U-Boot's printf() used before setting up U-Boot's serial driver does not create any output. Use os_printf() for error messages related to loading the device-tree.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- arch/sandbox/cpu/cpu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/sandbox/cpu/cpu.c b/arch/sandbox/cpu/cpu.c index ff0fa8a685..9e379da17a 100644 --- a/arch/sandbox/cpu/cpu.c +++ b/arch/sandbox/cpu/cpu.c @@ -306,27 +306,27 @@ void *board_fdt_blob_setup(int *ret) err = fdt_create_empty_tree(blob, 256); if (!err) goto done; - printf("Unable to create empty FDT: %s\n", fdt_strerror(err)); + os_printf("Unable to create empty FDT: %s\n", fdt_strerror(err)); *ret = -EINVAL; goto fail; }
err = os_get_filesize(fname, &size); if (err < 0) { - printf("Failed to find FDT file '%s'\n", fname); + os_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); + os_printf("Failed to open FDT file '%s'\n", fname); *ret = -EACCES; goto fail; }
if (os_read(fd, blob, size) != size) { os_close(fd); - printf("Failed to read FDT file '%s'\n", fname); + os_printf("Failed to read FDT file '%s'\n", fname); *ret = -EIO; goto fail; }