diff options
Diffstat (limited to 'src/soc/intel/xeon_sp/skx/soc_util.c')
| -rw-r--r-- | src/soc/intel/xeon_sp/skx/soc_util.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/soc/intel/xeon_sp/skx/soc_util.c b/src/soc/intel/xeon_sp/skx/soc_util.c index 7d95ae8600..b903249e1d 100644 --- a/src/soc/intel/xeon_sp/skx/soc_util.c +++ b/src/soc/intel/xeon_sp/skx/soc_util.c @@ -148,3 +148,24 @@ int soc_get_stack_for_port(int port) else return -1; } + +uint8_t soc_get_iio_ioapicid(int socket, int stack) +{ + uint8_t ioapic_id = socket ? 0xf : 0x9; + switch (stack) { + case CSTACK: + break; + case PSTACK0: + ioapic_id += 1; + break; + case PSTACK1: + ioapic_id += 2; + break; + case PSTACK2: + ioapic_id += 3; + break; + default: + return 0xff; + } + return ioapic_id; +} |