1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Common board functions for Siemens TAURUS (AT91SAM9G20) based boards 4 * (C) Copyright 2013 Siemens AG 5 * 6 * Based on: 7 * U-Boot file: include/configs/at91sam9260ek.h 8 * 9 * (C) Copyright 2007-2008 10 * Stelian Pop <stelian@popies.net> 11 * Lead Tech Design <www.leadtechdesign.com> 12 */ 13 14 #ifndef __CONFIG_H 15 #define __CONFIG_H 16 17 /* 18 * SoC must be defined first, before hardware.h is included. 19 * In this case SoC is defined in boards.cfg. 20 */ 21 #include <asm/hardware.h> 22 #include <linux/sizes.h> 23 24 /* 25 * Warning: changing CONFIG_TEXT_BASE requires 26 * adapting the initial boot program. 27 * Since the linker has to swallow that define, we must use a pure 28 * hex number here! 29 */ 30 31 /* ARM asynchronous clock */ 32 #define CFG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 33 #define CFG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 34 35 /* Misc CPU related */ 36 37 #define CFG_USART_BASE ATMEL_BASE_DBGU 38 #define CFG_USART_ID ATMEL_ID_SYS 39 40 /* 41 * SDRAM: 1 bank, min 32, max 128 MB 42 * Initialized before u-boot gets started. 43 */ 44 #define CFG_SYS_SDRAM_BASE ATMEL_BASE_CS1 45 #define CFG_SYS_SDRAM_SIZE (128 * SZ_1M) 46 47 /* 48 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 49 * leaving the correct space for initial global data structure above 50 * that address while providing maximum stack area below. 51 */ 52 #define CFG_SYS_INIT_RAM_SIZE 0x1000 53 #define CFG_SYS_INIT_RAM_ADDR ATMEL_BASE_SRAM1 54 55 /* NAND flash */ 56 #ifdef CONFIG_CMD_NAND 57 #define CFG_SYS_NAND_BASE ATMEL_BASE_CS3 58 #define CFG_SYS_NAND_MASK_ALE (1 << 21) 59 #define CFG_SYS_NAND_MASK_CLE (1 << 22) 60 #define CFG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 61 #define CFG_SYS_NAND_READY_PIN AT91_PIN_PC13 62 #endif 63 64 #if defined(CONFIG_BOARD_TAURUS) 65 /* DFU class support */ 66 #define DFU_MANIFEST_POLL_TIMEOUT 25000 67 #endif 68 69 /* SPI EEPROM */ 70 #define TAURUS_SPI_MASK (1 << 4) 71 72 /* bootstrap in spi flash , u-boot + env + linux in nandflash */ 73 74 #if defined(CONFIG_BOARD_AXM) 75 #define CFG_EXTRA_ENV_SETTINGS \ 76 "addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:" \ 77 "${gatewayip}:${netmask}:${hostname}:${netdev}::off\0" \ 78 "addtest=setenv bootargs ${bootargs} loglevel=4 test\0" \ 79 "boot_file=setenv bootfile /${project_dir}/kernel/uImage\0" \ 80 "boot_retries=0\0" \ 81 "ethact=macb0\0" \ 82 "flash_nfs=run nand_kernel;run nfsargs;run addip;" \ 83 "upgrade_available;bootm ${kernel_ram};reset\0" \ 84 "flash_self=run nand_kernel;run setbootargs;upgrade_available;" \ 85 "bootm ${kernel_ram};reset\0" \ 86 "flash_self_test=run nand_kernel;run setbootargs addtest;" \ 87 "upgrade_available;bootm ${kernel_ram};reset\0" \ 88 "hostname=systemone\0" \ 89 "kernel_Off=0x00200000\0" \ 90 "kernel_Off_fallback=0x03800000\0" \ 91 "kernel_ram=0x21500000\0" \ 92 "kernel_size=0x00400000\0" \ 93 "kernel_size_fallback=0x00400000\0" \ 94 "loads_echo=1\0" \ 95 "nand_kernel=nand read.e ${kernel_ram} ${kernel_Off} " \ 96 "${kernel_size}\0" \ 97 "net_nfs=run boot_file;tftp ${kernel_ram} ${bootfile};" \ 98 "run nfsargs;run addip;upgrade_available;" \ 99 "bootm ${kernel_ram};reset\0" \ 100 "netdev=eth0\0" \ 101 "nfsargs=run root_path;setenv bootargs ${bootargs} root=/dev/nfs " \ 102 "rw nfsroot=${serverip}:${rootpath} " \ 103 "at91sam9_wdt.wdt_timeout=16\0" \ 104 "partitionset_active=A\0" \ 105 "preboot=echo;echo Type 'run flash_self' to use kernel and root " \ 106 "filesystem on memory;echo Type 'run flash_nfs' to use " \ 107 "kernel from memory and root filesystem over NFS;echo Type " \ 108 "'run net_nfs' to get Kernel over TFTP and mount root " \ 109 "filesystem over NFS;echo\0" \ 110 "project_dir=systemone\0" \ 111 "root_path=setenv rootpath /home/projects/${project_dir}/rootfs\0" \ 112 "rootfs=/dev/mtdblock5\0" \ 113 "rootfs_fallback=/dev/mtdblock7\0" \ 114 "setbootargs=setenv bootargs ${bootargs} console=ttyMTD,mtdoops " \ 115 "root=${rootfs} rootfstype=jffs2 panic=7 " \ 116 "at91sam9_wdt.wdt_timeout=16\0" \ 117 "stderr=serial\0" \ 118 "stdin=serial\0" \ 119 "stdout=serial\0" \ 120 "upgrade_available=0\0" 121 #endif 122 123 /* Defines for SPL */ 124 125 #define CFG_SYS_NAND_U_BOOT_SIZE SZ_512K 126 #define CFG_SYS_NAND_U_BOOT_START CONFIG_TEXT_BASE 127 #define CFG_SYS_NAND_U_BOOT_DST CONFIG_TEXT_BASE 128 129 #define CFG_SYS_NAND_ECCSIZE 256 130 #define CFG_SYS_NAND_ECCBYTES 3 131 #define CFG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ 132 48, 49, 50, 51, 52, 53, 54, 55, \ 133 56, 57, 58, 59, 60, 61, 62, 63, } 134 135 #define CFG_SYS_MASTER_CLOCK 132096000 136 #define AT91_PLL_LOCK_TIMEOUT 1000000 137 #define CFG_SYS_AT91_PLLA 0x202A3F01 138 #define CFG_SYS_MCKR 0x1300 139 #define CFG_SYS_MCKR_CSS (0x02 | CFG_SYS_MCKR) 140 #define CFG_SYS_AT91_PLLB 0x10193F05 141 142 #endif 143