git.sur5r.net Git - u-boot/blob - include/configs/at91sam9rlek.h

   1 /*
   2  * (C) Copyright 2007-2008
   3  * Stelian Pop <stelian@popies.net>
   4  * Lead Tech Design <www.leadtechdesign.com>
   5  *
   6  * Configuation settings for the AT91SAM9RLEK board.
   7  *
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #ifndef __CONFIG_H
  12 #define __CONFIG_H
  13
  14 #include <asm/hardware.h>
  15
  16 /* ARM asynchronous clock */
  17 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
  18 #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000        /* main clock xtal */
  19
  20 #define CONFIG_ARCH_CPU_INIT
  21 #define CONFIG_SKIP_LOWLEVEL_INIT
  22
  23 #define CONFIG_CMDLINE_TAG              1       /* enable passing of ATAGs */
  24 #define CONFIG_SETUP_MEMORY_TAGS        1
  25 #define CONFIG_INITRD_TAG               1
  26
  27 #define CONFIG_ATMEL_LEGACY
  28
  29 /*
  30  * Hardware drivers
  31  */
  32
  33 /* LCD */
  34 #define LCD_BPP                         LCD_COLOR8
  35 #define CONFIG_LCD_LOGO                 1
  36 #undef LCD_TEST_PATTERN
  37 #define CONFIG_LCD_INFO                 1
  38 #define CONFIG_LCD_INFO_BELOW_LOGO      1
  39 #define CONFIG_ATMEL_LCD                1
  40 #define CONFIG_ATMEL_LCD_RGB565         1
  41 /* Let board_init_f handle the framebuffer allocation */
  42 #undef CONFIG_FB_ADDR
  43
  44 /* SDRAM */
  45 #define CONFIG_NR_DRAM_BANKS            1
  46 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
  47 #define CONFIG_SYS_SDRAM_SIZE           0x04000000
  48
  49 #define CONFIG_SYS_INIT_SP_ADDR \
  50         (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  51
  52 /* NAND flash */
  53 #ifdef CONFIG_CMD_NAND
  54 #define CONFIG_NAND_ATMEL
  55 #define CONFIG_SYS_MAX_NAND_DEVICE              1
  56 #define CONFIG_SYS_NAND_BASE                    ATMEL_BASE_CS3
  57 #define CONFIG_SYS_NAND_DBW_8                   1
  58 /* our ALE is AD21 */
  59 #define CONFIG_SYS_NAND_MASK_ALE                (1 << 21)
  60 /* our CLE is AD22 */
  61 #define CONFIG_SYS_NAND_MASK_CLE                (1 << 22)
  62 #define CONFIG_SYS_NAND_ENABLE_PIN              AT91_PIN_PB6
  63 #define CONFIG_SYS_NAND_READY_PIN               AT91_PIN_PD17
  64
  65 #endif
  66
  67 /* Ethernet - not present */
  68
  69 /* USB - not supported */
  70
  71 #define CONFIG_SYS_LOAD_ADDR                    0x22000000      /* load address */
  72
  73 #define CONFIG_SYS_MEMTEST_START                CONFIG_SYS_SDRAM_BASE
  74 #define CONFIG_SYS_MEMTEST_END                  0x23e00000
  75
  76 #ifdef CONFIG_SYS_USE_DATAFLASH
  77
  78 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
  79 #define CONFIG_ENV_OFFSET       0x4200
  80 #define CONFIG_ENV_SIZE         0x4200
  81 #define CONFIG_ENV_SECT_SIZE    0x210
  82 #define CONFIG_ENV_SPI_MAX_HZ   15000000
  83 #define CONFIG_BOOTCOMMAND      "sf probe 0; " \
  84                                 "sf read 0x22000000 0x84000 0x294000; " \
  85                                 "bootm 0x22000000"
  86
  87 #elif CONFIG_SYS_USE_NANDFLASH
  88
  89 /* bootstrap + u-boot + env + linux in nandflash */
  90 #define CONFIG_ENV_OFFSET               0x120000
  91 #define CONFIG_ENV_OFFSET_REDUND        0x100000
  92 #define CONFIG_ENV_SIZE         0x20000         /* 1 sector = 128 kB */
  93 #define CONFIG_BOOTCOMMAND      "nand read 0x22000000 0x200000 0x600000; "      \
  94                                 "nand read 0x21000000 0x180000 0x80000; "       \
  95                                 "bootz 0x22000000 - 0x21000000"
  96
  97 #else /* CONFIG_SYS_USE_MMC */
  98
  99 /* bootstrap + u-boot + env + linux in mmc */
 100 #define CONFIG_ENV_SIZE         0x4000
 101 #define CONFIG_BOOTCOMMAND      "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
 102                                 "fatload mmc 0:1 0x22000000 zImage; " \
 103                                 "bootz 0x22000000 - 0x21000000"
 104 #endif
 105
 106 /*
 107  * Size of malloc() pool
 108  */
 109 #define CONFIG_SYS_MALLOC_LEN   ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
 110
 111 #endif