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
Changes in v5: -none
Changes in v4: -move USB_FUNCTION_ROCKUSB to drivers/usb/gadget/Kconfig -modify the dependence
Changes in v3: -fix comment from Simon and Lukasz -fix checkpactch error
--- cmd/Kconfig | 9 ++++++++ cmd/Makefile | 1 + cmd/rockusb.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 84 insertions(+) create mode 100644 cmd/rockusb.c
diff --git a/cmd/Kconfig b/cmd/Kconfig index d9f7151..81e9bdf 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -518,6 +518,15 @@ config CMD_DFU Enables the command "dfu" which is used to have U-Boot create a DFU class device 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 comunication with rockusb device. for more detail about + this command, please read doc/README.rockusb. + config CMD_USB_MASS_STORAGE bool "UMS usb mass storage" help diff --git a/cmd/Makefile b/cmd/Makefile index e987868..65d998d 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -109,6 +109,7 @@ 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_SF) += sf.o diff --git a/cmd/rockusb.c b/cmd/rockusb.c new file mode 100644 index 0000000..ae2baa6 --- /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) { + error("USB init failed: %d", 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" +);