include/configs/at91sam9260ek.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2007-2008
   4  * Stelian Pop <stelian@popies.net>
   5  * Lead Tech Design <www.leadtechdesign.com>
   6  *
   7  * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
   8  */
   9
  10 #ifndef __CONFIG_H
  11 #define __CONFIG_H
  12
  13 /*
  14  * SoC must be defined first, before hardware.h is included.
  15  * In this case SoC is defined in boards.cfg.
  16  */
  17 #include <asm/hardware.h>
  18
  19 /*
  20  * Warning: changing CONFIG_SYS_TEXT_BASE requires
  21  * adapting the initial boot program.
  22  * Since the linker has to swallow that define, we must use a pure
  23  * hex number here!
  24  */
  25
  26 /* ARM asynchronous clock */
  27 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
  28 #define CONFIG_SYS_AT91_MAIN_CLOCK      18432000        /* main clock xtal */
  29
  30 /* Define actual evaluation board type from used processor type */
  31 #ifdef CONFIG_AT91SAM9G20
  32 # define CONFIG_AT91SAM9G20EK   /* It's an Atmel AT91SAM9G20 EK */
  33 #else
  34 # define CONFIG_AT91SAM9260EK   /* It's an Atmel AT91SAM9260 EK */
  35 #endif
  36
  37 /* Misc CPU related */
  38 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
  39 #define CONFIG_SETUP_MEMORY_TAGS
  40 #define CONFIG_INITRD_TAG
  41
  42 /* general purpose I/O */
  43 #define CONFIG_ATMEL_LEGACY             /* required until (g)pio is fixed */
  44
  45 /*
  46  * BOOTP options
  47  */
  48 #define CONFIG_BOOTP_BOOTFILESIZE       1
  49
  50 /*
  51  * SDRAM: 1 bank, min 32, max 128 MB
  52  * Initialized before u-boot gets started.
  53  */
  54 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
  55 #define CONFIG_SYS_SDRAM_SIZE           0x04000000
  56
  57 /*
  58  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
  59  * leaving the correct space for initial global data structure above
  60  * that address while providing maximum stack area below.
  61  */
  62 #ifdef CONFIG_AT91SAM9XE
  63 # define CONFIG_SYS_INIT_SP_ADDR \
  64         (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  65 #else
  66 # define CONFIG_SYS_INIT_SP_ADDR \
  67         (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  68 #endif
  69
  70 /*
  71  * The (arm)linux board id set by generic code depending on configured board
  72  * (see boards.cfg for different boards)
  73  */
  74 #ifdef CONFIG_AT91SAM9G20
  75         /* the sam9g20 variants have two different board ids */
  76 # ifdef CONFIG_AT91SAM9G20EK_2MMC
  77         /* we may be setup for the 2MMC variant of at91sam9g20ek */
  78 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
  79 # else
  80         /* or the normal at91sam9g20ek */
  81 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
  82 # endif
  83 #else
  84         /* otherwise default to good old at91sam9260ek */
  85 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
  86 #endif
  87
  88 /* NAND flash */
  89 #ifdef CONFIG_CMD_NAND
  90 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  91 #define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
  92 #define CONFIG_SYS_NAND_DBW_8
  93 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
  94 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
  95 #define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
  96 #define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
  97 #endif
  98
  99 /* USB */
 100 #define CONFIG_USB_ATMEL
 101 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
 102 #define CONFIG_USB_OHCI_NEW             1
 103 #define CONFIG_SYS_USB_OHCI_CPU_INIT            1
 104 #define CONFIG_SYS_USB_OHCI_REGS_BASE           0x00500000      /* AT91SAM9260_UHP_BASE */
 105 #define CONFIG_SYS_USB_OHCI_SLOT_NAME           "at91sam9260"
 106 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
 107
 108 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
 109
 110 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
 111 #define CONFIG_BOOTCOMMAND      "sf probe 0:0; " \
 112                                 "sf read 0x22000000 0x84000 0x294000; " \
 113                                 "bootm 0x22000000"
 114
 115 #elif CONFIG_SYS_USE_DATAFLASH_CS1
 116
 117 #define CONFIG_BOOTCOMMAND      "sf probe 0:1; " \
 118                                 "sf read 0x22000000 0x84000 0x294000; " \
 119                                 "bootm 0x22000000"
 120
 121 #elif defined(CONFIG_SYS_USE_NANDFLASH)
 122
 123 /* bootstrap + u-boot + env + linux in nandflash */
 124 #define CONFIG_BOOTCOMMAND      "nand read 0x22000000 0x200000 0x300000; bootm"
 125
 126 #else   /* CONFIG_SYS_USE_MMC */
 127 /* bootstrap + u-boot + env + linux in mmc */
 128 /* For FAT system, most cases it should be in the reserved sector */
 129
 130 #define CONFIG_BOOTCOMMAND                                              \
 131         "fatload mmc 0:1 0x22000000 uImage; bootm"
 132 #endif
 133
 134 /*
 135  * Size of malloc() pool
 136  */
 137 #define CONFIG_SYS_MALLOC_LEN           ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
 138
 139 #endif