There is quite a tight deadline in enabling PSHOLD, less than a second. In some cases (e.g. with USB download), U-Boot takes longer than that to load, so the board powers off before U-Boot starts.
Add a call in SPL to enable PSHOLD.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Lukasz Majewski l.majewski@samsung.com ---
Changes in v2: None
arch/arm/cpu/armv7/exynos/lowlevel_init.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/cpu/armv7/exynos/lowlevel_init.c b/arch/arm/cpu/armv7/exynos/lowlevel_init.c index 11fe5b8..48b5511 100644 --- a/arch/arm/cpu/armv7/exynos/lowlevel_init.c +++ b/arch/arm/cpu/armv7/exynos/lowlevel_init.c @@ -48,6 +48,8 @@ int do_lowlevel_init(void)
arch_cpu_init();
+ set_ps_hold_ctrl(); + reset_status = get_reset_status();
switch (reset_status) {