From: Stefan Agner <stefan.ag...@toradex.com>
Add a new command to start USB Serial Download Protocol (SDP)
state machine.
Signed-off-by: Stefan Agner <stefan.ag...@toradex.com>
---
cmd/Kconfig | 7 +++++++
cmd/Makefile | 1 +
cmd/usb_gadget_sdp.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 61 insertions(+)
create mode 100644 cmd/usb_gadget_sdp.c
diff --git a/cmd/Kconfig b/cmd/Kconfig
index f18efc1e88..87333b3a97 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -665,6 +665,13 @@ config CMD_DFU
Enables the command "dfu" which is used to have U-Boot create a DFU
class device via USB.
+config CMD_USB_SDP
+ bool "sdp"
+ select USB_FUNCTION_SDP
+ help
+ Enables the command "sdp" which is used to have U-Boot emulating the
+ Serial Download Protocol (SDP) via USB.
+
config CMD_USB_MASS_STORAGE
bool "UMS usb mass storage"
help
diff --git a/cmd/Makefile b/cmd/Makefile
index bd231f24d8..e0b5940ba6 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -131,6 +131,7 @@ obj-$(CONFIG_CMD_FASTBOOT) += fastboot.o
obj-$(CONFIG_CMD_FS_UUID) += fs_uuid.o
obj-$(CONFIG_CMD_USB_MASS_STORAGE) += usb_mass_storage.o
+obj-$(CONFIG_CMD_USB_SDP) += usb_gadget_sdp.o
obj-$(CONFIG_CMD_THOR_DOWNLOAD) += thordown.o
obj-$(CONFIG_CMD_XIMG) += ximg.o
obj-$(CONFIG_YAFFS2) += yaffs2.o
diff --git a/cmd/usb_gadget_sdp.c b/cmd/usb_gadget_sdp.c
new file mode 100644
index 0000000000..09ddb4f3aa
--- /dev/null
+++ b/cmd/usb_gadget_sdp.c
@@ -0,0 +1,53 @@
+/*
+ * cmd_sdp.c -- sdp command
+ *
+ * Copyright (C) 2016 Toradex
+ * Author: Stefan Agner <stefan.ag...@toradex.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <g_dnl.h>
+#include <sdp.h>
+#include <usb.h>
+
+static int do_sdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int ret = CMD_RET_SUCCESS;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ char *usb_controller = argv[1];
+ int controller_index = simple_strtoul(usb_controller, NULL, 0);
+ board_usb_init(controller_index, USB_INIT_DEVICE);
+
+ g_dnl_clear_detach();
+ g_dnl_register("usb_dnl_sdp");
+
+ ret = sdp_init();
+ if (ret) {
+ error("SDP init failed: %d", ret);
+ ret = CMD_RET_FAILURE;
+ goto exit;
+ }
+
+ ret = sdp_handle();
+ if (ret) {
+ error("SDP failed: %d", ret);
+ ret = CMD_RET_FAILURE;
+ goto exit;
+ }
+
+exit:
+ g_dnl_unregister();
+
+ return ret;
+}
+
+U_BOOT_CMD(sdp, 2, 1, do_sdp,
+ "Serial Downloader Protocol",
+ "<USB_controller>\n"
+ " - serial downloader protocol via <USB_controller>\n"
+);
--
2.13.3
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