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_MC_PUIA_VAL 0x00000000 60 #define CONFIG_SYS_MC_PUP_VAL 0x00000000 61 #define CONFIG_SYS_MC_PUER_VAL 0x00000000 62 #define CONFIG_SYS_MC_ASR_VAL 0x00000000 63 #define CONFIG_SYS_MC_AASR_VAL 0x00000000 64 #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000 65 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ 66 67 /* clocks */ 68 #define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */ 69 #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ 70 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */ 71 #define CONFIG_SYS_MCKR_VAL 0x00000202 72 73 /* sdram */ 74 #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ 75 #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000 76 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000 77 #define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */ 78 #define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */ 79 #define CONFIG_SYS_SDRAM 0x20000000 /* address of the CONFIG_SYS_SDRAM */ 80 #define CONFIG_SYS_SDRAM1 0x20000080 /* address of the CONFIG_SYS_SDRAM */ 81 #define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */ 82 #define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */ 83 #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */ 84 #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */ 85 #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */ 86 #define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ 87 #else 88 #define CONFIG_SKIP_RELOCATE_UBOOT 89 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ 90 91 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */ 92 #define CONFIG_SYS_AT91C_BRGR_DIVISOR 33 93 94 /* 95 * Memory Configuration 96 */ 97 #define CONFIG_NR_DRAM_BANKS 1 98 #define PHYS_SDRAM 0x20000000 99 #define PHYS_SDRAM_SIZE 0x02000000 /* 32 megs */ 100 101 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM 102 #define CONFIG_SYS_MEMTEST_END \ 103 (CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 262144) 104 105 /* 106 * Hardware drivers 107 */ 108 109 /* 110 * UART Configuration 111 * 112 * define one of these to choose the DBGU, 113 * USART0 or USART1 as console 114 */ 115 #define CONFIG_AT91RM9200_USART 116 #define CONFIG_DBGU 117 #undef CONFIG_USART0 118 #undef CONFIG_USART1 119 /* don't include RTS/CTS flow control support */ 120 #undef CONFIG_HWFLOW 121 /* disable modem initialization stuff */ 122 #undef CONFIG_MODEM_SUPPORT 123 124 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 125 #define CONFIG_BAUDRATE 115200 126 127 /* 128 * Command line configuration. 129 */ 130 #include <config_cmd_default.h> 131 132 #define CONFIG_CMD_DHCP 133 #define CONFIG_CMD_FAT 134 #define CONFIG_CMD_MII 135 #define CONFIG_CMD_PING 136 137 #undef CONFIG_CMD_BDI 138 #undef CONFIG_CMD_IMI 139 #undef CONFIG_CMD_FPGA 140 #undef CONFIG_CMD_MISC 141 #undef CONFIG_CMD_LOADS 142 143 #include <asm/arch/AT91RM9200.h> /* needed for port definitions */ 144 /* Options for MMC/SD Card */ 145 #define CONFIG_DOS_PARTITION 1 146 #undef CONFIG_MMC 147 #define CONFIG_SYS_MMC_BASE 0xFFFB4000 148 #define CONFIG_SYS_MMC_BLOCKSIZE 512 149 150 /* 151 * Network Driver Setting 152 */ 153 #define CONFIG_DRIVER_ETHER 154 #define CONFIG_NET_RETRY_COUNT 20 155 #define CONFIG_AT91C_USE_RMII 156 157 /* 158 * AC Characteristics 159 * DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns 160 */ 161 #define DATAFLASH_TCSS (0xC << 16) 162 #define DATAFLASH_TCHS (0x1 << 24) 163 164 #if defined(CONFIG_HAS_DATAFLASH) 165 #define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ) 166 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 167 #define CONFIG_SYS_MAX_DATAFLASH_PAGES 16384 168 /* Logical adress for CS0 */ 169 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 170 /* Logical adress for CS3 */ 171 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 172 #define CONFIG_SYS_SUPPORT_BLOCK_ERASE 1 173 #define CONFIG_SYS_DATAFLASH_MMC_PIO AT91C_PIO_PB22 174 #endif 175 176 /* 177 * NOR Flash 178 */ 179 #define CONFIG_SYS_FLASH_BASE 0x10000000 180 #define PHYS_FLASH_SIZE 0x800000 /* 8MB */ 181 #define CONFIG_SYS_FLASH_CFI 1 182 #define CONFIG_FLASH_CFI_DRIVER 1 183 #define CONFIG_SYS_MAX_FLASH_BANKS 1 184 #define CONFIG_SYS_MAX_FLASH_SECT 256 185 #define CONFIG_SYS_FLASH_PROTECTION 186 187 /* 188 * Environment Settings 189 */ 190 #ifdef CONFIG_ENV_IS_IN_DATAFLASH 191 /* 192 * Datasflash Environment Settings 193 */ 194 #define CONFIG_ENV_OFFSET 0x4200 195 #define CONFIG_ENV_ADDR \ 196 (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 197 /* 8 * 1056 really , but start.s is not OK with this*/ 198 #define CONFIG_ENV_SIZE 0x2000 199 200 #else 201 /* 202 * NOR Flash Environment Settings 203 */ 204 #define CONFIG_ENV_IS_IN_FLASH 1 205 206 #ifdef CONFIG_SKIP_LOWLEVEL_INIT 207 /* 208 * between boot.bin and u-boot.bin.gz 209 */ 210 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0xe000) 211 #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */ 212 #else 213 /* 214 * after u-boot.bin 215 */ 216 #define CONFIG_ENV_ADDR \ 217 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN) 218 #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */ 219 /* The following #defines are needed to get flash environment right */ 220 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 221 #define CONFIG_SYS_MONITOR_LEN \ 222 (CONFIG_SYS_BOOT_SIZE + CONFIG_SYS_U_BOOT_SIZE) 223 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ 224 225 #endif /* CONFIG_ENV_IS_IN_DATAFLASH */ 226 227 /* 228 * Boot option 229 */ 230 #define CONFIG_BOOTDELAY 3 231 232 #ifdef CONFIG_SKIP_LOWLEVEL_INIT 233 /* boot.bin, env, u-boot.bin.gz */ 234 #define CONFIG_SYS_BOOT_SIZE 0x6000 /* 24 KBytes */ 235 #define CONFIG_SYS_U_BOOT_BASE (CONFIG_SYS_FLASH_BASE + 0x10000) 236 #define CONFIG_SYS_U_BOOT_SIZE 0x10000 /* 64 KBytes */ 237 #else 238 /* u-boot.bin */ 239 #define CONFIG_SYS_BOOT_SIZE 0x0 /* 0 KBytes */ 240 #define CONFIG_SYS_U_BOOT_BASE CONFIG_SYS_FLASH_BASE 241 #define CONFIG_SYS_U_BOOT_SIZE 0x40000 /* 128 KBytes */ 242 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ 243 244 #define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */ 245 #define CONFIG_ENV_OVERWRITE 1 246 247 /* 248 * USB Config 249 */ 250 #define CONFIG_CMD_USB 251 #define CONFIG_USB_OHCI_NEW 1 252 #define CONFIG_USB_KEYBOARD 1 253 #define CONFIG_USB_STORAGE 1 254 #define CONFIG_DOS_PARTITION 1 255 256 #undef CONFIG_SYS_USB_OHCI_BOARD_INIT 257 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 258 #define CONFIG_SYS_USB_OHCI_REGS_BASE AT91_USB_HOST_BASE 259 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200" 260 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15 261 262 /* 263 * I2C 264 */ 265 #define CONFIG_HARD_I2C 266 267 #ifdef CONFIG_HARD_I2C 268 #define CONFIG_CMD_I2C 269 #define CONFIG_SYS_I2C_SPEED 0 /* not used */ 270 #define CONFIG_SYS_I2C_SLAVE 0 /* not used */ 271 #endif 272 273 /* 274 * Shell Settings 275 */ 276 #define CONFIG_CMDLINE_EDITING 1 277 #define CONFIG_SYS_LONGHELP 1 278 #define CONFIG_AUTO_COMPLETE 1 279 #define CONFIG_SYS_HUSH_PARSER 1 280 #define CONFIG_SYS_PROMPT "U-Boot> " 281 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 282 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 283 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 284 /* Print Buffer Size */ 285 #define CONFIG_SYS_PBSIZE \ 286 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 287 288 #ifndef __ASSEMBLY__ 289 /*----------------------------------------------------------------------- 290 * Board specific extension for bd_info 291 * 292 * This structure is embedded in the global bd_info (bd_t) structure 293 * and can be used by the board specific code (eg board/...) 294 */ 295 296 struct bd_info_ext { 297 /* helper variable for board environment handling 298 * 299 * env_crc_valid == 0 => uninitialised 300 * env_crc_valid > 0 => environment crc in flash is valid 301 * env_crc_valid < 0 => environment crc in flash is invalid 302 */ 303 int env_crc_valid; 304 }; 305 #endif 306 307 #define CONFIG_SYS_HZ 1000 308 /* 309 * AT91C_TC0_CMR is implicitly set to 310 * AT91C_TC_TIMER_DIV1_CLOCK 311 */ 312 #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2) 313 314 #define ROUND(A, B) (((A) + (B)) & ~((B) - 1)) 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