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
  56 /*
  57  * SDRAM: 1 bank, min 32, max 128 MB
  58  * Initialized before u-boot gets started.
  59  */
  60 #define PHYS_SDRAM                                      ATMEL_BASE_CS1 /* 0x20000000 */
  61 #define PHYS_SDRAM_SIZE                         0x02000000     /* 32 MByte */
  62
  63 #define CONFIG_NR_DRAM_BANKS            1
  64 #define CONFIG_SYS_SDRAM_BASE           PHYS_SDRAM
  65 #define CONFIG_SYS_SDRAM_SIZE           PHYS_SDRAM_SIZE
  66
  67 #define CONFIG_SYS_MEMTEST_START        (CONFIG_SYS_SDRAM_BASE + 0x00100000)
  68 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_SDRAM_BASE + 0x01E00000)
  69 #define CONFIG_SYS_LOAD_ADDR            (CONFIG_SYS_SDRAM_BASE + 0x00100000)
  70
  71 /*
  72  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
  73  * leaving the correct space for initial global data structure above
  74  * that address while providing maximum stack area below.
  75  */
  76 #define CONFIG_SYS_INIT_SP_ADDR \
  77         (ATMEL_BASE_SRAM0 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  78
  79 /* NAND flash */
  80 #ifdef CONFIG_CMD_NAND
  81 # define CONFIG_NAND_ATMEL
  82 # define CONFIG_SYS_MAX_NAND_DEVICE             1
  83 # define CONFIG_SYS_NAND_BASE                   ATMEL_BASE_CS3 /* 0x40000000 */
  84 # define CONFIG_SYS_NAND_DBW_8
  85 # define CONFIG_SYS_NAND_MASK_ALE               (1 << 21)
  86 # define CONFIG_SYS_NAND_MASK_CLE               (1 << 22)
  87 # define CONFIG_SYS_NAND_ENABLE_PIN             GPIO_PIN_PD(15)
  88 # define CONFIG_SYS_NAND_READY_PIN              GPIO_PIN_PA(22)
  89 #endif
  90
  91 /* Ethernet */
  92 #define CONFIG_MACB
  93 #define CONFIG_RMII
  94 #define CONFIG_NET_RETRY_COUNT                  20
  95 #undef CONFIG_RESET_PHY_R
  96
  97 /* hw-controller addresses */
  98 #define CONFIG_ET1100_BASE              0x70000000
  99
 100 #ifdef CONFIG_SYS_USE_DATAFLASH
 101
 102 /* bootstrap + u-boot + env in dataflash on CS0 */
 103 #define CONFIG_ENV_OFFSET       0x4200
 104 #define CONFIG_ENV_SIZE         0x4200
 105 #define CONFIG_ENV_SECT_SIZE    0x210
 106 #define CONFIG_ENV_SPI_MAX_HZ   15000000
 107
 108 #elif CONFIG_SYS_USE_NANDFLASH
 109
 110 /* bootstrap + u-boot + env + linux in nandflash */
 111 # define CONFIG_ENV_OFFSET              0xC0000
 112 # define CONFIG_ENV_SIZE                0x20000
 113
 114 #endif
 115
 116 #define CONFIG_SYS_CBSIZE               512
 117
 118 /*
 119  * Size of malloc() pool
 120  */
 121 #define CONFIG_SYS_MALLOC_LEN           ROUND(3 * CONFIG_ENV_SIZE + \
 122                                         128*1024, 0x1000)
 123
 124 #endif