1 /* 2 * Ulf Samuelsson <ulf@atmel.com> 3 * Rick Bronson <rick@efn.org> 4 * 5 * Configuration settings for the AT91RM9200EK board. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #ifndef __CONFIG_H 27 #define __CONFIG_H 28 29 /* ARM asynchronous clock */ 30 /* 31 * from 18.432 MHz crystal 32 * (18432000 / 4 * 39) 33 */ 34 #define AT91C_MAIN_CLOCK 179712000 35 /* 36 * peripheral clock 37 * (AT91C_MASTER_CLOCK / 3) 38 */ 39 #define AT91C_MASTER_CLOCK 59904000 40 41 #define AT91_SLOW_CLOCK 32768 /* slow clock */ 42 43 #define CONFIG_ARM920T 1 /* This is an ARM920T Core */ 44 #define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */ 45 #define CONFIG_AT91RM9200EK 1 /* on an AT91RM9200EK Board */ 46 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ 47 #define USE_920T_MMU 1 48 49 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 50 #define CONFIG_SETUP_MEMORY_TAGS 1 51 #define CONFIG_INITRD_TAG 1 52 53 /* 54 * LowLevel Init 55 */ 56 #ifndef CONFIG_SKIP_LOWLEVEL_INIT 57 #define CONFIG_SYS_USE_MAIN_OSCILLATOR 1 58 /* flash */ 59 #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000 60 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ 61 62 /* clocks */ 63 #define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */ 64 #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ 65 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */ 66 #define CONFIG_SYS_MCKR_VAL 0x00000202 67 68 /* sdram */ 69 #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ 70 #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000 71 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000 72 #define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */ 73 #define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */ 74 #define CONFIG_SYS_SDRAM 0x20000000 /* address of the CONFIG_SYS_SDRAM */ 75 #define CONFIG_SYS_SDRAM1 0x20000080 /* address of the CONFIG_SYS_SDRAM */ 76 #define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */ 77 #define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */ 78 #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */ 79 #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */ 80 #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */ 81 #define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ 82 #else 83 #define CONFIG_SKIP_RELOCATE_UBOOT 84 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ 85 86 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */ 87 #define CONFIG_SYS_AT91C_BRGR_DIVISOR 33 88 89 /* 90 * Memory Configuration 91 */ 92 #define CONFIG_NR_DRAM_BANKS 1 93 #define PHYS_SDRAM 0x20000000 94 #define PHYS_SDRAM_SIZE 0x02000000 /* 32 megs */ 95 96 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM 97 #define CONFIG_SYS_MEMTEST_END \ 98 (CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 262144) 99 100 /* 101 * Hardware drivers 102 */ 103 104 /* 105 * UART Configuration 106 * 107 * define one of these to choose the DBGU, 108 * USART0 or USART1 as console 109 */ 110 #define CONFIG_AT91RM9200_USART 111 #define CONFIG_DBGU 112 #undef CONFIG_USART0 113 #undef CONFIG_USART1 114 /* don't include RTS/CTS flow control support */ 115 #undef CONFIG_HWFLOW 116 /* disable modem initialization stuff */ 117 #undef CONFIG_MODEM_SUPPORT 118 119 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 120 #define CONFIG_BAUDRATE 115200 121 122 /* 123 * Command line configuration. 124 */ 125 #include <config_cmd_default.h> 126 127 #define CONFIG_CMD_DHCP 128 #define CONFIG_CMD_FAT 129 #define CONFIG_CMD_MII 130 #define CONFIG_CMD_PING 131 132 #undef CONFIG_CMD_BDI 133 #undef CONFIG_CMD_IMI 134 #undef CONFIG_CMD_FPGA 135 #undef CONFIG_CMD_MISC 136 #undef CONFIG_CMD_LOADS 137 138 #include <asm/arch/AT91RM9200.h> /* needed for port definitions */ 139 /* Options for MMC/SD Card */ 140 #define CONFIG_DOS_PARTITION 1 141 #undef CONFIG_MMC 142 #define CONFIG_SYS_MMC_BASE 0xFFFB4000 143 #define CONFIG_SYS_MMC_BLOCKSIZE 512 144 145 /* 146 * Network Driver Setting 147 */ 148 #define CONFIG_NET_MULTI 1 149 #ifdef CONFIG_NET_MULTI 150 #define CONFIG_DRIVER_AT91EMAC 1 151 #define CONFIG_SYS_RX_ETH_BUFFER 8 152 #else 153 #define CONFIG_DRIVER_ETHER 1 154 #endif 155 #define CONFIG_NET_RETRY_COUNT 20 156 #define CONFIG_AT91C_USE_RMII 157 158 /* 159 * AC Characteristics 160 * DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns 161 */ 162 #define DATAFLASH_TCSS (0xC << 16) 163 #define DATAFLASH_TCHS (0x1 << 24) 164 165 #if defined(CONFIG_HAS_DATAFLASH) 166 #define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ) 167 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 168 #define CONFIG_SYS_MAX_DATAFLASH_PAGES 16384 169 /* Logical adress for CS0 */ 170 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 171 /* Logical adress for CS3 */ 172 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 173 #define CONFIG_SYS_SUPPORT_BLOCK_ERASE 1 174 #define CONFIG_SYS_DATAFLASH_MMC_PIO AT91C_PIO_PB22 175 #endif 176 177 /* 178 * NOR Flash 179 */ 180 #define CONFIG_SYS_FLASH_BASE 0x10000000 181 #define PHYS_FLASH_SIZE 0x800000 /* 8MB */ 182 #define CONFIG_SYS_FLASH_CFI 1 183 #define CONFIG_FLASH_CFI_DRIVER 1 184 #define CONFIG_SYS_MAX_FLASH_BANKS 1 185 #define CONFIG_SYS_MAX_FLASH_SECT 256 186 #define CONFIG_SYS_FLASH_PROTECTION 187 188 /* 189 * Environment Settings 190 */ 191 #ifdef CONFIG_ENV_IS_IN_DATAFLASH 192 /* 193 * Datasflash Environment Settings 194 */ 195 #define CONFIG_ENV_OFFSET 0x4200 196 #define CONFIG_ENV_ADDR \ 197 (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 198 /* 8 * 1056 really , but start.s is not OK with this*/ 199 #define CONFIG_ENV_SIZE 0x2000 200 201 #else 202 /* 203 * NOR Flash Environment Settings 204 */ 205 #define CONFIG_ENV_IS_IN_FLASH 1 206 207 #ifdef CONFIG_SKIP_LOWLEVEL_INIT 208 /* 209 * between boot.bin and u-boot.bin.gz 210 */ 211 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0xe000) 212 #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */ 213 #else 214 /* 215 * after u-boot.bin 216 */ 217 #define CONFIG_ENV_ADDR \ 218 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN) 219 #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */ 220 /* The following #defines are needed to get flash environment right */ 221 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 222 #define CONFIG_SYS_MONITOR_LEN \ 223 (CONFIG_SYS_BOOT_SIZE + CONFIG_SYS_U_BOOT_SIZE) 224 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ 225 226 #endif /* CONFIG_ENV_IS_IN_DATAFLASH */ 227 228 /* 229 * Boot option 230 */ 231 #define CONFIG_BOOTDELAY 3 232 233 #ifdef CONFIG_SKIP_LOWLEVEL_INIT 234 /* boot.bin, env, u-boot.bin.gz */ 235 #define CONFIG_SYS_BOOT_SIZE 0x6000 /* 24 KBytes */ 236 #define CONFIG_SYS_U_BOOT_BASE (CONFIG_SYS_FLASH_BASE + 0x10000) 237 #define CONFIG_SYS_U_BOOT_SIZE 0x10000 /* 64 KBytes */ 238 #else 239 /* u-boot.bin */ 240 #define CONFIG_SYS_BOOT_SIZE 0x0 /* 0 KBytes */ 241 #define CONFIG_SYS_U_BOOT_BASE CONFIG_SYS_FLASH_BASE 242 #define CONFIG_SYS_U_BOOT_SIZE 0x40000 /* 128 KBytes */ 243 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ 244 245 #define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */ 246 #define CONFIG_ENV_OVERWRITE 1 247 248 /* 249 * USB Config 250 */ 251 #define CONFIG_CMD_USB 252 #define CONFIG_USB_OHCI_NEW 1 253 #define CONFIG_USB_KEYBOARD 1 254 #define CONFIG_USB_STORAGE 1 255 #define CONFIG_DOS_PARTITION 1 256 257 #undef CONFIG_SYS_USB_OHCI_BOARD_INIT 258 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 259 #define CONFIG_SYS_USB_OHCI_REGS_BASE AT91_USB_HOST_BASE 260 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200" 261 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15 262 263 /* 264 * I2C 265 */ 266 #define CONFIG_HARD_I2C 267 268 #ifdef CONFIG_HARD_I2C 269 #define CONFIG_CMD_I2C 270 #define CONFIG_SYS_I2C_SPEED 0 /* not used */ 271 #define CONFIG_SYS_I2C_SLAVE 0 /* not used */ 272 #endif 273 274 /* 275 * Shell Settings 276 */ 277 #define CONFIG_CMDLINE_EDITING 1 278 #define CONFIG_SYS_LONGHELP 1 279 #define CONFIG_AUTO_COMPLETE 1 280 #define CONFIG_SYS_HUSH_PARSER 1 281 #define CONFIG_SYS_PROMPT "U-Boot> " 282 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 283 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 284 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 285 /* Print Buffer Size */ 286 #define CONFIG_SYS_PBSIZE \ 287 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 288 289 #ifndef __ASSEMBLY__ 290 /*----------------------------------------------------------------------- 291 * Board specific extension for bd_info 292 * 293 * This structure is embedded in the global bd_info (bd_t) structure 294 * and can be used by the board specific code (eg board/...) 295 */ 296 297 struct bd_info_ext { 298 /* helper variable for board environment handling 299 * 300 * env_crc_valid == 0 => uninitialised 301 * env_crc_valid > 0 => environment crc in flash is valid 302 * env_crc_valid < 0 => environment crc in flash is invalid 303 */ 304 int env_crc_valid; 305 }; 306 #endif 307 308 #define CONFIG_SYS_HZ 1000 309 /* 310 * AT91C_TC0_CMR is implicitly set to 311 * AT91C_TC_TIMER_DIV1_CLOCK 312 */ 313 #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2) 314 315 /* 316 * Size of malloc() pool 317 */ 318 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024 \ 319 , 0x1000) 320 /* size in bytes reserved for initial data */ 321 #define CONFIG_SYS_GBL_DATA_SIZE 128 322 323 #define CONFIG_STACKSIZE (32 * 1024) /* regular stack */ 324 #define CONFIG_STACKSIZE_IRQ (4 * 1024) /* Unsure if to big or to small*/ 325 #define CONFIG_STACKSIZE_FIQ (4 * 1024) /* Unsure if to big or to small*/ 326 #endif 327