/* * (C) Copyright 2007-2008 * Stelian Pop * Lead Tech Design * * (C) Copyright 2010 * Achim Ehrlich * taskit GmbH * * (C) Copyright 2012 * Markus Hubig * IMKO GmbH * * Configuation settings for the stamp9g20 CPU module. * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef __CONFIG_H #define __CONFIG_H /* * SoC must be defined first, before hardware.h is included. * In this case SoC is defined in boards.cfg. */ #include /* * Warning: changing CONFIG_SYS_TEXT_BASE requires adapting the initial boot * program. Since the linker has to swallow that define, we must use a pure * hex number here! */ #define CONFIG_SYS_TEXT_BASE 0x23f00000 /* ARM asynchronous clock */ #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */ /* misc settings */ #define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */ #define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */ #define CONFIG_INITRD_TAG /* pass initrd param to kernel */ #define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */ #define CONFIG_BOARD_EARLY_INIT_f /* call board_early_init_f() */ #define CONFIG_BOARD_POSTCLK_INIT /* call board_postclk_init() */ #define CONFIG_DISPLAY_CPUINFO /* display CPU Info at startup */ /* setting board specific options */ #ifdef CONFIG_PORTUXG20 # define CONFIG_MACH_TYPE MACH_TYPE_PORTUXG20 # define CONFIG_MACB #else # define CONFIG_MACH_TYPE MACH_TYPE_STAMP9G20 #endif /* * SDRAM: 1 bank, 64 MB, base address 0x20000000 * Already 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 (64 << 20) /* * Perform a SDRAM Memtest from the start of SDRAM * till the beginning of the U-Boot position in RAM. */ #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - 0x100000) /* Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN \ ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000) /* * Initial stack pointer: 4k - 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_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) /* NAND flash settings */ #define CONFIG_NAND_ATMEL #define CONFIG_SYS_NO_FLASH #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 /* general purpose I/O */ #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ #define CONFIG_AT91_GPIO /* enable the GPIO features */ #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 /* LED configuration */ #define CONFIG_STATUS_LED #define CONFIG_BOARD_SPECIFIC_LED /* The LED PINs */ #define CONFIG_RED_LED AT91_PIN_PC5 #define CONFIG_GREEN_LED AT91_PIN_PC4 #define CONFIG_YELLOW_LED AT91_PIN_PC10 #define STATUS_LED_RED 0 #define STATUS_LED_GREEN 1 #define STATUS_LED_YELLOW 2 /* Red LED */ #define STATUS_LED_BIT STATUS_LED_RED #define STATUS_LED_STATE STATUS_LED_OFF #define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) /* Green LED */ #define STATUS_LED_BIT1 STATUS_LED_GREEN #define STATUS_LED_STATE1 STATUS_LED_ON #define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2) /* Yellow LED */ #define STATUS_LED_BIT2 STATUS_LED_YELLOW #define STATUS_LED_STATE2 STATUS_LED_OFF #define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2) /* Boot status LED */ #define STATUS_LED_BOOT STATUS_LED_GREEN /* * Ethernet configuration * * PortuxG20 has always ethernet but for Stamp9G20 you * can enable it here if your baseboard features ethernet. */ #define CONFIG_MACB #define CONFIG_USB_HOST_ETHER #define CONFIG_USB_ETHER_ASIX #define CONFIG_USB_ETHER_MCS7830 #ifdef CONFIG_MACB # define CONFIG_RMII /* use reduced MII inteface */ # define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */ #define CONFIG_AT91_WANTS_COMMON_PHY /* BOOTP and DHCP options */ # define CONFIG_BOOTP_BOOTFILESIZE # define CONFIG_BOOTP_BOOTPATH # define CONFIG_BOOTP_GATEWAY # define CONFIG_BOOTP_HOSTNAME # define CONFIG_NFSBOOTCOMMAND \ "setenv autoload yes; setenv autoboot yes; " \ "setenv bootargs ${basicargs} ${mtdparts} " \ "root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \ "dhcp" #endif /* CONFIG_MACB */ /* Enable the watchdog */ #define CONFIG_AT91SAM9_WATCHDOG #define CONFIG_HW_WATCHDOG /* USB configuration */ #define CONFIG_USB_ATMEL #define CONFIG_USB_ATMEL_CLK_SEL_PLLB #define CONFIG_USB_OHCI_NEW #define CONFIG_USB_STORAGE #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 "at91sam9260" #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 /* General Boot Parameter */ #define CONFIG_BOOTDELAY 3 #define CONFIG_BOOTCOMMAND "run flashboot" #define CONFIG_SYS_PROMPT "U-Boot> " #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_LONGHELP #define CONFIG_CMDLINE_EDITING /* * RAM Memory address where to put the * Linux Kernel befor starting. */ #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* * The NAND Flash partitions: * ========================================== * 0x0000000-0x001ffff -> 128k, bootstrap * 0x0020000-0x005ffff -> 256k, u-boot * 0x0060000-0x007ffff -> 128k, env1 * 0x0080000-0x009ffff -> 128k, env2 (backup) * 0x0100000-0x06fffff -> 6M, kernel * 0x0700000-0x8000000 -> 121M, RootFS */ #define CONFIG_ENV_IS_IN_NAND #define CONFIG_ENV_OFFSET ((128 + 256) << 10) #define CONFIG_ENV_OFFSET_REDUND ((128 + 256 + 128) << 10) #define CONFIG_ENV_SIZE (128 << 10) /* * Predefined environment variables. * Usefull to define some easy to use boot commands. */ #define CONFIG_EXTRA_ENV_SETTINGS \ \ "basicargs=console=ttyS0,115200\0" \ \ "mtdparts=mtdparts=atmel_nand:128k(bootstrap)ro," \ "256k(uboot)ro,128k(env1)ro," \ "128k(env2)ro,6M(linux),-(root)rw\0" \ \ "flashboot=setenv bootargs ${basicargs} ${mtdparts} " \ "root=/dev/mtdblock5 rootfstype=jffs2; " \ "nand read 0x22000000 0x100000 0x600000; " \ "bootm 22000000\0" \ \ "sdboot=setenv bootargs ${basicargs} ${mtdparts} " \ "root=/dev/mmcblk0p1 rootwait; " \ "nand read 0x22000000 0x100000 0x600000; " \ "bootm 22000000" /* Command line & features configuration */ #include #undef CONFIG_CMD_FPGA #undef CONFIG_CMD_IMI #undef CONFIG_CMD_IMLS #undef CONFIG_CMD_LOADS #define CONFIG_CMD_NAND #define CONFIG_CMD_USB #define CONFIG_CMD_FAT #define CONFIG_CMD_LED #ifdef CONFIG_MACB # define CONFIG_CMD_PING # define CONFIG_CMD_DHCP #else # undef CONFIG_CMD_BOOTD # undef CONFIG_CMD_NET # undef CONFIG_CMD_NFS #endif /* CONFIG_MACB */ #endif /* __CONFIG_H */