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 12000000 /* 12 MHz crystal */ 33 #define AT91_MASTER_CLOCK 100000000 /* peripheral */ 34 #define AT91_CPU_CLOCK 200000000 /* cpu */ 35 #define CONFIG_SYS_HZ 1000000 /* 1us resolution */ 36 37 #define AT91_SLOW_CLOCK 32768 /* slow clock */ 38 39 #define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */ 40 #define CONFIG_AT91SAM9RL 1 /* It's an Atmel AT91SAM9RL SoC*/ 41 #define CONFIG_AT91SAM9RLEK 1 /* on an AT91SAM9RLEK Board */ 42 #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ 43 44 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 45 #define CONFIG_SETUP_MEMORY_TAGS 1 46 #define CONFIG_INITRD_TAG 1 47 48 #define CONFIG_SKIP_LOWLEVEL_INIT 49 #define CONFIG_SKIP_RELOCATE_UBOOT 50 51 /* 52 * Hardware drivers 53 */ 54 #define CONFIG_ATMEL_USART 1 55 #undef CONFIG_USART0 56 #undef CONFIG_USART1 57 #undef CONFIG_USART2 58 #define CONFIG_USART3 1 /* USART 3 is DBGU */ 59 60 /* LCD */ 61 #define CONFIG_LCD 1 62 #define LCD_BPP LCD_COLOR8 63 #define CONFIG_LCD_LOGO 1 64 #undef LCD_TEST_PATTERN 65 #define CONFIG_LCD_INFO 1 66 #define CONFIG_LCD_INFO_BELOW_LOGO 1 67 #define CONFIG_SYS_WHITE_ON_BLACK 1 68 #define CONFIG_ATMEL_LCD 1 69 #define CONFIG_ATMEL_LCD_RGB565 1 70 #define CONFIG_SYS_CONSOLE_IS_IN_ENV 1 71 72 /* LED */ 73 #define CONFIG_AT91_LED 74 #define CONFIG_RED_LED AT91_PIN_PD14 /* this is the power led */ 75 #define CONFIG_GREEN_LED AT91_PIN_PD15 /* this is the user1 led */ 76 #define CONFIG_YELLOW_LED AT91_PIN_PD16 /* this is the user2 led */ 77 78 #define CONFIG_BOOTDELAY 3 79 80 /* 81 * Command line configuration. 82 */ 83 #include <config_cmd_default.h> 84 #undef CONFIG_CMD_BDI 85 #undef CONFIG_CMD_FPGA 86 #undef CONFIG_CMD_IMI 87 #undef CONFIG_CMD_IMLS 88 #undef CONFIG_CMD_LOADS 89 #undef CONFIG_CMD_NET 90 #undef CONFIG_CMD_SOURCE 91 #undef CONFIG_CMD_USB 92 93 #define CONFIG_CMD_NAND 1 94 95 /* SDRAM */ 96 #define CONFIG_NR_DRAM_BANKS 1 97 #define PHYS_SDRAM 0x20000000 98 #define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */ 99 100 /* DataFlash */ 101 #define CONFIG_HAS_DATAFLASH 1 102 #define CONFIG_SYS_SPI_WRITE_TOUT (5*CONFIG_SYS_HZ) 103 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 1 104 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 105 #define AT91_SPI_CLK 15000000 106 #define DATAFLASH_TCSS (0x1a << 16) 107 #define DATAFLASH_TCHS (0x1 << 24) 108 109 /* NOR flash - not present */ 110 #define CONFIG_SYS_NO_FLASH 1 111 112 /* NAND flash */ 113 #ifdef CONFIG_CMD_NAND 114 #define CONFIG_NAND_ATMEL 115 #define CONFIG_SYS_MAX_NAND_DEVICE 1 116 #define CONFIG_SYS_NAND_BASE 0x40000000 117 #define CONFIG_SYS_NAND_DBW_8 1 118 /* our ALE is AD21 */ 119 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 120 /* our CLE is AD22 */ 121 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 122 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 123 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 124 #endif 125 126 /* Ethernet - not present */ 127 128 /* USB - not supported */ 129 130 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 131 132 #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM 133 #define CONFIG_SYS_MEMTEST_END 0x23e00000 134 135 #ifdef CONFIG_SYS_USE_DATAFLASH 136 137 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 138 #define CONFIG_ENV_IS_IN_DATAFLASH 1 139 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 140 #define CONFIG_ENV_OFFSET 0x4200 141 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 142 #define CONFIG_ENV_SIZE 0x4200 143 #define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm" 144 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 145 "root=/dev/mtdblock0 " \ 146 "mtdparts=at91_nand:-(root) "\ 147 "rw rootfstype=jffs2" 148 149 #else /* CONFIG_SYS_USE_NANDFLASH */ 150 151 /* bootstrap + u-boot + env + linux in nandflash */ 152 #define CONFIG_ENV_IS_IN_NAND 1 153 #define CONFIG_ENV_OFFSET 0x60000 154 #define CONFIG_ENV_OFFSET_REDUND 0x80000 155 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 156 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm" 157 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 158 "root=/dev/mtdblock5 " \ 159 "mtdparts=at91_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \ 160 "rw rootfstype=jffs2" 161 162 #endif 163 164 #define CONFIG_BAUDRATE 115200 165 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } 166 167 #define CONFIG_SYS_PROMPT "U-Boot> " 168 #define CONFIG_SYS_CBSIZE 256 169 #define CONFIG_SYS_MAXARGS 16 170 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 171 #define CONFIG_SYS_LONGHELP 1 172 #define CONFIG_CMDLINE_EDITING 1 173 174 #define ROUND(A, B) (((A) + (B)) & ~((B) - 1)) 175 /* 176 * Size of malloc() pool 177 */ 178 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 179 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* 128 bytes for initial data */ 180 181 #define CONFIG_STACKSIZE (32*1024) /* regular stack */ 182 183 #ifdef CONFIG_USE_IRQ 184 #error CONFIG_USE_IRQ not supported 185 #endif 186 187 #endif 188