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

[Jorge Ramirez]

On 07/04/25 13:50:21, Christopher Obbard wrote:
> Hi Jorge,
> 
> Long time no speak.

hey, yeah, Embedded Recipes 2023 I think. 

> 
> On Mon, 7 Apr 2025 at 13:05, Jorge Ramirez-Ortiz
> <jorge.ramirez at oss.qualcomm.com> 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>
> 
> Your patch subject has a typo in "udpate" -> "update.
> 

thanks!

> With that fixed:
> Reviewed-by: Christopher Obbard <christopher.obbard 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 ...
> >
> > --
> > 2.34.1
> >