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_SYS_SDRAM_BASE ATMEL_BASE_CS1 45 #define CONFIG_SYS_SDRAM_SIZE 0x04000000 46 47 #define CONFIG_SYS_INIT_SP_ADDR \ 48 (ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE) 49 50 /* NAND flash */ 51 #ifdef CONFIG_CMD_NAND 52 #define CONFIG_SYS_MAX_NAND_DEVICE 1 53 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 54 #define CONFIG_SYS_NAND_DBW_8 1 55 /* our ALE is AD21 */ 56 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 57 /* our CLE is AD22 */ 58 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 59 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PB6 60 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD17 61 62 #endif 63 64 /* Ethernet - not present */ 65 66 /* USB - not supported */ 67 68 #define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ 69 70 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE 71 #define CONFIG_SYS_MEMTEST_END 0x23e00000 72 73 #ifdef CONFIG_SYS_USE_DATAFLASH 74 75 /* bootstrap + u-boot + env + linux in dataflash on CS0 */ 76 #define CONFIG_ENV_OFFSET 0x4200 77 #define CONFIG_ENV_SIZE 0x4200 78 #define CONFIG_ENV_SECT_SIZE 0x210 79 #define CONFIG_ENV_SPI_MAX_HZ 15000000 80 #define CONFIG_BOOTCOMMAND "sf probe 0; " \ 81 "sf read 0x22000000 0x84000 0x294000; " \ 82 "bootm 0x22000000" 83 84 #elif CONFIG_SYS_USE_NANDFLASH 85 86 /* bootstrap + u-boot + env + linux in nandflash */ 87 #define CONFIG_ENV_OFFSET 0x140000 88 #define CONFIG_ENV_OFFSET_REDUND 0x100000 89 #define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */ 90 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x600000; " \ 91 "nand read 0x21000000 0x180000 0x80000; " \ 92 "bootz 0x22000000 - 0x21000000" 93 94 #else /* CONFIG_SYS_USE_MMC */ 95 96 /* bootstrap + u-boot + env + linux in mmc */ 97 #define CONFIG_ENV_SIZE 0x4000 98 #define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91sam9rlek.dtb; " \ 99 "fatload mmc 0:1 0x22000000 zImage; " \ 100 "bootz 0x22000000 - 0x21000000" 101 #endif 102 103 /* 104 * Size of malloc() pool 105 */ 106 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000) 107 108 #endif 109