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Diffstat (limited to 'include/configs/at91sam9g20ek.h')
| -rw-r--r-- | include/configs/at91sam9g20ek.h | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/include/configs/at91sam9g20ek.h b/include/configs/at91sam9g20ek.h new file mode 100644 index 00000000000..306f2940833 --- /dev/null +++ b/include/configs/at91sam9g20ek.h @@ -0,0 +1,241 @@ +/* + * (C) Copyright 2008 + * ATMEL Corporation. + * + * Rick Bronson <rick@efn.org> + * + * Configuation settings for the AT91SAM9260EK 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 + +/* + * If we are developing, we might want to start armboot from ram + * so we MUST NOT initialize critical regs like mem-timing ... + */ + +/* ARM asynchronous clock */ +#define AT91C_MASTER_CLOCK 132096000 /* peripheral clock */ + + +#define AT91_SLOW_CLOCK 32768 /* slow clock */ + +#define CFG_HZ 1000 + +#define CONFIG_AT91SAM9260EK 1 /* on an AT91SAM9260EK 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 this to include the functionality of boot.bin in u-boot */ +#define CONFIG_SKIP_LOWLEVEL_INIT +#define CONFIG_SKIP_RELOCATE_UBOOT +/* + * Size of malloc() pool + */ +#define CFG_MALLOC_LEN (3*CFG_ENV_SIZE + 128*1024) +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ + +#define CONFIG_BAUDRATE 115200 + +/* + * Hardware drivers + */ + +/* define one of these to choose the DBGU, USART0 or USART1 as console */ +#define CONFIG_DBGU 1 +#undef CONFIG_USART0 +#undef CONFIG_USART1 +#undef CONFIG_USART2 + +#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */ + +#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */ + +#define CONFIG_BOOTDELAY 3 + +/* #define CONFIG_ENV_OVERWRITE 1 */ +#define BOARD_LATE_INIT 1 + +#define CONFIG_COMMANDS \ + ((CONFIG_CMD_DFL | \ + CFG_CMD_NET | \ + CFG_CMD_PING | \ + CFG_CMD_ENV | \ + CFG_CMD_USB | \ + CFG_CMD_FLASH | \ + CFG_CMD_NAND | \ + CFG_CMD_AUTOSCRIPT | \ + CFG_CMD_FAT ) & \ + ~(CFG_CMD_BDI | \ + CFG_CMD_IMLS | \ + CFG_CMD_IMI | \ + CFG_CMD_FPGA | \ + CFG_CMD_MISC | \ + CFG_CMD_LOADS)) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +#define NAND_MAX_CHIPS 1 /* Max number of NAND devices */ +#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ +#define CFG_NAND_BASE 0x40000000 +#define CONFIG_NEW_NAND_CODE + +#define ADDR_COLUMN 1 +#define ADDR_PAGE 2 +#define ADDR_COLUMN_PAGE 3 + +#define NAND_ChipID_UNKNOWN 0 +#define NAND_MAX_FLOORS 1 +#undef CFG_NAND_WP + + + +/* These timings are specific to MT29F2G16AAB 256Mb (Micron) + * at MCK = 100 MHZ + */ + +#define AT91C_SM_NWE_SETUP (0 << 0) +#define AT91C_SM_NCS_WR_SETUP (0 << 8) +#define AT91C_SM_NRD_SETUP (0 << 16) +#define AT91C_SM_NCS_RD_SETUP (0 << 24) + +#define AT91C_SM_NWE_PULSE (4 << 0) +#define AT91C_SM_NCS_WR_PULSE (6 << 8) +#define AT91C_SM_NRD_PULSE (3 << 16) +#define AT91C_SM_NCS_RD_PULSE (5 << 24) + +#define AT91C_SM_NWE_CYCLE (6 << 0) +#define AT91C_SM_NRD_CYCLE (5 << 16) + +#define AT91C_SM_TDF (1 << 16) + + + +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM 0x20000000 +#define PHYS_SDRAM_SIZE 0x4000000 /* 64 megs */ + +#define CFG_MEMTEST_START PHYS_SDRAM +#define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144 + +#define CONFIG_DRIVER_ETHER 1 +#define CONFIG_AT91C_USE_RMII 1 +#define AT91C_PHY_ADDR 0 +#define AT91C_ETH_TIMEOUT 120000 +#define CONFIG_NET_RETRY_COUNT 5000 +#define CONFIG_TFTP_TIMEOUT 2500 + +#define CONFIG_HAS_DATAFLASH 1 +#define CFG_SPI_WRITE_TOUT (50*CFG_HZ) + +/* AC Characteristics */ +/* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */ +#define DATAFLASH_TCSS (0x22 << 16) +#define DATAFLASH_TCHS (0x1 << 24) + +#define CFG_MAX_DATAFLASH_BANKS 2 +#define CFG_MAX_DATAFLASH_PAGES 16384 +#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */ +#define CFG_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* Logical adress for CS1 */ + +#define CFG_NO_FLASH 1 +#define PHYS_FLASH_1 0x10000000 +#define PHYS_FLASH_SIZE 0x800000 /* 2 megs main flash */ +#define CFG_FLASH_BASE PHYS_FLASH_1 +#define CFG_MAX_FLASH_BANKS 1 +#define CFG_MAX_FLASH_SECT 256 +#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */ +#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */ + +#undef CFG_ENV_IS_IN_FLASH +#define CFG_ENV_IS_IN_DATAFLASH 1 +#undef CFG_ENV_IS_IN_NAND + +#ifdef CFG_ENV_IS_IN_NAND +#define CFG_ENV_OFFSET 0x60000 /* environment starts here */ +#define CFG_ENV_OFFSET_REDUND 0x80000 /* redundant environment starts here */ +#define CFG_ENV_SIZE 0x20000 /* 1 sector = 128kB */ +#endif + +#ifdef CFG_ENV_IS_IN_DATAFLASH +#define CFG_ENV_OFFSET 0x4000 +#define CFG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS1 + CFG_ENV_OFFSET) +#define CFG_ENV_SIZE 0x4000 /* 0x8000 */ +#endif + +#ifdef CFG_ENV_IS_IN_FLASH +#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* between boot.bin and u-boot.bin.gz */ +#define CFG_ENV_SIZE 0x2000 /* 0x8000 */ +#endif + +/* Add USB stuff */ +#define CONFIG_USB_OHCI 1 +#define CONFIG_USB_STORAGE 1 +#define CONFIG_DOS_PARTITION 1 +#define LITTLEENDIAN 1 + +#define CFG_LOAD_ADDR 0x23f00000 /* default load address */ + +#define CFG_BOOT_SIZE 0x6000 /* 24 KBytes */ +#define CFG_U_BOOT_BASE (PHYS_FLASH_1 + 0x10000) +#define CFG_U_BOOT_SIZE 0x10000 /* 64 KBytes */ + + +#define CFG_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } +#define CFG_CONSOLE_IS_SERIAL +#undef CFG_CONSOLE_IS_LCD +#define CFG_PROMPT "U-Boot> " /* Monitor Command Prompt */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ + + +#ifndef __ASSEMBLY__ +/*----------------------------------------------------------------------- + * Board specific extension for bd_info + * + * This structure is embedded in the global bd_info (bd_t) structure + * and can be used by the board specific code (eg board/...) + */ + +struct bd_info_ext { + /* helper variable for board environment handling + * + * env_crc_valid == 0 => uninitialised + * env_crc_valid > 0 => environment crc in flash is valid + * env_crc_valid < 0 => environment crc in flash is invalid + */ + int env_crc_valid; +}; +#endif + + +#define CONFIG_STACKSIZE (32*1024) /* regular stack */ + +#ifdef CONFIG_USE_IRQ +#error CONFIG_USE_IRQ not supported +#endif + +#endif |