include/configs/at91sam9rlek.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 AT91SAM9RLEK board.
   8  */
   9
  10 #ifndef __CONFIG_H
  11 #define __CONFIG_H
  12
  13 #include <asm/hardware.h>
  14
  15 /* ARM asynchronous clock */
  16 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
  17 #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000        /* main clock xtal */
  18
  19 #define CONFIG_ARCH_CPU_INIT
  20 #define CONFIG_SKIP_LOWLEVEL_INIT
  21
  22 #define CONFIG_CMDLINE_TAG              1       /* enable passing of ATAGs */
  23 #define CONFIG_SETUP_MEMORY_TAGS        1
  24 #define CONFIG_INITRD_TAG               1
  25
  26 #define CONFIG_ATMEL_LEGACY
  27
  28 /*
  29  * Hardware drivers
  30  */
  31
  32 /* LCD */
  33 #define LCD_BPP                         LCD_COLOR8
  34 #define CONFIG_LCD_LOGO                 1
  35 #undef LCD_TEST_PATTERN
  36 #define CONFIG_LCD_INFO                 1
  37 #define CONFIG_LCD_INFO_BELOW_LOGO      1
  38 #define CONFIG_ATMEL_LCD                1
  39 #define CONFIG_ATMEL_LCD_RGB565         1
  40 /* Let board_init_f handle the framebuffer allocation */
  41 #undef CONFIG_FB_ADDR
  42
  43 /* SDRAM */
  44 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
  45 #define CONFIG_SYS_SDRAM_SIZE           0x04000000
  46
  47 #define CONFIG_SYS_INIT_SP_ADDR \
  48         (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  49
  50 /* NAND flash */
  51 #ifdef CONFIG_CMD_NAND
  52 #define CONFIG_SYS_MAX_NAND_DEVICE              1
  53 #define CONFIG_SYS_NAND_BASE                    ATMEL_BASE_CS3
  54 #define CONFIG_SYS_NAND_DBW_8                   1
  55 /* our ALE is AD21 */
  56 #define CONFIG_SYS_NAND_MASK_ALE                (1 << 21)
  57 /* our CLE is AD22 */
  58 #define CONFIG_SYS_NAND_MASK_CLE                (1 << 22)
  59 #define CONFIG_SYS_NAND_ENABLE_PIN              AT91_PIN_PB6
  60 #define CONFIG_SYS_NAND_READY_PIN               AT91_PIN_PD17
  61
  62 #endif
  63
  64 /* Ethernet - not present */
  65
  66 /* USB - not supported */
  67
  68 #define CONFIG_SYS_LOAD_ADDR                    0x22000000      /* load address */
  69
  70 #define CONFIG_SYS_MEMTEST_START                CONFIG_SYS_SDRAM_BASE
  71 #define CONFIG_SYS_MEMTEST_END                  0x23e00000
  72
  73 #ifdef CONFIG_SYS_USE_DATAFLASH
  74
  75 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
  76 #define CONFIG_ENV_OFFSET       0x4200
  77 #define CONFIG_ENV_SIZE         0x4200
  78 #define CONFIG_ENV_SECT_SIZE    0x210
  79 #define CONFIG_ENV_SPI_MAX_HZ   15000000
  80 #define CONFIG_BOOTCOMMAND      "sf probe 0; " \
  81                                 "sf read 0x22000000 0x84000 0x294000; " \
  82                                 "bootm 0x22000000"
  83
  84 #elif CONFIG_SYS_USE_NANDFLASH
  85
  86 /* bootstrap + u-boot + env + linux in nandflash */
  87 #define CONFIG_ENV_OFFSET               0x140000
  88 #define CONFIG_ENV_OFFSET_REDUND        0x100000
  89 #define CONFIG_ENV_SIZE         0x20000         /* 1 sector = 128 kB */
  90 #define CONFIG_BOOTCOMMAND      "nand read 0x22000000 0x200000 0x600000; "      \
  91                                 "nand read 0x21000000 0x180000 0x80000; "       \
  92                                 "bootz 0x22000000 - 0x21000000"
  93
  94 #else /* CONFIG_SYS_USE_MMC */
  95
  96 /* bootstrap + u-boot + env + linux in mmc */
  97 #define CONFIG_ENV_SIZE         0x4000
  98 #define CONFIG_BOOTCOMMAND      "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \
  99                                 "fatload mmc 0:1 0x22000000 zImage; " \
 100                                 "bootz 0x22000000 - 0x21000000"
 101 #endif
 102
 103 /*
 104  * Size of malloc() pool
 105  */
 106 #define CONFIG_SYS_MALLOC_LEN   ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
 107
 108 #endif