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X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1P18901MB0607 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251021_050525_131940_F45238EB X-CRM114-Status: GOOD ( 16.04 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-2.6 required=4.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FORGED_HOTMAIL_RCVD2, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH v2 2/2] ARM: boards: i.MX93: Add NXP FRDM i.MX93 support X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On 10/21/25 13:43, Ahmad Fatoum wrote: > Hello Fabian, > > On 10/21/25 1:37 PM, Fabian Pflug wrote: >> Hello Ahmad, >> >> On Tue, 2025-10-21 at 13:11 +0200, Ahmad Fatoum wrote: >>> Hello Fabian, >>> >>>> +static noinline void frdm_imx93_continue(void) >>>> +{ >>>> + void __iomem *base = IOMEM(MX9_UART1_BASE_ADDR); >>>> + void __iomem *muxbase = IOMEM(MX9_IOMUXC_BASE_ADDR); >>>> + >>>> + /* configure LPUART1 TX pin */ >>>> + writel(0x0, muxbase + 0x184); >>>> + >>>> + imx9_uart_setup(base); >>>> + pbl_set_putc(lpuart32_putc, base + 0x10); >>>> + putchar('>'); >>> >>> Do you see the > character on bootup if CONFIG_PBL_CONSOLE is enabled? >>> Maud (Cc'd) mentioned on the IRC that the 0x10 offset shouldn't be >>> necessary. >>> >> >> I did see the > character with (working with a 2025.07.0 barebox here): > > Ok, good to know. > > >> But there seems to be another Problem. If I enable >> >> CONFIG_DEBUG_LL=y >> CONFIG_DEBUG_IMX_UART=y >> CONFIG_DEBUG_IMX8M_UART=y >> CONFIG_DEBUG_IMX_UART_PORT=1 >> CONFIG_DEBUG_PBL=y > > Given that you are using the i.MX9's LPUART, I think it's expected that > DEBUG_LL misbehaves. PBL output works, because the PBL console has > precedence over DEBUG_LL. > > Cheers, > Ahmad > I think I may have confused something. Could've sworn I saw the base + 0x10 in the _uart_setup() call, but now that I am looking at it again I don't see it. I may have been a bit too tired yesterday and made a premature conclusion, based on incorrectly reading the code. Kind regards, Maud