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 /* general purpose I/O */ 49 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 50 #define CONFIG_AT91_GPIO 51 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 52 53 /* serial console */ 54 #define CONFIG_ATMEL_USART 55 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 56 #define CONFIG_USART_ID ATMEL_ID_SYS 57 #define CONFIG_BAUDRATE 115200 58 59 /* LED */ 60 #define CONFIG_AT91_LED 61 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ 62 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */ 63 64 #define CONFIG_BOOTDELAY 3 65 66 /* 67 * BOOTP options 68 */ 69 #define CONFIG_BOOTP_BOOTFILESIZE 1 70 #define CONFIG_BOOTP_BOOTPATH 1 71 #define CONFIG_BOOTP_GATEWAY 1 72 #define CONFIG_BOOTP_HOSTNAME 1 73 74 /* 75 * Command line configuration. 76 */ 77 #define CONFIG_CMD_NAND 1 78 79 /* 80 * SDRAM: 1 bank, min 32, max 128 MB 81 * Initialized before u-boot gets started. 82 */ 83 #define CONFIG_NR_DRAM_BANKS 1 84 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 85 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 86 87 /* 88 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 89 * leaving the correct space for initial global data structure above 90 * that address while providing maximum stack area below. 91 */ 92 #ifdef CONFIG_AT91SAM9XE 93 # define CONFIG_SYS_INIT_SP_ADDR \ 94 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 95 #else 96 # define CONFIG_SYS_INIT_SP_ADDR \ 97 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 98 #endif 99 100 /* 101 * The (arm)linux board id set by generic code depending on configured board 102 * (see boards.cfg for different boards) 103 */ 104 #ifdef CONFIG_AT91SAM9G20 105 /* the sam9g20 variants have two different board ids */ 106 # ifdef CONFIG_AT91SAM9G20EK_2MMC 107 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 108 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 109 # else 110 /* or the normal at91sam9g20ek */ 111 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 112 # endif 113 #else 114 /* otherwise default to good old at91sam9260ek */ 115 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 116 #endif 117 118 #ifndef CONFIG_AT91SAM9G20EK_2MMC 119 /* DataFlash */ 120 #define CONFIG_ATMEL_DATAFLASH_SPI 121 #define CONFIG_HAS_DATAFLASH 1 122 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 123 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 124 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 125 #define AT91_SPI_CLK 15000000 126 #else 127 /* Enable MMC. The MCCK is conflicted with DataFlash */ 128 #endif 129 130 #ifdef CONFIG_AT91SAM9G20EK 131 #define DATAFLASH_TCSS (0x22 << 16) 132 #else 133 #define DATAFLASH_TCSS (0x1a << 16) 134 #endif 135 #define DATAFLASH_TCHS (0x1 << 24) 136 137 /* NAND flash */ 138 #ifdef CONFIG_CMD_NAND 139 #define CONFIG_NAND_ATMEL 140 #define CONFIG_SYS_MAX_NAND_DEVICE 1 141 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 142 #define CONFIG_SYS_NAND_DBW_8 143 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 144 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 145 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 146 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 147 #endif 148 149 /* MMC */ 150 #ifdef CONFIG_CMD_MMC 151 #define CONFIG_MMC 152 #define CONFIG_GENERIC_MMC 153 #define CONFIG_GENERIC_ATMEL_MCI 154 #endif 155 156 /* FAT */ 157 #ifdef CONFIG_CMD_FAT 158 #define CONFIG_DOS_PARTITION 159 #endif 160 161 /* NOR flash - no real flash on this board */ 162 #define CONFIG_SYS_NO_FLASH 1 163 164 /* Ethernet */ 165 #define CONFIG_MACB 1 166 #define CONFIG_RMII 1 167 #define CONFIG_NET_RETRY_COUNT 20 168 #define CONFIG_RESET_PHY_R 1 169 #define CONFIG_AT91_WANTS_COMMON_PHY 170 171 /* USB */ 172 #define CONFIG_USB_ATMEL 173 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 174 #define CONFIG_USB_OHCI_NEW 1 175 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 176 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 177 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 178 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 179 #define CONFIG_USB_STORAGE 1 180 181 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 182 183 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 184 #define CONFIG_SYS_MEMTEST_END 0x23e00000 185 186 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 187 188 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 189 #define CONFIG_ENV_IS_IN_DATAFLASH 1 190 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 191 #define CONFIG_ENV_OFFSET 0x4200 192 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 193 #define CONFIG_ENV_SIZE 0x4200 194 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 195 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 196 "root=/dev/mtdblock0 " \ 197 "mtdparts=atmel_nand:-(root) " \ 198 "rw rootfstype=jffs2" 199 200 #elif CONFIG_SYS_USE_DATAFLASH_CS1 201 202 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 203 #define CONFIG_ENV_IS_IN_DATAFLASH 1 204 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 205 #define CONFIG_ENV_OFFSET 0x4200 206 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 207 #define CONFIG_ENV_SIZE 0x4200 208 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm" 209 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 210 "root=/dev/mtdblock0 " \ 211 "mtdparts=atmel_nand:-(root) " \ 212 "rw rootfstype=jffs2" 213 214 #elif defined(CONFIG_SYS_USE_NANDFLASH) 215 216 /* bootstrap + u-boot + env + linux in nandflash */ 217 #define CONFIG_ENV_IS_IN_NAND 1 218 #define CONFIG_ENV_OFFSET 0xc0000 219 #define CONFIG_ENV_OFFSET_REDUND 0x100000 220 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 221 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 222 #define CONFIG_BOOTARGS \ 223 "console=ttyS0,115200 earlyprintk " \ 224 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 225 "256k(env),256k(env_redundant),256k(spare)," \ 226 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 227 "root=/dev/mtdblock7 rw rootfstype=jffs2" 228 229 #else /* CONFIG_SYS_USE_MMC */ 230 /* bootstrap + u-boot + env + linux in mmc */ 231 #define CONFIG_ENV_IS_IN_MMC 232 /* For FAT system, most cases it should be in the reserved sector */ 233 #define CONFIG_ENV_OFFSET 0x2000 234 #define CONFIG_ENV_SIZE 0x1000 235 #define CONFIG_SYS_MMC_ENV_DEV 0 236 237 #define CONFIG_BOOTCOMMAND \ 238 "fatload mmc 0:1 0x22000000 uImage; bootm" 239 #define CONFIG_BOOTARGS \ 240 "console=ttyS0,115200 earlyprintk " \ 241 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 242 "256k(env),256k(env_redundant),256k(spare)," \ 243 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 244 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 245 #endif 246 247 #define CONFIG_SYS_CBSIZE 256 248 #define CONFIG_SYS_MAXARGS 16 249 #define CONFIG_SYS_LONGHELP 1 250 #define CONFIG_CMDLINE_EDITING 1 251 #define CONFIG_AUTO_COMPLETE 252 253 /* 254 * Size of malloc() pool 255 */ 256 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 257 258 #endif 259