This adds platform code for the Khadas VIM2 board based on a Meson GXM (S912) SoC with the Meson GXM configuration. This initial submission supports UART, MMC/SDCard and Ethernet. USB is partially supported. All the code is from Neil Armstrong! I just rebased the code, do some cleanup and tested on my board. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Loic Devulder <ldevulder@suse.de> Acked-by: Neil Armstrong <narmstrong@baylibre.com>lime2-spi
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if TARGET_KHADAS_VIM2 |
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config SYS_BOARD |
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default "khadas-vim2" |
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config SYS_VENDOR |
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default "amlogic" |
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config SYS_CONFIG_NAME |
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default "khadas-vim2" |
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endif |
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KHADAS-VIM2 |
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M: Neil Armstrong <narmstrong@baylibre.com> |
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S: Maintained |
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F: board/amlogic/khadas-vim2/ |
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F: include/configs/khadas-vim2.h |
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F: configs/khadas-vim2_defconfig |
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# SPDX-License-Identifier: GPL-2.0+
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#
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# (C) Copyright 2016 BayLibre, SAS
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# Author: Neil Armstrong <narmstrong@baylibre.com>
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obj-y := khadas-vim2.o
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U-Boot for Khadas VIM2 |
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======================= |
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Khadas VIM2 is an Open Source DIY Box manufactured by Shenzhen Wesion |
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Technology Co., Ltd with the following specifications: |
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- Amlogic S912 ARM Cortex-A53 octo-core SoC @ 1.5GHz |
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- ARM Mali T860 GPU |
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- 2/3GB DDR4 SDRAM |
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- 10/100/1000 Ethernet |
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- HDMI 2.0 4K/60Hz display |
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- 40-pin GPIO header |
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- 2 x USB 2.0 Host, 1 x USB 2.0 Type-C OTG |
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- 16GB/32GB/64GB eMMC |
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- 2MB SPI Flash |
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- microSD |
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- SDIO Wifi Module, Bluetooth |
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- Two channels IR receiver |
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Currently the u-boot port supports the following devices: |
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- serial |
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- eMMC, microSD |
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- Ethernet |
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- I2C |
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- Regulators |
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- Reset controller |
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- Clock controller |
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- USB Host |
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- ADC |
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U-Boot compilation |
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================== |
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> export ARCH=arm |
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> export CROSS_COMPILE=aarch64-none-elf- |
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> make khadas-vim2_defconfig |
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> make |
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Image creation |
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============== |
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Amlogic doesn't provide sources for the firmware and for tools needed |
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to create the bootloader image, so it is necessary to obtain them from |
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the git tree published by the board vendor: |
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> wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz |
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> wget https://releases.linaro.org/archive/13.11/components/toolchain/binaries/gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz |
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> tar xvfJ gcc-linaro-aarch64-none-elf-4.8-2013.11_linux.tar.xz |
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> tar xvfJ gcc-linaro-arm-none-eabi-4.8-2013.11_linux.tar.xz |
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> export PATH=$PWD/gcc-linaro-aarch64-none-elf-4.8-2013.11_linux/bin:$PWD/gcc-linaro-arm-none-eabi-4.8-2013.11_linux/bin:$PATH |
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> git clone https://github.com/khadas/u-boot -b Vim vim-u-boot |
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> cd vim-u-boot |
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> make kvim_defconfig |
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> make |
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> export FIPDIR=$PWD/fip |
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Go back to mainline U-Boot source tree then : |
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> mkdir fip |
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> cp $FIPDIR/gxl/bl2.bin fip/ |
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> cp $FIPDIR/gxl/acs.bin fip/ |
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> cp $FIPDIR/gxl/bl21.bin fip/ |
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> cp $FIPDIR/gxl/bl30.bin fip/ |
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> cp $FIPDIR/gxl/bl301.bin fip/ |
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> cp $FIPDIR/gxl/bl31.img fip/ |
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> cp u-boot.bin fip/bl33.bin |
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> $FIPDIR/blx_fix.sh \ |
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fip/bl30.bin \ |
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fip/zero_tmp \ |
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fip/bl30_zero.bin \ |
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fip/bl301.bin \ |
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fip/bl301_zero.bin \ |
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fip/bl30_new.bin \ |
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bl30 |
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> python $FIPDIR/acs_tool.pyc fip/bl2.bin fip/bl2_acs.bin fip/acs.bin 0 |
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> $FIPDIR/blx_fix.sh \ |
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fip/bl2_acs.bin \ |
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fip/zero_tmp \ |
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fip/bl2_zero.bin \ |
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fip/bl21.bin \ |
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fip/bl21_zero.bin \ |
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fip/bl2_new.bin \ |
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bl2 |
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> $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl30_new.bin |
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> $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl31.img |
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> $FIPDIR/gxl/aml_encrypt_gxl --bl3enc --input fip/bl33.bin |
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> $FIPDIR/gxl/aml_encrypt_gxl --bl2sig --input fip/bl2_new.bin --output fip/bl2.n.bin.sig |
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> $FIPDIR/gxl/aml_encrypt_gxl --bootmk \ |
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--output fip/u-boot.bin \ |
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--bl2 fip/bl2.n.bin.sig \ |
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--bl30 fip/bl30_new.bin.enc \ |
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--bl31 fip/bl31.img.enc \ |
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--bl33 fip/bl33.bin.enc |
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and then write the image to SD with: |
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> DEV=/dev/your_sd_device |
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> dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=512 skip=1 seek=1 |
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> dd if=fip/u-boot.bin.sd.bin of=$DEV conv=fsync,notrunc bs=1 count=444 |
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2016 BayLibre, SAS |
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* Author: Neil Armstrong <narmstrong@baylibre.com> |
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*/ |
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#include <common.h> |
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#include <dm.h> |
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#include <environment.h> |
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#include <asm/io.h> |
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#include <asm/arch/gx.h> |
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#include <asm/arch/mem.h> |
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#include <asm/arch/sm.h> |
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#include <asm/arch/eth.h> |
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#define EFUSE_SN_OFFSET 20 |
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#define EFUSE_SN_SIZE 16 |
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#define EFUSE_MAC_OFFSET 52 |
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#define EFUSE_MAC_SIZE 6 |
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int board_init(void) |
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{ |
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return 0; |
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} |
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int misc_init_r(void) |
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{ |
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u8 mac_addr[EFUSE_MAC_SIZE]; |
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char serial[EFUSE_SN_SIZE]; |
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ssize_t len; |
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meson_gx_eth_init(PHY_INTERFACE_MODE_RGMII, 0); |
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/* Reset PHY on GPIOZ_14 */ |
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clrbits_le32(GX_GPIO_EN(3), BIT(14)); |
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clrbits_le32(GX_GPIO_OUT(3), BIT(14)); |
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mdelay(10); |
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setbits_le32(GX_GPIO_OUT(3), BIT(14)); |
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if (!eth_env_get_enetaddr("ethaddr", mac_addr)) { |
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len = meson_sm_read_efuse(EFUSE_MAC_OFFSET, |
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mac_addr, EFUSE_MAC_SIZE); |
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if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr)) |
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eth_env_set_enetaddr("ethaddr", mac_addr); |
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} |
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if (!env_get("serial#")) { |
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len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial, |
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EFUSE_SN_SIZE); |
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if (len == EFUSE_SN_SIZE) |
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env_set("serial#", serial); |
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} |
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return 0; |
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} |
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int ft_board_setup(void *blob, bd_t *bd) |
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{ |
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meson_gx_init_reserved_memory(blob); |
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return 0; |
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} |
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CONFIG_ARM=y |
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CONFIG_ARCH_MESON=y |
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CONFIG_SYS_TEXT_BASE=0x01000000 |
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CONFIG_MESON_GXM=y |
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CONFIG_TARGET_KHADAS_VIM2=y |
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CONFIG_DEBUG_UART_BASE=0xc81004c0 |
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CONFIG_DEBUG_UART_CLOCK=24000000 |
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CONFIG_IDENT_STRING=" khadas-vim2" |
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CONFIG_DEFAULT_DEVICE_TREE="meson-gxm-khadas-vim2" |
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CONFIG_DEBUG_UART=y |
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CONFIG_OF_BOARD_SETUP=y |
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# CONFIG_DISPLAY_CPUINFO is not set |
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# CONFIG_DISPLAY_BOARDINFO is not set |
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# CONFIG_CMD_BDI is not set |
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# CONFIG_CMD_IMI is not set |
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CONFIG_CMD_ADC=y |
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CONFIG_CMD_GPIO=y |
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# CONFIG_CMD_LOADS is not set |
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CONFIG_CMD_MMC=y |
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CONFIG_CMD_USB=y |
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# CONFIG_CMD_SETEXPR is not set |
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CONFIG_CMD_REGULATOR=y |
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CONFIG_ADC=y |
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CONFIG_SARADC_MESON=y |
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CONFIG_OF_CONTROL=y |
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CONFIG_NET_RANDOM_ETHADDR=y |
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CONFIG_DM_GPIO=y |
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CONFIG_DM_REGULATOR=y |
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CONFIG_DM_REGULATOR_FIXED=y |
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CONFIG_DM_RESET=y |
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CONFIG_DM_MMC=y |
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CONFIG_MMC_MESON_GX=y |
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CONFIG_DM_ETH=y |
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CONFIG_ETH_DESIGNWARE=y |
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CONFIG_PINCTRL=y |
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CONFIG_PINCTRL_MESON_GXL=y |
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CONFIG_DEBUG_UART_MESON=y |
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CONFIG_DEBUG_UART_ANNOUNCE=y |
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CONFIG_DEBUG_UART_SKIP_INIT=y |
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CONFIG_MESON_SERIAL=y |
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CONFIG_OF_LIBFDT_OVERLAY=y |
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CONFIG_USB=y |
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CONFIG_DM_USB=y |
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CONFIG_USB_XHCI_HCD=y |
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CONFIG_USB_XHCI_DWC3=y |
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CONFIG_USB_XHCI_DWC3_OF_SIMPLE=y |
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CONFIG_USB_DWC3=y |
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CONFIG_USB_STORAGE=y |
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CONFIG_PHY=y |
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CONFIG_MESON_GXL_USB_PHY=y |
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CONFIG_MTD=y |
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/* SPDX-License-Identifier: GPL-2.0+ */ |
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/*
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* Configuration for Khadas VIM2 |
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* |
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* Copyright (C) 2017 Baylibre, SAS |
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* Author: Neil Armstrong <narmstrong@baylibre.com> |
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*/ |
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#ifndef __CONFIG_H |
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#define __CONFIG_H |
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#define CONFIG_MISC_INIT_R |
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#define MESON_FDTFILE_SETTING "fdtfile=amlogic/meson-gxm-khadas-vim2.dtb\0" |
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#include <configs/meson-gx-common.h> |
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#endif /* __CONFIG_H */ |
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