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-rw-r--r--tools/rkspi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/rkspi.c b/tools/rkspi.c
index a0b0051d38..0271d2e817 100644
--- a/tools/rkspi.c
+++ b/tools/rkspi.c
@@ -48,6 +48,10 @@ static void rkspi_set_header(void *buf, struct stat *sbuf, int ifd,
memcpy(buf + RK_SPL_HDR_START, rkcommon_get_spl_hdr(params),
RK_SPL_HDR_SIZE);
+ if (rkcommon_need_rc4_spl(params))
+ rkcommon_rc4_encode_spl(buf, RK_SPL_START - 4,
+ params->file_size - RK_SPL_START + 4);
+
/*
* Spread the image out so we only use the first 2KB of each 4KB
* region. This is a feature of the SPI format required by the Rockchip