diff options
Diffstat (limited to 'arch/arm/kernel/devtree.c')
| -rw-r--r-- | arch/arm/kernel/devtree.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c index 1a33e9d6bb1f..e855fcb71bf9 100644 --- a/arch/arm/kernel/devtree.c +++ b/arch/arm/kernel/devtree.c @@ -75,6 +75,9 @@ struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys) unsigned int score, mdesc_score = ~1; unsigned long dt_root; const char *model; + __be32 *serial_prop; + u64 serial = 0; + unsigned long len; if (!dt_phys) return NULL; @@ -118,7 +121,16 @@ struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys) model = of_get_flat_dt_prop(dt_root, "compatible", NULL); if (!model) model = "<unknown>"; - pr_info("Machine: %s, model: %s\n", mdesc_best->name, model); + + serial_prop = of_get_flat_dt_prop(dt_root, "serial-num", &len); + if (serial_prop) { + serial = of_read_number(serial_prop, len / 4); + } + system_serial_high = serial >> 32; + system_serial_low = serial; + + pr_info("Machine: %s, model: %s, serial: %llu\n", mdesc_best->name, + model, serial); /* Retrieve various information from the /chosen node */ of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line); |