commit 6e9f33b284d4195b208a56c6556a588a610628c6
author Fabien Parent <fparent@baylibre.com> Mon Aug 12 16:59:10 2019 +0200
committer Fabien Parent <fparent@baylibre.com> Thu Oct 24 14:37:00 2019 +0200
tree faebaa1be535ba8c8f4b8826dbdc567e07bbf7fb
parent d06491a7b349e2fb138d7e945e850a70cede6a3a

mediatek: mt8183: pm: use WDT to reset the chip

Signed-off-by: Fabien Parent <fparent@baylibre.com>

plat/mediatek/mt8183/plat_pm.c

diff --git a/plat/mediatek/mt8183/plat_pm.c b/plat/mediatek/mt8183/plat_pm.c
index 555b389..c38be68 100644
--- a/plat/mediatek/mt8183/plat_pm.c
+++ b/plat/mediatek/mt8183/plat_pm.c
@@ -508,11 +508,14 @@
 
 static void __dead2 plat_mtk_system_reset(void)
 {
-	struct bl_aux_gpio_info *gpio_reset = plat_get_mtk_gpio_reset();
+//	struct bl_aux_gpio_info *gpio_reset = plat_get_mtk_gpio_reset();
 
 	INFO("MTK System Reset\n");
 
-	mt_set_gpio_out(gpio_reset->index, gpio_reset->polarity);
+	mmio_clrbits_32(MTK_WDT_BASE,
+		(MTK_WDT_MODE_DUAL_MODE | MTK_WDT_MODE_IRQ));
+	mmio_setbits_32(MTK_WDT_BASE, (MTK_WDT_MODE_KEY | MTK_WDT_MODE_EXTEN));
+	mmio_setbits_32(MTK_WDT_SWRST, MTK_WDT_SWRST_KEY);
 
 	wfi();
 	ERROR("MTK System Reset: operation not handled.\n");