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      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 (at) 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
     40 #define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */
     41 
     42 /* serial console */
     43 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
     44 #define CONFIG_USART_ID			ATMEL_ID_SYS
     45 
     46 /* LED */
     47 #define CONFIG_AT91_LED
     48 #define CONFIG_RED_LED		AT91_PIN_PD31	/* this is the user1 led */
     49 #define CONFIG_GREEN_LED	AT91_PIN_PD0	/* this is the user2 led */
     50 
     51 
     52 /*
     53  * BOOTP options
     54  */
     55 #define CONFIG_BOOTP_BOOTFILESIZE
     56 
     57 /* SDRAM */
     58 #define CONFIG_NR_DRAM_BANKS		1
     59 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS6
     60 #define CONFIG_SYS_SDRAM_SIZE		0x08000000
     61 
     62 #define CONFIG_SYS_INIT_SP_ADDR \
     63 	(CONFIG_SYS_SDRAM_BASE + SZ_32K - GENERATED_GBL_DATA_SIZE)
     64 
     65 /* NAND flash */
     66 #ifdef CONFIG_CMD_NAND
     67 #define CONFIG_NAND_ATMEL
     68 #define CONFIG_SYS_MAX_NAND_DEVICE		1
     69 #define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
     70 #define CONFIG_SYS_NAND_DBW_8
     71 /* our ALE is AD21 */
     72 #define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
     73 /* our CLE is AD22 */
     74 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
     75 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PC14
     76 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PC8
     77 #endif
     78 
     79 /* Ethernet */
     80 #define CONFIG_MACB
     81 #define CONFIG_RMII
     82 #define CONFIG_NET_RETRY_COUNT		20
     83 #define CONFIG_AT91_WANTS_COMMON_PHY
     84 
     85 #define CONFIG_MTD_DEVICE
     86 #define CONFIG_MTD_PARTITIONS
     87 
     88 /* DFU class support */
     89 #define CONFIG_SYS_DFU_DATA_BUF_SIZE	(SZ_1M)
     90 #define DFU_MANIFEST_POLL_TIMEOUT	25000
     91 
     92 #define CONFIG_SYS_LOAD_ADDR	ATMEL_BASE_CS6
     93 
     94 /* bootstrap + u-boot + env in nandflash */
     95 #define CONFIG_ENV_OFFSET		0x100000
     96 #define CONFIG_ENV_OFFSET_REDUND	0x180000
     97 #define CONFIG_ENV_SIZE			SZ_128K
     98 
     99 #define CONFIG_BOOTCOMMAND						\
    100 	"nand read 0x70000000 0x200000 0x300000;"			\
    101 	"bootm 0x70000000"
    102 
    103 /*
    104  * Size of malloc() pool
    105  */
    106 #define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + \
    107 				SZ_4M, 0x1000)
    108 
    109 /* Defines for SPL */
    110 #define CONFIG_SPL_TEXT_BASE		0x300000
    111 #define CONFIG_SPL_MAX_SIZE		(12 * SZ_1K)
    112 #define CONFIG_SPL_STACK		(SZ_16K)
    113 
    114 #define CONFIG_SPL_BSS_START_ADDR	CONFIG_SPL_MAX_SIZE
    115 #define CONFIG_SPL_BSS_MAX_SIZE		(SZ_2K)
    116 
    117 #define CONFIG_SPL_NAND_DRIVERS
    118 #define CONFIG_SPL_NAND_BASE
    119 #define CONFIG_SPL_NAND_ECC
    120 #define CONFIG_SPL_NAND_RAW_ONLY
    121 #define CONFIG_SPL_NAND_SOFTECC
    122 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x20000
    123 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
    124 #define	CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
    125 #define CONFIG_SYS_NAND_U_BOOT_DST	CONFIG_SYS_TEXT_BASE
    126 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
    127 
    128 #define CONFIG_SYS_NAND_PAGE_SIZE	SZ_2K
    129 #define CONFIG_SYS_NAND_BLOCK_SIZE	(SZ_128K)
    130 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
    131 					 CONFIG_SYS_NAND_PAGE_SIZE)
    132 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
    133 #define CONFIG_SYS_NAND_ECCSIZE		256
    134 #define CONFIG_SYS_NAND_ECCBYTES	3
    135 #define CONFIG_SYS_NAND_OOBSIZE		64
    136 #define CONFIG_SYS_NAND_ECCPOS		{ 40, 41, 42, 43, 44, 45, 46, 47, \
    137 					  48, 49, 50, 51, 52, 53, 54, 55, \
    138 					  56, 57, 58, 59, 60, 61, 62, 63, }
    139 
    140 #define CONFIG_SPL_ATMEL_SIZE
    141 #define CONFIG_SYS_MASTER_CLOCK		132096000
    142 #define AT91_PLL_LOCK_TIMEOUT		1000000
    143 #define CONFIG_SYS_AT91_PLLA		0x20c73f03
    144 #define CONFIG_SYS_MCKR			0x1301
    145 #define CONFIG_SYS_MCKR_CSS		0x1302
    146 
    147 #endif
    148