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