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 49 /* 50 * BOOTP options 51 */ 52 #define CONFIG_BOOTP_BOOTFILESIZE 1 53 #define CONFIG_BOOTP_BOOTPATH 1 54 #define CONFIG_BOOTP_GATEWAY 1 55 #define CONFIG_BOOTP_HOSTNAME 1 56 57 /* 58 * SDRAM: 1 bank, min 32, max 128 MB 59 * Initialized before u-boot gets started. 60 */ 61 #define CONFIG_NR_DRAM_BANKS 1 62 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 63 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 64 65 /* 66 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 67 * leaving the correct space for initial global data structure above 68 * that address while providing maximum stack area below. 69 */ 70 #ifdef CONFIG_AT91SAM9XE 71 # define CONFIG_SYS_INIT_SP_ADDR \ 72 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 73 #else 74 # define CONFIG_SYS_INIT_SP_ADDR \ 75 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 76 #endif 77 78 /* 79 * The (arm)linux board id set by generic code depending on configured board 80 * (see boards.cfg for different boards) 81 */ 82 #ifdef CONFIG_AT91SAM9G20 83 /* the sam9g20 variants have two different board ids */ 84 # ifdef CONFIG_AT91SAM9G20EK_2MMC 85 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 86 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 87 # else 88 /* or the normal at91sam9g20ek */ 89 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 90 # endif 91 #else 92 /* otherwise default to good old at91sam9260ek */ 93 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 94 #endif 95 96 /* NAND flash */ 97 #ifdef CONFIG_CMD_NAND 98 #define CONFIG_NAND_ATMEL 99 #define CONFIG_SYS_MAX_NAND_DEVICE 1 100 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 101 #define CONFIG_SYS_NAND_DBW_8 102 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 103 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 104 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 105 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 106 #endif 107 108 /* USB */ 109 #define CONFIG_USB_ATMEL 110 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 111 #define CONFIG_USB_OHCI_NEW 1 112 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 113 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 114 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 115 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 116 117 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 118 119 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 120 #define CONFIG_SYS_MEMTEST_END 0x23e00000 121 122 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 123 124 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 125 #define CONFIG_ENV_OFFSET 0x4200 126 #define CONFIG_ENV_SIZE 0x4200 127 #define CONFIG_ENV_SECT_SIZE 0x210 128 #define CONFIG_ENV_SPI_MAX_HZ 15000000 129 #define CONFIG_BOOTCOMMAND "sf probe 0:0; " \ 130 "sf read 0x22000000 0x84000 0x294000; " \ 131 "bootm 0x22000000" 132 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 133 "root=/dev/mtdblock0 " \ 134 "mtdparts=atmel_nand:-(root) " \ 135 "rw rootfstype=jffs2" 136 137 #elif CONFIG_SYS_USE_DATAFLASH_CS1 138 139 #define CONFIG_ENV_OFFSET 0x4200 140 #define CONFIG_ENV_SIZE 0x4200 141 #define CONFIG_ENV_SECT_SIZE 0x210 142 #define CONFIG_ENV_SPI_MAX_HZ 15000000 143 #define CONFIG_BOOTCOMMAND "sf probe 0:1; " \ 144 "sf read 0x22000000 0x84000 0x294000; " \ 145 "bootm 0x22000000" 146 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 147 "root=/dev/mtdblock0 " \ 148 "mtdparts=atmel_nand:-(root) " \ 149 "rw rootfstype=jffs2" 150 151 #elif defined(CONFIG_SYS_USE_NANDFLASH) 152 153 /* bootstrap + u-boot + env + linux in nandflash */ 154 #define CONFIG_ENV_OFFSET 0x120000 155 #define CONFIG_ENV_OFFSET_REDUND 0x100000 156 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 157 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 158 #define CONFIG_BOOTARGS \ 159 "console=ttyS0,115200 earlyprintk " \ 160 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 161 "256k(env),256k(env_redundant),256k(spare)," \ 162 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 163 "root=/dev/mtdblock7 rw rootfstype=jffs2" 164 165 #else /* CONFIG_SYS_USE_MMC */ 166 /* bootstrap + u-boot + env + linux in mmc */ 167 /* For FAT system, most cases it should be in the reserved sector */ 168 #define CONFIG_ENV_OFFSET 0x2000 169 #define CONFIG_ENV_SIZE 0x1000 170 #define CONFIG_SYS_MMC_ENV_DEV 0 171 172 #define CONFIG_BOOTCOMMAND \ 173 "fatload mmc 0:1 0x22000000 uImage; bootm" 174 #define CONFIG_BOOTARGS \ 175 "console=ttyS0,115200 earlyprintk " \ 176 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 177 "256k(env),256k(env_redundant),256k(spare)," \ 178 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 179 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 180 #endif 181 182 #define CONFIG_SYS_CBSIZE 256 183 #define CONFIG_SYS_MAXARGS 16 184 #define CONFIG_SYS_LONGHELP 1 185 #define CONFIG_CMDLINE_EDITING 1 186 #define CONFIG_AUTO_COMPLETE 187 188 /* 189 * Size of malloc() pool 190 */ 191 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 192 193 #endif 194