From 7b68357130cbbda33d12dc3225361e851aaa501b Mon Sep 17 00:00:00 2001 From: Ye Li Date: Wed, 6 Apr 2022 14:30:23 +0800 Subject: [PATCH] imx: imx8ulp_evk: call the handshake with M33 If M33 handshake is successful, TPM and DSI panel MUX setting is done by M33, no need to set them. If handshake is failed or M33 is not booted, continue the TPM and DSI panel MUX setting Reviewed-by: Peng Fan Signed-off-by: Ye Li Signed-off-by: Biwen Li Signed-off-by: Peng Fan --- board/freescale/imx8ulp_evk/imx8ulp_evk.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/board/freescale/imx8ulp_evk/imx8ulp_evk.c b/board/freescale/imx8ulp_evk/imx8ulp_evk.c index 1502e4dbb6..b61a4cfbe8 100644 --- a/board/freescale/imx8ulp_evk/imx8ulp_evk.c +++ b/board/freescale/imx8ulp_evk/imx8ulp_evk.c @@ -101,10 +101,18 @@ void mipi_dsi_panel_backlight(void) int board_init(void) { + int sync = -ENODEV; + if (IS_ENABLED(CONFIG_FEC_MXC)) setup_fec(); - if (IS_ENABLED(CONFIG_DM_VIDEO)) { + if (m33_image_booted()) { + sync = m33_image_handshake(1000); + printf("M33 Sync: %s\n", sync ? "Timeout" : "OK"); + } + + /* When sync with M33 is failed, use local driver to set for video */ + if (sync != 0 && IS_ENABLED(CONFIG_DM_VIDEO)) { mipi_dsi_mux_panel(); mipi_dsi_panel_backlight(); } -- 2.39.5