| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Configuration header file for K3 AM654 EVM |
| * |
| * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/ |
| * Lokesh Vutla <lokeshvutla@ti.com> |
| */ |
| |
| #ifndef __CONFIG_AM654_EVM_H |
| #define __CONFIG_AM654_EVM_H |
| |
| #include <linux/sizes.h> |
| #include <config_distro_bootcmd.h> |
| #include <environment/ti/mmc.h> |
| |
| #define CONFIG_ENV_SIZE (128 << 10) |
| |
| /* DDR Configuration */ |
| #define CONFIG_SYS_SDRAM_BASE1 0x880000000 |
| |
| /* SPL Loader Configuration */ |
| #ifdef CONFIG_TARGET_AM654_A53_EVM |
| #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SPL_TEXT_BASE + \ |
| CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE) |
| #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 0x5000 |
| /* |
| * 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 |
| |
| #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 |
| |
| #define CONFIG_SYS_BOOTM_LEN SZ_64M |
| |
| #define PARTS_DEFAULT \ |
| /* Linux partitions */ \ |
| "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0" |
| |
| /* U-Boot general configuration */ |
| #define EXTRA_ENV_AM65X_BOARD_SETTINGS \ |
| "findfdt=" \ |
| "if test $board_name = am65x; then " \ |
| "setenv name_fdt k3-am654-base-board.dtb; " \ |
| "else if test $name_fdt = undefined; then " \ |
| "echo WARNING: Could not determine device tree to use;"\ |
| "fi; fi; " \ |
| "setenv fdtfile ${name_fdt}\0" \ |
| "loadaddr=0x80080000\0" \ |
| "fdtaddr=0x82000000\0" \ |
| "name_kern=Image\0" \ |
| "console=ttyS2,115200n8\0" \ |
| "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000\0" \ |
| "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0" \ |
| |
| /* U-Boot MMC-specific configuration */ |
| #define EXTRA_ENV_AM65X_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} ${bootdir}/${name_fdt}\0" \ |
| "get_kern_mmc=load mmc ${bootpart} ${loadaddr} " \ |
| "${bootdir}/${name_kern}\0" \ |
| "partitions=" PARTS_DEFAULT |
| |
| /* Incorporate settings into the U-Boot environment */ |
| #define CONFIG_EXTRA_ENV_SETTINGS \ |
| DEFAULT_MMC_TI_ARGS \ |
| EXTRA_ENV_AM65X_BOARD_SETTINGS \ |
| EXTRA_ENV_AM65X_BOARD_SETTINGS_MMC |
| |
| /* MMC ENV related defines */ |
| #ifdef CONFIG_ENV_IS_IN_MMC |
| #define CONFIG_SYS_MMC_ENV_DEV 0 |
| #define CONFIG_SYS_MMC_ENV_PART 1 |
| #define CONFIG_ENV_SIZE (128 << 10) |
| #define CONFIG_ENV_OFFSET 0x680000 |
| #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) |
| #define CONFIG_SYS_REDUNDAND_ENVIRONMENT |
| #endif |
| |
| #define CONFIG_SUPPORT_EMMC_BOOT |
| |
| /* Now for the remaining common defines */ |
| #include <configs/ti_armv7_common.h> |
| |
| #endif /* __CONFIG_AM654_EVM_H */ |