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#define CONFIG_AT91_LEGACY 30 31/* ARM asynchronous clock */ 32/* 33 * from 18.432 MHz crystal 34 * (18432000 / 4 * 39) 35 */ 36#define AT91C_MAIN_CLOCK 179712000 37/* 38 * peripheral clock 39 * (AT91C_MASTER_CLOCK / 3) 40 */ 41#define AT91C_MASTER_CLOCK 59904000 42 43#define AT91_SLOW_CLOCK 32768 /* slow clock */ 44 45#define CONFIG_ARM920T 1 /* This is an ARM920T Core */ 46#define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */ 47#define CONFIG_AT91RM9200EK 1 /* on an AT91RM9200EK Board */ 48#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ 49#define USE_920T_MMU 1 50 51#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 52#define CONFIG_SETUP_MEMORY_TAGS 1 53#define CONFIG_INITRD_TAG 1 54 55/* 56 * LowLevel Init 57 */ 58#ifndef CONFIG_SKIP_LOWLEVEL_INIT 59#define CONFIG_SYS_USE_MAIN_OSCILLATOR 1 60/* flash */ 61#define CONFIG_SYS_EBI_CFGR_VAL 0x00000000 62#define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ 63 64/* clocks */ 65#define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */ 66#define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ 67/* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */ 68#define CONFIG_SYS_MCKR_VAL 0x00000202 69 70/* sdram */ 71#define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ 72#define CONFIG_SYS_PIOC_BSR_VAL 0x00000000 73#define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000 74#define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */ 75#define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */ 76#define CONFIG_SYS_SDRAM 0x20000000 /* address of the CONFIG_SYS_SDRAM */ 77#define CONFIG_SYS_SDRAM1 0x20000080 /* address of the CONFIG_SYS_SDRAM */ 78#define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */ 79#define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */ 80#define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */ 81#define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */ 82#define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */ 83#define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ 84#else 85#define CONFIG_SKIP_RELOCATE_UBOOT 86#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ 87 88/* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */ 89#define CONFIG_SYS_AT91C_BRGR_DIVISOR 33 90 91/* 92 * Memory Configuration 93 */ 94#define CONFIG_NR_DRAM_BANKS 1 95#define PHYS_SDRAM 0x20000000 96#define PHYS_SDRAM_SIZE 0x02000000 /* 32 megs */ 97 98#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM 99#define CONFIG_SYS_MEMTEST_END \ 100 (CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 262144) 101 102/* 103 * Hardware drivers 104 */ 105 106/* 107 * UART Configuration 108 * 109 * define one of these to choose the DBGU, 110 * USART0 or USART1 as console 111 */ 112#define CONFIG_AT91RM9200_USART 113#define CONFIG_DBGU 114#undef CONFIG_USART0 115#undef CONFIG_USART1 116/* don't include RTS/CTS flow control support */ 117#undef CONFIG_HWFLOW 118/* disable modem initialization stuff */ 119#undef CONFIG_MODEM_SUPPORT 120 121#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 122#define CONFIG_BAUDRATE 115200 123 124/* 125 * Command line configuration. 126 */ 127#include <config_cmd_default.h> 128 129#define CONFIG_CMD_DHCP 130#define CONFIG_CMD_FAT 131#define CONFIG_CMD_MII 132#define CONFIG_CMD_PING 133 134#undef CONFIG_CMD_BDI 135#undef CONFIG_CMD_IMI 136#undef CONFIG_CMD_FPGA 137#undef CONFIG_CMD_MISC 138#undef CONFIG_CMD_LOADS 139 140#include <asm/arch/AT91RM9200.h> /* needed for port definitions */ 141/* Options for MMC/SD Card */ 142#define CONFIG_DOS_PARTITION 1 143#undef CONFIG_MMC 144#define CONFIG_SYS_MMC_BASE 0xFFFB4000 145#define CONFIG_SYS_MMC_BLOCKSIZE 512 146 147/* 148 * Network Driver Setting 149 */ 150#define CONFIG_NET_MULTI 1 151#ifdef CONFIG_NET_MULTI 152#define CONFIG_DRIVER_AT91EMAC 1 153#define CONFIG_SYS_RX_ETH_BUFFER 8 154#else 155#define CONFIG_DRIVER_ETHER 1 156#endif 157#define CONFIG_NET_RETRY_COUNT 20 158#define CONFIG_AT91C_USE_RMII 159 160/* 161 * AC Characteristics 162 * DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns 163 */ 164#define DATAFLASH_TCSS (0xC << 16) 165#define DATAFLASH_TCHS (0x1 << 24) 166 167#if defined(CONFIG_HAS_DATAFLASH) 168#define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ) 169#define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 170#define CONFIG_SYS_MAX_DATAFLASH_PAGES 16384 171/* Logical adress for CS0 */ 172#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 173/* Logical adress for CS3 */ 174#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 175#define CONFIG_SYS_SUPPORT_BLOCK_ERASE 1 176#define CONFIG_SYS_DATAFLASH_MMC_PIO AT91C_PIO_PB22 177#endif 178 179/* 180 * NOR Flash 181 */ 182#define CONFIG_SYS_FLASH_BASE 0x10000000 183#define PHYS_FLASH_SIZE 0x800000 /* 8MB */ 184#define CONFIG_SYS_FLASH_CFI 1 185#define CONFIG_FLASH_CFI_DRIVER 1 186#define CONFIG_SYS_MAX_FLASH_BANKS 1 187#define CONFIG_SYS_MAX_FLASH_SECT 256 188#define CONFIG_SYS_FLASH_PROTECTION 189 190/* 191 * Environment Settings 192 */ 193#ifdef CONFIG_ENV_IS_IN_DATAFLASH 194/* 195 * Datasflash Environment Settings 196 */ 197#define CONFIG_ENV_OFFSET 0x4200 198#define CONFIG_ENV_ADDR \ 199 (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 200/* 8 * 1056 really , but start.s is not OK with this*/ 201#define CONFIG_ENV_SIZE 0x2000 202 203#else 204/* 205 * NOR Flash Environment Settings 206 */ 207#define CONFIG_ENV_IS_IN_FLASH 1 208 209#ifdef CONFIG_SKIP_LOWLEVEL_INIT 210/* 211 * between boot.bin and u-boot.bin.gz 212 */ 213#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0xe000) 214#define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */ 215#else 216/* 217 * after u-boot.bin 218 */ 219#define CONFIG_ENV_ADDR \ 220 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN) 221#define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */ 222/* The following #defines are needed to get flash environment right */ 223#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 224#define CONFIG_SYS_MONITOR_LEN \ 225 (CONFIG_SYS_BOOT_SIZE + CONFIG_SYS_U_BOOT_SIZE) 226#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ 227 228#endif /* CONFIG_ENV_IS_IN_DATAFLASH */ 229 230/* 231 * Boot option 232 */ 233#define CONFIG_BOOTDELAY 3 234 235#ifdef CONFIG_SKIP_LOWLEVEL_INIT 236/* boot.bin, env, u-boot.bin.gz */ 237#define CONFIG_SYS_BOOT_SIZE 0x6000 /* 24 KBytes */ 238#define CONFIG_SYS_U_BOOT_BASE (CONFIG_SYS_FLASH_BASE + 0x10000) 239#define CONFIG_SYS_U_BOOT_SIZE 0x10000 /* 64 KBytes */ 240#else 241/* u-boot.bin */ 242#define CONFIG_SYS_BOOT_SIZE 0x0 /* 0 KBytes */ 243#define CONFIG_SYS_U_BOOT_BASE CONFIG_SYS_FLASH_BASE 244#define CONFIG_SYS_U_BOOT_SIZE 0x40000 /* 128 KBytes */ 245#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ 246 247#define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */ 248#define CONFIG_ENV_OVERWRITE 1 249 250/* 251 * USB Config 252 */ 253#define CONFIG_CMD_USB 254#define CONFIG_USB_OHCI_NEW 1 255#define CONFIG_USB_KEYBOARD 1 256#define CONFIG_USB_STORAGE 1 257#define CONFIG_DOS_PARTITION 1 258 259#undef CONFIG_SYS_USB_OHCI_BOARD_INIT 260#define CONFIG_SYS_USB_OHCI_CPU_INIT 1 261#define CONFIG_SYS_USB_OHCI_REGS_BASE AT91_USB_HOST_BASE 262#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200" 263#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15 264 265/* 266 * I2C 267 */ 268#define CONFIG_HARD_I2C 269 270#ifdef CONFIG_HARD_I2C 271#define CONFIG_CMD_I2C 272#define CONFIG_SYS_I2C_SPEED 0 /* not used */ 273#define CONFIG_SYS_I2C_SLAVE 0 /* not used */ 274#endif 275 276/* 277 * Shell Settings 278 */ 279#define CONFIG_CMDLINE_EDITING 1 280#define CONFIG_SYS_LONGHELP 1 281#define CONFIG_AUTO_COMPLETE 1 282#define CONFIG_SYS_HUSH_PARSER 1 283#define CONFIG_SYS_PROMPT "U-Boot> " 284#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 285#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 286#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 287/* Print Buffer Size */ 288#define CONFIG_SYS_PBSIZE \ 289 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 290 291#ifndef __ASSEMBLY__ 292/*----------------------------------------------------------------------- 293 * Board specific extension for bd_info 294 * 295 * This structure is embedded in the global bd_info (bd_t) structure 296 * and can be used by the board specific code (eg board/...) 297 */ 298 299struct bd_info_ext { 300 /* helper variable for board environment handling 301 * 302 * env_crc_valid == 0 => uninitialised 303 * env_crc_valid > 0 => environment crc in flash is valid 304 * env_crc_valid < 0 => environment crc in flash is invalid 305 */ 306 int env_crc_valid; 307}; 308#endif 309 310#define CONFIG_SYS_HZ 1000 311/* 312 * AT91C_TC0_CMR is implicitly set to 313 * AT91C_TC_TIMER_DIV1_CLOCK 314 */ 315#define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2) 316 317/* 318 * Size of malloc() pool 319 */ 320#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024 \ 321 , 0x1000) 322/* size in bytes reserved for initial data */ 323#define CONFIG_SYS_GBL_DATA_SIZE 128 324 325#define CONFIG_STACKSIZE (32 * 1024) /* regular stack */ 326#define CONFIG_STACKSIZE_IRQ (4 * 1024) /* Unsure if to big or to small*/ 327#define CONFIG_STACKSIZE_FIQ (4 * 1024) /* Unsure if to big or to small*/ 328#endif 329