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 #define CONFIG_SPL_MAX_SIZE             CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
  26 #if defined(CONFIG_TARGET_AM642_A53_EVM)
  27 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SPL_TEXT_BASE + SZ_4M)
  28 #else
  29 /*
  30  * Maximum size in memory allocated to the SPL BSS. Keep it as tight as
  31  * possible (to allow the build to go through), as this directly affects
  32  * our memory footprint. The less we use for BSS the more we have available
  33  * for everything else.
  34  */
  35 #define CONFIG_SPL_BSS_MAX_SIZE         0x4000
  36 /*
  37  * Link BSS to be within SPL in a dedicated region located near the top of
  38  * the MCU SRAM, this way making it available also before relocation. Note
  39  * that we are not using the actual top of the MCU SRAM as there is a memory
  40  * location filled in by the boot ROM that we want to read out without any
  41  * interference from the C context.
  42  */
  43 #define CONFIG_SPL_BSS_START_ADDR       (TI_SRAM_SCRATCH_BOARD_EEPROM_START -\
  44                                          CONFIG_SPL_BSS_MAX_SIZE)
  45 /* Set the stack right below the SPL BSS section */
  46 #define CONFIG_SYS_INIT_SP_ADDR         CONFIG_SPL_BSS_START_ADDR
  47 /* Configure R5 SPL post-relocation malloc pool in DDR */
  48 #define CONFIG_SYS_SPL_MALLOC_START    0x84000000
  49 #define CONFIG_SYS_SPL_MALLOC_SIZE     SZ_16M
  50 #endif
  51
  52 #define PARTS_DEFAULT \
  53         /* Linux partitions */ \
  54         "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
  55
  56 /* U-Boot general configuration */
  57 #define EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
  58         "findfdt="                                                      \
  59                 "if test $board_name = am64x_gpevm; then " \
  60                         "setenv fdtfile k3-am642-evm.dtb; fi; " \
  61                 "if test $board_name = am64x_skevm; then " \
  62                         "setenv fdtfile k3-am642-sk.dtb; fi;" \
  63                 "if test $fdtfile = undefined; then " \
  64                         "echo WARNING: Could not determine device tree to use; fi; \0" \
  65         "name_kern=Image\0"                                             \
  66         "console=ttyS2,115200n8\0"                                      \
  67         "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000 "  \
  68                 "${mtdparts}\0"                                         \
  69         "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
  70
  71 /* U-Boot MMC-specific configuration */
  72 #define EXTRA_ENV_AM642_BOARD_SETTINGS_MMC                              \
  73         "boot=mmc\0"                                                    \
  74         "mmcdev=1\0"                                                    \
  75         "bootpart=1:2\0"                                                \
  76         "bootdir=/boot\0"                                               \
  77         "rd_spec=-\0"                                                   \
  78         "init_mmc=run args_all args_mmc\0"                              \
  79         "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  80         "get_overlay_mmc="                                              \
  81                 "fdt address ${fdtaddr};"                               \
  82                 "fdt resize 0x100000;"                                  \
  83                 "for overlay in $name_overlays;"                        \
  84                 "do;"                                                   \
  85                 "load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && "    \
  86                 "fdt apply ${dtboaddr};"                                \
  87                 "done;\0"                                               \
  88         "get_kern_mmc=load mmc ${bootpart} ${loadaddr} "                \
  89                 "${bootdir}/${name_kern}\0"                             \
  90         "get_fit_mmc=load mmc ${bootpart} ${addr_fit} "                 \
  91                 "${bootdir}/${name_fit}\0"                              \
  92         "partitions=" PARTS_DEFAULT
  93
  94 #define EXTRA_ENV_AM642_BOARD_SETTING_USBMSC                            \
  95         "args_usb=run finduuid;setenv bootargs console=${console} "     \
  96                 "${optargs} "                                           \
  97                 "root=PARTUUID=${uuid} rw "                             \
  98                 "rootfstype=${mmcrootfstype}\0"                         \
  99         "init_usb=run args_all args_usb\0"                              \
 100         "get_fdt_usb=load usb ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
 101         "get_overlay_usb="                                              \
 102                 "fdt address ${fdtaddr};"                               \
 103                 "fdt resize 0x100000;"                                  \
 104                 "for overlay in $name_overlays;"                        \
 105                 "do;"                                                   \
 106                 "load usb ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && "    \
 107                 "fdt apply ${dtboaddr};"                                \
 108                 "done;\0"                                               \
 109         "get_kern_usb=load usb ${bootpart} ${loadaddr} "                \
 110                 "${bootdir}/${name_kern}\0"                             \
 111         "get_fit_usb=load usb ${bootpart} ${addr_fit} "                 \
 112                 "${bootdir}/${name_fit}\0"                              \
 113         "usbboot=setenv boot usb;"                                      \
 114                 "setenv bootpart 0:2;"                                  \
 115                 "usb start;"                                            \
 116                 "run findfdt;"                                          \
 117                 "run init_usb;"                                         \
 118                 "run get_kern_usb;"                                     \
 119                 "run get_fdt_usb;"                                      \
 120                 "run run_kern\0"
 121
 122 #define EXTRA_ENV_DFUARGS \
 123         DFU_ALT_INFO_MMC \
 124         DFU_ALT_INFO_EMMC \
 125         DFU_ALT_INFO_RAM \
 126         DFU_ALT_INFO_OSPI
 127
 128 /* Incorporate settings into the U-Boot environment */
 129 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 130         DEFAULT_LINUX_BOOT_ENV                                          \
 131         DEFAULT_MMC_TI_ARGS                                             \
 132         EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
 133         EXTRA_ENV_AM642_BOARD_SETTINGS_MMC                              \
 134         EXTRA_ENV_DFUARGS                                               \
 135         EXTRA_ENV_AM642_BOARD_SETTING_USBMSC
 136
 137 /* Now for the remaining common defines */
 138 #include <configs/ti_armv7_common.h>
 139
 140 #define CONFIG_SYS_USB_FAT_BOOT_PARTITION 1
 141
 142 #endif /* __CONFIG_AM642_EVM_H */