1 /* 2 * (C) Copyright 2007-2008 3 * Stelian Pop <stelian@popies.net> 4 * Lead Tech Design <www.leadtechdesign.com> 5 * 6 * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards. 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11 #ifndef __CONFIG_H 12 #define __CONFIG_H 13 14 /* 15 * SoC must be defined first, before hardware.h is included. 16 * In this case SoC is defined in boards.cfg. 17 */ 18 #include <asm/hardware.h> 19 20 /* 21 * Warning: changing CONFIG_SYS_TEXT_BASE requires 22 * adapting the initial boot program. 23 * Since the linker has to swallow that define, we must use a pure 24 * hex number here! 25 */ 26 #define CONFIG_SYS_TEXT_BASE 0x21f00000 27 28 /* ARM asynchronous clock */ 29 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 30 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 31 32 /* Define actual evaluation board type from used processor type */ 33 #ifdef CONFIG_AT91SAM9G20 34 # define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */ 35 #else 36 # define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */ 37 #endif 38 39 /* Misc CPU related */ 40 #define CONFIG_ARCH_CPU_INIT 41 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 42 #define CONFIG_SETUP_MEMORY_TAGS 43 #define CONFIG_INITRD_TAG 44 #define CONFIG_SKIP_LOWLEVEL_INIT 45 #define CONFIG_BOARD_EARLY_INIT_F 46 #define CONFIG_DISPLAY_CPUINFO 47 48 #define CONFIG_CMD_BOOTZ 49 #define CONFIG_OF_LIBFDT 50 51 #define CONFIG_SYS_GENERIC_BOARD 52 53 /* general purpose I/O */ 54 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 55 #define CONFIG_AT91_GPIO 56 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 57 58 /* serial console */ 59 #define CONFIG_ATMEL_USART 60 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 61 #define CONFIG_USART_ID ATMEL_ID_SYS 62 #define CONFIG_BAUDRATE 115200 63 64 /* LED */ 65 #define CONFIG_AT91_LED 66 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ 67 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */ 68 69 #define CONFIG_BOOTDELAY 3 70 71 /* 72 * BOOTP options 73 */ 74 #define CONFIG_BOOTP_BOOTFILESIZE 1 75 #define CONFIG_BOOTP_BOOTPATH 1 76 #define CONFIG_BOOTP_GATEWAY 1 77 #define CONFIG_BOOTP_HOSTNAME 1 78 79 /* 80 * Command line configuration. 81 */ 82 #include <config_cmd_default.h> 83 #undef CONFIG_CMD_BDI 84 #undef CONFIG_CMD_FPGA 85 #undef CONFIG_CMD_IMI 86 #undef CONFIG_CMD_IMLS 87 #undef CONFIG_CMD_LOADS 88 #undef CONFIG_CMD_SOURCE 89 90 #define CONFIG_CMD_PING 1 91 #define CONFIG_CMD_DHCP 1 92 #define CONFIG_CMD_NAND 1 93 #define CONFIG_CMD_MMC 94 #define CONFIG_CMD_FAT 95 #define CONFIG_CMD_USB 1 96 97 /* 98 * SDRAM: 1 bank, min 32, max 128 MB 99 * Initialized before u-boot gets started. 100 */ 101 #define CONFIG_NR_DRAM_BANKS 1 102 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 103 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 104 105 /* 106 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 107 * leaving the correct space for initial global data structure above 108 * that address while providing maximum stack area below. 109 */ 110 #ifdef CONFIG_AT91SAM9XE 111 # define CONFIG_SYS_INIT_SP_ADDR \ 112 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 113 #else 114 # define CONFIG_SYS_INIT_SP_ADDR \ 115 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 116 #endif 117 118 /* 119 * The (arm)linux board id set by generic code depending on configured board 120 * (see boards.cfg for different boards) 121 */ 122 #ifdef CONFIG_AT91SAM9G20 123 /* the sam9g20 variants have two different board ids */ 124 # ifdef CONFIG_AT91SAM9G20EK_2MMC 125 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 126 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 127 # else 128 /* or the normal at91sam9g20ek */ 129 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 130 # endif 131 #else 132 /* otherwise default to good old at91sam9260ek */ 133 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 134 #endif 135 136 /* DataFlash */ 137 #ifndef CONFIG_AT91SAM9G20EK_2MMC 138 #define CONFIG_ATMEL_DATAFLASH_SPI 139 #define CONFIG_HAS_DATAFLASH 1 140 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 141 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 142 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 143 #define AT91_SPI_CLK 15000000 144 #endif 145 146 #ifdef CONFIG_AT91SAM9G20EK 147 #define DATAFLASH_TCSS (0x22 << 16) 148 #else 149 #define DATAFLASH_TCSS (0x1a << 16) 150 #endif 151 #define DATAFLASH_TCHS (0x1 << 24) 152 153 /* NAND flash */ 154 #ifdef CONFIG_CMD_NAND 155 #define CONFIG_NAND_ATMEL 156 #define CONFIG_SYS_MAX_NAND_DEVICE 1 157 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 158 #define CONFIG_SYS_NAND_DBW_8 159 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 160 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 161 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 162 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 163 #endif 164 165 /* MMC */ 166 #ifdef CONFIG_CMD_MMC 167 #define CONFIG_MMC 168 #define CONFIG_GENERIC_MMC 169 #define CONFIG_GENERIC_ATMEL_MCI 170 #endif 171 172 /* FAT */ 173 #ifdef CONFIG_CMD_FAT 174 #define CONFIG_DOS_PARTITION 175 #endif 176 177 /* NOR flash - no real flash on this board */ 178 #define CONFIG_SYS_NO_FLASH 1 179 180 /* Ethernet */ 181 #define CONFIG_MACB 1 182 #define CONFIG_RMII 1 183 #define CONFIG_NET_RETRY_COUNT 20 184 #define CONFIG_RESET_PHY_R 1 185 #define CONFIG_AT91_WANTS_COMMON_PHY 186 187 /* USB */ 188 #define CONFIG_USB_ATMEL 189 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 190 #define CONFIG_USB_OHCI_NEW 1 191 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 192 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 193 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 194 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 195 #define CONFIG_USB_STORAGE 1 196 197 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 198 199 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 200 #define CONFIG_SYS_MEMTEST_END 0x23e00000 201 202 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 203 204 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 205 #define CONFIG_ENV_IS_IN_DATAFLASH 1 206 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 207 #define CONFIG_ENV_OFFSET 0x4200 208 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 209 #define CONFIG_ENV_SIZE 0x4200 210 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 211 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 212 "root=/dev/mtdblock0 " \ 213 "mtdparts=atmel_nand:-(root) " \ 214 "rw rootfstype=jffs2" 215 216 #elif CONFIG_SYS_USE_DATAFLASH_CS1 217 218 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 219 #define CONFIG_ENV_IS_IN_DATAFLASH 1 220 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 221 #define CONFIG_ENV_OFFSET 0x4200 222 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 223 #define CONFIG_ENV_SIZE 0x4200 224 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm" 225 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 226 "root=/dev/mtdblock0 " \ 227 "mtdparts=atmel_nand:-(root) " \ 228 "rw rootfstype=jffs2" 229 230 #elif defined(CONFIG_SYS_USE_NANDFLASH) 231 232 /* bootstrap + u-boot + env + linux in nandflash */ 233 #define CONFIG_ENV_IS_IN_NAND 1 234 #define CONFIG_ENV_OFFSET 0xc0000 235 #define CONFIG_ENV_OFFSET_REDUND 0x100000 236 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 237 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 238 #define CONFIG_BOOTARGS \ 239 "console=ttyS0,115200 earlyprintk " \ 240 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 241 "256k(env),256k(env_redundant),256k(spare)," \ 242 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 243 "root=/dev/mtdblock7 rw rootfstype=jffs2" 244 245 #else /* CONFIG_SYS_USE_MMC */ 246 /* bootstrap + u-boot + env + linux in mmc */ 247 #define CONFIG_ENV_IS_IN_MMC 248 /* For FAT system, most cases it should be in the reserved sector */ 249 #define CONFIG_ENV_OFFSET 0x2000 250 #define CONFIG_ENV_SIZE 0x1000 251 #define CONFIG_SYS_MMC_ENV_DEV 0 252 253 #define CONFIG_BOOTCOMMAND \ 254 "fatload mmc 0:1 0x22000000 uImage; bootm" 255 #define CONFIG_BOOTARGS \ 256 "console=ttyS0,115200 earlyprintk " \ 257 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 258 "256k(env),256k(env_redundant),256k(spare)," \ 259 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 260 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 261 #endif 262 263 #define CONFIG_SYS_PROMPT "U-Boot> " 264 #define CONFIG_SYS_CBSIZE 256 265 #define CONFIG_SYS_MAXARGS 16 266 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 267 #define CONFIG_SYS_LONGHELP 1 268 #define CONFIG_CMDLINE_EDITING 1 269 #define CONFIG_AUTO_COMPLETE 270 271 /* 272 * Size of malloc() pool 273 */ 274 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 275 276 #endif 277