diff options
| -rw-r--r-- | src/soc/intel/alderlake/romstage/fsp_params.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/soc/intel/alderlake/romstage/fsp_params.c b/src/soc/intel/alderlake/romstage/fsp_params.c index 0eeaabde69..790aa99bb9 100644 --- a/src/soc/intel/alderlake/romstage/fsp_params.c +++ b/src/soc/intel/alderlake/romstage/fsp_params.c @@ -47,14 +47,21 @@ static void pcie_rp_init(FSP_M_CONFIG *m_cfg, uint32_t en_mask, enum pcie_rp_typ const struct pcie_rp_config *cfg, size_t cfg_count) { size_t i; + /* bitmask to save the status of clkreq assignment */ + static unsigned int clk_req_mapping = 0; for (i = 0; i < cfg_count; i++) { if (!(en_mask & BIT(i))) continue; if (cfg[i].flags & PCIE_RP_CLK_SRC_UNUSED) continue; - if (!(cfg[i].flags & PCIE_RP_CLK_REQ_UNUSED)) + if (clk_req_mapping & (1 << cfg[i].clk_req)) + printk(BIOS_WARNING, "Found overlapped clkreq assignment on clk req %d\n" + , cfg[i].clk_req); + if (!(cfg[i].flags & PCIE_RP_CLK_REQ_UNUSED)) { m_cfg->PcieClkSrcClkReq[cfg[i].clk_src] = cfg[i].clk_req; + clk_req_mapping |= 1 << cfg[i].clk_req; + } m_cfg->PcieClkSrcUsage[cfg[i].clk_src] = clk_src_to_fsp(type, i); } } |