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/cmd/rockusb.c b/cmd/rockusb.c
new file mode 100644
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"
+);