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