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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/common/cmd_usb_mass_storage.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/common/cmd_usb_mass_storage.c')
-rw-r--r--qemu/roms/u-boot/common/cmd_usb_mass_storage.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/common/cmd_usb_mass_storage.c b/qemu/roms/u-boot/common/cmd_usb_mass_storage.c
new file mode 100644
index 000000000..d8d9efd4f
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_usb_mass_storage.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2011 Samsung Electronics
+ * Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <errno.h>
+#include <common.h>
+#include <command.h>
+#include <g_dnl.h>
+#include <usb.h>
+#include <usb_mass_storage.h>
+
+int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
+ int argc, char * const argv[])
+{
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ const char *usb_controller = argv[1];
+ const char *mmc_devstring = argv[2];
+
+ unsigned int dev_num = simple_strtoul(mmc_devstring, NULL, 0);
+
+ struct ums *ums = ums_init(dev_num);
+ if (!ums)
+ return CMD_RET_FAILURE;
+
+ unsigned int controller_index = (unsigned int)(simple_strtoul(
+ usb_controller, NULL, 0));
+ if (board_usb_init(controller_index, USB_INIT_DEVICE)) {
+ error("Couldn't init USB controller.");
+ return CMD_RET_FAILURE;
+ }
+
+ int rc = fsg_init(ums);
+ if (rc) {
+ error("fsg_init failed");
+ return CMD_RET_FAILURE;
+ }
+
+ g_dnl_register("usb_dnl_ums");
+
+ /* Timeout unit: seconds */
+ int cable_ready_timeout = UMS_CABLE_READY_TIMEOUT;
+
+ if (!g_dnl_board_usb_cable_connected()) {
+ /*
+ * Won't execute if we don't know whether the cable is
+ * connected.
+ */
+ puts("Please connect USB cable.\n");
+
+ while (!g_dnl_board_usb_cable_connected()) {
+ if (ctrlc()) {
+ puts("\rCTRL+C - Operation aborted.\n");
+ goto exit;
+ }
+ if (!cable_ready_timeout) {
+ puts("\rUSB cable not detected.\n" \
+ "Command exit.\n");
+ goto exit;
+ }
+
+ printf("\rAuto exit in: %.2d s.", cable_ready_timeout);
+ mdelay(1000);
+ cable_ready_timeout--;
+ }
+ puts("\r\n");
+ }
+
+ while (1) {
+ usb_gadget_handle_interrupts();
+
+ rc = fsg_main_thread(NULL);
+ if (rc) {
+ /* Check I/O error */
+ if (rc == -EIO)
+ printf("\rCheck USB cable connection\n");
+
+ /* Check CTRL+C */
+ if (rc == -EPIPE)
+ printf("\rCTRL+C - Operation aborted\n");
+
+ goto exit;
+ }
+ }
+exit:
+ g_dnl_unregister();
+ return CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD(ums, CONFIG_SYS_MAXARGS, 1, do_usb_mass_storage,
+ "Use the UMS [User Mass Storage]",
+ "ums <USB_controller> <mmc_dev> e.g. ums 0 0"
+);