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