xref: /aosp_15_r20/external/coreboot/src/drivers/ocp/vpd/xeonsp_cxl.c (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c) 
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #include <drivers/ocp/include/vpd.h>
4 #include <soc/config.h>
5 
get_cxl_mode(void)6 enum xeonsp_cxl_mode get_cxl_mode(void)
7 {
8 	int ocp_cxl_mode = get_cxl_mode_from_vpd();
9 	switch (ocp_cxl_mode) {
10 	case CXL_SYSTEM_MEMORY:
11 		return XEONSP_CXL_SYS_MEM;
12 	case CXL_SPM:
13 		return XEONSP_CXL_SP_MEM;
14 	default:
15 		return XEONSP_CXL_DISABLED;
16 	}
17 }
18