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colibri_imx6: use SDP if USB serial downloader has been used

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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>
This commit is contained in:
Stefan Agner 2019-02-08 18:42:26 +01:00 committed by Stefano Babic
parent 2921582c89
commit 52084bfc80
1 changed files with 9 additions and 1 deletions
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10
board/toradex/colibri_imx6/colibri_imx6.c
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@ -663,6 +663,14 @@ 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 */
@ -693,7 +701,7 @@ 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,