include/configs/at91rm9200ek.h

   1 /*
   2  * Copyright (C) 2010 Andreas Bießmann <biessmann.devel@googlemail.com>
   3  *
   4  * based on previous work by
   5  *
   6  * Ulf Samuelsson <ulf@atmel.com>
   7  * Rick Bronson <rick@efn.org>
   8  *
   9  * Configuration settings for the AT91RM9200EK board.
  10  *
  11  * See file CREDITS for list of people who contributed to this
  12  * project.
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License as
  16  * published by the Free Software Foundation; either version 2 of
  17  * the License, or (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  27  * MA 02111-1307 USA
  28  */
  29
  30 #ifndef __AT91RM9200EK_CONFIG_H__
  31 #define __AT91RM9200EK_CONFIG_H__
  32
  33 #include <asm/sizes.h>
  34
  35 /*
  36  * set some initial configurations depending on configure target
  37  *
  38  * at91rm9200ek_config     -> boot from 0x0 in NOR Flash at CS0
  39  * at91rm9200ek_ram_config -> continue booting from 0x20100000 in RAM; lowlevel
  40  *                            initialisation was done by some preloader
  41  */
  42 #ifdef CONFIG_RAMBOOT
  43 #define CONFIG_SKIP_LOWLEVEL_INIT
  44 #define CONFIG_SYS_TEXT_BASE 0x20100000
  45 #else
  46 #define CONFIG_SYS_TEXT_BASE 0x10000000
  47 #endif
  48
  49 /*
  50  * AT91C_XTAL_CLOCK is the frequency of external xtal in hertz
  51  * AT91C_MAIN_CLOCK is the frequency of PLLA output
  52  * AT91C_MASTER_CLOCK is the peripherial clock
  53  * CONFIG_SYS_HZ_CLOCK is the value for CCR in tc0 (divider 2 is implicitely
  54  *  set in arch/arm/cpu/arm920t/at91/timer.c)
  55  * CONFIG_SYS_HZ is the tick rate for timer tc0
  56  */
  57 #define AT91C_XTAL_CLOCK                18432000
  58 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
  59 #define AT91C_MAIN_CLOCK                ((AT91C_XTAL_CLOCK / 4) * 39)
  60 #define AT91C_MASTER_CLOCK              (AT91C_MAIN_CLOCK / 3 )
  61 #define CONFIG_SYS_HZ_CLOCK             (AT91C_MASTER_CLOCK / 2)
  62 #define CONFIG_SYS_HZ                   1000
  63
  64 /* CPU configuration */
  65 #define CONFIG_AT91RM9200
  66 #define CONFIG_AT91RM9200EK
  67 #define CONFIG_CPUAT91
  68 #define USE_920T_MMU
  69
  70 #include <asm/hardware.h>       /* needed for port definitions */
  71
  72 #define CONFIG_CMDLINE_TAG
  73 #define CONFIG_SETUP_MEMORY_TAGS
  74 #define CONFIG_INITRD_TAG
  75
  76 #define CONFIG_BOARD_EARLY_INIT_F
  77
  78 /*
  79  * Memory Configuration
  80  */
  81 #define CONFIG_NR_DRAM_BANKS            1
  82 #define CONFIG_SYS_SDRAM_BASE           0x20000000
  83 #define CONFIG_SYS_SDRAM_SIZE           SZ_32M
  84
  85 #define CONFIG_SYS_MEMTEST_START        CONFIG_SYS_SDRAM_BASE
  86 #define CONFIG_SYS_MEMTEST_END          \
  87                 (CONFIG_SYS_MEMTEST_START + CONFIG_SYS_SDRAM_SIZE - SZ_256K)
  88
  89 /*
  90  * LowLevel Init
  91  */
  92 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
  93 #define CONFIG_SYS_USE_MAIN_OSCILLATOR
  94 /* flash */
  95 #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000
  96 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
  97
  98 /* clocks */
  99 #define CONFIG_SYS_PLLAR_VAL    0x20263E04 /* 179.712000 MHz for PCK */
 100 #define CONFIG_SYS_PLLBR_VAL    0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
 101 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
 102 #define CONFIG_SYS_MCKR_VAL     0x00000202
 103
 104 /* sdram */
 105 #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
 106 #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000
 107 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000
 108 #define CONFIG_SYS_EBI_CSA_VAL  0x00000002 /* CS1=CONFIG_SYS_SDRAM */
 109 #define CONFIG_SYS_SDRC_CR_VAL  0x2188c155 /* set up the CONFIG_SYS_SDRAM */
 110 #define CONFIG_SYS_SDRAM        CONFIG_SYS_SDRAM_BASE /* address of the SDRAM */
 111 #define CONFIG_SYS_SDRAM1       (CONFIG_SYS_SDRAM_BASE+0x80)
 112 #define CONFIG_SYS_SDRAM_VAL    0x00000000 /* value written to CONFIG_SYS_SDRAM */
 113 #define CONFIG_SYS_SDRC_MR_VAL  0x00000002 /* Precharge All */
 114 #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */
 115 #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
 116 #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */
 117 #define CONFIG_SYS_SDRC_TR_VAL  0x000002E0 /* Write refresh rate */
 118 #endif  /* CONFIG_SKIP_LOWLEVEL_INIT */
 119
 120 /*
 121  * Hardware drivers
 122  */
 123 /*
 124  * Choose a USART for serial console
 125  * CONFIG_DBGU is DBGU unit on J10
 126  * CONFIG_USART1 is USART1 on J14
 127  */
 128 #define CONFIG_ATMEL_USART
 129 #define CONFIG_USART_BASE       ATMEL_BASE_DBGU
 130 #define CONFIG_USART_ID         0/* ignored in arm */
 131
 132 #define CONFIG_BAUDRATE                 115200
 133
 134 /*
 135  * Command line configuration.
 136  */
 137 #include <config_cmd_default.h>
 138
 139 #define CONFIG_CMD_DHCP
 140 #define CONFIG_CMD_FAT
 141 #define CONFIG_CMD_MII
 142 #define CONFIG_CMD_PING
 143 #define CONFIG_CMD_USB
 144 #undef CONFIG_CMD_FPGA
 145
 146 /*
 147  * Network Driver Setting
 148  */
 149 #define CONFIG_DRIVER_AT91EMAC
 150 #define CONFIG_SYS_RX_ETH_BUFFER        16
 151 #define CONFIG_RMII
 152 #define CONFIG_MII
 153
 154 /*
 155  * NOR Flash
 156  */
 157 #define CONFIG_FLASH_CFI_DRIVER
 158 #define CONFIG_SYS_FLASH_CFI
 159 #define CONFIG_SYS_FLASH_BASE           0x10000000
 160 #define PHYS_FLASH_1                    CONFIG_SYS_FLASH_BASE
 161 #define PHYS_FLASH_SIZE                 SZ_8M
 162 #define CONFIG_SYS_MAX_FLASH_BANKS      1
 163 #define CONFIG_SYS_MAX_FLASH_SECT       256
 164 #define CONFIG_SYS_FLASH_PROTECTION
 165
 166 /*
 167  * USB Config
 168  */
 169 #define CONFIG_USB_ATMEL                        1
 170 #define CONFIG_USB_OHCI_NEW                     1
 171 #define CONFIG_USB_KEYBOARD                     1
 172 #define CONFIG_USB_STORAGE                      1
 173 #define CONFIG_DOS_PARTITION                    1
 174
 175 #define CONFIG_SYS_USB_OHCI_CPU_INIT            1
 176 #define CONFIG_SYS_USB_OHCI_REGS_BASE           ATMEL_USB_HOST_BASE
 177 #define CONFIG_SYS_USB_OHCI_SLOT_NAME           "at91rm9200"
 178 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      15
 179
 180 /*
 181  * Environment Settings
 182  */
 183 #define CONFIG_ENV_IS_IN_FLASH
 184
 185 /*
 186  * after u-boot.bin
 187  */
 188 #define CONFIG_ENV_ADDR                 \
 189                 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN)
 190 #define CONFIG_ENV_SIZE                 SZ_64K /* sectors are 64K here */
 191 /* The following #defines are needed to get flash environment right */
 192 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
 193 #define CONFIG_SYS_MONITOR_LEN          SZ_256K
 194
 195 /*
 196  * Boot option
 197  */
 198 #define CONFIG_BOOTDELAY                3
 199
 200 /* default load address */
 201 #define CONFIG_SYS_LOAD_ADDR            CONFIG_SYS_SDRAM_BASE + SZ_16M
 202 #define CONFIG_ENV_OVERWRITE
 203
 204 /*
 205  * Shell Settings
 206  */
 207 #define CONFIG_CMDLINE_EDITING
 208 #define CONFIG_SYS_LONGHELP
 209 #define CONFIG_AUTO_COMPLETE
 210 #define CONFIG_SYS_HUSH_PARSER
 211 #define CONFIG_SYS_PROMPT               "U-Boot> "
 212 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size */
 213 #define CONFIG_SYS_MAXARGS              16      /* max number of command args */
 214 /* Print Buffer Size */
 215 #define CONFIG_SYS_PBSIZE               \
 216                 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 217
 218 /*
 219  * Size of malloc() pool
 220  */
 221 #define CONFIG_SYS_MALLOC_LEN           ROUND(3 * CONFIG_ENV_SIZE + SZ_128K, \
 222                                              SZ_4K)
 223
 224 #define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + SZ_4K \
 225                                         - GENERATED_GBL_DATA_SIZE)
 226
 227 #endif /* __AT91RM9200EK_CONFIG_H__ */