1 /* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian.pop@leadtechdesign.com> 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 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ 59 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 60 #define CONFIG_SETUP_MEMORY_TAGS 61 #define CONFIG_INITRD_TAG 62 #define CONFIG_SKIP_LOWLEVEL_INIT 63 #define CONFIG_BOARD_EARLY_INIT_F 64 #define CONFIG_DISPLAY_CPUINFO 65 66 /* general purpose I/O */ 67 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 68 #define CONFIG_AT91_GPIO 69 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 70 71 /* serial console */ 72 #define CONFIG_ATMEL_USART 73 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 74 #define CONFIG_USART_ID ATMEL_ID_SYS 75 #define CONFIG_BAUDRATE 115200 76 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 77 78 /* LED */ 79 #define CONFIG_AT91_LED 80 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ 81 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */ 82 83 #define CONFIG_BOOTDELAY 3 84 85 /* 86 * BOOTP options 87 */ 88 #define CONFIG_BOOTP_BOOTFILESIZE 1 89 #define CONFIG_BOOTP_BOOTPATH 1 90 #define CONFIG_BOOTP_GATEWAY 1 91 #define CONFIG_BOOTP_HOSTNAME 1 92 93 /* 94 * Command line configuration. 95 */ 96 #include <config_cmd_default.h> 97 #undef CONFIG_CMD_BDI 98 #undef CONFIG_CMD_FPGA 99 #undef CONFIG_CMD_IMI 100 #undef CONFIG_CMD_IMLS 101 #undef CONFIG_CMD_LOADS 102 #undef CONFIG_CMD_SOURCE 103 104 #define CONFIG_CMD_PING 1 105 #define CONFIG_CMD_DHCP 1 106 #define CONFIG_CMD_NAND 1 107 #define CONFIG_CMD_USB 1 108 109 /* 110 * SDRAM: 1 bank, min 32, max 128 MB 111 * Initialized before u-boot gets started. 112 */ 113 #define CONFIG_NR_DRAM_BANKS 1 114 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 115 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 116 117 /* 118 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 119 * leaving the correct space for initial global data structure above 120 * that address while providing maximum stack area below. 121 */ 122 #ifdef CONFIG_AT91SAM9XE 123 # define CONFIG_SYS_INIT_SP_ADDR \ 124 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 125 #else 126 # define CONFIG_SYS_INIT_SP_ADDR \ 127 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 128 #endif 129 130 /* DataFlash */ 131 #define CONFIG_ATMEL_DATAFLASH_SPI 132 #define CONFIG_HAS_DATAFLASH 1 133 #define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ) 134 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 135 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 136 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 137 #define AT91_SPI_CLK 15000000 138 139 #ifdef CONFIG_AT91SAM9G20EK 140 #define DATAFLASH_TCSS (0x22 << 16) 141 #else 142 #define DATAFLASH_TCSS (0x1a << 16) 143 #endif 144 #define DATAFLASH_TCHS (0x1 << 24) 145 146 /* NAND flash */ 147 #ifdef CONFIG_CMD_NAND 148 #define CONFIG_NAND_ATMEL 149 #define CONFIG_SYS_MAX_NAND_DEVICE 1 150 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 151 #define CONFIG_SYS_NAND_DBW_8 152 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 153 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 154 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 155 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 156 #endif 157 158 /* NOR flash - no real flash on this board */ 159 #define CONFIG_SYS_NO_FLASH 1 160 161 /* Ethernet */ 162 #define CONFIG_MACB 1 163 #define CONFIG_RMII 1 164 #define CONFIG_NET_RETRY_COUNT 20 165 #define CONFIG_RESET_PHY_R 1 166 167 /* USB */ 168 #define CONFIG_USB_ATMEL 169 #define CONFIG_USB_OHCI_NEW 1 170 #define CONFIG_DOS_PARTITION 1 171 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 172 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 173 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 174 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 175 #define CONFIG_USB_STORAGE 1 176 #define CONFIG_CMD_FAT 1 177 178 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 179 180 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 181 #define CONFIG_SYS_MEMTEST_END 0x23e00000 182 183 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 184 185 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 186 #define CONFIG_ENV_IS_IN_DATAFLASH 1 187 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 188 #define CONFIG_ENV_OFFSET 0x4200 189 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 190 #define CONFIG_ENV_SIZE 0x4200 191 #define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm" 192 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 193 "root=/dev/mtdblock0 " \ 194 "mtdparts=atmel_nand:-(root) " \ 195 "rw rootfstype=jffs2" 196 197 #elif CONFIG_SYS_USE_DATAFLASH_CS1 198 199 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 200 #define CONFIG_ENV_IS_IN_DATAFLASH 1 201 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 202 #define CONFIG_ENV_OFFSET 0x4200 203 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 204 #define CONFIG_ENV_SIZE 0x4200 205 #define CONFIG_BOOTCOMMAND "cp.b 0xD0042000 0x22000000 0x210000; bootm" 206 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 207 "root=/dev/mtdblock0 " \ 208 "mtdparts=atmel_nand:-(root) " \ 209 "rw rootfstype=jffs2" 210 211 #else /* CONFIG_SYS_USE_NANDFLASH */ 212 213 /* bootstrap + u-boot + env + linux in nandflash */ 214 #define CONFIG_ENV_IS_IN_NAND 1 215 #define CONFIG_ENV_OFFSET 0x60000 216 #define CONFIG_ENV_OFFSET_REDUND 0x80000 217 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 218 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm" 219 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 220 "root=/dev/mtdblock5 " \ 221 "mtdparts=atmel_nand:128k(bootstrap)ro," \ 222 "256k(uboot)ro,128k(env1)ro," \ 223 "128k(env2)ro,2M(linux),-(root) " \ 224 "rw rootfstype=jffs2" 225 226 #endif 227 228 #define CONFIG_SYS_PROMPT "U-Boot> " 229 #define CONFIG_SYS_CBSIZE 256 230 #define CONFIG_SYS_MAXARGS 16 231 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 232 #define CONFIG_SYS_LONGHELP 1 233 #define CONFIG_CMDLINE_EDITING 1 234 235 /* 236 * Size of malloc() pool 237 */ 238 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 239 240 #define CONFIG_STACKSIZE (32*1024) /* regular stack */ 241 242 #ifdef CONFIG_USE_IRQ 243 #error CONFIG_USE_IRQ not supported 244 #endif 245 246 #endif 247