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