include/configs/mx7ulp_com.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (C) 2016 Freescale Semiconductor, Inc.
   4  *
   5  * Configuration settings for the Embedded Artists i.MX7ULP COM board.
   6  */
   7
   8 #ifndef __MX7ULP_COM_CONFIG_H
   9 #define __MX7ULP_COM_CONFIG_H
  10
  11 #include <linux/sizes.h>
  12 #include <asm/arch/imx-regs.h>
  13
  14 #define CONFIG_BOARD_POSTCLK_INIT
  15 #define CONFIG_SYS_BOOTM_LEN            0x1000000
  16
  17 /*
  18  * Detect overlap between U-Boot image and environment area in build-time
  19  *
  20  * CONFIG_BOARD_SIZE_LIMIT = CONFIG_ENV_OFFSET - u-boot-dtb.imx offset
  21  * CONFIG_BOARD_SIZE_LIMIT = 768k - 1k = 767k = 785408
  22  *
  23  * Currently CONFIG_BOARD_SIZE_LIMIT does not handle expressions, so
  24  * write the direct value here
  25  */
  26 #define CONFIG_BOARD_SIZE_LIMIT         785408
  27 #define CONFIG_MMCROOT                  "/dev/mmcblk0p2"
  28 #define CONFIG_SYS_MMC_IMG_LOAD_PART    1
  29
  30 /* Using ULP WDOG for reset */
  31 #define WDOG_BASE_ADDR                  WDG1_RBASE
  32
  33 #define CONFIG_SYS_HZ_CLOCK             1000000 /* Fixed at 1MHz from TSTMR */
  34
  35 /* UART */
  36 #define LPUART_BASE                     LPUART4_RBASE
  37
  38 /* Physical Memory Map */
  39
  40 #define PHYS_SDRAM                      0x60000000
  41 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM
  42
  43 #define CONFIG_EXTRA_ENV_SETTINGS \
  44         "image=zImage\0" \
  45         "console=ttyLP0\0" \
  46         "fdt_high=0xffffffff\0" \
  47         "initrd_high=0xffffffff\0" \
  48         "fdt_file=imx7ulp-com.dtb\0" \
  49         "fdt_addr=0x63000000\0" \
  50         "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
  51         "mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
  52         "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
  53         "mmcargs=setenv bootargs console=${console},${baudrate} " \
  54                 "root=${mmcroot}\0" \
  55         "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
  56         "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
  57         "mmcboot=echo Booting from mmc ...; " \
  58                 "run mmcargs; " \
  59                 "if run loadfdt; then " \
  60                         "bootz ${loadaddr} - ${fdt_addr}; " \
  61                 "fi;\0" \
  62
  63 #define CONFIG_BOOTCOMMAND \
  64         "if run loadimage; then " \
  65                 "run mmcboot; " \
  66         "fi; " \
  67
  68 #define CONFIG_SYS_INIT_RAM_ADDR        IRAM_BASE_ADDR
  69 #define CONFIG_SYS_INIT_RAM_SIZE        SZ_256K
  70
  71 #define CONFIG_SYS_INIT_SP_OFFSET \
  72         (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
  73 #define CONFIG_SYS_INIT_SP_ADDR \
  74         (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
  75
  76 #define CONFIG_MXC_USB_PORTSC           (PORT_PTS_UTMI | PORT_PTS_PTW)
  77 #endif  /* __CONFIG_H */