include/configs/sam9x60ek.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Configuation settings for the SAM9X60EK board.
   4  *
   5  * Copyright (C) 2018 Microchip Technology Inc. and its subsidiaries
   6  *
   7  * Author: Sandeep Sheriker M <sandeep.sheriker@microchip.com>
   8  */
   9
  10 #ifndef __CONFIG_H__
  11 #define __CONFIG_H__
  12
  13 /* ARM asynchronous clock */
  14 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
  15 #define CONFIG_SYS_AT91_MAIN_CLOCK      24000000        /* 24 MHz crystal */
  16
  17 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
  18 #define CONFIG_SETUP_MEMORY_TAGS
  19 #define CONFIG_INITRD_TAG
  20 #define CONFIG_SKIP_LOWLEVEL_INIT
  21
  22 #define CONFIG_USART_BASE   ATMEL_BASE_DBGU
  23 #define CONFIG_USART_ID     0 /* ignored in arm */
  24
  25 /* general purpose I/O */
  26 #define CONFIG_ATMEL_LEGACY            /* required until (g)pio is fixed */
  27
  28 /*
  29  * BOOTP options
  30  */
  31 #define CONFIG_BOOTP_BOOTFILESIZE
  32
  33 /*
  34  * define CONFIG_USB_EHCI_HCD to enable USB Hi-Speed (aka 2.0)
  35  * NB: in this case, USB 1.1 devices won't be recognized.
  36  */
  37
  38 /* SDRAM */
  39 #define CONFIG_SYS_SDRAM_BASE           0x20000000
  40 #define CONFIG_SYS_SDRAM_SIZE           0x10000000      /* 256 megs */
  41
  42 #define CONFIG_SYS_INIT_SP_ADDR \
  43         (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  44
  45 /* NAND flash */
  46 #ifdef CONFIG_CMD_NAND
  47 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  48 #define CONFIG_SYS_NAND_BASE            0x40000000
  49 #define CONFIG_SYS_NAND_MASK_ALE        BIT(21)
  50 #define CONFIG_SYS_NAND_MASK_CLE        BIT(22)
  51 #define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PD4
  52 #define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PD5
  53 #define CONFIG_SYS_NAND_ONFI_DETECTION
  54 #endif
  55
  56 #define CONFIG_SYS_LOAD_ADDR            0x22000000      /* load address */
  57
  58 #ifdef CONFIG_SD_BOOT
  59 /* bootstrap + u-boot + env + linux in sd card */
  60 #define CONFIG_BOOTCOMMAND  \
  61                         "fatload mmc 0:1 0x21000000 at91-sam9x60ek.dtb;" \
  62                         "fatload mmc 0:1 0x22000000 zImage;" \
  63                         "bootz 0x22000000 - 0x21000000"
  64
  65 #elif defined(CONFIG_NAND_BOOT)
  66 /* bootstrap + u-boot + env + linux in nandflash */
  67 #define CONFIG_BOOTCOMMAND      "nand read " \
  68                                 "0x22000000 0x200000 0x600000; " \
  69                                 "nand read 0x21000000 0x180000 0x20000; " \
  70                                 "bootz 0x22000000 - 0x21000000"
  71
  72 #elif defined(CONFIG_QSPI_BOOT)
  73 /* bootstrap + u-boot + env + linux in SPI NOR flash */
  74 #define CONFIG_BOOTCOMMAND      "sf probe 0; "                                  \
  75                                 "sf read 0x21000000 0x180000 0x80000; "         \
  76                                 "sf read 0x22000000 0x200000 0x600000; "        \
  77                                 "bootz 0x22000000 - 0x21000000"
  78 #endif
  79
  80 /*
  81  * Size of malloc() pool
  82  */
  83 #define CONFIG_SYS_MALLOC_LEN           (512 * 1024 + 0x1000)
  84
  85 #endif