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 /* ARM asynchronous clock */ 31 #define AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */ 32 #define CONFIG_SYS_AT91_PLLB 0x107c3e18 /* PLLB settings for USB */ 33 #define CONFIG_SYS_HZ 1000000 /* 1us resolution */ 34 35 #define AT91_SLOW_CLOCK 32768 /* slow clock */ 36 37 #define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */ 38 39 #ifdef CONFIG_AT91SAM9G20EK 40 #define AT91_CPU_NAME "AT91SAM9G20" 41 #define AT91_MASTER_CLOCK 132000000 /* peripheral */ 42 #define AT91_CPU_CLOCK 396000000 /* cpu */ 43 #define CONFIG_AT91SAM9G20 1 /* It's an Atmel AT91SAM9G20 SoC*/ 44 #else 45 #define AT91_CPU_NAME "AT91SAM9260" 46 #define AT91_MASTER_CLOCK 100000000 /* peripheral */ 47 #define AT91_CPU_CLOCK 200000000 /* cpu */ 48 #define CONFIG_AT91SAM9260 1 /* It's an Atmel AT91SAM9260 SoC*/ 49 #endif 50 51 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ 52 53 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 54 #define CONFIG_SETUP_MEMORY_TAGS 1 55 #define CONFIG_INITRD_TAG 1 56 57 #define CONFIG_SKIP_LOWLEVEL_INIT 58 #define CONFIG_SKIP_RELOCATE_UBOOT 59 60 /* 61 * Hardware drivers 62 */ 63 #define CONFIG_ATMEL_USART 1 64 #undef CONFIG_USART0 65 #undef CONFIG_USART1 66 #undef CONFIG_USART2 67 #define CONFIG_USART3 1 /* USART 3 is DBGU */ 68 69 /* LED */ 70 #define CONFIG_AT91_LED 71 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ 72 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */ 73 74 #define CONFIG_BOOTDELAY 3 75 76 /* 77 * BOOTP options 78 */ 79 #define CONFIG_BOOTP_BOOTFILESIZE 1 80 #define CONFIG_BOOTP_BOOTPATH 1 81 #define CONFIG_BOOTP_GATEWAY 1 82 #define CONFIG_BOOTP_HOSTNAME 1 83 84 /* 85 * Command line configuration. 86 */ 87 #include <config_cmd_default.h> 88 #undef CONFIG_CMD_BDI 89 #undef CONFIG_CMD_FPGA 90 #undef CONFIG_CMD_IMI 91 #undef CONFIG_CMD_IMLS 92 #undef CONFIG_CMD_LOADS 93 #undef CONFIG_CMD_SOURCE 94 95 #define CONFIG_CMD_PING 1 96 #define CONFIG_CMD_DHCP 1 97 #define CONFIG_CMD_NAND 1 98 #define CONFIG_CMD_USB 1 99 100 /* SDRAM */ 101 #define CONFIG_NR_DRAM_BANKS 1 102 #define PHYS_SDRAM 0x20000000 103 #define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */ 104 105 /* DataFlash */ 106 #define CONFIG_ATMEL_DATAFLASH_SPI 107 #define CONFIG_HAS_DATAFLASH 1 108 #define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ) 109 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 110 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 111 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 112 #define AT91_SPI_CLK 15000000 113 114 #ifdef CONFIG_AT91SAM9G20EK 115 #define DATAFLASH_TCSS (0x22 << 16) 116 #else 117 #define DATAFLASH_TCSS (0x1a << 16) 118 #endif 119 #define DATAFLASH_TCHS (0x1 << 24) 120 121 /* NAND flash */ 122 #ifdef CONFIG_CMD_NAND 123 #define CONFIG_NAND_ATMEL 124 #define CONFIG_SYS_MAX_NAND_DEVICE 1 125 #define CONFIG_SYS_NAND_BASE 0x40000000 126 #define CONFIG_SYS_NAND_DBW_8 1 127 /* our ALE is AD21 */ 128 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 129 /* our CLE is AD22 */ 130 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 131 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 132 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 133 #endif 134 135 /* NOR flash - no real flash on this board */ 136 #define CONFIG_SYS_NO_FLASH 1 137 138 /* Ethernet */ 139 #define CONFIG_MACB 1 140 #define CONFIG_RMII 1 141 #define CONFIG_NET_MULTI 1 142 #define CONFIG_NET_RETRY_COUNT 20 143 #define CONFIG_RESET_PHY_R 1 144 145 /* USB */ 146 #define CONFIG_USB_ATMEL 147 #define CONFIG_USB_OHCI_NEW 1 148 #define CONFIG_DOS_PARTITION 1 149 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 150 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 151 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 152 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 153 #define CONFIG_USB_STORAGE 1 154 #define CONFIG_CMD_FAT 1 155 156 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 157 158 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM 159 #define CONFIG_SYS_MEMTEST_END 0x23e00000 160 161 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 162 163 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 164 #define CONFIG_ENV_IS_IN_DATAFLASH 1 165 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 166 #define CONFIG_ENV_OFFSET 0x4200 167 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 168 #define CONFIG_ENV_SIZE 0x4200 169 #define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm" 170 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 171 "root=/dev/mtdblock0 " \ 172 "mtdparts=at91_nand:-(root) " \ 173 "rw rootfstype=jffs2" 174 175 #elif CONFIG_SYS_USE_DATAFLASH_CS1 176 177 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 178 #define CONFIG_ENV_IS_IN_DATAFLASH 1 179 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 180 #define CONFIG_ENV_OFFSET 0x4200 181 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 182 #define CONFIG_ENV_SIZE 0x4200 183 #define CONFIG_BOOTCOMMAND "cp.b 0xD0042000 0x22000000 0x210000; bootm" 184 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 185 "root=/dev/mtdblock0 " \ 186 "mtdparts=at91_nand:-(root) " \ 187 "rw rootfstype=jffs2" 188 189 #else /* CONFIG_SYS_USE_NANDFLASH */ 190 191 /* bootstrap + u-boot + env + linux in nandflash */ 192 #define CONFIG_ENV_IS_IN_NAND 1 193 #define CONFIG_ENV_OFFSET 0x60000 194 #define CONFIG_ENV_OFFSET_REDUND 0x80000 195 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 196 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm" 197 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 198 "root=/dev/mtdblock5 " \ 199 "mtdparts=at91_nand:128k(bootstrap)ro," \ 200 "256k(uboot)ro,128k(env1)ro," \ 201 "128k(env2)ro,2M(linux),-(root) " \ 202 "rw rootfstype=jffs2" 203 204 #endif 205 206 #define CONFIG_BAUDRATE 115200 207 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 208 209 #define CONFIG_SYS_PROMPT "U-Boot> " 210 #define CONFIG_SYS_CBSIZE 256 211 #define CONFIG_SYS_MAXARGS 16 212 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 213 #define CONFIG_SYS_LONGHELP 1 214 #define CONFIG_CMDLINE_EDITING 1 215 216 #define ROUND(A, B) (((A) + (B)) & ~((B) - 1)) 217 /* 218 * Size of malloc() pool 219 */ 220 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 221 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* 128 bytes for initial data */ 222 223 #define CONFIG_STACKSIZE (32*1024) /* regular stack */ 224 225 #ifdef CONFIG_USE_IRQ 226 #error CONFIG_USE_IRQ not supported 227 #endif 228 229 #endif 230