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