spl: Update fat functions to take an spl_image parameter

[oweals/u-boot.git] / common / spl / spl_fat.c

diff --git a/common/spl/spl_fat.c b/common/spl/spl_fat.c
index d761b264c139aba5c0229af4d02139e6626660eb..e2bb00029c24757662550662d423688c897e3c17 100644 (file)
--- a/common/spl/spl_fat.c
+++ b/common/spl/spl_fat.c
@@ -15,6 +15,7 @@
 #include <fat.h>
 #include <errno.h>
 #include <image.h>
+#include <libfdt.h>
 
 static int fat_registered;
 
@@ -39,9 +40,23 @@ static int spl_register_fat_device(struct blk_desc *block_dev, int partition)
        return err;
 }
 
-int spl_load_image_fat(struct blk_desc *block_dev,
-                                               int partition,
-                                               const char *filename)
+static ulong spl_fit_read(struct spl_load_info *load, ulong file_offset,
+                         ulong size, void *buf)
+{
+       loff_t actread;
+       int ret;
+       char *filename = (char *)load->filename;
+
+       ret = fat_read_file(filename, buf, file_offset, size, &actread);
+       if (ret)
+               return ret;
+
+       return actread;
+}
+
+int spl_load_image_fat(struct spl_image_info *spl_image,
+                      struct blk_desc *block_dev, int partition,
+                      const char *filename)
 {
        int err;
        struct image_header *header;
@@ -57,9 +72,25 @@ int spl_load_image_fat(struct blk_desc *block_dev,
        if (err <= 0)
                goto end;
 
-       spl_parse_image_header(header);
+       if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
+           image_get_magic(header) == FDT_MAGIC) {
+               struct spl_load_info load;
+
+               debug("Found FIT\n");
+               load.read = spl_fit_read;
+               load.bl_len = 1;
+               load.filename = (void *)filename;
+               load.priv = NULL;
 
-       err = file_fat_read(filename, (u8 *)spl_image.load_addr, 0);
+               return spl_load_simple_fit(&load, 0, header);
+       } else {
+               err = spl_parse_image_header(spl_image, header);
+               if (err)
+                       goto end;
+
+               err = file_fat_read(filename,
+                                   (u8 *)(uintptr_t)spl_image->load_addr, 0);
+       }
 
 end:
 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
@@ -72,7 +103,8 @@ end:
 }
 
 #ifdef CONFIG_SPL_OS_BOOT
-int spl_load_image_fat_os(struct blk_desc *block_dev, int partition)
+int spl_load_image_fat_os(struct spl_image_info *spl_image,
+                         struct blk_desc *block_dev, int partition)
 {
        int err;
        __maybe_unused char *file;
@@ -92,7 +124,8 @@ int spl_load_image_fat_os(struct blk_desc *block_dev, int partition)
                }
                file = getenv("falcon_image_file");
                if (file) {
-                       err = spl_load_image_fat(block_dev, partition, file);
+                       err = spl_load_image_fat(spl_image, block_dev,
+                                                partition, file);
                        if (err != 0) {
                                puts("spl: falling back to default\n");
                                goto defaults;
@@ -117,11 +150,12 @@ defaults:
                return -1;
        }
 
-       return spl_load_image_fat(block_dev, partition,
+       return spl_load_image_fat(spl_image, block_dev, partition,
                        CONFIG_SPL_FS_LOAD_KERNEL_NAME);
 }
 #else
-int spl_load_image_fat_os(struct blk_desc *block_dev, int partition)
+int spl_load_image_fat_os(struct spl_image_info *spl_image,
+                         struct blk_desc *block_dev, int partition)
 {
        return -ENOSYS;
 }