Our Linux kernel switches the HDMI connector onto IPU0/DI1,
but the U-Boot display driver only supports IPU0/DI0 for the
time being.
Because of this, a soft re-boot will leave the HDMI output
connected to the wrong display port and prevent video from
being displayed.
Signed-off-by: Eric Nelson <eric.nel...@boundarydevices.com>
---
board/boundary/nitrogen6x/nitrogen6x.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/board/boundary/nitrogen6x/nitrogen6x.c
b/board/boundary/nitrogen6x/nitrogen6x.c
index 79ab449..1419f36 100644
--- a/board/boundary/nitrogen6x/nitrogen6x.c
+++ b/board/boundary/nitrogen6x/nitrogen6x.c
@@ -666,7 +666,8 @@ static void setup_display(void)
writel(reg, &iomux->gpr[2]);
reg = readl(&iomux->gpr[3]);
- reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
+ reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK
+ |IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
| (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
<<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
writel(reg, &iomux->gpr[3]);
--
1.8.1.2
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