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 #include <environment/ti/k3_dfu.h>
  17
  18 /* DDR Configuration */
  19 #define CONFIG_SYS_SDRAM_BASE1          0x880000000
  20
  21 #ifdef CONFIG_SYS_K3_SPL_ATF
  22 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "tispl.bin"
  23 #endif
  24
  25 #ifndef CONFIG_CPU_V7R
  26 #define CONFIG_SKIP_LOWLEVEL_INIT
  27 #endif
  28
  29 #define CONFIG_SPL_MAX_SIZE             CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
  30 #if defined(CONFIG_TARGET_AM642_A53_EVM)
  31 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SPL_TEXT_BASE + \
  32                                         CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE - 4)
  33 #else
  34 /*
  35  * Maximum size in memory allocated to the SPL BSS. Keep it as tight as
  36  * possible (to allow the build to go through), as this directly affects
  37  * our memory footprint. The less we use for BSS the more we have available
  38  * for everything else.
  39  */
  40 #define CONFIG_SPL_BSS_MAX_SIZE         0x1000
  41 /*
  42  * Link BSS to be within SPL in a dedicated region located near the top of
  43  * the MCU SRAM, this way making it available also before relocation. Note
  44  * that we are not using the actual top of the MCU SRAM as there is a memory
  45  * location filled in by the boot ROM that we want to read out without any
  46  * interference from the C context.
  47  */
  48 #define CONFIG_SPL_BSS_START_ADDR       (TI_SRAM_SCRATCH_BOARD_EEPROM_START -\
  49                                          CONFIG_SPL_BSS_MAX_SIZE)
  50 /* Set the stack right below the SPL BSS section */
  51 #define CONFIG_SYS_INIT_SP_ADDR         CONFIG_SPL_BSS_START_ADDR
  52 /* Configure R5 SPL post-relocation malloc pool in DDR */
  53 #define CONFIG_SYS_SPL_MALLOC_START    0x84000000
  54 #define CONFIG_SYS_SPL_MALLOC_SIZE     SZ_16M
  55 #endif
  56
  57 #define PARTS_DEFAULT \
  58         /* Linux partitions */ \
  59         "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
  60
  61 /* U-Boot general configuration */
  62 #define EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
  63         "findfdt="                                                      \
  64                 "if test $board_name = am64x_gpevm; then " \
  65                         "setenv fdtfile k3-am642-evm.dtb; fi; " \
  66                 "if test $board_name = am64x_skevm; then " \
  67                         "setenv fdtfile k3-am642-sk.dtb; fi;" \
  68                 "if test $fdtfile = undefined; then " \
  69                         "echo WARNING: Could not determine device tree to use; fi; \0" \
  70         "name_kern=Image\0"                                             \
  71         "console=ttyS2,115200n8\0"                                      \
  72         "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000 "  \
  73                 "${mtdparts}\0"                                         \
  74         "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
  75
  76 /* U-Boot MMC-specific configuration */
  77 #define EXTRA_ENV_AM642_BOARD_SETTINGS_MMC                              \
  78         "boot=mmc\0"                                                    \
  79         "mmcdev=1\0"                                                    \
  80         "bootpart=1:2\0"                                                \
  81         "bootdir=/boot\0"                                               \
  82         "rd_spec=-\0"                                                   \
  83         "init_mmc=run args_all args_mmc\0"                              \
  84         "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  85         "get_overlay_mmc="                                              \
  86                 "fdt address ${fdtaddr};"                               \
  87                 "fdt resize 0x100000;"                                  \
  88                 "for overlay in $name_overlays;"                        \
  89                 "do;"                                                   \
  90                 "load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && "    \
  91                 "fdt apply ${dtboaddr};"                                \
  92                 "done;\0"                                               \
  93         "get_kern_mmc=load mmc ${bootpart} ${loadaddr} "                \
  94                 "${bootdir}/${name_kern}\0"                             \
  95         "get_fit_mmc=load mmc ${bootpart} ${addr_fit} "                 \
  96                 "${bootdir}/${name_fit}\0"                              \
  97         "partitions=" PARTS_DEFAULT
  98
  99 #define EXTRA_ENV_DFUARGS \
 100         DFU_ALT_INFO_MMC \
 101         DFU_ALT_INFO_EMMC \
 102         DFU_ALT_INFO_RAM \
 103         DFU_ALT_INFO_OSPI
 104
 105 /* Incorporate settings into the U-Boot environment */
 106 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 107         DEFAULT_LINUX_BOOT_ENV                                          \
 108         DEFAULT_MMC_TI_ARGS                                             \
 109         EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
 110         EXTRA_ENV_AM642_BOARD_SETTINGS_MMC                              \
 111         EXTRA_ENV_DFUARGS
 112
 113 /* Now for the remaining common defines */
 114 #include <configs/ti_armv7_common.h>
 115
 116 #define CONFIG_SYS_USB_FAT_BOOT_PARTITION 1
 117
 118 #endif /* __CONFIG_AM642_EVM_H */