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 50 /* general purpose I/O */ 51 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 52 #define CONFIG_AT91_GPIO 53 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 54 55 /* serial console */ 56 #define CONFIG_ATMEL_USART 57 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 58 #define CONFIG_USART_ID ATMEL_ID_SYS 59 #define CONFIG_BAUDRATE 115200 60 61 /* LED */ 62 #define CONFIG_AT91_LED 63 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ 64 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */ 65 66 #define CONFIG_BOOTDELAY 3 67 68 /* 69 * BOOTP options 70 */ 71 #define CONFIG_BOOTP_BOOTFILESIZE 1 72 #define CONFIG_BOOTP_BOOTPATH 1 73 #define CONFIG_BOOTP_GATEWAY 1 74 #define CONFIG_BOOTP_HOSTNAME 1 75 76 /* 77 * Command line configuration. 78 */ 79 #define CONFIG_CMD_PING 1 80 #define CONFIG_CMD_DHCP 1 81 #define CONFIG_CMD_NAND 1 82 #define CONFIG_CMD_FAT 83 #define CONFIG_CMD_USB 1 84 85 /* 86 * SDRAM: 1 bank, min 32, max 128 MB 87 * Initialized before u-boot gets started. 88 */ 89 #define CONFIG_NR_DRAM_BANKS 1 90 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 91 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 92 93 /* 94 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 95 * leaving the correct space for initial global data structure above 96 * that address while providing maximum stack area below. 97 */ 98 #ifdef CONFIG_AT91SAM9XE 99 # define CONFIG_SYS_INIT_SP_ADDR \ 100 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 101 #else 102 # define CONFIG_SYS_INIT_SP_ADDR \ 103 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 104 #endif 105 106 /* 107 * The (arm)linux board id set by generic code depending on configured board 108 * (see boards.cfg for different boards) 109 */ 110 #ifdef CONFIG_AT91SAM9G20 111 /* the sam9g20 variants have two different board ids */ 112 # ifdef CONFIG_AT91SAM9G20EK_2MMC 113 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 114 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 115 # else 116 /* or the normal at91sam9g20ek */ 117 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 118 # endif 119 #else 120 /* otherwise default to good old at91sam9260ek */ 121 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 122 #endif 123 124 #ifndef CONFIG_AT91SAM9G20EK_2MMC 125 /* DataFlash */ 126 #define CONFIG_ATMEL_DATAFLASH_SPI 127 #define CONFIG_HAS_DATAFLASH 1 128 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 129 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 130 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 131 #define AT91_SPI_CLK 15000000 132 #else 133 /* Enable MMC. The MCCK is conflicted with DataFlash */ 134 #define CONFIG_CMD_MMC 135 #endif 136 137 #ifdef CONFIG_AT91SAM9G20EK 138 #define DATAFLASH_TCSS (0x22 << 16) 139 #else 140 #define DATAFLASH_TCSS (0x1a << 16) 141 #endif 142 #define DATAFLASH_TCHS (0x1 << 24) 143 144 /* NAND flash */ 145 #ifdef CONFIG_CMD_NAND 146 #define CONFIG_NAND_ATMEL 147 #define CONFIG_SYS_MAX_NAND_DEVICE 1 148 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 149 #define CONFIG_SYS_NAND_DBW_8 150 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 151 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 152 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 153 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 154 #endif 155 156 /* MMC */ 157 #ifdef CONFIG_CMD_MMC 158 #define CONFIG_MMC 159 #define CONFIG_GENERIC_MMC 160 #define CONFIG_GENERIC_ATMEL_MCI 161 #endif 162 163 /* FAT */ 164 #ifdef CONFIG_CMD_FAT 165 #define CONFIG_DOS_PARTITION 166 #endif 167 168 /* NOR flash - no real flash on this board */ 169 #define CONFIG_SYS_NO_FLASH 1 170 171 /* Ethernet */ 172 #define CONFIG_MACB 1 173 #define CONFIG_RMII 1 174 #define CONFIG_NET_RETRY_COUNT 20 175 #define CONFIG_RESET_PHY_R 1 176 #define CONFIG_AT91_WANTS_COMMON_PHY 177 178 /* USB */ 179 #define CONFIG_USB_ATMEL 180 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 181 #define CONFIG_USB_OHCI_NEW 1 182 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 183 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 184 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 185 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 186 #define CONFIG_USB_STORAGE 1 187 188 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 189 190 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 191 #define CONFIG_SYS_MEMTEST_END 0x23e00000 192 193 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 194 195 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 196 #define CONFIG_ENV_IS_IN_DATAFLASH 1 197 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 198 #define CONFIG_ENV_OFFSET 0x4200 199 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 200 #define CONFIG_ENV_SIZE 0x4200 201 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 202 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 203 "root=/dev/mtdblock0 " \ 204 "mtdparts=atmel_nand:-(root) " \ 205 "rw rootfstype=jffs2" 206 207 #elif CONFIG_SYS_USE_DATAFLASH_CS1 208 209 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 210 #define CONFIG_ENV_IS_IN_DATAFLASH 1 211 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 212 #define CONFIG_ENV_OFFSET 0x4200 213 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 214 #define CONFIG_ENV_SIZE 0x4200 215 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm" 216 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 217 "root=/dev/mtdblock0 " \ 218 "mtdparts=atmel_nand:-(root) " \ 219 "rw rootfstype=jffs2" 220 221 #elif defined(CONFIG_SYS_USE_NANDFLASH) 222 223 /* bootstrap + u-boot + env + linux in nandflash */ 224 #define CONFIG_ENV_IS_IN_NAND 1 225 #define CONFIG_ENV_OFFSET 0xc0000 226 #define CONFIG_ENV_OFFSET_REDUND 0x100000 227 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 228 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 229 #define CONFIG_BOOTARGS \ 230 "console=ttyS0,115200 earlyprintk " \ 231 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 232 "256k(env),256k(env_redundant),256k(spare)," \ 233 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 234 "root=/dev/mtdblock7 rw rootfstype=jffs2" 235 236 #else /* CONFIG_SYS_USE_MMC */ 237 /* bootstrap + u-boot + env + linux in mmc */ 238 #define CONFIG_ENV_IS_IN_MMC 239 /* For FAT system, most cases it should be in the reserved sector */ 240 #define CONFIG_ENV_OFFSET 0x2000 241 #define CONFIG_ENV_SIZE 0x1000 242 #define CONFIG_SYS_MMC_ENV_DEV 0 243 244 #define CONFIG_BOOTCOMMAND \ 245 "fatload mmc 0:1 0x22000000 uImage; bootm" 246 #define CONFIG_BOOTARGS \ 247 "console=ttyS0,115200 earlyprintk " \ 248 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 249 "256k(env),256k(env_redundant),256k(spare)," \ 250 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 251 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 252 #endif 253 254 #define CONFIG_SYS_CBSIZE 256 255 #define CONFIG_SYS_MAXARGS 16 256 #define CONFIG_SYS_LONGHELP 1 257 #define CONFIG_CMDLINE_EDITING 1 258 #define CONFIG_AUTO_COMPLETE 259 260 /* 261 * Size of malloc() pool 262 */ 263 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 264 265 #endif 266