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
  16 /* DDR Configuration */
  17 #define CONFIG_SYS_SDRAM_BASE1          0x880000000
  18
  19 #ifdef CONFIG_SYS_K3_SPL_ATF
  20 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "tispl.bin"
  21 #endif
  22
  23 #ifndef CONFIG_CPU_V7R
  24 #define CONFIG_SKIP_LOWLEVEL_INIT
  25 #endif
  26
  27 #define CONFIG_SPL_MAX_SIZE             CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
  28 #if defined(CONFIG_TARGET_AM642_A53_EVM)
  29 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SPL_TEXT_BASE + \
  30                                         CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE - 4)
  31 #else
  32 /*
  33  * Maximum size in memory allocated to the SPL BSS. Keep it as tight as
  34  * possible (to allow the build to go through), as this directly affects
  35  * our memory footprint. The less we use for BSS the more we have available
  36  * for everything else.
  37  */
  38 #define CONFIG_SPL_BSS_MAX_SIZE         0x1000
  39 /*
  40  * Link BSS to be within SPL in a dedicated region located near the top of
  41  * the MCU SRAM, this way making it available also before relocation. Note
  42  * that we are not using the actual top of the MCU SRAM as there is a memory
  43  * location filled in by the boot ROM that we want to read out without any
  44  * interference from the C context.
  45  */
  46 #define CONFIG_SPL_BSS_START_ADDR       (CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX -\
  47                                          CONFIG_SPL_BSS_MAX_SIZE)
  48 /* Set the stack right below the SPL BSS section */
  49 #define CONFIG_SYS_INIT_SP_ADDR         CONFIG_SPL_BSS_START_ADDR
  50 /* Configure R5 SPL post-relocation malloc pool in DDR */
  51 #define CONFIG_SYS_SPL_MALLOC_START    0x84000000
  52 #define CONFIG_SYS_SPL_MALLOC_SIZE     SZ_16M
  53 #endif
  54
  55 #define PARTS_DEFAULT \
  56         /* Linux partitions */ \
  57         "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
  58
  59 /* U-Boot general configuration */
  60 #define EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
  61         "findfdt="                                                      \
  62                 "if test $board_name = am64x_gpevm; then " \
  63                         "setenv fdtfile k3-am642-evm.dtb; fi; " \
  64                 "if test $board_name = am64x_skevm; then " \
  65                         "setenv fdtfile k3-am642-sk.dtb; fi;" \
  66                 "if test $fdtfile = undefined; then " \
  67                         "echo WARNING: Could not determine device tree to use; fi; \0" \
  68         "name_kern=Image\0"                                             \
  69         "console=ttyS2,115200n8\0"                                      \
  70         "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000 "  \
  71                 "${mtdparts}\0"                                         \
  72         "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
  73
  74 /* U-Boot MMC-specific configuration */
  75 #define EXTRA_ENV_AM642_BOARD_SETTINGS_MMC                              \
  76         "boot=mmc\0"                                                    \
  77         "mmcdev=1\0"                                                    \
  78         "bootpart=1:2\0"                                                \
  79         "bootdir=/boot\0"                                               \
  80         "rd_spec=-\0"                                                   \
  81         "init_mmc=run args_all args_mmc\0"                              \
  82         "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  83         "get_overlay_mmc="                                              \
  84                 "fdt address ${fdtaddr};"                               \
  85                 "fdt resize 0x100000;"                                  \
  86                 "for overlay in $name_overlays;"                        \
  87                 "do;"                                                   \
  88                 "load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && "    \
  89                 "fdt apply ${dtboaddr};"                                \
  90                 "done;\0"                                               \
  91         "get_kern_mmc=load mmc ${bootpart} ${loadaddr} "                \
  92                 "${bootdir}/${name_kern}\0"                             \
  93         "get_fit_mmc=load mmc ${bootpart} ${addr_fit} "                 \
  94                 "${bootdir}/${name_fit}\0"                              \
  95         "partitions=" PARTS_DEFAULT
  96
  97 /* Incorporate settings into the U-Boot environment */
  98 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
  99         DEFAULT_LINUX_BOOT_ENV                                          \
 100         DEFAULT_MMC_TI_ARGS                                             \
 101         EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
 102         EXTRA_ENV_AM642_BOARD_SETTINGS_MMC
 103
 104 /* Now for the remaining common defines */
 105 #include <configs/ti_armv7_common.h>
 106
 107 /* MMC ENV related defines */
 108 #ifdef CONFIG_ENV_IS_IN_MMC
 109 #define CONFIG_SYS_MMC_ENV_DEV          0
 110 #define CONFIG_SYS_MMC_ENV_PART 1
 111 #endif
 112
 113 #endif /* __CONFIG_AM642_EVM_H */