Message ID | 20220726084123.2508-42-peng.fan@oss.nxp.com |
---|---|
State | Accepted |
Commit | feaf8e0cf03ef030ed7ebd6db2fa7a1ad3be25d0 |
Delegated to: | Stefano Babic |
Headers | show
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Tue, 26 Jul 2022 08:00:46 +0000 From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com> To: sbabic@denx.de, festevam@gmail.com, "NXP i.MX U-Boot Team" <uboot-imx@nxp.com>, Peng Fan <peng.fan@nxp.com> Cc: u-boot@lists.denx.de Subject: [PATCH V2 41/53] imx: imx93_evk: Set ARM clock to 1.7Ghz Date: Tue, 26 Jul 2022 16:41:11 +0800 Message-Id: <20220726084123.2508-42-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220726084123.2508-1-peng.fan@oss.nxp.com> References: <20220726084123.2508-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SG2PR06CA0221.apcprd06.prod.outlook.com (2603:1096:4:68::29) 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-Office365-Filtering-Correlation-Id: fe215343-5a15-4168-b788-08da6edcf230 X-MS-TrafficTypeDiagnostic: DB8PR04MB7130:EE_ 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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NXP-IMX pending patches
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expand
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> From: Peng Fan <peng.fan@nxp.com> > Set ARM clock to OD frequency 1.7Ghz, since we have set PMIC VDD_SOC > to Overdrive voltage 0.9V > Signed-off-by: Ye Li <ye.li@nxp.com> > Signed-off-by: Peng Fan <peng.fan@nxp.com> Applied to u-boot-imx, master, thanks ! Best regards, Stefano Babic
diff --git a/arch/arm/include/asm/arch-imx9/clock.h b/arch/arm/include/asm/arch-imx9/clock.h index d96f126a1d1..336d8613181 100644 --- a/arch/arm/include/asm/arch-imx9/clock.h +++ b/arch/arm/include/asm/arch-imx9/clock.h @@ -217,6 +217,8 @@ void dram_pll_init(ulong pll_val); void dram_enable_bypass(ulong clk_val); void dram_disable_bypass(void); +int configure_intpll(enum ccm_clk_src pll, u32 freq); + int ccm_clk_src_on(enum ccm_clk_src oscpll, bool enable); int ccm_clk_src_auto(enum ccm_clk_src oscpll, bool enable); int ccm_clk_src_lpm(enum ccm_clk_src oscpll, bool enable); @@ -238,5 +240,5 @@ int ccm_shared_gpr_tz_access(u32 gpr, bool non_secure, bool user_mode, bool lock void enable_usboh3_clk(unsigned char enable); int set_clk_enet(enum enet_freq type); int set_clk_eqos(enum enet_freq type); - +void set_arm_clk(ulong freq); #endif diff --git a/arch/arm/mach-imx/imx9/clock.c b/arch/arm/mach-imx/imx9/clock.c index 5d2bc0d2f8f..8240afc6172 100644 --- a/arch/arm/mach-imx/imx9/clock.c +++ b/arch/arm/mach-imx/imx9/clock.c @@ -665,6 +665,15 @@ void dram_disable_bypass(void) /* Switch from DRAM clock root from CCM to PLL */ ccm_shared_gpr_set(SHARED_GPR_DRAM_CLK, SHARED_GPR_DRAM_CLK_SEL_PLL); } + +void set_arm_clk(ulong freq) +{ + /* Increase ARM clock to 1.7Ghz */ + ccm_shared_gpr_set(SHARED_GPR_A55_CLK, SHARED_GPR_A55_CLK_SEL_CCM); + configure_intpll(ARM_PLL_CLK, 1700000000); + ccm_shared_gpr_set(SHARED_GPR_A55_CLK, SHARED_GPR_A55_CLK_SEL_PLL); +} + #endif int clock_init(void) diff --git a/board/freescale/imx93_evk/spl.c b/board/freescale/imx93_evk/spl.c index ca33f943424..38cfbac6ea6 100644 --- a/board/freescale/imx93_evk/spl.c +++ b/board/freescale/imx93_evk/spl.c @@ -108,6 +108,9 @@ void board_init_f(ulong dummy) } power_init_board(); + /* 1.7GHz */ + set_arm_clk(1700000000); + /* Init power of mix */ soc_power_init();