diff options
| author | Marc Jones <marcjones@sysproconsulting.com> | 2020-10-28 17:08:54 -0600 |
|---|---|---|
| committer | Marc Jones <marc@marcjonesconsulting.com> | 2020-11-03 17:18:52 +0000 |
| commit | 995a7e25a1b84f01a07dacca043ec8cd17a5efd3 (patch) | |
| tree | 0693918ae92c026c057fc2624e3f534cfd5d6b8e /src/soc/intel/xeon_sp/skx | |
| parent | 3dea2b63eeb8f97b31571f6f0eb37f38f9967b6b (diff) | |
soc/intel/xeon_sp; Use soc specific stack-port function
Separate the get_stack_for_port into soc specific functions. This
removes a #if in common code.
Change-Id: Ib38a7d66947ded9b56193a9163e5128b2523e99c
Signed-off-by: Marc Jones <marcjones@sysproconsulting.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46971
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/intel/xeon_sp/skx')
| -rw-r--r-- | src/soc/intel/xeon_sp/skx/include/soc/soc_util.h | 1 | ||||
| -rw-r--r-- | src/soc/intel/xeon_sp/skx/soc_util.c | 28 |
2 files changed, 29 insertions, 0 deletions
diff --git a/src/soc/intel/xeon_sp/skx/include/soc/soc_util.h b/src/soc/intel/xeon_sp/skx/include/soc/soc_util.h index 25668301a4..cce542a1d5 100644 --- a/src/soc/intel/xeon_sp/skx/include/soc/soc_util.h +++ b/src/soc/intel/xeon_sp/skx/include/soc/soc_util.h @@ -27,5 +27,6 @@ const struct SystemMemoryMapHob *get_system_memory_map(void); void set_bios_init_completion(void); unsigned int soc_get_num_cpus(void); +int soc_get_stack_for_port(int port); #endif /* _SOC_UTIL_H_ */ diff --git a/src/soc/intel/xeon_sp/skx/soc_util.c b/src/soc/intel/xeon_sp/skx/soc_util.c index 7dd954fd66..3af6483dfe 100644 --- a/src/soc/intel/xeon_sp/skx/soc_util.c +++ b/src/soc/intel/xeon_sp/skx/soc_util.c @@ -394,4 +394,32 @@ void xeonsp_init_cpu_config(void) } } +/* + * EX: SKX-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 3 IOU3 + * 5A..4D PSTACK3 stack 4 IOU4 + * 5A..5D PSTACK4 stack 5 IOU5 + */ +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 if (port >= PORT_4A && port <= PORT_4D) + return PSTACK3; // MCP0 + else if (port >= PORT_5A && port <= PORT_5D) + return PSTACK4; // MCP1 + else + return -1; +} #endif |