From: Frank Li Frank.Li@nxp.com
ROM use UID[0] and UID[1] as serial number with big endian when usb serial download.
After update this, uuu(>1.6) can use below command to filter out devices when multi boards connected.
uuu -ms <serial#> ...
[sudo] uuu -lsusb can list known devices with serial# informaiton.
Signed-off-by: Frank Li Frank.Li@nxp.com Reviewed-by: Ye Li ye.li@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/mach-imx/imx9/soc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c index 25b9116f2a6..f458fc0564e 100644 --- a/arch/arm/mach-imx/imx9/soc.c +++ b/arch/arm/mach-imx/imx9/soc.c @@ -563,8 +563,8 @@ void get_board_serial(struct tag_serialnr *serialnr) printf("UID: 0x%x 0x%x 0x%x 0x%x\n", gd->arch.uid[0], gd->arch.uid[1], gd->arch.uid[2], gd->arch.uid[3]);
- serialnr->low = gd->arch.uid[0]; - serialnr->high = gd->arch.uid[3]; + serialnr->low = __be32_to_cpu(gd->arch.uid[1]); + serialnr->high = __be32_to_cpu(gd->arch.uid[0]); } #endif