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-rw-r--r--src/include/boardid.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/include/boardid.h b/src/include/boardid.h
index 4324a72e5e..e1bce0388a 100644
--- a/src/include/boardid.h
+++ b/src/include/boardid.h
@@ -20,7 +20,8 @@
#define UNDEFINED_STRAPPING_ID (~0)
-uint32_t board_id(void);
-uint32_t ram_code(void);
+uint32_t board_id(void); /* differentiates revisions */
+uint32_t ram_code(void); /* identifies installed DRAM modules */
+uint32_t sku_id(void); /* differentiates other optional components */
#endif /* __INCLUDE_BOARDID_H__ */