From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 03 May 2024 12:37:54 +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 1s2qIc-00H8Bv-19 for lore@lore.pengutronix.de; Fri, 03 May 2024 12:37:54 +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 1s2qIb-0002Fx-L1 for lore@pengutronix.de; Fri, 03 May 2024 12:37:54 +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: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=5203sCooQ7Lmt9LAP+uMWXpIA5o8WgJDr+qwdMs2Rug=; b=e6ApMCrJnS60/BxjVKCwztG/pF q3SsdLYLxK+qrVblWHriozv36X015h/EkpB5Xg2rcP25pQzfWrKk+sn71w2GOIR0etjzPT0kgODQK EdPc1z5ICRTByJgTEg1ZpnDFJcoW9kgsdl+91dJc25OJ3HvJVVyg+Zq00bL1fSvc+fDwD/awUlz+/ yHUGeA+THFau9WVaKUodcxys4Q+VoCHYJ9LfrvTz5LH9i30vS79G+3gBPQP6jc1R2eiZg532kOlti 03ZqTs6Kk4soYmpLdnKTr36wKNMQKHMcjuByuXCVA6JGSxxxKppDNoStN3zeaWXfevTuKqxZlqNkJ YbOTxwtA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s2qI9-0000000G4uW-2BbJ; Fri, 03 May 2024 10:37:25 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s2qI5-0000000G4s3-0G12 for barebox@lists.infradead.org; Fri, 03 May 2024 10:37:22 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1s2qI3-0001wO-Qb; Fri, 03 May 2024 12:37:19 +0200 Received: from [2a0a:edc0:0:1101:1d::54] (helo=dude05.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1s2qI3-00FgXk-Di; Fri, 03 May 2024 12:37:19 +0200 Received: from localhost ([::1] helo=dude05.red.stw.pengutronix.de) by dude05.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1s2qI3-005kc5-15; Fri, 03 May 2024 12:37:19 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: lst@pengutronix.de, Ahmad Fatoum Date: Fri, 3 May 2024 12:37:15 +0200 Message-Id: <20240503103717.1370636-4-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240503103717.1370636-1-a.fatoum@pengutronix.de> References: <20240503103717.1370636-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240503_033721_189989_A3FABCB5 X-CRM114-Status: GOOD ( 11.71 ) 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=-5.8 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v2 3/5] ARM: i.MX8MP: configure PLL3 as noc_io parent 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) noc_io is clocked at 24MHz when exiting bootrom, which is a far cry below the 600MHz it can run at in nominal drive mode. This doesn't bother us much, because we reconfigure it to 800MHz later on via assigned-clock-properties, but that frequency is only suitable when running in overdrive mode (VDD_SOC = 950 mV). Make switching to nominal mode easier by initializing NOC_IO to the highest nominal frequency. Signed-off-by: Ahmad Fatoum --- v1 -> v2: - no change --- arch/arm/mach-imx/imx8m.c | 7 +++++++ include/mach/imx/imx8m-ccm-regs.h | 1 + 2 files changed, 8 insertions(+) diff --git a/arch/arm/mach-imx/imx8m.c b/arch/arm/mach-imx/imx8m.c index 211b4f782199..56330cef500c 100644 --- a/arch/arm/mach-imx/imx8m.c +++ b/arch/arm/mach-imx/imx8m.c @@ -116,6 +116,13 @@ static void __imx8m_early_clock_init(int cpu_type) clk_pll1416x_early_set_rate(ana + IMX8MM_CCM_ANALOG_SYS_PLL3_GEN_CTRL, pll3_freq, 25000000UL); + if (cpu_type == IMX_CPU_IMX8MP) { + /* 8MP ROM already set NOC to 800Mhz, only need to configure NOC_IO clk to 600Mhz */ + imx8m_clock_set_target_val(IMX8M_NOC_IO_CLK_ROOT, + IMX8M_CCM_TARGET_ROOTn_ENABLE | + IMX8M_CCM_TARGET_ROOTn_MUX(2)); + } + clrsetbits_le32(ccm + IMX8M_CCM_TARGET_ROOTn(IMX8M_ARM_A53_CLK_ROOT), IMX8M_CCM_TARGET_ROOTn_MUX(7), IMX8M_CCM_TARGET_ROOTn_MUX(2)); diff --git a/include/mach/imx/imx8m-ccm-regs.h b/include/mach/imx/imx8m-ccm-regs.h index 29186eb8a7bc..035cd13ed694 100644 --- a/include/mach/imx/imx8m-ccm-regs.h +++ b/include/mach/imx/imx8m-ccm-regs.h @@ -22,6 +22,7 @@ * Applications Processor Reference Manual */ #define IMX8M_ARM_A53_CLK_ROOT 0 +#define IMX8M_NOC_IO_CLK_ROOT 27 #define IMX8M_DRAM_SEL_CFG 48 #define IMX8M_DRAM_ALT_CLK_ROOT 64 #define IMX8M_DRAM_APB_CLK_ROOT 65 -- 2.39.2