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 47 /* general purpose I/O */ 48 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 49 #define CONFIG_AT91_GPIO 50 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 51 52 /* serial console */ 53 #define CONFIG_ATMEL_USART 54 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 55 #define CONFIG_USART_ID ATMEL_ID_SYS 56 #define CONFIG_BAUDRATE 115200 57 58 /* LED */ 59 #define CONFIG_AT91_LED 60 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ 61 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */ 62 63 64 /* 65 * BOOTP options 66 */ 67 #define CONFIG_BOOTP_BOOTFILESIZE 1 68 #define CONFIG_BOOTP_BOOTPATH 1 69 #define CONFIG_BOOTP_GATEWAY 1 70 #define CONFIG_BOOTP_HOSTNAME 1 71 72 /* 73 * Command line configuration. 74 */ 75 #define CONFIG_CMD_NAND 1 76 77 /* 78 * SDRAM: 1 bank, min 32, max 128 MB 79 * Initialized before u-boot gets started. 80 */ 81 #define CONFIG_NR_DRAM_BANKS 1 82 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 83 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 84 85 /* 86 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 87 * leaving the correct space for initial global data structure above 88 * that address while providing maximum stack area below. 89 */ 90 #ifdef CONFIG_AT91SAM9XE 91 # define CONFIG_SYS_INIT_SP_ADDR \ 92 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 93 #else 94 # define CONFIG_SYS_INIT_SP_ADDR \ 95 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 96 #endif 97 98 /* 99 * The (arm)linux board id set by generic code depending on configured board 100 * (see boards.cfg for different boards) 101 */ 102 #ifdef CONFIG_AT91SAM9G20 103 /* the sam9g20 variants have two different board ids */ 104 # ifdef CONFIG_AT91SAM9G20EK_2MMC 105 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 106 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 107 # else 108 /* or the normal at91sam9g20ek */ 109 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 110 # endif 111 #else 112 /* otherwise default to good old at91sam9260ek */ 113 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 114 #endif 115 116 #ifndef CONFIG_AT91SAM9G20EK_2MMC 117 /* DataFlash */ 118 #define CONFIG_ATMEL_DATAFLASH_SPI 119 #define CONFIG_HAS_DATAFLASH 1 120 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 121 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 122 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 123 #define AT91_SPI_CLK 15000000 124 #else 125 /* Enable MMC. The MCCK is conflicted with DataFlash */ 126 #endif 127 128 #ifdef CONFIG_AT91SAM9G20EK 129 #define DATAFLASH_TCSS (0x22 << 16) 130 #else 131 #define DATAFLASH_TCSS (0x1a << 16) 132 #endif 133 #define DATAFLASH_TCHS (0x1 << 24) 134 135 /* NAND flash */ 136 #ifdef CONFIG_CMD_NAND 137 #define CONFIG_NAND_ATMEL 138 #define CONFIG_SYS_MAX_NAND_DEVICE 1 139 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 140 #define CONFIG_SYS_NAND_DBW_8 141 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 142 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 143 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 144 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 145 #endif 146 147 /* MMC */ 148 #ifdef CONFIG_CMD_MMC 149 #define CONFIG_MMC 150 #define CONFIG_GENERIC_MMC 151 #define CONFIG_GENERIC_ATMEL_MCI 152 #endif 153 154 /* FAT */ 155 #ifdef CONFIG_CMD_FAT 156 #define CONFIG_DOS_PARTITION 157 #endif 158 159 /* NOR flash - no real flash on this board */ 160 #define CONFIG_SYS_NO_FLASH 1 161 162 /* Ethernet */ 163 #define CONFIG_MACB 1 164 #define CONFIG_RMII 1 165 #define CONFIG_NET_RETRY_COUNT 20 166 #define CONFIG_RESET_PHY_R 1 167 #define CONFIG_AT91_WANTS_COMMON_PHY 168 169 /* USB */ 170 #define CONFIG_USB_ATMEL 171 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 172 #define CONFIG_USB_OHCI_NEW 1 173 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 174 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 175 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 176 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 177 178 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 179 180 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 181 #define CONFIG_SYS_MEMTEST_END 0x23e00000 182 183 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 184 185 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 186 #define CONFIG_ENV_IS_IN_DATAFLASH 1 187 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 188 #define CONFIG_ENV_OFFSET 0x4200 189 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 190 #define CONFIG_ENV_SIZE 0x4200 191 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 192 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 193 "root=/dev/mtdblock0 " \ 194 "mtdparts=atmel_nand:-(root) " \ 195 "rw rootfstype=jffs2" 196 197 #elif CONFIG_SYS_USE_DATAFLASH_CS1 198 199 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 200 #define CONFIG_ENV_IS_IN_DATAFLASH 1 201 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 202 #define CONFIG_ENV_OFFSET 0x4200 203 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 204 #define CONFIG_ENV_SIZE 0x4200 205 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm" 206 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 207 "root=/dev/mtdblock0 " \ 208 "mtdparts=atmel_nand:-(root) " \ 209 "rw rootfstype=jffs2" 210 211 #elif defined(CONFIG_SYS_USE_NANDFLASH) 212 213 /* bootstrap + u-boot + env + linux in nandflash */ 214 #define CONFIG_ENV_IS_IN_NAND 1 215 #define CONFIG_ENV_OFFSET 0xc0000 216 #define CONFIG_ENV_OFFSET_REDUND 0x100000 217 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 218 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 219 #define CONFIG_BOOTARGS \ 220 "console=ttyS0,115200 earlyprintk " \ 221 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 222 "256k(env),256k(env_redundant),256k(spare)," \ 223 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 224 "root=/dev/mtdblock7 rw rootfstype=jffs2" 225 226 #else /* CONFIG_SYS_USE_MMC */ 227 /* bootstrap + u-boot + env + linux in mmc */ 228 #define CONFIG_ENV_IS_IN_MMC 229 /* For FAT system, most cases it should be in the reserved sector */ 230 #define CONFIG_ENV_OFFSET 0x2000 231 #define CONFIG_ENV_SIZE 0x1000 232 #define CONFIG_SYS_MMC_ENV_DEV 0 233 234 #define CONFIG_BOOTCOMMAND \ 235 "fatload mmc 0:1 0x22000000 uImage; bootm" 236 #define CONFIG_BOOTARGS \ 237 "console=ttyS0,115200 earlyprintk " \ 238 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 239 "256k(env),256k(env_redundant),256k(spare)," \ 240 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 241 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 242 #endif 243 244 #define CONFIG_SYS_CBSIZE 256 245 #define CONFIG_SYS_MAXARGS 16 246 #define CONFIG_SYS_LONGHELP 1 247 #define CONFIG_CMDLINE_EDITING 1 248 #define CONFIG_AUTO_COMPLETE 249 250 /* 251 * Size of malloc() pool 252 */ 253 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 254 255 #endif 256