Commit 169ecb4a authored by Paul Kocialkowski's avatar Paul Kocialkowski Committed by Tom Rini
Browse files

sniper: Serial number support, obtained from die ID



The OMAP3 has some die-specific ID bits that we can use to give the device a
(more or less) unique serial number. This is particularly useful for e.g. USB.
Signed-off-by: default avatarPaul Kocialkowski <contact@paulk.fr>
parent 957efd4b
......@@ -70,7 +70,9 @@ int board_init(void)
int misc_init_r(void)
{
char serial_string[17] = { 0 };
char reboot_mode[2] = { 0 };
u32 dieid[4] = { 0 };
/* Reboot mode */
......@@ -82,6 +84,17 @@ int misc_init_r(void)
omap_reboot_mode_clear();
}
/* Serial number */
get_dieid((u32 *)&dieid);
if (!getenv("serial#")) {
snprintf(serial_string, sizeof(serial_string),
"%08x%08x", dieid[0], dieid[3]);
setenv("serial#", serial_string);
}
return 0;
}
......
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