1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/*
* (C) Copyright 2007-2008
* Stelian Pop <stelian@popies.net>
* Lead Tech Design <www.leadtechdesign.com>
*
* Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* SoC must be defined first, before hardware.h is included.
* In this case SoC is defined in boards.cfg.
*/
#include <asm/hardware.h>
/*
* Warning: changing CONFIG_SYS_TEXT_BASE requires
* adapting the initial boot program.
* Since the linker has to swallow that define, we must use a pure
* hex number here!
*/
#define CONFIG_SYS_TEXT_BASE 0x21f00000
/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
/* Define actual evaluation board type from used processor type */
#ifdef CONFIG_AT91SAM9G20
# define CONFIG_AT91SAM9G20EK /* It's an Atmel AT91SAM9G20 EK */
#else
# define CONFIG_AT91SAM9260EK /* It's an Atmel AT91SAM9260 EK */
#endif
/* Misc CPU related */
#define CONFIG_ARCH_CPU_INIT
#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_SKIP_LOWLEVEL_INIT
/* general purpose I/O */
#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTFILESIZE 1
#define CONFIG_BOOTP_BOOTPATH 1
#define CONFIG_BOOTP_GATEWAY 1
#define CONFIG_BOOTP_HOSTNAME 1
/*
* SDRAM: 1 bank, min 32, max 128 MB
* Initialized before u-boot gets started.
*/
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
#define CONFIG_SYS_SDRAM_SIZE 0x04000000
/*
* Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
* leaving the correct space for initial global data structure above
* that address while providing maximum stack area below.
*/
#ifdef CONFIG_AT91SAM9XE
# define CONFIG_SYS_INIT_SP_ADDR \
(ATMEL_BASE_SRAM + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
#else
# define CONFIG_SYS_INIT_SP_ADDR \
(ATMEL_BASE_SRAM1 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
#endif
/*
* The (arm)linux board id set by generic code depending on configured board
* (see boards.cfg for different boards)
*/
#ifdef CONFIG_AT91SAM9G20
/* the sam9g20 variants have two different board ids */
# ifdef CONFIG_AT91SAM9G20EK_2MMC
/* we may be setup for the 2MMC variant of at91sam9g20ek */
# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
# else
/* or the normal at91sam9g20ek */
# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
# endif
#else
/* otherwise default to good old at91sam9260ek */
# define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
#endif
#ifndef CONFIG_AT91SAM9G20EK_2MMC
/* DataFlash */
#define CONFIG_ATMEL_DATAFLASH_SPI
#define CONFIG_HAS_DATAFLASH 1
#define CONFIG_SYS_MAX_DATAFLASH_BANKS 2
#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* CS0 */
#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 0xD0000000 /* CS1 */
#define AT91_SPI_CLK 15000000
#else
/* Enable MMC. The MCCK is conflicted with DataFlash */
#endif
#ifdef CONFIG_AT91SAM9G20EK
#define DATAFLASH_TCSS (0x22 << 16)
#else
#define DATAFLASH_TCSS (0x1a << 16)
#endif
#define DATAFLASH_TCHS (0x1 << 24)
/* NAND flash */
#ifdef CONFIG_CMD_NAND
#define CONFIG_NAND_ATMEL
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
#define CONFIG_SYS_NAND_DBW_8
#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
#endif
/* USB */
#define CONFIG_USB_ATMEL
#define CONFIG_USB_ATMEL_CLK_SEL_PLLB
#define CONFIG_USB_OHCI_NEW 1
#define CONFIG_SYS_USB_OHCI_CPU_INIT 1
#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000 /* AT91SAM9260_UHP_BASE */
#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END 0x23e00000
#ifdef CONFIG_SYS_USE_DATAFLASH_CS0
/* bootstrap + u-boot + env + linux in dataflash on CS0 */
#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
#define CONFIG_ENV_OFFSET 0x4200
#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
#define CONFIG_ENV_SIZE 0x4200
#define CONFIG_BOOTCOMMAND "cp.b 0xC0084000 0x22000000 0x210000; bootm"
#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
"root=/dev/mtdblock0 " \
"mtdparts=atmel_nand:-(root) " \
"rw rootfstype=jffs2"
#elif CONFIG_SYS_USE_DATAFLASH_CS1
/* bootstrap + u-boot + env + linux in dataflash on CS1 */
#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
#define CONFIG_ENV_OFFSET 0x4200
#define CONFIG_ENV_ADDR (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
#define CONFIG_ENV_SIZE 0x4200
#define CONFIG_BOOTCOMMAND "cp.b 0xD0084000 0x22000000 0x210000; bootm"
#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
"root=/dev/mtdblock0 " \
"mtdparts=atmel_nand:-(root) " \
"rw rootfstype=jffs2"
#elif defined(CONFIG_SYS_USE_NANDFLASH)
/* bootstrap + u-boot + env + linux in nandflash */
#define CONFIG_ENV_OFFSET 0x120000
#define CONFIG_ENV_OFFSET_REDUND 0x100000
#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
#define CONFIG_BOOTARGS \
"console=ttyS0,115200 earlyprintk " \
"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
"256k(env),256k(env_redundant),256k(spare)," \
"512k(dtb),6M(kernel)ro,-(rootfs) " \
"root=/dev/mtdblock7 rw rootfstype=jffs2"
#else /* CONFIG_SYS_USE_MMC */
/* bootstrap + u-boot + env + linux in mmc */
/* For FAT system, most cases it should be in the reserved sector */
#define CONFIG_ENV_OFFSET 0x2000
#define CONFIG_ENV_SIZE 0x1000
#define CONFIG_SYS_MMC_ENV_DEV 0
#define CONFIG_BOOTCOMMAND \
"fatload mmc 0:1 0x22000000 uImage; bootm"
#define CONFIG_BOOTARGS \
"console=ttyS0,115200 earlyprintk " \
"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
"256k(env),256k(env_redundant),256k(spare)," \
"512k(dtb),6M(kernel)ro,-(rootfs) " \
"root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
#endif
#define CONFIG_SYS_CBSIZE 256
#define CONFIG_SYS_MAXARGS 16
#define CONFIG_SYS_LONGHELP 1
#define CONFIG_CMDLINE_EDITING 1
#define CONFIG_AUTO_COMPLETE
/*
* Size of malloc() pool
*/
#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
#endif
|
