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 39 /* ARM asynchronous clock */ 40 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 41 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432MHz crystal */ 42 43 /* misc settings */ 44 #define CONFIG_CMDLINE_TAG /* pass commandline to Kernel */ 45 #define CONFIG_SETUP_MEMORY_TAGS /* pass memory defs to kernel */ 46 #define CONFIG_INITRD_TAG /* pass initrd param to kernel */ 47 #define CONFIG_SKIP_LOWLEVEL_INIT_ONLY /* U-Boot is loaded by a bootloader */ 48 49 /* We set the max number of command args high to avoid HUSH bugs. */ 50 #define CONFIG_SYS_MAXARGS 32 51 52 /* setting board specific options */ 53 #define CONFIG_MACH_TYPE MACH_TYPE_SMARTWEB 54 #define CONFIG_ENV_OVERWRITE 1 /* Overwrite ethaddr / serial# */ 55 #define CONFIG_SYS_AUTOLOAD "yes" 56 #define CONFIG_RESET_TO_RETRY 57 58 /* The LED PINs */ 59 #define CONFIG_RED_LED AT91_PIN_PA9 60 #define CONFIG_GREEN_LED AT91_PIN_PA6 61 62 /* 63 * SDRAM: 1 bank, 64 MB, base address 0x20000000 64 * Already initialized before u-boot gets started. 65 */ 66 #define CONFIG_NR_DRAM_BANKS 1 67 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 68 #define CONFIG_SYS_SDRAM_SIZE (64 * SZ_1M) 69 70 /* 71 * Perform a SDRAM Memtest from the start of SDRAM 72 * till the beginning of the U-Boot position in RAM. 73 */ 74 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 75 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_TEXT_BASE - 0x100000) 76 77 /* Size of malloc() pool */ 78 #define CONFIG_SYS_MALLOC_LEN \ 79 ROUND(3 * CONFIG_ENV_SIZE + (4 * SZ_1M), 0x1000) 80 81 /* NAND flash settings */ 82 #define CONFIG_NAND_ATMEL 83 #define CONFIG_SYS_MAX_NAND_DEVICE 1 84 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 85 #define CONFIG_SYS_NAND_DBW_8 86 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 87 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 88 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 89 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 90 91 #define CONFIG_MTD_DEVICE 92 93 /* general purpose I/O */ 94 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 95 #define CONFIG_AT91_GPIO /* enable the GPIO features */ 96 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 97 98 /* serial console */ 99 #define CONFIG_ATMEL_USART 100 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 101 #define CONFIG_USART_ID ATMEL_ID_SYS 102 103 /* 104 * Ethernet configuration 105 * 106 */ 107 #define CONFIG_MACB 108 #define CONFIG_RMII /* use reduced MII inteface */ 109 #define CONFIG_NET_RETRY_COUNT 20 /* # of DHCP/BOOTP retries */ 110 #define CONFIG_AT91_WANTS_COMMON_PHY 111 112 /* BOOTP and DHCP options */ 113 #define CONFIG_BOOTP_BOOTFILESIZE 114 #define CONFIG_NFSBOOTCOMMAND \ 115 "setenv autoload yes; setenv autoboot yes; " \ 116 "setenv bootargs ${basicargs} ${mtdparts} " \ 117 "root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; " \ 118 "dhcp" 119 120 /* Enable the watchdog */ 121 #define CONFIG_AT91SAM9_WATCHDOG 122 #if !defined(CONFIG_SPL_BUILD) 123 #define CONFIG_HW_WATCHDOG 124 #endif 125 #define CONFIG_AT91_HW_WDT_TIMEOUT 15 126 127 #if !defined(CONFIG_SPL_BUILD) 128 /* USB configuration */ 129 #define CONFIG_USB_ATMEL 130 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 131 #define CONFIG_USB_OHCI_NEW 132 #define CONFIG_SYS_USB_OHCI_CPU_INIT 133 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE 134 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 135 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 136 137 /* USB DFU support */ 138 #define CONFIG_MTD_DEVICE 139 #define CONFIG_MTD_PARTITIONS 140 141 #define CONFIG_USB_GADGET_AT91 142 143 /* DFU class support */ 144 #define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_1M 145 #define DFU_MANIFEST_POLL_TIMEOUT 25000 146 #endif 147 148 /* General Boot Parameter */ 149 #define CONFIG_BOOTCOMMAND "run flashboot" 150 #define CONFIG_SYS_CBSIZE 512 151 152 /* 153 * RAM Memory address where to put the 154 * Linux Kernel befor starting. 155 */ 156 #define CONFIG_SYS_LOAD_ADDR 0x22000000 157 158 /* 159 * The NAND Flash partitions: 160 */ 161 #define CONFIG_ENV_OFFSET (0x100000) 162 #define CONFIG_ENV_OFFSET_REDUND (0x180000) 163 #define CONFIG_ENV_RANGE (SZ_512K) 164 #define CONFIG_ENV_SIZE (SZ_128K) 165 166 /* 167 * Predefined environment variables. 168 * Usefull to define some easy to use boot commands. 169 */ 170 #define CONFIG_EXTRA_ENV_SETTINGS \ 171 \ 172 "basicargs=console=ttyS0,115200\0" \ 173 \ 174 "mtdparts="CONFIG_MTDPARTS_DEFAULT"\0" 175 176 #ifdef CONFIG_SPL_BUILD 177 #define CONFIG_SYS_INIT_SP_ADDR 0x301000 178 #define CONFIG_SPL_STACK_R 179 #define CONFIG_SPL_STACK_R_ADDR CONFIG_SYS_TEXT_BASE 180 #else 181 /* 182 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 183 * leaving the correct space for initial global data structure above that 184 * address while providing maximum stack area below. 185 */ 186 #define CONFIG_SYS_INIT_SP_ADDR \ 187 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 188 #endif 189 190 /* Defines for SPL */ 191 #define CONFIG_SPL_TEXT_BASE 0x0 192 #define CONFIG_SPL_MAX_SIZE (SZ_4K) 193 194 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SYS_SDRAM_BASE 195 #define CONFIG_SPL_BSS_MAX_SIZE (SZ_16K) 196 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ 197 CONFIG_SPL_BSS_MAX_SIZE) 198 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN 199 200 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14) 201 #define CONFIG_SYS_USE_NANDFLASH 1 202 #define CONFIG_SPL_NAND_DRIVERS 203 #define CONFIG_SPL_NAND_BASE 204 #define CONFIG_SPL_NAND_ECC 205 #define CONFIG_SPL_NAND_RAW_ONLY 206 #define CONFIG_SPL_NAND_SOFTECC 207 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 208 #define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K 209 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 210 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE 211 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 212 213 #define CONFIG_SYS_NAND_SIZE (SZ_256M) 214 #define CONFIG_SYS_NAND_PAGE_SIZE SZ_2K 215 #define CONFIG_SYS_NAND_BLOCK_SIZE (SZ_128K) 216 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 217 CONFIG_SYS_NAND_PAGE_SIZE) 218 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 219 #define CONFIG_SYS_NAND_ECCSIZE 256 220 #define CONFIG_SYS_NAND_ECCBYTES 3 221 #define CONFIG_SYS_NAND_OOBSIZE 64 222 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ 223 48, 49, 50, 51, 52, 53, 54, 55, \ 224 56, 57, 58, 59, 60, 61, 62, 63, } 225 226 #define CONFIG_SPL_ATMEL_SIZE 227 #define CONFIG_SYS_MASTER_CLOCK (198656000/2) 228 #define AT91_PLL_LOCK_TIMEOUT 1000000 229 #define CONFIG_SYS_AT91_PLLA 0x2060bf09 230 #define CONFIG_SYS_MCKR 0x100 231 #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR) 232 #define CONFIG_SYS_AT91_PLLB 0x10483f0e 233 234 #if defined(CONFIG_SPL_BUILD) 235 #define CONFIG_SYS_ICACHE_OFF 236 #define CONFIG_SYS_DCACHE_OFF 237 #endif 238 #endif /* __CONFIG_H */ 239