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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