250 lines
8.7 KiB
Plaintext
250 lines
8.7 KiB
Plaintext
# Set defaults for missing env variables.
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setenv boot_dir ${prefix}
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test -n ${loader_rev} || setenv loader_rev 0
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test -n ${id} || setenv id SWANDR
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test -n ${emmc} || setenv emmc 0
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test -n ${fbconsole} || setenv fbconsole 9
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test -n ${uart_port} || setenv uart_port 0
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test -n ${earlycon} || setenv earlycon 0
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test -n ${r2p_action} || setenv r2p_action bootloader
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test -n ${autoboot} || setenv autoboot 0
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test -n ${autoboot_list} || setenv autoboot_list 0
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# Set logging params for each serial type.
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setenv uarta "no_console_suspend console=ttyS0,115200,8n1 loglevel=8 androidboot.console=ttyS0"
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setenv uartb "no_console_suspend console=ttyS1,115200,8n1 loglevel=8 androidboot.console=ttyS1"
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setenv uartc "no_console_suspend console=ttyS2,115200,8n1 loglevel=8 androidboot.console=ttyS2"
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setenv no_args "console=null"
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setenv usblg "usb_logging loglevel=8"
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setenv uarta_early "earlycon=uart,mmio32,0x70006000"
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setenv uartb_early "earlycon=uart,mmio32,0x70006040"
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setenv uartc_early "earlycon=uart,mmio32,0x70006200"
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# Set important addresses.
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setenv kernload 0xA0000000
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setenv initaddr 0x92000000
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setenv fdtrload 0xA8000000
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setenv fdtraddr 0x8d000000
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# Set temp addresses.
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setenv enviraddr 0x8d100000
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setenv fdtovaddr 0x8d200000
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# L4T Loader check. Min rev 4.
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if test "${loader_rev}" < 4; then echoe Old L4T Loader! Update bootloader folder!; echoe Rebooting in 10s..; sleep 10; reset; fi
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# Set SoC info.
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if test ${t210b01} = 1; then setenv plat_info T210B01; else setenv plat_info T210; fi
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# Set SKU info. Frig is used instead of Fric for compatibility reasons.
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if test ${sku} = 0; then setenv sku_info ODIN; setenv sku_rev a00; setenv variant odin
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elif test ${sku} = 1; then setenv sku_info ODIN; setenv sku_rev b01; setenv variant modin
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elif test ${sku} = 2; then setenv sku_info VALI; setenv sku_rev a00; setenv variant vali
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elif test ${sku} = 3; then setenv sku_info FRIG; setenv sku_rev a00; setenv variant fric
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fi
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# Print platform info.
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echo PLAT: ${plat_info} SKU: ${sku_info}
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echo Serial: ${device_serial_restricted}
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echo BT MAC: ${device_bt_mac}
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echo WF MAC: ${device_wifi_mac}
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# Set MMC device.
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setenv mmcnum 1
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if test ${emmc} = 1; then
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echoe emmc enabled
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setenv mmcnum 0
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fi
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mmc dev ${mmcnum}
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# Load Kernel.
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if gpio input 190 && test ${recovery} = "0"; then
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# Normal Kernel.
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if part start mmc ${mmcnum} boot boot_start; then echo Boot partition found
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else echoe Boot partition not found!; echoe Rebooting in 10s..; sleep 10; reset; fi
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part size mmc ${mmcnum} boot boot_size
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else
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# Recovery.
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if part start mmc ${mmcnum} recovery boot_start; then echo Recovery partition found
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else echoe Recovery partition not found!; echoe Rebooting in 10s..; sleep 10; reset; fi
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part size mmc ${mmcnum} recovery boot_size
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echo Applying WAR: USB3 required for recovery
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setenv usb3_enable 1
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fi
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mmc read ${kernload} ${boot_start} ${boot_size};
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# Load DT img.
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if part start mmc ${mmcnum} dtb dtb_start; then echo DTB partition found
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else echoe DTB partition not found!; echoe Rebooting in 10s..; sleep 10; reset; fi
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part size mmc ${mmcnum} dtb dtb_size
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mmc read ${fdtrload} ${dtb_start} ${dtb_size}
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# Check for Super.
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if part start mmc ${mmcnum} super super_start; then echo Super partition found
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else echoe Super partition not found!; echoe Rebooting in 10s..; sleep 10; reset; fi
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# Get DT from image.
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if dtimg load ${fdtrload} ${sku} ${fdtraddr} fdtrsize; then echo Device Tree for SKU ${sku_info} loaded
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else echoe Device Tree load for SKU ${sku_info} failed!; echoe Rebooting in 10s..; sleep 10; reset; fi
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# Load dtb and resize to fit overlays.
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fdt addr ${fdtraddr} ${fdtrsize}
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fdt resize 16384
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# Dtb sanity checks.
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if test ${sku_info} != ${fdt_id_text} -o ${sku_rev} != ${fdt_rev}; then
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echoe Device Tree loaded not correct! (SKU: ${fdt_id_text}, Rev: ${fdt_rev})
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echoe Expected SKU: ${sku_info}, Rev: ${sku_rev}
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echoe Rebooting in 10s..; sleep 10; reset
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fi
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# Patch dtb with overlays if they exist.
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if test -n ${dtb_overlays}; then
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echo loading dtb overlays: ${dtb_overlays}
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for ov in ${dtb_overlays}; do
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echo Setting ${ov}...
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# Check if DT overlay and apply it.
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if load mmc ${devnum}:${distro_bootpart} ${fdtovaddr} ${boot_dir}/overlays/${ov}.dtbo; then
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if fdt apply ${fdtovaddr}; then echo Successfully loaded ${ov}.dtbo...
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else echoe Overlay ${ov}.dtbo loading failed!; echoe Rebooting in 10s..; sleep 10; reset; fi
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fi
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done
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fi
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# UART Logging.
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if test ${uart_port} = 1; then
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echoe UART-A logging enabled
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setenv bootargs_extra ${bootargs_extra} ${uarta}
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fdt set /serial@70006000 compatible nvidia,tegra20-uart
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fdt set /serial@70006000 status okay
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if test ${earlycon} = 1; then
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echoe Early logging enabled
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setenv bootargs_extra ${bootargs_extra} ${uarta_early}
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fdt set /serial@70006000 reset-names noreset
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fi
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elif test ${uart_port} = 2; then
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echoe UART-B logging enabled
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setenv bootargs_extra ${bootargs_extra} ${uartb}
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fdt set /serial@70006040 compatible nvidia,tegra20-uart
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fdt set /serial@70006040/joyconr status disabled
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if test ${earlycon} = 1; then
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echoe Early logging enabled
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setenv bootargs_extra ${bootargs_extra} ${uartb_early}
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fdt set /serial@70006040 reset-names noreset
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fi
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elif test ${uart_port} = 3; then
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echoe UART-C logging enabled
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setenv bootargs_extra ${bootargs_extra} ${uartc}
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fdt set /serial@70006200 compatible nvidia,tegra20-uart
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fdt set /serial@70006200/joyconl status disabled
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if test ${earlycon} = 1; then
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echoe Early logging enabled
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setenv bootargs_extra ${bootargs_extra} ${uartc_early}
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fdt set /serial@70006200 reset-names noreset
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fi
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else
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setenv bootargs_extra ${bootargs_extra} ${no_args}
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fi
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# USB Serial Logging.
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if test ${uart_port} = 4; then setenv bootargs_extra ${usblg} ${bootargs_extra}; echoe USB Serial logging enabled; fi
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# Disable Joycon Rails.
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if test ${jc_rail_disable} = 1; then
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echoe Joycon Rails disabled
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fdt set /serial@70006040 status disabled
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fdt set /serial@70006040/joyconr status disabled
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fdt set /serial@70006200 status disabled
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fdt set /serial@70006200/joyconl status disabled
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fi
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# Disable CEC.
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if test ${sku} = 2 -o ${cec_disable} = 1; then setenv bootargs_extra ${bootargs_extra} "androidboot.cec_disable=1"; fi
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# Disable Touch panel tuning.
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if test ${touch_skip_tuning} = 1; then setenv bootargs_extra ${bootargs_extra} "ftm4.skip_tuning=1"; fi
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# Disable Bluetooth ERTM.
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if test ${bt_ertm_disable} = 1; then setenv bootargs_extra ${bootargs_extra} "bluetooth.disable_ertm=1"; fi
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# Enable eMMC.
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if test ${emmc} = 1; then
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fdt set /mmc@700b0600 status okay
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fdt set /firmware/android boot_devices 700b0600.mmc
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# Check if eMMC is initialized in 1-bit mode.
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if test "${mmc_1bit}" = 1; then
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echoe eMMC is initialized in 1-bit mode!
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fdt set /mmc@700b0600 bus-width <0x1>
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fdt set /mmc@700b0600 uhs-mask <0x7F>
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fi
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else
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fdt set /firmware/android boot_devices 700b0000.mmc
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fi
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# Check if SD is initialized in 1-bit mode.
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if test "${sd_1bit}" = 1; then
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echoe SD Card is initialized in 1-bit mode!
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fdt set /mmc@700b0600 bus-width <0x1>
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fdt set /mmc@700b0600 uhs-mask <0x7F>
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fi
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# Set serial number.
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if test -n ${device_serial_restricted}; then fdt set / serial-number ${device_serial_restricted}; fi
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# Load mac address info file from sd
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if fatload mmc 1:1 ${enviraddr} switchroot/joycon_mac.ini; then
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if ini "joycon_00" ${enviraddr}; then echo Found Joycon Pairing Info; else echoe Malformed joycon_mac.ini!; fi
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if test -n "${host}" -a "${host}" = "00:00:00:00:00:00"; then ini "joycon_01" ${enviraddr}; fi
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fi
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# Set BT mac.
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if test ! -n "${bt_mac}"; then
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if test -n "${host}" -a "${host}" != "00:00:00:00:00:00"; then setenv bt_mac ${host}; else setenv bt_mac ${device_bt_mac}; fi;
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fi
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# Set Wi-Fi mac. Use BT MAC with FF as the last byte.
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if test ! -n "${wifi_mac}"; then
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if test -n "${host}" -a "${host}" != "00:00:00:00:00:00"; then setexpr wifi_mac sub "\:..$" ":FF" ${host}; else setenv wifi_mac ${device_wifi_mac}; fi;
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fi
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echo CAL0 BT MAC: ${bt_mac}
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echo CAL0 WF MAC: ${wifi_mac}
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# Import to DT.
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fdt set /chosen nvidia,wifi-mac ${wifi_mac}
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fdt set /chosen nvidia,bluetooth-mac ${bt_mac}
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# Set kernel cmdline.
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setenv bootargs ${bootargs_extra} "ro init=/init firmware_class.path=/vendor/firmware \
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pmc_r2p.enabled=1 pmc_r2p.action=${r2p_action} \
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pmc_r2p.param1=${autoboot} pmc_r2p.param2=${autoboot_list} \
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fbcon=map:${fbconsole} consoleblank=0 \
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latency_allowance.ptsa_rework \
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nvdec_enabled=0 tegra_fbmem=0x800000@0xf5a00000 \
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androidboot.bootloader=${blver} androidboot.hardware=nx \
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androidboot.hardware.sku=${variant} androidboot.serialno=${device_serial_restricted} \
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androidboot.modem=none androidboot.dtb_idx=${sku} "
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# Boot kernel.
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echo Launching Kernel!
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bootm ${kernload} ${kernload} ${fdtraddr}
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echoe Failed to launch Kernel!
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echoe
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echoe Rebooting in 10s..
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sleep 10
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reset
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