1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2007-2008 4 * Stelian Pop <stelian@popies.net> 5 * Lead Tech Design <www.leadtechdesign.com> 6 * 7 * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards. 8 */ 9 10 #ifndef __CONFIG_H 11 #define __CONFIG_H 12 13 /* 14 * SoC must be defined first, before hardware.h is included. 15 * In this case SoC is defined in boards.cfg. 16 */ 17 #include <asm/hardware.h> 18 19 /* 20 * Warning: changing CONFIG_SYS_TEXT_BASE requires 21 * adapting the initial boot program. 22 * Since the linker has to swallow that define, we must use a pure 23 * hex number here! 24 */ 25 26 /* ARM asynchronous clock */ 27 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 28 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */ 29 30 /* Define actual evaluation board type from used processor type */ 31 #ifdef CONFIG_AT91SAM9G20 32 # define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */ 33 #else 34 # define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */ 35 #endif 36 37 /* Misc CPU related */ 38 #define CONFIG_ARCH_CPU_INIT 39 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 40 #define CONFIG_SETUP_MEMORY_TAGS 41 #define CONFIG_INITRD_TAG 42 #define CONFIG_SKIP_LOWLEVEL_INIT 43 44 /* general purpose I/O */ 45 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 46 47 /* 48 * BOOTP options 49 */ 50 #define CONFIG_BOOTP_BOOTFILESIZE 1 51 52 /* 53 * SDRAM: 1 bank, min 32, max 128 MB 54 * Initialized before u-boot gets started. 55 */ 56 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 57 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 58 59 /* 60 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 61 * leaving the correct space for initial global data structure above 62 * that address while providing maximum stack area below. 63 */ 64 #ifdef CONFIG_AT91SAM9XE 65 # define CONFIG_SYS_INIT_SP_ADDR \ 66 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 67 #else 68 # define CONFIG_SYS_INIT_SP_ADDR \ 69 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 70 #endif 71 72 /* 73 * The (arm)linux board id set by generic code depending on configured board 74 * (see boards.cfg for different boards) 75 */ 76 #ifdef CONFIG_AT91SAM9G20 77 /* the sam9g20 variants have two different board ids */ 78 # ifdef CONFIG_AT91SAM9G20EK_2MMC 79 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 80 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 81 # else 82 /* or the normal at91sam9g20ek */ 83 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 84 # endif 85 #else 86 /* otherwise default to good old at91sam9260ek */ 87 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 88 #endif 89 90 /* NAND flash */ 91 #ifdef CONFIG_CMD_NAND 92 #define CONFIG_SYS_MAX_NAND_DEVICE 1 93 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 94 #define CONFIG_SYS_NAND_DBW_8 95 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 96 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 97 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 98 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 99 #endif 100 101 /* USB */ 102 #define CONFIG_USB_ATMEL 103 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB 104 #define CONFIG_USB_OHCI_NEW 1 105 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1 106 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 107 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 108 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 109 110 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 111 112 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 113 #define CONFIG_SYS_MEMTEST_END 0x23e00000 114 115 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0 116 117 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 118 #define CONFIG_ENV_OFFSET 0x4200 119 #define CONFIG_ENV_SIZE 0x4200 120 #define CONFIG_ENV_SECT_SIZE 0x210 121 #define CONFIG_BOOTCOMMAND "sf probe 0:0; " \ 122 "sf read 0x22000000 0x84000 0x294000; " \ 123 "bootm 0x22000000" 124 125 #elif CONFIG_SYS_USE_DATAFLASH_CS1 126 127 #define CONFIG_ENV_OFFSET 0x4200 128 #define CONFIG_ENV_SIZE 0x4200 129 #define CONFIG_ENV_SECT_SIZE 0x210 130 #define CONFIG_BOOTCOMMAND "sf probe 0:1; " \ 131 "sf read 0x22000000 0x84000 0x294000; " \ 132 "bootm 0x22000000" 133 134 #elif defined(CONFIG_SYS_USE_NANDFLASH) 135 136 /* bootstrap + u-boot + env + linux in nandflash */ 137 #define CONFIG_ENV_OFFSET 0x140000 138 #define CONFIG_ENV_OFFSET_REDUND 0x100000 139 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 140 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 141 142 #else /* CONFIG_SYS_USE_MMC */ 143 /* bootstrap + u-boot + env + linux in mmc */ 144 /* For FAT system, most cases it should be in the reserved sector */ 145 #define CONFIG_ENV_OFFSET 0x2000 146 #define CONFIG_ENV_SIZE 0x1000 147 #define CONFIG_SYS_MMC_ENV_DEV 0 148 149 #define CONFIG_BOOTCOMMAND \ 150 "fatload mmc 0:1 0x22000000 uImage; bootm" 151 #endif 152 153 /* 154 * Size of malloc() pool 155 */ 156 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 157 158 #endif 159