diff options
Diffstat (limited to 'roms/u-boot/board/freescale/imxrt1020-evk')
5 files changed, 154 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/imxrt1020-evk/Kconfig b/roms/u-boot/board/freescale/imxrt1020-evk/Kconfig new file mode 100644 index 000000000..d00cbff09 --- /dev/null +++ b/roms/u-boot/board/freescale/imxrt1020-evk/Kconfig @@ -0,0 +1,22 @@ +if TARGET_IMXRT1020_EVK + +config SYS_BOARD + string + default "imxrt1020-evk" + +config SYS_VENDOR + string + default "freescale" + +config SYS_SOC + string + default "imxrt1020" + +config SYS_CONFIG_NAME + string + default "imxrt1020-evk" + +config IMX_CONFIG + default "board/freescale/imxrt1020-evk/imximage.cfg" + +endif diff --git a/roms/u-boot/board/freescale/imxrt1020-evk/MAINTAINERS b/roms/u-boot/board/freescale/imxrt1020-evk/MAINTAINERS new file mode 100644 index 000000000..05f017b2b --- /dev/null +++ b/roms/u-boot/board/freescale/imxrt1020-evk/MAINTAINERS @@ -0,0 +1,6 @@ +IMXRT1020 EVALUATION KIT +M: Giulio Benetti <giulio.benetti@benettiengineering.com> +S: Maintained +F: board/freescale/imxrt1020-evk +F: include/configs/imxrt1020-evk.h +F: configs/imxrt1020-evk_defconfig diff --git a/roms/u-boot/board/freescale/imxrt1020-evk/Makefile b/roms/u-boot/board/freescale/imxrt1020-evk/Makefile new file mode 100644 index 000000000..807dc7c35 --- /dev/null +++ b/roms/u-boot/board/freescale/imxrt1020-evk/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2020 +# Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com> + +obj-y := imxrt1020-evk.o diff --git a/roms/u-boot/board/freescale/imxrt1020-evk/imximage.cfg b/roms/u-boot/board/freescale/imxrt1020-evk/imximage.cfg new file mode 100644 index 000000000..9bcc2c159 --- /dev/null +++ b/roms/u-boot/board/freescale/imxrt1020-evk/imximage.cfg @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2020 + * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com> + */ + +#define __ASSEMBLY__ +#include <config.h> + +/* image version */ + +IMAGE_VERSION 2 + +/* + * Boot Device : one of + * spi/sd/nand/onenand, qspi/nor + */ + +BOOT_FROM sd + +/* + * Device Configuration Data (DCD) + * + * Each entry must have the format: + * Addr-type Address Value + * + * where: + * Addr-type register length (1,2 or 4 bytes) + * Address absolute address of the register + * value value to be stored in the register + */ + +/* Set all FlexRAM as OCRAM(01b) */ +DATA 4 0x400AC044 0x00005555 +/* Use FLEXRAM_BANK_CFG to config FlexRAM */ +SET_BIT 4 0x400AC040 0x4 diff --git a/roms/u-boot/board/freescale/imxrt1020-evk/imxrt1020-evk.c b/roms/u-boot/board/freescale/imxrt1020-evk/imxrt1020-evk.c new file mode 100644 index 000000000..479e66bdd --- /dev/null +++ b/roms/u-boot/board/freescale/imxrt1020-evk/imxrt1020-evk.c @@ -0,0 +1,84 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 + * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com> + */ + +#include <common.h> +#include <dm.h> +#include <init.h> +#include <log.h> +#include <ram.h> +#include <spl.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/armv7m.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ +#ifndef CONFIG_SUPPORT_SPL + int rv; + struct udevice *dev; + + rv = uclass_get_device(UCLASS_RAM, 0, &dev); + if (rv) { + debug("DRAM init failed: %d\n", rv); + return rv; + } + +#endif + return fdtdec_setup_mem_size_base(); +} + +int dram_init_banksize(void) +{ + return fdtdec_setup_memory_banksize(); +} + +#ifdef CONFIG_SPL_BUILD +#ifdef CONFIG_SPL_OS_BOOT +int spl_start_uboot(void) +{ + debug("SPL: booting kernel\n"); + /* break into full u-boot on 'c' */ + return serial_tstc() && serial_getc() == 'c'; +} +#endif + +int spl_dram_init(void) +{ + struct udevice *dev; + int rv; + + rv = uclass_get_device(UCLASS_RAM, 0, &dev); + if (rv) + debug("DRAM init failed: %d\n", rv); + return rv; +} + +void spl_board_init(void) +{ + preloader_console_init(); + spl_dram_init(); + arch_cpu_init(); /* to configure mpu for sdram rw permissions */ +} + +u32 spl_boot_device(void) +{ + return BOOT_DEVICE_MMC1; +} +#endif + +u32 get_board_rev(void) +{ + return 0; +} + +int board_init(void) +{ + gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100; + + return 0; +} |