include/configs/am64x_evm.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Configuration header file for K3 AM642 SoC family
   4  *
   5  * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
   6  *      Keerthy <j-keerthy@ti.com>
   7  */
   8
   9 #ifndef __CONFIG_AM642_EVM_H
  10 #define __CONFIG_AM642_EVM_H
  11
  12 #include <linux/sizes.h>
  13 #include <config_distro_bootcmd.h>
  14 #include <environment/ti/mmc.h>
  15 #include <asm/arch/am64_hardware.h>
  16
  17 /* DDR Configuration */
  18 #define CONFIG_SYS_SDRAM_BASE1          0x880000000
  19
  20 #ifdef CONFIG_SYS_K3_SPL_ATF
  21 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "tispl.bin"
  22 #endif
  23
  24 #ifndef CONFIG_CPU_V7R
  25 #define CONFIG_SKIP_LOWLEVEL_INIT
  26 #endif
  27
  28 #define CONFIG_SPL_MAX_SIZE             CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
  29 #if defined(CONFIG_TARGET_AM642_A53_EVM)
  30 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SPL_TEXT_BASE + \
  31                                         CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE - 4)
  32 #else
  33 /*
  34  * Maximum size in memory allocated to the SPL BSS. Keep it as tight as
  35  * possible (to allow the build to go through), as this directly affects
  36  * our memory footprint. The less we use for BSS the more we have available
  37  * for everything else.
  38  */
  39 #define CONFIG_SPL_BSS_MAX_SIZE         0x1000
  40 /*
  41  * Link BSS to be within SPL in a dedicated region located near the top of
  42  * the MCU SRAM, this way making it available also before relocation. Note
  43  * that we are not using the actual top of the MCU SRAM as there is a memory
  44  * location filled in by the boot ROM that we want to read out without any
  45  * interference from the C context.
  46  */
  47 #define CONFIG_SPL_BSS_START_ADDR       (TI_SRAM_SCRATCH_BOARD_EEPROM_START -\
  48                                          CONFIG_SPL_BSS_MAX_SIZE)
  49 /* Set the stack right below the SPL BSS section */
  50 #define CONFIG_SYS_INIT_SP_ADDR         CONFIG_SPL_BSS_START_ADDR
  51 /* Configure R5 SPL post-relocation malloc pool in DDR */
  52 #define CONFIG_SYS_SPL_MALLOC_START    0x84000000
  53 #define CONFIG_SYS_SPL_MALLOC_SIZE     SZ_16M
  54 #endif
  55
  56 #define PARTS_DEFAULT \
  57         /* Linux partitions */ \
  58         "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
  59
  60 /* U-Boot general configuration */
  61 #define EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
  62         "findfdt="                                                      \
  63                 "if test $board_name = am64x_gpevm; then " \
  64                         "setenv fdtfile k3-am642-evm.dtb; fi; " \
  65                 "if test $board_name = am64x_skevm; then " \
  66                         "setenv fdtfile k3-am642-sk.dtb; fi;" \
  67                 "if test $fdtfile = undefined; then " \
  68                         "echo WARNING: Could not determine device tree to use; fi; \0" \
  69         "name_kern=Image\0"                                             \
  70         "console=ttyS2,115200n8\0"                                      \
  71         "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000 "  \
  72                 "${mtdparts}\0"                                         \
  73         "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
  74
  75 /* U-Boot MMC-specific configuration */
  76 #define EXTRA_ENV_AM642_BOARD_SETTINGS_MMC                              \
  77         "boot=mmc\0"                                                    \
  78         "mmcdev=1\0"                                                    \
  79         "bootpart=1:2\0"                                                \
  80         "bootdir=/boot\0"                                               \
  81         "rd_spec=-\0"                                                   \
  82         "init_mmc=run args_all args_mmc\0"                              \
  83         "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  84         "get_overlay_mmc="                                              \
  85                 "fdt address ${fdtaddr};"                               \
  86                 "fdt resize 0x100000;"                                  \
  87                 "for overlay in $name_overlays;"                        \
  88                 "do;"                                                   \
  89                 "load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && "    \
  90                 "fdt apply ${dtboaddr};"                                \
  91                 "done;\0"                                               \
  92         "get_kern_mmc=load mmc ${bootpart} ${loadaddr} "                \
  93                 "${bootdir}/${name_kern}\0"                             \
  94         "get_fit_mmc=load mmc ${bootpart} ${addr_fit} "                 \
  95                 "${bootdir}/${name_fit}\0"                              \
  96         "partitions=" PARTS_DEFAULT
  97
  98 /* Incorporate settings into the U-Boot environment */
  99 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 100         DEFAULT_LINUX_BOOT_ENV                                          \
 101         DEFAULT_MMC_TI_ARGS                                             \
 102         EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
 103         EXTRA_ENV_AM642_BOARD_SETTINGS_MMC
 104
 105 /* Now for the remaining common defines */
 106 #include <configs/ti_armv7_common.h>
 107
 108 /* MMC ENV related defines */
 109 #ifdef CONFIG_ENV_IS_IN_MMC
 110 #define CONFIG_SYS_MMC_ENV_DEV          0
 111 #define CONFIG_SYS_MMC_ENV_PART 1
 112 #endif
 113
 114 #endif /* __CONFIG_AM642_EVM_H */