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pico-imx7d: Provide a way to escape the Falcon mode

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When CONFIG_SPL_OS_BOOT is selected, it is still convenient to be able
to escape from Falcon mode and boot to U-Boot proper.

Add a mechanism that allows booting in U-Boot proper when the
key 'c' is entered on console at boot time.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
This commit is contained in:
Fabio Estevam 2019-09-11 14:30:28 -03:00 committed by Stefano Babic
parent 26e85def4c
commit b446ce2977
1 changed files with 4 additions and 0 deletions
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4
board/technexion/pico-imx7d/spl.c
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@ -21,6 +21,10 @@
#ifdef CONFIG_SPL_OS_BOOT #ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void) int spl_start_uboot(void)
{ {
/* Break into full U-Boot on 'c' */
if (serial_tstc() && serial_getc() == 'c')
return 1;
return 0; return 0;
} }
#endif #endif