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 AT91SAM9260EK & AT91SAM9G20EK boards.
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #ifndef __CONFIG_H
12 #define __CONFIG_H
13 
14 /*
15  * SoC must be defined first, before hardware.h is included.
16  * In this case SoC is defined in boards.cfg.
17  */
18 #include <asm/hardware.h>
19 
20 /*
21  * Warning: changing CONFIG_SYS_TEXT_BASE requires
22  * adapting the initial boot program.
23  * Since the linker has to swallow that define, we must use a pure
24  * hex number here!
25  */
26 #define CONFIG_SYS_TEXT_BASE		0x21f00000
27 
28 /* ARM asynchronous clock */
29 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
30 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* main clock xtal */
31 
32 /* Define actual evaluation board type from used processor type */
33 #ifdef CONFIG_AT91SAM9G20
34 # define CONFIG_AT91SAM9G20EK	/* It's an Atmel AT91SAM9G20 EK */
35 #else
36 # define CONFIG_AT91SAM9260EK	/* It's an Atmel AT91SAM9260 EK */
37 #endif
38 
39 /* Misc CPU related */
40 #define CONFIG_ARCH_CPU_INIT
41 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
42 #define CONFIG_SETUP_MEMORY_TAGS
43 #define CONFIG_INITRD_TAG
44 #define CONFIG_SKIP_LOWLEVEL_INIT
45 
46 /* general purpose I/O */
47 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
48 
49 /*
50  * BOOTP options
51  */
52 #define CONFIG_BOOTP_BOOTFILESIZE	1
53 #define CONFIG_BOOTP_BOOTPATH		1
54 #define CONFIG_BOOTP_GATEWAY		1
55 #define CONFIG_BOOTP_HOSTNAME		1
56 
57 /*
58  * SDRAM: 1 bank, min 32, max 128 MB
59  * Initialized before u-boot gets started.
60  */
61 #define CONFIG_NR_DRAM_BANKS		1
62 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
63 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
64 
65 /*
66  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
67  * leaving the correct space for initial global data structure above
68  * that address while providing maximum stack area below.
69  */
70 #ifdef CONFIG_AT91SAM9XE
71 # define CONFIG_SYS_INIT_SP_ADDR \
72 	(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
73 #else
74 # define CONFIG_SYS_INIT_SP_ADDR \
75 	(ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
76 #endif
77 
78 /*
79  * The (arm)linux board id set by generic code depending on configured board
80  * (see boards.cfg for different boards)
81  */
82 #ifdef CONFIG_AT91SAM9G20
83 	/* the sam9g20 variants have two different board ids */
84 # ifdef CONFIG_AT91SAM9G20EK_2MMC
85 	/* we may be setup for the 2MMC variant of at91sam9g20ek */
86 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
87 # else
88 	/* or the normal at91sam9g20ek */
89 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
90 # endif
91 #else
92 	/* otherwise default to good old at91sam9260ek */
93 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
94 #endif
95 
96 /* NAND flash */
97 #ifdef CONFIG_CMD_NAND
98 #define CONFIG_NAND_ATMEL
99 #define CONFIG_SYS_MAX_NAND_DEVICE	1
100 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
101 #define CONFIG_SYS_NAND_DBW_8
102 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
103 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
104 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
105 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
106 #endif
107 
108 /* USB */
109 #define CONFIG_USB_ATMEL
110 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
111 #define CONFIG_USB_OHCI_NEW		1
112 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
113 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
114 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
115 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
116 
117 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
118 
119 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
120 #define CONFIG_SYS_MEMTEST_END			0x23e00000
121 
122 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
123 
124 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
125 #define CONFIG_ENV_OFFSET	0x4200
126 #define CONFIG_ENV_SIZE		0x4200
127 #define CONFIG_ENV_SECT_SIZE	0x210
128 #define CONFIG_ENV_SPI_MAX_HZ	15000000
129 #define CONFIG_BOOTCOMMAND	"sf probe 0:0; " \
130 				"sf read 0x22000000 0x84000 0x294000; " \
131 				"bootm 0x22000000"
132 
133 #elif CONFIG_SYS_USE_DATAFLASH_CS1
134 
135 #define CONFIG_ENV_OFFSET	0x4200
136 #define CONFIG_ENV_SIZE		0x4200
137 #define CONFIG_ENV_SECT_SIZE	0x210
138 #define CONFIG_ENV_SPI_MAX_HZ	15000000
139 #define CONFIG_BOOTCOMMAND	"sf probe 0:1; " \
140 				"sf read 0x22000000 0x84000 0x294000; " \
141 				"bootm 0x22000000"
142 
143 #elif defined(CONFIG_SYS_USE_NANDFLASH)
144 
145 /* bootstrap + u-boot + env + linux in nandflash */
146 #define CONFIG_ENV_OFFSET		0x120000
147 #define CONFIG_ENV_OFFSET_REDUND	0x100000
148 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
149 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
150 
151 #else	/* CONFIG_SYS_USE_MMC */
152 /* bootstrap + u-boot + env + linux in mmc */
153 /* For FAT system, most cases it should be in the reserved sector */
154 #define CONFIG_ENV_OFFSET		0x2000
155 #define CONFIG_ENV_SIZE			0x1000
156 #define CONFIG_SYS_MMC_ENV_DEV		0
157 
158 #define CONFIG_BOOTCOMMAND						\
159 	"fatload mmc 0:1 0x22000000 uImage; bootm"
160 #endif
161 
162 #define CONFIG_SYS_CBSIZE		256
163 #define CONFIG_SYS_MAXARGS		16
164 #define CONFIG_SYS_LONGHELP		1
165 #define CONFIG_CMDLINE_EDITING	1
166 #define CONFIG_AUTO_COMPLETE
167 
168 /*
169  * Size of malloc() pool
170  */
171 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
172 
173 #endif
174