0 \
 nvdec_enabled=0 tegra_fbmem=0x400000@0xf5a00000 "

# Boot kernel.
echo Launching Kernel!
bootm ${kernload} - ${fdtraddr}

echoe Failed to launch Kernel!
echoe  
echoe Rebooting in 10s..

sleep 10
reset