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 #define CONFIG_AT91_LEGACY 31 32 /* ARM asynchronous clock */ 33 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */ 34 #define CONFIG_SYS_HZ 1000 35 36 #define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */ 37 38 #ifdef CONFIG_AT91SAM9G20EK 39 #define CONFIG_AT91SAM9G20 1 /* It's an Atmel AT91SAM9G20 SoC*/ 40 #else 41 #define CONFIG_AT91SAM9260 1 /* It's an Atmel AT91SAM9260 SoC*/ 42 #endif 43 44 #define CONFIG_ARCH_CPU_INIT 45 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ 46 47 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 48 #define CONFIG_SETUP_MEMORY_TAGS 1 49 #define CONFIG_INITRD_TAG 1 50 51 #define CONFIG_SKIP_LOWLEVEL_INIT 52 53 /* 54 * Hardware drivers 55 */ 56 #define CONFIG_AT91_GPIO 1 57 #define CONFIG_ATMEL_USART 1 58 #undef CONFIG_USART0 59 #undef CONFIG_USART1 60 #undef CONFIG_USART2 61 #define CONFIG_USART3 1 /* USART 3 is DBGU */ 62 63 /* LED */ 64 #define CONFIG_AT91_LED 65 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ 66 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */ 67 68 #define CONFIG_BOOTDELAY 3 69 70 /* 71 * BOOTP options 72 */ 73 #define CONFIG_BOOTP_BOOTFILESIZE 1 74 #define CONFIG_BOOTP_BOOTPATH 1 75 #define CONFIG_BOOTP_GATEWAY 1 76 #define CONFIG_BOOTP_HOSTNAME 1 77 78 /* 79 * Command line configuration. 80 */ 81 #include <config_cmd_default.h> 82 #undef CONFIG_CMD_BDI 83 #undef CONFIG_CMD_FPGA 84 #undef CONFIG_CMD_IMI 85 #undef CONFIG_CMD_IMLS 86 #undef CONFIG_CMD_LOADS 87 #undef CONFIG_CMD_SOURCE 88 89 #define CONFIG_CMD_PING 1 90 #define CONFIG_CMD_DHCP 1 91 #define CONFIG_CMD_NAND 1 92 #define CONFIG_CMD_USB 1 93 94 /* SDRAM */ 95 #define CONFIG_NR_DRAM_BANKS 1 96 #define PHYS_SDRAM 0x20000000 97 #define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */ 98 99 /* DataFlash */ 100 #define CONFIG_ATMEL_DATAFLASH_SPI 101 #define CONFIG_HAS_DATAFLASH 1 102 #define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ) 103 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 104 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 105 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 106 #define AT91_SPI_CLK 15000000 107 108 #ifdef CONFIG_AT91SAM9G20EK 109 #define DATAFLASH_TCSS (0x22 << 16) 110 #else 111 #define DATAFLASH_TCSS (0x1a << 16) 112 #endif 113 #define DATAFLASH_TCHS (0x1 << 24) 114 115 /* NAND flash */ 116 #ifdef CONFIG_CMD_NAND 117 #define CONFIG_NAND_ATMEL 118 #define CONFIG_SYS_MAX_NAND_DEVICE 1 119 #define CONFIG_SYS_NAND_BASE 0x40000000 120 #define CONFIG_SYS_NAND_DBW_8 1 121 /* our ALE is AD21 */ 122 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 123 /* our CLE is AD22 */ 124 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 125 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 126 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 127 128 #endif 129 130 /* NOR flash - no real flash on this board */ 131 #define CONFIG_SYS_NO_FLASH 1 132 133 /* Ethernet */ 134 #define CONFIG_MACB 1 135 #define CONFIG_RMII 1 136 #define CONFIG_NET_MULTI 1 137 #define CONFIG_NET_RETRY_COUNT 20 138 #define CONFIG_RESET_PHY_R 1 139 140 /* USB */ 141 #define CONFIG_USB_ATMEL 142 #define CONFIG_USB_OHCI_NEW 1 143 #define CONFIG_DOS_PARTITION 1 144 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 145 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 146 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 147 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 148 #define CONFIG_USB_STORAGE 1 149 #define CONFIG_CMD_FAT 1 150 151 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 152 153 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM 154 #define CONFIG_SYS_MEMTEST_END 0x23e00000 155 156 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 157 158 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 159 #define CONFIG_ENV_IS_IN_DATAFLASH 1 160 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 161 #define CONFIG_ENV_OFFSET 0x4200 162 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 163 #define CONFIG_ENV_SIZE 0x4200 164 #define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm" 165 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 166 "root=/dev/mtdblock0 " \ 167 "mtdparts=atmel_nand:-(root) " \ 168 "rw rootfstype=jffs2" 169 170 #elif CONFIG_SYS_USE_DATAFLASH_CS1 171 172 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 173 #define CONFIG_ENV_IS_IN_DATAFLASH 1 174 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 175 #define CONFIG_ENV_OFFSET 0x4200 176 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 177 #define CONFIG_ENV_SIZE 0x4200 178 #define CONFIG_BOOTCOMMAND "cp.b 0xD0042000 0x22000000 0x210000; bootm" 179 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 180 "root=/dev/mtdblock0 " \ 181 "mtdparts=atmel_nand:-(root) " \ 182 "rw rootfstype=jffs2" 183 184 #else /* CONFIG_SYS_USE_NANDFLASH */ 185 186 /* bootstrap + u-boot + env + linux in nandflash */ 187 #define CONFIG_ENV_IS_IN_NAND 1 188 #define CONFIG_ENV_OFFSET 0x60000 189 #define CONFIG_ENV_OFFSET_REDUND 0x80000 190 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 191 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm" 192 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 193 "root=/dev/mtdblock5 " \ 194 "mtdparts=atmel_nand:128k(bootstrap)ro," \ 195 "256k(uboot)ro,128k(env1)ro," \ 196 "128k(env2)ro,2M(linux),-(root) " \ 197 "rw rootfstype=jffs2" 198 199 #endif 200 201 #define CONFIG_BAUDRATE 115200 202 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 203 204 #define CONFIG_SYS_PROMPT "U-Boot> " 205 #define CONFIG_SYS_CBSIZE 256 206 #define CONFIG_SYS_MAXARGS 16 207 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 208 #define CONFIG_SYS_LONGHELP 1 209 #define CONFIG_CMDLINE_EDITING 1 210 211 /* 212 * Size of malloc() pool 213 */ 214 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 215 216 #define CONFIG_STACKSIZE (32*1024) /* regular stack */ 217 218 #ifdef CONFIG_USE_IRQ 219 #error CONFIG_USE_IRQ not supported 220 #endif 221 222 #endif 223