From: Stefan Agner stefan.agner@toradex.com
In case USB serial downloader has been used to load U-Boot start the serial download protocol (SDP) emulation. This allows to download complete images such as Toradex Easy Installer over USB SDP as well. This code uses the boot ROM provided boot information to reliably detect USB serial downloader.
Signed-off-by: Stefan Agner stefan.agner@toradex.com Signed-off-by: Oleksandr Suvorov oleksandr.suvorov@toradex.com ---
board/toradex/colibri_imx7/colibri_imx7.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/board/toradex/colibri_imx7/colibri_imx7.c b/board/toradex/colibri_imx7/colibri_imx7.c index 301b07d5b4..6822102d2c 100644 --- a/board/toradex/colibri_imx7/colibri_imx7.c +++ b/board/toradex/colibri_imx7/colibri_imx7.c @@ -355,12 +355,22 @@ int board_usb_phy_mode(int port) } }
+#if defined(CONFIG_BOARD_LATE_INIT) int board_late_init(void) { #if defined(CONFIG_DM_VIDEO) setup_lcd(); #endif + +#if defined(CONFIG_CMD_USB_SDP) + if (is_boot_from_usb()) { + printf("Serial Downloader recovery mode, using sdp command\n"); + env_set("bootdelay", "0"); + env_set("bootcmd", "sdp 0"); + } +#endif return 0; } +#endif /* CONFIG_BOARD_LATE_INIT */
#endif