| /* |
| * (C) Copyright 2007-2008 |
| * Stelian Pop <stelian@popies.net> |
| * Lead Tech Design <www.leadtechdesign.com> |
| * |
| * (C) Copyright 2010 |
| * Achim Ehrlich <aehrlich@taskit.de> |
| * taskit GmbH <www.taskit.de> |
| * |
| * (C) Copyright 2012 |
| * Markus Hubig <mhubig@imko.de> |
| * IMKO GmbH <www.imko.de> |
| * |
| * 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 <asm/hardware.h> |
| |
| /* |
| * 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 */ |
| |
| #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 <config_cmd_default.h> |
| #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 */ |