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Diffstat (limited to 'include/configs/top9000.h')
| -rw-r--r-- | include/configs/top9000.h | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/include/configs/top9000.h b/include/configs/top9000.h new file mode 100644 index 0000000..ff3933b --- /dev/null +++ b/include/configs/top9000.h @@ -0,0 +1,314 @@ +/* + * (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 0x21f00000 /* 31 MB into RAM */ + +/* 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 + |