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 #if !defined(CONFIG_TARGET_AM642_A53_EVM)
  22 /* Set the stack right below the SPL BSS section */
  23 /* Configure R5 SPL post-relocation malloc pool in DDR */
  24 #define CONFIG_SYS_SPL_MALLOC_START    0x84000000
  25 #define CONFIG_SYS_SPL_MALLOC_SIZE     SZ_16M
  26 #endif
  27
  28 #define PARTS_DEFAULT \
  29         /* Linux partitions */ \
  30         "name=rootfs,start=0,size=-,uuid=${uuid_gpt_rootfs}\0"
  31
  32 /* U-Boot general configuration */
  33 #define EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
  34         "findfdt="                                                      \
  35                 "if test $board_name = am64x_gpevm; then " \
  36                         "setenv fdtfile k3-am642-evm.dtb; fi; " \
  37                 "if test $board_name = am64x_skevm; then " \
  38                         "setenv fdtfile k3-am642-sk.dtb; fi;" \
  39                 "if test $fdtfile = undefined; then " \
  40                         "echo WARNING: Could not determine device tree to use; fi; \0" \
  41         "name_kern=Image\0"                                             \
  42         "console=ttyS2,115200n8\0"                                      \
  43         "args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000 "  \
  44                 "${mtdparts}\0"                                         \
  45         "run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
  46
  47 /* U-Boot MMC-specific configuration */
  48 #define EXTRA_ENV_AM642_BOARD_SETTINGS_MMC                              \
  49         "boot=mmc\0"                                                    \
  50         "mmcdev=1\0"                                                    \
  51         "bootpart=1:2\0"                                                \
  52         "bootdir=/boot\0"                                               \
  53         "rd_spec=-\0"                                                   \
  54         "init_mmc=run args_all args_mmc\0"                              \
  55         "get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  56         "get_overlay_mmc="                                              \
  57                 "fdt address ${fdtaddr};"                               \
  58                 "fdt resize 0x100000;"                                  \
  59                 "for overlay in $name_overlays;"                        \
  60                 "do;"                                                   \
  61                 "load mmc ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && "    \
  62                 "fdt apply ${dtboaddr};"                                \
  63                 "done;\0"                                               \
  64         "get_kern_mmc=load mmc ${bootpart} ${loadaddr} "                \
  65                 "${bootdir}/${name_kern}\0"                             \
  66         "get_fit_mmc=load mmc ${bootpart} ${addr_fit} "                 \
  67                 "${bootdir}/${name_fit}\0"                              \
  68         "partitions=" PARTS_DEFAULT
  69
  70 #define EXTRA_ENV_AM642_BOARD_SETTING_USBMSC                            \
  71         "args_usb=run finduuid;setenv bootargs console=${console} "     \
  72                 "${optargs} "                                           \
  73                 "root=PARTUUID=${uuid} rw "                             \
  74                 "rootfstype=${mmcrootfstype}\0"                         \
  75         "init_usb=run args_all args_usb\0"                              \
  76         "get_fdt_usb=load usb ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  77         "get_overlay_usb="                                              \
  78                 "fdt address ${fdtaddr};"                               \
  79                 "fdt resize 0x100000;"                                  \
  80                 "for overlay in $name_overlays;"                        \
  81                 "do;"                                                   \
  82                 "load usb ${bootpart} ${dtboaddr} ${bootdir}/${overlay} && "    \
  83                 "fdt apply ${dtboaddr};"                                \
  84                 "done;\0"                                               \
  85         "get_kern_usb=load usb ${bootpart} ${loadaddr} "                \
  86                 "${bootdir}/${name_kern}\0"                             \
  87         "get_fit_usb=load usb ${bootpart} ${addr_fit} "                 \
  88                 "${bootdir}/${name_fit}\0"                              \
  89         "usbboot=setenv boot usb;"                                      \
  90                 "setenv bootpart 0:2;"                                  \
  91                 "usb start;"                                            \
  92                 "run findfdt;"                                          \
  93                 "run init_usb;"                                         \
  94                 "run get_kern_usb;"                                     \
  95                 "run get_fdt_usb;"                                      \
  96                 "run run_kern\0"
  97
  98 #define EXTRA_ENV_DFUARGS \
  99         DFU_ALT_INFO_MMC \
 100         DFU_ALT_INFO_EMMC \
 101         DFU_ALT_INFO_RAM \
 102         DFU_ALT_INFO_OSPI
 103
 104 /* Incorporate settings into the U-Boot environment */
 105 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 106         DEFAULT_LINUX_BOOT_ENV                                          \
 107         DEFAULT_MMC_TI_ARGS                                             \
 108         EXTRA_ENV_AM642_BOARD_SETTINGS                                  \
 109         EXTRA_ENV_AM642_BOARD_SETTINGS_MMC                              \
 110         EXTRA_ENV_DFUARGS                                               \
 111         EXTRA_ENV_AM642_BOARD_SETTING_USBMSC
 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 */