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