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-rw-r--r--arch/parisc/include/asm/pdc.h2
-rw-r--r--arch/parisc/kernel/firmware.c6
-rw-r--r--arch/parisc/kernel/processor.c7
3 files changed, 14 insertions, 1 deletions
diff --git a/arch/parisc/include/asm/pdc.h b/arch/parisc/include/asm/pdc.h
index 430f1aeea0b..a26e98dc0d4 100644
--- a/arch/parisc/include/asm/pdc.h
+++ b/arch/parisc/include/asm/pdc.h
@@ -49,6 +49,8 @@
#define PDC_MODEL_CPU_ID 6 /* returns cpu-id (only newer machines!) */
#define PDC_MODEL_CAPABILITIES 7 /* returns OS32/OS64-flags */
/* Values for PDC_MODEL_CAPABILITIES non-equivalent virtual aliasing support */
+#define PDC_MODEL_OS64 (1 << 0)
+#define PDC_MODEL_OS32 (1 << 1)
#define PDC_MODEL_IOPDIR_FDC (1 << 2)
#define PDC_MODEL_NVA_MASK (3 << 4)
#define PDC_MODEL_NVA_SUPPORTED (0 << 4)
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index f6d241238a7..4c247e02d9b 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -527,7 +527,11 @@ int pdc_model_capabilities(unsigned long *capabilities)
pdc_result[0] = 0; /* preset zero (call may not be implemented!) */
retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, __pa(pdc_result), 0);
convert_to_wide(pdc_result);
- *capabilities = pdc_result[0];
+ if (retval == PDC_OK) {
+ *capabilities = pdc_result[0];
+ } else {
+ *capabilities = PDC_MODEL_OS32;
+ }
spin_unlock_irqrestore(&pdc_lock, flags);
return retval;
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index ecb609342fe..df5e28c7a82 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -364,6 +364,13 @@ show_cpuinfo (struct seq_file *m, void *v)
boot_cpu_data.cpu_hz / 1000000,
boot_cpu_data.cpu_hz % 1000000 );
+ seq_printf(m, "capabilities\t:");
+ if (boot_cpu_data.pdc.capabilities & PDC_MODEL_OS32)
+ seq_printf(m, " os32");
+ if (boot_cpu_data.pdc.capabilities & PDC_MODEL_OS64)
+ seq_printf(m, " os64");
+ seq_printf(m, "\n");
+
seq_printf(m, "model\t\t: %s\n"
"model name\t: %s\n",
boot_cpu_data.pdc.sys_model_name,