include/configs/am65x_evm.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Configuration header file for K3 AM654 EVM
   4  *
   5  * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
   6  *      Lokesh Vutla <lokeshvutla@ti.com>
   7  */
   8
   9 #ifndef __CONFIG_AM654_EVM_H
  10 #define __CONFIG_AM654_EVM_H
  11
  12 #include <linux/sizes.h>
  13 #include <config_distro_bootcmd.h>
  14 #include <environment/ti/mmc.h>
  15
  16 #define CONFIG_ENV_SIZE                 (128 << 10)
  17
  18 /* DDR Configuration */
  19 #define CONFIG_SYS_SDRAM_BASE1          0x880000000
  20
  21 /* SPL Loader Configuration */
  22 #ifdef CONFIG_TARGET_AM654_A53_EVM
  23 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SPL_TEXT_BASE + \
  24                                          CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE)
  25 #else
  26 /*
  27  * Maximum size in memory allocated to the SPL BSS. Keep it as tight as
  28  * possible (to allow the build to go through), as this directly affects
  29  * our memory footprint. The less we use for BSS the more we have available
  30  * for everything else.
  31  */
  32 #define CONFIG_SPL_BSS_MAX_SIZE         0x5000
  33 /*
  34  * Link BSS to be within SPL in a dedicated region located near the top of
  35  * the MCU SRAM, this way making it available also before relocation. Note
  36  * that we are not using the actual top of the MCU SRAM as there is a memory
  37  * location filled in by the boot ROM that we want to read out without any
  38  * interference from the C context.
  39  */
  40 #define CONFIG_SPL_BSS_START_ADDR       (CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX -\
  41                                          CONFIG_SPL_BSS_MAX_SIZE)
  42 /* Set the stack right below the SPL BSS section */
  43 #define CONFIG_SYS_INIT_SP_ADDR         CONFIG_SPL_BSS_START_ADDR
  44 /* Configure R5 SPL post-relocation malloc pool in DDR */
  45 #define CONFIG_SYS_SPL_MALLOC_START     0x84000000
  46 #define CONFIG_SYS_SPL_MALLOC_SIZE      SZ_16M
  47 #endif
  48
  49 #ifdef CONFIG_SYS_K3_SPL_ATF
  50 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "tispl.bin"
  51 #endif
  52
  53 #ifndef CONFIG_CPU_V7R
  54 #define CONFIG_SKIP_LOWLEVEL_INIT
  55 #endif
  56
  57 #define CONFIG_SPL_MAX_SIZE             CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
  58
  59 #define CONFIG_SYS_BOOTM_LEN            SZ_64M
  60
  61 #define PARTS_DEFAULT \
  62         /* Linux partitions */ \
  63         "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
  64
  65 /* U-Boot general configuration */
  66 #define EXTRA_ENV_AM65X_BOARD_SETTINGS                                  \
  67         "findfdt="                                                      \
  68                 "setenv name_fdt k3-am654-base-board.dtb;"              \
  69                 "setenv fdtfile ${name_fdt};"                           \
  70                 "setenv overlay_files ${name_overlays}\0"               \
  71         "loadaddr=0x80080000\0"                                         \
  72         "fdtaddr=0x82000000\0"                                          \
  73         "overlayaddr=0x83000000\0"                                      \
  74         "name_kern=Image\0"                                             \
  75         "console=ttyS2,115200n8\0"                                      \
  76         "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000\0" \
  77         "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"            \
  78
  79 /* U-Boot MMC-specific configuration */
  80 #define EXTRA_ENV_AM65X_BOARD_SETTINGS_MMC                              \
  81         "boot=mmc\0"                                                    \
  82         "mmcdev=1\0"                                                    \
  83         "bootpart=1:2\0"                                                \
  84         "bootdir=/boot\0"                                               \
  85         "rd_spec=-\0"                                                   \
  86         "init_mmc=run args_all args_mmc\0"                              \
  87         "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${name_fdt}\0" \
  88         "get_overlay_mmc="                                              \
  89                 "fdt address ${fdtaddr};"                               \
  90                 "fdt resize 0x100000;"                                  \
  91                 "for overlay in $overlay_files;"                        \
  92                 "do;"                                                   \
  93                 "load mmc ${bootpart} ${overlayaddr} ${bootdir}/${overlay};"    \
  94                 "fdt apply ${overlayaddr};"                             \
  95                 "done;\0"                                               \
  96         "get_kern_mmc=load mmc ${bootpart} ${loadaddr} "                \
  97                 "${bootdir}/${name_kern}\0"                             \
  98         "partitions=" PARTS_DEFAULT
  99
 100 /* Incorporate settings into the U-Boot environment */
 101 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 102         DEFAULT_MMC_TI_ARGS                                             \
 103         EXTRA_ENV_AM65X_BOARD_SETTINGS                                  \
 104         EXTRA_ENV_AM65X_BOARD_SETTINGS_MMC
 105
 106 /* MMC ENV related defines */
 107 #ifdef CONFIG_ENV_IS_IN_MMC
 108 #define CONFIG_SYS_MMC_ENV_DEV          0
 109 #define CONFIG_SYS_MMC_ENV_PART 1
 110 #define CONFIG_ENV_SIZE         (128 << 10)
 111 #define CONFIG_ENV_OFFSET               0x680000
 112 #define CONFIG_ENV_OFFSET_REDUND        (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
 113 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
 114 #endif
 115
 116 #define CONFIG_SUPPORT_EMMC_BOOT
 117
 118 /* Now for the remaining common defines */
 119 #include <configs/ti_armv7_common.h>
 120
 121 #endif /* __CONFIG_AM654_EVM_H */