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

Message ID 1396481069-24950-9-git-send-email-sjg@chromium.org
State Changes Requested
Delegated to: Minkyu Kang
Headers show

Commit Message

Simon Glass April 2, 2014, 11:24 p.m. UTC 
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(+)
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Patch

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) {