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Diffstat (limited to 'src/soc/intel/pantherlake/pcie_rp.c')
-rw-r--r--src/soc/intel/pantherlake/pcie_rp.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/soc/intel/pantherlake/pcie_rp.c b/src/soc/intel/pantherlake/pcie_rp.c
new file mode 100644
index 0000000000..374c3aa1e1
--- /dev/null
+++ b/src/soc/intel/pantherlake/pcie_rp.c
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <intelblocks/pcie_rp.h>
+#include <soc/pci_devs.h>
+#include <soc/pcie.h>
+#include <soc/soc_info.h>
+
+/*
+ * TBT's LCAP registers are returning port index which starts from 0x10 (Usually for other PCIe
+ * root ports index starts from 1). Thus keeping lcap_port_base 0x10 for TBT, so that coreboot's
+ * PCIe remapping logic can return correct index (0-based)
+ */
+
+static const struct pcie_rp_group tbt_rp_groups[] = {
+ { .slot = PCI_DEV_SLOT_TBT, .count = CONFIG_MAX_TBT_ROOT_PORTS, .lcap_port_base = 0x10 },
+ { 0 }
+};
+
+static const struct pcie_rp_group ptl_rp_groups[] = {
+ { .slot = PCI_DEV_SLOT_PCIE_1, .count = 8, .lcap_port_base = 1 },
+#if CONFIG(SOC_INTEL_PANTHERLAKE_U_H)
+ { .slot = PCI_DEV_SLOT_PCIE_2, .count = 4, .lcap_port_base = 1 },
+#else
+ { .slot = PCI_DEV_SLOT_PCIE_2, .count = 2, .lcap_port_base = 1 },
+#endif
+ { 0 }
+};
+
+const struct pcie_rp_group *get_pcie_rp_table(void)
+{
+ return ptl_rp_groups;
+}
+
+const struct pcie_rp_group *get_tbt_pcie_rp_table(void)
+{
+ return tbt_rp_groups;
+}
+
+enum pcie_rp_type soc_get_pcie_rp_type(const struct device *dev)
+{
+ return PCIE_RP_PCH;
+}
+
+int soc_get_cpu_rp_vw_idx(const struct device *dev)
+{
+ return -1;
+}