From: Parthiban Nallathambi Date: Wed, 17 Apr 2019 22:04:09 +0000 (+0200) Subject: imx: Add variscite DART-6UL Evaluation Kit X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=d8d33b6d4dd2ecd2ea2a3d3ece9e22528d8fd15c;p=u-boot.git imx: Add variscite DART-6UL Evaluation Kit Port for the DART-6UL Evaluation Kit SBC. Based on the variscite DART-6UL iMX6ULL SoM. CPU: Freescale i.MX6ULL rev1.1 900 MHz (running at 396 MHz) CPU: Commercial temperature grade (0C to 95C) at 43C Reset cause: POR Model: Variscite DART-6UL Evaluation Kit Board: Variscite DART-6UL Evaluation Kit DRAM: 512 MiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 In: serial@02020000 Out: serial@02020000 Err: serial@02020000 Net: FEC0 Working: - Eth0 - i2c - MMC/SD - eMMC - USB host - UART 1 Note: LCDIF porting needs DM_VIDEO https://lists.denx.de/pipermail/u-boot/2019-April/365506.html Signed-off-by: Parthiban Nallathambi --- diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index f58f8fb235..0fa1f46129 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1637,6 +1637,7 @@ source "board/tcl/sl50/Kconfig" source "board/ucRobotics/bubblegum_96/Kconfig" source "board/birdland/bav335x/Kconfig" source "board/toradex/colibri_pxa270/Kconfig" +source "board/variscite/dart_6ul/Kconfig" source "board/vscom/baltos/Kconfig" source "board/woodburn/Kconfig" source "board/xilinx/Kconfig" diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index e1bf714980..08ae3aa46d 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -549,6 +549,7 @@ dtb-$(CONFIG_MX6UL) += \ dtb-$(CONFIG_MX6ULL) += \ imx6ull-14x14-evk.dtb \ imx6ull-colibri.dtb \ + imx6ull-dart-6ul.dtb dtb-$(CONFIG_ARCH_MX6) += \ imx6-colibri.dtb diff --git a/arch/arm/dts/imx6ull-dart-6ul.dts b/arch/arm/dts/imx6ull-dart-6ul.dts new file mode 100644 index 0000000000..4cab1a048b --- /dev/null +++ b/arch/arm/dts/imx6ull-dart-6ul.dts @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Parthiban Nallathambi + */ + +/dts-v1/; + +#include "imx6ull.dtsi" +#include "imx6ull-dart-6ul.dtsi" + +/ { + model = "Variscite DART-6UL Evaluation Kit"; + compatible = "variscite,imx6ull-dart-6ul", "fsl,imx6ull"; +}; + +&usdhc2 { + status = "okay"; +}; + +&usbotg1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb_otg1_id>; + dr_mode = "otg"; + srp-disable; + hnp-disable; + adp-disable; + status = "okay"; +}; + +&iomuxc { + pinctrl-names = "default"; + + pinctrl_usb_otg1_id: usbotg1idgrp { + fsl,pins = < + MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID 0x17059 + >; + }; + +}; diff --git a/arch/arm/dts/imx6ull-dart-6ul.dtsi b/arch/arm/dts/imx6ull-dart-6ul.dtsi new file mode 100644 index 0000000000..e96669f493 --- /dev/null +++ b/arch/arm/dts/imx6ull-dart-6ul.dtsi @@ -0,0 +1,261 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Parthiban Nallathambi + */ + +/ { + model = "Variscite DART-6UL i.MX6 Ultra Low Lite SOM"; + compatible = "variscite,imx6ull-dart-6ul", "fsl,imx6ull"; + + memory { + reg = <0x80000000 0x20000000>; + }; + + chosen { + stdout-path = &uart1; + }; +}; + +&fec1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enet1>; + phy-mode = "rmii"; + phy-handle = <ðphy0>; + status = "okay"; + + mdio1: mdio1 { + #address-cells = <1>; + #size-cells = <0>; + + ethphy0: ethernet-phy@1 { + reg = <1>; + micrel,led-mode = <1>; + }; + }; +}; + +&fec2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enet2>; + phy-mode = "rmii"; + phy-handle = <ðphy1>; + status = "okay"; + + mdio2: mdio2 { + #address-cells = <1>; + #size-cells = <0>; + + ethphy1: ethernet-phy@2 { + reg = <2>; + micrel,led-mode = <1>; + }; + }; +}; + +&gpmi { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpmi_nand>; + nand-on-flash-bbt; + fsl,no-blockmark-swap; + status = "disabled"; + + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "uboot"; + reg = <0x0 0x400000>; + }; + + partition@400000 { + label = "uboot-env"; + reg = <0x400000 0x100000>; + }; + + partition@500000 { + label = "root"; + reg = <0x500000 0x0>; + }; +}; + +&i2c1 { + clock-frequency = <100000>; + pinctrl-names = "default", "gpio"; + pinctrl-0 = <&pinctrl_i2c1>; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + scl-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + sda-gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>; + status = "okay"; +}; + +&i2c2 { + clock-frequency = <100000>; + pinctrl-names = "default", "gpio"; + pinctrl-0 = <&pinctrl_i2c2>; + pinctrl-1 = <&pinctrl_i2c2_gpio>; + scl-gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>; + sda-gpios = <&gpio1 31 GPIO_ACTIVE_HIGH>; + status = "okay"; + + eeprom@50 { + compatible = "cat,24c32"; + reg = <0x50>; + }; +}; + +&pwm1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm1>; + #pwm-cells = <3>; + status = "okay"; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + status = "okay"; +}; + +&usdhc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc1>; + cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>; + bus-width = <0x4>; + no-1-8-v; + status = "okay"; +}; + +&usdhc2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc2>; + bus-width = <8>; + no-1-8-v; + non-removable; + keep-power-in-suspend; + status = "disabled"; +}; + +&iomuxc { + pinctrl-names = "default"; + + pinctrl_enet1: enet1grp { + fsl,pins = < + MX6UL_PAD_GPIO1_IO06__ENET1_MDIO 0x1b0b0 + MX6UL_PAD_GPIO1_IO07__ENET1_MDC 0X1b0b0 + MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0 + MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER 0x1b0b0 + MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0 + MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0 + MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0 + MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0 + MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0 + MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b031 + >; + }; + + pinctrl_enet2: enet2grp { + fsl,pins = < + MX6UL_PAD_GPIO1_IO06__ENET2_MDIO 0x1b0b0 + MX6UL_PAD_GPIO1_IO07__ENET2_MDC 0X1b0b0 + MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN 0x1b0b0 + MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER 0x1b0b0 + MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00 0x1b0b0 + MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01 0x1b0b0 + MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN 0x1b0b0 + MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00 0x1b0b0 + MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01 0x1b0b0 + MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b031 + >; + }; + + pinctrl_gpmi_nand: gpminandgrp { + fsl,pins = < + MX6UL_PAD_NAND_DQS__RAWNAND_DQS 0x0b0b1 + MX6UL_PAD_NAND_CLE__RAWNAND_CLE 0x0b0b1 + MX6UL_PAD_NAND_ALE__RAWNAND_ALE 0x0b0b1 + MX6UL_PAD_NAND_WP_B__RAWNAND_WP_B 0x0b0b1 + MX6UL_PAD_NAND_READY_B__RAWNAND_READY_B 0x0b000 + MX6UL_PAD_NAND_CE0_B__RAWNAND_CE0_B 0x0b0b1 + MX6UL_PAD_NAND_CE1_B__RAWNAND_CE1_B 0x0b0b1 + MX6UL_PAD_NAND_RE_B__RAWNAND_RE_B 0x0b0b1 + MX6UL_PAD_NAND_WE_B__RAWNAND_WE_B 0x0b0b1 + MX6UL_PAD_NAND_DATA00__RAWNAND_DATA00 0x0b0b1 + MX6UL_PAD_NAND_DATA01__RAWNAND_DATA01 0x0b0b1 + MX6UL_PAD_NAND_DATA02__RAWNAND_DATA02 0x0b0b1 + MX6UL_PAD_NAND_DATA03__RAWNAND_DATA03 0x0b0b1 + MX6UL_PAD_NAND_DATA04__RAWNAND_DATA04 0x0b0b1 + MX6UL_PAD_NAND_DATA05__RAWNAND_DATA05 0x0b0b1 + MX6UL_PAD_NAND_DATA06__RAWNAND_DATA06 0x0b0b1 + MX6UL_PAD_NAND_DATA07__RAWNAND_DATA07 0x0b0b1 + >; + }; + + pinctrl_i2c1: i2cgrp { + fsl,pins = < + MX6UL_PAD_UART4_TX_DATA__I2C1_SCL 0x4001b8b0 + MX6UL_PAD_UART4_RX_DATA__I2C1_SDA 0x4001b8b0 + >; + }; + + pinctrl_i2c1_gpio: i2c1grp_gpio { + fsl,pins = < + MX6UL_PAD_UART4_TX_DATA__GPIO1_IO28 0x1b8b0 + MX6UL_PAD_UART4_RX_DATA__GPIO1_IO29 0x1b8b0 + >; + }; + + pinctrl_i2c2: i2cgrp { + fsl,pins = < + MX6UL_PAD_UART5_TX_DATA__I2C2_SCL 0x4001b8b0 + MX6UL_PAD_UART5_RX_DATA__I2C2_SDA 0x4001b8b0 + >; + }; + + pinctrl_i2c2_gpio: i2c2grp_gpio { + fsl,pins = < + MX6UL_PAD_UART5_TX_DATA__GPIO1_IO30 0x1b8b0 + MX6UL_PAD_UART5_RX_DATA__GPIO1_IO31 0x1b8b0 + >; + }; + + pinctrl_pwm1: pwm1grp { + fsl,pins = < + MX6UL_PAD_LCD_DATA00__GPIO3_IO05 0x1b0b1 + >; + }; + + pinctrl_uart1: uart1grp { + fsl,pins = < + MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1 + MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1 + >; + }; + + pinctrl_usdhc1: usdhc1grp { + fsl,pins = < + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059 + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10059 + MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059 + MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059 + MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059 + MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059 + MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x17059 + + >; + }; + + pinctrl_usdhc2: usdhc2grp { + fsl,pins = < + MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x170f9 + MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x100f9 + MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170f9 + MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170f9 + MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170f9 + MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170f9 + MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170f9 + MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170f9 + MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170f9 + MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170f9 + >; + }; +}; diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig index e782859b1e..f513c4c06f 100644 --- a/arch/arm/mach-imx/mx6/Kconfig +++ b/arch/arm/mach-imx/mx6/Kconfig @@ -161,6 +161,18 @@ config TARGET_COLIBRI_IMX6ULL select DM_THERMAL select MX6ULL +config TARGET_DART_6UL + bool "Variscite imx6ULL dart(DART-SOM-6ULL)" + select MX6ULL + select DM + select DM_ETH + select DM_GPIO + select DM_I2C + select DM_MMC + select DM_SERIAL + select DM_THERMAL + select SUPPORT_SPL + config TARGET_DHCOMIMX6 bool "dh_imx6" select BOARD_EARLY_INIT_F diff --git a/board/variscite/dart_6ul/Kconfig b/board/variscite/dart_6ul/Kconfig new file mode 100644 index 0000000000..1765af1d82 --- /dev/null +++ b/board/variscite/dart_6ul/Kconfig @@ -0,0 +1,12 @@ +if TARGET_DART_6UL + +config SYS_BOARD + default "dart_6ul" + +config SYS_VENDOR + default "variscite" + +config SYS_CONFIG_NAME + default "dart_6ul" + +endif diff --git a/board/variscite/dart_6ul/MAINTAINERS b/board/variscite/dart_6ul/MAINTAINERS new file mode 100644 index 0000000000..339f93fa66 --- /dev/null +++ b/board/variscite/dart_6ul/MAINTAINERS @@ -0,0 +1,8 @@ +MX6UL_DART BOARD +M: Parthiban Nallathambi +S: Maintained +F: arch/arm/dts/imx6ull-dart-6ul.dts +F: arch/arm/dts/imx6ull-dart-6ul.dtsi +F: board/variscite/dart_6ul/ +F: configs/variscite_dart6ul_defconfig +F: include/configs/dart_6ul.h diff --git a/board/variscite/dart_6ul/Makefile b/board/variscite/dart_6ul/Makefile new file mode 100644 index 0000000000..48aa361bf2 --- /dev/null +++ b/board/variscite/dart_6ul/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y := dart_6ul.o +obj-$(CONFIG_SPL_BUILD) += spl.o diff --git a/board/variscite/dart_6ul/README b/board/variscite/dart_6ul/README new file mode 100644 index 0000000000..d76b997e22 --- /dev/null +++ b/board/variscite/dart_6ul/README @@ -0,0 +1,41 @@ +How to use U-Boot on variscite DART-6UL Evaluation Kit +------------------------------------------------------ + +- Configure and build U-Boot for DART-6UL iMX6ULL: + + $ make mrproper + $ make variscite_dart6ul_defconfig + $ make + + This will generate SPL and u-boot-dtb.img images. + +Boot from MMC/SD: +- The SPL and u-boot-dtb.img images need to be flashed into the micro SD card: + + $ sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync + $ sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 bs=1k seek=69; sync + +- Boot mode settings: + + Boot switch position: SW1 -> 0 + SW2 -> 0 + +Boot from eMMC: +- if bootpart is not enabled by default, to enable under Linux + echo 0 >/sys/block/mmcblk1boot0/force_ro + mmc bootpart enable 1 1 /dev/mmcblk1boot0 + +- Flash the SPL and u-boot-dtb.img to mmcblk1boot0 + $ sudo dd if=SPL of=/dev/mmcblk1boot0 bs=1k seek=1; sync + $ sudo dd if=u-boot-dtb.img of=/dev/mmcblk1boot0 bs=1k seek=69; sync + +- Boot mode settings: + + Boot switch position: SW1 -> 0 + SW2 -> 1 + +- Connect the Serial cable to UART0 and the PC for the console. + +- Insert the micro SD card in the board and power it up. + +- U-Boot messages should come up. diff --git a/board/variscite/dart_6ul/dart_6ul.c b/board/variscite/dart_6ul/dart_6ul.c new file mode 100644 index 0000000000..4765595af1 --- /dev/null +++ b/board/variscite/dart_6ul/dart_6ul.c @@ -0,0 +1,228 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2019 Variscite Ltd. + * Copyright (C) 2019 Parthiban Nallathambi + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +#ifdef CONFIG_NAND_MXS +#define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP) +#define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \ + PAD_CTL_SRE_FAST) +#define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1) +static iomux_v3_cfg_t const nand_pads[] = { + MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DQS__RAWNAND_DQS | MUX_PAD_CTRL(GPMI_PAD_CTRL2), +}; + +static void setup_gpmi_nand(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + /* config gpmi nand iomux */ + imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads)); + + clrbits_le32(&mxc_ccm->CCGR4, + MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK | + MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_MASK); + + /* + * config gpmi and bch clock to 100 MHz + * bch/gpmi select PLL2 PFD2 400M + * 100M = 400M / 4 + */ + clrbits_le32(&mxc_ccm->cscmr1, + MXC_CCM_CSCMR1_BCH_CLK_SEL | + MXC_CCM_CSCMR1_GPMI_CLK_SEL); + clrsetbits_le32(&mxc_ccm->cscdr1, + MXC_CCM_CSCDR1_BCH_PODF_MASK | + MXC_CCM_CSCDR1_GPMI_PODF_MASK, + (3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) | + (3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET)); + + /* enable gpmi and bch clock gating */ + setbits_le32(&mxc_ccm->CCGR4, + MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK | + MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_MASK); + + /* enable apbh clock gating */ + setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); +} +#endif + +#ifdef CONFIG_FEC_MXC +#define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | \ + PAD_CTL_SRE_FAST) +#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | \ + PAD_CTL_ODE) +/* + * pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only + * be used for ENET1 or ENET2, cannot be used for both. + */ +static iomux_v3_cfg_t const fec1_pads[] = { + MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), + MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), + MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static iomux_v3_cfg_t const fec2_pads[] = { + MX6_PAD_GPIO1_IO06__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), + MX6_PAD_GPIO1_IO07__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), + MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static void setup_iomux_fec(int fec_id) +{ + if (fec_id == 0) + imx_iomux_v3_setup_multiple_pads(fec1_pads, + ARRAY_SIZE(fec1_pads)); + else + imx_iomux_v3_setup_multiple_pads(fec2_pads, + ARRAY_SIZE(fec2_pads)); +} + +int board_eth_init(bd_t *bis) +{ + int ret = 0; + + ret = fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV, + CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); + +#if defined(CONFIG_CI_UDC) && defined(CONFIG_USB_ETHER) + /* USB Ethernet Gadget */ + usb_eth_initialize(bis); +#endif + return ret; +} + +static int setup_fec(int fec_id) +{ + struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + int ret; + + if (fec_id == 0) { + /* + * Use 50M anatop loopback REF_CLK1 for ENET1, + * clear gpr1[13], set gpr1[17]. + */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, + IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK); + } else { + /* + * Use 50M anatop loopback REF_CLK2 for ENET2, + * clear gpr1[14], set gpr1[18]. + */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, + IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK); + } + + ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ); + if (ret) + return ret; + + enable_enet_clk(1); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + /* + * Defaults + Enable status LEDs (LED1: Activity, LED0: Link) & select + * 50 MHz RMII clock mode. + */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} +#endif /* CONFIG_FEC_MXC */ + +int board_early_init_f(void) +{ + setup_iomux_fec(CONFIG_FEC_ENET_DEV); + + return 0; +} + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +#ifdef CONFIG_FEC_MXC + setup_fec(CONFIG_FEC_ENET_DEV); +#endif + +#ifdef CONFIG_NAND_MXS + setup_gpmi_nand(); +#endif + return 0; +} + +int checkboard(void) +{ + puts("Board: Variscite DART-6UL Evaluation Kit\n"); + + return 0; +} diff --git a/board/variscite/dart_6ul/spl.c b/board/variscite/dart_6ul/spl.c new file mode 100644 index 0000000000..f7e6ab6325 --- /dev/null +++ b/board/variscite/dart_6ul/spl.c @@ -0,0 +1,215 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2019 Variscite Ltd. + * Copyright (C) 2019 Parthiban Nallathambi + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +static iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = { + .grp_addds = 0x00000030, + .grp_ddrmode_ctl = 0x00020000, + .grp_b0ds = 0x00000030, + .grp_ctlds = 0x00000030, + .grp_b1ds = 0x00000030, + .grp_ddrpke = 0x00000000, + .grp_ddrmode = 0x00020000, + .grp_ddr_type = 0x000c0000, +}; + +static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = { + .dram_dqm0 = 0x00000030, + .dram_dqm1 = 0x00000030, + .dram_ras = 0x00000030, + .dram_cas = 0x00000030, + .dram_odt0 = 0x00000030, + .dram_odt1 = 0x00000030, + .dram_sdba2 = 0x00000000, + .dram_sdclk_0 = 0x00000008, + .dram_sdqs0 = 0x00000038, + .dram_sdqs1 = 0x00000030, + .dram_reset = 0x00000030, +}; + +static struct mx6_mmdc_calibration mx6_mmcd_calib = { + .p0_mpwldectrl0 = 0x00000000, + .p0_mpdgctrl0 = 0x414C0158, + .p0_mprddlctl = 0x40403A3A, + .p0_mpwrdlctl = 0x40405A56, +}; + +struct mx6_ddr_sysinfo ddr_sysinfo = { + .dsize = 0, + .cs_density = 20, + .ncs = 1, + .cs1_mirror = 0, + .rtt_wr = 2, + .rtt_nom = 1, /* RTT_Nom = RZQ/2 */ + .walat = 1, /* Write additional latency */ + .ralat = 5, /* Read additional latency */ + .mif3_mode = 3, /* Command prediction working mode */ + .bi_on = 1, /* Bank interleaving enabled */ + .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ + .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ +}; + +static struct mx6_ddr3_cfg mem_ddr = { + .mem_speed = 800, + .density = 4, + .width = 16, + .banks = 8, + .rowaddr = 15, + .coladdr = 10, + .pagesz = 2, + .trcd = 1375, + .trcmin = 4875, + .trasmin = 3500, +}; + +static void ccgr_init(void) +{ + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + writel(0xFFFFFFFF, &ccm->CCGR0); + writel(0xFFFFFFFF, &ccm->CCGR1); + writel(0xFFFFFFFF, &ccm->CCGR2); + writel(0xFFFFFFFF, &ccm->CCGR3); + writel(0xFFFFFFFF, &ccm->CCGR4); + writel(0xFFFFFFFF, &ccm->CCGR5); + writel(0xFFFFFFFF, &ccm->CCGR6); + writel(0xFFFFFFFF, &ccm->CCGR7); + /* Enable Audio Clock for SOM codec */ + writel(0x01130100, (long *)CCM_CCOSR); +} + +static void spl_dram_init(void) +{ + mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); + mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr); +} + +#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) +static iomux_v3_cfg_t const usdhc1_pads[] = { + MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +#ifndef CONFIG_NAND_MXS +static iomux_v3_cfg_t const usdhc2_pads[] = { + MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; +#endif + +static struct fsl_esdhc_cfg usdhc_cfg[] = { + { + .esdhc_base = USDHC1_BASE_ADDR, + .max_bus_width = 4, + }, +#ifndef CONFIG_NAND_MXS + { + .esdhc_base = USDHC2_BASE_ADDR, + .max_bus_width = 8, + }, +#endif +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + return 1; +} + +int board_mmc_init(bd_t *bis) +{ + int i, ret; + + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { + switch (i) { + case 0: + SETUP_IOMUX_PADS(usdhc1_pads); + usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + break; +#ifndef CONFIG_NAND_MXS + case 1: + SETUP_IOMUX_PADS(usdhc2_pads); + usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + break; +#endif + default: + printf("Warning - USDHC%d controller not supporting\n", + i + 1); + return 0; + } + + ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); + if (ret) { + printf("Warning: failed to initialize mmc dev %d\n", i); + return ret; + } + } + + return 0; +} + +void board_init_f(ulong dummy) +{ + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + ccgr_init(); + + /* setup GP timer */ + timer_init(); + + setup_iomux_uart(); + + /* iomux and setup of i2c */ + board_early_init_f(); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + /* DDR initialization */ + spl_dram_init(); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + /* load/boot image from boot device */ + board_init_r(NULL, 0); +} diff --git a/configs/variscite_dart6ul_defconfig b/configs/variscite_dart6ul_defconfig new file mode 100644 index 0000000000..a1cdd05619 --- /dev/null +++ b/configs/variscite_dart6ul_defconfig @@ -0,0 +1,55 @@ +CONFIG_ARM=y +CONFIG_ARCH_MX6=y +CONFIG_SYS_TEXT_BASE=0x86000000 +CONFIG_SPL_LIBCOMMON_SUPPORT=y +CONFIG_SPL_LIBGENERIC_SUPPORT=y +CONFIG_TARGET_DART_6UL=y +CONFIG_SPL_MMC_SUPPORT=y +CONFIG_SPL_SERIAL_SUPPORT=y +CONFIG_SPL=y +# CONFIG_CMD_DEKBLOB is not set +CONFIG_DISTRO_DEFAULTS=y +CONFIG_NR_DRAM_BANKS=8 +CONFIG_FIT=y +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg" +CONFIG_BOOTDELAY=3 +# CONFIG_USE_BOOTCOMMAND is not set +CONFIG_BOARD_EARLY_INIT_F=y +CONFIG_SPL_USB_HOST_SUPPORT=y +CONFIG_SPL_WATCHDOG_SUPPORT=y +CONFIG_CMD_DM=y +CONFIG_CMD_GPIO=y +CONFIG_CMD_GPT=y +# CONFIG_RANDOM_UUID is not set +CONFIG_CMD_I2C=y +CONFIG_CMD_MMC=y +CONFIG_CMD_USB=y +CONFIG_CMD_USB_SDP=y +CONFIG_CMD_CACHE=y +CONFIG_CMD_NET=y +# CONFIG_ISO_PARTITION is not set +CONFIG_OF_CONTROL=y +CONFIG_DEFAULT_DEVICE_TREE="imx6ull-dart-6ul" +CONFIG_DM_I2C_GPIO=y +CONFIG_SYS_I2C_MXC=y +CONFIG_FSL_ESDHC=y +CONFIG_PHYLIB=y +CONFIG_PHY_MICREL=y +CONFIG_FEC_MXC=y +CONFIG_MII=y +CONFIG_PINCTRL=y +CONFIG_PINCTRL_IMX6=y +CONFIG_DM_PMIC=y +# CONFIG_SPL_PMIC_CHILDREN is not set +CONFIG_DM_REGULATOR=y +CONFIG_DM_REGULATOR_FIXED=y +CONFIG_MXC_UART=y +CONFIG_USB=y +CONFIG_DM_USB=y +CONFIG_USB_GADGET=y +CONFIG_USB_GADGET_MANUFACTURER="Variscite" +CONFIG_USB_GADGET_VENDOR_NUM=0x0525 +CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5 +CONFIG_CI_UDC=y +CONFIG_USB_GADGET_DOWNLOAD=y +CONFIG_LZO=y diff --git a/include/configs/dart_6ul.h b/include/configs/dart_6ul.h new file mode 100644 index 0000000000..fb1b899d71 --- /dev/null +++ b/include/configs/dart_6ul.h @@ -0,0 +1,131 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Board configuration file for Variscite DART-6UL Evaluation Kit + * Copyright (C) 2019 Parthiban Nallathambi + */ +#ifndef __DART_6UL_H +#define __DART_6UL_H + +#include +#include "mx6_common.h" + +/* SPL options */ +#include "imx6_spl.h" + +/* NAND pin conflicts with usdhc2 */ +#ifdef CONFIG_CMD_NAND +#define CONFIG_SYS_FSL_USDHC_NUM 1 +#else +#define CONFIG_SYS_FSL_USDHC_NUM 2 +#endif + +#ifdef CONFIG_CMD_NET +#define CONFIG_FEC_ENET_DEV 0 + +#if (CONFIG_FEC_ENET_DEV == 0) +#define IMX_FEC_BASE ENET_BASE_ADDR +#define CONFIG_FEC_MXC_PHYADDR 0x1 +#define CONFIG_FEC_XCV_TYPE RMII +#define CONFIG_ETHPRIME "eth0" +#elif (CONFIG_FEC_ENET_DEV == 1) +#define IMX_FEC_BASE ENET2_BASE_ADDR +#define CONFIG_FEC_MXC_PHYADDR 0x3 +#define CONFIG_FEC_XCV_TYPE RMII +#define CONFIG_ETHPRIME "eth1" +#endif +#endif + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (16 * SZ_1M) + +/* Environment settings */ +#define CONFIG_ENV_SIZE SZ_8K +#define CONFIG_ENV_OFFSET (14 * SZ_64K) +#define CONFIG_SYS_REDUNDAND_ENVIRONMENT +#define CONFIG_ENV_OFFSET_REDUND \ + (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) + +/* Environment in SD */ +#define CONFIG_SYS_MMC_ENV_DEV 0 +#define CONFIG_SYS_MMC_ENV_PART 0 +#define MMC_ROOTFS_DEV 0 +#define MMC_ROOTFS_PART 2 + +/* Console configs */ +#define CONFIG_MXC_UART_BASE UART1_BASE + +/* MMC Configs */ +#define CONFIG_FSL_USDHC + +#define CONFIG_SYS_FSL_ESDHC_ADDR USDHC2_BASE_ADDR +#define CONFIG_SUPPORT_EMMC_BOOT + +/* I2C configs */ +#ifdef CONFIG_CMD_I2C +#define CONFIG_SYS_I2C_MXC_I2C1 /* enable I2C bus 1 */ +#define CONFIG_SYS_I2C_MXC_I2C2 /* enable I2C bus 2 */ +#define CONFIG_SYS_I2C_SPEED 100000 +#endif + +/* Miscellaneous configurable options */ +#define CONFIG_SYS_MEMTEST_START 0x80000000 +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x8000000) + +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR +#define CONFIG_SYS_HZ 1000 + +/* Physical Memory Map */ +#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR +#define PHYS_SDRAM_SIZE SZ_512M + +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM +#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR +#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE + +#define CONFIG_SYS_INIT_SP_OFFSET \ + (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) + +/* USB Configs */ +#define CONFIG_EHCI_HCD_INIT_AFTER_RESET +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW) +#define CONFIG_MXC_USB_FLAGS 0 +#define CONFIG_USB_MAX_CONTROLLER_COUNT 2 + +#define CONFIG_IMX_THERMAL + +#define ENV_MMC \ + "mmcdev=" __stringify(MMC_ROOTFS_DEV) "\0" \ + "mmcpart=" __stringify(MMC_ROOTFS_PART) "\0" \ + "fitpart=1\0" \ + "bootdelay=3\0" \ + "silent=1\0" \ + "optargs=rw rootwait\0" \ + "mmcautodetect=yes\0" \ + "mmcrootfstype=ext4\0" \ + "mmcfit_name=fitImage\0" \ + "mmcloadfit=fatload mmc ${mmcdev}:${fitpart} ${fit_addr} " \ + "${mmcfit_name}\0" \ + "mmcargs=setenv bootargs " \ + "root=/dev/mmcblk${mmcdev}p${mmcpart} ${optargs} " \ + "console=${console} rootfstype=${mmcrootfstype}\0" \ + "mmc_mmc_fit=run mmcloadfit;run mmcargs addcon; bootm ${fit_addr}\0" \ + +/* Default environment */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + "fdt_high=0xffffffff\0" \ + "console=ttymxc0,115200n8\0" \ + "addcon=setenv bootargs ${bootargs} console=${console},${baudrate}\0" \ + "fit_addr=0x82000000\0" \ + ENV_MMC + +#define CONFIG_BOOTCOMMAND "run mmc_mmc_fit" + +#define BOOT_TARGET_DEVICES(func) \ + func(MMC, mmc, 0) \ + func(MMC, mmc, 1) \ + func(DHCP, dhcp, na) + +#include +#endif /* __DART_6UL_H */