LXR uboot/include/configs/tny

   1/*
   2 * (C) Copyright 2007-2008
   3 * Stelian Pop <stelian@popies.net>
   4 * Lead Tech Design <www.leadtechdesign.com>
   5 *
   6 * Copyright (C) 2009
   7 * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
   8 *
   9 * Configuation settings for the Calao TNY-A9260 and TNY-A9G20 boards
  10 *
  11 * SPDX-License-Identifier:     GPL-2.0+
  12 */
  13
  14#ifndef __CONFIG_H
  15#define __CONFIG_H
  16
  17/*
  18 * SoC must be defined first, before hardware.h is included.
  19 * In this case SoC is defined in boards.cfg.
  20 */
  21#include <asm/hardware.h>
  22
  23#if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9G20_NANDFLASH)
  24#define CONFIG_ENV_IS_IN_NAND
  25#else
  26#define CONFIG_ENV_IS_IN_EEPROM
  27#endif
  28
  29/* Define actual evaluation board type from used processor type */
  30#ifdef CONFIG_AT91SAM9G20
  31# define CONFIG_TNY_A9G20
  32# define MACH_TYPE_TNY_A9G20            2059
  33# define CONFIG_MACH_TYPE               MACH_TYPE_TNY_A9G20
  34#else
  35# define CONFIG_TNY_A9260
  36# define MACH_TYPE_TNY_A9260            2058
  37# define CONFIG_MACH_TYPE               MACH_TYPE_TNY_A9260
  38#endif
  39
  40/* ARM asynchronous clock */
  41#define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
  42#define CONFIG_SYS_AT91_MAIN_CLOCK      12000000        /* 12 MHz crystal */
  43
  44#define CONFIG_ARCH_CPU_INIT
  45#define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs      */
  46#define CONFIG_SETUP_MEMORY_TAGS
  47#define CONFIG_INITRD_TAG
  48#define CONFIG_SKIP_LOWLEVEL_INIT
  49
  50/*
  51 * Hardware drivers
  52 */
  53#define CONFIG_ATMEL_LEGACY
  54#define CONFIG_AT91_GPIO
  55
  56#define CONFIG_ATMEL_USART
  57#define CONFIG_USART_BASE               ATMEL_BASE_DBGU
  58#define CONFIG_USART_ID                 ATMEL_ID_SYS
  59#define CONFIG_BAUDRATE                 115200
  60
  61#define CONFIG_BOOTDELAY        3
  62
  63/*
  64 * Command line configuration.
  65 */
  66#include <config_cmd_default.h>
  67#undef CONFIG_CMD_BDI
  68#undef CONFIG_CMD_FPGA
  69#undef CONFIG_CMD_IMI
  70#undef CONFIG_CMD_IMLS
  71#undef CONFIG_CMD_LOADS
  72#undef CONFIG_CMD_NET
  73#undef CONFIG_CMD_NFS
  74#undef CONFIG_CMD_SOURCE
  75#undef CONFIG_CMD_USB
  76
  77/* SDRAM */
  78#define CONFIG_NR_DRAM_BANKS            1
  79#define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
  80#define CONFIG_SYS_SDRAM_SIZE           0x04000000      /* 64 megs */
  81# define CONFIG_SYS_INIT_SP_ADDR \
  82        (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
  83
  84/* SPI EEPROM */
  85#define CONFIG_SPI
  86#define CONFIG_CMD_SPI
  87#define CONFIG_ATMEL_SPI
  88#define CONFIG_SYS_SPI_WRITE_TOUT               (5 * CONFIG_SYS_HZ)
  89
  90#define CONFIG_CMD_EEPROM
  91#define CONFIG_SPI_M95XXX
  92#define CONFIG_SYS_EEPROM_SIZE 0x10000
  93#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
  94
  95/* NAND flash */
  96#define CONFIG_CMD_NAND
  97#define CONFIG_NAND_ATMEL
  98#define CONFIG_SYS_MAX_NAND_DEVICE              1
  99#define CONFIG_SYS_NAND_BASE                    ATMEL_BASE_CS3
 100#define CONFIG_SYS_NAND_DBW_8
 101/* our ALE is AD21 */
 102#define CONFIG_SYS_NAND_MASK_ALE                (1 << 21)
 103/* our CLE is AD22 */
 104#define CONFIG_SYS_NAND_MASK_CLE                (1 << 22)
 105#define CONFIG_SYS_NAND_ENABLE_PIN              AT91_PIN_PC14
 106#define CONFIG_SYS_NAND_READY_PIN               AT91_PIN_PC13
 107
 108/* NOR flash - no real flash on this board */
 109#define CONFIG_SYS_NO_FLASH
 110
 111#define CONFIG_DOS_PARTITION
 112#define CONFIG_CMD_FAT
 113
 114#define CONFIG_SYS_LOAD_ADDR                    0x22000000      /* load address */
 115
 116#define CONFIG_SYS_MEMTEST_START                CONFIG_SYS_SDRAM_BASE
 117#define CONFIG_SYS_MEMTEST_END                  0x23e00000
 118
 119/* Env in EEPROM, bootstrap + u-boot in NAND*/
 120#ifdef CONFIG_ENV_IS_IN_EEPROM
 121#define CONFIG_ENV_OFFSET               0x20
 122#define CONFIG_ENV_SIZE                 0x1000
 123#endif
 124
 125/* Env, bootstrap and u-boot in NAND */
 126#ifdef CONFIG_ENV_IS_IN_NAND
 127#define CONFIG_ENV_OFFSET               0x60000
 128#define CONFIG_ENV_OFFSET_REDUND        0x80000
 129#define CONFIG_ENV_SIZE                 0x20000
 130#endif
 131
 132#define CONFIG_BOOTCOMMAND      "nboot 0x21000000 0 400000"
 133#define CONFIG_BOOTARGS         "console=ttyS0,115200 " \
 134                                "root=/dev/mtdblock1 " \
 135                                "mtdparts=atmel_nand:16M(kernel)ro," \
 136                                "120M(rootfs),-(other) " \
 137                                "rw rootfstype=jffs2"
 138
 139#define CONFIG_SYS_PROMPT       "U-Boot> "
 140#define CONFIG_SYS_CBSIZE       256
 141#define CONFIG_SYS_MAXARGS      16
 142#define CONFIG_SYS_PBSIZE       (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 143#define CONFIG_SYS_LONGHELP
 144#define CONFIG_CMDLINE_EDITING
 145
 146/*
 147 * Size of malloc() pool
 148 */
 149#define CONFIG_SYS_MALLOC_LEN   ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024, 0x1000)
 150
 151#endif
 152