include/configs/meesc.h

   1 /*
   2  * (C) Copyright 2007-2008
   3  * Stelian Pop <stelian@popies.net>
   4  * Lead Tech Design <www.leadtechdesign.com>
   5  *
   6  * (C) Copyright 2009-2015
   7  * Daniel Gorsulowski <daniel.gorsulowski@esd.eu>
   8  * esd electronic system design gmbh <www.esd.eu>
   9  *
  10  * Configuation settings for the esd MEESC board.
  11  *
  12  * SPDX-License-Identifier:     GPL-2.0+
  13  */
  14
  15 #ifndef __CONFIG_H
  16 #define __CONFIG_H
  17
  18 /*
  19  * SoC must be defined first, before hardware.h is included.
  20  * In this case SoC is defined in boards.cfg.
  21  */
  22 #include <asm/hardware.h>
  23
  24 /*
  25  * Warning: changing CONFIG_SYS_TEXT_BASE requires
  26  * adapting the initial boot program.
  27  * Since the linker has to swallow that define, we must use a pure
  28  * hex number here!
  29  */
  30
  31 /* ARM asynchronous clock */
  32 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768   /* 32.768 kHz crystal */
  33 #define CONFIG_SYS_AT91_MAIN_CLOCK      16000000/* 16.0 MHz crystal */
  34
  35 /* Misc CPU related */
  36 #define CONFIG_SKIP_LOWLEVEL_INIT
  37 #define CONFIG_ARCH_CPU_INIT
  38 #define CONFIG_SETUP_MEMORY_TAGS
  39 #define CONFIG_INITRD_TAG
  40 #define CONFIG_SERIAL_TAG
  41 #define CONFIG_REVISION_TAG
  42 #define CONFIG_CMDLINE_TAG                      /* enable passing of ATAGs */
  43 #define CONFIG_MISC_INIT_R                      /* Call misc_init_r */
  44
  45 #define CONFIG_PREBOOT                          /* enable preboot variable */
  46
  47 /*
  48  * Hardware drivers
  49  */
  50
  51 /*
  52  * BOOTP options
  53  */
  54 #define CONFIG_BOOTP_BOOTFILESIZE
  55 #define CONFIG_BOOTP_BOOTPATH
  56 #define CONFIG_BOOTP_GATEWAY
  57 #define CONFIG_BOOTP_HOSTNAME
  58
  59 /*
  60  * SDRAM: 1 bank, min 32, max 128 MB
  61  * Initialized before u-boot gets started.
  62  */
  63 #define PHYS_SDRAM                                      ATMEL_BASE_CS1 /* 0x20000000 */
  64 #define PHYS_SDRAM_SIZE                         0x02000000     /* 32 MByte */
  65
  66 #define CONFIG_NR_DRAM_BANKS            1
  67 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM
  68 #define CONFIG_SYS_SDRAM_SIZE           PHYS_SDRAM_SIZE
  69
  70 #define CONFIG_SYS_MEMTEST_START        (CONFIG_SYS_SDRAM_BASE + 0x00100000)
  71 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_SDRAM_BASE + 0x01E00000)
  72 #define CONFIG_SYS_LOAD_ADDR            (CONFIG_SYS_SDRAM_BASE + 0x00100000)
  73
  74 /*
  75  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
  76  * leaving the correct space for initial global data structure above
  77  * that address while providing maximum stack area below.
  78  */
  79 #define CONFIG_SYS_INIT_SP_ADDR \
  80         (ATMEL_BASE_SRAM0 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  81
  82 /* NAND flash */
  83 #ifdef CONFIG_CMD_NAND
  84 # define CONFIG_NAND_ATMEL
  85 # define CONFIG_SYS_MAX_NAND_DEVICE             1
  86 # define CONFIG_SYS_NAND_BASE                   ATMEL_BASE_CS3 /* 0x40000000 */
  87 # define CONFIG_SYS_NAND_DBW_8
  88 # define CONFIG_SYS_NAND_MASK_ALE               (1 << 21)
  89 # define CONFIG_SYS_NAND_MASK_CLE               (1 << 22)
  90 # define CONFIG_SYS_NAND_ENABLE_PIN             GPIO_PIN_PD(15)
  91 # define CONFIG_SYS_NAND_READY_PIN              GPIO_PIN_PA(22)
  92 #endif
  93
  94 /* Ethernet */
  95 #define CONFIG_MACB
  96 #define CONFIG_RMII
  97 #define CONFIG_NET_RETRY_COUNT                  20
  98 #undef CONFIG_RESET_PHY_R
  99
 100 /* hw-controller addresses */
 101 #define CONFIG_ET1100_BASE              0x70000000
 102
 103 #ifdef CONFIG_SYS_USE_DATAFLASH
 104
 105 /* bootstrap + u-boot + env in dataflash on CS0 */
 106 #define CONFIG_ENV_OFFSET       0x4200
 107 #define CONFIG_ENV_SIZE         0x4200
 108 #define CONFIG_ENV_SECT_SIZE    0x210
 109 #define CONFIG_ENV_SPI_MAX_HZ   15000000
 110
 111 #elif CONFIG_SYS_USE_NANDFLASH
 112
 113 /* bootstrap + u-boot + env + linux in nandflash */
 114 # define CONFIG_ENV_OFFSET              0xC0000
 115 # define CONFIG_ENV_SIZE                0x20000
 116
 117 #endif
 118
 119 #define CONFIG_SYS_CBSIZE               512
 120 #define CONFIG_SYS_LONGHELP
 121 #define CONFIG_CMDLINE_EDITING
 122 #define CONFIG_AUTO_COMPLETE
 123
 124 /*
 125  * Size of malloc() pool
 126  */
 127 #define CONFIG_SYS_MALLOC_LEN           ROUND(3 * CONFIG_ENV_SIZE + \
 128                                         128*1024, 0x1000)
 129
 130 #endif