[PATCH 1/5] board: qualcomm: dragonboard820c: udpate readme

[Caleb Connolly]

On 4/7/25 14:05, Jorge Ramirez-Ortiz wrote:
> Update build instructions.
> 
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez at oss.qualcomm.com>
> Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>

Reviewed-by: Caleb Connolly <caleb.connolly at linaro.org>> ---
>   board/qualcomm/dragonboard820c/readme.txt | 47 ++++++++++-------------
>   1 file changed, 21 insertions(+), 26 deletions(-)
> 
> diff --git a/board/qualcomm/dragonboard820c/readme.txt b/board/qualcomm/dragonboard820c/readme.txt
> index 966e9520e85..a01d24122cb 100644
> --- a/board/qualcomm/dragonboard820c/readme.txt
> +++ b/board/qualcomm/dragonboard820c/readme.txt
> @@ -16,10 +16,7 @@
>                        Build & Run instructions
>   ================================================================================
>   
> -1) Install mkbootimg and dtbTool from Codeaurora:
> -
> -   git://codeaurora.org/quic/kernel/skales
> -   commit 8492547e404e969262d9070dee9bdd15668bb70f worked for me.
> +1) Install mkbootimg
>   
>   2) Setup CROSS_COMPILE to aarch64 compiler or if you use ccache just do
>      CROSS_COMPILE="ccache aarch64-linux-gnu-"
> @@ -33,15 +30,15 @@
>   
>      $ touch rd
>   
> -5) Generate qualcomm device tree table with dtbTool
> +5) Append the dtb to the u-boot binary discarding the internal dtb.
>   
> -   $ dtbTool -o dt.img arch/arm/dts
> +   $ gzip u-boot-nodtb.bin
> +   $ cat u-boot.dtb >> u-boot-nodtb.bin.gz
>   
>   6) Generate Android boot image with mkbootimg:
>   
> -   $ mkbootimg --kernel=u-boot-dtb.bin             \
> +   $ mkbootimg --kernel=u-boot-nodtb.bin.gz          \
>                  --output=u-boot.img                 \
> -               --dt=dt.img                         \
>                  --pagesize 4096                     \
>                  --base 0x80000000                   \
>                  --ramdisk=rd                        \
> @@ -251,44 +248,42 @@ Wait for 5 seconds before proceeding
>   [5300] booting linux @ 0x80080000, ramdisk @ 0x82200000 (0), tags/device tree @ 0x82000000
>   [5310] Jumping to kernel via monitor
>   
> -U-Boot 2017.11-00145-ge895117 (Nov 29 2017 - 10:04:06 +0100)
> +U-Boot 2025.04-rc5-00020-g40a61ca0e7eb-dirty (Apr 07 2025 - 09:37:03 +0200)
>   Qualcomm-DragonBoard 820C
>   
> -DRAM:  3 GiB
> -PSCI:  v1.0
> -MMC:   sdhci at 74a4900: 0
> +DRAM:  3.5 GiB (effective 3 GiB)
> +Core:  136 devices, 18 uclasses, devicetree: board
> +MMC:   Bulk clocks not available (-19), trying core clock
> +mmc at 74a4900: 0
> +Loading Environment from EXT4... OK
>   In:    serial at 75b0000
>   Out:   serial at 75b0000
>   Err:   serial at 75b0000
> -Net:   Net Initialization Skipped
> -No ethernet found.
> +Net:   No ethernet found.
>   Hit any key to stop autoboot:  0
>   switch to partitions #0, OK
>   mmc0 is current device
>   Scanning mmc 0:1...
>   Found /extlinux/extlinux.conf
>   Retrieving file: /extlinux/extlinux.conf
> -433 bytes read in 71 ms (5.9 KiB/s)
>   1:      nfs root
> -
> +Enter choice: 1:        nfs root
>   Retrieving file: /uImage
> -19397184 bytes read in 2024 ms (9.1 MiB/s)
> -append: root=/dev/nfs rw nfsroot=192.168.1.2:/db820c/rootfs,v3,tcp rootwait ip=dhcp consoleblank=0 console=tty0 console=ttyMSM0,115200n8 earlyprintk earlycon=msm_serial_dm,0x75b0000 androidboot.bootdevice=624000.ufshc androidboot.verifiedbootstate=orange androidboot.ver0
> -
> +append: root=/dev/nfs rw nfsroot=192.168.1.6:/home/jramirez/Src/qualcomm-lt/db820c/rootfs,v3,tcp rootwait ip=dhcp consoleblank=0 console=tty0 console=ttyMSM0,115200n8 earlyprintk earlyco0
>   Retrieving file: /apq8096-db820c.dtb
> -38134 bytes read in 37 ms (1005.9 KiB/s)
> -
> -## Booting kernel from Legacy Image at 95000000 ...
> +## Booting kernel from Legacy Image at 155000000 ...
>      Image Name:   Dragonboard820c
>      Image Type:   AArch64 Linux Kernel Image (uncompressed)
>      Data Size:    19397120 Bytes = 18.5 MiB
>      Load Address: 80080000
>      Entry Point:  80080000
>      Verifying Checksum ... OK
> -## Flattened Device Tree blob at 93000000
> -   Booting using the fdt blob at 0x93000000
> -   Loading Kernel Image ... OK
> -   Using Device Tree in place at 0000000093000000, end 000000009300c4f5
> +## Flattened Device Tree blob at 148600000
> +   Booting using the fdt blob at 0x148600000
> +Working FDT set to 148600000
> +   Loading Kernel Image to 80080000
> +   Using Device Tree in place at 0000000148600000, end 000000014860c4f5
> +Working FDT set to 148600000
>   
>   Starting kernel ...
>   

-- 
Caleb (they/them)