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_AT91SAM9RLEK 1 /* It's an AT91SAM9RLEK Board */ 21 22 #define CONFIG_ARCH_CPU_INIT 23 #define CONFIG_SKIP_LOWLEVEL_INIT 24 25 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 26 #define CONFIG_SETUP_MEMORY_TAGS 1 27 #define CONFIG_INITRD_TAG 1 28 29 #define CONFIG_ATMEL_LEGACY 30 31 /* 32 * Hardware drivers 33 */ 34 35 /* LCD */ 36 #define LCD_BPP LCD_COLOR8 37 #define CONFIG_LCD_LOGO 1 38 #undef LCD_TEST_PATTERN 39 #define CONFIG_LCD_INFO 1 40 #define CONFIG_LCD_INFO_BELOW_LOGO 1 41 #define CONFIG_ATMEL_LCD 1 42 #define CONFIG_ATMEL_LCD_RGB565 1 43 /* Let board_init_f handle the framebuffer allocation */ 44 #undef CONFIG_FB_ADDR 45 46 /* SDRAM */ 47 #define CONFIG_NR_DRAM_BANKS 1 48 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 49 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 50 51 #define CONFIG_SYS_INIT_SP_ADDR \ 52 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 53 54 /* NAND flash */ 55 #ifdef CONFIG_CMD_NAND 56 #define CONFIG_NAND_ATMEL 57 #define CONFIG_SYS_MAX_NAND_DEVICE 1 58 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 59 #define CONFIG_SYS_NAND_DBW_8 1 60 /* our ALE is AD21 */ 61 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 62 /* our CLE is AD22 */ 63 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 64 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 65 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 66 67 #endif 68 69 /* Ethernet - not present */ 70 71 /* USB - not supported */ 72 73 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 74 75 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 76 #define CONFIG_SYS_MEMTEST_END 0x23e00000 77 78 #ifdef CONFIG_SYS_USE_DATAFLASH 79 80 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 81 #define CONFIG_ENV_OFFSET 0x4200 82 #define CONFIG_ENV_SIZE 0x4200 83 #define CONFIG_ENV_SECT_SIZE 0x210 84 #define CONFIG_ENV_SPI_MAX_HZ 15000000 85 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 86 "sf read 0x22000000 0x84000 0x294000; " \ 87 "bootm 0x22000000" 88 89 #elif CONFIG_SYS_USE_NANDFLASH 90 91 /* bootstrap + u-boot + env + linux in nandflash */ 92 #define CONFIG_ENV_OFFSET 0x120000 93 #define CONFIG_ENV_OFFSET_REDUND 0x100000 94 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 95 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ 96 "nand read 0x21000000 0x180000 0x80000; " \ 97 "bootz 0x22000000 - 0x21000000" 98 99 #else /* CONFIG_SYS_USE_MMC */ 100 101 /* bootstrap + u-boot + env + linux in mmc */ 102 #define CONFIG_ENV_SIZE 0x4000 103 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 104 "fatload mmc 0:1 0x22000000 zImage; " \ 105 "bootz 0x22000000 - 0x21000000" 106 #endif 107 108 #define CONFIG_SYS_LONGHELP 1 109 #define CONFIG_CMDLINE_EDITING 1 110 #define CONFIG_AUTO_COMPLETE 111 112 /* 113 * Size of malloc() pool 114 */ 115 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 116 117 #endif 118