From: Frank Li <frank...@nxp.com>

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...@nxp.com>
Signed-off-by: Alice Guo <alice....@nxp.com>
Reviewed-by: Ye Li <ye...@nxp.com>
---
 arch/arm/mach-imx/spl.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c
index 4a86d8698b4..24a8cf167d1 100644
--- a/arch/arm/mach-imx/spl.c
+++ b/arch/arm/mach-imx/spl.c
@@ -21,6 +21,8 @@
 #include <g_dnl.h>
 #include <linux/libfdt.h>
 #include <memalign.h>
+#include <asm/setup.h>
+#include <asm/bootm.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -184,6 +186,14 @@ u32 spl_boot_device(void)
 #ifdef CONFIG_SPL_USB_GADGET
 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
 {
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+       struct tag_serialnr serialnr;
+       char serial_string[0x21] = {0};
+
+       get_board_serial(&serialnr);
+       snprintf(serial_string, sizeof(serial_string), "%08x%08x", 
serialnr.high, serialnr.low);
+       g_dnl_set_serialnumber(serial_string);
+#endif
        put_unaligned(0x0151, &dev->idProduct);
 
        return 0;

-- 
2.43.0

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