LXR uboot/include/configs/at91sam9260ek.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 AT91SAM9260EK & AT91SAM9G20EK boards.
   7 *
   8 * SPDX-License-Identifier:     GPL-2.0+
   9 */
  10
  11#ifndef __CONFIG_H
  12#define __CONFIG_H
  13
  14/*
  15 * SoC must be defined first, before hardware.h is included.
  16 * In this case SoC is defined in boards.cfg.
  17 */
  18#include <asm/hardware.h>
  19
  20/*
  21 * Warning: changing CONFIG_SYS_TEXT_BASE requires
  22 * adapting the initial boot program.
  23 * Since the linker has to swallow that define, we must use a pure
  24 * hex number here!
  25 */
  26#define CONFIG_SYS_TEXT_BASE            0x21f00000
  27
  28/* ARM asynchronous clock */
  29#define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
  30#define CONFIG_SYS_AT91_MAIN_CLOCK      18432000        /* main clock xtal */
  31
  32/* Define actual evaluation board type from used processor type */
  33#ifdef CONFIG_AT91SAM9G20
  34# define CONFIG_AT91SAM9G20EK   /* It's an Atmel AT91SAM9G20 EK */
  35#else
  36# define CONFIG_AT91SAM9260EK   /* It's an Atmel AT91SAM9260 EK */
  37#endif
  38
  39/* Misc CPU related */
  40#define CONFIG_ARCH_CPU_INIT
  41#define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
  42#define CONFIG_SETUP_MEMORY_TAGS
  43#define CONFIG_INITRD_TAG
  44#define CONFIG_SKIP_LOWLEVEL_INIT
  45
  46/* general purpose I/O */
  47#define CONFIG_ATMEL_LEGACY             /* required until (g)pio is fixed */
  48
  49/*
  50 * BOOTP options
  51 */
  52#define CONFIG_BOOTP_BOOTFILESIZE       1
  53#define CONFIG_BOOTP_BOOTPATH           1
  54#define CONFIG_BOOTP_GATEWAY            1
  55#define CONFIG_BOOTP_HOSTNAME           1
  56
  57/*
  58 * Command line configuration.
  59 */
  60#define CONFIG_CMD_NAND         1
  61
  62/*
  63 * SDRAM: 1 bank, min 32, max 128 MB
  64 * Initialized before u-boot gets started.
  65 */
  66#define CONFIG_NR_DRAM_BANKS            1
  67#define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
  68#define CONFIG_SYS_SDRAM_SIZE           0x04000000
  69
  70/*
  71 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
  72 * leaving the correct space for initial global data structure above
  73 * that address while providing maximum stack area below.
  74 */
  75#ifdef CONFIG_AT91SAM9XE
  76# define CONFIG_SYS_INIT_SP_ADDR \
  77        (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  78#else
  79# define CONFIG_SYS_INIT_SP_ADDR \
  80        (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
  81#endif
  82
  83/*
  84 * The (arm)linux board id set by generic code depending on configured board
  85 * (see boards.cfg for different boards)
  86 */
  87#ifdef CONFIG_AT91SAM9G20
  88        /* the sam9g20 variants have two different board ids */
  89# ifdef CONFIG_AT91SAM9G20EK_2MMC
  90        /* we may be setup for the 2MMC variant of at91sam9g20ek */
  91#  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
  92# else
  93        /* or the normal at91sam9g20ek */
  94#  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
  95# endif
  96#else
  97        /* otherwise default to good old at91sam9260ek */
  98# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
  99#endif
 100
 101#ifndef CONFIG_AT91SAM9G20EK_2MMC
 102/* DataFlash */
 103#define CONFIG_ATMEL_DATAFLASH_SPI
 104#define CONFIG_HAS_DATAFLASH            1
 105#define CONFIG_SYS_MAX_DATAFLASH_BANKS          2
 106#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0     0xC0000000      /* CS0 */
 107#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1     0xD0000000      /* CS1 */
 108#define AT91_SPI_CLK                    15000000
 109#else
 110/* Enable MMC. The MCCK is conflicted with DataFlash */
 111#endif
 112
 113#ifdef CONFIG_AT91SAM9G20EK
 114#define DATAFLASH_TCSS                  (0x22 << 16)
 115#else
 116#define DATAFLASH_TCSS                  (0x1a << 16)
 117#endif
 118#define DATAFLASH_TCHS                  (0x1 << 24)
 119
 120/* NAND flash */
 121#ifdef CONFIG_CMD_NAND
 122#define CONFIG_NAND_ATMEL
 123#define CONFIG_SYS_MAX_NAND_DEVICE      1
 124#define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
 125#define CONFIG_SYS_NAND_DBW_8
 126#define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
 127#define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
 128#define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
 129#define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
 130#endif
 131
 132/* USB */
 133#define CONFIG_USB_ATMEL
 134#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
 135#define CONFIG_USB_OHCI_NEW             1
 136#define CONFIG_SYS_USB_OHCI_CPU_INIT            1
 137#define CONFIG_SYS_USB_OHCI_REGS_BASE           0x00500000      /* AT91SAM9260_UHP_BASE */
 138#define CONFIG_SYS_USB_OHCI_SLOT_NAME           "at91sam9260"
 139#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
 140
 141#define CONFIG_SYS_LOAD_ADDR                    0x22000000      /* load address */
 142
 143#define CONFIG_SYS_MEMTEST_START                CONFIG_SYS_SDRAM_BASE
 144#define CONFIG_SYS_MEMTEST_END                  0x23e00000
 145
 146#ifdef CONFIG_SYS_USE_DATAFLASH_CS0
 147
 148/* bootstrap + u-boot + env + linux in dataflash on CS0 */
 149#define CONFIG_ENV_IS_IN_DATAFLASH      1
 150#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
 151#define CONFIG_ENV_OFFSET               0x4200
 152#define CONFIG_ENV_ADDR         (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
 153#define CONFIG_ENV_SIZE         0x4200
 154#define CONFIG_BOOTCOMMAND      "cp.b 0xC0084000 0x22000000 0x210000; bootm"
 155#define CONFIG_BOOTARGS         "console=ttyS0,115200 "                 \
 156                                "root=/dev/mtdblock0 "                  \
 157                                "mtdparts=atmel_nand:-(root) "          \
 158                                "rw rootfstype=jffs2"
 159
 160#elif CONFIG_SYS_USE_DATAFLASH_CS1
 161
 162/* bootstrap + u-boot + env + linux in dataflash on CS1 */
 163#define CONFIG_ENV_IS_IN_DATAFLASH      1
 164#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
 165#define CONFIG_ENV_OFFSET               0x4200
 166#define CONFIG_ENV_ADDR         (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
 167#define CONFIG_ENV_SIZE         0x4200
 168#define CONFIG_BOOTCOMMAND      "cp.b 0xD0084000 0x22000000 0x210000; bootm"
 169#define CONFIG_BOOTARGS         "console=ttyS0,115200 "                 \
 170                                "root=/dev/mtdblock0 "                  \
 171                                "mtdparts=atmel_nand:-(root) "          \
 172                                "rw rootfstype=jffs2"
 173
 174#elif defined(CONFIG_SYS_USE_NANDFLASH)
 175
 176/* bootstrap + u-boot + env + linux in nandflash */
 177#define CONFIG_ENV_IS_IN_NAND   1
 178#define CONFIG_ENV_OFFSET               0x120000
 179#define CONFIG_ENV_OFFSET_REDUND        0x100000
 180#define CONFIG_ENV_SIZE         0x20000         /* 1 sector = 128 kB */
 181#define CONFIG_BOOTCOMMAND      "nand read 0x22000000 0x200000 0x300000; bootm"
 182#define CONFIG_BOOTARGS                                                 \
 183        "console=ttyS0,115200 earlyprintk "                             \
 184        "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"          \
 185        "256k(env),256k(env_redundant),256k(spare),"                    \
 186        "512k(dtb),6M(kernel)ro,-(rootfs) "                             \
 187        "root=/dev/mtdblock7 rw rootfstype=jffs2"
 188
 189#else   /* CONFIG_SYS_USE_MMC */
 190/* bootstrap + u-boot + env + linux in mmc */
 191#define CONFIG_ENV_IS_IN_MMC
 192/* For FAT system, most cases it should be in the reserved sector */
 193#define CONFIG_ENV_OFFSET               0x2000
 194#define CONFIG_ENV_SIZE                 0x1000
 195#define CONFIG_SYS_MMC_ENV_DEV          0
 196
 197#define CONFIG_BOOTCOMMAND                                              \
 198        "fatload mmc 0:1 0x22000000 uImage; bootm"
 199#define CONFIG_BOOTARGS                                                 \
 200        "console=ttyS0,115200 earlyprintk "                             \
 201        "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"          \
 202        "256k(env),256k(env_redundant),256k(spare),"                    \
 203        "512k(dtb),6M(kernel)ro,-(rootfs) "                             \
 204        "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
 205#endif
 206
 207#define CONFIG_SYS_CBSIZE               256
 208#define CONFIG_SYS_MAXARGS              16
 209#define CONFIG_SYS_LONGHELP             1
 210#define CONFIG_CMDLINE_EDITING  1
 211#define CONFIG_AUTO_COMPLETE
 212
 213/*
 214 * Size of malloc() pool
 215 */
 216#define CONFIG_SYS_MALLOC_LEN           ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
 217
 218#endif
 219