diff options
Diffstat (limited to 'hdata/hdata.h')
| -rw-r--r-- | hdata/hdata.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/hdata/hdata.h b/hdata/hdata.h index e387186..6da9b55 100644 --- a/hdata/hdata.h +++ b/hdata/hdata.h @@ -17,6 +17,8 @@ #ifndef __HDATA_H #define __HDATA_H +#include <processor.h> + struct dt_node; extern void memory_parse(void); @@ -32,6 +34,20 @@ extern void vpd_parse(void); extern struct dt_node *find_xscom_for_chip(uint32_t chip_id); extern uint32_t pcid_to_chip_id(uint32_t proc_chip_id); +static __unused bool is_power9n(uint32_t version) +{ + if (PVR_TYPE(version) != PVR_TYPE_P9) + return false; + /* + * Bit 13 tells us: + * 0 = Scale out (aka Nimbus) + * 1 = Scale up (aka Cumulus) + */ + if ((version >> 13) & 1) + return false; + return true; +} + extern struct dt_node *add_core_common(struct dt_node *cpus, const struct sppaca_cpu_cache *cache, const struct sppaca_cpu_timebase *tb, |