summaryrefslogtreecommitdiff
path: root/include/configs/top9000.h
blob: 5db3d1ba354b1d3d8292456beb182a4883adfcf5 (plain)
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
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
/*
 * (C) Copyright 2010
 * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de
 *
 * Configuation settings for the TOP9000 CPU module with AT91SAM9XE.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
/*
 * top9000 with at91sam9xe256 or at91sam9xe512
 *
 * Initial Bootloader is in embedded flash.
 * Vital Product Data, U-Boot Environment are in I2C-EEPROM.
 * U-Boot is in embedded flash, a backup U-Boot can be in NAND flash.
 * kernel and file system are either in NAND flash or on a micro SD card.
 * NAND flash is optional.
 * I2C EEPROM is never optional.
 * SPI FRAM is optional.
 * SPI ENC28J60 is optional.
 * 16 or 32 bit wide SDRAM.
 */
#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * Warning: changing CONFIG_SYS_TEXT_BASE requires
 * adapting the initial boot program
 */
#define CONFIG_SYS_TEXT_BASE		0x21f00000	/* 31 MB into RAM */

/* Command line configuration */
#include <config_cmd_default.h>
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_SETGETDCR
#undef CONFIG_CMD_XIMG
#define CONFIG_CMD_ASKENV
#define CONFIG_SYS_CBSIZE		256
#define CONFIG_SYS_MAXARGS		16
#define CONFIG_SYS_PBSIZE \
	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
#define CONFIG_SYS_PROMPT		"TOP9000> "
#define CONFIG_SYS_LONGHELP
#define CONFIG_CMDLINE_EDITING
#define CONFIG_CMD_BDI
#define CONFIG_CMD_CACHE

/* ARM asynchronous clock */
#define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* 18.432 MHz xtal */
#define CONFIG_SYS_HZ			1000

/* SoC */
#define CONFIG_ARM926EJS		/* ARM926EJS Core */
#define CONFIG_AT91FAMILY		/* it's a member of AT91 */
#define CONFIG_AT91SAM9260		/* Atmel AT91SAM9260 based SoC */
#define CONFIG_AT91SAM9XE

/* Misc CPU related */
#define CONFIG_AT91_LEGACY
#define CONFIG_ARCH_CPU_INIT
#undef	CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
#define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_SKIP_LOWLEVEL_INIT
#define CONFIG_BOARD_EARLY_INIT_F
#define CONFIG_DISPLAY_CPUINFO
#define CONFIG_AT91RESET_EXTRST		/* assert external reset */

/* general purpose I/O */
#define CONFIG_AT91_GPIO
#define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */

/* serial console */
#define CONFIG_ATMEL_USART
#define CONFIG_USART3			/* USART 3 is DBGU !!! */
#define CONFIG_BAUDRATE			115200
#define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }

/* SD/MMC card */
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_GENERIC_ATMEL_MCI
#define CONFIG_SYS_MMC_CD_PIN		AT91_PIN_PC9
#define CONFIG_CMD_MMC

/* Ethernet */
#define CONFIG_MACB
#define CONFIG_SYS_PHY_ID	1
#define CONFIG_RMII
#define CONFIG_NET_MULTI
#define CONFIG_NET_RETRY_COUNT	20

/* real time clock */
#define CONFIG_RTC_AT91SAM9_RTT
#define CONFIG_CMD_DATE

#if defined(CONFIG_AT91SAM9XE)
/*
 * NOR flash - use embedded flash of SAM9XE256/512
 * U-Boot will not fit into 128K !
 * 2010.09 will not fit into 256K with all options enabled !
 *
 * Layout:
 * 16kB	1st Bootloader
 * Rest U-Boot
 * the first sector (16kB) of EFLASH cannot be unprotected
 * with u-boot commands
 */
# define CONFIG_AT91_EFLASH
# define CONFIG_SYS_FLASH_BASE		0x200000
# define CONFIG_SYS_MAX_FLASH_SECT	32
# define CONFIG_SYS_MAX_FLASH_BANKS	1
# define CONFIG_SYS_FLASH_PROTECTION
# define CONFIG_EFLASH_PROTSECTORS	1	/* protect first sector */
#endif

/* SPI */
#define CONFIG_ATMEL_SPI
#define CONFIG_CMD_SPI

/* RAMTRON FRAM */
#define CONFIG_CMD_SF
#define CONFIG_ATMEL_SPI0		/* SPI used for FRAM is SPI0 */
#define FRAM_SPI_BUS		0
#define FRAM_CS_NUM		0
#define CONFIG_SPI_FLASH		/* RAMTRON FRAM on SPI bus */
#define CONFIG_SPI_FRAM_RAMTRON
#define CONFIG_SF_DEFAULT_SPEED	1000000	/* be conservative here... */
#define CONFIG_SF_DEFAULT_MODE	SPI_MODE_0
#define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC	"FM25H20"

/* Microchip ENC28J60 (second LAN) */
#if defined(CONFIG_EVAL9000)
# define CONFIG_ENC28J60
# define CONFIG_ATMEL_SPI1		/* SPI used for ENC28J60 is SPI1 */
# define ENC_SPI_BUS		1
# define ENC_CS_NUM		0
# define ENC_SPI_CLOCK	1000000
#endif /* CONFIG_EVAL9000 */

/*
 * 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		0x20000000
#define CONFIG_SYS_SDRAM_SIZE		0x08000000
#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END		0x21e00000
#define CONFIG_SYS_LOAD_ADDR \
	(CONFIG_SYS_SDRAM_BASE + 0x01000000)
/*
 * Initial stack pointer: 16k - 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.
 */
#define CONFIG_SYS_INIT_SP_ADDR \
	(0x00300000 + 0x4000 - GENERATED_GBL_DATA_SIZE)

/*
 * NAND flash: 256 MB (optional)
 *
 * Layout:
 * 640kB: u-boot (includes space for spare sectors, handled by
 * initial loader)
 * 2MB: kernel
 * rest: file system
 */
#define CONFIG_NAND_ATMEL
#define CONFIG_SYS_MAX_NAND_DEVICE	1
#define CONFIG_SYS_NAND_BASE		0x40000000
#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
#define CONFIG_CMD_NAND

/* USB */
#define CONFIG_USB_ATMEL
#define CONFIG_USB_OHCI_NEW
#define CONFIG_DOS_PARTITION
#define CONFIG_SYS_USB_OHCI_CPU_INIT
#define CONFIG_SYS_USB_OHCI_REGS_BASE	0x00500000
#define CONFIG_SYS_USB_OHCI_SLOT_NAME	"top9000"
#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
#define CONFIG_USB_STORAGE
#define CONFIG_CMD_USB

/* I2C support must always be enabled */
#define CONFIG_SOFT_I2C
#define CONFIG_CMD_I2C
#define CONFIG_SYS_I2C_SPEED		400000
#define CONFIG_SYS_I2C_SLAVE		0x7F
#define CONFIG_I2C_MULTI_BUS
#define I2C0_PORT			AT91_PIO_PORTA
#define SDA0_PIN			23
#define SCL0_PIN			24
#define I2C1_PORT			AT91_PIO_PORTB
#define SDA1_PIN			12
#define SCL1_PIN			13
#define I2C_SOFT_DECLARATIONS		void iic_init(void);\
					int iic_read(void);\
					void iic_sda(int);\
					void iic_scl(int);
#define I2C_ACTIVE
#define I2C_TRISTATE
#define I2C_INIT			iic_init()
#define I2C_READ			iic_read()
#define I2C_SDA(bit)			iic_sda(bit)
#define I2C_SCL(bit)			iic_scl(bit)
#define I2C_DELAY			udelay(3)
/* EEPROM configuration */
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	5
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
#define CONFIG_SYS_EEPROM_SIZE		0x2000
#define CONFIG_SYS_I2C_EEPROM_ADDR	0x57
/* later: #define CONFIG_I2C_ENV_EEPROM_BUS	0 */
/* ENV is always in I2C-EEPROM */
#define CONFIG_ENV_IS_IN_EEPROM
#define CONFIG_ENV_OFFSET		0x1000
#define CONFIG_ENV_SIZE			0x0f00
/* VPD settings */
#define CONFIG_SYS_I2C_FACT_ADDR	0x57
#define CONFIG_SYS_FACT_OFFSET		0x1F00
#define CONFIG_SYS_FACT_SIZE		0x0100
/* later: #define CONFIG_MISC_INIT_R */
/* define the next only if you want to allow users to enter VPD data */
#define CONFIG_SYS_FACT_ENTRY
#ifndef __ASSEMBLY__
extern void read_factory_r(void);
#endif

/*
 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
 * data on the serial line may interrupt the boot sequence.
 */
#define CONFIG_BOOTDELAY		1
#define CONFIG_AUTOBOOT
#define CONFIG_AUTOBOOT_KEYED
#define CONFIG_AUTOBOOT_PROMPT \
	"Press SPACE to abort autoboot in %d seconds\n", bootdelay
#define CONFIG_AUTOBOOT_DELAY_STR	"d"
#define CONFIG_AUTOBOOT_STOP_STR	" "

/*
 * add filesystem commands if we have at least 1 storage
 * media with filesystem
 */
#if defined(CONFIG_NAND_ATMEL) \
	|| defined(CONFIG_USB_ATMEL) \
	|| defined(CONFIG_MMC)
# define CONFIG_DOS_PARTITION
# define CONFIG_CMD_FAT
# define CONFIG_CMD_EXT2
/* later: #define CONFIG_CMD_JFFS2 */
#endif

/* add NET commands if we have at least 1 LAN */
#if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
# define CONFIG_CMD_PING
# define CONFIG_CMD_DHCP
# define CONFIG_CMD_MII
/* is this really needed ? */
# define CONFIG_RESET_PHY_R
/* BOOTP options */
# define CONFIG_BOOTP_BOOTFILESIZE
# define CONFIG_BOOTP_BOOTPATH
# define CONFIG_BOOTP_GATEWAY
# define CONFIG_BOOTP_HOSTNAME
#endif

/* linux in NAND flash */
#define CONFIG_BOOTCOUNT_LIMIT	1
#define CONFIG_BOOTCOMMAND \
	"nand read 0x21000000 0xA0000 0x200000; bootm"
#define CONFIG_BOOTARGS \
	"console=ttyS0,115200 " \
	"root=/dev/mtdblock2 " \
	"mtdparts=atmel_nand:" \
		"640k(uboot)ro," \
		"2M(linux)," \
		"16M(root)," \
		"-(rest) " \
	"rw "\
	"rootfstype=jffs2"

/* Size of malloc() pool */
#define CONFIG_SYS_MALLOC_LEN \
	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
#define CONFIG_STACKSIZE		(32*1024)
#ifdef CONFIG_USE_IRQ
#error CONFIG_USE_IRQ not supported
#endif

#endif