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 #if defined(CONFIG_SPL_BUILD) 26 #define CONFIG_SYS_THUMB_BUILD 27 #define CONFIG_SYS_ICACHE_OFF 28 #define CONFIG_SYS_DCACHE_OFF 29 #endif 30 /* 31 * Warning: changing CONFIG_SYS_TEXT_BASE requires 32 * adapting the initial boot program. 33 * Since the linker has to swallow that define, we must use a pure 34 * hex number here! 35 */ 36 37 #define CONFIG_SYS_TEXT_BASE 0x21000000 38 39 /* ARM asynchronous clock */ 40 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 41 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 42 43 /* Misc CPU related */ 44 #define CONFIG_ARCH_CPU_INIT 45 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 46 #define CONFIG_SETUP_MEMORY_TAGS 47 #define CONFIG_INITRD_TAG 48 #define CONFIG_SKIP_LOWLEVEL_INIT_ONLY 49 50 /* general purpose I/O */ 51 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 52 #define CONFIG_AT91_GPIO 53 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 54 55 /* serial console */ 56 #define CONFIG_ATMEL_USART 57 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 58 #define CONFIG_USART_ID ATMEL_ID_SYS 59 #define CONFIG_BAUDRATE 115200 60 61 62 /* 63 * Command line configuration. 64 */ 65 #define CONFIG_CMD_NAND 66 67 /* 68 * SDRAM: 1 bank, min 32, max 128 MB 69 * Initialized before u-boot gets started. 70 */ 71 #define CONFIG_NR_DRAM_BANKS 1 72 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 73 #define CONFIG_SYS_SDRAM_SIZE (128 * SZ_1M) 74 75 /* 76 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 77 * leaving the correct space for initial global data structure above 78 * that address while providing maximum stack area below. 79 */ 80 #define CONFIG_SYS_INIT_SP_ADDR \ 81 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 82 83 /* NAND flash */ 84 #ifdef CONFIG_CMD_NAND 85 #define CONFIG_NAND_ATMEL 86 #define CONFIG_SYS_MAX_NAND_DEVICE 1 87 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 88 #define CONFIG_SYS_NAND_DBW_8 89 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 90 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 91 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 92 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 93 #endif 94 95 /* Ethernet */ 96 #define CONFIG_MACB 97 #define CONFIG_PHYLIB 98 #define CONFIG_RMII 99 #define CONFIG_AT91_WANTS_COMMON_PHY 100 101 #define CONFIG_AT91SAM9_WATCHDOG 102 #define CONFIG_AT91_HW_WDT_TIMEOUT 15 103 #if !defined(CONFIG_SPL_BUILD) 104 /* Enable the watchdog */ 105 #define CONFIG_HW_WATCHDOG 106 #endif 107 108 /* USB */ 109 #if defined(CONFIG_BOARD_TAURUS) 110 #define CONFIG_USB_ATMEL 111 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 112 #define CONFIG_USB_OHCI_NEW 113 #define CONFIG_SYS_USB_OHCI_CPU_INIT 114 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 115 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 116 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 117 118 /* USB DFU support */ 119 #define CONFIG_CMD_MTDPARTS 120 #define CONFIG_MTD_DEVICE 121 #define CONFIG_MTD_PARTITIONS 122 123 #define CONFIG_USB_GADGET_AT91 124 125 /* DFU class support */ 126 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (SZ_1M) 127 #define DFU_MANIFEST_POLL_TIMEOUT 25000 128 #endif 129 130 /* SPI EEPROM */ 131 #define CONFIG_SPI 132 #define CONFIG_ATMEL_SPI 133 #define TAURUS_SPI_MASK (1 << 4) 134 #define TAURUS_SPI_CS_PIN AT91_PIN_PA3 135 136 #if defined(CONFIG_SPL_BUILD) 137 /* SPL related */ 138 #define CONFIG_SPL_SPI_LOAD 139 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 140 141 #define CONFIG_SF_DEFAULT_BUS 0 142 #define CONFIG_SF_DEFAULT_SPEED 1000000 143 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_3 144 #endif 145 146 /* load address */ 147 #define CONFIG_SYS_LOAD_ADDR 0x22000000 148 149 /* bootstrap in spi flash , u-boot + env + linux in nandflash */ 150 #define CONFIG_ENV_IS_IN_NAND 151 #define CONFIG_ENV_OFFSET 0x100000 152 #define CONFIG_ENV_OFFSET_REDUND 0x180000 153 #define CONFIG_ENV_SIZE (SZ_128K) /* 1 sector = 128 kB */ 154 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 155 156 #if defined(CONFIG_BOARD_TAURUS) 157 #define CONFIG_BOOTARGS_TAURUS \ 158 "console=ttyS0,115200 earlyprintk " \ 159 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 160 "256k(env),256k(env_redundant),256k(spare)," \ 161 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 162 "root=/dev/mtdblock7 rw rootfstype=jffs2" 163 #endif 164 165 #if defined(CONFIG_BOARD_AXM) 166 #define CONFIG_BOOTARGS_AXM \ 167 "\0" \ 168 "addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:" \ 169 "${gatewayip}:${netmask}:${hostname}:${netdev}::off\0" \ 170 "addtest=setenv bootargs ${bootargs} loglevel=4 test\0" \ 171 "baudrate=115200\0" \ 172 "boot_file=setenv bootfile /${project_dir}/kernel/uImage\0" \ 173 "boot_retries=0\0" \ 174 "bootcmd=run flash_self\0" \ 175 "bootdelay=3\0" \ 176 "ethact=macb0\0" \ 177 "flash_nfs=run nand_kernel;run nfsargs;run addip;upgrade_available;"\ 178 "bootm ${kernel_ram};reset\0" \ 179 "flash_self=run nand_kernel;run setbootargs;upgrade_available;" \ 180 "bootm ${kernel_ram};reset\0" \ 181 "flash_self_test=run nand_kernel;run setbootargs addtest; " \ 182 "upgrade_available;bootm ${kernel_ram};reset\0" \ 183 "hostname=systemone\0" \ 184 "kernel_Off=0x00200000\0" \ 185 "kernel_Off_fallback=0x03800000\0" \ 186 "kernel_ram=0x21500000\0" \ 187 "kernel_size=0x00400000\0" \ 188 "kernel_size_fallback=0x00400000\0" \ 189 "loads_echo=1\0" \ 190 "nand_kernel=nand read.e ${kernel_ram} ${kernel_Off} " \ 191 "${kernel_size}\0" \ 192 "net_nfs=run boot_file;tftp ${kernel_ram} ${bootfile};" \ 193 "run nfsargs;run addip;upgrade_available;bootm " \ 194 "${kernel_ram};reset\0" \ 195 "netdev=eth0\0" \ 196 "nfsargs=run root_path;setenv bootargs ${bootargs} " \ 197 "root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ 198 "at91sam9_wdt.wdt_timeout=16\0" \ 199 "partitionset_active=A\0" \ 200 "preboot=echo;echo Type 'run flash_self' to use kernel and root "\ 201 "filesystem on memory;echo Type 'run flash_nfs' to use kernel " \ 202 "from memory and root filesystem over NFS;echo Type 'run net_nfs' "\ 203 "to get Kernel over TFTP and mount root filesystem over NFS;echo\0"\ 204 "project_dir=systemone\0" \ 205 "root_path=setenv rootpath /home/projects/${project_dir}/rootfs\0"\ 206 "rootfs=/dev/mtdblock5\0" \ 207 "rootfs_fallback=/dev/mtdblock7\0" \ 208 "setbootargs=setenv bootargs ${bootargs} console=ttyMTD,mtdoops "\ 209 "root=${rootfs} rootfstype=jffs2 panic=7 " \ 210 "at91sam9_wdt.wdt_timeout=16\0" \ 211 "stderr=serial\0" \ 212 "stdin=serial\0" \ 213 "stdout=serial\0" \ 214 "upgrade_available=0\0" 215 #endif 216 217 #if defined(CONFIG_BOARD_TAURUS) 218 #define CONFIG_BOOTARGS CONFIG_BOOTARGS_TAURUS 219 #endif 220 221 #if defined(CONFIG_BOARD_AXM) 222 #define CONFIG_BOOTARGS CONFIG_BOOTARGS_AXM 223 #endif 224 225 #define CONFIG_SYS_CBSIZE 256 226 #define CONFIG_SYS_MAXARGS 16 227 #define CONFIG_SYS_PBSIZE \ 228 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 229 #define CONFIG_SYS_LONGHELP 230 #define CONFIG_CMDLINE_EDITING 231 #define CONFIG_AUTO_COMPLETE 232 233 /* 234 * Size of malloc() pool 235 */ 236 #define CONFIG_SYS_MALLOC_LEN \ 237 ROUND(3 * CONFIG_ENV_SIZE + SZ_4M, 0x1000) 238 239 /* Defines for SPL */ 240 #define CONFIG_SPL_FRAMEWORK 241 #define CONFIG_SPL_TEXT_BASE 0x0 242 #define CONFIG_SPL_MAX_SIZE (31 * SZ_512) 243 #define CONFIG_SPL_STACK (ATMEL_BASE_SRAM1 + SZ_16K) 244 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_TEXT_BASE - \ 245 CONFIG_SYS_MALLOC_LEN) 246 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 247 248 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE 249 #define CONFIG_SPL_BSS_MAX_SIZE (3 * SZ_512) 250 251 #define CONFIG_SPL_BOARD_INIT 252 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14) 253 #define CONFIG_SYS_USE_NANDFLASH 1 254 #define CONFIG_SPL_NAND_DRIVERS 255 #define CONFIG_SPL_NAND_BASE 256 #define CONFIG_SPL_NAND_ECC 257 #define CONFIG_SPL_NAND_RAW_ONLY 258 #define CONFIG_SPL_NAND_SOFTECC 259 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 260 #define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K 261 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 262 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE 263 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 264 265 #define CONFIG_SYS_NAND_SIZE (256 * SZ_1M) 266 #define CONFIG_SYS_NAND_PAGE_SIZE SZ_2K 267 #define CONFIG_SYS_NAND_BLOCK_SIZE (SZ_128K) 268 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 269 CONFIG_SYS_NAND_PAGE_SIZE) 270 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 271 #define CONFIG_SYS_NAND_ECCSIZE 256 272 #define CONFIG_SYS_NAND_ECCBYTES 3 273 #define CONFIG_SYS_NAND_OOBSIZE 64 274 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ 275 48, 49, 50, 51, 52, 53, 54, 55, \ 276 56, 57, 58, 59, 60, 61, 62, 63, } 277 278 #define CONFIG_SPL_ATMEL_SIZE 279 #define CONFIG_SYS_MASTER_CLOCK 132096000 280 #define AT91_PLL_LOCK_TIMEOUT 1000000 281 #define CONFIG_SYS_AT91_PLLA 0x202A3F01 282 #define CONFIG_SYS_MCKR 0x1300 283 #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR) 284 #define CONFIG_SYS_AT91_PLLB 0x10193F05 285 286 #endif 287