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