diff options
Diffstat (limited to 'arch/powerpc/kernel/prom.c')
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 9f329a8928ea..acc0d247d3c3 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -697,6 +697,18 @@ static int __init early_init_dt_scan_cpus(unsigned long node, prop = of_get_flat_dt_prop(node, "cpu-version", NULL); if (prop && (*prop & 0xff000000) == 0x0f000000) identify_cpu(0, *prop); +#if defined(CONFIG_44x) && defined(CONFIG_PPC_FPU) + /* + * Since 440GR(x)/440EP(x) processors have the same pvr, + * we check the node path and set bit 28 in the cur_cpu_spec + * pvr for EP(x) processor version. This bit is always 0 in + * the "real" pvr. Then we call identify_cpu again with + * the new logical pvr to enable FPU support. + */ + if (strstr(uname, "440EP")) { + identify_cpu(0, cur_cpu_spec->pvr_value | 0x8); + } +#endif } check_cpu_feature_properties(node); |