diff options
| -rw-r--r-- | board/zinger/runtime.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/board/zinger/runtime.c b/board/zinger/runtime.c index e7fb421f49..407daa5c54 100644 --- a/board/zinger/runtime.c +++ b/board/zinger/runtime.c @@ -93,8 +93,11 @@ static void config_hispeed_clock(void) void runtime_init(void) { - /* put 1 Wait-State for flash access to ensure proper reads at 48Mhz */ - STM32_FLASH_ACR = 0x1001; /* 1 WS / Prefetch enabled */ + /* + * put 1 Wait-State for flash access to ensure proper reads at 48Mhz + * and enable prefetch buffer. + */ + STM32_FLASH_ACR = STM32_FLASH_ACR_LATENCY | STM32_FLASH_ACR_PRFTEN; config_hispeed_clock(); |