mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
5af71f2658
Now that single defconfig can be used for booting AM64 EVM and SK, default device tree will not work for selecting dtb for kernel. Update the env to select right dtb based on eeprom. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
114 lines
3.7 KiB
C
114 lines
3.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Configuration header file for K3 AM642 SoC family
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*
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* Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
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* Keerthy <j-keerthy@ti.com>
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*/
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#ifndef __CONFIG_AM642_EVM_H
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#define __CONFIG_AM642_EVM_H
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#include <linux/sizes.h>
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#include <config_distro_bootcmd.h>
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#include <environment/ti/mmc.h>
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/* DDR Configuration */
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#define CONFIG_SYS_SDRAM_BASE1 0x880000000
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#ifdef CONFIG_SYS_K3_SPL_ATF
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#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "tispl.bin"
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#endif
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#ifndef CONFIG_CPU_V7R
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#define CONFIG_SKIP_LOWLEVEL_INIT
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#endif
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#define CONFIG_SPL_MAX_SIZE CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
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#if defined(CONFIG_TARGET_AM642_A53_EVM)
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#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SPL_TEXT_BASE + \
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CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE - 4)
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#else
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/*
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* Maximum size in memory allocated to the SPL BSS. Keep it as tight as
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* possible (to allow the build to go through), as this directly affects
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* our memory footprint. The less we use for BSS the more we have available
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* for everything else.
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*/
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#define CONFIG_SPL_BSS_MAX_SIZE 0x1000
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/*
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* Link BSS to be within SPL in a dedicated region located near the top of
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* the MCU SRAM, this way making it available also before relocation. Note
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* that we are not using the actual top of the MCU SRAM as there is a memory
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* location filled in by the boot ROM that we want to read out without any
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* interference from the C context.
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*/
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#define CONFIG_SPL_BSS_START_ADDR (CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX -\
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CONFIG_SPL_BSS_MAX_SIZE)
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/* Set the stack right below the SPL BSS section */
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#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SPL_BSS_START_ADDR
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/* Configure R5 SPL post-relocation malloc pool in DDR */
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#define CONFIG_SYS_SPL_MALLOC_START 0x84000000
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#define CONFIG_SYS_SPL_MALLOC_SIZE SZ_16M
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#endif
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#define PARTS_DEFAULT \
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/* Linux partitions */ \
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"name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
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/* U-Boot general configuration */
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#define EXTRA_ENV_AM642_BOARD_SETTINGS \
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"findfdt=" \
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"if test $board_name = am64x_gpevm; then " \
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"setenv fdtfile k3-am642-evm.dtb; fi; " \
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"if test $board_name = am64x_skevm; then " \
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"setenv fdtfile k3-am642-sk.dtb; fi;" \
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"if test $fdtfile = undefined; then " \
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"echo WARNING: Could not determine device tree to use; fi; \0" \
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"name_kern=Image\0" \
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"console=ttyS2,115200n8\0" \
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"args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000 " \
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"${mtdparts}\0" \
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"run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
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/* U-Boot MMC-specific configuration */
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#define EXTRA_ENV_AM642_BOARD_SETTINGS_MMC \
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"boot=mmc\0" \
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"mmcdev=1\0" \
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"bootpart=1:2\0" \
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"bootdir=/boot\0" \
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"rd_spec=-\0" \
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"init_mmc=run args_all args_mmc\0" \
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"get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
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"get_overlay_mmc=" \
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"fdt address ${fdtaddr};" \
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"fdt resize 0x100000;" \
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"for overlay in $name_overlays;" \
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"do;" \
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"load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && " \
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"fdt apply ${dtboaddr};" \
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"done;\0" \
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"get_kern_mmc=load mmc ${bootpart} ${loadaddr} " \
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"${bootdir}/${name_kern}\0" \
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"get_fit_mmc=load mmc ${bootpart} ${addr_fit} " \
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"${bootdir}/${name_fit}\0" \
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"partitions=" PARTS_DEFAULT
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/* Incorporate settings into the U-Boot environment */
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#define CONFIG_EXTRA_ENV_SETTINGS \
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DEFAULT_LINUX_BOOT_ENV \
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DEFAULT_MMC_TI_ARGS \
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EXTRA_ENV_AM642_BOARD_SETTINGS \
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EXTRA_ENV_AM642_BOARD_SETTINGS_MMC
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/* Now for the remaining common defines */
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#include <configs/ti_armv7_common.h>
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/* MMC ENV related defines */
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#ifdef CONFIG_ENV_IS_IN_MMC
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#define CONFIG_SYS_MMC_ENV_DEV 0
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#define CONFIG_SYS_MMC_ENV_PART 1
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#endif
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#endif /* __CONFIG_AM642_EVM_H */
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