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_GENERIC_MMC 150 #define CONFIG_GENERIC_ATMEL_MCI 151 #endif 152 153 /* FAT */ 154 #ifdef CONFIG_CMD_FAT 155 #define CONFIG_DOS_PARTITION 156 #endif 157 158 /* NOR flash - no real flash on this board */ 159 #define CONFIG_SYS_NO_FLASH 1 160 161 /* Ethernet */ 162 #define CONFIG_MACB 1 163 #define CONFIG_RMII 1 164 #define CONFIG_NET_RETRY_COUNT 20 165 #define CONFIG_RESET_PHY_R 1 166 #define CONFIG_AT91_WANTS_COMMON_PHY 167 168 /* USB */ 169 #define CONFIG_USB_ATMEL 170 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 171 #define CONFIG_USB_OHCI_NEW 1 172 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 173 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 174 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 175 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 176 177 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 178 179 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 180 #define CONFIG_SYS_MEMTEST_END 0x23e00000 181 182 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 183 184 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 185 #define CONFIG_ENV_IS_IN_DATAFLASH 1 186 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 187 #define CONFIG_ENV_OFFSET 0x4200 188 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 189 #define CONFIG_ENV_SIZE 0x4200 190 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 191 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 192 "root=/dev/mtdblock0 " \ 193 "mtdparts=atmel_nand:-(root) " \ 194 "rw rootfstype=jffs2" 195 196 #elif CONFIG_SYS_USE_DATAFLASH_CS1 197 198 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 199 #define CONFIG_ENV_IS_IN_DATAFLASH 1 200 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 201 #define CONFIG_ENV_OFFSET 0x4200 202 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 203 #define CONFIG_ENV_SIZE 0x4200 204 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 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 defined(CONFIG_SYS_USE_NANDFLASH) 211 212 /* bootstrap + u-boot + env + linux in nandflash */ 213 #define CONFIG_ENV_IS_IN_NAND 1 214 #define CONFIG_ENV_OFFSET 0xc0000 215 #define CONFIG_ENV_OFFSET_REDUND 0x100000 216 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 217 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 218 #define CONFIG_BOOTARGS \ 219 "console=ttyS0,115200 earlyprintk " \ 220 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 221 "256k(env),256k(env_redundant),256k(spare)," \ 222 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 223 "root=/dev/mtdblock7 rw rootfstype=jffs2" 224 225 #else /* CONFIG_SYS_USE_MMC */ 226 /* bootstrap + u-boot + env + linux in mmc */ 227 #define CONFIG_ENV_IS_IN_MMC 228 /* For FAT system, most cases it should be in the reserved sector */ 229 #define CONFIG_ENV_OFFSET 0x2000 230 #define CONFIG_ENV_SIZE 0x1000 231 #define CONFIG_SYS_MMC_ENV_DEV 0 232 233 #define CONFIG_BOOTCOMMAND \ 234 "fatload mmc 0:1 0x22000000 uImage; bootm" 235 #define CONFIG_BOOTARGS \ 236 "console=ttyS0,115200 earlyprintk " \ 237 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 238 "256k(env),256k(env_redundant),256k(spare)," \ 239 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 240 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 241 #endif 242 243 #define CONFIG_SYS_CBSIZE 256 244 #define CONFIG_SYS_MAXARGS 16 245 #define CONFIG_SYS_LONGHELP 1 246 #define CONFIG_CMDLINE_EDITING 1 247 #define CONFIG_AUTO_COMPLETE 248 249 /* 250 * Size of malloc() pool 251 */ 252 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 253 254 #endif 255