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powerpc/64: Add logical PVR to the hardware description

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If we detect a logical PVR add that to the hardware description, which
is printed at boot and in case of an oops.

eg: Hardware name: ... 0xf000004

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220930082709.55830-3-mpe@ellerman.id.au
This commit is contained in:
Michael Ellerman
2022-09-30 18:35:53 +10:00
parent bd649d40e0
commit 48b7019b6a
1 changed files with 3 additions and 1 deletions
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arch/powerpc/kernel/prom.c
+3 -1
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@@ -390,8 +390,10 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
*/
if (!dt_cpu_ftrs_in_use()) {
prop = of_get_flat_dt_prop(node, "cpu-version", NULL);
if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000)
if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000) {
identify_cpu(0, be32_to_cpup(prop));
seq_buf_printf(&ppc_hw_desc, "0x%04x ", be32_to_cpup(prop));
}
check_cpu_feature_properties(node);
check_cpu_features(node, "ibm,pa-features", ibm_pa_features,