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Wed, 16 Oct 2019 10:24:42 +0000 Received: from AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::843c:e722:27cb:74e1]) by AM0PR04MB4481.eurprd04.prod.outlook.com ([fe80::843c:e722:27cb:74e1%5]) with mapi id 15.20.2347.021; Wed, 16 Oct 2019 10:24:42 +0000 From: Peng Fan To: "sbabic@denx.de" , "festevam@gmail.com" Thread-Topic: [PATCH 10/10] imx8mm: evk: enable bd71837 pmic Thread-Index: AQHVhAvshjVuip850kOQ8fRyTUAnMg== Date: Wed, 16 Oct 2019 10:24:42 +0000 Message-ID: <20191016104133.6978-11-peng.fan@nxp.com> References: <20191016104133.6978-1-peng.fan@nxp.com> In-Reply-To: <20191016104133.6978-1-peng.fan@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.16.4 x-clientproxiedby: HK0P153CA0038.APCP153.PROD.OUTLOOK.COM (2603:1096:203:17::26) To AM0PR04MB4481.eurprd04.prod.outlook.com (2603:10a6:208:70::15) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peng.fan@nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [119.31.174.71] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 4d000ff7-af5a-4ee1-705d-08d752230e9d x-ms-office365-filtering-ht: Tenant x-ms-traffictypediagnostic: AM0PR04MB5265:|AM0PR04MB5265: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1002; 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Signed-off-by: Peng Fan --- arch/arm/dts/imx8mm-evk-u-boot.dtsi | 20 ++++++++++++++++++ board/freescale/imx8mm_evk/spl.c | 41 +++++++++++++++++++++++++++++++++++++ configs/imx8mm_evk_defconfig | 5 ++++- 3 files changed, 65 insertions(+), 1 deletion(-) diff --git a/arch/arm/dts/imx8mm-evk-u-boot.dtsi b/arch/arm/dts/imx8mm-evk-u-boot.dtsi index 8d61597e0c..16093f2067 100644 --- a/arch/arm/dts/imx8mm-evk-u-boot.dtsi +++ b/arch/arm/dts/imx8mm-evk-u-boot.dtsi @@ -90,3 +90,23 @@ &usdhc3 { u-boot,dm-spl; }; + +&i2c1 { + u-boot,dm-spl; +}; + +&{/soc@0/bus@30800000/i2c@30a20000/pmic@4b} { + u-boot,dm-spl; +}; + +&{/soc@0/bus@30800000/i2c@30a20000/pmic@4b/regulators} { + u-boot,dm-spl; +}; + +&pinctrl_i2c1 { + u-boot,dm-spl; +}; + +&pinctrl_pmic { + u-boot,dm-spl; +}; diff --git a/board/freescale/imx8mm_evk/spl.c b/board/freescale/imx8mm_evk/spl.c index 2a5fb27a73..2d08f9a563 100644 --- a/board/freescale/imx8mm_evk/spl.c +++ b/board/freescale/imx8mm_evk/spl.c @@ -18,6 +18,9 @@ #include #include +#include +#include + DECLARE_GLOBAL_DATA_PTR; int spl_board_boot_device(enum boot_device boot_dev_spl) @@ -79,6 +82,42 @@ int board_early_init_f(void) return 0; } +int power_init_board(void) +{ + struct udevice *dev; + int ret; + + ret = pmic_get("pmic@4b", &dev); + if (ret == -ENODEV) { + puts("No pmic\n"); + return 0; + } + if (ret != 0) + return ret; + + /* decrease RESET key long push time from the default 10s to 10ms */ + pmic_reg_write(dev, BD718XX_PWRONCONFIG1, 0x0); + + /* unlock the PMIC regs */ + pmic_reg_write(dev, BD718XX_REGLOCK, 0x1); + + /* increase VDD_SOC to typical value 0.85v before first DRAM access */ + pmic_reg_write(dev, BD718XX_BUCK1_VOLT_RUN, 0x0f); + + /* increase VDD_DRAM to 0.975v for 3Ghz DDR */ + pmic_reg_write(dev, BD718XX_1ST_NODVS_BUCK_VOLT, 0x83); + +#ifndef CONFIG_IMX8M_LPDDR4 + /* increase NVCC_DRAM_1V2 to 1.2v for DDR4 */ + pmic_reg_write(dev, BD718XX_4TH_NODVS_BUCK_VOLT, 0x28); +#endif + + /* lock the PMIC regs */ + pmic_reg_write(dev, BD718XX_REGLOCK, 0x11); + + return 0; +} + void board_init_f(ulong dummy) { struct udevice *dev; @@ -113,6 +152,8 @@ void board_init_f(ulong dummy) enable_tzc380(); + power_init_board(); + /* DDR initialization */ spl_dram_init(); diff --git a/configs/imx8mm_evk_defconfig b/configs/imx8mm_evk_defconfig index a934363277..4cbc62fd8f 100644 --- a/configs/imx8mm_evk_defconfig +++ b/configs/imx8mm_evk_defconfig @@ -12,6 +12,7 @@ CONFIG_SPL_MMC_SUPPORT=y CONFIG_SPL_SERIAL_SUPPORT=y CONFIG_SPL_DRIVERS_MISC_SUPPORT=y CONFIG_SPL=y +CONFIG_SPL_TEXT_BASE=0x7E1000 CONFIG_FIT=y CONFIG_FIT_EXTERNAL_OFFSET=0x3000 CONFIG_SPL_LOAD_FIT=y @@ -20,10 +21,10 @@ CONFIG_OF_SYSTEM_SETUP=y CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/imx8m/imximage-8mm-lpddr4.cfg" CONFIG_DEFAULT_FDT_FILE="fsl-imx8mm-evk.dtb" CONFIG_BOARD_LATE_INIT=y -CONFIG_SPL_TEXT_BASE=0x7E1000 CONFIG_SPL_BOARD_INIT=y CONFIG_SPL_SEPARATE_BSS=y CONFIG_SPL_I2C_SUPPORT=y +CONFIG_SPL_POWER_SUPPORT=y CONFIG_HUSH_PARSER=y CONFIG_SYS_PROMPT="u-boot=> " # CONFIG_CMD_EXPORTENV is not set @@ -65,6 +66,8 @@ CONFIG_DM_ETH=y CONFIG_PINCTRL=y CONFIG_SPL_PINCTRL=y CONFIG_PINCTRL_IMX8M=y +CONFIG_DM_PMIC=y +CONFIG_SPL_DM_PMIC_BD71837=y CONFIG_DM_REGULATOR=y CONFIG_DM_REGULATOR_FIXED=y CONFIG_DM_REGULATOR_GPIO=y