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-rw-r--r--src/soc/amd/common/block/pi/agesawrapper.c58
1 files changed, 52 insertions, 6 deletions
diff --git a/src/soc/amd/common/block/pi/agesawrapper.c b/src/soc/amd/common/block/pi/agesawrapper.c
index b1f03cb178..cc572075af 100644
--- a/src/soc/amd/common/block/pi/agesawrapper.c
+++ b/src/soc/amd/common/block/pi/agesawrapper.c
@@ -381,22 +381,68 @@ AGESA_STATUS agesawrapper_amdreadeventlog (UINT8 HeapStatus)
return Status;
}
+static int agesa_locate_file(const char *name, struct region_device *rdev,
+ uint32_t type)
+{
+ struct cbfsf fh;
+
+ if (cbfs_boot_locate(&fh, name, &type))
+ return -1;
+
+ cbfs_file_data(rdev, &fh);
+ return 0;
+}
+
+static int agesa_locate_raw_file(const char *name, struct region_device *rdev)
+{
+ return agesa_locate_file(name, rdev, CBFS_TYPE_RAW);
+}
+
+static int agesa_locate_stage_file(const char *name, struct region_device *rdev)
+{
+ const size_t metadata_sz = sizeof(struct cbfs_stage);
+
+ if (agesa_locate_file(name, rdev, CBFS_TYPE_STAGE))
+ return -1;
+
+ /* Peel off the cbfs stage metadata. */
+ return rdev_chain(rdev, rdev, metadata_sz,
+ region_device_sz(rdev) - metadata_sz);
+}
+
const void *agesawrapper_locate_module (const CHAR8 name[8])
{
const void* agesa;
const AMD_IMAGE_HEADER* image;
- const AMD_MODULE_HEADER* module;
+ struct region_device rdev;
size_t file_size;
+ const char *fname = CONFIG_AGESA_CBFS_NAME;
+ int ret;
+
+ if (IS_ENABLED(CONFIG_AGESA_BINARY_PI_AS_STAGE))
+ ret = agesa_locate_stage_file(fname, &rdev);
+ else
+ ret = agesa_locate_raw_file(fname, &rdev);
+
+ if (ret)
+ return NULL;
- agesa = cbfs_boot_map_with_leak((const char *)CONFIG_AGESA_CBFS_NAME,
- CBFS_TYPE_RAW, &file_size);
+ file_size = region_device_sz(&rdev);
+
+ /* Assume boot device is memory mapped so the mapping can leak. */
+ assert(IS_ENABLED(CONFIG_BOOT_DEVICE_MEMORY_MAPPED));
+
+ agesa = rdev_mmap_full(&rdev);
if (!agesa)
return NULL;
- image = LibAmdLocateImage(agesa, agesa + file_size - 1, 4096, name);
- module = (AMD_MODULE_HEADER*)image->ModuleInfoOffset;
- return module;
+ image = LibAmdLocateImage(agesa, agesa + file_size, 4096, name);
+
+ if (!image)
+ return NULL;
+
+ return (AMD_MODULE_HEADER *)image->ModuleInfoOffset;
}
static MODULE_ENTRY agesa_dispatcher CAR_GLOBAL;