Re: fdt based rework Re: Raspbery Pi support (release notes/wiki page) update?

On Feb 9, 2025, at 07:26, Klaus Küchemann <maciphone2@googlemail.com> wrote:

> Am 09.02.2025 um 16:09 schrieb Mark Millard <marklmi@yahoo.com>:
>> 
>> Not that Klaus will care for his purposes, but . . .
> 
> 
> I don't understand exactly what you mean but I assume you want to see the loaded device tree?
> 
> O.K. , the loader prompt:

Thanks. That is interesting.

FYI: The U-Boot fdt print output is sufficient to essentially
reproduce the live DTB with: It is a complete source and has
vastly bigger output to capture. With a dtc that follows the
same conventions, it can be compiled to produce such a .dtb
file.

> OK fdt ls
> Using DTB provided by EFI at 0x3e6d2000.
> 
> /framebuffer
> /system
> /reserved-memory
> /reserved-memory/atf@0
> /reserved-memory/linux,cma
> /reserved-memory/nvram@0
> /reserved-memory/nvram@1
> /thermal-zones
> /thermal-zones/cpu-thermal
> /thermal-zones/cpu-thermal/trips
> /thermal-zones/cpu-thermal/trips/cpu-crit
> /thermal-zones/cpu-thermal/trips/cpu-tepid
> /thermal-zones/cpu-thermal/trips/cpu-warm
> /thermal-zones/cpu-thermal/trips/cpu-hot
> /thermal-zones/cpu-thermal/trips/cpu-vhot
> /thermal-zones/cpu-thermal/cooling-maps
> /thermal-zones/cpu-thermal/cooling-maps/tepid
> /thermal-zones/cpu-thermal/cooling-maps/warm
> /thermal-zones/cpu-thermal/cooling-maps/hot
> /thermal-zones/cpu-thermal/cooling-maps/vhot
> /thermal-zones/cpu-thermal/cooling-maps/melt
> /clk-27M
> /clk-108M
> /hvs@107c580000
> /soc
> /soc/timer@7c003000
> /soc/firmwarekms@7d503000
> /soc/axiperf
> /soc/mailbox@7c013880
> /soc/pixelvalve@7c410000
> /soc/pixelvalve@7c411000
> /soc/mop@7c500000
> /soc/moplet@7c501000
> /soc/interrupt-controller@7c502000
> /soc/clock@7c700000
> /soc/local_intc@7cd00000
> /soc/serial@7d001000
> /soc/serial@7d001400
> /soc/serial@7d001a00
> /soc/mmc@7d002000
> /soc/_i2s@7d003000
> /soc/spi@7d004000
> /soc/spi@7d004000/spidev@0
> /soc/spi@7d004600
> /soc/spi@7d004800
> /soc/spi@7d004a00
> /soc/spi@7d004c00
> /soc/i2c@7d005000
> /soc/i2c@7d005600
> /soc/i2c@7d005800
> /soc/i2c@7d005a00
> /soc/i2c@7d005c00
> /soc/i2c@7d005e00
> /soc/pwm@7d00c000
> /soc/pwm@7d00c800
> /soc/watchdog@7d200000
> /soc/cprman@7d202000
> /soc/rng@7d208000
> /soc/intc@7d503000
> /soc/pinctrl@7d504100
> /soc/pinctrl@7d504100/uarta_24_pins
> /soc/pinctrl@7d504100/uarta_24_pins/pin_rts
> /soc/pinctrl@7d504100/uarta_24_pins/pin_cts
> /soc/pinctrl@7d504100/uarta_24_pins/pin_txd
> /soc/pinctrl@7d504100/uarta_24_pins/pin_rxd
> /soc/pinctrl@7d504100/sdio2_30_pins
> /soc/pinctrl@7d504100/sdio2_30_pins/pin_clk
> /soc/pinctrl@7d504100/sdio2_30_pins/pin_cmd
> /soc/pinctrl@7d504100/sdio2_30_pins/pins_dat
> /soc/pinctrl@7d504100/pwr_button_pins
> /soc/pinctrl@7d504100/wl_on_pins
> /soc/pinctrl@7d504100/bt_shutdown_pins
> /soc/pinctrl@7d504100/emmc_ds_pull
> /soc/pinctrl@7d504100/emmc_cmddat_pulls
> /soc/pinctrl@7d504100/spi10_gpio2
> /soc/pinctrl@7d504100/spi10_cs_gpio1
> /soc/i2c@7d508200
> /soc/i2c@7d508280
> /soc/i2c@7d508300
> /soc/intc@7d508380
> /soc/intc@7d508400
> /soc/gpio@7d508500
> /soc/serial@7d50c000
> /soc/serial@7d50c000/bluetooth
> /soc/serial@7d50d000
> /soc/interrupt-controller@7d510600
> /soc/pinctrl@7d510700
> /soc/pinctrl@7d510700/i2c3_m4_agpio0_pins
> /soc/pinctrl@7d510700/bsc_m1_agpio13_pins
> /soc/pinctrl@7d510700/bsc_pmu_sgpio4_pins
> /soc/pinctrl@7d510700/bsc_m2_sgpio4_pins
> /soc/pinctrl@7d510700/pwm_aon_agpio1_pins
> /soc/pinctrl@7d510700/pwm_aon_agpio4_pins
> /soc/pinctrl@7d510700/pwm_aon_agpio7_pins
> /soc/pinctrl@7d510700/ant_pins
> /soc/pinctrl@7d510700/aon_pwm_1pin
> /soc/intc@7d517000
> /soc/i2c@7d517a00
> /soc/pwm@7d517a80
> /soc/intc@7d517ac0
> /soc/intc@7d517b00
> /soc/gpio@7d517c00
> /soc/gpio@7d517c00/rp1_run_hog
> /soc/gpio@7d517c00/ant1-hog
> /soc/gpio@7d517c00/ant2-hog
> /soc/avs-monitor@7d542000
> /soc/avs-monitor@7d542000/thermal
> /soc/i2c@7d544000
> /soc/hdmi@7ef00700
> /soc/hdmi@7ef05700
> /soc/firmware
> /soc/firmware/clocks
> /soc/firmware/reset
> /soc/firmware/vcio
> /soc/power
> /soc/fb
> /soc/rpi_rtc
> /soc/nvmem
> /soc/nvmem/nvmem_otp
> /soc/nvmem/nvmem_cust
> /soc/nvmem/nvmem_mac
> /soc/nvmem/nvmem_priv
> /soc/fixedregulator_3v3
> /soc/fixedregulator_5v0
> /soc/gpiomem@7d508500
> /soc/gpiomem@7d517c00
> /soc/gpiomem@7d504100
> /soc/gpiomem@7d510700
> /soc/sound
> /arm-pmu
> /timer
> /cpus
> /cpus/cpu@0
> /cpus/cpu@1
> /cpus/cpu@2
> /cpus/cpu@3
> /cpus/l2-cache-l0
> /cpus/l2-cache-l1
> /cpus/l2-cache-l2
> /cpus/l2-cache-l3
> /cpus/l3-cache
> /psci
> /axi
> /axi/vc_mem
> /axi/gpu
> /axi/iommu@5100
> /axi/iommu@5200
> /axi/iommu@5280
> /axi/iommuc@5b00
> /axi/dma@10000
> /axi/dma@10600
> /axi/pcie@100000
> /axi/pcie@110000
> /axi/reset-controller@119500
> /axi/pcie@120000
> /axi/pcie@120000/rp1
> /axi/pcie@120000/rp1/clocks@18000
> /axi/pcie@120000/rp1/serial@30000
> /axi/pcie@120000/rp1/serial@34000
> /axi/pcie@120000/rp1/serial@38000
> /axi/pcie@120000/rp1/serial@3c000
> /axi/pcie@120000/rp1/serial@40000
> /axi/pcie@120000/rp1/serial@44000
> /axi/pcie@120000/rp1/spi@4c000
> /axi/pcie@120000/rp1/spi@50000
> /axi/pcie@120000/rp1/spi@50000/spidev@0
> /axi/pcie@120000/rp1/spi@50000/spidev@1
> /axi/pcie@120000/rp1/spi@54000
> /axi/pcie@120000/rp1/spi@58000
> /axi/pcie@120000/rp1/spi@5c000
> /axi/pcie@120000/rp1/spi@60000
> /axi/pcie@120000/rp1/spi@60000/slave
> /axi/pcie@120000/rp1/spi@64000
> /axi/pcie@120000/rp1/spi@68000
> /axi/pcie@120000/rp1/spi@6c000
> /axi/pcie@120000/rp1/spi@6c000/slave
> /axi/pcie@120000/rp1/i2c@70000
> /axi/pcie@120000/rp1/i2c@74000
> /axi/pcie@120000/rp1/i2c@78000
> /axi/pcie@120000/rp1/i2c@7c000
> /axi/pcie@120000/rp1/i2c@80000
> /axi/pcie@120000/rp1/i2c@84000
> /axi/pcie@120000/rp1/i2c@88000
> /axi/pcie@120000/rp1/pwm@98000
> /axi/pcie@120000/rp1/pwm@9c000
> /axi/pcie@120000/rp1/i2s@a0000
> /axi/pcie@120000/rp1/i2s@a4000
> /axi/pcie@120000/rp1/i2s@a8000
> /axi/pcie@120000/rp1/sdio_clk0@b0004
> /axi/pcie@120000/rp1/sdio_clk1@b4004
> /axi/pcie@120000/rp1/adc@c8000
> /axi/pcie@120000/rp1/gpio@d0000
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart0_14_15
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart0_14_15/pin_txd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart0_14_15/pin_rxd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart0_ctsrts_16_17
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart0_ctsrts_16_17/pin_cts
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart0_ctsrts_16_17/pin_rts
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart1_0_1
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart1_0_1/pin_txd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart1_0_1/pin_rxd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart1_ctsrts_2_3
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart1_ctsrts_2_3/pin_cts
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart1_ctsrts_2_3/pin_rts
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart2_4_5
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart2_4_5/pin_txd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart2_4_5/pin_rxd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart2_ctsrts_6_7
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart2_ctsrts_6_7/pin_cts
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart2_ctsrts_6_7/pin_rts
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart3_8_9
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart3_8_9/pin_txd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart3_8_9/pin_rxd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart3_ctsrts_10_11
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart3_ctsrts_10_11/pin_cts
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart3_ctsrts_10_11/pin_rts
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart4_12_13
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart4_12_13/pin_txd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart4_12_13/pin_rxd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart4_ctsrts_14_15
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart4_ctsrts_14_15/pin_cts
> /axi/pcie@120000/rp1/gpio@d0000/rp1_uart4_ctsrts_14_15/pin_rts
> /axi/pcie@120000/rp1/gpio@d0000/rp1_sdio0_22_27
> /axi/pcie@120000/rp1/gpio@d0000/rp1_sdio0_22_27/pin_clk
> /axi/pcie@120000/rp1/gpio@d0000/rp1_sdio0_22_27/pin_cmd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_sdio0_22_27/pins_dat
> /axi/pcie@120000/rp1/gpio@d0000/rp1_sdio1_28_33
> /axi/pcie@120000/rp1/gpio@d0000/rp1_sdio1_28_33/pin_clk
> /axi/pcie@120000/rp1/gpio@d0000/rp1_sdio1_28_33/pin_cmd
> /axi/pcie@120000/rp1/gpio@d0000/rp1_sdio1_28_33/pins_dat
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2s0_18_21
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2s1_18_21
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c4_34_35
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c6_38_39
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c4_40_41
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c5_44_45
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c0_0_1
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c0_8_9
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c1_2_3
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c1_10_11
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c2_4_5
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c2_12_13
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c3_6_7
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c3_14_15
> /axi/pcie@120000/rp1/gpio@d0000/rp1_i2c3_22_23
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_16bit_gpio2
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_16bit_cpadhi_gpio2
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_16bit_pad666_gpio2
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_18bit_gpio2
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_18bit_cpadhi_gpio2
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_24bit_gpio2
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_hvsync
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_16bit_gpio0
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_16bit_cpadhi_gpio0
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_16bit_pad666_gpio0
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_18bit_gpio0
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_18bit_cpadhi_gpio0
> /axi/pcie@120000/rp1/gpio@d0000/rp1_dpi_24bit_gpio0
> /axi/pcie@120000/rp1/gpio@d0000/rp1_gpclksrc0_gpio4
> /axi/pcie@120000/rp1/gpio@d0000/rp1_gpclksrc0_gpio20
> /axi/pcie@120000/rp1/gpio@d0000/rp1_gpclksrc1_gpio5
> /axi/pcie@120000/rp1/gpio@d0000/rp1_gpclksrc1_gpio18
> /axi/pcie@120000/rp1/gpio@d0000/rp1_gpclksrc1_gpio21
> /axi/pcie@120000/rp1/gpio@d0000/rp1_pwm1_gpio45
> /axi/pcie@120000/rp1/gpio@d0000/rp1_spi0_gpio9
> /axi/pcie@120000/rp1/gpio@d0000/rp1_spi0_cs_gpio7
> /axi/pcie@120000/rp1/gpio@d0000/rp1_spi1_gpio19
> /axi/pcie@120000/rp1/gpio@d0000/rp1_spi2_gpio1
> /axi/pcie@120000/rp1/gpio@d0000/rp1_spi3_gpio5
> /axi/pcie@120000/rp1/gpio@d0000/rp1_spi4_gpio9
> /axi/pcie@120000/rp1/gpio@d0000/rp1_spi5_gpio13
> /axi/pcie@120000/rp1/gpio@d0000/rp1_spi8_gpio49
> /axi/pcie@120000/rp1/gpio@d0000/rp1_spi8_cs_gpio52
> /axi/pcie@120000/rp1/gpio@d0000/usb_vbus_pins
> /axi/pcie@120000/rp1/ethernet@100000
> /axi/pcie@120000/rp1/ethernet@100000/ethernet-phy@1
> /axi/pcie@120000/rp1/csi@110000
> /axi/pcie@120000/rp1/csi@128000
> /axi/pcie@120000/rp1/mmc@180000
> /axi/pcie@120000/rp1/mmc@184000
> /axi/pcie@120000/rp1/dma@188000
> /axi/pcie@120000/rp1/usb@200000
> /axi/pcie@120000/rp1/usb@300000
> /axi/pcie@120000/rp1/dsi@110000
> /axi/pcie@120000/rp1/dsi@128000
> /axi/pcie@120000/rp1/vec@144000
> /axi/pcie@120000/rp1/dpi@148000
> /axi/pcie@120000/rp1/gpiomem@d0000
> /axi/msi-controller@130000
> /axi/msi-controller@131000
> /axi/syscon@400018
> /axi/usb@480000
> /axi/codec@800000
> /axi/mmc@fff000
> /axi/mmc@1100000
> /axi/mmc@1100000/wifi@1
> /axi/reset-controller@1504318
> /axi/v3d@2000000
> /axi/interrupt-controller@7fff9000
> /axi/pisp_be@880000
> /clocks
> /clocks/clk-osc
> /clocks/clk-usb
> /clocks/clk_vpu
> /clocks/clk_uart
> /clocks/clk_emmc2
> /clocks/clk_xosc
> /clocks/macb_pclk
> /clocks/macb_hclk
> /clocks/sdio_src
> /clocks/sdhci_core
> /clocks/clksrc_gp0
> /clocks/clksrc_gp1
> /clocks/clksrc_gp2
> /clocks/clksrc_gp3
> /clocks/clksrc_gp4
> /clocks/clksrc_gp5
> /phy
> /memory@0
> /leds
> /leds/led-pwr
> /leds/led-act
> /sd_io_1v8_reg
> /sd_vcc_reg
> /wl_on_reg
> /cam1_clk
> /cam0_clk
> /cam0_reg
> /cam_dummy_reg
> /dummy
> /i2c0if
> /i2c0mux
> /rp1_vdd_3v3
> /aliases
> /__overrides__
> /chosen
> /chosen/power
> /chosen/bootloader
> /cooling_fan
> /pwr_button
> /pwr_button/pwr
> /__symbols__
> OK


===
Mark Millard
marklmi at yahoo.com