* 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <mmc.h>
#include <fat.h>
#include <dfu.h>
+#include <hash.h>
#include <linux/list.h>
#include <linux/compiler.h>
+static bool dfu_reset_request;
static LIST_HEAD(dfu_list);
static int dfu_alt_num;
+static int alt_num_cnt;
+static struct hash_algo *dfu_hash_algo;
+
+bool dfu_reset(void)
+{
+ return dfu_reset_request;
+}
+
+void dfu_trigger_reset()
+{
+ dfu_reset_request = true;
+}
static int dfu_find_alt_num(const char *s)
{
return ++i;
}
+int dfu_init_env_entities(char *interface, char *devstr)
+{
+ const char *str_env;
+ char *env_bkp;
+ int ret;
+
+ str_env = getenv("dfu_alt_info");
+ if (!str_env) {
+ error("\"dfu_alt_info\" env variable not defined!\n");
+ return -EINVAL;
+ }
+
+ env_bkp = strdup(str_env);
+ ret = dfu_config_entities(env_bkp, interface, devstr);
+ if (ret) {
+ error("DFU entities configuration failed!\n");
+ return ret;
+ }
+
+ free(env_bkp);
+ return 0;
+}
+
static unsigned char *dfu_buf;
static unsigned long dfu_buf_size = CONFIG_SYS_DFU_DATA_BUF_SIZE;
-static unsigned char *dfu_free_buf(void)
+unsigned char *dfu_free_buf(void)
{
free(dfu_buf);
dfu_buf = NULL;
return dfu_buf;
}
-static unsigned char *dfu_get_buf(void)
+unsigned long dfu_get_buf_size(void)
+{
+ return dfu_buf_size;
+}
+
+unsigned char *dfu_get_buf(struct dfu_entity *dfu)
{
char *s;
s = getenv("dfu_bufsiz");
dfu_buf_size = s ? (unsigned long)simple_strtol(s, NULL, 16) :
CONFIG_SYS_DFU_DATA_BUF_SIZE;
+ if (dfu->max_buf_size && dfu_buf_size > dfu->max_buf_size)
+ dfu_buf_size = dfu->max_buf_size;
dfu_buf = memalign(CONFIG_SYS_CACHELINE_SIZE, dfu_buf_size);
if (dfu_buf == NULL)
return dfu_buf;
}
+static char *dfu_get_hash_algo(void)
+{
+ char *s;
+
+ s = getenv("dfu_hash_algo");
+ if (!s)
+ return NULL;
+
+ if (!strcmp(s, "crc32")) {
+ debug("%s: DFU hash method: %s\n", __func__, s);
+ return s;
+ }
+
+ error("DFU hash method: %s not supported!\n", s);
+ return NULL;
+}
+
static int dfu_write_buffer_drain(struct dfu_entity *dfu)
{
long w_size;
if (w_size == 0)
return 0;
- /* update CRC32 */
- dfu->crc = crc32(dfu->crc, dfu->i_buf_start, w_size);
+ if (dfu_hash_algo)
+ dfu_hash_algo->hash_update(dfu_hash_algo, &dfu->crc,
+ dfu->i_buf_start, w_size, 0);
ret = dfu->write_medium(dfu, dfu->offset, dfu->i_buf_start, &w_size);
if (ret)
return ret;
}
-int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
+void dfu_write_transaction_cleanup(struct dfu_entity *dfu)
+{
+ /* clear everything */
+ dfu_free_buf();
+ dfu->crc = 0;
+ dfu->offset = 0;
+ dfu->i_blk_seq_num = 0;
+ dfu->i_buf_start = dfu_buf;
+ dfu->i_buf_end = dfu_buf;
+ dfu->i_buf = dfu->i_buf_start;
+ dfu->inited = 0;
+}
+
+int dfu_flush(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
{
int ret = 0;
- int tret;
+
+ ret = dfu_write_buffer_drain(dfu);
+ if (ret)
+ return ret;
+
+ if (dfu->flush_medium)
+ ret = dfu->flush_medium(dfu);
+
+ if (dfu_hash_algo)
+ printf("\nDFU complete %s: 0x%08x\n", dfu_hash_algo->name,
+ dfu->crc);
+
+ dfu_write_transaction_cleanup(dfu);
+
+ return ret;
+}
+
+int dfu_write(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
+{
+ int ret;
debug("%s: name: %s buf: 0x%p size: 0x%x p_num: 0x%x offset: 0x%llx bufoffset: 0x%x\n",
__func__, dfu->name, buf, size, blk_seq_num, dfu->offset,
dfu->offset = 0;
dfu->bad_skip = 0;
dfu->i_blk_seq_num = 0;
- dfu->i_buf_start = dfu_get_buf();
+ dfu->i_buf_start = dfu_get_buf(dfu);
if (dfu->i_buf_start == NULL)
return -ENOMEM;
- dfu->i_buf_end = dfu_get_buf() + dfu_buf_size;
+ dfu->i_buf_end = dfu_get_buf(dfu) + dfu_buf_size;
dfu->i_buf = dfu->i_buf_start;
dfu->inited = 1;
if (dfu->i_blk_seq_num != blk_seq_num) {
printf("%s: Wrong sequence number! [%d] [%d]\n",
__func__, dfu->i_blk_seq_num, blk_seq_num);
+ dfu_write_transaction_cleanup(dfu);
return -1;
}
/* flush buffer if overflow */
if ((dfu->i_buf + size) > dfu->i_buf_end) {
- tret = dfu_write_buffer_drain(dfu);
- if (ret == 0)
- ret = tret;
+ ret = dfu_write_buffer_drain(dfu);
+ if (ret) {
+ dfu_write_transaction_cleanup(dfu);
+ return ret;
+ }
}
/* we should be in buffer now (if not then size too large) */
if ((dfu->i_buf + size) > dfu->i_buf_end) {
- printf("%s: Wrong size! [%d] [%d] - %d\n",
- __func__, dfu->i_blk_seq_num, blk_seq_num, size);
+ error("Buffer overflow! (0x%p + 0x%x > 0x%p)\n", dfu->i_buf,
+ size, dfu->i_buf_end);
+ dfu_write_transaction_cleanup(dfu);
return -1;
}
/* if end or if buffer full flush */
if (size == 0 || (dfu->i_buf + size) > dfu->i_buf_end) {
- tret = dfu_write_buffer_drain(dfu);
- if (ret == 0)
- ret = tret;
- }
-
- /* end? */
- if (size == 0) {
- /* Now try and flush to the medium if needed. */
- if (dfu->flush_medium)
- ret = dfu->flush_medium(dfu);
- printf("\nDFU complete CRC32: 0x%08x\n", dfu->crc);
-
- /* clear everything */
- dfu_free_buf();
- dfu->crc = 0;
- dfu->offset = 0;
- dfu->i_blk_seq_num = 0;
- dfu->i_buf_start = dfu_buf;
- dfu->i_buf_end = dfu_buf;
- dfu->i_buf = dfu->i_buf_start;
-
- dfu->inited = 0;
-
+ ret = dfu_write_buffer_drain(dfu);
+ if (ret) {
+ dfu_write_transaction_cleanup(dfu);
+ return ret;
+ }
}
- return ret = 0 ? size : ret;
+ return 0;
}
static int dfu_read_buffer_fill(struct dfu_entity *dfu, void *buf, int size)
/* consume */
if (chunk > 0) {
memcpy(buf, dfu->i_buf, chunk);
- dfu->crc = crc32(dfu->crc, buf, chunk);
+ if (dfu_hash_algo)
+ dfu_hash_algo->hash_update(dfu_hash_algo,
+ &dfu->crc, buf,
+ chunk, 0);
+
dfu->i_buf += chunk;
dfu->b_left -= chunk;
size -= chunk;
__func__, dfu->name, buf, size, blk_seq_num, dfu->i_buf);
if (!dfu->inited) {
- dfu->i_buf_start = dfu_get_buf();
+ dfu->i_buf_start = dfu_get_buf(dfu);
if (dfu->i_buf_start == NULL)
return -ENOMEM;
- ret = dfu->read_medium(dfu, 0, dfu->i_buf_start, &dfu->r_left);
- if (ret != 0) {
- debug("%s: failed to get r_left\n", __func__);
- return ret;
+ dfu->r_left = dfu->get_medium_size(dfu);
+ if (dfu->r_left < 0)
+ return dfu->r_left;
+ switch (dfu->layout) {
+ case DFU_RAW_ADDR:
+ case DFU_RAM_ADDR:
+ break;
+ default:
+ if (dfu->r_left > dfu_buf_size) {
+ printf("%s: File too big for buffer\n",
+ __func__);
+ return -EOVERFLOW;
+ }
}
debug("%s: %s %ld [B]\n", __func__, dfu->name, dfu->r_left);
dfu->i_blk_seq_num = 0;
dfu->crc = 0;
dfu->offset = 0;
- dfu->i_buf_end = dfu_get_buf() + dfu_buf_size;
+ dfu->i_buf_end = dfu_get_buf(dfu) + dfu_buf_size;
dfu->i_buf = dfu->i_buf_start;
dfu->b_left = 0;
}
if (ret < size) {
- debug("%s: %s CRC32: 0x%x\n", __func__, dfu->name, dfu->crc);
+ if (dfu_hash_algo)
+ debug("%s: %s %s: 0x%x\n", __func__, dfu->name,
+ dfu_hash_algo->name, dfu->crc);
puts("\nUPLOAD ... done\nCtrl+C to exit ...\n");
dfu_free_buf();
}
static int dfu_fill_entity(struct dfu_entity *dfu, char *s, int alt,
- char *interface, int num)
+ char *interface, char *devstr)
{
char *st;
- debug("%s: %s interface: %s num: %d\n", __func__, s, interface, num);
+ debug("%s: %s interface: %s dev: %s\n", __func__, s, interface, devstr);
st = strsep(&s, " ");
strcpy(dfu->name, st);
- dfu->dev_num = num;
dfu->alt = alt;
+ dfu->max_buf_size = 0;
+ dfu->free_entity = NULL;
/* Specific for mmc device */
if (strcmp(interface, "mmc") == 0) {
- if (dfu_fill_entity_mmc(dfu, s))
+ if (dfu_fill_entity_mmc(dfu, devstr, s))
return -1;
} else if (strcmp(interface, "nand") == 0) {
- if (dfu_fill_entity_nand(dfu, s))
+ if (dfu_fill_entity_nand(dfu, devstr, s))
+ return -1;
+ } else if (strcmp(interface, "ram") == 0) {
+ if (dfu_fill_entity_ram(dfu, devstr, s))
+ return -1;
+ } else if (strcmp(interface, "sf") == 0) {
+ if (dfu_fill_entity_sf(dfu, devstr, s))
return -1;
} else {
printf("%s: Device %s not (yet) supported!\n",
list_for_each_entry_safe_reverse(dfu, p, &dfu_list, list) {
list_del(&dfu->list);
+ if (dfu->free_entity)
+ dfu->free_entity(dfu);
t = dfu;
}
if (t)
free(t);
INIT_LIST_HEAD(&dfu_list);
+
+ alt_num_cnt = 0;
}
-int dfu_config_entities(char *env, char *interface, int num)
+int dfu_config_entities(char *env, char *interface, char *devstr)
{
struct dfu_entity *dfu;
int i, ret;
dfu_alt_num = dfu_find_alt_num(env);
debug("%s: dfu_alt_num=%d\n", __func__, dfu_alt_num);
+ dfu_hash_algo = NULL;
+ s = dfu_get_hash_algo();
+ if (s) {
+ ret = hash_lookup_algo(s, &dfu_hash_algo);
+ if (ret)
+ error("Hash algorithm %s not supported\n", s);
+ }
+
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);
+ ret = dfu_fill_entity(&dfu[i], s, alt_num_cnt, interface,
+ devstr);
if (ret)
return -1;
list_add_tail(&dfu[i].list, &dfu_list);
+ alt_num_cnt++;
}
return 0;
const char *dfu_get_dev_type(enum dfu_device_type t)
{
- const char *dev_t[] = {NULL, "eMMC", "OneNAND", "NAND" };
+ const char *dev_t[] = {NULL, "eMMC", "OneNAND", "NAND", "RAM" };
return dev_t[t];
}
const char *dfu_get_layout(enum dfu_layout l)
{
const char *dfu_layout[] = {NULL, "RAW_ADDR", "FAT", "EXT2",
- "EXT3", "EXT4" };
+ "EXT3", "EXT4", "RAM_ADDR" };
return dfu_layout[l];
}
return NULL;
}
+
+int dfu_get_alt(char *name)
+{
+ struct dfu_entity *dfu;
+
+ list_for_each_entry(dfu, &dfu_list, list) {
+ if (!strncmp(dfu->name, name, strlen(dfu->name)))
+ return dfu->alt;
+ }
+
+ return -ENODEV;
+}
projects / karo-tx-uboot.git / blobdiff