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 #ifndef CONFIG_AT91SAM9G20EK_2MMC 97 /* DataFlash */ 98 #define CONFIG_ATMEL_DATAFLASH_SPI 99 #define CONFIG_HAS_DATAFLASH 1 100 #define CONFIG_SYS_MAX_DATAFLASH_BANKS 2 101 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */ 102 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */ 103 #define AT91_SPI_CLK 15000000 104 #else 105 /* Enable MMC. The MCCK is conflicted with DataFlash */ 106 #endif 107 108 #ifdef CONFIG_AT91SAM9G20EK 109 #define DATAFLASH_TCSS (0x22 << 16) 110 #else 111 #define DATAFLASH_TCSS (0x1a << 16) 112 #endif 113 #define DATAFLASH_TCHS (0x1 << 24) 114 115 /* NAND flash */ 116 #ifdef CONFIG_CMD_NAND 117 #define CONFIG_NAND_ATMEL 118 #define CONFIG_SYS_MAX_NAND_DEVICE 1 119 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 120 #define CONFIG_SYS_NAND_DBW_8 121 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 122 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 123 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 124 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 125 #endif 126 127 /* USB */ 128 #define CONFIG_USB_ATMEL 129 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 130 #define CONFIG_USB_OHCI_NEW 1 131 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 132 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 133 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 134 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 135 136 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 137 138 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 139 #define CONFIG_SYS_MEMTEST_END 0x23e00000 140 141 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 142 143 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 144 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400) 145 #define CONFIG_ENV_OFFSET 0x4200 146 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET) 147 #define CONFIG_ENV_SIZE 0x4200 148 #define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm" 149 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 150 "root=/dev/mtdblock0 " \ 151 "mtdparts=atmel_nand:-(root) " \ 152 "rw rootfstype=jffs2" 153 154 #elif CONFIG_SYS_USE_DATAFLASH_CS1 155 156 /* bootstrap + u-boot + env + linux in dataflash on CS1 */ 157 #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400) 158 #define CONFIG_ENV_OFFSET 0x4200 159 #define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET) 160 #define CONFIG_ENV_SIZE 0x4200 161 #define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm" 162 #define CONFIG_BOOTARGS "console=ttyS0,115200 " \ 163 "root=/dev/mtdblock0 " \ 164 "mtdparts=atmel_nand:-(root) " \ 165 "rw rootfstype=jffs2" 166 167 #elif defined(CONFIG_SYS_USE_NANDFLASH) 168 169 /* bootstrap + u-boot + env + linux in nandflash */ 170 #define CONFIG_ENV_OFFSET 0x120000 171 #define CONFIG_ENV_OFFSET_REDUND 0x100000 172 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 173 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; 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/mtdblock7 rw rootfstype=jffs2" 180 181 #else /* CONFIG_SYS_USE_MMC */ 182 /* bootstrap + u-boot + env + linux in mmc */ 183 /* For FAT system, most cases it should be in the reserved sector */ 184 #define CONFIG_ENV_OFFSET 0x2000 185 #define CONFIG_ENV_SIZE 0x1000 186 #define CONFIG_SYS_MMC_ENV_DEV 0 187 188 #define CONFIG_BOOTCOMMAND \ 189 "fatload mmc 0:1 0x22000000 uImage; bootm" 190 #define CONFIG_BOOTARGS \ 191 "console=ttyS0,115200 earlyprintk " \ 192 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \ 193 "256k(env),256k(env_redundant),256k(spare)," \ 194 "512k(dtb),6M(kernel)ro,-(rootfs) " \ 195 "root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait" 196 #endif 197 198 #define CONFIG_SYS_CBSIZE 256 199 #define CONFIG_SYS_MAXARGS 16 200 #define CONFIG_SYS_LONGHELP 1 201 #define CONFIG_CMDLINE_EDITING 1 202 #define CONFIG_AUTO_COMPLETE 203 204 /* 205 * Size of malloc() pool 206 */ 207 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 208 209 #endif 210