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