diff options
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/storm/boardid.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mainboard/google/storm/boardid.c b/src/mainboard/google/storm/boardid.c index 6d7a918088..683b5f4812 100644 --- a/src/mainboard/google/storm/boardid.c +++ b/src/mainboard/google/storm/boardid.c @@ -37,7 +37,9 @@ * revision. */ -uint8_t board_id(void) +static int board_id_value = -1; + +static uint8_t get_board_id(void) { uint8_t bid; gpio_t hw_rev_gpios[] = {29, 30, 68}; @@ -50,3 +52,11 @@ uint8_t board_id(void) return bid; } + +uint8_t board_id(void) +{ + if (board_id_value < 0) + board_id_value = get_board_id(); + + return board_id_value; +} |