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authorKarthikeyan Ramasubramanian <kramasub@chromium.org>2018-09-17 16:19:34 -0600
committerMartin Roth <martinroth@google.com>2018-09-20 17:15:26 +0000
commitc80ff8437d61f0867eccc520cc68d19fe181af14 (patch)
treefd94a2103e48b08c5df10421952a945bc7d68a9e /src/include/boardid.h
parent2beadeec3512d6087ae5057da681e50883d04acf (diff)
downloadcoreboot-c80ff8437d61f0867eccc520cc68d19fe181af14.tar.xz
ec/google/chromeec: Update google_chromeec_get_board_version prototype
The helper function to get the board version from EC returns 0 on failure. But 0 is also a valid board version. Update the helper function to return -1 on failure and update the use-cases. BUG=b:114001972,b:114677884,b:114677887 Change-Id: I93e8dbce2ff26e76504b132055985f53cbf07d31 Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com> Tested-by: Karthikeyan Ramasubramanian <kramasub@google.com> Reviewed-on: https://review.coreboot.org/28576 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Jett Rink <jettrink@google.com>
Diffstat (limited to 'src/include/boardid.h')
-rw-r--r--src/include/boardid.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/include/boardid.h b/src/include/boardid.h
index e1bce0388a..a959b85367 100644
--- a/src/include/boardid.h
+++ b/src/include/boardid.h
@@ -20,6 +20,15 @@
#define UNDEFINED_STRAPPING_ID (~0)
+#define BOARD_ID_UNKNOWN ~((uint32_t)0) /* unsigned equivalent to -1 */
+#define BOARD_ID_INIT ~((uint32_t)1) /* unsigned equivalent to -2 */
+/**
+ * board_id() - Get the board version
+ *
+ * Return: board version on success, BOARD_ID_UNKNOWN on failure/error.
+ *
+ * This function is used to get the mainboard version.
+ */
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 */