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| author | Peng Fan <peng.fan@nxp.com> | 2023-06-15 18:09:14 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2023-07-13 11:29:40 +0200 |
| commit | 1c3f5df2597b80d4dac635152fc5dd1a9c4150b9 (patch) | |
| tree | 7dce6c7cc60f37d6416b814a68fd467af161b949 /board | |
| parent | 78b4cf75307f4704881b7b7501721f27f2691f9f (diff) | |
| download | u-boot-1c3f5df2597b80d4dac635152fc5dd1a9c4150b9.zip u-boot-1c3f5df2597b80d4dac635152fc5dd1a9c4150b9.tar.gz u-boot-1c3f5df2597b80d4dac635152fc5dd1a9c4150b9.tar.bz2 | |
imx: imx8ulp: start the ELE RNG at boot
On the imx8ulp A1 SoC, the ELE RNG needs to be manually started.
Signed-off-by: Clement Faure <clement.faure@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/imx8ulp_evk/spl.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/board/freescale/imx8ulp_evk/spl.c b/board/freescale/imx8ulp_evk/spl.c index b7c6ff0..66d0f68 100644 --- a/board/freescale/imx8ulp_evk/spl.c +++ b/board/freescale/imx8ulp_evk/spl.c @@ -123,6 +123,16 @@ void spl_board_init(void) ret = ele_release_caam(0x7, &res); if (ret) printf("ele release caam failed %d, 0x%x\n", ret, res); + + /* + * RNG start only available on the A1 soc revision. + * Check some JTAG register for the SoC revision. + */ + if (!is_soc_rev(CHIP_REV_1_0)) { + ret = ele_start_rng(); + if (ret) + printf("Fail to start RNG: %d\n", ret); + } } void board_init_f(ulong dummy) |