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 * Command line configuration. 59 */ 60 #define CONFIG_CMD_NAND 1 61 62 /* 63 * SDRAM: 1 bank, min 32, max 128 MB 64 * Initialized before u-boot gets started. 65 */ 66 #define CONFIG_NR_DRAM_BANKS 1 67 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 68 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 69 70 /* 71 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 72 * leaving the correct space for initial global data structure above 73 * that address while providing maximum stack area below. 74 */ 75 #ifdef CONFIG_AT91SAM9XE 76 # define CONFIG_SYS_INIT_SP_ADDR \ 77 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 78 #else 79 # define CONFIG_SYS_INIT_SP_ADDR \ 80 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 81 #endif 82 83 /* 84 * The (arm)linux board id set by generic code depending on configured board 85 * (see boards.cfg for different boards) 86 */ 87 #ifdef CONFIG_AT91SAM9G20 88 /* the sam9g20 variants have two different board ids */ 89 # ifdef CONFIG_AT91SAM9G20EK_2MMC 90 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 91 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 92 # else 93 /* or the normal at91sam9g20ek */ 94 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 95 # endif 96 #else 97 /* otherwise default to good old at91sam9260ek */ 98 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 99 #endif 100 101 #ifndef CONFIG_AT91SAM9G20EK_2MMC 102 /* DataFlash */ 103 #define CONFIG_ATMEL_DATAFLASH_SPI 104 #define CONFIG_HAS_DATAFLASH 1 105 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 106 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 107 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 108 #define AT91_SPI_CLK 15000000 109 #else 110 /* Enable MMC. The MCCK is conflicted with DataFlash */ 111 #endif 112 113 #ifdef CONFIG_AT91SAM9G20EK 114 #define DATAFLASH_TCSS (0x22 << 16) 115 #else 116 #define DATAFLASH_TCSS (0x1a << 16) 117 #endif 118 #define DATAFLASH_TCHS (0x1 << 24) 119 120 /* NAND flash */ 121 #ifdef CONFIG_CMD_NAND 122 #define CONFIG_NAND_ATMEL 123 #define CONFIG_SYS_MAX_NAND_DEVICE 1 124 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 125 #define CONFIG_SYS_NAND_DBW_8 126 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 127 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 128 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 129 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 130 #endif 131 132 /* USB */ 133 #define CONFIG_USB_ATMEL 134 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 135 #define CONFIG_USB_OHCI_NEW 1 136 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 137 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 138 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 139 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 140 141 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 142 143 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 144 #define CONFIG_SYS_MEMTEST_END 0x23e00000 145 146 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 147 148 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 149 #define CONFIG_ENV_IS_IN_DATAFLASH 1 150 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 151 #define CONFIG_ENV_OFFSET 0x4200 152 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 153 #define CONFIG_ENV_SIZE 0x4200 154 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 155 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 156 "root=/dev/mtdblock0 " \ 157 "mtdparts=atmel_nand:-(root) " \ 158 "rw rootfstype=jffs2" 159 160 #elif CONFIG_SYS_USE_DATAFLASH_CS1 161 162 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 163 #define CONFIG_ENV_IS_IN_DATAFLASH 1 164 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 165 #define CONFIG_ENV_OFFSET 0x4200 166 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 167 #define CONFIG_ENV_SIZE 0x4200 168 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm" 169 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 170 "root=/dev/mtdblock0 " \ 171 "mtdparts=atmel_nand:-(root) " \ 172 "rw rootfstype=jffs2" 173 174 #elif defined(CONFIG_SYS_USE_NANDFLASH) 175 176 /* bootstrap + u-boot + env + linux in nandflash */ 177 #define CONFIG_ENV_IS_IN_NAND 1 178 #define CONFIG_ENV_OFFSET 0x120000 179 #define CONFIG_ENV_OFFSET_REDUND 0x100000 180 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 181 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 182 #define CONFIG_BOOTARGS \ 183 "console=ttyS0,115200 earlyprintk " \ 184 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 185 "256k(env),256k(env_redundant),256k(spare)," \ 186 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 187 "root=/dev/mtdblock7 rw rootfstype=jffs2" 188 189 #else /* CONFIG_SYS_USE_MMC */ 190 /* bootstrap + u-boot + env + linux in mmc */ 191 #define CONFIG_ENV_IS_IN_MMC 192 /* For FAT system, most cases it should be in the reserved sector */ 193 #define CONFIG_ENV_OFFSET 0x2000 194 #define CONFIG_ENV_SIZE 0x1000 195 #define CONFIG_SYS_MMC_ENV_DEV 0 196 197 #define CONFIG_BOOTCOMMAND \ 198 "fatload mmc 0:1 0x22000000 uImage; bootm" 199 #define CONFIG_BOOTARGS \ 200 "console=ttyS0,115200 earlyprintk " \ 201 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 202 "256k(env),256k(env_redundant),256k(spare)," \ 203 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 204 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 205 #endif 206 207 #define CONFIG_SYS_CBSIZE 256 208 #define CONFIG_SYS_MAXARGS 16 209 #define CONFIG_SYS_LONGHELP 1 210 #define CONFIG_CMDLINE_EDITING 1 211 #define CONFIG_AUTO_COMPLETE 212 213 /* 214 * Size of malloc() pool 215 */ 216 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 217 218 #endif 219