LXR uboot/include/configs/mx7ulp

   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#define CONFIG_INITRD_TAG
  36#define CONFIG_CMDLINE_TAG
  37#define CONFIG_SETUP_MEMORY_TAGS
  38
  39/* Size of malloc() pool */
  40#define CONFIG_SYS_MALLOC_LEN           (8 * SZ_1M)
  41
  42/* UART */
  43#define LPUART_BASE                     LPUART4_RBASE
  44
  45/* Physical Memory Map */
  46
  47#define PHYS_SDRAM                      0x60000000
  48#define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM
  49
  50#define CONFIG_LOADADDR                 0x60800000
  51
  52#define CONFIG_EXTRA_ENV_SETTINGS \
  53        "image=zImage\0" \
  54        "console=ttyLP0\0" \
  55        "fdt_high=0xffffffff\0" \
  56        "initrd_high=0xffffffff\0" \
  57        "fdt_file=imx7ulp-com.dtb\0" \
  58        "fdt_addr=0x63000000\0" \
  59        "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
  60        "mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
  61        "mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
  62        "mmcargs=setenv bootargs console=${console},${baudrate} " \
  63                "root=${mmcroot}\0" \
  64        "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
  65        "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
  66        "mmcboot=echo Booting from mmc ...; " \
  67                "run mmcargs; " \
  68                "if run loadfdt; then " \
  69                        "bootz ${loadaddr} - ${fdt_addr}; " \
  70                "fi;\0" \
  71
  72#define CONFIG_BOOTCOMMAND \
  73        "if run loadimage; then " \
  74                "run mmcboot; " \
  75        "fi; " \
  76
  77#define CONFIG_SYS_LOAD_ADDR            CONFIG_LOADADDR
  78
  79#define CONFIG_SYS_INIT_RAM_ADDR        IRAM_BASE_ADDR
  80#define CONFIG_SYS_INIT_RAM_SIZE        SZ_256K
  81
  82#define CONFIG_SYS_INIT_SP_OFFSET \
  83        (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
  84#define CONFIG_SYS_INIT_SP_ADDR \
  85        (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
  86
  87#define CONFIG_MXC_USB_PORTSC           (PORT_PTS_UTMI | PORT_PTS_PTW)
  88#endif  /* __CONFIG_H */
  89