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-rw-r--r--src/soc/amd/common/block/include/amdblocks/root_complex.h2
-rw-r--r--src/soc/amd/common/fsp/Makefile.inc1
-rw-r--r--src/soc/amd/common/fsp/fsp_report_resources.c35
3 files changed, 38 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/root_complex.h b/src/soc/amd/common/block/include/amdblocks/root_complex.h
index 6149897b1e..fd75ddffa3 100644
--- a/src/soc/amd/common/block/include/amdblocks/root_complex.h
+++ b/src/soc/amd/common/block/include/amdblocks/root_complex.h
@@ -22,4 +22,6 @@ void read_non_pci_resources(struct device *domain, unsigned int *idx);
uint32_t get_iohc_misc_smn_base(struct device *domain);
const struct non_pci_mmio_reg *get_iohc_non_pci_mmio_regs(size_t *count);
+void read_fsp_resources(struct device *dev, unsigned int *idx);
+
#endif /* AMD_BLOCK_ROOT_COMPLEX_H */
diff --git a/src/soc/amd/common/fsp/Makefile.inc b/src/soc/amd/common/fsp/Makefile.inc
index ab9a7ab507..cb4b675975 100644
--- a/src/soc/amd/common/fsp/Makefile.inc
+++ b/src/soc/amd/common/fsp/Makefile.inc
@@ -2,6 +2,7 @@
ifeq ($(CONFIG_PLATFORM_USES_FSP2_0),y)
romstage-y += fsp_reset.c
romstage-y += fsp_validate.c
+ramstage-y += fsp_report_resources.c
ramstage-y += fsp_reset.c
ramstage-$(CONFIG_HAVE_ACPI_TABLES) += fsp-acpi.c
ramstage-$(CONFIG_SOC_AMD_COMMON_FSP_CCX_CPPC_HOB) += fsp_ccx_cppc_hob.c
diff --git a/src/soc/amd/common/fsp/fsp_report_resources.c b/src/soc/amd/common/fsp/fsp_report_resources.c
new file mode 100644
index 0000000000..bcc0715982
--- /dev/null
+++ b/src/soc/amd/common/fsp/fsp_report_resources.c
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <amdblocks/root_complex.h>
+#include <cbmem.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <fsp/util.h>
+#include <types.h>
+
+void read_fsp_resources(struct device *dev, unsigned int *idx)
+{
+ const uint32_t mem_usable = (uintptr_t)cbmem_top();
+ const struct hob_header *hob_iterator;
+ const struct hob_resource *res;
+
+ if (fsp_hob_iterator_init(&hob_iterator) != CB_SUCCESS) {
+ printk(BIOS_ERR, "%s incomplete because no HOB list was found\n", __func__);
+ return;
+ }
+
+ while (fsp_hob_iterator_get_next_resource(&hob_iterator, &res) == CB_SUCCESS) {
+ if (res->type == EFI_RESOURCE_SYSTEM_MEMORY && res->addr < mem_usable)
+ /* 0 through low usable is already reported by the root complex code */
+ continue;
+ if (res->type == EFI_RESOURCE_MEMORY_MAPPED_IO)
+ continue; /* Done separately */
+
+ if (res->type == EFI_RESOURCE_SYSTEM_MEMORY)
+ ram_range(dev, (*idx)++, res->addr, res->length);
+ else if (res->type == EFI_RESOURCE_MEMORY_RESERVED)
+ reserved_ram_range(dev, (*idx)++, res->addr, res->length);
+ else
+ printk(BIOS_ERR, "failed to set resources for type %d\n", res->type);
+ }
+}