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 Acked-by: Marcel Ziswiler marcel.ziswiler@toradex.com
---
board/toradex/colibri_imx6/colibri_imx6.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/board/toradex/colibri_imx6/colibri_imx6.c b/board/toradex/colibri_imx6/colibri_imx6.c index fd988bd2b0..4d9032419a 100644 --- a/board/toradex/colibri_imx6/colibri_imx6.c +++ b/board/toradex/colibri_imx6/colibri_imx6.c @@ -654,6 +654,14 @@ int board_late_init(void) env_set("board_rev", env_str); #endif
+#ifdef 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 /* CONFIG_CMD_USB_SDP */ + return 0; } #endif /* CONFIG_BOARD_LATE_INIT */ @@ -684,7 +692,7 @@ int ft_board_setup(void *blob, bd_t *bd)
ft_common_board_setup(blob, bd);
- cma_size = getenv_ulong("cma-size", 10, 320 * 1024 * 1024); + cma_size = env_get_ulong("cma-size", 10, 320 * 1024 * 1024); cma_size = min((u32)(gd->ram_size >> 1), cma_size);
fdt_setprop_u32(blob,