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 <[email protected]>
   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 #if defined(CONFIG_TARGET_AM642_A53_EVM)
  22 #else
  23 /*
  24  * Link BSS to be within SPL in a dedicated region located near the top of
  25  * the MCU SRAM, this way making it available also before relocation. Note
  26  * that we are not using the actual top of the MCU SRAM as there is a memory
  27  * location filled in by the boot ROM that we want to read out without any
  28  * interference from the C context.
  29  */
  30 #define CONFIG_SPL_BSS_START_ADDR       (TI_SRAM_SCRATCH_BOARD_EEPROM_START -\
  31                                          CONFIG_SPL_BSS_MAX_SIZE)
  32 /* Set the stack right below the SPL BSS section */
  33 /* Configure R5 SPL post-relocation malloc pool in DDR */
  34 #define CONFIG_SYS_SPL_MALLOC_START    0x84000000
  35 #define CONFIG_SYS_SPL_MALLOC_SIZE     SZ_16M
  36 #endif
  37
  38 #define PARTS_DEFAULT \
  39         /* Linux partitions */ \
  40         "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
  41
  42 /* U-Boot general configuration */
  43 #define EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
  44         "findfdt="                                                      \
  45                 "if test $board_name = am64x_gpevm; then " \
  46                         "setenv fdtfile k3-am642-evm.dtb; fi; " \
  47                 "if test $board_name = am64x_skevm; then " \
  48                         "setenv fdtfile k3-am642-sk.dtb; fi;" \
  49                 "if test $fdtfile = undefined; then " \
  50                         "echo WARNING: Could not determine device tree to use; fi; \0" \
  51         "name_kern=Image\0"                                             \
  52         "console=ttyS2,115200n8\0"                                      \
  53         "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000 "  \
  54                 "${mtdparts}\0"                                         \
  55         "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
  56
  57 /* U-Boot MMC-specific configuration */
  58 #define EXTRA_ENV_AM642_BOARD_SETTINGS_MMC                              \
  59         "boot=mmc\0"                                                    \
  60         "mmcdev=1\0"                                                    \
  61         "bootpart=1:2\0"                                                \
  62         "bootdir=/boot\0"                                               \
  63         "rd_spec=-\0"                                                   \
  64         "init_mmc=run args_all args_mmc\0"                              \
  65         "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  66         "get_overlay_mmc="                                              \
  67                 "fdt address ${fdtaddr};"                               \
  68                 "fdt resize 0x100000;"                                  \
  69                 "for overlay in $name_overlays;"                        \
  70                 "do;"                                                   \
  71                 "load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && "    \
  72                 "fdt apply ${dtboaddr};"                                \
  73                 "done;\0"                                               \
  74         "get_kern_mmc=load mmc ${bootpart} ${loadaddr} "                \
  75                 "${bootdir}/${name_kern}\0"                             \
  76         "get_fit_mmc=load mmc ${bootpart} ${addr_fit} "                 \
  77                 "${bootdir}/${name_fit}\0"                              \
  78         "partitions=" PARTS_DEFAULT
  79
  80 #define EXTRA_ENV_AM642_BOARD_SETTING_USBMSC                            \
  81         "args_usb=run finduuid;setenv bootargs console=${console} "     \
  82                 "${optargs} "                                           \
  83                 "root=PARTUUID=${uuid} rw "                             \
  84                 "rootfstype=${mmcrootfstype}\0"                         \
  85         "init_usb=run args_all args_usb\0"                              \
  86         "get_fdt_usb=load usb ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  87         "get_overlay_usb="                                              \
  88                 "fdt address ${fdtaddr};"                               \
  89                 "fdt resize 0x100000;"                                  \
  90                 "for overlay in $name_overlays;"                        \
  91                 "do;"                                                   \
  92                 "load usb ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && "    \
  93                 "fdt apply ${dtboaddr};"                                \
  94                 "done;\0"                                               \
  95         "get_kern_usb=load usb ${bootpart} ${loadaddr} "                \
  96                 "${bootdir}/${name_kern}\0"                             \
  97         "get_fit_usb=load usb ${bootpart} ${addr_fit} "                 \
  98                 "${bootdir}/${name_fit}\0"                              \
  99         "usbboot=setenv boot usb;"                                      \
 100                 "setenv bootpart 0:2;"                                  \
 101                 "usb start;"                                            \
 102                 "run findfdt;"                                          \
 103                 "run init_usb;"                                         \
 104                 "run get_kern_usb;"                                     \
 105                 "run get_fdt_usb;"                                      \
 106                 "run run_kern\0"
 107
 108 #define EXTRA_ENV_DFUARGS \
 109         DFU_ALT_INFO_MMC \
 110         DFU_ALT_INFO_EMMC \
 111         DFU_ALT_INFO_RAM \
 112         DFU_ALT_INFO_OSPI
 113
 114 /* Incorporate settings into the U-Boot environment */
 115 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 116         DEFAULT_LINUX_BOOT_ENV                                          \
 117         DEFAULT_MMC_TI_ARGS                                             \
 118         EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
 119         EXTRA_ENV_AM642_BOARD_SETTINGS_MMC                              \
 120         EXTRA_ENV_DFUARGS                                               \
 121         EXTRA_ENV_AM642_BOARD_SETTING_USBMSC
 122
 123 /* Now for the remaining common defines */
 124 #include <configs/ti_armv7_common.h>
 125
 126 #define CONFIG_SYS_USB_FAT_BOOT_PARTITION 1
 127
 128 #endif /* __CONFIG_AM642_EVM_H */