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authorWolfgang Denk <wd@denx.de>2012-09-02 16:38:48 +0200
committerWolfgang Denk <wd@denx.de>2012-09-02 16:38:48 +0200
commit7cdcaef0b286fa20926d750304442ad770a1fca8 (patch)
tree163d72e995fc25f76ab620708bfd4c3b892959cd /drivers/dfu/dfu.c
parent43de0244c133b6cb9041ae6e7e4ae79839f22c44 (diff)
parent8c8650181904cee37721fa303622cd37255d51d6 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-usb
* 'master' of git://git.denx.de/u-boot-usb: MUSB driver: Timeout is never detected as the while loop does not end usb: fix ulpi_set_vbus prototype pxa25x: Add UDC registers definitions USB: Fix strict aliasing in ohci-hcd usb: Optimize USB storage read/write ehci: Optimize qTD allocations usb_stor_BBB_transport: Do not delay when not required usb_storage: Remove EHCI constraints usb_storage: Restore non-EHCI support ehci-hcd: Boost transfer speed ehci: cosmetic: Define used constants ehci: Fail for multi-transaction interrupt transfers arm:trats: Enable g_dnl composite USB gadget with embedded DFU function on TRATS arm:trats: Support for USB UDC driver at TRATS board. dfu:cmd: Support for DFU u-boot command dfu: MMC specific routines for DFU operation dfu: DFU backend implementation dfu:usb: DFU USB function (f_dfu) support for g_dnl composite gadget dfu:usb: Support for g_dnl composite download gadget. ehci: cosmetic: Define the number of qt_buffers Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'drivers/dfu/dfu.c')
-rw-r--r--drivers/dfu/dfu.c238
1 files changed, 238 insertions, 0 deletions
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
new file mode 100644
index 0000000..e8477fb
--- /dev/null
+++ b/drivers/dfu/dfu.c
@@ -0,0 +1,238 @@
+/*
+ * dfu.c -- DFU back-end routines
+ *
+ * Copyright (C) 2012 Samsung Electronics
+ * author: 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 <malloc.h>
+#include <mmc.h>
+#include <fat.h>
+#include <dfu.h>
+#include <linux/list.h>
+#include <linux/compiler.h>
+
+static LIST_HEAD(dfu_list);
+static int dfu_alt_num;
+
+static int dfu_find_alt_num(const char *s)
+{
+ int i = 0;
+
+ for (; *s; s++)
+ if (*s == ';')
+ i++;
+
+ return ++i;
+}
+
+static unsigned char __aligned(CONFIG_SYS_CACHELINE_SIZE)
+ dfu_buf[DFU_DATA_BUF_SIZE];
+
+int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
+{
+ static unsigned char *i_buf;
+ static int i_blk_seq_num;
+ long w_size = 0;
+ int ret = 0;
+
+ debug("%s: name: %s buf: 0x%p size: 0x%x p_num: 0x%x i_buf: 0x%p\n",
+ __func__, dfu->name, buf, size, blk_seq_num, i_buf);
+
+ if (blk_seq_num == 0) {
+ i_buf = dfu_buf;
+ i_blk_seq_num = 0;
+ }
+
+ if (i_blk_seq_num++ != blk_seq_num) {
+ printf("%s: Wrong sequence number! [%d] [%d]\n",
+ __func__, i_blk_seq_num, blk_seq_num);
+ return -1;
+ }
+
+ memcpy(i_buf, buf, size);
+ i_buf += size;
+
+ if (size == 0) {
+ /* Integrity check (if needed) */
+ debug("%s: %s %d [B] CRC32: 0x%x\n", __func__, dfu->name,
+ i_buf - dfu_buf, crc32(0, dfu_buf, i_buf - dfu_buf));
+
+ w_size = i_buf - dfu_buf;
+ ret = dfu->write_medium(dfu, dfu_buf, &w_size);
+ if (ret)
+ debug("%s: Write error!\n", __func__);
+
+ i_blk_seq_num = 0;
+ i_buf = NULL;
+ return ret;
+ }
+
+ return ret;
+}
+
+int dfu_read(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
+{
+ static unsigned char *i_buf;
+ static int i_blk_seq_num;
+ static long r_size;
+ static u32 crc;
+ int ret = 0;
+
+ debug("%s: name: %s buf: 0x%p size: 0x%x p_num: 0x%x i_buf: 0x%p\n",
+ __func__, dfu->name, buf, size, blk_seq_num, i_buf);
+
+ if (blk_seq_num == 0) {
+ i_buf = dfu_buf;
+ ret = dfu->read_medium(dfu, i_buf, &r_size);
+ debug("%s: %s %ld [B]\n", __func__, dfu->name, r_size);
+ i_blk_seq_num = 0;
+ /* Integrity check (if needed) */
+ crc = crc32(0, dfu_buf, r_size);
+ }
+
+ if (i_blk_seq_num++ != blk_seq_num) {
+ printf("%s: Wrong sequence number! [%d] [%d]\n",
+ __func__, i_blk_seq_num, blk_seq_num);
+ return -1;
+ }
+
+ if (r_size >= size) {
+ memcpy(buf, i_buf, size);
+ i_buf += size;
+ r_size -= size;
+ return size;
+ } else {
+ memcpy(buf, i_buf, r_size);
+ i_buf += r_size;
+ debug("%s: %s CRC32: 0x%x\n", __func__, dfu->name, crc);
+ puts("UPLOAD ... done\nCtrl+C to exit ...\n");
+
+ i_buf = NULL;
+ i_blk_seq_num = 0;
+ crc = 0;
+ return r_size;
+ }
+ return ret;
+}
+
+static int dfu_fill_entity(struct dfu_entity *dfu, char *s, int alt,
+ char *interface, int num)
+{
+ char *st;
+
+ debug("%s: %s interface: %s num: %d\n", __func__, s, interface, num);
+ st = strsep(&s, " ");
+ strcpy(dfu->name, st);
+
+ dfu->dev_num = num;
+ dfu->alt = alt;
+
+ /* Specific for mmc device */
+ if (strcmp(interface, "mmc") == 0) {
+ if (dfu_fill_entity_mmc(dfu, s))
+ return -1;
+ } else {
+ printf("%s: Device %s not (yet) supported!\n",
+ __func__, interface);
+ return -1;
+ }
+
+ return 0;
+}
+
+void dfu_free_entities(void)
+{
+ struct dfu_entity *dfu, *p, *t = NULL;
+
+ list_for_each_entry_safe_reverse(dfu, p, &dfu_list, list) {
+ list_del(&dfu->list);
+ t = dfu;
+ }
+ if (t)
+ free(t);
+ INIT_LIST_HEAD(&dfu_list);
+}
+
+int dfu_config_entities(char *env, char *interface, int num)
+{
+ struct dfu_entity *dfu;
+ int i, ret;
+ char *s;
+
+ dfu_alt_num = dfu_find_alt_num(env);
+ debug("%s: dfu_alt_num=%d\n", __func__, dfu_alt_num);
+
+ dfu = calloc(sizeof(*dfu), dfu_alt_num);
+ if (!dfu)
+ return -1;
+ for (i = 0; i < dfu_alt_num; i++) {
+
+ s = strsep(&env, ";");
+ ret = dfu_fill_entity(&dfu[i], s, i, interface, num);
+ if (ret)
+ return -1;
+
+ list_add_tail(&dfu[i].list, &dfu_list);
+ }
+
+ return 0;
+}
+
+const char *dfu_get_dev_type(enum dfu_device_type t)
+{
+ const char *dev_t[] = {NULL, "eMMC", "OneNAND", "NAND" };
+ return dev_t[t];
+}
+
+const char *dfu_get_layout(enum dfu_layout l)
+{
+ const char *dfu_layout[] = {NULL, "RAW_ADDR", "FAT", "EXT2",
+ "EXT3", "EXT4" };
+ return dfu_layout[l];
+}
+
+void dfu_show_entities(void)
+{
+ struct dfu_entity *dfu;
+
+ puts("DFU alt settings list:\n");
+
+ list_for_each_entry(dfu, &dfu_list, list) {
+ printf("dev: %s alt: %d name: %s layout: %s\n",
+ dfu_get_dev_type(dfu->dev_type), dfu->alt,
+ dfu->name, dfu_get_layout(dfu->layout));
+ }
+}
+
+int dfu_get_alt_number(void)
+{
+ return dfu_alt_num;
+}
+
+struct dfu_entity *dfu_get_entity(int alt)
+{
+ struct dfu_entity *dfu;
+
+ list_for_each_entry(dfu, &dfu_list, list) {
+ if (dfu->alt == alt)
+ return dfu;
+ }
+
+ return NULL;
+}