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Diffstat (limited to 'arch/sandbox/cpu/cpu.c')
-rw-r--r--arch/sandbox/cpu/cpu.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c
index 48636ab6391..9887d09272a 100644
--- a/arch/sandbox/cpu/cpu.c
+++ b/arch/sandbox/cpu/cpu.c
@@ -291,44 +291,51 @@ void invalidate_dcache_range(unsigned long start, unsigned long stop)
{
}
-int sandbox_read_fdt_from_file(void)
+void *board_fdt_blob_setup(int *ret)
{
struct sandbox_state *state = state_get_current();
const char *fname = state->fdt_fname;
- void *blob;
+ void *blob = NULL;
loff_t size;
int err;
int fd;
blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0);
+ *ret = 0;
if (!state->fdt_fname) {
err = fdt_create_empty_tree(blob, 256);
if (!err)
goto done;
printf("Unable to create empty FDT: %s\n", fdt_strerror(err));
- return -EINVAL;
+ *ret = -EINVAL;
+ goto fail;
}
err = os_get_filesize(fname, &size);
if (err < 0) {
- printf("Failed to file FDT file '%s'\n", fname);
- return err;
+ printf("Failed to find FDT file '%s'\n", fname);
+ *ret = err;
+ goto fail;
}
fd = os_open(fname, OS_O_RDONLY);
if (fd < 0) {
printf("Failed to open FDT file '%s'\n", fname);
- return -EACCES;
+ *ret = -EACCES;
+ goto fail;
}
+
if (os_read(fd, blob, size) != size) {
os_close(fd);
- return -EIO;
+ printf("Failed to read FDT file '%s'\n", fname);
+ *ret = -EIO;
+ goto fail;
}
os_close(fd);
done:
- gd->fdt_blob = blob;
-
- return 0;
+ return blob;
+fail:
+ return NULL;
}
ulong timer_get_boot_us(void)