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_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 94 #define CONFIG_MTD_DEVICE 95 96 /* general purpose I/O */ 97 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 98 #define CONFIG_AT91_GPIO /* enable the GPIO features */ 99 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 100 101 /* serial console */ 102 #define CONFIG_ATMEL_USART 103 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 104 #define CONFIG_USART_ID ATMEL_ID_SYS 105 106 /* 107 * Ethernet configuration 108 * 109 */ 110 #define CONFIG_MACB 111 #define CONFIG_RMII /* use reduced MII inteface */ 112 #define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */ 113 #define CONFIG_AT91_WANTS_COMMON_PHY 114 115 /* BOOTP and DHCP options */ 116 #define CONFIG_BOOTP_BOOTFILESIZE 117 #define CONFIG_BOOTP_BOOTPATH 118 #define CONFIG_BOOTP_GATEWAY 119 #define CONFIG_BOOTP_HOSTNAME 120 #define CONFIG_NFSBOOTCOMMAND \ 121 "setenv autoload yes; setenv autoboot yes; " \ 122 "setenv bootargs ${basicargs} ${mtdparts} " \ 123 "root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \ 124 "dhcp" 125 126 /* Enable the watchdog */ 127 #define CONFIG_AT91SAM9_WATCHDOG 128 #if !defined(CONFIG_SPL_BUILD) 129 #define CONFIG_HW_WATCHDOG 130 #endif 131 #define CONFIG_AT91_HW_WDT_TIMEOUT 15 132 133 #if !defined(CONFIG_SPL_BUILD) 134 /* USB configuration */ 135 #define CONFIG_USB_ATMEL 136 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 137 #define CONFIG_USB_OHCI_NEW 138 #define CONFIG_SYS_USB_OHCI_CPU_INIT 139 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE 140 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 141 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 142 143 /* USB DFU support */ 144 #define CONFIG_MTD_DEVICE 145 #define CONFIG_MTD_PARTITIONS 146 147 #define CONFIG_USB_GADGET_AT91 148 149 /* DFU class support */ 150 #define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_1M 151 #define DFU_MANIFEST_POLL_TIMEOUT 25000 152 #endif 153 154 /* General Boot Parameter */ 155 #define CONFIG_BOOTCOMMAND "run flashboot" 156 #define CONFIG_SYS_CBSIZE 512 157 #define CONFIG_SYS_LONGHELP 158 #define CONFIG_CMDLINE_EDITING 159 160 /* 161 * RAM Memory address where to put the 162 * Linux Kernel befor starting. 163 */ 164 #define CONFIG_SYS_LOAD_ADDR 0x22000000 165 166 /* 167 * The NAND Flash partitions: 168 */ 169 #define CONFIG_ENV_OFFSET (0x100000) 170 #define CONFIG_ENV_OFFSET_REDUND (0x180000) 171 #define CONFIG_ENV_RANGE (SZ_512K) 172 #define CONFIG_ENV_SIZE (SZ_128K) 173 174 /* 175 * Predefined environment variables. 176 * Usefull to define some easy to use boot commands. 177 */ 178 #define CONFIG_EXTRA_ENV_SETTINGS \ 179 \ 180 "basicargs=console=ttyS0,115200\0" \ 181 \ 182 "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" 183 184 #ifdef CONFIG_SPL_BUILD 185 #define CONFIG_SYS_INIT_SP_ADDR 0x301000 186 #define CONFIG_SPL_STACK_R 187 #define CONFIG_SPL_STACK_R_ADDR CONFIG_SYS_TEXT_BASE 188 #else 189 /* 190 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 191 * leaving the correct space for initial global data structure above that 192 * address while providing maximum stack area below. 193 */ 194 #define CONFIG_SYS_INIT_SP_ADDR \ 195 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 196 #endif 197 198 /* Defines for SPL */ 199 #define CONFIG_SPL_FRAMEWORK 200 #define CONFIG_SPL_TEXT_BASE 0x0 201 #define CONFIG_SPL_MAX_SIZE (SZ_4K) 202 203 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SYS_SDRAM_BASE 204 #define CONFIG_SPL_BSS_MAX_SIZE (SZ_16K) 205 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ 206 CONFIG_SPL_BSS_MAX_SIZE) 207 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 208 209 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14) 210 #define CONFIG_SYS_USE_NANDFLASH 1 211 #define CONFIG_SPL_NAND_DRIVERS 212 #define CONFIG_SPL_NAND_BASE 213 #define CONFIG_SPL_NAND_ECC 214 #define CONFIG_SPL_NAND_RAW_ONLY 215 #define CONFIG_SPL_NAND_SOFTECC 216 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 217 #define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K 218 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 219 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE 220 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 221 222 #define CONFIG_SYS_NAND_SIZE (SZ_256M) 223 #define CONFIG_SYS_NAND_PAGE_SIZE SZ_2K 224 #define CONFIG_SYS_NAND_BLOCK_SIZE (SZ_128K) 225 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 226 CONFIG_SYS_NAND_PAGE_SIZE) 227 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 228 #define CONFIG_SYS_NAND_ECCSIZE 256 229 #define CONFIG_SYS_NAND_ECCBYTES 3 230 #define CONFIG_SYS_NAND_OOBSIZE 64 231 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ 232 48, 49, 50, 51, 52, 53, 54, 55, \ 233 56, 57, 58, 59, 60, 61, 62, 63, } 234 235 #define CONFIG_SPL_ATMEL_SIZE 236 #define CONFIG_SYS_MASTER_CLOCK (198656000/2) 237 #define AT91_PLL_LOCK_TIMEOUT 1000000 238 #define CONFIG_SYS_AT91_PLLA 0x2060bf09 239 #define CONFIG_SYS_MCKR 0x100 240 #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR) 241 #define CONFIG_SYS_AT91_PLLB 0x10483f0e 242 243 #if defined(CONFIG_SPL_BUILD) 244 #define CONFIG_SYS_ICACHE_OFF 245 #define CONFIG_SYS_DCACHE_OFF 246 #endif 247 #endif /* __CONFIG_H */ 248