| /* |
| * (C) Copyright 2010 |
| * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de |
| * |
| * Configuation settings for the TOP9000 CPU module with AT91SAM9XE. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| /* |
| * 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 |
| |
| /* SoC must be defined first, before hardware.h is included */ |
| #define CONFIG_AT91SAM9XE |
| #include <asm/hardware.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_SLOW_CLOCK 32768 /* slow clock xtal */ |
| #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ |
| |
| /* Misc CPU related */ |
| #define CONFIG_ARCH_CPU_INIT |
| #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_ATMEL_LEGACY /* required until (g)pio is fixed */ |
| #define CONFIG_AT91_GPIO |
| #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ |
| |
| /* serial console */ |
| #define CONFIG_ATMEL_USART |
| #define CONFIG_USART_BASE ATMEL_BASE_DBGU |
| #define CONFIG_USART_ID ATMEL_ID_SYS |
| #define CONFIG_BAUDRATE 115200 |
| |
| /* 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_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 ATMEL_BASE_FLASH |
| # 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_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 ATMEL_BASE_CS1 |
| #define CONFIG_SYS_SDRAM_SIZE 0x08000000 |
| #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE |
| #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01e00000) |
| #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 \ |
| (ATMEL_BASE_SRAM + 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 ATMEL_BASE_CS3 |
| #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 ATMEL_UHP_BASE |
| #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_CMD_I2C |
| #define CONFIG_SYS_I2C |
| #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ |
| #define CONFIG_SYS_I2C_SOFT_SPEED 400000 |
| #define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F |
| |
| #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) |
| |
| #endif |
