usb: rockchip: add rockusb command

this patch add rockusb command. the usage is
rockusb <USB_controller> <devtype> <dev[:part]>
e.g. rockusb 0 mmc 0

Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/MAINTAINERS b/MAINTAINERS
index baf2beb..b231610 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -492,6 +492,7 @@ ROCKUSB
 M:     Eddie Cai <eddie.cai.linux@gmail.com>
 S:     Maintained
 F:     drivers/usb/gadget/f_rockusb.c
+F:     cmd/rockusb.c
 
 VIDEO
 M:     Anatolij Gustschin <agust@denx.de>

diff --git a/cmd/Kconfig b/cmd/Kconfig
index c033223..83dc778 100644 (file)
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -914,6 +914,14 @@ config CMD_USB_SDP
        help
          Enables the command "sdp" which is used to have U-Boot emulating the
          Serial Download Protocol (SDP) via USB.
+config CMD_ROCKUSB
+       bool "rockusb"
+       depends on USB_FUNCTION_ROCKUSB
+       help
+          Rockusb protocol is widely used by Rockchip SoC based devices. It can
+         read/write info, image to/from devices. This enable rockusb command
+         support to communication with rockusb device. for more detail about
+         this command, please read doc/README.rockusb.
 
 config CMD_USB_MASS_STORAGE
        bool "UMS usb mass storage"

diff --git a/cmd/Makefile b/cmd/Makefile
index ab45bf4..ce65cef 100644 (file)
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -105,6 +105,7 @@ obj-$(CONFIG_CMD_READ) += read.o
 obj-$(CONFIG_CMD_REGINFO) += reginfo.o
 obj-$(CONFIG_CMD_REISER) += reiser.o
 obj-$(CONFIG_CMD_REMOTEPROC) += remoteproc.o
+obj-$(CONFIG_CMD_ROCKUSB) += rockusb.o
 obj-$(CONFIG_SANDBOX) += host.o
 obj-$(CONFIG_CMD_SATA) += sata.o
 obj-$(CONFIG_CMD_NVME) += nvme.o

diff --git a/cmd/rockusb.c b/cmd/rockusb.c
new file mode 100644 (file)
index 0000000..af81cdc
--- /dev/null
+++ b/cmd/rockusb.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2017 Eddie Cai <eddie.cai.linux@gmail.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <console.h>
+#include <g_dnl.h>
+#include <usb.h>
+#include <asm/arch/f_rockusb.h>
+
+static int do_rockusb(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+       int controller_index, dev_index;
+       char *usb_controller;
+       char *devtype;
+       char *devnum;
+       int ret;
+
+       if (argc < 2)
+               return CMD_RET_USAGE;
+
+       usb_controller = argv[1];
+       controller_index = simple_strtoul(usb_controller, NULL, 0);
+
+       if (argc >= 4) {
+               devtype = argv[2];
+               devnum  = argv[3];
+       } else {
+               return CMD_RET_USAGE;
+       }
+       dev_index = simple_strtoul(devnum, NULL, 0);
+       rockusb_dev_init(devtype, dev_index);
+
+       ret = board_usb_init(controller_index, USB_INIT_DEVICE);
+       if (ret) {
+               printf("USB init failed: %d\n", ret);
+               return CMD_RET_FAILURE;
+       }
+
+       g_dnl_clear_detach();
+       ret = g_dnl_register("usb_dnl_rockusb");
+       if (ret)
+               return CMD_RET_FAILURE;
+
+       if (!g_dnl_board_usb_cable_connected()) {
+               puts("\rUSB cable not detected, Command exit.\n");
+               ret = CMD_RET_FAILURE;
+               goto exit;
+       }
+
+       while (1) {
+               if (g_dnl_detach())
+                       break;
+               if (ctrlc())
+                       break;
+               usb_gadget_handle_interrupts(controller_index);
+       }
+       ret = CMD_RET_SUCCESS;
+
+exit:
+       g_dnl_unregister();
+       g_dnl_clear_detach();
+       board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+
+       return ret;
+}
+
+U_BOOT_CMD(rockusb, 4, 1, do_rockusb,
+          "use the rockusb protocol",
+          "<USB_controller> <devtype> <dev[:part]>  e.g. rockusb 0 mmc 0\n"
+);