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 24 #define MACH_TYPE_TAURUS 2067 25 #define MACH_TYPE_AXM 2068 26 27 #define CONFIG_SYS_GENERIC_BOARD 28 29 #if defined(CONFIG_SPL_BUILD) 30 #define CONFIG_SYS_THUMB_BUILD 31 #define CONFIG_SYS_ICACHE_OFF 32 #define CONFIG_SYS_DCACHE_OFF 33 #endif 34 /* 35 * Warning: changing CONFIG_SYS_TEXT_BASE requires 36 * adapting the initial boot program. 37 * Since the linker has to swallow that define, we must use a pure 38 * hex number here! 39 */ 40 41 42 #define CONFIG_SYS_TEXT_BASE 0x21000000 43 44 /* ARM asynchronous clock */ 45 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 46 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 47 48 /* Misc CPU related */ 49 #define CONFIG_ARCH_CPU_INIT 50 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 51 #define CONFIG_SETUP_MEMORY_TAGS 52 #define CONFIG_INITRD_TAG 53 #define CONFIG_SKIP_LOWLEVEL_INIT 54 #define CONFIG_BOARD_EARLY_INIT_F 55 #define CONFIG_DISPLAY_CPUINFO 56 57 #define CONFIG_CMD_BOOTZ 58 #define CONFIG_OF_LIBFDT 59 60 /* general purpose I/O */ 61 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 62 #define CONFIG_AT91_GPIO 63 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 64 65 /* serial console */ 66 #define CONFIG_ATMEL_USART 67 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 68 #define CONFIG_USART_ID ATMEL_ID_SYS 69 #define CONFIG_BAUDRATE 115200 70 71 #define CONFIG_BOOTDELAY 3 72 73 /* 74 * Command line configuration. 75 */ 76 #include <config_cmd_default.h> 77 #undef CONFIG_CMD_BDI 78 #undef CONFIG_CMD_FPGA 79 #undef CONFIG_CMD_IMI 80 #undef CONFIG_CMD_IMLS 81 #undef CONFIG_CMD_LOADS 82 #undef CONFIG_CMD_SOURCE 83 84 #define CONFIG_CMD_PING 85 #define CONFIG_CMD_DHCP 86 #define CONFIG_CMD_NAND 87 88 /* 89 * SDRAM: 1 bank, min 32, max 128 MB 90 * Initialized before u-boot gets started. 91 */ 92 #define CONFIG_NR_DRAM_BANKS 1 93 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 94 #define CONFIG_SYS_SDRAM_SIZE (128 * 1024 * 1024) 95 96 /* 97 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 98 * leaving the correct space for initial global data structure above 99 * that address while providing maximum stack area below. 100 */ 101 # define CONFIG_SYS_INIT_SP_ADDR \ 102 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 103 104 /* NAND flash */ 105 #ifdef CONFIG_CMD_NAND 106 #define CONFIG_NAND_ATMEL 107 #define CONFIG_SYS_MAX_NAND_DEVICE 1 108 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 109 #define CONFIG_SYS_NAND_DBW_8 110 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 111 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 112 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 113 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 114 #endif 115 116 /* NOR flash - no real flash on this board */ 117 #define CONFIG_SYS_NO_FLASH 1 118 119 /* Ethernet */ 120 #define CONFIG_MACB 121 #define CONFIG_RMII 122 #define CONFIG_AT91_WANTS_COMMON_PHY 123 124 #define CONFIG_AT91SAM9_WATCHDOG 125 #if !defined(CONFIG_SPL_BUILD) 126 /* Enable the watchdog */ 127 #define CONFIG_HW_WATCHDOG 128 #endif 129 130 /* USB */ 131 #if defined(CONFIG_BOARD_TAURUS) 132 #define CONFIG_USB_ATMEL 133 #define CONFIG_USB_OHCI_NEW 134 #define CONFIG_SYS_USB_OHCI_CPU_INIT 135 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 136 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 137 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 138 #define CONFIG_USB_STORAGE 139 #endif 140 141 /* SPI EEPROM */ 142 #define CONFIG_SPI 143 #define CONFIG_CMD_SPI 144 #define CONFIG_CMD_SF 145 #define CONFIG_SPI_FLASH 146 #define CONFIG_ATMEL_SPI 147 #define CONFIG_SPI_FLASH_STMICRO 148 #define TAURUS_SPI_MASK (1 << 4) 149 #define TAURUS_SPI_CS_PIN AT91_PIN_PA3 150 151 #if defined(CONFIG_SPL_BUILD) 152 /* SPL related */ 153 #undef CONFIG_SPL_OS_BOOT /* Not supported by existing map */ 154 #define CONFIG_SPL_SPI_SUPPORT 155 #define CONFIG_SPL_SPI_FLASH_SUPPORT 156 #define CONFIG_SPL_SPI_LOAD 157 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 158 159 #define CONFIG_SF_DEFAULT_BUS 0 160 #define CONFIG_SF_DEFAULT_SPEED 10000000 161 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 162 #endif 163 164 /* load address */ 165 #define CONFIG_SYS_LOAD_ADDR 0x22000000 166 167 /* bootstrap in spi flash , u-boot + env + linux in nandflash */ 168 #define CONFIG_ENV_IS_IN_NAND 169 #define CONFIG_ENV_OFFSET 0x100000 170 #define CONFIG_ENV_OFFSET_REDUND 0x180000 171 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 172 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 173 #define CONFIG_BOOTARGS \ 174 "console=ttyS0,115200 earlyprintk " \ 175 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 176 "256k(env),256k(env_redundant),256k(spare)," \ 177 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 178 "root=/dev/mtdblock7 rw rootfstype=jffs2" 179 180 #define CONFIG_SYS_PROMPT "U-Boot> " 181 #define CONFIG_SYS_CBSIZE 256 182 #define CONFIG_SYS_MAXARGS 16 183 #define CONFIG_SYS_PBSIZE \ 184 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 185 #define CONFIG_SYS_LONGHELP 186 #define CONFIG_CMDLINE_EDITING 187 #define CONFIG_AUTO_COMPLETE 188 189 /* 190 * Size of malloc() pool 191 */ 192 #define CONFIG_SYS_MALLOC_LEN \ 193 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 194 195 /* Defines for SPL */ 196 #define CONFIG_SPL_FRAMEWORK 197 #define CONFIG_SPL_TEXT_BASE 0x0 198 #define CONFIG_SPL_MAX_SIZE (14 * 1024) 199 #define CONFIG_SPL_STACK (16 * 1024) 200 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_TEXT_BASE - \ 201 CONFIG_SYS_MALLOC_LEN) 202 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 203 204 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE 205 #define CONFIG_SPL_BSS_MAX_SIZE (3 * 1024) 206 207 #define CONFIG_SPL_LIBCOMMON_SUPPORT 208 #define CONFIG_SPL_LIBGENERIC_SUPPORT 209 #define CONFIG_SPL_SERIAL_SUPPORT 210 211 #define CONFIG_SPL_BOARD_INIT 212 #define CONFIG_SPL_GPIO_SUPPORT 213 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14) 214 #define CONFIG_SPL_NAND_SUPPORT 215 #define CONFIG_SYS_USE_NANDFLASH 1 216 #define CONFIG_SPL_NAND_DRIVERS 217 #define CONFIG_SPL_NAND_BASE 218 #define CONFIG_SPL_NAND_ECC 219 #define CONFIG_SPL_NAND_RAW_ONLY 220 #define CONFIG_SPL_NAND_SOFTECC 221 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 222 #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x80000 223 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 224 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE 225 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 226 227 #define CONFIG_SYS_NAND_SIZE (256*1024*1024) 228 #define CONFIG_SYS_NAND_PAGE_SIZE 2048 229 #define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024) 230 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 231 CONFIG_SYS_NAND_PAGE_SIZE) 232 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 233 #define CONFIG_SYS_NAND_ECCSIZE 256 234 #define CONFIG_SYS_NAND_ECCBYTES 3 235 #define CONFIG_SYS_NAND_OOBSIZE 64 236 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ 237 48, 49, 50, 51, 52, 53, 54, 55, \ 238 56, 57, 58, 59, 60, 61, 62, 63, } 239 240 241 #define CONFIG_SPL_ATMEL_SIZE 242 #define CONFIG_SYS_MASTER_CLOCK 132096000 243 #define AT91_PLL_LOCK_TIMEOUT 1000000 244 #define CONFIG_SYS_AT91_PLLA 0x202A3F01 245 #define CONFIG_SYS_MCKR 0x1300 246 #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR) 247 #define CONFIG_SYS_AT91_PLLB 0x10193F05 248 #endif 249