From 8207d4ee44d3f525bf9aa57807ac9db5d0d90c1a Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Fri, 8 Feb 2019 18:28:13 +0100 Subject: parisc: Show machine product number during boot Ask PDC firmware during boot for the original and current product number as well as the serial number and show it (if available). Signed-off-by: Helge Deller --- arch/parisc/kernel/processor.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'arch/parisc/kernel/processor.c') diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index 82bd0d0927ce..7f4d042856b5 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -242,6 +242,7 @@ static int __init processor_probe(struct parisc_device *dev) void __init collect_boot_cpu_data(void) { unsigned long cr16_seed; + char orig_prod_num[64], current_prod_num[64], serial_no[64]; memset(&boot_cpu_data, 0, sizeof(boot_cpu_data)); @@ -301,6 +302,14 @@ void __init collect_boot_cpu_data(void) _parisc_requires_coherency = (boot_cpu_data.cpu_type == mako) || (boot_cpu_data.cpu_type == mako2); #endif + + if (pdc_model_platform_info(orig_prod_num, current_prod_num, serial_no) == PDC_OK) { + printk(KERN_INFO "product %s, original product %s, S/N: %s\n", + current_prod_num, orig_prod_num, serial_no); + add_device_randomness(orig_prod_num, strlen(orig_prod_num)); + add_device_randomness(current_prod_num, strlen(current_prod_num)); + add_device_randomness(serial_no, strlen(serial_no)); + } } -- cgit v1.2.3-59-g8ed1b