/* * Ulf Samuelsson * Rick Bronson * * Configuration settings for the AT91RM9200EK 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 #define CONFIG_AT91_LEGACY /* ARM asynchronous clock */ /* * from 18.432 MHz crystal * (18432000 / 4 * 39) */ #define AT91C_MAIN_CLOCK 179712000 /* * peripheral clock * (AT91C_MASTER_CLOCK / 3) */ #define AT91C_MASTER_CLOCK 59904000 #define AT91_SLOW_CLOCK 32768 /* slow clock */ #define CONFIG_ARM920T 1 /* This is an ARM920T Core */ #define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */ #define CONFIG_AT91RM9200EK 1 /* on an AT91RM9200EK Board */ #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ #define USE_920T_MMU 1 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ #define CONFIG_SETUP_MEMORY_TAGS 1 #define CONFIG_INITRD_TAG 1 /* * LowLevel Init */ #ifndef CONFIG_SKIP_LOWLEVEL_INIT #define CONFIG_SYS_USE_MAIN_OSCILLATOR 1 /* flash */ #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */ /* clocks */ #define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */ #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */ #define CONFIG_SYS_MCKR_VAL 0x00000202 /* sdram */ #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000 #define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */ #define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */ #define CONFIG_SYS_SDRAM 0x20000000 /* address of the CONFIG_SYS_SDRAM */ #define CONFIG_SYS_SDRAM1 0x20000080 /* address of the CONFIG_SYS_SDRAM */ #define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */ #define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */ #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */ #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */ #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */ #define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ #else #define CONFIG_SKIP_RELOCATE_UBOOT #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */ #define CONFIG_SYS_AT91C_BRGR_DIVISOR 33 /* * Memory Configuration */ #define CONFIG_NR_DRAM_BANKS 1 #define PHYS_SDRAM 0x20000000 #define PHYS_SDRAM_SIZE 0x02000000 /* 32 megs */ #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM #define CONFIG_SYS_MEMTEST_END \ (CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 262144) /* * Hardware drivers */ /* * UART Configuration * * define one of these to choose the DBGU, * USART0 or USART1 as console */ #define CONFIG_AT91RM9200_USART #define CONFIG_DBGU #undef CONFIG_USART0 #undef CONFIG_USART1 /* don't include RTS/CTS flow control support */ #undef CONFIG_HWFLOW /* disable modem initialization stuff */ #undef CONFIG_MODEM_SUPPORT #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } #define CONFIG_BAUDRATE 115200 /* * Command line configuration. */ #include #define CONFIG_CMD_DHCP #define CONFIG_CMD_FAT #define CONFIG_CMD_MII #define CONFIG_CMD_PING #undef CONFIG_CMD_BDI #undef CONFIG_CMD_IMI #undef CONFIG_CMD_FPGA #undef CONFIG_CMD_MISC #undef CONFIG_CMD_LOADS #include /* needed for port definitions */ /* Options for MMC/SD Card */ #define CONFIG_DOS_PARTITION 1 #undef CONFIG_MMC #define CONFIG_SYS_MMC_BASE 0xFFFB4000 #define CONFIG_SYS_MMC_BLOCKSIZE 512 /* * Network Driver Setting */ #define CONFIG_NET_MULTI 1 #ifdef CONFIG_NET_MULTI #define CONFIG_DRIVER_AT91EMAC 1 #define CONFIG_SYS_RX_ETH_BUFFER 8 #else #define CONFIG_DRIVER_ETHER 1 #endif #define CONFIG_NET_RETRY_COUNT 20 #define CONFIG_AT91C_USE_RMII /* * AC Characteristics * DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */ #define DATAFLASH_TCSS (0xC << 16) #define DATAFLASH_TCHS (0x1 << 24) #if defined(CONFIG_HAS_DATAFLASH) #define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ) #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 #define CONFIG_SYS_MAX_DATAFLASH_PAGES 16384 /* Logical adress for CS0 */ #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS3 */ #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 #define CONFIG_SYS_SUPPORT_BLOCK_ERASE 1 #define CONFIG_SYS_DATAFLASH_MMC_PIO AT91C_PIO_PB22 #endif /* * NOR Flash */ #define CONFIG_SYS_FLASH_BASE 0x10000000 #define PHYS_FLASH_SIZE 0x800000 /* 8MB */ #define CONFIG_SYS_FLASH_CFI 1 #define CONFIG_FLASH_CFI_DRIVER 1 #define CONFIG_SYS_MAX_FLASH_BANKS 1 #define CONFIG_SYS_MAX_FLASH_SECT 256 #define CONFIG_SYS_FLASH_PROTECTION /* * Environment Settings */ #ifdef CONFIG_ENV_IS_IN_DATAFLASH /* * Datasflash Environment Settings */ #define CONFIG_ENV_OFFSET 0x4200 #define CONFIG_ENV_ADDR \ (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) /* 8 * 1056 really , but start.s is not OK with this*/ #define CONFIG_ENV_SIZE 0x2000 #else /* * NOR Flash Environment Settings */ #define CONFIG_ENV_IS_IN_FLASH 1 #ifdef CONFIG_SKIP_LOWLEVEL_INIT /* * between boot.bin and u-boot.bin.gz */ #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0xe000) #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */ #else /* * after u-boot.bin */ #define CONFIG_ENV_ADDR \ (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN) #define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */ /* The following #defines are needed to get flash environment right */ #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE #define CONFIG_SYS_MONITOR_LEN \ (CONFIG_SYS_BOOT_SIZE + CONFIG_SYS_U_BOOT_SIZE) #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ #endif /* CONFIG_ENV_IS_IN_DATAFLASH */ /* * Boot option */ #define CONFIG_BOOTDELAY 3 #ifdef CONFIG_SKIP_LOWLEVEL_INIT /* boot.bin, env, u-boot.bin.gz */ #define CONFIG_SYS_BOOT_SIZE 0x6000 /* 24 KBytes */ #define CONFIG_SYS_U_BOOT_BASE (CONFIG_SYS_FLASH_BASE + 0x10000) #define CONFIG_SYS_U_BOOT_SIZE 0x10000 /* 64 KBytes */ #else /* u-boot.bin */ #define CONFIG_SYS_BOOT_SIZE 0x0 /* 0 KBytes */ #define CONFIG_SYS_U_BOOT_BASE CONFIG_SYS_FLASH_BASE #define CONFIG_SYS_U_BOOT_SIZE 0x40000 /* 128 KBytes */ #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ #define CONFIG_SYS_LOAD_ADDR 0x21000000 /* default load address */ #define CONFIG_ENV_OVERWRITE 1 /* * USB Config */ #define CONFIG_CMD_USB #define CONFIG_USB_OHCI_NEW 1 #define CONFIG_USB_KEYBOARD 1 #define CONFIG_USB_STORAGE 1 #define CONFIG_DOS_PARTITION 1 #undef CONFIG_SYS_USB_OHCI_BOARD_INIT #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 #define CONFIG_SYS_USB_OHCI_REGS_BASE AT91_USB_HOST_BASE #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200" #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15 /* * I2C */ #define CONFIG_HARD_I2C #ifdef CONFIG_HARD_I2C #define CONFIG_CMD_I2C #define CONFIG_SYS_I2C_SPEED 0 /* not used */ #define CONFIG_SYS_I2C_SLAVE 0 /* not used */ #endif /* * Shell Settings */ #define CONFIG_CMDLINE_EDITING 1 #define CONFIG_SYS_LONGHELP 1 #define CONFIG_AUTO_COMPLETE 1 #define CONFIG_SYS_HUSH_PARSER 1 #define CONFIG_SYS_PROMPT "U-Boot> " #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ /* Print Buffer Size */ #define CONFIG_SYS_PBSIZE \ (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) #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_SYS_HZ 1000 /* * AT91C_TC0_CMR is implicitly set to * AT91C_TC_TIMER_DIV1_CLOCK */ #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2) /* * Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024 \ , 0x1000) /* size in bytes reserved for initial data */ #define CONFIG_SYS_GBL_DATA_SIZE 128 #define CONFIG_STACKSIZE (32 * 1024) /* regular stack */ #define CONFIG_STACKSIZE_IRQ (4 * 1024) /* Unsure if to big or to small*/ #define CONFIG_STACKSIZE_FIQ (4 * 1024) /* Unsure if to big or to small*/ #endif