1 /* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian@popies.net> 4 * Lead Tech Design <www.leadtechdesign.com> 5 * 6 * (C) Copyright 2010 7 * Achim Ehrlich <aehrlich@taskit.de> 8 * taskit GmbH <www.taskit.de> 9 * 10 * (C) Copyright 2012 11 * Markus Hubig <mhubig@imko.de> 12 * IMKO GmbH <www.imko.de> 13 * 14 * (C) Copyright 2014 15 * Heiko Schocher <hs@denx.de> 16 * DENX Software Engineering GmbH 17 * 18 * Configuation settings for the smartweb. 19 * 20 * SPDX-License-Identifier: GPL-2.0+ 21 */ 22 23 #ifndef __CONFIG_H 24 #define __CONFIG_H 25 26 /* 27 * SoC must be defined first, before hardware.h is included. 28 * In this case SoC is defined in boards.cfg. 29 */ 30 #include <asm/hardware.h> 31 #include <linux/sizes.h> 32 33 /* 34 * Warning: changing CONFIG_SYS_TEXT_BASE requires adapting the initial boot 35 * program. Since the linker has to swallow that define, we must use a pure 36 * hex number here! 37 */ 38 #define CONFIG_SYS_TEXT_BASE 0x23000000 39 40 /* ARM asynchronous clock */ 41 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 42 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */ 43 44 /* misc settings */ 45 #define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */ 46 #define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */ 47 #define CONFIG_INITRD_TAG /* pass initrd param to kernel */ 48 #define CONFIG_SKIP_LOWLEVEL_INIT_ONLY /* U-Boot is loaded by a bootloader */ 49 50 /* We set the max number of command args high to avoid HUSH bugs. */ 51 #define CONFIG_SYS_MAXARGS 32 52 53 /* setting board specific options */ 54 #define CONFIG_MACH_TYPE MACH_TYPE_SMARTWEB 55 #define CONFIG_AUTO_COMPLETE 56 #define CONFIG_ENV_OVERWRITE 1 /* Overwrite ethaddr / serial# */ 57 #define CONFIG_AUTO_COMPLETE 58 #define CONFIG_SYS_AUTOLOAD "yes" 59 #define CONFIG_RESET_TO_RETRY 60 61 /* The LED PINs */ 62 #define CONFIG_RED_LED AT91_PIN_PA9 63 #define CONFIG_GREEN_LED AT91_PIN_PA6 64 65 /* 66 * SDRAM: 1 bank, 64 MB, base address 0x20000000 67 * Already initialized before u-boot gets started. 68 */ 69 #define CONFIG_NR_DRAM_BANKS 1 70 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 71 #define CONFIG_SYS_SDRAM_SIZE (64 * SZ_1M) 72 73 /* 74 * Perform a SDRAM Memtest from the start of SDRAM 75 * till the beginning of the U-Boot position in RAM. 76 */ 77 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 78 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - 0x100000) 79 80 /* Size of malloc() pool */ 81 #define CONFIG_SYS_MALLOC_LEN \ 82 ROUND(3 * CONFIG_ENV_SIZE + (4 * SZ_1M), 0x1000) 83 84 /* NAND flash settings */ 85 #define CONFIG_SYS_MAX_NAND_DEVICE 1 86 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 87 #define CONFIG_SYS_NAND_DBW_8 88 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 89 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 90 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 91 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 92 93 #define CONFIG_MTD_DEVICE 94 #define MTDIDS_NAME_STR "atmel_nand" 95 #define MTDIDS_DEFAULT "nand0=" MTDIDS_NAME_STR 96 #define MTDPARTS_DEFAULT "mtdparts=" MTDIDS_NAME_STR ":" \ 97 "128k(Bootstrap)," \ 98 "896k(U-Boot)," \ 99 "512k(ENV0)," \ 100 "512k(ENV1)," \ 101 "4M(Linux)," \ 102 "-(Root-FS)" 103 104 /* general purpose I/O */ 105 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 106 #define CONFIG_AT91_GPIO /* enable the GPIO features */ 107 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 108 109 /* serial console */ 110 #define CONFIG_ATMEL_USART 111 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 112 #define CONFIG_USART_ID ATMEL_ID_SYS 113 114 /* 115 * Ethernet configuration 116 * 117 */ 118 #define CONFIG_MACB 119 #define CONFIG_RMII /* use reduced MII inteface */ 120 #define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */ 121 #define CONFIG_AT91_WANTS_COMMON_PHY 122 123 /* BOOTP and DHCP options */ 124 #define CONFIG_BOOTP_BOOTFILESIZE 125 #define CONFIG_BOOTP_BOOTPATH 126 #define CONFIG_BOOTP_GATEWAY 127 #define CONFIG_BOOTP_HOSTNAME 128 #define CONFIG_NFSBOOTCOMMAND \ 129 "setenv autoload yes; setenv autoboot yes; " \ 130 "setenv bootargs ${basicargs} ${mtdparts} " \ 131 "root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \ 132 "dhcp" 133 134 /* Enable the watchdog */ 135 #define CONFIG_AT91SAM9_WATCHDOG 136 #if !defined(CONFIG_SPL_BUILD) 137 #define CONFIG_HW_WATCHDOG 138 #endif 139 #define CONFIG_AT91_HW_WDT_TIMEOUT 15 140 141 #if !defined(CONFIG_SPL_BUILD) 142 /* USB configuration */ 143 #define CONFIG_USB_ATMEL 144 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 145 #define CONFIG_USB_OHCI_NEW 146 #define CONFIG_SYS_USB_OHCI_CPU_INIT 147 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE 148 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 149 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 150 151 /* USB DFU support */ 152 #define CONFIG_MTD_DEVICE 153 #define CONFIG_MTD_PARTITIONS 154 155 #define CONFIG_USB_GADGET_AT91 156 157 /* DFU class support */ 158 #define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_1M 159 #define DFU_MANIFEST_POLL_TIMEOUT 25000 160 #endif 161 162 /* General Boot Parameter */ 163 #define CONFIG_BOOTCOMMAND "run flashboot" 164 #define CONFIG_SYS_CBSIZE 512 165 #define CONFIG_SYS_LONGHELP 166 #define CONFIG_CMDLINE_EDITING 167 168 /* 169 * RAM Memory address where to put the 170 * Linux Kernel befor starting. 171 */ 172 #define CONFIG_SYS_LOAD_ADDR 0x22000000 173 174 /* 175 * The NAND Flash partitions: 176 */ 177 #define CONFIG_ENV_OFFSET (0x100000) 178 #define CONFIG_ENV_OFFSET_REDUND (0x180000) 179 #define CONFIG_ENV_RANGE (SZ_512K) 180 #define CONFIG_ENV_SIZE (SZ_128K) 181 182 /* 183 * Predefined environment variables. 184 * Usefull to define some easy to use boot commands. 185 */ 186 #define CONFIG_EXTRA_ENV_SETTINGS \ 187 \ 188 "basicargs=console=ttyS0,115200\0" \ 189 \ 190 "mtdparts="MTDPARTS_DEFAULT"\0" 191 192 #ifdef CONFIG_SPL_BUILD 193 #define CONFIG_SYS_INIT_SP_ADDR 0x301000 194 #define CONFIG_SPL_STACK_R 195 #define CONFIG_SPL_STACK_R_ADDR CONFIG_SYS_TEXT_BASE 196 #else 197 /* 198 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 199 * leaving the correct space for initial global data structure above that 200 * address while providing maximum stack area below. 201 */ 202 #define CONFIG_SYS_INIT_SP_ADDR \ 203 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 204 #endif 205 206 /* Defines for SPL */ 207 #define CONFIG_SPL_FRAMEWORK 208 #define CONFIG_SPL_TEXT_BASE 0x0 209 #define CONFIG_SPL_MAX_SIZE (SZ_4K) 210 211 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SYS_SDRAM_BASE 212 #define CONFIG_SPL_BSS_MAX_SIZE (SZ_16K) 213 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ 214 CONFIG_SPL_BSS_MAX_SIZE) 215 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 216 217 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14) 218 #define CONFIG_SYS_USE_NANDFLASH 1 219 #define CONFIG_SPL_NAND_DRIVERS 220 #define CONFIG_SPL_NAND_BASE 221 #define CONFIG_SPL_NAND_ECC 222 #define CONFIG_SPL_NAND_RAW_ONLY 223 #define CONFIG_SPL_NAND_SOFTECC 224 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 225 #define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K 226 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 227 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE 228 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 229 230 #define CONFIG_SYS_NAND_SIZE (SZ_256M) 231 #define CONFIG_SYS_NAND_PAGE_SIZE SZ_2K 232 #define CONFIG_SYS_NAND_BLOCK_SIZE (SZ_128K) 233 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 234 CONFIG_SYS_NAND_PAGE_SIZE) 235 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 236 #define CONFIG_SYS_NAND_ECCSIZE 256 237 #define CONFIG_SYS_NAND_ECCBYTES 3 238 #define CONFIG_SYS_NAND_OOBSIZE 64 239 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ 240 48, 49, 50, 51, 52, 53, 54, 55, \ 241 56, 57, 58, 59, 60, 61, 62, 63, } 242 243 #define CONFIG_SPL_ATMEL_SIZE 244 #define CONFIG_SYS_MASTER_CLOCK (198656000/2) 245 #define AT91_PLL_LOCK_TIMEOUT 1000000 246 #define CONFIG_SYS_AT91_PLLA 0x2060bf09 247 #define CONFIG_SYS_MCKR 0x100 248 #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR) 249 #define CONFIG_SYS_AT91_PLLB 0x10483f0e 250 251 #if defined(CONFIG_SPL_BUILD) 252 #define CONFIG_SYS_ICACHE_OFF 253 #define CONFIG_SYS_DCACHE_OFF 254 #endif 255 #endif /* __CONFIG_H */ 256