When booting into Android fastbootd (a subset of recovery), the default UI shows the bootloader version in the screen [1]. This is done via the ro.bootloader property which should come from the bootloader.
Provide the U-Boot version via a kernel commandline argument so that fastbootd can show it properly on the screen. [1] https://android.googlesource.com/platform/bootable/recovery/+/refs/heads/main/fastboot/fastboot.cpp#42 Reviewed-by: Julien Masson <jmas...@baylibre.com> Reviewed-by: Guillaume La Roque <glaro...@baylibre.com> Signed-off-by: Mattijs Korpershoek <mkorpersh...@baylibre.com> --- Changes in v2: - Clarify by a comment that we intentionally ignore return (Simon) - Link to v1: https://lore.kernel.org/r/20240904-bootmeth-bootloader-version-v1-1-9979a8428...@baylibre.com --- boot/bootmeth_android.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/boot/bootmeth_android.c b/boot/bootmeth_android.c index 6e8d3e615db0..19b1f2c377b9 100644 --- a/boot/bootmeth_android.c +++ b/boot/bootmeth_android.c @@ -22,6 +22,7 @@ #include <malloc.h> #include <mapmem.h> #include <part.h> +#include <version.h> #include "bootmeth_android.h" #define BCB_FIELD_COMMAND_SZ 32 @@ -171,6 +172,12 @@ static int configure_serialno(struct bootflow *bflow) return bootflow_cmdline_set_arg(bflow, "androidboot.serialno", serialno, false); } +static int configure_bootloader_version(struct bootflow *bflow) +{ + return bootflow_cmdline_set_arg(bflow, "androidboot.bootloader", + PLAIN_VERSION, false); +} + static int android_read_bootflow(struct udevice *dev, struct bootflow *bflow) { struct blk_desc *desc = dev_get_uclass_plat(bflow->blk); @@ -264,8 +271,12 @@ static int android_read_bootflow(struct udevice *dev, struct bootflow *bflow) goto free_priv; } - /* Ignoring return code: setting serial number is not mandatory for booting */ + /* + * Ignoring return code for the following configurations: + * these are not mandatory for booting. + */ configure_serialno(bflow); + configure_bootloader_version(bflow); if (priv->boot_mode == ANDROID_BOOT_MODE_NORMAL) { ret = bootflow_cmdline_set_arg(bflow, "androidboot.force_normal_boot", --- base-commit: 360aaddd9cea8c256f50c576794415cadfb61819 change-id: 20240904-bootmeth-bootloader-version-2a2b35fce4cf Best regards, -- Mattijs Korpershoek <mkorpersh...@baylibre.com>
