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Fri, 28 Apr 2023 03:19:29 +0000 From: "Peng Fan (OSS)" To: sbabic@denx.de, festevam@gmail.com, "NXP i.MX U-Boot Team" Cc: u-boot@lists.denx.de, Jacky Bai , Ye Li Subject: [PATCH 37/42] ddr: imx93: Add 625M bypass clock support Date: Fri, 28 Apr 2023 12:08:42 +0800 Message-Id: <20230428040847.10841-38-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230428040847.10841-1-peng.fan@oss.nxp.com> References: <20230428040847.10841-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SI1PR02CA0033.apcprd02.prod.outlook.com (2603:1096:4:1f6::14) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DU0PR04MB9417:EE_|DB9PR04MB8233:EE_ X-MS-Office365-Filtering-Correlation-Id: 80a15ee1-3fc0-416c-56b2-08db47976079 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Signed-off-by: Jacky Bai Reviewed-by: Ye Li Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx9/clock.c | 3 +++ drivers/ddr/imx/phy/ddrphy_utils.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/arch/arm/mach-imx/imx9/clock.c b/arch/arm/mach-imx/imx9/clock.c index 957f80fce2e..a7ecccaf879 100644 --- a/arch/arm/mach-imx/imx9/clock.c +++ b/arch/arm/mach-imx/imx9/clock.c @@ -648,6 +648,9 @@ void dram_pll_init(ulong pll_val) void dram_enable_bypass(ulong clk_val) { switch (clk_val) { + case MHZ(625): + ccm_clk_root_cfg(DRAM_ALT_CLK_ROOT, SYS_PLL_PFD2, 1); + break; case MHZ(400): ccm_clk_root_cfg(DRAM_ALT_CLK_ROOT, SYS_PLL_PFD1, 2); break; diff --git a/drivers/ddr/imx/phy/ddrphy_utils.c b/drivers/ddr/imx/phy/ddrphy_utils.c index 6a8b6be42b2..fd8b4113b7b 100644 --- a/drivers/ddr/imx/phy/ddrphy_utils.c +++ b/drivers/ddr/imx/phy/ddrphy_utils.c @@ -148,6 +148,9 @@ void ddrphy_init_set_dfi_clk(unsigned int drate) dram_pll_init(MHZ(167)); dram_disable_bypass(); break; + case 625: + dram_enable_bypass(MHZ(625)); + break; case 400: dram_enable_bypass(MHZ(400)); break;