From: NavinSankar Velliangiri navin@linumiz.com

CPU: Freescale i.MX6ULL rev1.1 792 MHz (running at 396 MHz) CPU: Industrial temperature grade (-40C to 105C) at 49C Reset cause: POR Model: Seeed NPi iMX6ULL Dev Board with NAND Board: Seeed NPi i.MX6ULL Dev Board DRAM: 512 MiB NAND: 512 MiB MMC: FSL_SDHC: 0 In: serial@2020000 Out: serial@2020000 Err: serial@2020000 Net: FEC0

Working: - Eth0 - MMC/SD - NAND - UART 1 - USB host

Signed-off-by: NavinSankar Velliangiri navin@linumiz.com --- arch/arm/Kconfig | 1 + arch/arm/dts/Makefile | 1 + .../imx6ull-seeed-npi-imx6ull-dev-board.dts | 19 ++ .../dts/imx6ull-seeed-npi-imx6ull-u-boot.dtsi | 24 ++ arch/arm/dts/imx6ull-seeed-npi-imx6ull.dtsi | 271 ++++++++++++++++++ arch/arm/mach-imx/mx6/Kconfig | 11 + board/seeed/npi_imx6ull/Kconfig | 12 + board/seeed/npi_imx6ull/MAINTAINERS | 9 + board/seeed/npi_imx6ull/Makefile | 4 + board/seeed/npi_imx6ull/README | 61 ++++ board/seeed/npi_imx6ull/npi_imx6ull.c | 114 ++++++++ board/seeed/npi_imx6ull/spl.c | 205 +++++++++++++ configs/seeed_npi_imx6ull_defconfig | 80 ++++++ include/configs/npi_imx6ull.h | 96 +++++++ 14 files changed, 908 insertions(+) create mode 100644 arch/arm/dts/imx6ull-seeed-npi-imx6ull-dev-board.dts create mode 100644 arch/arm/dts/imx6ull-seeed-npi-imx6ull-u-boot.dtsi create mode 100644 arch/arm/dts/imx6ull-seeed-npi-imx6ull.dtsi create mode 100644 board/seeed/npi_imx6ull/Kconfig create mode 100644 board/seeed/npi_imx6ull/MAINTAINERS create mode 100644 board/seeed/npi_imx6ull/Makefile create mode 100644 board/seeed/npi_imx6ull/README create mode 100644 board/seeed/npi_imx6ull/npi_imx6ull.c create mode 100644 board/seeed/npi_imx6ull/spl.c create mode 100644 configs/seeed_npi_imx6ull_defconfig create mode 100644 include/configs/npi_imx6ull.h

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 31d687ea01..3c46f3ff39 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -2008,6 +2008,7 @@ source "board/hisilicon/poplar/Kconfig" source "board/isee/igep003x/Kconfig" source "board/kontron/sl28/Kconfig" source "board/myir/mys_6ulx/Kconfig" +source "board/seeed/npi_imx6ull/Kconfig" source "board/spear/spear300/Kconfig" source "board/spear/spear310/Kconfig" source "board/spear/spear320/Kconfig" diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index aec5020a0f..6cbaafcc73 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -798,6 +798,7 @@ dtb-$(CONFIG_MX6ULL) += \ imx6ull-14x14-evk.dtb \ imx6ull-colibri.dtb \ imx6ull-myir-mys-6ulx-eval.dtb \ + imx6ull-seeed-npi-imx6ull-dev-board.dtb \ imx6ull-phytec-segin-ff-rdk-emmc.dtb \ imx6ull-dart-6ul.dtb \ imx6ull-somlabs-visionsom.dtb \ diff --git a/arch/arm/dts/imx6ull-seeed-npi-imx6ull-dev-board.dts b/arch/arm/dts/imx6ull-seeed-npi-imx6ull-dev-board.dts new file mode 100644 index 0000000000..d08071a026 --- /dev/null +++ b/arch/arm/dts/imx6ull-seeed-npi-imx6ull-dev-board.dts @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 Linumiz + * Author: NavinSankar Velliangiri navin@linumiz.com + */ + +/dts-v1/; +#include "imx6ull.dtsi" +#include "imx6ull-seeed-npi-imx6ull.dtsi" +#include "imx6ull-seeed-npi-imx6ull-u-boot.dtsi" + +/ { + model = "Seeed NPi iMX6ULL Dev Board with NAND"; + compatible = "seeed, imx6ull-seeed-npi-imx6ull", "fsl,imx6ull"; +}; + +&gpmi { + status = "okay"; +}; diff --git a/arch/arm/dts/imx6ull-seeed-npi-imx6ull-u-boot.dtsi b/arch/arm/dts/imx6ull-seeed-npi-imx6ull-u-boot.dtsi new file mode 100644 index 0000000000..262f8be360 --- /dev/null +++ b/arch/arm/dts/imx6ull-seeed-npi-imx6ull-u-boot.dtsi @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 Linumiz + * Author: NavinSankar Velliangiri navin@linumiz.com + */ + +&pinctrl_uart1 { + u-boot,dm-pre-reloc; +}; + +&gpmi { + u-boot,dm-spl; + u-boot,dm-pre-reloc; +}; + +&usdhc1 { + u-boot,dm-spl; + u-boot,dm-pre-reloc; +}; + +&usdhc2 { + u-boot,dm-spl; + u-boot,dm-pre-reloc; +}; diff --git a/arch/arm/dts/imx6ull-seeed-npi-imx6ull.dtsi b/arch/arm/dts/imx6ull-seeed-npi-imx6ull.dtsi new file mode 100644 index 0000000000..04be7a4d9f --- /dev/null +++ b/arch/arm/dts/imx6ull-seeed-npi-imx6ull.dtsi @@ -0,0 +1,271 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2021 Linumiz + * Author: NavinSankar Velliangiri navin@linumiz.com + */ + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/pwm/pwm.h> + +/ { + model = "Seeed NPi-iMX6ULL Dev Board"; + compatible = "fsl,imx6ull"; + + chosen { + stdout-path = &uart1; + }; + + leds { + compatible = "gpio-leds"; + + user-led { + label = "User"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpios>; + gpios = <&gpio5 3 GPIO_ACTIVE_HIGH>; + linux,default-trigger = "heartbeat"; + }; + }; +}; + +&gpmi { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpmi_nand>; + nand-on-flash-bbt; + status = "disabled"; +}; + +&uart1 { + pinctrl-name = "default"; + pinctrl-0 = <&pinctrl_uart1>; + status = "okay"; +}; + +&usdhc1 { + pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-0 = <&pinctrl_usdhc1>; + pinctrl-1 = <&pinctrl_usdhc1_100mhz>; + pinctrl-2 = <&pinctrl_usdhc1_200mhz>; + cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>; + no-1-8-v; + keep-power-in-suspend; + wakeup-source; + status = "okay"; +}; + +&usdhc2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc2>; + pinctrl-1 = <&pinctrl_usdhc2_100mhz>; + pinctrl-2 = <&pinctrl_usdhc2_200mhz>; + bus-width = <8>; + non-removable; + keep-power-in-suspend; +}; + +&fec1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enet1>; + phy-mode = "rmii"; + phy-handle = <&ethphy0>; + status = "okay"; +}; + +&fec2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enet2>; + phy-mode = "rmii"; + phy-handle = <&ethphy1>; + status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy0: ethernet-phy@2 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <2>; + micrel,led-mode = <1>; + clocks = <&clks IMX6UL_CLK_ENET_REF>; + clock-names = "rmii-ref"; + }; + + ethphy1: ethernet-phy@1 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <1>; + micrel,led-mode = <1>; + clocks = <&clks IMX6UL_CLK_ENET2_REF>; + clock-names = "rmii-ref"; + }; + }; +}; + +&usbotg1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb_otg1_id>; + dr_mode = "otg"; + srp-disable; + hnp-disable; + adp-disable; + status = "okay"; +}; + +&usbotg2 { + dr_mode = "host"; + disable-over-current; + status = "okay"; +}; + +&iomuxc { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gpios>; + + pinctrl_uart1: uart1grp { + fsl,pin = < + MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1 + MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1 + >; + }; + + pinctrl_usb_otg1_id: usbotg1idgrp { + fsl,pin = < + MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID 0x17059 + >; + }; + + 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_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_usdhc1_100mhz: usdhc1grp100mhz { + fsl,pins = < + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170b9 + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100b9 + MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9 + MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9 + MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9 + MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9 + >; + }; + + pinctrl_usdhc1_200mhz: usdhc1grp200mhz { + fsl,pins = < + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170f9 + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100f9 + MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9 + MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9 + MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9 + MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9 + >; + }; + + pinctrl_usdhc2: usdhc2grp { + fsl,pins = < + MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x10069 + MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x17059 + MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059 + MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059 + MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059 + MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059 + MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x17059 + MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x17059 + MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x17059 + MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x17059 + >; + }; + + pinctrl_usdhc2_100mhz: usdhc2grp100mhz { + fsl,pins = < + MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x100b9 + MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x170b9 + MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170b9 + MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170b9 + MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170b9 + MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170b9 + MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170b9 + MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170b9 + MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170b9 + MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170b9 + >; + }; + + pinctrl_usdhc2_200mhz: usdhc2grp200mhz { + fsl,pins = < + MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x100f9 + MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x170f9 + 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 + >; + }; + + pinctrl_enet1: enet1grp { + fsl,pins = < + 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_IO07__ENET2_MDC 0x1b0b0 + MX6UL_PAD_GPIO1_IO06__ENET2_MDIO 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_gpios: gpiosgrp { + fsl,pins = < + MX6UL_PAD_SNVS_TAMPER3__GPIO5_IO03 0x0b0b0 + >; + }; +}; diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig index 9450e6a683..c313698423 100644 --- a/arch/arm/mach-imx/mx6/Kconfig +++ b/arch/arm/mach-imx/mx6/Kconfig @@ -453,6 +453,17 @@ config TARGET_NITROGEN6X imply USB_ETHER_SMSC95XX imply USB_HOST_ETHER

+config TARGET_NPI_IMX6ULL + bool "Seeed NPI-IMX6ULL" + depends on MX6ULL + select DM + select DM_ETH + select DM_MMC + select DM_GPIO + select DM_SERIAL + select DM_THERMAL + select SUPPORT_SPL + config TARGET_OPOS6ULDEV bool "Armadeus OPOS6ULDev board" depends on MX6UL diff --git a/board/seeed/npi_imx6ull/Kconfig b/board/seeed/npi_imx6ull/Kconfig new file mode 100644 index 0000000000..5e298299a3 --- /dev/null +++ b/board/seeed/npi_imx6ull/Kconfig @@ -0,0 +1,12 @@ +if TARGET_NPI_IMX6ULL + +config SYS_BOARD + default "npi_imx6ull" + +config SYS_VENDOR + default "seeed" + +config SYS_CONFIG_NAME + default "npi_imx6ull" + +endif diff --git a/board/seeed/npi_imx6ull/MAINTAINERS b/board/seeed/npi_imx6ull/MAINTAINERS new file mode 100644 index 0000000000..8eb66d8839 --- /dev/null +++ b/board/seeed/npi_imx6ull/MAINTAINERS @@ -0,0 +1,9 @@ +NPI_IMX6ULL BOARD +M: NavinSankar Velliangiri navin@linumiz.com +S: Maintained +F: arch/arm/dts/imx6ull-seeed-npi-imx6ull-dev-board.dts +F: arch/arm/dts/imx6ull-seeed-npi-imx6ull-u-boot.dtsi +F: arch/arm/dts/imx6ull-seeed-npi-imx6ull.dtsi +F: board/seeed/npi-imx6ull/ +F: configs/seeed_npi_imx6ull_defconfig +F: include/configs/npi_imx6ull.h diff --git a/board/seeed/npi_imx6ull/Makefile b/board/seeed/npi_imx6ull/Makefile new file mode 100644 index 0000000000..93ea413517 --- /dev/null +++ b/board/seeed/npi_imx6ull/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y := npi_imx6ull.o +obj-$(CONFIG_SPL_BUILD) += spl.o diff --git a/board/seeed/npi_imx6ull/README b/board/seeed/npi_imx6ull/README new file mode 100644 index 0000000000..01d218a9bc --- /dev/null +++ b/board/seeed/npi_imx6ull/README @@ -0,0 +1,61 @@ +How to use U-BOOT on SeeedStudio NPI-IMX6ULL Single Board Computer +------------------------------------------------------------------ + +- Configure and build U-Boot for NPI-IMX6ULL: + + $ export ARCH=arm + $ export CROSS_COMPILE=arm-none-linux-gnueabihf- + $ make seeed_npi_imx6ull_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 -> 1 + SW3 -> 0 + SW4 -> 0 + SW5 -> 1 + SW6 -> 0 + SW7 -> 0 + SW8 -> 1 + +Boot from NAND: +- Boot the board using SD/MMC or Serial download and load the SPL into memory +either from SD/MMC or TFTP. + +Default MTD layout is 512k(spl),1m(uboot),1m(uboot-dup),-(ubi) + +Flash SPL to NAND from SD/MMC, + + $ ext4load mmc 0:2 $loadaddr SPL + $ nand erase.part spl + $ nandbcb init $loadaddr 0x0 $filesize + +Flash u-boot image to NAND from SD/MMC, + + $ ext4load mmc 0:2 $loadaddr u-boot-dtb.img + $ nand erase.part uboot + $ nand write $loadaddr uboot $filesize + +- Boot mode settings: + + Boot switch position: SW1 -> 0 + SW2 -> 1 + SW3 -> 1 + SW4 -> 0 + SW5 -> 0 + SW6 -> 1 + SW7 -> 0 + SW8 -> 0 + +- Connect the Serial cable to UART0 and the PC for the console. + +- Reset the board using reset button and U-Boot should boot from NAND. diff --git a/board/seeed/npi_imx6ull/npi_imx6ull.c b/board/seeed/npi_imx6ull/npi_imx6ull.c new file mode 100644 index 0000000000..06bb94484b --- /dev/null +++ b/board/seeed/npi_imx6ull/npi_imx6ull.c @@ -0,0 +1,114 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2021 Linumiz + * Author: NavinSankar Velliangiri navin@linumiz.com + */ + +#include <init.h> +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <fsl_esdhc_imx.h> +#include <linux/bitops.h> +#include <miiphy.h> +#include <net.h> +#include <netdev.h> +#include <usb.h> +#include <usb/ehci-ci.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +#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)); +} + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +#ifdef CONFIG_FEC_MXC + +static int setup_fec(int fec_id) +{ + struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + int ret; + + if (fec_id == 0) { + /* + * Use 50MHz 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 50MHz anatop loopbak 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) +{ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} +#endif + +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 + + return 0; +} + +int checkboard(void) +{ + printf("Board: Seeed NPi i.MX6ULL Dev Board\n"); + + return 0; +} diff --git a/board/seeed/npi_imx6ull/spl.c b/board/seeed/npi_imx6ull/spl.c new file mode 100644 index 0000000000..1bfef54576 --- /dev/null +++ b/board/seeed/npi_imx6ull/spl.c @@ -0,0 +1,205 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2021 Linumiz + * Author: NavinSankar Velliangiri navin@linumiz.com + */ + +#include <common.h> +#include <init.h> +#include <spl.h> +#include <asm/arch/clock.h> +#include <asm/io.h> +#include <asm/arch/mx6-ddr.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/sys_proto.h> +#include <fsl_esdhc_imx.h> + +/* Configuration for Micron MT41K256M16TW-107 32M x 16 x 8 -> 512MiB */ + +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 = 0x00000030, + .dram_sdqs0 = 0x00000030, + .dram_sdqs1 = 0x00000030, + .dram_reset = 0x00000030, +}; + +static struct mx6_mmdc_calibration mx6_mmcd_calib = { + .p0_mpwldectrl0 = 0x00000000, + .p0_mpdgctrl0 = 0x41480148, + .p0_mprddlctl = 0x40403E42, + .p0_mpwrdlctl = 0x40405852, +}; + +struct mx6_ddr_sysinfo ddr_sysinfo = { + .dsize = 0, /* Bus size = 16bit */ + .cs_density = 32, + .ncs = 1, + .cs1_mirror = 0, + .rtt_wr = 1, + .rtt_nom = 1, + .walat = 1, /* Write additional latency */ + .ralat = 5, /* Read additional latency */ + .mif3_mode = 3, /* Command prediction working mode */ + .bi_on = 1, /* Bank interleaving enabled */ + .pd_fast_exit = 1, + .sde_to_rst = 0x10, + .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ + .ddr_type = DDR_TYPE_DDR3, + .refsel = 1, /* Refresh cycles at 32KHz */ + .refr = 7, /* 8 refresh commands per refresh cycle */ +}; + +static struct mx6_ddr3_cfg mem_ddr = { + .mem_speed = 1600, + .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); +} + +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); +} + +#ifdef CONFIG_FSL_ESDHC_IMX + +#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), + MX6_PAD_UART1_RTS_B__USDHC1_CD_B | 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(struct bd_info *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_ESDHC_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; +} + +#endif /* CONFIG_FSL_ESDHC_IMX */ + +void board_init_f(ulong dummy) +{ + ccgr_init(); + + /* Setup AIPS and disable watchdog */ + arch_cpu_init(); + + /* Setup iomux and fec */ + board_early_init_f(); + + /* Setup GP timer */ + timer_init(); + + /* UART clocks enabled and gd valid - init serial console */ + preloader_console_init(); + + /* DDR initialization */ + spl_dram_init(); +} diff --git a/configs/seeed_npi_imx6ull_defconfig b/configs/seeed_npi_imx6ull_defconfig new file mode 100644 index 0000000000..6503cabbd0 --- /dev/null +++ b/configs/seeed_npi_imx6ull_defconfig @@ -0,0 +1,80 @@ +CONFIG_ARM=y +CONFIG_ARCH_MX6=y +CONFIG_SYS_TEXT_BASE=0x87800000 +CONFIG_SPL_LIBCOMMON_SUPPORT=y +CONFIG_SPL_LIBGENERIC_SUPPORT=y +CONFIG_NR_DRAM_BANKS=8 +CONFIG_ENV_SIZE=0x4000 +CONFIG_MX6ULL=y +CONFIG_TARGET_NPI_IMX6ULL=y +CONFIG_SPL_TEXT_BASE=0x908000 +CONFIG_SPL_MMC_SUPPORT=y +CONFIG_SPL_SERIAL_SUPPORT=y +CONFIG_SPL=y +CONFIG_DEFAULT_DEVICE_TREE="imx6ull-seeed-npi-imx6ull-dev-board" +CONFIG_DISTRO_DEFAULTS=y +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_DMA=y +CONFIG_SPL_NAND_SUPPORT=y +CONFIG_SPL_USB_HOST_SUPPORT=y +CONFIG_SPL_USB_GADGET=y +CONFIG_SPL_WATCHDOG_SUPPORT=y +CONFIG_CMD_MEMTEST=y +CONFIG_SYS_MEMTEST_START=0x80000000 +CONFIG_SYS_MEMTEST_END=0x90000000 +CONFIG_CMD_DM=y +CONFIG_CMD_GPIO=y +CONFIG_CMD_DHCP=y +CONFIG_CMD_PING=y +CONFIG_CMD_GPT=y +# CONFIG_RANDOM_UUID is not set +# CONFIG_CMD_I2C is not set +CONFIG_CMD_MMC=y +CONFIG_CMD_MTD=y +CONFIG_CMD_USB=y +CONFIG_CMD_CACHE=y +CONFIG_CMD_MTDPARTS=y +CONFIG_MTDIDS_DEFAULT="nand0=gpmi-nand" +CONFIG_MTDPARTS_DEFAULT="gpmi-nand:512k(spl),1m(uboot),1m(uboot-dup),-(ubi)" +CONFIG_SYS_NAND_USE_FLASH_BBT=y +CONFIG_CMD_UBI=y +# CONFIG_ISO_PARTITION is not set +CONFIG_OF_CONTROL=y +CONFIG_SYS_RELOC_GD_ENV_ADDR=y +# CONFIG_DM_I2C_GPIO is not set +# CONFIG_SYS_I2C_MXC is not set +CONFIG_FSL_USDHC=y +CONFIG_MTD=y +CONFIG_DM_MTD=y +CONFIG_MTD_RAW_NAND=y +CONFIG_NAND_MXS=y +CONFIG_NAND_MXS_DT=y +CONFIG_SYS_NAND_U_BOOT_LOCATIONS=y +CONFIG_SYS_NAND_U_BOOT_OFFS=0x80000 +CONFIG_SYS_NAND_U_BOOT_OFFS_REDUND=0x180000 +CONFIG_PHYLIB=y +CONFIG_PHY_MICREL=y +CONFIG_PHY_MICREL_KSZ8XXX=y +CONFIG_DM_ETH=y +CONFIG_FEC_MXC=y +CONFIG_MII=y +CONFIG_PINCTRL=y +CONFIG_PINCTRL_IMX6=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_REGULATOR_FIXED=y +CONFIG_DM_REGULATOR_GPIO=y +CONFIG_DM_PMIC=y +CONFIG_NET_RANDOM_ETHADDR=y +# CONFIG_SPL_PMIC_CHILDREN is not set +CONFIG_MMC=y +CONFIG_ENV_IS_IN_MMC=y +CONFIG_ENV_OFFSET=0x3c00000 +CONFIG_MXC_UART=y +CONFIG_USB=y +CONFIG_DM_USB=y +CONFIG_USB_GADGET=y +CONFIG_SMBIOS_MANUFACTURER="Seeed" diff --git a/include/configs/npi_imx6ull.h b/include/configs/npi_imx6ull.h new file mode 100644 index 0000000000..97ba4bc794 --- /dev/null +++ b/include/configs/npi_imx6ull.h @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: GPL-2.0+ + * + * Copyright (c) 2021 Linumiz + * Author: NavinSankar Velliangiri navin@linumiz.com + */ + +#ifndef _NPI_IMX6ULL_H +#define _NPI_IMX6ULL_H + +#include <linux/sizes.h> +#include "mx6_common.h" + +/* SPL options */ +#include "imx6_spl.h" + +#define CONFIG_SYS_FSL_USDHC_NUM 1 + +/* Size of malloc() poll */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (2 << 20)) + +/* Console configs */ +#define CONFIG_MXC_UART_BASE UART1_BASE + +/* MMC Configs */ +#define CONFIG_SYS_FSL_ESDHC_ADDR USDHC2_BASE_ADDR + +#define CONFIG_NETMASK 255.255.255.0 + +#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR +#define CONFIG_SYS_HZ 1000 + +/* Physical Memory Map */ +#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR + +#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) + +/* environment settings */ +#if defined(CONFIG_ENV_IS_IN_MMC) +#define CONFIG_SYS_MMC_ENV_DEV 0 +#elif defined(CONFIG_ENV_IS_IN_NAND) +#undef CONFIG_ENV_SIZE +#define CONFIG_ENV_SECT_SIZE (128 << 10) +#define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE +#endif + +/* NAND */ +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_BASE 0x40000000 + +/* 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 1 + +#ifdef CONFIG_CMD_NET +#define IMX_FEC_BASE ENET_BASE_ADDR +#define CONFIG_FEC_MXC_PHYADDR 0x1 +#define CONFIG_FEC_XCV_TYPE RMII +#define CONFIG_ETHPRIME "eth0" +#endif + +#define CONFIG_IMX_THERMAL + +#define CONFIG_FEC_ENET_DEV 1 + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "console=ttymxc0,115200n8\0" \ + "image=zImage\0" \ + "fdtfile=imx6ull-seeed-npi-dev-board.dtb\0" \ + "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \ + "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \ + "fdt_addr_r=0x82000000\0" \ + "kernel_addr_r=0x81000000\0" \ + "pxefile_addr_r=0x87100000\0" \ + "ramdisk_addr_r=0x82100000\0" \ + "scriptaddr=0x87000000\0" \ + "root=/dev/mmcblk0p2 rootwait\0" \ + BOOTENV + +#define BOOT_TARGET_DEVICES(func) \ + func(MMC, mmc, 0) \ + func(UBIFS, ubifs, 0) \ + func(PXE, pxe, na) \ + func(DHCP, dhcp, na) + +#include <config_distro_bootcmd.h> + +#endif /* _NPI_IMX6ULL_H */