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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/drivers/sysreset/sysreset_octeon.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/drivers/sysreset/sysreset_octeon.c')
-rw-r--r--roms/u-boot/drivers/sysreset/sysreset_octeon.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/sysreset/sysreset_octeon.c b/roms/u-boot/drivers/sysreset/sysreset_octeon.c
new file mode 100644
index 000000000..ebdea6ab6
--- /dev/null
+++ b/roms/u-boot/drivers/sysreset/sysreset_octeon.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Stefan Roese <sr@denx.de>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <sysreset.h>
+#include <asm/io.h>
+
+#define RST_SOFT_RST 0x0080
+
+struct octeon_sysreset_data {
+ void __iomem *base;
+};
+
+static int octeon_sysreset_request(struct udevice *dev, enum sysreset_t type)
+{
+ struct octeon_sysreset_data *data = dev_get_priv(dev);
+
+ writeq(1, data->base + RST_SOFT_RST);
+
+ return -EINPROGRESS;
+}
+
+static int octeon_sysreset_probe(struct udevice *dev)
+{
+ struct octeon_sysreset_data *data = dev_get_priv(dev);
+
+ data->base = dev_remap_addr(dev);
+
+ return 0;
+}
+
+static struct sysreset_ops octeon_sysreset = {
+ .request = octeon_sysreset_request,
+};
+
+static const struct udevice_id octeon_sysreset_ids[] = {
+ { .compatible = "mrvl,cn7xxx-rst" },
+ { }
+};
+
+U_BOOT_DRIVER(sysreset_octeon) = {
+ .id = UCLASS_SYSRESET,
+ .name = "octeon_sysreset",
+ .priv_auto = sizeof(struct octeon_sysreset_data),
+ .ops = &octeon_sysreset,
+ .probe = octeon_sysreset_probe,
+ .of_match = octeon_sysreset_ids,
+};