From mboxrd@z Thu Jan 1 00:00:00 1970 From: Giulio Benetti Date: Sun, 4 Apr 2021 20:51:05 +0200 Subject: imxrt1020 EVK u-boot doesn't run. In-Reply-To: <272f3983-6f31-ed22-f7f2-419c327ecaf0@benettiengineering.com> References: <272f3983-6f31-ed22-f7f2-419c327ecaf0@benettiengineering.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Nicolas, On 4/4/21 7:56 PM, Giulio Benetti wrote: >>> Would you have any idea what is going on? > > I've just entered debugging and two things came out: > 1) in board/freescale/imxrt-1020-evk/imxrt1020-evk.c when calling > spl_dram_init() there is some printf() inside that gets called, but that > happens before calling preloader_console_init() that set serial up, so > this is the reason why there is no output at all. Can you please try to apply this patch [1] to check if uart starts to work and giving you this message [2]? [1]: https://patchwork.ozlabs.org/project/uboot/patch/20210404182135.1243077-1-giulio.benetti at benettiengineering.com/ [2]: ``` U-Boot SPL 2021.04-rc5-00518-ga0da06d2f8-dirty (Apr 04 2021 - 19:49:47 +0200) Could not initialize timer (err -19) ``` Thank you -- Giulio Benetti Benetti Engineering sas > 2) I've completely ignored(wrongly) having a timer and at that time > u-boot allowed it getting a tick-count always at 0, so every delay > called return immediatly with 0. This is not possible anymore and I need > to finish writing gpt-timer driver I was writing. > > So please let me finish that gpt-driver timer and I'll send patches to > fix imxrt1020/50-evk. > >>> I really appreciate your help, sorry to bother you, but I'm breaking my >>> mind thinking why this doesn't run on my EVK. >>> >>> Many thanks. > > Best regards > and happy easter! :-) >