dfu: allow dfu read on partition greater than 2GB

[oweals/u-boot.git] / drivers / dfu / dfu.c

diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
index ad0a7e7c25f9f4cd5f6c543cdb3deab56d97ceca..c77701646bc25b2400fe8f1dca9beec57c20b1d8 100644 (file)
--- a/drivers/dfu/dfu.c
+++ b/drivers/dfu/dfu.c
@@ -35,7 +35,11 @@ static struct hash_algo *dfu_hash_algo;
  */
 __weak bool dfu_usb_get_reset(void)
 {
+#ifdef CONFIG_SPL_DFU_NO_RESET
+       return false;
+#else
        return true;
+#endif
 }
 
 static int dfu_find_alt_num(const char *s)
@@ -55,6 +59,9 @@ int dfu_init_env_entities(char *interface, char *devstr)
        char *env_bkp;
        int ret;
 
+#ifdef CONFIG_SET_DFU_ALT_INFO
+       set_dfu_alt_info(interface, devstr);
+#endif
        str_env = getenv("dfu_alt_info");
        if (!str_env) {
                error("\"dfu_alt_info\" env variable not defined!\n");
@@ -73,7 +80,7 @@ int dfu_init_env_entities(char *interface, char *devstr)
 }
 
 static unsigned char *dfu_buf;
-static unsigned long dfu_buf_size = CONFIG_SYS_DFU_DATA_BUF_SIZE;
+static unsigned long dfu_buf_size;
 
 unsigned char *dfu_free_buf(void)
 {
@@ -161,7 +168,6 @@ static int dfu_write_buffer_drain(struct dfu_entity *dfu)
 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;
@@ -195,9 +201,9 @@ 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",
+       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);
+             (unsigned long)(dfu->i_buf - dfu->i_buf_start));
 
        if (!dfu->inited) {
                /* initial state */
@@ -333,20 +339,9 @@ int dfu_read(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
                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;
-                       }
-               }
+               ret = dfu->get_medium_size(dfu, &dfu->r_left);
+               if (ret < 0)
+                       return ret;
 
                debug("%s: %s %ld [B]\n", __func__, dfu->name, dfu->r_left);
 
@@ -382,7 +377,6 @@ int dfu_read(struct dfu_entity *dfu, void *buf, int size, int blk_seq_num)
                              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;
@@ -430,6 +424,7 @@ static int dfu_fill_entity(struct dfu_entity *dfu, char *s, int alt,
                       __func__,  interface);
                return -1;
        }
+       dfu_get_buf(dfu);
 
        return 0;
 }
@@ -438,6 +433,7 @@ void dfu_free_entities(void)
 {
        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)
@@ -476,8 +472,10 @@ int dfu_config_entities(char *env, char *interface, char *devstr)
                s = strsep(&env, ";");
                ret = dfu_fill_entity(&dfu[i], s, alt_num_cnt, interface,
                                      devstr);
-               if (ret)
+               if (ret) {
+                       free(dfu);
                        return -1;
+               }
 
                list_add_tail(&dfu[i].list, &dfu_list);
                alt_num_cnt++;
@@ -488,7 +486,7 @@ int dfu_config_entities(char *env, char *interface, char *devstr)
 
 const char *dfu_get_dev_type(enum dfu_device_type t)
 {
-       const char *dev_t[] = {NULL, "eMMC", "OneNAND", "NAND", "RAM" };
+       const char *dev_t[] = {NULL, "eMMC", "OneNAND", "NAND", "RAM", "SF" };
        return dev_t[t];
 }
 
@@ -565,3 +563,40 @@ int dfu_get_alt(char *name)
 
        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) {
+                       error("DFU write failed\n");
+                       return ret;
+               }
+
+               dp += write;
+               left -= write;
+       }
+
+       ret = dfu_flush(dfu, NULL, 0, i);
+       if (ret)
+               error("DFU flush failed!");
+
+       return ret;
+}