Support for usbdownload command, which starts USB Downloading process
compliant with Samsung's THOR protocol.
Signed-off-by: Lukasz Majewski <l.majew...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
Cc: Marek Vasut <ma...@denx.de>
---
common/Makefile | 1 +
common/cmd_usbd.c | 161 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 162 insertions(+), 0 deletions(-)
create mode 100644 common/cmd_usbd.c
diff --git a/common/Makefile b/common/Makefile
index d9f10f3..2392893 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -161,6 +161,7 @@ COBJS-y += cmd_usb.o
COBJS-y += usb.o usb_hub.o
COBJS-$(CONFIG_USB_STORAGE) += usb_storage.o
endif
+COBJS-$(CONFIG_USBDOWNLOAD_GADGET) += cmd_usbd.o
COBJS-$(CONFIG_CMD_XIMG) += cmd_ximg.o
COBJS-$(CONFIG_YAFFS2) += cmd_yaffs2.o
COBJS-$(CONFIG_CMD_SPL) += cmd_spl.o
diff --git a/common/cmd_usbd.c b/common/cmd_usbd.c
new file mode 100644
index 0000000..583f2a5
--- /dev/null
+++ b/common/cmd_usbd.c
@@ -0,0 +1,161 @@
+/*
+ * cmd_usbd.c -- USB THOR Downloader gadget
+ *
+ * Copyright (C) 2012 Lukasz Majewski <l.majew...@samsung.com>
+ * All rights reserved.
+ *
+ * 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
+ */
+#define DEBUG
+#include <common.h>
+#include <usbd_thor.h>
+#include <asm/errno.h>
+#include <malloc.h>
+#include <g_dnl.h>
+
+#define STR_SIZE 16
+
+static char dnl_tab[4][STR_SIZE];
+
+char *find_dnl_entry(char* s, char *name)
+{
+ char *st, *c;
+
+ for (; s; strsep(&s, ";"), st = s) {
+ st = strchr(s, ' ');
+
+ if (!strncmp(s, name, st - s)) {
+ for (c = s; c; strsep(&c, ";"))
+ ;
+ return s;
+ }
+ }
+ return NULL;
+}
+
+int img_store(struct g_dnl *dnl, int medium)
+{
+ char cmd_buf[128];
+
+ memset(cmd_buf, '\0', sizeof(cmd_buf));
+
+ switch (medium) {
+ case MMC:
+ sprintf(cmd_buf, "%s write 0x%x %s %s", &dnl_tab[1][0],
+ (unsigned int) dnl->rx_buf, &dnl_tab[2][0],
+ &dnl_tab[3][0]);
+ break;
+ case FAT:
+ sprintf(cmd_buf, "%swrite mmc %s:%s 0x%x %s %x",
+ &dnl_tab[1][0], &dnl_tab[2][0], &dnl_tab[3][0],
+ (unsigned int) dnl->rx_buf, &dnl_tab[0][0],
+ dnl->file_size);
+ break;
+ case RAW:
+ sprintf(cmd_buf, "mmc write 0x%x %x %x",
+ (unsigned int) dnl->rx_buf, dnl->p, dnl->packet_size);
+ break;
+ }
+
+ debug("%s: %s\n", __func__, cmd_buf);
+ run_command(cmd_buf, 0);
+
+ return 0;
+}
+
+int do_usbd_down(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ /* Simple argv[0] passing is not working since 'usbdown' cmd can
+ be run by */
+ /* 'usb', 'usbd' or 'usbdown' */
+ char *str, *st, *str_env;
+
+ int ret = 0, i = 0;
+ static char *s = "thor";
+ static struct g_dnl *dnl;
+
+ dnl = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(struct g_dnl));
+
+ puts("THOR Downloader\n");
+
+ g_dnl_init(s, dnl);
+
+ ret = dnl_init(dnl);
+ if (ret)
+ printf("%s: USBDOWN failed\n", __func__);
+
+ ret = dnl_command(dnl);
+ if (ret < 0)
+ printf("%s: COMMAND failed: %d\n", __func__, ret);
+
+ debug("DNL: file:%s size:%d\n", dnl->file_name, dnl->file_size);
+
+ str_env = getenv("dnl_info");
+ if (str_env == NULL) {
+ puts("DNL: \"dnl_info\" variable not defined!\n");
+ return -1;
+ }
+ debug("dnl_info: %s\n", str_env);
+
+ str = find_dnl_entry(str_env, dnl->file_name);
+ if (str == NULL) {
+ printf("File: %s not at \"dnl_info\"!\n", dnl->file_name);
+ return -1;
+ }
+
+ debug("%s:str: %s\n", __func__, str);
+
+ memset(dnl_tab, '\0', sizeof(dnl_tab));
+ do {
+ st = strsep(&str, " ");
+ strncpy(&dnl_tab[i++][0], st, strlen(st));
+
+ } while (str);
+
+ if (strncmp(dnl->file_name, &dnl_tab[0][0], strlen(&dnl_tab[0][0]))) {
+ printf("Parsed string not match file: %s!\n", dnl->file_name);
+ return -1;
+ }
+
+ debug("%s %s %s %s\n", &dnl_tab[0][0], &dnl_tab[1][0],
+ &dnl_tab[2][0], &dnl_tab[3][0]);
+
+ if (!strncmp(&dnl_tab[1][0], "mmc", strlen("mmc"))) {
+ dnl->store = img_store;
+ dnl->medium = MMC;
+ } else if (!strncmp(&dnl_tab[1][0], "fat", strlen("fat"))) {
+ dnl->store = img_store;
+ dnl->medium = FAT;
+ } else if (!strncmp(&dnl_tab[1][0], "raw", strlen("raw"))) {
+ dnl->store = img_store;
+ dnl->medium = RAW;
+ } else {
+ printf("DNL: Medium: %s not recognized!", &dnl_tab[1][0]);
+ }
+
+ ret = dnl_download(dnl);
+ if (ret < 0)
+ printf("%s: DOWNLOAD failed: %d\n", __func__, ret);
+
+ ret = dnl_command(dnl);
+ if (ret < 0)
+ printf("%s: COMMAND failed: %d\n", __func__, ret);
+
+ return 0;
+}
+
+U_BOOT_CMD(usbdown, CONFIG_SYS_MAXARGS, 1, do_usbd_down,
+ "Initialize USB device and Run THOR USB downloader", NULL
+);
--
1.7.2.3
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
