[U-Boot] [PATCH] armv8: ls1028ardb: enable DisplayPort Power support
Wen He
wen.he_1 at nxp.com
Tue Jul 23 07:00:39 UTC 2019
> -----Original Message-----
> From: Wen He <wen.he_1 at nxp.com>
> Sent: 2019年7月23日 10:06
> To: Andy Tang <andy.tang at nxp.com>; u-boot at lists.denx.de
> Cc: Wen He <wen.he_1 at nxp.com>
> Subject: [PATCH] armv8: ls1028ardb: enable DisplayPort Power support
>
> Enable DP_PWR signal to power the DP to HDMI converter cable.
>
> Signed-off-by: Wen He <wen.he_1 at nxp.com>
> ---
> include/configs/ls1028a_common.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/include/configs/ls1028a_common.h
> b/include/configs/ls1028a_common.h
> index 41ce4a054c..25fc548c99 100644
> --- a/include/configs/ls1028a_common.h
> +++ b/include/configs/ls1028a_common.h
> @@ -135,6 +135,7 @@
> "$kernelheader_size && esbc_validate ${kernelheader_addr_r}; "\
> " bootm $load_addr#$board\0" \
> "xspi_hdploadcmd=echo Trying load HDP firmware from FlexSPI...;" \
> + "i2c mw 0x66 0x54 0x0;" \
> "sf probe 0:0 && sf read $load_addr 0x940000 0x30000 " \
> "&& hdp load $load_addr 0x2000\0" \
> "sd_bootcmd=echo Trying load from SD ...;" \ @@ -145,6 +146,7 @@
> " && esbc_validate ${kernelheader_addr_r};" \
> "bootm $load_addr#$board\0" \
> "sd_hdploadcmd=echo Trying load HDP firmware from SD..;" \
> + "i2c mw 0x66 0x54 0x0;" \
> "mmcinfo;mmc read $load_addr 0x4a00 0x200 " \
> "&& hdp load $load_addr 0x2000\0" \
> "emmc_bootcmd=echo Trying load from EMMC ..;" \
> @@ -155,6 +157,7 @@
> " && esbc_validate ${kernelheader_addr_r};" \
> "bootm $load_addr#$board\0" \
> "emmc_hdploadcmd=echo Trying load HDP firmware from EMMC..;"
> \
> + "i2c mw 0x66 0x54 0x0;" \
> "mmc dev 1;mmcinfo;mmc read $load_addr 0x4a00 0x200 " \
> "&& hdp load $load_addr 0x2000\0"
>
Sorry, Should be move this function to platform initialization, will send v2 version.
Best Regards,
Wen
> --
> 2.17.1
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