* 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 <jffs2/load_kernel.h>
#include <nand.h>
-enum dfu_nand_op {
- DFU_OP_READ = 1,
- DFU_OP_WRITE,
-};
-
-static int nand_block_op(enum dfu_nand_op op, struct dfu_entity *dfu,
+static int nand_block_op(enum dfu_op op, struct dfu_entity *dfu,
u64 offset, void *buf, long *len)
{
loff_t start, lim;
size_t count, actual;
int ret;
- nand_info_t *nand;
+ struct mtd_info *mtd;
/* if buf == NULL return total size of the area */
if (buf == NULL) {
if (nand_curr_device < 0 ||
nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE ||
- !nand_info[nand_curr_device].name) {
+ !nand_info[nand_curr_device]->name) {
printf("%s: invalid nand device\n", __func__);
return -1;
}
- nand = &nand_info[nand_curr_device];
+ mtd = nand_info[nand_curr_device];
- if (op == DFU_OP_READ)
- ret = nand_read_skip_bad(nand, start, &count, &actual,
- lim, buf);
- else
- ret = nand_write_skip_bad(nand, start, &count, &actual,
- lim, buf, 0);
+ if (op == DFU_OP_READ) {
+ ret = nand_read_skip_bad(mtd, start, &count, &actual,
+ lim, buf);
+ } else {
+ nand_erase_options_t opts;
+
+ memset(&opts, 0, sizeof(opts));
+ opts.offset = start;
+ opts.length = count;
+ opts.spread = 1;
+ opts.quiet = 1;
+ opts.lim = lim;
+ /* first erase */
+ ret = nand_erase_opts(mtd, &opts);
+ if (ret)
+ return ret;
+ /* then write */
+ ret = nand_write_skip_bad(mtd, start, &count, &actual,
+ lim, buf, WITH_WR_VERIFY);
+ }
if (ret != 0) {
printf("%s: nand_%s_skip_bad call failed at %llx!\n",
return ret;
}
+long dfu_get_medium_size_nand(struct dfu_entity *dfu)
+{
+ return dfu->data.nand.size;
+}
+
static int dfu_read_medium_nand(struct dfu_entity *dfu, u64 offset, void *buf,
long *len)
{
return ret;
}
-int dfu_fill_entity_nand(struct dfu_entity *dfu, char *s)
+static int dfu_flush_medium_nand(struct dfu_entity *dfu)
+{
+ int ret = 0;
+ u64 off;
+
+ /* in case of ubi partition, erase rest of the partition */
+ if (dfu->data.nand.ubi) {
+ struct mtd_info *mtd;
+ nand_erase_options_t opts;
+
+ if (nand_curr_device < 0 ||
+ nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE ||
+ !nand_info[nand_curr_device]->name) {
+ printf("%s: invalid nand device\n", __func__);
+ return -1;
+ }
+
+ mtd = nand_info[nand_curr_device];
+
+ memset(&opts, 0, sizeof(opts));
+ off = dfu->offset;
+ if ((off & (mtd->erasesize - 1)) != 0) {
+ /*
+ * last write ended with unaligned length
+ * sector is erased, jump to next
+ */
+ off = off & ~((mtd->erasesize - 1));
+ off += mtd->erasesize;
+ }
+ opts.offset = dfu->data.nand.start + off +
+ dfu->bad_skip;
+ opts.length = dfu->data.nand.start +
+ dfu->data.nand.size - opts.offset;
+ ret = nand_erase_opts(mtd, &opts);
+ if (ret != 0)
+ printf("Failure erase: %d\n", ret);
+ }
+
+ return ret;
+}
+
+unsigned int dfu_polltimeout_nand(struct dfu_entity *dfu)
+{
+ /*
+ * Currently, Poll Timeout != 0 is only needed on nand
+ * ubi partition, as the not used sectors need an erase
+ */
+ if (dfu->data.nand.ubi)
+ return DFU_MANIFEST_POLL_TIMEOUT;
+
+ return DFU_DEFAULT_POLL_TIMEOUT;
+}
+
+int dfu_fill_entity_nand(struct dfu_entity *dfu, char *devstr, char *s)
{
char *st;
int ret, dev, part;
+ dfu->data.nand.ubi = 0;
dfu->dev_type = DFU_DEV_NAND;
st = strsep(&s, " ");
if (!strcmp(st, "raw")) {
dfu->data.nand.start = simple_strtoul(s, &s, 16);
s++;
dfu->data.nand.size = simple_strtoul(s, &s, 16);
- } else if (!strcmp(st, "part")) {
+ } else if ((!strcmp(st, "part")) || (!strcmp(st, "partubi"))) {
char mtd_id[32];
struct mtd_device *mtd_dev;
u8 part_num;
dfu->data.nand.start = pi->offset;
dfu->data.nand.size = pi->size;
-
+ if (!strcmp(st, "partubi"))
+ dfu->data.nand.ubi = 1;
} else {
printf("%s: Memory layout (%s) not supported!\n", __func__, st);
return -1;
}
+ dfu->get_medium_size = dfu_get_medium_size_nand;
dfu->read_medium = dfu_read_medium_nand;
dfu->write_medium = dfu_write_medium_nand;
+ dfu->flush_medium = dfu_flush_medium_nand;
+ dfu->poll_timeout = dfu_polltimeout_nand;
/* initial state */
dfu->inited = 0;
projects / people / ms / u-boot.git / blobdiff