From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 21 Oct 2025 13:12:17 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vBAHp-00AEI5-0e for lore@lore.pengutronix.de; Tue, 21 Oct 2025 13:12:17 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vBAHo-0002BR-Hi for lore@pengutronix.de; Tue, 21 Oct 2025 13:12:17 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:Cc:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ok2GseoJznyJp6+euGXecl7aFbVFAIRXVdeA8cE+QXM=; b=jfBrfV8pcwJyzwOARFU3eIUx3R ingDhHMLQP4uDStJ6OofP6c2swoFjoK9tyOjejkFFCDYT8cAgk+cZv+APcVP/yYG835o7xYAtEgVJ 2+Td0f/LDHl7g1LXpqrxWg72nxNtpZRvCGgOPohc6+e4DWNtBzMdY+niCi5lJ80yDoADIm1KeXZZt QRcoe8lA0q0t6gzFUc8V32W7cigi/0hn2VvhQ6kbQfuGunQ9pv1OCQPVSLFdjfzAPTLvByO/xCMQx 3o/TVKCWlIMrKvBZGeoMbNtPNIsjDPjIu4N6nHogimu8XTeoF++T2uWx+X8rEv81tgIkRjkOyHjhq fLo+IT0g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vBAHP-0000000GjBn-0QbG; Tue, 21 Oct 2025 11:11:51 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vBAHM-0000000GjBN-3VS5 for barebox@lists.infradead.org; Tue, 21 Oct 2025 11:11:50 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1vBAHL-00027C-7U; Tue, 21 Oct 2025 13:11:47 +0200 Message-ID: <22735bfd-c673-45ec-8b98-4bb4ae6cfad0@pengutronix.de> Date: Tue, 21 Oct 2025 13:11:46 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Fabian Pflug , barebox@lists.infradead.org References: <20250527114241.325357-1-f.pflug@pengutronix.de> <20251021110149.1151936-1-f.pflug@pengutronix.de> <20251021110149.1151936-5-f.pflug@pengutronix.de> From: Ahmad Fatoum Content-Language: en-US, de-DE, de-BE Cc: maud_spierings@hotmail.com In-Reply-To: <20251021110149.1151936-5-f.pflug@pengutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251021_041148_880829_297DFE4D X-CRM114-Status: GOOD ( 23.34 ) 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=-4.1 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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) Hello Fabian, On 10/21/25 12:59 PM, Fabian Pflug wrote: > This board is a low cost i.MX93 eval board from NXP. > > There is no upstream DT yet, therefore a minimal DT is added in this > patch. The kernel DT is submitted in [0]. > > The DDR timings are copied from the NXP yocto layer [1] for u-boot with > some small modifications to remove unused timings and DDR sizes. > > [0] https://lore.kernel.org/r/20250526-fpg-nxp-imx93-frdm-v2-0-e5ad0efaec33@pengutronix.de > [1] https://github.com/nxp-imx-support/meta-imx-frdm/blob/lf-6.6.36-2.1.0/meta-imx-bsp/recipes-bsp/u-boot/u-boot-imx/0002-imx-imx93_frdm-Add-basic-board-support.patch > > Signed-off-by: Fabian Pflug > --- > arch/arm/boards/Makefile | 1 + > arch/arm/boards/nxp-imx93-frdm/Makefile | 2 + > arch/arm/boards/nxp-imx93-frdm/board.c | 12 + > arch/arm/boards/nxp-imx93-frdm/lowlevel.c | 46 + > .../nxp-imx93-frdm/lpddr4x_2gb_timing.c | 1907 +++++++++++++++++ > arch/arm/dts/Makefile | 1 + > arch/arm/dts/imx93-frdm.dts | 534 +++++ > arch/arm/mach-imx/Kconfig | 9 + > images/Makefile.imx | 4 + > 9 files changed, 2516 insertions(+) > create mode 100644 arch/arm/boards/nxp-imx93-frdm/Makefile > create mode 100644 arch/arm/boards/nxp-imx93-frdm/board.c > create mode 100644 arch/arm/boards/nxp-imx93-frdm/lowlevel.c > create mode 100644 arch/arm/boards/nxp-imx93-frdm/lpddr4x_2gb_timing.c > create mode 100644 arch/arm/dts/imx93-frdm.dts > > diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile > index ac1fa74d4c..8bbf4d5ea5 100644 > --- a/arch/arm/boards/Makefile > +++ b/arch/arm/boards/Makefile > @@ -72,6 +72,7 @@ obj-$(CONFIG_MACH_NXP_IMX8MQ_EVK) += nxp-imx8mq-evk/ > obj-$(CONFIG_MACH_NXP_IMX8MM_EVK) += nxp-imx8mm-evk/ > obj-$(CONFIG_MACH_NXP_IMX8MN_EVK) += nxp-imx8mn-evk/ > obj-$(CONFIG_MACH_NXP_IMX8MP_EVK) += nxp-imx8mp-evk/ > +obj-$(CONFIG_MACH_NXP_IMX93_FRDM) += nxp-imx93-frdm/ > obj-$(CONFIG_MACH_CONGATEC_QMX8P_SOM) += congatec-qmx8p/ > obj-$(CONFIG_MACH_TQ_MBA8MPXL) += tqma8mpxl/ > obj-$(CONFIG_MACH_PCA100) += phytec-phycard-imx27/ > diff --git a/arch/arm/boards/nxp-imx93-frdm/Makefile b/arch/arm/boards/nxp-imx93-frdm/Makefile > new file mode 100644 > index 0000000000..ac419ef7c2 > --- /dev/null > +++ b/arch/arm/boards/nxp-imx93-frdm/Makefile > @@ -0,0 +1,2 @@ > +lwl-y += lowlevel.o lpddr4x_2gb_timing.o > +obj-y += board.o > diff --git a/arch/arm/boards/nxp-imx93-frdm/board.c b/arch/arm/boards/nxp-imx93-frdm/board.c > new file mode 100644 > index 0000000000..1e1c54ce81 > --- /dev/null > +++ b/arch/arm/boards/nxp-imx93-frdm/board.c > @@ -0,0 +1,12 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +#include > + > +static const struct of_device_id frdm_imx93_of_match[] = { > + { > + .compatible = "fsl,imx93-11x11-frdm", > + }, > + { /* sentinel */ }, > +}; > + > +BAREBOX_DEEP_PROBE_ENABLE(frdm_imx93_of_match); > diff --git a/arch/arm/boards/nxp-imx93-frdm/lowlevel.c b/arch/arm/boards/nxp-imx93-frdm/lowlevel.c > new file mode 100644 > index 0000000000..bc48160431 > --- /dev/null > +++ b/arch/arm/boards/nxp-imx93-frdm/lowlevel.c > @@ -0,0 +1,46 @@ > +// SPDX-License-Identifier: GPL-2.0 > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +extern char __dtb_z_imx93_frdm_start[]; > +extern struct dram_timing_info frdm_imx93_dram_timing; > + > +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. Cheers, Ahmad -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |