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 #ifdef CONFIG_SPL
  15 #include "imx7ulp_spl.h"
  16 #endif
  17
  18 #define CONFIG_BOARD_POSTCLK_INIT
  19 #define CONFIG_SYS_BOOTM_LEN            0x1000000
  20
  21 /*
  22  * Detect overlap between U-Boot image and environment area in build-time
  23  *
  24  * CONFIG_BOARD_SIZE_LIMIT = CONFIG_ENV_OFFSET - u-boot-dtb.imx offset
  25  * CONFIG_BOARD_SIZE_LIMIT = 768k - 1k = 767k = 785408
  26  *
  27  * Currently CONFIG_BOARD_SIZE_LIMIT does not handle expressions, so
  28  * write the direct value here
  29  */
  30 #define CONFIG_BOARD_SIZE_LIMIT         785408
  31 #define CONFIG_MMCROOT                  "/dev/mmcblk0p2"
  32
  33 /* Using ULP WDOG for reset */
  34 #define WDOG_BASE_ADDR                  WDG1_RBASE
  35
  36 #define CONFIG_SYS_HZ_CLOCK             1000000 /* Fixed at 1MHz from TSTMR */
  37
  38 /* UART */
  39 #define LPUART_BASE                     LPUART4_RBASE
  40
  41 /* Physical Memory Map */
  42
  43 #define PHYS_SDRAM                      0x60000000
  44 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM
  45
  46 #define CONFIG_EXTRA_ENV_SETTINGS \
  47         "image=zImage\0" \
  48         "console=ttyLP0\0" \
  49         "fdt_high=0xffffffff\0" \
  50         "initrd_high=0xffffffff\0" \
  51         "fdt_file=imx7ulp-com.dtb\0" \
  52         "fdt_addr=0x63000000\0" \
  53         "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
  54         "mmcpart=1\0" \
  55         "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
  56         "mmcargs=setenv bootargs console=${console},${baudrate} " \
  57                 "root=${mmcroot}\0" \
  58         "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
  59         "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
  60         "mmcboot=echo Booting from mmc ...; " \
  61                 "run mmcargs; " \
  62                 "if run loadfdt; then " \
  63                         "bootz ${loadaddr} - ${fdt_addr}; " \
  64                 "fi;\0" \
  65
  66 #define CONFIG_SYS_INIT_RAM_ADDR        IRAM_BASE_ADDR
  67 #define CONFIG_SYS_INIT_RAM_SIZE        SZ_256K
  68
  69 #define CONFIG_SYS_INIT_SP_OFFSET \
  70         (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
  71 #define CONFIG_SYS_INIT_SP_ADDR \
  72         (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
  73
  74 #define CONFIG_ARMV7_SECURE_BASE        0x2F000000
  75
  76 #define CONFIG_MXC_USB_PORTSC           (PORT_PTS_UTMI | PORT_PTS_PTW)
  77 #endif  /* __CONFIG_H */