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Multi-DTB Fitimage implementation #1274

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Multi-DTB Fitimage implementation #1274

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9c2532c
lib/qcom_fitimage.py: add DTB-only FIT image generation support
Kavinaya99 Nov 17, 2025
a13b274
recipes-kernel: add qcom-dtb-metadata recipe for FIT image generation
Kavinaya99 Nov 14, 2025
dafd926
classes-recipe: add dtb-fit-image.bbclass for FIT image generation
Kavinaya99 Dec 2, 2025
0f47ad9
qcom-common.inc: define variables for FIT image generation
Kavinaya99 Dec 1, 2025
329f784
linux-qcom-dtbbin.bbclass: support multi-dtb.vfat generation in FIT f…
Kavinaya99 Nov 14, 2025
cec628e
iq-8275-evk.conf: add compatible string for monaco-evk.dtb
Kavinaya99 Nov 14, 2025
51fca9f
iq-9075-evk.conf: add compatible string for lemans-evk.dtb
Kavinaya99 Nov 14, 2025
0a2a693
qcm6490-idp.conf: add compatible string for qcm6490-idp.dtb
Kavinaya99 Nov 14, 2025
5c141cb
qcs615-adp-air.conf: add compatible string for qcs615-ride.dtb
Kavinaya99 Nov 14, 2025
1c25851
qcs8300-ride-sx.conf: add compatible string for qcs8300-ride.dtb
Kavinaya99 Nov 14, 2025
9b80f00
qcs9100-ride-sx.conf: add compatible string for supported dtbs
Kavinaya99 Dec 1, 2025
db43c5e
rb3gen2-core-kit.conf : add compatible string for supported dtbs
Kavinaya99 Dec 1, 2025
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13 changes: 13 additions & 0 deletions conf/machine/include/qcom-common.inc
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Expand Up @@ -46,3 +46,16 @@ EFI_PROVIDER = "systemd-boot"

# Unified Kernel Image (UKI) name
EFI_LINUX_IMG ?= "linux-${MACHINE}.efi"

# Variables to generate ITS file
UBOOT_CONFIG ??= "qcom"
UBOOT_CONFIG[qcom] ?= "qcom_defconfig"
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@ricardosalveti ricardosalveti Dec 2, 2025

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How is this related to fit at all?

The only thing we're using from u-boot is mkimage.


# Pass additional options to mkimage command
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@ricardosalveti ricardosalveti Dec 2, 2025

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You should instead explain why the extra options are needed here.

UBOOT_MKIMAGE_EXTRA_OPTS = "-E -B 0x0001000"
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@ricardosalveti ricardosalveti Dec 2, 2025

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Why?


# Set default configuration
FIT_CONF_DEFAULT_DTB = "1"

# Set hash algorithm
FIT_HASH_ALG = ""
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@ricardosalveti ricardosalveti Dec 2, 2025

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These options will also affect users using kernel-fit (e.g. u-boot users).