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 AT91SAM9RLEK board. 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_CPU_NAME "AT91SAM9RL" 32 #define AT91_MAIN_CLOCK 200000000 /* from 12.000 MHz crystal */ 33 #define AT91_MASTER_CLOCK 100000000 /* peripheral = main / 2 */ 34 #define CFG_HZ 1000000 /* 1us resolution */ 35 36 #define AT91_SLOW_CLOCK 32768 /* slow clock */ 37 38 #define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */ 39 #define CONFIG_AT91SAM9RL 1 /* It's an Atmel AT91SAM9RL SoC*/ 40 #define CONFIG_AT91SAM9RLEK 1 /* on an AT91SAM9RLEK Board */ 41 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ 42 43 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 44 #define CONFIG_SETUP_MEMORY_TAGS 1 45 #define CONFIG_INITRD_TAG 1 46 47 #define CONFIG_SKIP_LOWLEVEL_INIT 48 #define CONFIG_SKIP_RELOCATE_UBOOT 49 50 /* 51 * Hardware drivers 52 */ 53 #define CONFIG_ATMEL_USART 1 54 #undef CONFIG_USART0 55 #undef CONFIG_USART1 56 #undef CONFIG_USART2 57 #define CONFIG_USART3 1 /* USART 3 is DBGU */ 58 59 /* LCD */ 60 #define CONFIG_LCD 1 61 #define LCD_BPP LCD_COLOR8 62 #define CONFIG_LCD_LOGO 1 63 #undef LCD_TEST_PATTERN 64 #define CONFIG_LCD_INFO 1 65 #define CONFIG_LCD_INFO_BELOW_LOGO 1 66 #define CFG_WHITE_ON_BLACK 1 67 #define CONFIG_ATMEL_LCD 1 68 #define CONFIG_ATMEL_LCD_RGB565 1 69 #define CFG_CONSOLE_IS_IN_ENV 1 70 71 #define CONFIG_BOOTDELAY 3 72 73 /* #define CONFIG_ENV_OVERWRITE 1 */ 74 75 /* 76 * Command line configuration. 77 */ 78 #include <config_cmd_default.h> 79 #undef CONFIG_CMD_BDI 80 #undef CONFIG_CMD_IMI 81 #undef CONFIG_CMD_AUTOSCRIPT 82 #undef CONFIG_CMD_FPGA 83 #undef CONFIG_CMD_LOADS 84 #undef CONFIG_CMD_IMLS 85 #undef CONFIG_CMD_NET 86 #undef CONFIG_CMD_USB 87 88 #define CONFIG_CMD_NAND 1 89 90 /* SDRAM */ 91 #define CONFIG_NR_DRAM_BANKS 1 92 #define PHYS_SDRAM 0x20000000 93 #define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */ 94 95 /* DataFlash */ 96 #define CONFIG_HAS_DATAFLASH 1 97 #define CFG_SPI_WRITE_TOUT (5*CFG_HZ) 98 #define CFG_MAX_DATAFLASH_BANKS 1 99 #define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 100 #define AT91_SPI_CLK 15000000 101 #define DATAFLASH_TCSS (0x1a << 16) 102 #define DATAFLASH_TCHS (0x1 << 24) 103 104 /* NOR flash - not present */ 105 #define CFG_NO_FLASH 1 106 107 /* NAND flash */ 108 #define NAND_MAX_CHIPS 1 109 #define CFG_MAX_NAND_DEVICE 1 110 #define CFG_NAND_BASE 0x40000000 111 #define CFG_NAND_DBW_8 1 112 113 /* Ethernet - not present */ 114 115 /* USB - not supported */ 116 117 #define CFG_LOAD_ADDR 0x22000000 /* load address */ 118 119 #define CFG_MEMTEST_START PHYS_SDRAM 120 #define CFG_MEMTEST_END 0x23e00000 121 122 #define CFG_USE_DATAFLASH 1 123 #undef CFG_USE_NANDFLASH 124 125 #ifdef CFG_USE_DATAFLASH 126 127 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 128 #define CFG_ENV_IS_IN_DATAFLASH 1 129 #define CFG_MONITOR_BASE (CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 130 #define CFG_ENV_OFFSET 0x4200 131 #define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET) 132 #define CFG_ENV_SIZE 0x4200 133 #define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm" 134 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 135 "root=/dev/mtdblock0 " \ 136 "mtdparts=at91_nand:-(root) "\ 137 "rw rootfstype=jffs2" 138 139 #else /* CFG_USE_NANDFLASH */ 140 141 /* bootstrap + u-boot + env + linux in nandflash */ 142 #define CFG_ENV_IS_IN_NAND 1 143 #define CFG_ENV_OFFSET 0x60000 144 #define CFG_ENV_OFFSET_REDUND 0x80000 145 #define CFG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 146 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm" 147 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 148 "root=/dev/mtdblock5 " \ 149 "mtdparts=at91_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \ 150 "rw rootfstype=jffs2" 151 152 #endif 153 154 #define CONFIG_BAUDRATE 115200 155 #define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 156 157 #define CFG_PROMPT "U-Boot> " 158 #define CFG_CBSIZE 256 159 #define CFG_MAXARGS 16 160 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) 161 #define CFG_LONGHELP 1 162 #define CONFIG_CMDLINE_EDITING 1 163 164 #define ROUND(A, B) (((A) + (B)) & ~((B) - 1)) 165 /* 166 * Size of malloc() pool 167 */ 168 #define CFG_MALLOC_LEN ROUND(3 * CFG_ENV_SIZE + 128*1024, 0x1000) 169 #define CFG_GBL_DATA_SIZE 128 /* 128 bytes for initial data */ 170 171 #define CONFIG_STACKSIZE (32*1024) /* regular stack */ 172 173 #ifdef CONFIG_USE_IRQ 174 #error CONFIG_USE_IRQ not supported 175 #endif 176 177 #endif 178