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 56 /* LED */ 57 #define CONFIG_AT91_LED 58 #define CONFIG_RED_LED AT91_PIN_PA9 /* this is the power led */ 59 #define CONFIG_GREEN_LED AT91_PIN_PA6 /* this is the user led */ 60 61 62 /* 63 * BOOTP options 64 */ 65 #define CONFIG_BOOTP_BOOTFILESIZE 1 66 #define CONFIG_BOOTP_BOOTPATH 1 67 #define CONFIG_BOOTP_GATEWAY 1 68 #define CONFIG_BOOTP_HOSTNAME 1 69 70 /* 71 * Command line configuration. 72 */ 73 #define CONFIG_CMD_NAND 1 74 75 /* 76 * SDRAM: 1 bank, min 32, max 128 MB 77 * Initialized before u-boot gets started. 78 */ 79 #define CONFIG_NR_DRAM_BANKS 1 80 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 81 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 82 83 /* 84 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 85 * leaving the correct space for initial global data structure above 86 * that address while providing maximum stack area below. 87 */ 88 #ifdef CONFIG_AT91SAM9XE 89 # define CONFIG_SYS_INIT_SP_ADDR \ 90 (ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE) 91 #else 92 # define CONFIG_SYS_INIT_SP_ADDR \ 93 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE) 94 #endif 95 96 /* 97 * The (arm)linux board id set by generic code depending on configured board 98 * (see boards.cfg for different boards) 99 */ 100 #ifdef CONFIG_AT91SAM9G20 101 /* the sam9g20 variants have two different board ids */ 102 # ifdef CONFIG_AT91SAM9G20EK_2MMC 103 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 104 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 105 # else 106 /* or the normal at91sam9g20ek */ 107 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 108 # endif 109 #else 110 /* otherwise default to good old at91sam9260ek */ 111 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 112 #endif 113 114 #ifndef CONFIG_AT91SAM9G20EK_2MMC 115 /* DataFlash */ 116 #define CONFIG_ATMEL_DATAFLASH_SPI 117 #define CONFIG_HAS_DATAFLASH 1 118 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 119 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 120 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 121 #define AT91_SPI_CLK 15000000 122 #else 123 /* Enable MMC. The MCCK is conflicted with DataFlash */ 124 #endif 125 126 #ifdef CONFIG_AT91SAM9G20EK 127 #define DATAFLASH_TCSS (0x22 << 16) 128 #else 129 #define DATAFLASH_TCSS (0x1a << 16) 130 #endif 131 #define DATAFLASH_TCHS (0x1 << 24) 132 133 /* NAND flash */ 134 #ifdef CONFIG_CMD_NAND 135 #define CONFIG_NAND_ATMEL 136 #define CONFIG_SYS_MAX_NAND_DEVICE 1 137 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 138 #define CONFIG_SYS_NAND_DBW_8 139 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 140 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 141 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 142 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 143 #endif 144 145 /* MMC */ 146 #ifdef CONFIG_CMD_MMC 147 #define CONFIG_GENERIC_ATMEL_MCI 148 #endif 149 150 /* Ethernet */ 151 #define CONFIG_MACB 1 152 #define CONFIG_RMII 1 153 #define CONFIG_NET_RETRY_COUNT 20 154 #define CONFIG_RESET_PHY_R 1 155 #define CONFIG_AT91_WANTS_COMMON_PHY 156 157 /* USB */ 158 #define CONFIG_USB_ATMEL 159 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 160 #define CONFIG_USB_OHCI_NEW 1 161 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 162 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 163 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 164 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 165 166 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 167 168 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 169 #define CONFIG_SYS_MEMTEST_END 0x23e00000 170 171 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 172 173 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 174 #define CONFIG_ENV_IS_IN_DATAFLASH 1 175 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 176 #define CONFIG_ENV_OFFSET 0x4200 177 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 178 #define CONFIG_ENV_SIZE 0x4200 179 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 180 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 181 "root=/dev/mtdblock0 " \ 182 "mtdparts=atmel_nand:-(root) " \ 183 "rw rootfstype=jffs2" 184 185 #elif CONFIG_SYS_USE_DATAFLASH_CS1 186 187 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 188 #define CONFIG_ENV_IS_IN_DATAFLASH 1 189 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 190 #define CONFIG_ENV_OFFSET 0x4200 191 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 192 #define CONFIG_ENV_SIZE 0x4200 193 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm" 194 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 195 "root=/dev/mtdblock0 " \ 196 "mtdparts=atmel_nand:-(root) " \ 197 "rw rootfstype=jffs2" 198 199 #elif defined(CONFIG_SYS_USE_NANDFLASH) 200 201 /* bootstrap + u-boot + env + linux in nandflash */ 202 #define CONFIG_ENV_IS_IN_NAND 1 203 #define CONFIG_ENV_OFFSET 0xc0000 204 #define CONFIG_ENV_OFFSET_REDUND 0x100000 205 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 206 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 207 #define CONFIG_BOOTARGS \ 208 "console=ttyS0,115200 earlyprintk " \ 209 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 210 "256k(env),256k(env_redundant),256k(spare)," \ 211 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 212 "root=/dev/mtdblock7 rw rootfstype=jffs2" 213 214 #else /* CONFIG_SYS_USE_MMC */ 215 /* bootstrap + u-boot + env + linux in mmc */ 216 #define CONFIG_ENV_IS_IN_MMC 217 /* For FAT system, most cases it should be in the reserved sector */ 218 #define CONFIG_ENV_OFFSET 0x2000 219 #define CONFIG_ENV_SIZE 0x1000 220 #define CONFIG_SYS_MMC_ENV_DEV 0 221 222 #define CONFIG_BOOTCOMMAND \ 223 "fatload mmc 0:1 0x22000000 uImage; bootm" 224 #define CONFIG_BOOTARGS \ 225 "console=ttyS0,115200 earlyprintk " \ 226 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 227 "256k(env),256k(env_redundant),256k(spare)," \ 228 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 229 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 230 #endif 231 232 #define CONFIG_SYS_CBSIZE 256 233 #define CONFIG_SYS_MAXARGS 16 234 #define CONFIG_SYS_LONGHELP 1 235 #define CONFIG_CMDLINE_EDITING 1 236 #define CONFIG_AUTO_COMPLETE 237 238 /* 239 * Size of malloc() pool 240 */ 241 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 242 243 #endif 244