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 AT91SAM9RLEK board. 8 */ 9 10#ifndef __CONFIG_H 11#define __CONFIG_H 12 13#include <asm/hardware.h> 14 15/* ARM asynchronous clock */ 16#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */ 17#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* main clock xtal */ 18 19#define CONFIG_SKIP_LOWLEVEL_INIT 20 21#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 22#define CONFIG_SETUP_MEMORY_TAGS 1 23#define CONFIG_INITRD_TAG 1 24 25#define CONFIG_ATMEL_LEGACY 26 27/* 28 * Hardware drivers 29 */ 30 31/* LCD */ 32#define LCD_BPP LCD_COLOR8 33#define CONFIG_LCD_LOGO 1 34#undef LCD_TEST_PATTERN 35#define CONFIG_LCD_INFO 1 36#define CONFIG_LCD_INFO_BELOW_LOGO 1 37#define CONFIG_ATMEL_LCD 1 38#define CONFIG_ATMEL_LCD_RGB565 1 39/* Let board_init_f handle the framebuffer allocation */ 40#undef CONFIG_FB_ADDR 41 42/* SDRAM */ 43#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 44#define CONFIG_SYS_SDRAM_SIZE 0x04000000 45 46#define CONFIG_SYS_INIT_SP_ADDR \ 47 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 48 49/* NAND flash */ 50#ifdef CONFIG_CMD_NAND 51#define CONFIG_SYS_MAX_NAND_DEVICE 1 52#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 53#define CONFIG_SYS_NAND_DBW_8 1 54/* our ALE is AD21 */ 55#define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 56/* our CLE is AD22 */ 57#define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 58#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 59#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 60 61#endif 62 63/* Ethernet - not present */ 64 65/* USB - not supported */ 66 67#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 68 69#ifdef CONFIG_SYS_USE_DATAFLASH 70 71/* bootstrap + u-boot + env + linux in dataflash on CS0 */ 72#define CONFIG_BOOTCOMMAND "sf probe 0; " \ 73 "sf read 0x22000000 0x84000 0x294000; " \ 74 "bootm 0x22000000" 75 76#elif CONFIG_SYS_USE_NANDFLASH 77 78/* bootstrap + u-boot + env + linux in nandflash */ 79#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ 80 "nand read 0x21000000 0x180000 0x80000; " \ 81 "bootz 0x22000000 - 0x21000000" 82 83#else /* CONFIG_SYS_USE_MMC */ 84 85/* bootstrap + u-boot + env + linux in mmc */ 86#define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 87 "fatload mmc 0:1 0x22000000 zImage; " \ 88 "bootz 0x22000000 - 0x21000000" 89#endif 90 91/* 92 * Size of malloc() pool 93 */ 94#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 95 96#endif 97