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| author | Yangyu Chen <cyy@cyyself.name> | 2024-02-28 11:52:54 +0300 |
|---|---|---|
| committer | Conor Dooley <conor.dooley@microchip.com> | 2024-03-06 03:08:32 +0300 |
| commit | 2672031b20f6681514bef14ddcfe8c62c2757d11 (patch) | |
| tree | 1915f3c2a1ae93eb043737cd1d0c4e2a8deb8209 /arch/riscv/boot/dts/sifive/Makefile | |
| parent | 7921e231f85a349d5927b26c812c86e03f4cd37b (diff) | |
| download | linux-2672031b20f6681514bef14ddcfe8c62c2757d11.tar.xz | |
riscv: dts: Move BUILTIN_DTB_SOURCE to common Kconfig
The BUILTIN_DTB_SOURCE was only configured for K210 before. Since
SOC_BUILTIN_DTB_DECLARE was removed at commit d5805af9fe9f ("riscv: Fix
builtin DTB handling") from patch [1], the kernel cannot choose one of the
dtbs from then on and always take the first one dtb to use. Then, another
commit 0ddd7eaffa64 ("riscv: Fix BUILTIN_DTB for sifive and microchip soc")
from patch [2] supports BUILTIN_DTB_SOURCE for other SoCs. However, this
feature will only work if the Kconfig we use links the dtb we expected in
the first place as mentioned in the thread [3]. Thus, a config
BUILTIN_DTB_SOURCE is needed for all SoCs to choose one dtb to use.
For some considerations, this patch also removes default y if XIP_KERNEL
for BUILTIN_DTB, as this requires setting a proper dtb to use on the
BUILTIN_DTB_SOURCE, else the kernel with XIP but does not set
BUILTIN_DTB_SOURCE or unselect BUILTIN_DTB will not boot.
Also, this patch removes the default dtb string for k210 from Kconfig to
nommu_k210_defconfig and nommu_k210_sdcard_defconfig to avoid complex
Kconfig settings for other SoCs in the future.
[1] https://lore.kernel.org/linux-riscv/20201208073355.40828-5-damien.lemoal@wdc.com/
[2] https://lore.kernel.org/linux-riscv/20210604120639.1447869-1-alex@ghiti.fr/
[3] https://lore.kernel.org/linux-riscv/CAK7LNATt_56mO2Le4v4EnPnAfd3gC8S_Sm5-GCsfa=qXy=8Lrg@mail.gmail.com/
Signed-off-by: Yangyu Chen <cyy@cyyself.name>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Diffstat (limited to 'arch/riscv/boot/dts/sifive/Makefile')
| -rw-r--r-- | arch/riscv/boot/dts/sifive/Makefile | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/riscv/boot/dts/sifive/Makefile b/arch/riscv/boot/dts/sifive/Makefile index 6a5fbd4ed96a..495bf760a909 100644 --- a/arch/riscv/boot/dts/sifive/Makefile +++ b/arch/riscv/boot/dts/sifive/Makefile @@ -1,4 +1,3 @@ # SPDX-License-Identifier: GPL-2.0 dtb-$(CONFIG_ARCH_SIFIVE) += hifive-unleashed-a00.dtb \ hifive-unmatched-a00.dtb -obj-$(CONFIG_BUILTIN_DTB) += $(addsuffix .o, $(dtb-y)) |