On 4/30/25 19:15, Jan Čermák wrote:
Raspberry Pi 5 can now have up to 16 GiB of RAM where the memory spans 8 DRAM banks in total. Increase the config value to 8 to initialize the whole RAM. Without this change, kernel only sees 8 GiB of RAM on the 16 GiB CM5 as reported in [1]. [1] https://github.com/home-assistant/operating-system/issues/3989 Signed-off-by: Jan Čermák <sai...@sairon.cz>
Reviewed-by: Matthias Brugger <mbrug...@suse.com>
--- configs/rpi_arm64_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/configs/rpi_arm64_defconfig b/configs/rpi_arm64_defconfig index 9fe5d177943..69e8e72c5d7 100644 --- a/configs/rpi_arm64_defconfig +++ b/configs/rpi_arm64_defconfig @@ -2,6 +2,7 @@ CONFIG_ARM=y CONFIG_POSITION_INDEPENDENT=y CONFIG_ARCH_BCM283X=y CONFIG_TARGET_RPI_ARM64=y +CONFIG_NR_DRAM_BANKS=8 CONFIG_ENV_SIZE=0x4000 CONFIG_DEFAULT_DEVICE_TREE="bcm2711-rpi-4-b" CONFIG_OF_LIBFDT_OVERLAY=y
