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_CMDLINE_TAG /* enable passing of ATAGs */ 39#define CONFIG_SETUP_MEMORY_TAGS 40#define CONFIG_INITRD_TAG 41#define CONFIG_SKIP_LOWLEVEL_INIT 42 43/* general purpose I/O */ 44#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 45 46/* 47 * BOOTP options 48 */ 49#define CONFIG_BOOTP_BOOTFILESIZE 1 50 51/* 52 * SDRAM: 1 bank, min 32, max 128 MB 53 * Initialized before u-boot gets started. 54 */ 55#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 56#define CONFIG_SYS_SDRAM_SIZE 0x04000000 57 58/* 59 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM, 60 * leaving the correct space for initial global data structure above 61 * that address while providing maximum stack area below. 62 */ 63#ifdef CONFIG_AT91SAM9XE 64# define CONFIG_SYS_INIT_SP_ADDR \ 65 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 66#else 67# define CONFIG_SYS_INIT_SP_ADDR \ 68 (ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 69#endif 70 71/* 72 * The (arm)linux board id set by generic code depending on configured board 73 * (see boards.cfg for different boards) 74 */ 75#ifdef CONFIG_AT91SAM9G20 76 /* the sam9g20 variants have two different board ids */ 77# ifdef CONFIG_AT91SAM9G20EK_2MMC 78 /* we may be setup for the 2MMC variant of at91sam9g20ek */ 79# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC 80# else 81 /* or the normal at91sam9g20ek */ 82# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK 83# endif 84#else 85 /* otherwise default to good old at91sam9260ek */ 86# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK 87#endif 88 89/* NAND flash */ 90#ifdef CONFIG_CMD_NAND 91#define CONFIG_SYS_MAX_NAND_DEVICE 1 92#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 93#define CONFIG_SYS_NAND_DBW_8 94#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 95#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 96#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 97#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 98#endif 99 100/* USB */ 101#define CONFIG_USB_ATMEL 102#define CONFIG_USB_ATMEL_CLK_SEL_PLLB 103#define CONFIG_USB_OHCI_NEW 1 104#define CONFIG_SYS_USB_OHCI_CPU_INIT 1 105#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */ 106#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" 107#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 108 109#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 110 111#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 112#define CONFIG_SYS_MEMTEST_END 0x23e00000 113 114#ifdef CONFIG_SYS_USE_DATAFLASH_CS0 115 116/* bootstrap + u-boot + env + linux in dataflash on CS0 */ 117#define CONFIG_BOOTCOMMAND "sf probe 0:0; " \ 118 "sf read 0x22000000 0x84000 0x294000; " \ 119 "bootm 0x22000000" 120 121#elif CONFIG_SYS_USE_DATAFLASH_CS1 122 123#define CONFIG_BOOTCOMMAND "sf probe 0:1; " \ 124 "sf read 0x22000000 0x84000 0x294000; " \ 125 "bootm 0x22000000" 126 127#elif defined(CONFIG_SYS_USE_NANDFLASH) 128 129/* bootstrap + u-boot + env + linux in nandflash */ 130#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm" 131 132#else /* CONFIG_SYS_USE_MMC */ 133/* bootstrap + u-boot + env + linux in mmc */ 134/* For FAT system, most cases it should be in the reserved sector */ 135#define CONFIG_SYS_MMC_ENV_DEV 0 136 137#define CONFIG_BOOTCOMMAND \ 138 "fatload mmc 0:1 0x22000000 uImage; bootm" 139#endif 140 141/* 142 * Size of malloc() pool 143 */ 144#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 145 146#endif 147