/* * (C) Copyright 2010 * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de * * Configuation settings for the TOP9000 CPU module with AT91SAM9XE. * * 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 */ /* * top9000 with at91sam9xe256 or at91sam9xe512 * * Initial Bootloader is in embedded flash. * Vital Product Data, U-Boot Environment are in I2C-EEPROM. * U-Boot is in embedded flash, a backup U-Boot can be in NAND flash. * kernel and file system are either in NAND flash or on a micro SD card. * NAND flash is optional. * I2C EEPROM is never optional. * SPI FRAM is optional. * SPI ENC28J60 is optional. * 16 or 32 bit wide SDRAM. */ #ifndef __CONFIG_H #define __CONFIG_H /* * Warning: changing CONFIG_SYS_TEXT_BASE requires * adapting the initial boot program. */ #define CONFIG_SYS_TEXT_BASE 0x20000000 /* start of SDRAM */ /* Command line configuration */ #include <config_cmd_default.h> #undef CONFIG_CMD_FPGA #undef CONFIG_CMD_SETGETDCR #undef CONFIG_CMD_XIMG #define CONFIG_CMD_ASKENV #define CONFIG_SYS_CBSIZE 256 #define CONFIG_SYS_MAXARGS 16 #define CONFIG_SYS_PBSIZE \ (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) #define CONFIG_SYS_PROMPT "TOP9000> " #define CONFIG_SYS_LONGHELP #define CONFIG_CMDLINE_EDITING #define CONFIG_CMD_BDI #define CONFIG_CMD_CACHE /* ARM asynchronous clock */ #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz xtal */ #define CONFIG_SYS_HZ 1000 /* SoC */ #define CONFIG_ARM926EJS /* ARM926EJS Core */ #define CONFIG_AT91FAMILY /* it's a member of AT91 */ #define CONFIG_AT91SAM9260 /* Atmel AT91SAM9260 based SoC */ #define CONFIG_AT91SAM9XE /* Misc CPU related */ #define CONFIG_AT91_LEGACY #define CONFIG_ARCH_CPU_INIT #undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */ #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ #define CONFIG_SETUP_MEMORY_TAGS #define CONFIG_INITRD_TAG #define CONFIG_SKIP_LOWLEVEL_INIT #define CONFIG_BOARD_EARLY_INIT_F #define CONFIG_DISPLAY_CPUINFO #define CONFIG_AT91RESET_EXTRST /* assert external reset */ /* general purpose I/O */ #define CONFIG_AT91_GPIO #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ /* serial console */ #define CONFIG_ATMEL_USART #define CONFIG_USART3 /* USART 3 is DBGU !!! */ #define CONFIG_BAUDRATE 115200 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 } /* SD/MMC card */ #define CONFIG_MMC #define CONFIG_GENERIC_MMC #define CONFIG_GENERIC_ATMEL_MCI #define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9 #define CONFIG_CMD_MMC /* Ethernet */ #define CONFIG_MACB #define CONFIG_SYS_PHY_ID 1 #define CONFIG_RMII #define CONFIG_NET_MULTI #define CONFIG_NET_RETRY_COUNT 20 /* real time clock */ #define CONFIG_RTC_AT91SAM9_RTT #define CONFIG_CMD_DATE #if defined(CONFIG_AT91SAM9XE) /* * NOR flash - use embedded flash of SAM9XE256/512 * U-Boot will not fit into 128K ! * 2010.09 will not fit into 256K with all options enabled ! * * Layout: * 16kB 1st Bootloader * Rest U-Boot * the first sector (16kB) of EFLASH cannot be unprotected * with u-boot commands */ # define CONFIG_AT91_EFLASH # define CONFIG_SYS_FLASH_BASE 0x200000 # define CONFIG_SYS_MAX_FLASH_SECT 32 # define CONFIG_SYS_MAX_FLASH_BANKS 1 # define CONFIG_SYS_FLASH_PROTECTION # define CONFIG_EFLASH_PROTSECTORS 1 /* protect first sector */ #endif /* SPI */ #define CONFIG_ATMEL_SPI #define CONFIG_CMD_SPI /* RAMTRON FRAM */ #define CONFIG_CMD_SF #define CONFIG_ATMEL_SPI0 /* SPI used for FRAM is SPI0 */ #define FRAM_SPI_BUS 0 #define FRAM_CS_NUM 0 #define CONFIG_SPI_FLASH /* RAMTRON FRAM on SPI bus */ #define CONFIG_SPI_FRAM_RAMTRON #define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */ #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 #define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC "FM25H20" /* Microchip ENC28J60 (second LAN) */ #if defined(CONFIG_EVAL9000) # define CONFIG_ENC28J60 # define CONFIG_ATMEL_SPI1 /* SPI used for ENC28J60 is SPI1 */ # define ENC_SPI_BUS 1 # define ENC_CS_NUM 0 # define ENC_SPI_CLOCK 1000000 #endif /* CONFIG_EVAL9000 */ /* * SDRAM: 1 bank, min 32, max 128 MB * Initialized before u-boot gets started. */ #define CONFIG_NR_DRAM_BANKS 1 #define CONFIG_SYS_SDRAM_BASE 0x20000000 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE #define CONFIG_SYS_MEMTEST_END 0x21e00000 #define CONFIG_SYS_LOAD_ADDR \ (CONFIG_SYS_SDRAM_BASE + 0x01000000) /* * Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM, * leaving the correct space for initial global data structure above * that address while providing maximum stack area below. */ #define CONFIG_SYS_INIT_SP_ADDR \ (0x00300000 + 0x4000 - GENERATED_GBL_DATA_SIZE) /* * NAND flash: 256 MB (optional) * * Layout: * 640kB: u-boot (includes space for spare sectors, handled by * initial loader) * 2MB: kernel * rest: file system */ #define CONFIG_NAND_ATMEL #define CONFIG_SYS_MAX_NAND_DEVICE 1 #define CONFIG_SYS_NAND_BASE 0x40000000 #define CONFIG_SYS_NAND_DBW_8 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 #define CONFIG_CMD_NAND /* USB */ #define CONFIG_USB_ATMEL #define CONFIG_USB_OHCI_NEW #define CONFIG_DOS_PARTITION #define CONFIG_SYS_USB_OHCI_CPU_INIT #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "top9000" #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 #define CONFIG_USB_STORAGE #define CONFIG_CMD_USB /* I2C support must always be enabled */ #define CONFIG_SOFT_I2C #define CONFIG_CMD_I2C #define CONFIG_SYS_I2C_SPEED 400000 #define CONFIG_SYS_I2C_SLAVE 0x7F #define CONFIG_I2C_MULTI_BUS #define I2C0_PORT AT91_PIO_PORTA #define SDA0_PIN 23 #define SCL0_PIN 24 #define I2C1_PORT AT91_PIO_PORTB #define SDA1_PIN 12 #define SCL1_PIN 13 #define I2C_SOFT_DECLARATIONS void iic_init(void);\ int iic_read(void);\ void iic_sda(int);\ void iic_scl(int); #define I2C_ACTIVE #define I2C_TRISTATE #define I2C_INIT iic_init() #define I2C_READ iic_read() #define I2C_SDA(bit) iic_sda(bit) #define I2C_SCL(bit) iic_scl(bit) #define I2C_DELAY udelay(3) /* EEPROM configuration */ #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 #define CONFIG_SYS_EEPROM_SIZE 0x2000 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x57 /* later: #define CONFIG_I2C_ENV_EEPROM_BUS 0 */ /* ENV is always in I2C-EEPROM */ #define CONFIG_ENV_IS_IN_EEPROM #define CONFIG_ENV_OFFSET 0x1000 #define CONFIG_ENV_SIZE 0x0f00 /* VPD settings */ #define CONFIG_SYS_I2C_FACT_ADDR 0x57 #define CONFIG_SYS_FACT_OFFSET 0x1F00 #define CONFIG_SYS_FACT_SIZE 0x0100 /* later: #define CONFIG_MISC_INIT_R */ /* define the next only if you want to allow users to enter VPD data */ #define CONFIG_SYS_FACT_ENTRY #ifndef __ASSEMBLY__ extern void read_factory_r(void); #endif /* * Only interrupt autoboot if <space> is pressed. Otherwise, garbage * data on the serial line may interrupt the boot sequence. */ #define CONFIG_BOOTDELAY 1 #define CONFIG_AUTOBOOT #define CONFIG_AUTOBOOT_KEYED #define CONFIG_AUTOBOOT_PROMPT \ "Press SPACE to abort autoboot in %d seconds\n", bootdelay #define CONFIG_AUTOBOOT_DELAY_STR "d" #define CONFIG_AUTOBOOT_STOP_STR " " /* * add filesystem commands if we have at least 1 storage * media with filesystem */ #if defined(CONFIG_NAND_ATMEL) \ || defined(CONFIG_USB_ATMEL) \ || defined(CONFIG_MMC) # define CONFIG_DOS_PARTITION # define CONFIG_CMD_FAT # define CONFIG_CMD_EXT2 /* later: #define CONFIG_CMD_JFFS2 */ #endif /* add NET commands if we have at least 1 LAN */ #if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60) # define CONFIG_CMD_PING # define CONFIG_CMD_DHCP # define CONFIG_CMD_MII /* is this really needed ? */ # define CONFIG_RESET_PHY_R /* BOOTP options */ # define CONFIG_BOOTP_BOOTFILESIZE # define CONFIG_BOOTP_BOOTPATH # define CONFIG_BOOTP_GATEWAY # define CONFIG_BOOTP_HOSTNAME #endif /* linux in NAND flash */ #define CONFIG_BOOTCOUNT_LIMIT 1 #define CONFIG_BOOTCOMMAND \ "nand read 0x21000000 0xA0000 0x200000; bootm" #define CONFIG_BOOTARGS \ "console=ttyS0,115200 " \ "root=/dev/mtdblock2 " \ "mtdparts=atmel_nand:" \ "640k(uboot)ro," \ "2M(linux)," \ "16M(root)," \ "-(rest) " \ "rw "\ "rootfstype=jffs2" /* Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN \ ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) #define CONFIG_STACKSIZE (32*1024) #ifdef CONFIG_USE_IRQ #error CONFIG_USE_IRQ not supported #endif #endif