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pinout original de un siemens s45 que funciona para conectar la consola de un jetson nano:

cable negro gnd
cable blanco alimentacion

cable naranja a donde la placa pone RXD
cable rojo a donde la placa pone TXD

16-6-2026 pincho tested.

   ''[0000.240] [L4T TegraBoot] (version 00.00.2018.01-l4t-8728f3cb)
[0000.245] Processing in cold boot mode Bootloader 2
[0000.250] A02 Bootrom Patch rev = 1023
[0000.254] Power-up reason: pmc por
[0000.257] No Battery Present
[0000.259] pmic max77620 reset reason
[0000.263] pmic max77620 NVERC : 0x40
[0000.266] RamCode = 0
[0000.268] Platform has DDR4 type RAM
[0000.272] max77620 disabling SD1 Remote Sense
[0000.276] Setting DDR voltage to 1125mv
[0000.280] Serial Number of Pmic Max77663: 0x223561
[0000.288] Entering ramdump check
[0000.291] Get RamDumpCarveOut = 0x0
[0000.294] RamDumpCarveOut=0x0,  RamDumperFlag=0xe59ff3f8
[0000.299] Last reboot was clean, booting normally!
[0000.304] Sdram initialization is successful 
[0000.308] SecureOs Carveout Base=0x00000000ff800000 Size=0x00800000
[0000.314] Lp0 Carveout Base=0x00000000ff780000 Size=0x00001000
[0000.320] BpmpFw Carveout Base=0x00000000ff700000 Size=0x00080000
[0000.326] GSC1 Carveout Base=0x00000000ff600000 Size=0x00100000
[0000.331] GSC2 Carveout Base=0x00000000ff500000 Size=0x00100000
[0000.337] GSC4 Carveout Base=0x00000000ff400000 Size=0x00100000
[0000.343] GSC5 Carveout Base=0x00000000ff300000 Size=0x00100000
[0000.349] GSC3 Carveout Base=0x000000017f300000 Size=0x00d00000
[0000.365] RamDump Carveout Base=0x00000000ff280000 Size=0x00080000
[0000.371] Platform-DebugCarveout: 0
[0000.374] Nck Carveout Base=0x00000000ff080000 Size=0x00200000
[0000.380] Non secure mode, and RB not enabled.
[0000.384] *** Booting BFS0.
[0000.387] Initialize FailControl
[0000.390] Read PT from (0:3)
[0000.405] Csd NumOfBlocks=0
[0000.444] PT crc32 and magic check passed.
[0000.448] Using BFS PT to query partitions 
[0000.452] PT: Partition LNX NOT found ! 
[0000.456] *** Booting KFS0.
[0000.458] NvTbootFailControlDoFailover: No failover; Continuing ...
[0000.464] BoardID = 3448, SKU = 0x2
[0000.468] Not Nano-SD or !QSPI-ONLY, check GPT table first ...
[0000.473] Read GPT from (0:3)
[0000.482] Using GPT Primary to query partitions
[0000.486] NvTbootFailControlDoFailover: No failover; Continuing ...
[0000.493] Loading Tboot-CPU binary
[0000.498] Verifying TBC in OdmNonSecureSBK mode
[0000.508] Bootloader load address is 0xa0000000, entry address is 0xa0000258
[0000.515] Bootloader downloaded successfully.
[0000.519] Downloaded Tboot-CPU binary to 0xa0000258
[0000.524] MAX77620_GPIO5 configured
[0000.528] CPU power rail is up
[0000.531] CPU clock enabled
[0000.534] Performing RAM repair
[0000.537] Updating A64 Warmreset Address to 0xa00002e9
[0000.542] BoardID = 3448, SKU = 0x2
[0000.546] Not Nano-SD or !QSPI-ONLY, check GPT table first ...
[0000.552] NvTbootFailControlDoFailover: No failover; Continuing ...
[0000.558] Loading NvTbootBootloaderDTB
[0000.575] Verifying NvTbootBootloaderDTB in OdmNonSecureSBK mode
[0000.646] Bootloader DTB Load Address: 0x83000000
[0000.651] BoardID = 3448, SKU = 0x2
[0000.654] Not Nano-SD or !QSPI-ONLY, check GPT table first ...
[0000.660] Loading NvTbootKernelDTB
[0000.677] Verifying NvTbootKernelDTB in OdmNonSecureSBK mode
[0000.748] Kernel DTB Load Address: 0x83100000
[0000.752] BoardID = 3448, SKU = 0x2
[0000.755] Not Nano-SD or !QSPI-ONLY, check GPT table first ...
[0000.761] NvTbootFailControlDoFailover: No failover; Continuing ...
[0000.768] Loading cboot binary
[0000.779] Verifying EBT in OdmNonSecureSBK mode
[0000.821] Bootloader load address is 0x92c00000, entry address is 0x92c00258
[0000.828] Bootloader downloaded successfully.
[0000.832] BoardID = 3448, SKU = 0x2
[0000.835] Not Nano-SD or !QSPI-ONLY, check GPT table first ...
[0000.841] NvTbootFailControlDoFailover: No failover; Continuing ...
[0000.848] PT: Partition NCT NOT found ! 
[0000.851] Warning: Find Partition via PT Failed
[0000.856] Next binary entry address: 0x92c00258 
[0000.860] BoardId: 3448
[0000.865] Overriding pmu board id with proc board id
[0000.869] Display board id is not available 
[0000.874] BoardID = 3448, SKU = 0x2
[0000.877] Not Nano-SD or !QSPI-ONLY, check GPT table first ...
[0000.883] NvTbootFailControlDoFailover: No failover; Continuing ...
[0000.896] Verifying SC7EntryFw in OdmNonSecureSBK mode
[0000.952] /bpmp deleted
[0000.955] SC7EntryFw header found loaded at 0xff700000
[0001.143] OVR2 PMIC
[0001.144] Bpmp FW successfully loaded
[0001.148] BoardID = 3448, SKU = 0x2
[0001.151] Not Nano-SD or !QSPI-ONLY, check GPT table first ...
[0001.157] NvTbootFailControlDoFailover: No failover; Continuing ...
[0001.164] WB0 init successfully at 0xff780000
[0001.169] Verifying NvTbootWb0 in OdmNonSecureSBK mode
[0001.174] Set NvDecSticky Bits
[0001.177] GSC2 address ff53fffc value c0edbbcc
[0001.184] GSC MC Settings done
[0001.186] BoardID = 3448, SKU = 0x2
[0001.190] Not Nano-SD or !QSPI-ONLY, check GPT table first ...
[0001.196] TOS Image length 53680
[0001.200]  Monitor size 53680
[0001.202]  OS size 0
[0001.208] Secure Os AES-CMAC Verification Success!
[0001.212] TOS image cipher info: plaintext
[0001.216] Loading and Validation of Secure OS Successful
[0001.232] SC7 Entry Firmware - 0xff700000, 0x4000
[0001.237] NvTbootPackSdramParams: start. 
[0001.242] NvTbootPackSdramParams: done. 
[0001.246] Tegraboot started after 169848 us
[0001.250] Basic modules init took 741065 us
[0001.254] Sec Bootdevice Read Time = 54 ms, Read Size = 3682 KB
[0001.259] Sec Bootdevice Write Time = 0 ms, Write Size = 0 KB
[0001.265] Next stage binary read took 7378 us
[0001.269] Carveout took -34772 us
[0001.272] CPU initialization took 392399 us
[0001.276] Total time taken by TegraBoot 1106070 us

[0001.281] Starting CPU & Halting co-processor 

64NOTICE:  BL31: v1.3(release):9892ce1
NOTICE:  BL31: Built : 09:21:33, Nov 22 2022
ERROR:   Error initializing runtime service trusty_fast
[0001.403] RamCode = 0
[0001.408] LPDDR4 Training: Read DT: Number of tables = 2
[0001.413] EMC Training (SRC-freq: 204000; DST-freq: 1600000)
[0001.425] EMC Training Successful
[0001.428] 408000 not found in DVFS table
[0001.435] RamCode = 0
[0001.438] DT Write: emc-table@204000 succeeded
[0001.444] DT Write: emc-table@1600000 succeeded
[0001.448] LPDDR4 Training: Write DT: Number of tables = 2
[0001.491] 
[0001.493] Debug Init done
[0001.495] Marked DTB cacheable
[0001.498] Bootloader DTB loaded at 0x83000000
[0001.503] Marked DTB cacheable
[0001.506] Kernel DTB loaded at 0x83100000
[0001.510] DeviceTree Init done
[0001.523] Pinmux applied successfully
[0001.527] gicd_base: 0x50041000
[0001.530] gicc_base: 0x50042000
[0001.533] Interrupts Init done
[0001.538] Using base:0x60005090 & irq:208 for tick-timer
[0001.543] Using base:0x60005098 for delay-timer
[0001.547] platform_init_timer: DONE
[0001.551] Timer(tick) Init done
[0001.555] osc freq = 38400 khz
[0001.558] 
[0001.559] Welcome to L4T Cboot
[0001.562] 
[0001.564] Cboot Version: 00.00.2018.01-t210-a2f2e4b8
[0001.569] calling constructors
[0001.571] initializing heap
[0001.574] initializing threads
[0001.577] initializing timers
[0001.580] creating bootstrap completion thread
[0001.584] top of bootstrap2()
[0001.587] CPU: ARM Cortex A57
[0001.590] CPU: MIDR: 0x411FD071, MPIDR: 0x80000000
[0001.595] initializing platform
[0001.649] Config for emmc ddr50 mode completed
[0001.653] sdmmc bdev is already initialized
[0001.657] Enable APE clock
[0001.660] Un-powergate APE partition
[0001.663] of_register: registering tegra_udc to of_hal
[0001.668] of_register: registering inv20628-driver to of_hal
[0001.674] of_register: registering ads1015-driver to of_hal
[0001.679] of_register: registering lp8557-bl-driver to of_hal
[0001.685] of_register: registering bq2419x_charger to of_hal
[0001.691] of_register: registering bq27441_fuel_gauge to of_hal
[0001.702] gpio framework initialized
[0001.706] of_register: registering tca9539_gpio to of_hal
[0001.711] of_register: registering tca9539_gpio to of_hal
[0001.716] of_register: registering i2c_bus_driver to of_hal
[0001.722] of_register: registering i2c_bus_driver to of_hal
[0001.727] of_register: registering i2c_bus_driver to of_hal
[0001.733] pmic framework initialized
[0001.737] of_register: registering max77620_pmic to of_hal
[0001.742] regulator framework initialized
[0001.746] of_register: registering tps65132_bl_driver to of_hal
[0001.752] initializing target
[0001.758] gpio_driver_register: register 'tegra_gpio_driver' driver
[0001.766] board ID = D78, board SKU = 2
[0001.772] fixed regulator driver initialized
[0001.790] initializing OF layer
[0001.793] NCK carveout not present
[0001.796] Skipping dts_overrides
[0001.800] of_children_init: Ops found for compatible string nvidia,tegra210-i2c
[0001.817] I2C Bus Init done
[0001.820] of_children_init: Ops found for compatible string nvidia,tegra210-i2c
[0001.830] I2C Bus Init done
[0001.832] of_children_init: Ops found for compatible string nvidia,tegra210-i2c
[0001.843] I2C Bus Init done
[0001.845] of_children_init: Ops found for compatible string nvidia,tegra210-i2c
[0001.856] I2C Bus Init done
[0001.858] of_children_init: Ops found for compatible string nvidia,tegra210-i2c
[0001.869] I2C Bus Init done
[0001.871] of_children_init: Ops found for compatible string maxim,max77620
[0001.882] max77620_init using irq 118
[0001.887] register 'maxim,max77620' pmic
[0001.891] gpio_driver_register: register 'max77620-gpio' driver
[0001.897] of_children_init: Ops found for compatible string nvidia,tegra210-i2c
[0001.907] I2C Bus Init done
[0001.911] NCK carveout not present
[0001.921] Find /i2c@7000c000's alias i2c0
[0001.924] get eeprom at 1-a0, size 256, type 0
[0001.933] Find /i2c@7000c500's alias i2c2
[0001.937] get eeprom at 3-a0, size 256, type 0
[0001.941] get eeprom at 3-ae, size 256, type 0
[0001.946] pm_ids_update: Updating 1,a0, size 256, type 0
[0001.951] I2C slave not started
[0001.954] I2C write failed
[0001.957] Writing offset failed
[0001.960] eeprom_init: EEPROM read failed
[0001.964] pm_ids_update: eeprom init failed
[0001.968] pm_ids_update: Updating 3,a0, size 256, type 0
[0001.998] pm_ids_update: The pm board id is 3448-0002-401
[0002.005] Adding plugin-manager/ids/3448-0002-401=/i2c@7000c500:module@0x50
[0002.013] pm_ids_update: pm id update successful
[0002.018] pm_ids_update: Updating 3,ae, size 256, type 0
[0002.048] eeprom_init: EEPROM incompatible version found
[0002.053] pm_ids_update: eeprom init failed
[0002.083] eeprom_get_mac: EEPROM invalid MAC address (all 0xff)
[0002.089] shim_eeprom_update_mac:267: Failed to update 0 MAC address in DTB
[0002.097] eeprom_get_mac: EEPROM invalid MAC address (all 0xff)
[0002.102] shim_eeprom_update_mac:267: Failed to update 1 MAC address in DTB
[0002.111] updating /chosen/nvidia,ethernet-mac node 48:b0:2d:5b:32:c8
[0002.117] Plugin Manager: Parse ODM data 0x000a4000
[0002.129] shim_cmdline_install: /chosen/bootargs: earlycon=uart8250,mmio32,0x70006000 
[0002.144] Find /i2c@7000c000's alias i2c0
[0002.148] get eeprom at 1-a0, size 256, type 0
[0002.157] Find /i2c@7000c500's alias i2c2
[0002.160] get eeprom at 3-a0, size 256, type 0
[0002.165] get eeprom at 3-ae, size 256, type 0
[0002.169] pm_ids_update: Updating 1,a0, size 256, type 0
[0002.175] I2C slave not started
[0002.178] I2C write failed
[0002.180] Writing offset failed
[0002.183] eeprom_init: EEPROM read failed
[0002.187] pm_ids_update: eeprom init failed
[0002.191] pm_ids_update: Updating 3,a0, size 256, type 0
[0002.221] pm_ids_update: The pm board id is 3448-0002-401
[0002.228] Adding plugin-manager/ids/3448-0002-401=/i2c@7000c500:module@0x50
[0002.235] pm_ids_update: pm id update successful
[0002.239] pm_ids_update: Updating 3,ae, size 256, type 0
[0002.269] eeprom_init: EEPROM incompatible version found
[0002.274] pm_ids_update: eeprom init failed
[0002.304] Add serial number:1424621048633 as DT property
[0002.312] Applying platform configs
[0002.319] platform-init is not present. Skipping
[0002.323] calling apps_init()
[0002.344] Found 17 GPT partitions in "sdmmc3_user"
[0002.349] Proceeding to Cold Boot
[0002.352] starting app android_boot_app
[0002.356] Device state: unlocked
[0002.359] display console init
[0002.367] could not find regulator
[0002.391] hdmi cable not connected
[0002.394] is_hdmi_needed: HDMI not connected, returning false
[00[0002.403] DT entry for leds-pwm not found
02.400] hdmi is not connected
[0002.410] sor0 is not supported
[0002.413] display_console_init: no valid display out_type
[0002.421] subnode volume_up is not found !
[0002.425] subnode back is not found !
[0002.428] subnode volume_down is not found !
[0002.433] subnode menu is not found !
[0002.436] Gpio keyboard init success
[0002.484] found decompressor handler: lz4-legacy
[0002.498] decompressing blob (type 1)...
[0002.564] display_resolution: No display init
[0002.568] Failed to retrieve display resolution
[0002.573] Could not load/initialize BMP blob...ignoring
[0002.578] -------> se_aes_verify_sbk_clear: 747
[0002.583] se_aes_verify_sbk_clear: Error
[0002.586] SE operation failed
[0002.589] bl_battery_charging: connected to external power supply
[0002.599] display_console_ioctl: No display init
[0002.603] switch_backlight failed
[0002.613] device_query_partition_size: failed to open partition sdmmc3_user:MSC !
[0002.620] MSC Partition not found
[0002.630] device_query_partition_size: failed to open partition sdmmc3_user:USP !
[0002.637] USP partition read failed!
[0002.640] blob_init: blob-partition USP header read failed
[0002.646] android_boot Unable to update recovery partition
[0002.651] kfs_getpartname: name = LNX
[0002.655] Loading kernel from LNX
[0002.753] load kernel from storage
[0002.762] decompressor handler not found
[0002.796] Successfully loaded kernel and ramdisk images
[0002.801] board ID = D78, board SKU = 2
[0002.806] display_resolution: No display init
[0002.810] Failed to retrieve display resolution
[0002.815] bmp blob is not loaded and initialized
[0002.819] Failed to display boot-logo
[0002.823] NCK carveout not present
[0002.826] Skipping dts_overrides
[0002.829] NCK carveout not present
[0002.839] Find /i2c@7000c000's alias i2c0
[0002.843] get eeprom at 1-a0, size 256, type 0
[0002.851] Find /i2c@7000c500's alias i2c2
[0002.855] get eeprom at 3-a0, size 256, type 0
[0002.860] get eeprom at 3-ae, size 256, type 0
[0002.864] pm_ids_update: Updating 1,a0, size 256, type 0
[0002.869] I2C slave not started
[0002.872] I2C write failed
[0002.875] Writing offset failed
[0002.878] eeprom_init: EEPROM read failed
[0002.882] pm_ids_update: eeprom init failed
[0002.886] pm_ids_update: Updating 3,a0, size 256, type 0
[0002.916] pm_ids_update: The pm board id is 3448-0002-401
[0002.923] Adding plugin-manager/ids/3448-0002-401=/i2c@7000c500:module@0x50
[0002.931] pm_ids_update: pm id update successful
[0002.936] pm_ids_update: Updating 3,ae, size 256, type 0
[0002.966] eeprom_init: EEPROM incompatible version found
[0002.971] pm_ids_update: eeprom init failed
[0003.001] eeprom_get_mac: EEPROM invalid MAC address (all 0xff)
[0003.007] shim_eeprom_update_mac:267: Failed to update 0 MAC address in DTB
[0003.015] eeprom_get_mac: EEPROM invalid MAC address (all 0xff)
[0003.021] shim_eeprom_update_mac:267: Failed to update 1 MAC address in DTB
[0003.029] updating /chosen/nvidia,ethernet-mac node 48:b0:2d:5b:32:c8
[0003.035] Plugin Manager: Parse ODM data 0x000a4000
[0003.048] shim_cmdline_install: /chosen/bootargs: earlycon=uart8250,mmio32,0x70006000 
[0003.056] Add serial number:1424621048633 as DT property
[0003.065] "bpmp" doesn't exist, creating 
[0003.071] Updated bpmp info to DTB
[0003.075] Updated initrd info to DTB
[0003.079] "proc-board" doesn't exist, creating 
[0003.085] Updated board info to DTB
[0003.088] "pmu-board" doesn't exist, creating 
[0003.094] Updated board info to DTB
[0003.098] "display-board" doesn't exist, creating 
[0003.103] Updated board info to DTB
[0003.107] "reset" doesn't exist, creating 
[0003.111] Updated reset info to DTB
[0003.115] display_console_ioctl: No display init
[0003.119] display_console_ioctl: No display init
[0003.124] display_console_ioctl: No display init
[0003.129] Cmdline: tegraid=21.1.2.0.0 ddr_die=4096M@2048M section=512M memtype=0 vpr_resize usb_port_owner_info=0 lane_owner_info=0 emc_max_dvfs=0 touch_id=0@63 video=tegrafb no_console_suspend=1 console=ttyS0,115200n8 debug_uartport=lsport,4 earlyprintk=uart8250-32bit,0x70006000 maxcpus=4 usbcore.old_scheme_first=1 lp0_vec=0x1000@0xff780000 core_edp_mv=1125 core_edp_ma=4000 gpt 
[0003.163] DTB cmdline: earlycon=uart8250,mmio32,0x70006000 
[0003.169] boot image cmdline: root=/dev/mmcblk0p1 rw rootwait rootfstype=ext4 console=ttyS0,115200n8 console=tty0 fbcon=map:0 net.ifnames=0 sdhci_tegra.en_boot_part_access=1 
[0003.185] Updated bootarg info to DTB
[0003.189] Adding uuid 00000001643073050400000017060540 to DT
[0003.195] Adding eks info 0 to DT
[0003.200] WARNING: Failed to pass NS DRAM ranges to TOS, err: -7
[0003.206] Updated memory info to DTB
[0003.214] set vdd_core voltage to 1125 mv
[0003.218] setting 'vdd-core' regulator to 1125000 micro volts
[0003.223] Found secure-pmc; disable BPMP


U-Boot 2020.04-g4335beb (Nov 22 2022 - 09:21:37 -0800)

SoC: tegra210
Model: NVIDIA Jetson Nano Developer Kit
Board: NVIDIA P3450-0000
DRAM:  4 GiB
MMC:   sdhci@700b0000: 1, sdhci@700b0600: 0
Loading Environment from MMC... *** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Net:   No ethernet found.
Hit any key to stop autoboot:  0 
Tegra210 (P3450-0000) # ''