It is possible to boot a kernel without CMDLINE being enabled. Update the implementation to handle this, and drop the condition from the FASTBOOT config.

Reviewed-by: Mattijs Korpershoek mkorpershoek@baylibre.com

Signed-off-by: Simon Glass sjg@chromium.org ---

Changes in v3: - Expand the fastboot help

Changes in v2: - Avoid changing the logic when a command is not set

drivers/fastboot/Kconfig | 5 ++++- drivers/fastboot/fb_common.c | 30 ++++++++++++++---------------- 2 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/drivers/fastboot/Kconfig b/drivers/fastboot/Kconfig index 11fc0fe1c800..449244ab6a8e 100644 --- a/drivers/fastboot/Kconfig +++ b/drivers/fastboot/Kconfig @@ -1,5 +1,4 @@ menu "Fastboot support" - depends on CMDLINE

config FASTBOOT bool @@ -13,6 +12,10 @@ config FASTBOOT More information about the protocol and usecases: https://android.googlesource.com/platform/system/core/+/refs/heads/master/fa...

+ Note that enabling CMDLINE is recommended since fastboot allows U-Boot + commands to be executed on request. The CMDLINE option is required + for anything other than simply booting the OS. + config USB_FUNCTION_FASTBOOT bool "Enable USB fastboot gadget" depends on USB_GADGET diff --git a/drivers/fastboot/fb_common.c b/drivers/fastboot/fb_common.c index 07f5946d9ed1..595954542a6e 100644 --- a/drivers/fastboot/fb_common.c +++ b/drivers/fastboot/fb_common.c @@ -11,6 +11,7 @@ */

#include <bcb.h> +#include <bootm.h> #include <common.h> #include <command.h> #include <env.h> @@ -142,22 +143,19 @@ void (*fastboot_get_progress_callback(void))(const char *) */ void fastboot_boot(void) { - char *s; - - s = env_get("fastboot_bootcmd"); - if (s) { - run_command(s, CMD_FLAG_ENV); - } else if (IS_ENABLED(CONFIG_CMD_BOOTM)) { - static char boot_addr_start[20]; - static char *const bootm_args[] = { - "bootm", boot_addr_start, NULL - }; - - snprintf(boot_addr_start, sizeof(boot_addr_start) - 1, - "%lx", fastboot_buf_addr); - printf("Booting kernel at %s...\n\n\n", boot_addr_start); - - do_bootm(NULL, 0, 2, bootm_args); + char *s = NULL; + + if (IS_ENABLED(CONFIG_CMDLINE)) { + s = env_get("fastboot_bootcmd"); + if (s) + run_command(s, CMD_FLAG_ENV); + } + + if (!s && IS_ENABLED(CONFIG_BOOTM)) { + int ret; + + printf("Booting kernel at %lx...\n\n\n", fastboot_buf_addr); + ret = bootm_boot_start(fastboot_buf_addr, NULL);

/* * This only happens if image is somehow faulty so we start