[U-Boot] [PATCH v2 08/12] exynos: Enable PSHOLD in SPL

Simon Glass sjg at chromium.org
Thu Apr 3 01:24:25 CEST 2014


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 at chromium.org>
Reviewed-by: Lukasz Majewski <l.majewski at 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) {
-- 
1.9.1.423.g4596e3a



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