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 * See file CREDITS for list of people who contributed to this 9 * project. 10 * 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License as 13 * published by the Free Software Foundation; either version 2 of 14 * the License, or (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 24 * MA 02111-1307 USA 25 */ 26 27 #ifndef __CONFIG_H 28 #define __CONFIG_H 29 30 /* 31 * SoC must be defined first, before hardware.h is included. 32 * In this case SoC is defined in boards.cfg. 33 */ 34 #include <asm/hardware.h> 35 36 /* 37 * Warning: changing CONFIG_SYS_TEXT_BASE requires 38 * adapting the initial boot program. 39 * Since the linker has to swallow that define, we must use a pure 40 * hex number here! 41 */ 42 #define CONFIG_SYS_TEXT_BASE 0x21f00000 43 44 /* ARM asynchronous clock */ 45 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 46 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 47 #define CONFIG_SYS_HZ 1000 48 49 /* Define actual evaluation board type from used processor type */ 50 #ifdef CONFIG_AT91SAM9G20 51 # define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */ 52 #else 53 # define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */ 54 #endif 55 56 /* Misc CPU related */ 57 #define CONFIG_ARCH_CPU_INIT 58 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 59 #define CONFIG_SETUP_MEMORY_TAGS 60 #define CONFIG_INITRD_TAG 61 #define CONFIG_SKIP_LOWLEVEL_INIT 62 #define CONFIG_BOARD_EARLY_INIT_F 63 #define CONFIG_DISPLAY_CPUINFO 64 65 #define CONFIG_CMD_BOOTZ 66 #define CONFIG_OF_LIBFDT 67 68 /* general purpose I/O */ 69 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 70 #define CONFIG_AT91_GPIO 71 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 72 73 /* serial console */ 74 #define CONFIG_ATMEL_USART 75 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 76 #define CONFIG_USART_ID ATMEL_ID_SYS 77 #define CONFIG_BAUDRATE 115200 78 79 /* LED */ 80 #define CONFIG_AT91_LED 81 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ 82 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */ 83 84 #define CONFIG_BOOTDELAY 3 85 86 /* 87 * BOOTP options 88 */ 89 #define CONFIG_BOOTP_BOOTFILESIZE 1 90 #define CONFIG_BOOTP_BOOTPATH 1 91 #define CONFIG_BOOTP_GATEWAY 1 92 #define CONFIG_BOOTP_HOSTNAME 1 93 94 /* 95 * Command line configuration. 96 */ 97 #include <config_cmd_default.h> 98 #undef CONFIG_CMD_BDI 99 #undef CONFIG_CMD_FPGA 100 #undef CONFIG_CMD_IMI 101 #undef CONFIG_CMD_IMLS 102 #undef CONFIG_CMD_LOADS 103 #undef CONFIG_CMD_SOURCE 104 105 #define CONFIG_CMD_PING 1 106 #define CONFIG_CMD_DHCP 1 107 #define CONFIG_CMD_NAND 1 108 #define CONFIG_CMD_MMC 109 #define CONFIG_CMD_FAT 110 #define CONFIG_CMD_USB 1 111 112 /* 113 * SDRAM: 1 bank, min 32, max 128 MB 114 * Initialized before u-boot gets started. 115 */ 116 #define CONFIG_NR_DRAM_BANKS 1 117 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 118 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 119 120 /* 121 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 122 * leaving the correct space for initial global data structure above 123 * that address while providing maximum stack area below. 124 */ 125 #ifdef CONFIG_AT91SAM9XE 126 # define CONFIG_SYS_INIT_SP_ADDR \ 127 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 128 #else 129 # define CONFIG_SYS_INIT_SP_ADDR \ 130 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 131 #endif 132 133 /* 134 * The (arm)linux board id set by generic code depending on configured board 135 * (see boards.cfg for different boards) 136 */ 137 #ifdef CONFIG_AT91SAM9G20 138 /* the sam9g20 variants have two different board ids */ 139 # ifdef CONFIG_AT91SAM9G20EK_2MMC 140 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 141 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 142 # else 143 /* or the normal at91sam9g20ek */ 144 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 145 # endif 146 #else 147 /* otherwise default to good old at91sam9260ek */ 148 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 149 #endif 150 151 /* DataFlash */ 152 #ifndef CONFIG_AT91SAM9G20EK_2MMC 153 #define CONFIG_ATMEL_DATAFLASH_SPI 154 #define CONFIG_HAS_DATAFLASH 1 155 #define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ) 156 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 157 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 158 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 159 #define AT91_SPI_CLK 15000000 160 #endif 161 162 #ifdef CONFIG_AT91SAM9G20EK 163 #define DATAFLASH_TCSS (0x22 << 16) 164 #else 165 #define DATAFLASH_TCSS (0x1a << 16) 166 #endif 167 #define DATAFLASH_TCHS (0x1 << 24) 168 169 /* NAND flash */ 170 #ifdef CONFIG_CMD_NAND 171 #define CONFIG_NAND_ATMEL 172 #define CONFIG_SYS_MAX_NAND_DEVICE 1 173 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 174 #define CONFIG_SYS_NAND_DBW_8 175 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 176 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 177 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 178 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 179 #endif 180 181 /* MMC */ 182 #ifdef CONFIG_CMD_MMC 183 #define CONFIG_MMC 184 #define CONFIG_GENERIC_MMC 185 #define CONFIG_GENERIC_ATMEL_MCI 186 #endif 187 188 /* FAT */ 189 #ifdef CONFIG_CMD_FAT 190 #define CONFIG_DOS_PARTITION 191 #endif 192 193 /* NOR flash - no real flash on this board */ 194 #define CONFIG_SYS_NO_FLASH 1 195 196 /* Ethernet */ 197 #define CONFIG_MACB 1 198 #define CONFIG_RMII 1 199 #define CONFIG_NET_RETRY_COUNT 20 200 #define CONFIG_RESET_PHY_R 1 201 202 /* USB */ 203 #define CONFIG_USB_ATMEL 204 #define CONFIG_USB_OHCI_NEW 1 205 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 206 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 207 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 208 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 209 #define CONFIG_USB_STORAGE 1 210 211 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 212 213 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 214 #define CONFIG_SYS_MEMTEST_END 0x23e00000 215 216 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 217 218 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 219 #define CONFIG_ENV_IS_IN_DATAFLASH 1 220 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 221 #define CONFIG_ENV_OFFSET 0x4200 222 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 223 #define CONFIG_ENV_SIZE 0x4200 224 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 225 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 226 "root=/dev/mtdblock0 " \ 227 "mtdparts=atmel_nand:-(root) " \ 228 "rw rootfstype=jffs2" 229 230 #elif CONFIG_SYS_USE_DATAFLASH_CS1 231 232 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 233 #define CONFIG_ENV_IS_IN_DATAFLASH 1 234 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 235 #define CONFIG_ENV_OFFSET 0x4200 236 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 237 #define CONFIG_ENV_SIZE 0x4200 238 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm" 239 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 240 "root=/dev/mtdblock0 " \ 241 "mtdparts=atmel_nand:-(root) " \ 242 "rw rootfstype=jffs2" 243 244 #elif defined(CONFIG_SYS_USE_NANDFLASH) 245 246 /* bootstrap + u-boot + env + linux in nandflash */ 247 #define CONFIG_ENV_IS_IN_NAND 1 248 #define CONFIG_ENV_OFFSET 0xc0000 249 #define CONFIG_ENV_OFFSET_REDUND 0x100000 250 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 251 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 252 #define CONFIG_BOOTARGS \ 253 "console=ttyS0,115200 earlyprintk " \ 254 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 255 "256k(env),256k(env_redundant),256k(spare)," \ 256 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 257 "root=/dev/mtdblock7 rw rootfstype=jffs2" 258 259 #else /* CONFIG_SYS_USE_MMC */ 260 /* bootstrap + u-boot + env + linux in mmc */ 261 #define CONFIG_ENV_IS_IN_MMC 262 /* For FAT system, most cases it should be in the reserved sector */ 263 #define CONFIG_ENV_OFFSET 0x2000 264 #define CONFIG_ENV_SIZE 0x1000 265 #define CONFIG_SYS_MMC_ENV_DEV 0 266 267 #define CONFIG_BOOTCOMMAND \ 268 "fatload mmc 0:1 0x22000000 uImage; bootm" 269 #define CONFIG_BOOTARGS \ 270 "console=ttyS0,115200 earlyprintk " \ 271 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 272 "256k(env),256k(env_redundant),256k(spare)," \ 273 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 274 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 275 #endif 276 277 #define CONFIG_SYS_PROMPT "U-Boot> " 278 #define CONFIG_SYS_CBSIZE 256 279 #define CONFIG_SYS_MAXARGS 16 280 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 281 #define CONFIG_SYS_LONGHELP 1 282 #define CONFIG_CMDLINE_EDITING 1 283 #define CONFIG_AUTO_COMPLETE 284 285 /* 286 * Size of malloc() pool 287 */ 288 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 289 290 #endif 291