On a reset/reboot, the display power needs to be off for atleast 500ms before turning it back on. So add a delay to the boot process to meet the display timing requirement.
Signed-off-by: Akshay Bhat <akshay.b...@timesys.com> Cc: Stefano Babic <sba...@denx.de> --- board/ge/bx50v3/bx50v3.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c index b6db91b..822fc35 100644 --- a/board/ge/bx50v3/bx50v3.c +++ b/board/ge/bx50v3/bx50v3.c @@ -472,6 +472,13 @@ static void setup_display_bx50v3(void) struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + /* When a reset/reboot is performed the display power needs to be turned + * off for atleast 500ms. The boot time is ~300ms, we need to wait for + * an additional 200ms here. Unfortunately we use external PMIC for + * doing the reset, so can not differentiate between POR vs soft reset + */ + mdelay(200); + /* IPU1 DI0 clock is 480/7 = 68.5 MHz */ setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV); -- 2.8.1 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot