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