pico-imx7d: Add Falcon mode support
Falcon mode boots the kernel directly from SPL, without loading
the full U-Boot.
As pico-imx7d does not have a GPIO for selecting Falcon versus
normal mode, enter in Falcon mode when the customer selects
the CONFIG_SPL_OS_BOOT option in menuconfig.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
diff --git a/board/technexion/pico-imx7d/spl.c b/board/technexion/pico-imx7d/spl.c
index 14d96cb..a5463ee 100644
--- a/board/technexion/pico-imx7d/spl.c
+++ b/board/technexion/pico-imx7d/spl.c
@@ -13,6 +13,14 @@
#include <spl.h>
#if defined(CONFIG_SPL_BUILD)
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+ return 0;
+}
+#endif
+
static struct ddrc ddrc_regs_val = {
.mstr = 0x01040001,
.rfshtmg = 0x00400046,