From: Aleksander Morgado <aleksander@aleksander.es>
To: barebox@lists.infradead.org
Cc: Aleksander Morgado <aleksander@aleksander.es>
Subject: [RFC PATCH v2 8/8] ratp: new reset command
Date: Thu, 8 Feb 2018 14:23:01 +0100 [thread overview]
Message-ID: <20180208132301.24921-9-aleksander@aleksander.es> (raw)
In-Reply-To: <20180208132301.24921-1-aleksander@aleksander.es>
Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
---
common/ratp/Makefile | 1 +
common/ratp/reset.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++
include/ratp_bb.h | 1 +
3 files changed, 57 insertions(+)
create mode 100644 common/ratp/reset.c
diff --git a/common/ratp/Makefile b/common/ratp/Makefile
index d4cfdf95f..2c6d674f6 100644
--- a/common/ratp/Makefile
+++ b/common/ratp/Makefile
@@ -3,3 +3,4 @@ obj-y += ping.o
obj-y += getenv.o
obj-y += md.o
obj-y += mw.o
+obj-y += reset.o
diff --git a/common/ratp/reset.c b/common/ratp/reset.c
new file mode 100644
index 000000000..ca8be4e62
--- /dev/null
+++ b/common/ratp/reset.c
@@ -0,0 +1,55 @@
+/*
+ * reset.c - reset the cpu
+ *
+ * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <ratp_bb.h>
+#include <complete.h>
+#include <getopt.h>
+#include <restart.h>
+
+struct ratp_bb_reset {
+ struct ratp_bb header;
+ uint8_t force;
+} __attribute__((packed));
+
+static int ratp_cmd_reset(const struct ratp_bb *req, int req_len,
+ struct ratp_bb **rsp, int *rsp_len)
+{
+ struct ratp_bb_reset *reset_req = (struct ratp_bb_reset *)req;
+
+ if (req_len < sizeof (*reset_req)) {
+ printf ("ratp reset ignored: size mismatch (%d < %zu)\n", req_len, sizeof (*reset_req));
+ return 2;
+ }
+
+ debug("running reset %s\n", reset_req->force ? "(forced)" : "");
+
+ if (!reset_req->force)
+ shutdown_barebox();
+
+ restart_machine();
+ /* Not reached */
+ return 1;
+}
+
+BAREBOX_RATP_CMD_START(RESET)
+ .request_id = BB_RATP_TYPE_RESET,
+ .cmd = ratp_cmd_reset
+BAREBOX_RATP_CMD_END
diff --git a/include/ratp_bb.h b/include/ratp_bb.h
index 00b165f77..3a80cf6ae 100644
--- a/include/ratp_bb.h
+++ b/include/ratp_bb.h
@@ -16,6 +16,7 @@
#define BB_RATP_TYPE_MD_RETURN 11
#define BB_RATP_TYPE_MW 12
#define BB_RATP_TYPE_MW_RETURN 13
+#define BB_RATP_TYPE_RESET 14
struct ratp_bb {
uint16_t type;
--
2.15.1
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prev parent reply other threads:[~2018-02-08 13:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-08 13:22 [RFC PATCH v2 0/8] ratp: new generic RATP command support Aleksander Morgado
2018-02-08 13:22 ` [RFC PATCH v2 1/8] ratp: implement generic " Aleksander Morgado
2018-02-08 13:22 ` [RFC PATCH v2 2/8] ratp: moved logic to its own subdirectory Aleksander Morgado
2018-02-08 13:22 ` [RFC PATCH v2 3/8] ratp: allow building without full console support Aleksander Morgado
2018-02-08 13:22 ` [RFC PATCH v2 4/8] ratp: implement ping as a standard ratp command Aleksander Morgado
2018-02-08 13:22 ` [RFC PATCH v2 5/8] ratp: implement getenv " Aleksander Morgado
2018-02-08 13:22 ` [RFC PATCH v2 6/8] ratp: use xstrndup() instead of a custom xmemdup_add_zero() Aleksander Morgado
2018-02-08 13:23 ` [RFC PATCH v2 7/8] ratp: new md and mw commands Aleksander Morgado
2018-02-13 7:55 ` Sascha Hauer
2018-02-21 13:10 ` Aleksander Morgado
2018-02-22 7:59 ` Sascha Hauer
2018-02-08 13:23 ` Aleksander Morgado [this message]
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