diff options
Diffstat (limited to 'src/soc/intel/xeon_sp/cpx/soc_util.c')
| -rw-r--r-- | src/soc/intel/xeon_sp/cpx/soc_util.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/soc/intel/xeon_sp/cpx/soc_util.c b/src/soc/intel/xeon_sp/cpx/soc_util.c index bc4a1e15b1..de6d8525c2 100644 --- a/src/soc/intel/xeon_sp/cpx/soc_util.c +++ b/src/soc/intel/xeon_sp/cpx/soc_util.c @@ -319,3 +319,25 @@ void set_bios_init_completion(void) /* And finally, take care of the SBSP */ set_bios_init_completion_for_package(sbsp_socket_id); } +/* + * EX: CPX-SP + * Ports Stack Stack(HOB) IioConfigIou + * ========================================== + * 0 CSTACK stack 0 IOU0 + * 1A..1D PSTACKZ stack 1 IOU1 + * 2A..2D PSTACK1 stack 2 IOU2 + * 3A..3D PSTACK2 stack 4 IOU3 + */ +int soc_get_stack_for_port(int port) +{ + if (port == PORT_0) + return CSTACK; + else if (port >= PORT_1A && port <= PORT_1D) + return PSTACK0; + else if (port >= PORT_2A && port <= PORT_2D) + return PSTACK1; + else if (port >= PORT_3A && port <= PORT_3D) + return PSTACK2; + else + return -1; +} |