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