We use the same variable as a3m071 in the environment to determine if we
should boot into Linux or U-Boot. This is useful on boards like
Beaglebone Black or AM335x GP EVM where we have persistent storage for
the environment.
Signed-off-by: Tom Rini <tr...@ti.com>
---
board/ti/am335x/board.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index db225ce..faf2bda 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -30,6 +30,7 @@
#include <power/tps65910.h>
#include <environment.h>
#include <watchdog.h>
+#include <environment.h>
#include "board.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -236,7 +237,17 @@ static struct emif_regs ddr3_evm_emif_reg_data = {
int spl_start_uboot(void)
{
/* break into full u-boot on 'c' */
- return (serial_tstc() && serial_getc() == 'c');
+ if (serial_tstc() && serial_getc() == 'c')
+ return 1;
+
+#ifdef CONFIG_SPL_ENV_SUPPORT
+ env_init();
+ env_relocate_spec();
+ if (getenv_yesno("boot_os") != 1)
+ return 1;
+#endif
+
+ return 0;
}
#endif
--
1.7.9.5
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