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_FAT 94 #define CONFIG_CMD_USB 1 95 96 /* 97 * SDRAM: 1 bank, min 32, max 128 MB 98 * Initialized before u-boot gets started. 99 */ 100 #define CONFIG_NR_DRAM_BANKS 1 101 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 102 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 103 104 /* 105 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 106 * leaving the correct space for initial global data structure above 107 * that address while providing maximum stack area below. 108 */ 109 #ifdef CONFIG_AT91SAM9XE 110 # define CONFIG_SYS_INIT_SP_ADDR \ 111 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 112 #else 113 # define CONFIG_SYS_INIT_SP_ADDR \ 114 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 115 #endif 116 117 /* 118 * The (arm)linux board id set by generic code depending on configured board 119 * (see boards.cfg for different boards) 120 */ 121 #ifdef CONFIG_AT91SAM9G20 122 /* the sam9g20 variants have two different board ids */ 123 # ifdef CONFIG_AT91SAM9G20EK_2MMC 124 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 125 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 126 # else 127 /* or the normal at91sam9g20ek */ 128 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 129 # endif 130 #else 131 /* otherwise default to good old at91sam9260ek */ 132 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 133 #endif 134 135 #ifndef CONFIG_AT91SAM9G20EK_2MMC 136 /* DataFlash */ 137 #define CONFIG_ATMEL_DATAFLASH_SPI 138 #define CONFIG_HAS_DATAFLASH 1 139 #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 #else 144 /* Enable MMC. The MCCK is conflicted with DataFlash */ 145 #define CONFIG_CMD_MMC 146 #endif 147 148 #ifdef CONFIG_AT91SAM9G20EK 149 #define DATAFLASH_TCSS (0x22 << 16) 150 #else 151 #define DATAFLASH_TCSS (0x1a << 16) 152 #endif 153 #define DATAFLASH_TCHS (0x1 << 24) 154 155 /* NAND flash */ 156 #ifdef CONFIG_CMD_NAND 157 #define CONFIG_NAND_ATMEL 158 #define CONFIG_SYS_MAX_NAND_DEVICE 1 159 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 160 #define CONFIG_SYS_NAND_DBW_8 161 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 162 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 163 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 164 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 165 #endif 166 167 /* MMC */ 168 #ifdef CONFIG_CMD_MMC 169 #define CONFIG_MMC 170 #define CONFIG_GENERIC_MMC 171 #define CONFIG_GENERIC_ATMEL_MCI 172 #endif 173 174 /* FAT */ 175 #ifdef CONFIG_CMD_FAT 176 #define CONFIG_DOS_PARTITION 177 #endif 178 179 /* NOR flash - no real flash on this board */ 180 #define CONFIG_SYS_NO_FLASH 1 181 182 /* Ethernet */ 183 #define CONFIG_MACB 1 184 #define CONFIG_RMII 1 185 #define CONFIG_NET_RETRY_COUNT 20 186 #define CONFIG_RESET_PHY_R 1 187 #define CONFIG_AT91_WANTS_COMMON_PHY 188 189 /* USB */ 190 #define CONFIG_USB_ATMEL 191 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 192 #define CONFIG_USB_OHCI_NEW 1 193 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 194 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 195 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 196 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 197 #define CONFIG_USB_STORAGE 1 198 199 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 200 201 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 202 #define CONFIG_SYS_MEMTEST_END 0x23e00000 203 204 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 205 206 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 207 #define CONFIG_ENV_IS_IN_DATAFLASH 1 208 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 209 #define CONFIG_ENV_OFFSET 0x4200 210 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 211 #define CONFIG_ENV_SIZE 0x4200 212 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 213 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 214 "root=/dev/mtdblock0 " \ 215 "mtdparts=atmel_nand:-(root) " \ 216 "rw rootfstype=jffs2" 217 218 #elif CONFIG_SYS_USE_DATAFLASH_CS1 219 220 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 221 #define CONFIG_ENV_IS_IN_DATAFLASH 1 222 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 223 #define CONFIG_ENV_OFFSET 0x4200 224 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 225 #define CONFIG_ENV_SIZE 0x4200 226 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm" 227 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 228 "root=/dev/mtdblock0 " \ 229 "mtdparts=atmel_nand:-(root) " \ 230 "rw rootfstype=jffs2" 231 232 #elif defined(CONFIG_SYS_USE_NANDFLASH) 233 234 /* bootstrap + u-boot + env + linux in nandflash */ 235 #define CONFIG_ENV_IS_IN_NAND 1 236 #define CONFIG_ENV_OFFSET 0xc0000 237 #define CONFIG_ENV_OFFSET_REDUND 0x100000 238 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 239 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 240 #define CONFIG_BOOTARGS \ 241 "console=ttyS0,115200 earlyprintk " \ 242 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 243 "256k(env),256k(env_redundant),256k(spare)," \ 244 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 245 "root=/dev/mtdblock7 rw rootfstype=jffs2" 246 247 #else /* CONFIG_SYS_USE_MMC */ 248 /* bootstrap + u-boot + env + linux in mmc */ 249 #define CONFIG_ENV_IS_IN_MMC 250 /* For FAT system, most cases it should be in the reserved sector */ 251 #define CONFIG_ENV_OFFSET 0x2000 252 #define CONFIG_ENV_SIZE 0x1000 253 #define CONFIG_SYS_MMC_ENV_DEV 0 254 255 #define CONFIG_BOOTCOMMAND \ 256 "fatload mmc 0:1 0x22000000 uImage; bootm" 257 #define CONFIG_BOOTARGS \ 258 "console=ttyS0,115200 earlyprintk " \ 259 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 260 "256k(env),256k(env_redundant),256k(spare)," \ 261 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 262 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 263 #endif 264 265 #define CONFIG_SYS_PROMPT "U-Boot> " 266 #define CONFIG_SYS_CBSIZE 256 267 #define CONFIG_SYS_MAXARGS 16 268 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 269 #define CONFIG_SYS_LONGHELP 1 270 #define CONFIG_CMDLINE_EDITING 1 271 #define CONFIG_AUTO_COMPLETE 272 273 /* 274 * Size of malloc() pool 275 */ 276 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 277 278 #endif 279