| /* |
| * (C) Copyright 2007-2008 |
| * Stelian Pop <stelian.pop@leadtechdesign.com> |
| * Lead Tech Design <www.leadtechdesign.com> |
| * |
| * Configuation settings for the AT91SAM9RLEK board. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| #ifndef __CONFIG_H |
| #define __CONFIG_H |
| |
| /* ARM asynchronous clock */ |
| #define AT91_MAIN_CLOCK 200000000 /* from 12.000 MHz crystal */ |
| #define AT91_MASTER_CLOCK 100000000 /* peripheral = main / 2 */ |
| #define CFG_HZ 1000000 /* 1us resolution */ |
| |
| #define AT91_SLOW_CLOCK 32768 /* slow clock */ |
| |
| #define CONFIG_ARM926EJS 1 /* This is an ARM926EJS Core */ |
| #define CONFIG_AT91SAM9RL 1 /* It's an Atmel AT91SAM9RL SoC*/ |
| #define CONFIG_AT91SAM9RLEK 1 /* on an AT91SAM9RLEK Board */ |
| #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ |
| |
| #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ |
| #define CONFIG_SETUP_MEMORY_TAGS 1 |
| #define CONFIG_INITRD_TAG 1 |
| |
| #define CONFIG_SKIP_LOWLEVEL_INIT |
| #define CONFIG_SKIP_RELOCATE_UBOOT |
| |
| /* |
| * Hardware drivers |
| */ |
| #define CONFIG_ATMEL_USART 1 |
| #undef CONFIG_USART0 |
| #undef CONFIG_USART1 |
| #undef CONFIG_USART2 |
| #define CONFIG_USART3 1 /* USART 3 is DBGU */ |
| |
| #define CONFIG_BOOTDELAY 3 |
| |
| /* #define CONFIG_ENV_OVERWRITE 1 */ |
| |
| /* |
| * Command line configuration. |
| */ |
| #include <config_cmd_default.h> |
| #undef CONFIG_CMD_BDI |
| #undef CONFIG_CMD_IMI |
| #undef CONFIG_CMD_AUTOSCRIPT |
| #undef CONFIG_CMD_FPGA |
| #undef CONFIG_CMD_LOADS |
| #undef CONFIG_CMD_IMLS |
| #undef CONFIG_CMD_NET |
| #undef CONFIG_CMD_USB |
| |
| #define CONFIG_CMD_NAND 1 |
| |
| /* SDRAM */ |
| #define CONFIG_NR_DRAM_BANKS 1 |
| #define PHYS_SDRAM 0x20000000 |
| #define PHYS_SDRAM_SIZE 0x04000000 /* 64 megs */ |
| |
| /* DataFlash */ |
| #define CONFIG_HAS_DATAFLASH 1 |
| #define CFG_SPI_WRITE_TOUT (5*CFG_HZ) |
| #define CFG_MAX_DATAFLASH_BANKS 1 |
| #define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ |
| #define AT91_SPI_CLK 15000000 |
| #define DATAFLASH_TCSS (0x1a << 16) |
| #define DATAFLASH_TCHS (0x1 << 24) |
| |
| /* NOR flash - not present */ |
| #define CFG_NO_FLASH 1 |
| |
| /* NAND flash */ |
| #define NAND_MAX_CHIPS 1 |
| #define CFG_MAX_NAND_DEVICE 1 |
| #define CFG_NAND_BASE 0x40000000 |
| #define CFG_NAND_DBW_8 1 |
| |
| /* Ethernet - not present */ |
| |
| /* USB - not supported */ |
| |
| #define CFG_LOAD_ADDR 0x22000000 /* load address */ |
| |
| #define CFG_MEMTEST_START PHYS_SDRAM |
| #define CFG_MEMTEST_END 0x23e00000 |
| |
| #define CFG_USE_DATAFLASH 1 |
| #undef CFG_USE_NANDFLASH |
| |
| #ifdef CFG_USE_DATAFLASH |
| |
| /* bootstrap + u-boot + env + linux in dataflash on CS0 */ |
| #define CFG_ENV_IS_IN_DATAFLASH 1 |
| #define CFG_MONITOR_BASE (CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) |
| #define CFG_ENV_OFFSET 0x4200 |
| #define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CFG_ENV_OFFSET) |
| #define CFG_ENV_SIZE 0x4200 |
| #define CONFIG_BOOTCOMMAND "cp.b 0xC0042000 0x22000000 0x210000; bootm" |
| #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ |
| "root=/dev/mtdblock0 " \ |
| "mtdparts=at91_nand:-(root) "\ |
| "rw rootfstype=jffs2" |
| |
| #else /* CFG_USE_NANDFLASH */ |
| |
| /* bootstrap + u-boot + env + linux in nandflash */ |
| #define CFG_ENV_IS_IN_NAND 1 |
| #define CFG_ENV_OFFSET 0x60000 |
| #define CFG_ENV_OFFSET_REDUND 0x80000 |
| #define CFG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ |
| #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0xA0000 0x200000; bootm" |
| #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ |
| "root=/dev/mtdblock5 " \ |
| "mtdparts=at91_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) " \ |
| "rw rootfstype=jffs2" |
| |
| #endif |
| |
| #define CONFIG_BAUDRATE 115200 |
| #define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } |
| |
| #define CFG_PROMPT "U-Boot> " |
| #define CFG_CBSIZE 256 |
| #define CFG_MAXARGS 16 |
| #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) |
| #define CFG_LONGHELP 1 |
| #define CONFIG_CMDLINE_EDITING 1 |
| |
| #define ROUND(A, B) (((A) + (B)) & ~((B) - 1)) |
| /* |
| * Size of malloc() pool |
| */ |
| #define CFG_MALLOC_LEN ROUND(3 * CFG_ENV_SIZE + 128*1024, 0x1000) |
| #define CFG_GBL_DATA_SIZE 128 /* 128 bytes for initial data */ |
| |
| #define CONFIG_STACKSIZE (32*1024) /* regular stack */ |
| |
| #ifdef CONFIG_USE_IRQ |
| #error CONFIG_USE_IRQ not supported |
| #endif |
| |
| #endif |