1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Common board functions for siemens AT91SAM9G45 based boards 4 * (C) Copyright 2013 Siemens AG 5 * 6 * Based on: 7 * U-Boot file: include/configs/at91sam9m10g45ek.h 8 * (C) Copyright 2007-2008 9 * Stelian Pop <stelian@popies.net> 10 * Lead Tech Design <www.leadtechdesign.com> 11 */ 12 13 #ifndef __CONFIG_H 14 #define __CONFIG_H 15 16 #include <asm/hardware.h> 17 #include <linux/sizes.h> 18 19 /* 20 * Warning: changing CONFIG_SYS_TEXT_BASE requires 21 * adapting the initial boot program. 22 * Since the linker has to swallow that define, we must use a pure 23 * hex number here! 24 */ 25 26 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 27 28 /* ARM asynchronous clock */ 29 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 30 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */ 31 32 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ 33 #define CONFIG_SETUP_MEMORY_TAGS 34 #define CONFIG_INITRD_TAG 35 #define CONFIG_SKIP_LOWLEVEL_INIT_ONLY 36 37 /* general purpose I/O */ 38 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */ 39 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */ 40 41 /* serial console */ 42 #define CONFIG_USART_BASE ATMEL_BASE_DBGU 43 #define CONFIG_USART_ID ATMEL_ID_SYS 44 45 /* LED */ 46 #define CONFIG_AT91_LED 47 #define CONFIG_RED_LED AT91_PIN_PD31 /* this is the user1 led */ 48 #define CONFIG_GREEN_LED AT91_PIN_PD0 /* this is the user2 led */ 49 50 51 /* 52 * BOOTP options 53 */ 54 #define CONFIG_BOOTP_BOOTFILESIZE 55 56 /* SDRAM */ 57 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS6 58 #define CONFIG_SYS_SDRAM_SIZE 0x08000000 59 60 #define CONFIG_SYS_INIT_SP_ADDR \ 61 (CONFIG_SYS_SDRAM_BASE + SZ_32K - GENERATED_GBL_DATA_SIZE) 62 63 /* NAND flash */ 64 #ifdef CONFIG_CMD_NAND 65 #define CONFIG_SYS_MAX_NAND_DEVICE 1 66 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 67 #define CONFIG_SYS_NAND_DBW_8 68 /* our ALE is AD21 */ 69 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) 70 /* our CLE is AD22 */ 71 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) 72 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 73 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC8 74 #define CONFIG_SYS_NAND_DRIVER_ECC_LAYOUT 75 #endif 76 77 /* Ethernet */ 78 #define CONFIG_MACB 79 #define CONFIG_RMII 80 #define CONFIG_NET_RETRY_COUNT 20 81 #define CONFIG_AT91_WANTS_COMMON_PHY 82 83 /* DFU class support */ 84 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (SZ_1M) 85 #define DFU_MANIFEST_POLL_TIMEOUT 25000 86 87 #define CONFIG_SYS_LOAD_ADDR ATMEL_BASE_CS6 88 89 /* bootstrap + u-boot + env in nandflash */ 90 91 #define CONFIG_BOOTCOMMAND \ 92 "nand read 0x70000000 0x200000 0x300000;" \ 93 "bootm 0x70000000" 94 95 /* 96 * Size of malloc() pool 97 */ 98 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + \ 99 SZ_4M, 0x1000) 100 101 /* Defines for SPL */ 102 #define CONFIG_SPL_MAX_SIZE (12 * SZ_1K) 103 #define CONFIG_SPL_STACK (SZ_16K) 104 105 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE 106 #define CONFIG_SPL_BSS_MAX_SIZE (SZ_2K) 107 108 #define CONFIG_SPL_NAND_RAW_ONLY 109 #define CONFIG_SPL_NAND_SOFTECC 110 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000 111 #define CONFIG_SYS_NAND_U_BOOT_SIZE 0x80000 112 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE 113 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE 114 #define CONFIG_SYS_NAND_5_ADDR_CYCLE 115 116 #define CONFIG_SYS_NAND_PAGE_SIZE SZ_2K 117 #define CONFIG_SYS_NAND_BLOCK_SIZE (SZ_128K) 118 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \ 119 CONFIG_SYS_NAND_PAGE_SIZE) 120 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS 121 #define CONFIG_SYS_NAND_ECCSIZE 256 122 #define CONFIG_SYS_NAND_ECCBYTES 3 123 #define CONFIG_SYS_NAND_OOBSIZE 64 124 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \ 125 48, 49, 50, 51, 52, 53, 54, 55, \ 126 56, 57, 58, 59, 60, 61, 62, 63, } 127 128 #define CONFIG_SPL_ATMEL_SIZE 129 #define CONFIG_SYS_MASTER_CLOCK 132096000 130 #define AT91_PLL_LOCK_TIMEOUT 1000000 131 #define CONFIG_SYS_AT91_PLLA 0x20c73f03 132 #define CONFIG_SYS_MCKR 0x1301 133 #define CONFIG_SYS_MCKR_CSS 0x1302 134 135 #define CONFIG_SPL_PAD_TO CONFIG_SYS_NAND_U_BOOT_OFFS 136 #define CONFIG_SYS_SPL_LEN CONFIG_SPL_PAD_TO 137 138 #endif 139