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rockchip: mkimage: Allow encoding of loader code in spl images

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Rockchip SoCs allow the spl code to be rc4-encoded, not only the
image header, but only newer SoCs allow this encoding to be disabled.

The rk3188 is not part of those and requires its boot code to be
rc4-encoded with the regular key. So add the ability to do this
encoding via a setting on a per-soc basis when building spl images.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Heiko Stübner
2017-02-18 19:46:27 +01:00
committed by Simon Glass
parent aade077e43
commit cfbcdade76
5 changed files with 62 additions and 4 deletions
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4
tools/rkspi.c
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@ -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