+// SPDX-License-Identifier: GPL-2.0+
/*
* dfu.c -- DFU back-end routines
*
* Copyright (C) 2012 Samsung Electronics
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <env.h>
#include <errno.h>
+#include <log.h>
#include <malloc.h>
#include <mmc.h>
#include <fat.h>
#include <linux/list.h>
#include <linux/compiler.h>
-static LIST_HEAD(dfu_list);
+LIST_HEAD(dfu_list);
static int dfu_alt_num;
static int alt_num_cnt;
static struct hash_algo *dfu_hash_algo;
+#ifdef CONFIG_DFU_TIMEOUT
+static unsigned long dfu_timeout = 0;
+#endif
+
+bool dfu_reinit_needed = false;
+
+/*
+ * The purpose of the dfu_flush_callback() function is to
+ * provide callback for dfu user
+ */
+__weak void dfu_flush_callback(struct dfu_entity *dfu)
+{
+}
+
+/*
+ * The purpose of the dfu_initiated_callback() function is to
+ * provide callback for dfu user
+ */
+__weak void dfu_initiated_callback(struct dfu_entity *dfu)
+{
+}
+
+/*
+ * The purpose of the dfu_error_callback() function is to
+ * provide callback for dfu user
+ */
+__weak void dfu_error_callback(struct dfu_entity *dfu, const char *msg)
+{
+}
/*
* The purpose of the dfu_usb_get_reset() function is to
#endif
}
+#ifdef CONFIG_DFU_TIMEOUT
+void dfu_set_timeout(unsigned long timeout)
+{
+ dfu_timeout = timeout;
+}
+
+unsigned long dfu_get_timeout(void)
+{
+ return dfu_timeout;
+}
+#endif
+
static int dfu_find_alt_num(const char *s)
{
int i = 0;
return ++i;
}
+/*
+ * treat dfu_alt_info with several interface information
+ * to allow DFU on several device with one command,
+ * the string format is
+ * interface devstring'='alternate list (';' separated)
+ * and each interface separated by '&'
+ */
+int dfu_config_interfaces(char *env)
+{
+ struct dfu_entity *dfu;
+ char *s, *i, *d, *a, *part;
+ int ret = -EINVAL;
+ int n = 1;
+
+ s = env;
+ for (; *s; s++) {
+ if (*s == ';')
+ n++;
+ if (*s == '&')
+ n++;
+ }
+ ret = dfu_alt_init(n, &dfu);
+ if (ret)
+ return ret;
+
+ s = env;
+ while (s) {
+ ret = -EINVAL;
+ i = strsep(&s, " ");
+ if (!i)
+ break;
+ d = strsep(&s, "=");
+ if (!d)
+ break;
+ a = strsep(&s, "&");
+ if (!a)
+ a = s;
+ do {
+ part = strsep(&a, ";");
+ ret = dfu_alt_add(dfu, i, d, part);
+ if (ret)
+ return ret;
+ } while (a);
+ }
+
+ return ret;
+}
+
int dfu_init_env_entities(char *interface, char *devstr)
{
const char *str_env;
char *env_bkp;
- int ret;
+ int ret = 0;
+
+ dfu_reinit_needed = false;
#ifdef CONFIG_SET_DFU_ALT_INFO
set_dfu_alt_info(interface, devstr);
}
env_bkp = strdup(str_env);
- ret = dfu_config_entities(env_bkp, interface, devstr);
+ if (!interface && !devstr)
+ ret = dfu_config_interfaces(env_bkp);
+ else
+ ret = dfu_config_entities(env_bkp, interface, devstr);
+
if (ret) {
pr_err("DFU entities configuration failed!\n");
- return ret;
+ pr_err("(partition table does not match dfu_alt_info?)\n");
+ goto done;
}
+done:
free(env_bkp);
- return 0;
+ return ret;
}
static unsigned char *dfu_buf;
static unsigned long dfu_buf_size;
+static enum dfu_device_type dfu_buf_device_type;
unsigned char *dfu_free_buf(void)
{
{
char *s;
+ /* manage several entity with several contraint */
+ if (dfu_buf && dfu->dev_type != dfu_buf_device_type)
+ dfu_free_buf();
+
if (dfu_buf != NULL)
return dfu_buf;
printf("%s: Could not memalign 0x%lx bytes\n",
__func__, dfu_buf_size);
+ dfu_buf_device_type = dfu->dev_type;
return dfu_buf;
}
}
dfu->inited = 1;
+ dfu_initiated_callback(dfu);
return 0;
}
printf("\nDFU complete %s: 0x%08x\n", dfu_hash_algo->name,
dfu->crc);
+ dfu_flush_callback(dfu);
+
dfu_transaction_cleanup(dfu);
return ret;
printf("%s: Wrong sequence number! [%d] [%d]\n",
__func__, dfu->i_blk_seq_num, blk_seq_num);
dfu_transaction_cleanup(dfu);
+ dfu_error_callback(dfu, "Wrong sequence number");
return -1;
}
ret = dfu_write_buffer_drain(dfu);
if (ret) {
dfu_transaction_cleanup(dfu);
+ dfu_error_callback(dfu, "DFU write error");
return ret;
}
}
pr_err("Buffer overflow! (0x%p + 0x%x > 0x%p)\n", dfu->i_buf,
size, dfu->i_buf_end);
dfu_transaction_cleanup(dfu);
+ dfu_error_callback(dfu, "Buffer overflow");
return -1;
}
ret = dfu_write_buffer_drain(dfu);
if (ret) {
dfu_transaction_cleanup(dfu);
+ dfu_error_callback(dfu, "DFU write error");
return ret;
}
}
debug("%s: Read error!\n", __func__);
return ret;
}
+ if (dfu->b_left == 0)
+ break;
dfu->offset += dfu->b_left;
dfu->r_left -= dfu->b_left;
if (strcmp(interface, "mmc") == 0) {
if (dfu_fill_entity_mmc(dfu, devstr, s))
return -1;
+ } else if (strcmp(interface, "mtd") == 0) {
+ if (dfu_fill_entity_mtd(dfu, devstr, s))
+ return -1;
} else if (strcmp(interface, "nand") == 0) {
if (dfu_fill_entity_nand(dfu, devstr, s))
return -1;
} else if (strcmp(interface, "sf") == 0) {
if (dfu_fill_entity_sf(dfu, devstr, s))
return -1;
+ } else if (strcmp(interface, "virt") == 0) {
+ if (dfu_fill_entity_virt(dfu, devstr, s))
+ return -1;
} else {
printf("%s: Device %s not (yet) supported!\n",
__func__, interface);
alt_num_cnt = 0;
}
-int dfu_config_entities(char *env, char *interface, char *devstr)
+int dfu_alt_init(int num, struct dfu_entity **dfu)
{
- struct dfu_entity *dfu;
- int i, ret;
char *s;
+ int ret;
- dfu_alt_num = dfu_find_alt_num(env);
+ dfu_alt_num = num;
debug("%s: dfu_alt_num=%d\n", __func__, dfu_alt_num);
dfu_hash_algo = NULL;
pr_err("Hash algorithm %s not supported\n", s);
}
- dfu = calloc(sizeof(*dfu), dfu_alt_num);
- if (!dfu)
+ *dfu = calloc(sizeof(struct dfu_entity), dfu_alt_num);
+ if (!*dfu)
+ return -1;
+
+ return 0;
+}
+
+int dfu_alt_add(struct dfu_entity *dfu, char *interface, char *devstr, char *s)
+{
+ struct dfu_entity *p_dfu;
+ int ret;
+
+ if (alt_num_cnt >= dfu_alt_num)
+ return -1;
+
+ p_dfu = &dfu[alt_num_cnt];
+ ret = dfu_fill_entity(p_dfu, s, alt_num_cnt, interface, devstr);
+ if (ret)
return -1;
- for (i = 0; i < dfu_alt_num; i++) {
+ list_add_tail(&p_dfu->list, &dfu_list);
+ alt_num_cnt++;
+
+ return 0;
+}
+
+int dfu_config_entities(char *env, char *interface, char *devstr)
+{
+ struct dfu_entity *dfu;
+ int i, ret;
+ char *s;
+
+ ret = dfu_alt_init(dfu_find_alt_num(env), &dfu);
+ if (ret)
+ return -1;
+
+ for (i = 0; i < dfu_alt_num; i++) {
s = strsep(&env, ";");
- ret = dfu_fill_entity(&dfu[i], s, alt_num_cnt, interface,
- devstr);
+ ret = dfu_alt_add(dfu, interface, devstr, s);
if (ret) {
- free(dfu);
+ /* We will free "dfu" in dfu_free_entities() */
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", "RAM", "SF" };
+ const char *const dev_t[] = {NULL, "eMMC", "OneNAND", "NAND", "RAM",
+ "SF", "MTD", "VIRT"};
return dev_t[t];
}
const char *dfu_get_layout(enum dfu_layout l)
{
- const char *dfu_layout[] = {NULL, "RAW_ADDR", "FAT", "EXT2",
- "EXT3", "EXT4", "RAM_ADDR" };
+ const char *const dfu_layout[] = {NULL, "RAW_ADDR", "FAT", "EXT2",
+ "EXT3", "EXT4", "RAM_ADDR", "SKIP",
+ "SCRIPT" };
return dfu_layout[l];
}
ret = dfu_flush(dfu, NULL, 0, i);
if (ret)
pr_err("DFU flush failed!");
+ puts("\n");
return ret;
}
projects / J-u-boot.git / blobdiff