[U-Boot] [PATCH 5/7] dfu:cmd: Support for DFU u-boot command

Lukasz Majewski
2012-07-03T09:38:09Z

Support for u-boot's command line command "dfu <interface> <dev> [list]".

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marek Vasut <marex@denx.de>
---
common/Makefile | 1 +
common/cmd_dfu.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 82 insertions(+), 0 deletions(-)
create mode 100644 common/cmd_dfu.c

diff --git a/common/Makefile b/common/Makefile
index 6e23baa..de43ead 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -186,6 +186,7 @@ COBJS-$(CONFIG_MENU) += menu.o
COBJS-$(CONFIG_MODEM_SUPPORT) += modem.o
COBJS-$(CONFIG_UPDATE_TFTP) += update.o
COBJS-$(CONFIG_USB_KEYBOARD) += usb_kbd.o
+COBJS-$(CONFIG_CMD_DFU) += cmd_dfu.o
endif

ifdef CONFIG_SPL_BUILD
diff --git a/common/cmd_dfu.c b/common/cmd_dfu.c
new file mode 100644
index 0000000..ceb0f54
--- /dev/null
+++ b/common/cmd_dfu.c
@@ -0,0 +1,81 @@
+/*
+ * cmd_dfu.c -- dfu command
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
+ * Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <malloc.h>
+#include <dfu.h>
+#include <asm/errno.h>
+#include <g_dnl.h>
+
+int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ char *str_env = NULL, *env_bkp = NULL;
+ static char *s = "dfu";
+ int ret = 0;
+
+ if (argc < 3)
+ return CMD_RET_USAGE;
+
+ str_env = getenv("dfu_alt_info");
+ if (str_env == NULL) {
+ printf("%s: \"dfu_alt_info\" env variable not defined!\n",
+ __func__);
+ return CMD_RET_FAILURE;
+ }
+
+ env_bkp = strdup(str_env);
+ ret = dfu_config_entities(env_bkp, argv[1],
+ (int)simple_strtoul(argv[2], NULL, 10));
+ if (ret)
+ return CMD_RET_FAILURE;
+
+ if (strcmp(argv[3], "list") == 0) {
+ dfu_show_entities();
+ dfu_free_entities();
+ free(env_bkp);
+ return CMD_RET_SUCCESS;
+ }
+
+ board_usb_init();
+ g_dnl_init(s);
+ while (1) {
+ if (ctrlc())
+ goto exit;
+
+ usb_gadget_handle_interrupts();
+ }
+exit:
+ g_dnl_cleanup();
+ dfu_free_entities();
+ free(env_bkp);
+
+ return CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu,
+ "Device Firmware Upgrade",
+ "<interface> <dev> [list]\n"
+ " - device firmware upgrade on a device <dev>\n"
+ " attached to interface <interface>\n"
+ " [list] - list available alt settings"
+);
--
1.7.2.3