cmd: nfsdown: support FAT type image

Add function to support FAT type image update, especially
for ramdisk.img. It will download image from nfs server,
and update using fatwrite command.

Change-Id: I8d65a266137f1e6b15899662bb907998ae084879
Signed-off-by: Jiho Chu <jiho.chu@samsung.com>

diff --git a/cmd/nfsdown.c b/cmd/nfsdown.c
index eced7c3..bd31a7a 100644 (file)
--- a/cmd/nfsdown.c
+++ b/cmd/nfsdown.c
@@ -26,14 +26,14 @@
 #define NFS_DOWNLOAD_ADDR      "0x40000000"
 #endif
 
-enum img_type {
-       IMG_TYPE_RAW,
-       IMG_TYPE_PART,
+enum img_layout {
+       RAW_ADDR,
+       FS_FAT,
 };
 
 struct img_info {
        char name[LEN_NAME];
-       enum img_type type;
+       enum img_layout layout;
 
        /* mmc info */
        uint hwpart;
@@ -64,7 +64,8 @@ static char *g_update_image_names[] = {
        "rootfs.img",
        "system-data.img",
        "user.img",
-       "modules.img"
+       "modules.img",
+       "ramdisk.img"
 };
 
 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_HOST_ETHER)
@@ -186,7 +187,7 @@ static struct img_info *create_img_info(struct mmc *mmc, char *str_info)
                goto create_img_err;
 
        if (!strncmp(tok[1], "raw", 3)) {
-               info->type = IMG_TYPE_RAW;
+               info->layout = RAW_ADDR;
                info->lba_start = simple_strtoul(tok[2], NULL, 0);
                info->lba_size = simple_strtoul(tok[3], NULL, 0);
                info->lba_blk_size = 512;
@@ -199,7 +200,7 @@ static struct img_info *create_img_info(struct mmc *mmc, char *str_info)
                disk_partition_t partinfo;
                uint offset = 0;
 
-               info->type = IMG_TYPE_PART;
+               info->layout = RAW_ADDR;
                info->hwpart = simple_strtoul(tok[2], NULL, 0);
                info->part = simple_strtoul(tok[3], NULL, 0);
 
@@ -217,10 +218,11 @@ static struct img_info *create_img_info(struct mmc *mmc, char *str_info)
                info->lba_size  = partinfo.size - offset;
                info->lba_blk_size = partinfo.blksz;
        } else if (!strncmp(tok[1], "fat", 3)) {
-               error("nfsdown does not support fat update");
-               goto create_img_err;
+               info->layout = FS_FAT;
+               info->hwpart = simple_strtoul(tok[2], NULL, 0);
+               info->part = simple_strtoul(tok[3], NULL, 0);
        } else {
-               error("Unrecognized img type: %s", tok[0]);
+               error("Unrecognized img layout: %s", tok[0]);
                goto create_img_err;
        }
 
@@ -302,6 +304,33 @@ static int do_nfs_to_mmc(struct mmc *mmc, char *buf_addr, char *file_path,
        return (int)net_boot_file_size;
 }
 
+static int do_nfs_to_fat(char *buf_addr, char *file_path, char *file_name,
+                        uint dev, uint part)
+{
+       char *_argv[3];
+       uint _size;
+       int ret;
+       int repeatable;
+       char buf[256];
+
+       _argv[0] = "nfs";
+       _argv[1] = buf_addr;
+       _argv[2] = file_path;
+
+       ret = cmd_process(0, 3, _argv, &repeatable, NULL);
+       if (ret != CMD_RET_SUCCESS) {
+               puts("nfs download failed!!\n");
+               return -1;
+       }
+
+       _size = net_boot_file_size;
+       snprintf(buf, 256, "fatwrite mmc %d:%d %s %s %x", dev, part, buf_addr,
+                file_name, _size);
+       run_command(buf, 0);
+
+       return _size;
+}
+
 int do_nfs_down(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        char *nfs_path;
@@ -366,9 +395,15 @@ int do_nfs_down(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
        list_for_each_entry(info, &img_info_list, list) {
                snprintf(src_path, LEN_BUF, "%s/%s", nfs_path, info->name);
 
-               size = do_nfs_to_mmc(mmc, NFS_DOWNLOAD_ADDR, src_path,
-                                    info->hwpart, info->lba_start,
-                                    info->lba_size, info->lba_blk_size);
+               if (info->layout == FS_FAT)
+                       size = do_nfs_to_fat(NFS_DOWNLOAD_ADDR, src_path,
+                                            info->name, info->hwpart,
+                                            info->part);
+               else
+                       size = do_nfs_to_mmc(mmc, NFS_DOWNLOAD_ADDR, src_path,
+                                            info->hwpart, info->lba_start,
+                                            info->lba_size,
+                                            info->lba_blk_size);
                if (size > 0) {
                        struct img_comp *new_comp;