| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Common board functions for Siemens TAURUS (AT91SAM9G20) based boards |
| * (C) Copyright 2013 Siemens AG |
| * |
| * Based on: |
| * U-Boot file: include/configs/at91sam9260ek.h |
| * |
| * (C) Copyright 2007-2008 |
| * Stelian Pop <stelian@popies.net> |
| * Lead Tech Design <www.leadtechdesign.com> |
| */ |
| |
| #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> |
| #include <linux/sizes.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! |
| */ |
| |
| /* 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_USART_BASE ATMEL_BASE_DBGU |
| #define CONFIG_USART_ID ATMEL_ID_SYS |
| |
| /* |
| * SDRAM: 1 bank, min 32, max 128 MB |
| * Initialized before u-boot gets started. |
| */ |
| #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 |
| #define CONFIG_SYS_SDRAM_SIZE (128 * SZ_1M) |
| |
| /* |
| * 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_RAM_SIZE 0x1000 |
| #define CONFIG_SYS_INIT_RAM_ADDR ATMEL_BASE_SRAM1 |
| |
| /* NAND flash */ |
| #ifdef CONFIG_CMD_NAND |
| #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 |
| #endif |
| |
| /* USB */ |
| #if defined(CONFIG_BOARD_TAURUS) |
| #define CONFIG_USB_ATMEL |
| #define CONFIG_USB_ATMEL_CLK_SEL_PLLB |
| #define CONFIG_USB_OHCI_NEW |
| #define CONFIG_SYS_USB_OHCI_CPU_INIT |
| #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 |
| #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" |
| #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 |
| |
| /* USB DFU support */ |
| |
| #define CONFIG_USB_GADGET_AT91 |
| |
| /* DFU class support */ |
| #define DFU_MANIFEST_POLL_TIMEOUT 25000 |
| #endif |
| |
| /* SPI EEPROM */ |
| #define TAURUS_SPI_MASK (1 << 4) |
| |
| /* bootstrap in spi flash , u-boot + env + linux in nandflash */ |
| |
| #if defined(CONFIG_BOARD_AXM) |
| #define CONFIG_EXTRA_ENV_SETTINGS \ |
| "addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:" \ |
| "${gatewayip}:${netmask}:${hostname}:${netdev}::off\0" \ |
| "addtest=setenv bootargs ${bootargs} loglevel=4 test\0" \ |
| "boot_file=setenv bootfile /${project_dir}/kernel/uImage\0" \ |
| "boot_retries=0\0" \ |
| "ethact=macb0\0" \ |
| "flash_nfs=run nand_kernel;run nfsargs;run addip;" \ |
| "upgrade_available;bootm ${kernel_ram};reset\0" \ |
| "flash_self=run nand_kernel;run setbootargs;upgrade_available;" \ |
| "bootm ${kernel_ram};reset\0" \ |
| "flash_self_test=run nand_kernel;run setbootargs addtest;" \ |
| "upgrade_available;bootm ${kernel_ram};reset\0" \ |
| "hostname=systemone\0" \ |
| "kernel_Off=0x00200000\0" \ |
| "kernel_Off_fallback=0x03800000\0" \ |
| "kernel_ram=0x21500000\0" \ |
| "kernel_size=0x00400000\0" \ |
| "kernel_size_fallback=0x00400000\0" \ |
| "loads_echo=1\0" \ |
| "nand_kernel=nand read.e ${kernel_ram} ${kernel_Off} " \ |
| "${kernel_size}\0" \ |
| "net_nfs=run boot_file;tftp ${kernel_ram} ${bootfile};" \ |
| "run nfsargs;run addip;upgrade_available;" \ |
| "bootm ${kernel_ram};reset\0" \ |
| "netdev=eth0\0" \ |
| "nfsargs=run root_path;setenv bootargs ${bootargs} root=/dev/nfs " \ |
| "rw nfsroot=${serverip}:${rootpath} " \ |
| "at91sam9_wdt.wdt_timeout=16\0" \ |
| "partitionset_active=A\0" \ |
| "preboot=echo;echo Type 'run flash_self' to use kernel and root " \ |
| "filesystem on memory;echo Type 'run flash_nfs' to use " \ |
| "kernel from memory and root filesystem over NFS;echo Type " \ |
| "'run net_nfs' to get Kernel over TFTP and mount root " \ |
| "filesystem over NFS;echo\0" \ |
| "project_dir=systemone\0" \ |
| "root_path=setenv rootpath /home/projects/${project_dir}/rootfs\0" \ |
| "rootfs=/dev/mtdblock5\0" \ |
| "rootfs_fallback=/dev/mtdblock7\0" \ |
| "setbootargs=setenv bootargs ${bootargs} console=ttyMTD,mtdoops " \ |
| "root=${rootfs} rootfstype=jffs2 panic=7 " \ |
| "at91sam9_wdt.wdt_timeout=16\0" \ |
| "stderr=serial\0" \ |
| "stdin=serial\0" \ |
| "stdout=serial\0" \ |
| "upgrade_available=0\0" |
| #endif |
| |
| /* Defines for SPL */ |
| |
| #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14) |
| #define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K |
| #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE |
| #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE |
| |
| #define CONFIG_SYS_NAND_SIZE (256 * SZ_1M) |
| #define CONFIG_SYS_NAND_ECCSIZE 256 |
| #define CONFIG_SYS_NAND_ECCBYTES 3 |
| #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ |
| 48, 49, 50, 51, 52, 53, 54, 55, \ |
| 56, 57, 58, 59, 60, 61, 62, 63, } |
| |
| #define CONFIG_SYS_MASTER_CLOCK 132096000 |
| #define AT91_PLL_LOCK_TIMEOUT 1000000 |
| #define CONFIG_SYS_AT91_PLLA 0x202A3F01 |
| #define CONFIG_SYS_MCKR 0x1300 |
| #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR) |
| #define CONFIG_SYS_AT91_PLLB 0x10193F05 |
| |
| #endif |