diff options
Diffstat (limited to 'roms/u-boot/include/configs/am64x_evm.h')
| -rw-r--r-- | roms/u-boot/include/configs/am64x_evm.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/roms/u-boot/include/configs/am64x_evm.h b/roms/u-boot/include/configs/am64x_evm.h new file mode 100644 index 000000000..7c30e50c5 --- /dev/null +++ b/roms/u-boot/include/configs/am64x_evm.h @@ -0,0 +1,113 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Configuration header file for K3 AM642 SoC family + * + * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/ + * Keerthy <j-keerthy@ti.com> + */ + +#ifndef __CONFIG_AM642_EVM_H +#define __CONFIG_AM642_EVM_H + +#include <linux/sizes.h> +#include <config_distro_bootcmd.h> +#include <environment/ti/mmc.h> + +/* DDR Configuration */ +#define CONFIG_SYS_SDRAM_BASE1 0x880000000 + +#ifdef CONFIG_SYS_K3_SPL_ATF +#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "tispl.bin" +#endif + +#ifndef CONFIG_CPU_V7R +#define CONFIG_SKIP_LOWLEVEL_INIT +#endif + +#define CONFIG_SPL_MAX_SIZE CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE +#if defined(CONFIG_TARGET_AM642_A53_EVM) +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SPL_TEXT_BASE + \ + CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE - 4) +#else +/* + * Maximum size in memory allocated to the SPL BSS. Keep it as tight as + * possible (to allow the build to go through), as this directly affects + * our memory footprint. The less we use for BSS the more we have available + * for everything else. + */ +#define CONFIG_SPL_BSS_MAX_SIZE 0x1000 +/* + * Link BSS to be within SPL in a dedicated region located near the top of + * the MCU SRAM, this way making it available also before relocation. Note + * that we are not using the actual top of the MCU SRAM as there is a memory + * location filled in by the boot ROM that we want to read out without any + * interference from the C context. + */ +#define CONFIG_SPL_BSS_START_ADDR (CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX -\ + CONFIG_SPL_BSS_MAX_SIZE) +/* Set the stack right below the SPL BSS section */ +#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SPL_BSS_START_ADDR +/* Configure R5 SPL post-relocation malloc pool in DDR */ +#define CONFIG_SYS_SPL_MALLOC_START 0x84000000 +#define CONFIG_SYS_SPL_MALLOC_SIZE SZ_16M +#endif + +#define PARTS_DEFAULT \ + /* Linux partitions */ \ + "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0" + +/* U-Boot general configuration */ +#define EXTRA_ENV_AM642_BOARD_SETTINGS \ + "findfdt=" \ + "if test $board_name = am64x_gpevm; then " \ + "setenv fdtfile k3-am642-evm.dtb; fi; " \ + "if test $board_name = am64x_skevm; then " \ + "setenv fdtfile k3-am642-sk.dtb; fi;" \ + "if test $fdtfile = undefined; then " \ + "echo WARNING: Could not determine device tree to use; fi; \0" \ + "name_kern=Image\0" \ + "console=ttyS2,115200n8\0" \ + "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000 " \ + "${mtdparts}\0" \ + "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0" + +/* U-Boot MMC-specific configuration */ +#define EXTRA_ENV_AM642_BOARD_SETTINGS_MMC \ + "boot=mmc\0" \ + "mmcdev=1\0" \ + "bootpart=1:2\0" \ + "bootdir=/boot\0" \ + "rd_spec=-\0" \ + "init_mmc=run args_all args_mmc\0" \ + "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \ + "get_overlay_mmc=" \ + "fdt address ${fdtaddr};" \ + "fdt resize 0x100000;" \ + "for overlay in $name_overlays;" \ + "do;" \ + "load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && " \ + "fdt apply ${dtboaddr};" \ + "done;\0" \ + "get_kern_mmc=load mmc ${bootpart} ${loadaddr} " \ + "${bootdir}/${name_kern}\0" \ + "get_fit_mmc=load mmc ${bootpart} ${addr_fit} " \ + "${bootdir}/${name_fit}\0" \ + "partitions=" PARTS_DEFAULT + +/* Incorporate settings into the U-Boot environment */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + DEFAULT_LINUX_BOOT_ENV \ + DEFAULT_MMC_TI_ARGS \ + EXTRA_ENV_AM642_BOARD_SETTINGS \ + EXTRA_ENV_AM642_BOARD_SETTINGS_MMC + +/* Now for the remaining common defines */ +#include <configs/ti_armv7_common.h> + +/* MMC ENV related defines */ +#ifdef CONFIG_ENV_IS_IN_MMC +#define CONFIG_SYS_MMC_ENV_DEV 0 +#define CONFIG_SYS_MMC_ENV_PART 1 +#endif + +#endif /* __CONFIG_AM642_EVM_H */ |