1 /* 2 * Common board functions for Siemens TAURUS (AT91SAM9G20) based boards 3 * (C) Copyright 2013 Siemens AG 4 * 5 * Based on: 6 * U-Boot file: include/configs/at91sam9260ek.h 7 * 8 * (C) Copyright 2007-2008 9 * Stelian Pop <stelian@popies.net> 10 * Lead Tech Design <www.leadtechdesign.com> 11 * 12 * SPDX-License-Identifier: GPL-2.0+ 13 */ 14 15 #ifndef __CONFIG_H 16 #define __CONFIG_H 17 18 /* 19 * SoC must be defined first, before hardware.h is included. 20 * In this case SoC is defined in boards.cfg. 21 */ 22 #include <asm/hardware.h> 23 #include <linux/sizes.h> 24 25 #define CONFIG_SYS_GENERIC_BOARD 26 27 #if defined(CONFIG_SPL_BUILD) 28 #define CONFIG_SYS_THUMB_BUILD 29 #define CONFIG_SYS_ICACHE_OFF 30 #define CONFIG_SYS_DCACHE_OFF 31 #endif 32 /* 33 * Warning: changing CONFIG_SYS_TEXT_BASE requires 34 * adapting the initial boot program. 35 * Since the linker has to swallow that define, we must use a pure 36 * hex number here! 37 */ 38 39 40 #define CONFIG_SYS_TEXT_BASE 0x21000000 41 42 /* ARM asynchronous clock */ 43 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 44 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 45 46 /* Misc CPU related */ 47 #define CONFIG_ARCH_CPU_INIT 48 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 49 #define CONFIG_SETUP_MEMORY_TAGS 50 #define CONFIG_INITRD_TAG 51 #define CONFIG_SKIP_LOWLEVEL_INIT 52 #define CONFIG_BOARD_EARLY_INIT_F 53 #define CONFIG_DISPLAY_CPUINFO 54 55 #define CONFIG_CMD_BOOTZ 56 #define CONFIG_OF_LIBFDT 57 58 /* general purpose I/O */ 59 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 60 #define CONFIG_AT91_GPIO 61 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 62 63 /* serial console */ 64 #define CONFIG_ATMEL_USART 65 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 66 #define CONFIG_USART_ID ATMEL_ID_SYS 67 #define CONFIG_BAUDRATE 115200 68 69 #define CONFIG_BOOTDELAY 3 70 71 /* 72 * Command line configuration. 73 */ 74 #define CONFIG_CMD_PING 75 #define CONFIG_CMD_DHCP 76 #define CONFIG_CMD_NAND 77 78 /* 79 * SDRAM: 1 bank, min 32, max 128 MB 80 * Initialized before u-boot gets started. 81 */ 82 #define CONFIG_NR_DRAM_BANKS 1 83 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 84 #define CONFIG_SYS_SDRAM_SIZE (128 * 1024 * 1024) 85 86 /* 87 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 88 * leaving the correct space for initial global data structure above 89 * that address while providing maximum stack area below. 90 */ 91 # define CONFIG_SYS_INIT_SP_ADDR \ 92 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 93 94 /* NAND flash */ 95 #ifdef CONFIG_CMD_NAND 96 #define CONFIG_NAND_ATMEL 97 #define CONFIG_SYS_MAX_NAND_DEVICE 1 98 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 99 #define CONFIG_SYS_NAND_DBW_8 100 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 101 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 102 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 103 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 104 #endif 105 106 /* NOR flash - no real flash on this board */ 107 #define CONFIG_SYS_NO_FLASH 1 108 109 /* Ethernet */ 110 #define CONFIG_MACB 111 #define CONFIG_RMII 112 #define CONFIG_AT91_WANTS_COMMON_PHY 113 114 #define CONFIG_AT91SAM9_WATCHDOG 115 #if !defined(CONFIG_SPL_BUILD) 116 /* Enable the watchdog */ 117 #define CONFIG_HW_WATCHDOG 118 #endif 119 120 /* USB */ 121 #if defined(CONFIG_BOARD_TAURUS) 122 #define CONFIG_USB_ATMEL 123 #define CONFIG_USB_OHCI_NEW 124 #define CONFIG_SYS_USB_OHCI_CPU_INIT 125 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 126 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 127 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 128 #define CONFIG_USB_STORAGE 129 #endif 130 131 /* SPI EEPROM */ 132 #define CONFIG_SPI 133 #define CONFIG_CMD_SPI 134 #define CONFIG_CMD_SF 135 #define CONFIG_ATMEL_SPI 136 #define CONFIG_SPI_FLASH_STMICRO 137 #define TAURUS_SPI_MASK (1 << 4) 138 #define TAURUS_SPI_CS_PIN AT91_PIN_PA3 139 140 #if defined(CONFIG_SPL_BUILD) 141 /* SPL related */ 142 #undef CONFIG_SPL_OS_BOOT /* Not supported by existing map */ 143 #define CONFIG_SPL_SPI_SUPPORT 144 #define CONFIG_SPL_SPI_FLASH_SUPPORT 145 #define CONFIG_SPL_SPI_LOAD 146 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 147 148 #define CONFIG_SF_DEFAULT_BUS 0 149 #define CONFIG_SF_DEFAULT_SPEED 10000000 150 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 151 #endif 152 153 /* load address */ 154 #define CONFIG_SYS_LOAD_ADDR 0x22000000 155 156 /* bootstrap in spi flash , u-boot + env + linux in nandflash */ 157 #define CONFIG_ENV_IS_IN_NAND 158 #define CONFIG_ENV_OFFSET 0x100000 159 #define CONFIG_ENV_OFFSET_REDUND 0x180000 160 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 161 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 162 163 #if defined(CONFIG_BOARD_TAURUS) 164 #define CONFIG_BOOTARGS_TAURUS \ 165 "console=ttyS0,115200 earlyprintk " \ 166 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 167 "256k(env),256k(env_redundant),256k(spare)," \ 168 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 169 "root=/dev/mtdblock7 rw rootfstype=jffs2" 170 #endif 171 172 #if defined(CONFIG_BOARD_AXM) 173 #define CONFIG_BOOTARGS_AXM \ 174 "\0" \ 175 "addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:" \ 176 "${gatewayip}:${netmask}:${hostname}:${netdev}::off\0" \ 177 "addtest=setenv bootargs ${bootargs} loglevel=4 test\0" \ 178 "baudrate=115200\0" \ 179 "boot_file=setenv bootfile /${project_dir}/kernel/uImage\0" \ 180 "boot_retries=0\0" \ 181 "bootcmd=run flash_self\0" \ 182 "bootdelay=3\0" \ 183 "ethact=macb0\0" \ 184 "flash_nfs=run nand_kernel;run nfsargs;run addip;upgrade_available;"\ 185 "bootm ${kernel_ram};reset\0" \ 186 "flash_self=run nand_kernel;run setbootargs;upgrade_available;" \ 187 "bootm ${kernel_ram};reset\0" \ 188 "flash_self_test=run nand_kernel;run setbootargs addtest; " \ 189 "upgrade_available;bootm ${kernel_ram};reset\0" \ 190 "hostname=systemone\0" \ 191 "kernel_Off=0x00200000\0" \ 192 "kernel_Off_fallback=0x03800000\0" \ 193 "kernel_ram=0x21500000\0" \ 194 "kernel_size=0x00400000\0" \ 195 "kernel_size_fallback=0x00400000\0" \ 196 "loads_echo=1\0" \ 197 "nand_kernel=nand read.e ${kernel_ram} ${kernel_Off} " \ 198 "${kernel_size}\0" \ 199 "net_nfs=run boot_file;tftp ${kernel_ram} ${bootfile};" \ 200 "run nfsargs;run addip;upgrade_available;bootm " \ 201 "${kernel_ram};reset\0" \ 202 "netdev=eth0\0" \ 203 "nfsargs=run root_path;setenv bootargs ${bootargs} " \ 204 "root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ 205 "at91sam9_wdt.wdt_timeout=16\0" \ 206 "partitionset_active=A\0" \ 207 "preboot=echo;echo Type 'run flash_self' to use kernel and root "\ 208 "filesystem on memory;echo Type 'run flash_nfs' to use kernel " \ 209 "from memory and root filesystem over NFS;echo Type 'run net_nfs' "\ 210 "to get Kernel over TFTP and mount root filesystem over NFS;echo\0"\ 211 "project_dir=systemone\0" \ 212 "root_path=setenv rootpath /home/projects/${project_dir}/rootfs\0"\ 213 "rootfs=/dev/mtdblock5\0" \ 214 "rootfs_fallback=/dev/mtdblock7\0" \ 215 "setbootargs=setenv bootargs ${bootargs} console=ttyMTD,mtdoops "\ 216 "root=${rootfs} rootfstype=jffs2 panic=7 " \ 217 "at91sam9_wdt.wdt_timeout=16\0" \ 218 "stderr=serial\0" \ 219 "stdin=serial\0" \ 220 "stdout=serial\0" \ 221 "upgrade_available=0\0" 222 #endif 223 224 #if defined(CONFIG_BOARD_TAURUS) 225 #define CONFIG_BOOTARGS CONFIG_BOOTARGS_TAURUS 226 #endif 227 228 #if defined(CONFIG_BOARD_AXM) 229 #define CONFIG_BOOTARGS CONFIG_BOOTARGS_AXM 230 #endif 231 232 #define CONFIG_SYS_CBSIZE 256 233 #define CONFIG_SYS_MAXARGS 16 234 #define CONFIG_SYS_PBSIZE \ 235 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 236 #define CONFIG_SYS_LONGHELP 237 #define CONFIG_CMDLINE_EDITING 238 #define CONFIG_AUTO_COMPLETE 239 240 /* 241 * Size of malloc() pool 242 */ 243 #define CONFIG_SYS_MALLOC_LEN \ 244 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 245 246 /* Defines for SPL */ 247 #define CONFIG_SPL_FRAMEWORK 248 #define CONFIG_SPL_TEXT_BASE 0x0 249 #define CONFIG_SPL_MAX_SIZE (31 * SZ_512) 250 #define CONFIG_SPL_STACK (ATMEL_BASE_SRAM1 + SZ_16K) 251 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_TEXT_BASE - \ 252 CONFIG_SYS_MALLOC_LEN) 253 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 254 255 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE 256 #define CONFIG_SPL_BSS_MAX_SIZE (3 * 1024) 257 258 #define CONFIG_SPL_LIBCOMMON_SUPPORT 259 #define CONFIG_SPL_LIBGENERIC_SUPPORT 260 #define CONFIG_SPL_SERIAL_SUPPORT 261 262 #define CONFIG_SPL_BOARD_INIT 263 #define CONFIG_SPL_GPIO_SUPPORT 264 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14) 265 #define CONFIG_SPL_NAND_SUPPORT 266 #define CONFIG_SYS_USE_NANDFLASH 1 267 #define CONFIG_SPL_NAND_DRIVERS 268 #define CONFIG_SPL_NAND_BASE 269 #define CONFIG_SPL_NAND_ECC 270 #define CONFIG_SPL_NAND_RAW_ONLY 271 #define CONFIG_SPL_NAND_SOFTECC 272 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 273 #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x80000 274 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 275 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE 276 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 277 278 #define CONFIG_SYS_NAND_SIZE (256*1024*1024) 279 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 280 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 281 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 282 CONFIG_SYS_NAND_PAGE_SIZE) 283 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 284 #define CONFIG_SYS_NAND_ECCSIZE 256 285 #define CONFIG_SYS_NAND_ECCBYTES 3 286 #define CONFIG_SYS_NAND_OOBSIZE 64 287 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ 288 48, 49, 50, 51, 52, 53, 54, 55, \ 289 56, 57, 58, 59, 60, 61, 62, 63, } 290 291 292 #define CONFIG_SPL_ATMEL_SIZE 293 #define CONFIG_SYS_MASTER_CLOCK 132096000 294 #define AT91_PLL_LOCK_TIMEOUT 1000000 295 #define CONFIG_SYS_AT91_PLLA 0x202A3F01 296 #define CONFIG_SYS_MCKR 0x1300 297 #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR) 298 #define CONFIG_SYS_AT91_PLLB 0x10193F05 299 300 #endif 301