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 AT91SAM9RLEK board. 7 * 8 * SPDX-License-Identifier: GPL-2.0+ 9 */ 10 11#ifndef __CONFIG_H 12#define __CONFIG_H 13 14#include <asm/hardware.h> 15 16#define CONFIG_SYS_TEXT_BASE 0x21F00000 17 18/* ARM asynchronous clock */ 19#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 20#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* main clock xtal */ 21 22#define CONFIG_AT91SAM9RLEK 1 /* It's an AT91SAM9RLEK Board */ 23 24#define CONFIG_ARCH_CPU_INIT 25#define CONFIG_SKIP_LOWLEVEL_INIT 26 27#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 28#define CONFIG_SETUP_MEMORY_TAGS 1 29#define CONFIG_INITRD_TAG 1 30 31#define CONFIG_ATMEL_LEGACY 32 33/* 34 * Hardware drivers 35 */ 36 37/* LCD */ 38#define LCD_BPP LCD_COLOR8 39#define CONFIG_LCD_LOGO 1 40#undef LCD_TEST_PATTERN 41#define CONFIG_LCD_INFO 1 42#define CONFIG_LCD_INFO_BELOW_LOGO 1 43#define CONFIG_ATMEL_LCD 1 44#define CONFIG_ATMEL_LCD_RGB565 1 45/* Let board_init_f handle the framebuffer allocation */ 46#undef CONFIG_FB_ADDR 47 48/* SDRAM */ 49#define CONFIG_NR_DRAM_BANKS 1 50#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 51#define CONFIG_SYS_SDRAM_SIZE 0x04000000 52 53#define CONFIG_SYS_INIT_SP_ADDR \ 54 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 55 56/* NAND flash */ 57#ifdef CONFIG_CMD_NAND 58#define CONFIG_NAND_ATMEL 59#define CONFIG_SYS_MAX_NAND_DEVICE 1 60#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 61#define CONFIG_SYS_NAND_DBW_8 1 62/* our ALE is AD21 */ 63#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 64/* our CLE is AD22 */ 65#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 66#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 67#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 68 69#endif 70 71/* Ethernet - not present */ 72 73/* USB - not supported */ 74 75#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 76 77#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 78#define CONFIG_SYS_MEMTEST_END 0x23e00000 79 80#ifdef CONFIG_SYS_USE_DATAFLASH 81 82/* bootstrap + u-boot + env + linux in dataflash on CS0 */ 83#define CONFIG_ENV_OFFSET 0x4200 84#define CONFIG_ENV_SIZE 0x4200 85#define CONFIG_ENV_SECT_SIZE 0x210 86#define CONFIG_ENV_SPI_MAX_HZ 15000000 87#define CONFIG_BOOTCOMMAND "sf probe 0; " \ 88 "sf read 0x22000000 0x84000 0x294000; " \ 89 "bootm 0x22000000" 90 91#elif CONFIG_SYS_USE_NANDFLASH 92 93/* bootstrap + u-boot + env + linux in nandflash */ 94#define CONFIG_ENV_OFFSET 0x120000 95#define CONFIG_ENV_OFFSET_REDUND 0x100000 96#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 97#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ 98 "nand read 0x21000000 0x180000 0x80000; " \ 99 "bootz 0x22000000 - 0x21000000" 100 101#else /* CONFIG_SYS_USE_MMC */ 102 103/* bootstrap + u-boot + env + linux in mmc */ 104#define CONFIG_ENV_SIZE 0x4000 105#define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 106 "fatload mmc 0:1 0x22000000 zImage; " \ 107 "bootz 0x22000000 - 0x21000000" 108#endif 109 110#define CONFIG_SYS_LONGHELP 1 111#define CONFIG_CMDLINE_EDITING 1 112#define CONFIG_AUTO_COMPLETE 113 114/* 115 * Size of malloc() pool 116 */ 117#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 118 119#endif 120