diff options
Diffstat (limited to 'src/soc/mediatek/common/wdt.c')
| -rw-r--r-- | src/soc/mediatek/common/wdt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/mediatek/common/wdt.c b/src/soc/mediatek/common/wdt.c index f06fbf066f..6e1b76110d 100644 --- a/src/soc/mediatek/common/wdt.c +++ b/src/soc/mediatek/common/wdt.c @@ -1,5 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <arch/cache.h> #include <device/mmio.h> #include <console/console.h> #include <soc/wdt.h> @@ -27,7 +28,10 @@ int mtk_wdt_init(void) * We trigger secondary reset by triggering WDT hardware to send signal to EC. * We do not use do_board_reset() to send signal to EC * which is controlled by software driver. + * Before triggering secondary reset, clean the data cache so the logs in cbmem + * console (either in SRAM or DRAM) can be flushed. */ + dcache_clean_all(); write32(&mtk_wdt->wdt_mode, MTK_WDT_MODE_EXTEN | MTK_WDT_MODE_KEY); write32(&mtk_wdt->wdt_swrst, MTK_WDT_SWRST_KEY); } else if (wdt_sta & MTK_WDT_STA_SW_RST) |