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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
commit102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch)
treebcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/mediatek/lib/system_reset
parentInitial commit. (diff)
downloadarm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.tar.xz
arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.zip
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plat/mediatek/lib/system_reset')
-rw-r--r--plat/mediatek/lib/system_reset/reset_cros.c56
-rw-r--r--plat/mediatek/lib/system_reset/rules.mk14
2 files changed, 70 insertions, 0 deletions
diff --git a/plat/mediatek/lib/system_reset/reset_cros.c b/plat/mediatek/lib/system_reset/reset_cros.c
new file mode 100644
index 0000000..40e68ba
--- /dev/null
+++ b/plat/mediatek/lib/system_reset/reset_cros.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <drivers/gpio.h>
+#include <lib/mtk_init/mtk_init.h>
+#include <lib/pm/mtk_pm.h>
+#include <plat_params.h>
+#include <pmic.h>
+#include <rtc.h>
+
+static void __dead2 mtk_system_reset_cros(void)
+{
+ struct bl_aux_gpio_info *gpio_reset = plat_get_mtk_gpio_reset();
+
+ INFO("MTK System Reset\n");
+
+ gpio_set_value(gpio_reset->index, gpio_reset->polarity);
+
+ wfi();
+ ERROR("MTK System Reset: operation not handled.\n");
+ panic();
+}
+
+static void __dead2 mtk_system_off_cros(void)
+{
+ INFO("MTK System Off\n");
+
+ rtc_power_off_sequence();
+ pmic_power_off();
+
+ wfi();
+ ERROR("MTK System Off: operation not handled.\n");
+ panic();
+}
+
+static struct plat_pm_reset_ctrl lib_reset_ctrl = {
+ .system_off = mtk_system_off_cros,
+ .system_reset = mtk_system_reset_cros,
+ .system_reset2 = NULL,
+};
+
+static int lib_reset_ctrl_init(void)
+{
+ INFO("Reset init\n");
+
+ plat_pm_ops_setup_reset(&lib_reset_ctrl);
+
+ return 0;
+}
+MTK_ARCH_INIT(lib_reset_ctrl_init);
diff --git a/plat/mediatek/lib/system_reset/rules.mk b/plat/mediatek/lib/system_reset/rules.mk
new file mode 100644
index 0000000..4f20663
--- /dev/null
+++ b/plat/mediatek/lib/system_reset/rules.mk
@@ -0,0 +1,14 @@
+#
+# Copyright (c) 2022, MediaTek Inc. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+
+LOCAL_DIR := $(call GET_LOCAL_DIR)
+
+MODULE := system_reset
+
+LOCAL_SRCS-y := ${LOCAL_DIR}/reset_cros.c
+
+$(eval $(call MAKE_MODULE,$(MODULE),$(LOCAL_SRCS-y),$(MTK_BL)))