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[U-Boot,V2,10/14] imx: mx6: implement reset_misc

Message ID 1445341184-22272-11-git-send-email-Peng.Fan@freescale.com
State Changes Requested
Delegated to: Stefano Babic
Headers show

Commit Message

Peng Fan Oct. 20, 2015, 11:39 a.m. UTC 
We need to power down lcdif before uboot reset to make reset can pass
stress test. Or system may hang.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
---

V2:
 none

 arch/arm/cpu/armv7/mx6/soc.c | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 282302b..5505821 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -392,6 +392,14 @@  const struct boot_mode soc_boot_modes[] = {
 	{NULL,		0},
 };
 
+void reset_misc(void)
+{
+#ifdef CONFIG_VIDEO_MXS
+	if (is_cpu_type(MXC_CPU_MX6UL))
+		lcdif_power_down();
+#endif
+}
+
 void s_init(void)
 {
 	struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;