summaryrefslogtreecommitdiff
path: root/drivers/sysreset/sysreset_snapdragon.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/sysreset/sysreset_snapdragon.c')
-rw-r--r--drivers/sysreset/sysreset_snapdragon.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/sysreset/sysreset_snapdragon.c b/drivers/sysreset/sysreset_snapdragon.c
new file mode 100644
index 0000000..a6cabfb
--- /dev/null
+++ b/drivers/sysreset/sysreset_snapdragon.c
@@ -0,0 +1,40 @@
+/*
+ * Qualcomm APQ8016 reset controller driver
+ *
+ * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <sysreset.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int msm_sysreset_request(struct udevice *dev, enum sysreset_t type)
+{
+ phys_addr_t addr = dev_get_addr(dev);
+ if (!addr)
+ return -EINVAL;
+ writel(0, addr);
+ return -EINPROGRESS;
+}
+
+static struct sysreset_ops msm_sysreset_ops = {
+ .request = msm_sysreset_request,
+};
+
+static const struct udevice_id msm_sysreset_ids[] = {
+ { .compatible = "qcom,pshold" },
+ { }
+};
+
+U_BOOT_DRIVER(msm_reset) = {
+ .name = "msm_sysreset",
+ .id = UCLASS_SYSRESET,
+ .of_match = msm_sysreset_ids,
+ .ops = &msm_sysreset_ops,
+};