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_SYS_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 CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 33 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 34 35 /* Misc CPU related */ 36 37 /* general purpose I/O */ 38 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 39 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 40 41 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 42 #define CONFIG_USART_ID ATMEL_ID_SYS 43 44 /* 45 * SDRAM: 1 bank, min 32, max 128 MB 46 * Initialized before u-boot gets started. 47 */ 48 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 49 #define CONFIG_SYS_SDRAM_SIZE (128 * SZ_1M) 50 51 /* 52 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 53 * leaving the correct space for initial global data structure above 54 * that address while providing maximum stack area below. 55 */ 56 #define CONFIG_SYS_INIT_SP_ADDR \ 57 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 58 59 /* NAND flash */ 60 #ifdef CONFIG_CMD_NAND 61 #define CONFIG_SYS_MAX_NAND_DEVICE 1 62 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 63 #define CONFIG_SYS_NAND_DBW_8 64 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 65 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 66 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 67 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 68 #endif 69 70 /* Ethernet */ 71 #define CONFIG_MACB 72 #define CONFIG_RMII 73 #define CONFIG_AT91_WANTS_COMMON_PHY 74 75 /* USB */ 76 #if defined(CONFIG_BOARD_TAURUS) 77 #define CONFIG_USB_ATMEL 78 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 79 #define CONFIG_USB_OHCI_NEW 80 #define CONFIG_SYS_USB_OHCI_CPU_INIT 81 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 82 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 83 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 84 85 /* USB DFU support */ 86 87 #define CONFIG_USB_GADGET_AT91 88 89 /* DFU class support */ 90 #define DFU_MANIFEST_POLL_TIMEOUT 25000 91 #endif 92 93 /* SPI EEPROM */ 94 #define TAURUS_SPI_MASK (1 << 4) 95 96 #if defined(CONFIG_SPL_BUILD) 97 /* SPL related */ 98 #endif 99 100 /* bootstrap in spi flash , u-boot + env + linux in nandflash */ 101 102 #ifndef CONFIG_SPL_BUILD 103 #if defined(CONFIG_BOARD_AXM) 104 #define CONFIG_EXTRA_ENV_SETTINGS \ 105 "addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:" \ 106 "${gatewayip}:${netmask}:${hostname}:${netdev}::off\0" \ 107 "addtest=setenv bootargs ${bootargs} loglevel=4 test\0" \ 108 "boot_file=setenv bootfile /${project_dir}/kernel/uImage\0" \ 109 "boot_retries=0\0" \ 110 "ethact=macb0\0" \ 111 "flash_nfs=run nand_kernel;run nfsargs;run addip;" \ 112 "upgrade_available;bootm ${kernel_ram};reset\0" \ 113 "flash_self=run nand_kernel;run setbootargs;upgrade_available;" \ 114 "bootm ${kernel_ram};reset\0" \ 115 "flash_self_test=run nand_kernel;run setbootargs addtest;" \ 116 "upgrade_available;bootm ${kernel_ram};reset\0" \ 117 "hostname=systemone\0" \ 118 "kernel_Off=0x00200000\0" \ 119 "kernel_Off_fallback=0x03800000\0" \ 120 "kernel_ram=0x21500000\0" \ 121 "kernel_size=0x00400000\0" \ 122 "kernel_size_fallback=0x00400000\0" \ 123 "loads_echo=1\0" \ 124 "nand_kernel=nand read.e ${kernel_ram} ${kernel_Off} " \ 125 "${kernel_size}\0" \ 126 "net_nfs=run boot_file;tftp ${kernel_ram} ${bootfile};" \ 127 "run nfsargs;run addip;upgrade_available;" \ 128 "bootm ${kernel_ram};reset\0" \ 129 "netdev=eth0\0" \ 130 "nfsargs=run root_path;setenv bootargs ${bootargs} root=/dev/nfs " \ 131 "rw nfsroot=${serverip}:${rootpath} " \ 132 "at91sam9_wdt.wdt_timeout=16\0" \ 133 "partitionset_active=A\0" \ 134 "preboot=echo;echo Type 'run flash_self' to use kernel and root " \ 135 "filesystem on memory;echo Type 'run flash_nfs' to use " \ 136 "kernel from memory and root filesystem over NFS;echo Type " \ 137 "'run net_nfs' to get Kernel over TFTP and mount root " \ 138 "filesystem over NFS;echo\0" \ 139 "project_dir=systemone\0" \ 140 "root_path=setenv rootpath /home/projects/${project_dir}/rootfs\0" \ 141 "rootfs=/dev/mtdblock5\0" \ 142 "rootfs_fallback=/dev/mtdblock7\0" \ 143 "setbootargs=setenv bootargs ${bootargs} console=ttyMTD,mtdoops " \ 144 "root=${rootfs} rootfstype=jffs2 panic=7 " \ 145 "at91sam9_wdt.wdt_timeout=16\0" \ 146 "stderr=serial\0" \ 147 "stdin=serial\0" \ 148 "stdout=serial\0" \ 149 "upgrade_available=0\0" 150 #endif 151 #endif /* #ifndef CONFIG_SPL_BUILD */ 152 153 /* Defines for SPL */ 154 #define CONFIG_SPL_MAX_SIZE (31 * SZ_512) 155 #define CONFIG_SPL_STACK (ATMEL_BASE_SRAM1 + SZ_16K) 156 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_TEXT_BASE - \ 157 CONFIG_SYS_MALLOC_LEN) 158 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 159 160 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE 161 #define CONFIG_SPL_BSS_MAX_SIZE (3 * SZ_512) 162 163 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14) 164 #define CONFIG_SYS_USE_NANDFLASH 1 165 #define CONFIG_SPL_NAND_RAW_ONLY 166 #define CONFIG_SPL_NAND_SOFTECC 167 #define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K 168 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 169 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE 170 171 #define CONFIG_SYS_NAND_SIZE (256 * SZ_1M) 172 #define CONFIG_SYS_NAND_ECCSIZE 256 173 #define CONFIG_SYS_NAND_ECCBYTES 3 174 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ 175 48, 49, 50, 51, 52, 53, 54, 55, \ 176 56, 57, 58, 59, 60, 61, 62, 63, } 177 178 #define CONFIG_SPL_ATMEL_SIZE 179 #define CONFIG_SYS_MASTER_CLOCK 132096000 180 #define AT91_PLL_LOCK_TIMEOUT 1000000 181 #define CONFIG_SYS_AT91_PLLA 0x202A3F01 182 #define CONFIG_SYS_MCKR 0x1300 183 #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR) 184 #define CONFIG_SYS_AT91_PLLB 0x10193F05 185 186 #define CONFIG_SPL_PAD_TO CONFIG_SYS_NAND_U_BOOT_OFFS 187 #define CONFIG_SYS_SPL_LEN CONFIG_SPL_PAD_TO 188 189 #endif 190