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_ARCH_CPU_INIT 20 #define CONFIG_SKIP_LOWLEVEL_INIT 21 22 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 23 #define CONFIG_SETUP_MEMORY_TAGS 1 24 #define CONFIG_INITRD_TAG 1 25 26 #define CONFIG_ATMEL_LEGACY 27 28 /* 29 * Hardware drivers 30 */ 31 32 /* LCD */ 33 #define LCD_BPP LCD_COLOR8 34 #define CONFIG_LCD_LOGO 1 35 #undef LCD_TEST_PATTERN 36 #define CONFIG_LCD_INFO 1 37 #define CONFIG_LCD_INFO_BELOW_LOGO 1 38 #define CONFIG_ATMEL_LCD 1 39 #define CONFIG_ATMEL_LCD_RGB565 1 40 /* Let board_init_f handle the framebuffer allocation */ 41 #undef CONFIG_FB_ADDR 42 43 /* SDRAM */ 44 #define CONFIG_NR_DRAM_BANKS 1 45 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 46 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 47 48 #define CONFIG_SYS_INIT_SP_ADDR \ 49 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 50 51 /* NAND flash */ 52 #ifdef CONFIG_CMD_NAND 53 #define CONFIG_NAND_ATMEL 54 #define CONFIG_SYS_MAX_NAND_DEVICE 1 55 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 56 #define CONFIG_SYS_NAND_DBW_8 1 57 /* our ALE is AD21 */ 58 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 59 /* our CLE is AD22 */ 60 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 61 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 62 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 63 64 #endif 65 66 /* Ethernet - not present */ 67 68 /* USB - not supported */ 69 70 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 71 72 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 73 #define CONFIG_SYS_MEMTEST_END 0x23e00000 74 75 #ifdef CONFIG_SYS_USE_DATAFLASH 76 77 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 78 #define CONFIG_ENV_OFFSET 0x4200 79 #define CONFIG_ENV_SIZE 0x4200 80 #define CONFIG_ENV_SECT_SIZE 0x210 81 #define CONFIG_ENV_SPI_MAX_HZ 15000000 82 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 83 "sf read 0x22000000 0x84000 0x294000; " \ 84 "bootm 0x22000000" 85 86 #elif CONFIG_SYS_USE_NANDFLASH 87 88 /* bootstrap + u-boot + env + linux in nandflash */ 89 #define CONFIG_ENV_OFFSET 0x140000 90 #define CONFIG_ENV_OFFSET_REDUND 0x100000 91 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 92 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ 93 "nand read 0x21000000 0x180000 0x80000; " \ 94 "bootz 0x22000000 - 0x21000000" 95 96 #else /* CONFIG_SYS_USE_MMC */ 97 98 /* bootstrap + u-boot + env + linux in mmc */ 99 #define CONFIG_ENV_SIZE 0x4000 100 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 101 "fatload mmc 0:1 0x22000000 zImage; " \ 102 "bootz 0x22000000 - 0x21000000" 103 #endif 104 105 /* 106 * Size of malloc() pool 107 */ 108 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 109 110 #endif 111