+// SPDX-License-Identifier: GPL-2.0+
/*
* dfu.c -- DFU back-end routines
*
* Copyright (C) 2012 Samsung Electronics
* author: Lukasz Majewski <l.majewski@samsung.com>
- *
- * 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>
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
+
+/*
+ * 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_usb_get_reset() function is to
*/
__weak bool dfu_usb_get_reset(void)
{
+#ifdef CONFIG_SPL_DFU_NO_RESET
+ return false;
+#else
return true;
+#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)
{
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;
- str_env = getenv("dfu_alt_info");
+#ifdef CONFIG_SET_DFU_ALT_INFO
+ set_dfu_alt_info(interface, devstr);
+#endif
+ str_env = env_get("dfu_alt_info");
if (!str_env) {
- error("\"dfu_alt_info\" env variable not defined!\n");
+ pr_err("\"dfu_alt_info\" env variable not defined!\n");
return -EINVAL;
}
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) {
- error("DFU entities configuration failed!\n");
- return ret;
+ pr_err("DFU entities configuration failed!\n");
+ 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 = CONFIG_SYS_DFU_DATA_BUF_SIZE;
+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;
- s = getenv("dfu_bufsiz");
+ s = env_get("dfu_bufsiz");
if (s)
dfu_buf_size = (unsigned long)simple_strtol(s, NULL, 0);
printf("%s: Could not memalign 0x%lx bytes\n",
__func__, dfu_buf_size);
+ dfu_buf_device_type = dfu->dev_type;
return dfu_buf;
}
{
char *s;
- s = getenv("dfu_hash_algo");
+ s = env_get("dfu_hash_algo");
if (!s)
return NULL;
return s;
}
- error("DFU hash method: %s not supported!\n", s);
+ pr_err("DFU hash method: %s not supported!\n", s);
return NULL;
}
return ret;
}
-void dfu_write_transaction_cleanup(struct dfu_entity *dfu)
+void dfu_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_start = dfu_get_buf(dfu);
+ dfu->i_buf_end = dfu->i_buf_start;
dfu->i_buf = dfu->i_buf_start;
+ dfu->r_left = 0;
+ dfu->b_left = 0;
+ dfu->bad_skip = 0;
+
dfu->inited = 0;
}
+int dfu_transaction_initiate(struct dfu_entity *dfu, bool read)
+{
+ int ret = 0;
+
+ if (dfu->inited)
+ return 0;
+
+ dfu_transaction_cleanup(dfu);
+
+ if (dfu->i_buf_start == NULL)
+ return -ENOMEM;
+
+ dfu->i_buf_end = dfu->i_buf_start + dfu_get_buf_size();
+
+ if (read) {
+ ret = dfu->get_medium_size(dfu, &dfu->r_left);
+ if (ret < 0)
+ return ret;
+ debug("%s: %s %lld [B]\n", __func__, dfu->name, dfu->r_left);
+ }
+
+ dfu->inited = 1;
+ dfu_initiated_callback(dfu);
+
+ return 0;
+}
+
int dfu_flush(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
{
int ret = 0;
printf("\nDFU complete %s: 0x%08x\n", dfu_hash_algo->name,
dfu->crc);
- dfu_write_transaction_cleanup(dfu);
+ dfu_flush_callback(dfu);
+
+ dfu_transaction_cleanup(dfu);
return ret;
}
{
int ret;
- debug("%s: name: %s buf: 0x%p size: 0x%x p_num: 0x%x offset: 0x%llx bufoffset: 0x%x\n",
+ debug("%s: name: %s buf: 0x%p size: 0x%x p_num: 0x%x offset: 0x%llx bufoffset: 0x%lx\n",
__func__, dfu->name, buf, size, blk_seq_num, dfu->offset,
- dfu->i_buf - dfu->i_buf_start);
-
- if (!dfu->inited) {
- /* initial state */
- dfu->crc = 0;
- dfu->offset = 0;
- dfu->bad_skip = 0;
- dfu->i_blk_seq_num = 0;
- dfu->i_buf_start = dfu_get_buf(dfu);
- if (dfu->i_buf_start == NULL)
- return -ENOMEM;
- dfu->i_buf_end = dfu_get_buf(dfu) + dfu_buf_size;
- dfu->i_buf = dfu->i_buf_start;
-
- dfu->inited = 1;
- }
+ (unsigned long)(dfu->i_buf - dfu->i_buf_start));
+
+ ret = dfu_transaction_initiate(dfu, false);
+ if (ret < 0)
+ return ret;
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);
+ dfu_transaction_cleanup(dfu);
return -1;
}
if ((dfu->i_buf + size) > dfu->i_buf_end) {
ret = dfu_write_buffer_drain(dfu);
if (ret) {
- dfu_write_transaction_cleanup(dfu);
+ dfu_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) {
- error("Buffer overflow! (0x%p + 0x%x > 0x%p)\n", dfu->i_buf,
+ pr_err("Buffer overflow! (0x%p + 0x%x > 0x%p)\n", dfu->i_buf,
size, dfu->i_buf_end);
- dfu_write_transaction_cleanup(dfu);
+ dfu_transaction_cleanup(dfu);
return -1;
}
if (size == 0 || (dfu->i_buf + size) > dfu->i_buf_end) {
ret = dfu_write_buffer_drain(dfu);
if (ret) {
- dfu_write_transaction_cleanup(dfu);
+ dfu_transaction_cleanup(dfu);
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;
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, dfu->i_buf);
- if (!dfu->inited) {
- dfu->i_buf_start = dfu_get_buf(dfu);
- if (dfu->i_buf_start == NULL)
- return -ENOMEM;
-
- 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) + dfu_buf_size;
- dfu->i_buf = dfu->i_buf_start;
- dfu->b_left = 0;
-
- dfu->bad_skip = 0;
-
- dfu->inited = 1;
- }
+ ret = dfu_transaction_initiate(dfu, true);
+ if (ret < 0)
+ return ret;
if (dfu->i_blk_seq_num != blk_seq_num) {
printf("%s: Wrong sequence number! [%d] [%d]\n",
dfu_hash_algo->name, dfu->crc);
puts("\nUPLOAD ... done\nCtrl+C to exit ...\n");
- dfu_free_buf();
- dfu->i_blk_seq_num = 0;
- dfu->crc = 0;
- dfu->offset = 0;
- dfu->i_buf_start = dfu_buf;
- dfu->i_buf_end = dfu_buf;
- dfu->i_buf = dfu->i_buf_start;
- dfu->b_left = 0;
-
- dfu->bad_skip = 0;
-
- dfu->inited = 0;
+ dfu_transaction_cleanup(dfu);
}
return ret;
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);
return -1;
}
+ dfu_get_buf(dfu);
return 0;
}
{
struct dfu_entity *dfu, *p, *t = NULL;
+ dfu_free_buf();
list_for_each_entry_safe_reverse(dfu, p, &dfu_list, list) {
list_del(&dfu->list);
if (dfu->free_entity)
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;
if (s) {
ret = hash_lookup_algo(s, &dfu_hash_algo);
if (ret)
- error("Hash algorithm %s not supported\n", s);
+ 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;
- for (i = 0; i < dfu_alt_num; i++) {
+ 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;
+
+ 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);
- if (ret)
+ ret = dfu_alt_add(dfu, interface, devstr, s);
+ if (ret) {
+ /* 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" };
+ 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" };
return dfu_layout[l];
}
return -ENODEV;
}
+
+int dfu_write_from_mem_addr(struct dfu_entity *dfu, void *buf, int size)
+{
+ unsigned long dfu_buf_size, write, left = size;
+ int i, ret = 0;
+ void *dp = buf;
+
+ /*
+ * Here we must call dfu_get_buf(dfu) first to be sure that dfu_buf_size
+ * has been properly initialized - e.g. if "dfu_bufsiz" has been taken
+ * into account.
+ */
+ dfu_get_buf(dfu);
+ dfu_buf_size = dfu_get_buf_size();
+ debug("%s: dfu buf size: %lu\n", __func__, dfu_buf_size);
+
+ for (i = 0; left > 0; i++) {
+ write = min(dfu_buf_size, left);
+
+ debug("%s: dp: 0x%p left: %lu write: %lu\n", __func__,
+ dp, left, write);
+ ret = dfu_write(dfu, dp, write, i);
+ if (ret) {
+ pr_err("DFU write failed\n");
+ return ret;
+ }
+
+ dp += write;
+ left -= write;
+ }
+
+ ret = dfu_flush(dfu, NULL, 0, i);
+ if (ret)
+ pr_err("DFU flush failed!");
+
+ return ret;
+}
projects / oweals / u-boot.git / blobdiff