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 2004
* Texas Instruments.
* Richard Woodruff <r-woodruff2@ti.com>
* Kshitij Gupta <kshitij@ti.com>
*
* Configuration settings for the 242x TI H4 board.
*
* 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
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* High Level Configuration Options
*/
#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP2420 1 /* which is in a 2420 */
#define CONFIG_OMAP2420H4 1 /* and on a H4 board */
/*#define CONFIG_APTIX 1 #* define if on APTIX test chip */
/*#define CONFIG_VIRTIO 1 #* Using Virtio simulator */
/* Clock config to target*/
#define PRCM_CONFIG_II 1
/* #define PRCM_CONFIG_III 1 */
#include <asm/arch/omap2420.h> /* get chip and board defs */
/* On H4, NOR and NAND flash are mutual exclusive.
Define this if you want to use NAND
*/
/*#define CFG_NAND_BOOT */
#ifdef CONFIG_APTIX
#define V_SCLK 1500000
#else
#define V_SCLK 12000000
#endif
/* input clock of PLL */
/* the OMAP2420 H4 has 12MHz, 13MHz, or 19.2Mhz crystal input */
#define CONFIG_SYS_CLK_FREQ V_SCLK
#undef CONFIG_USE_IRQ /* no support for IRQs */
#define CONFIG_MISC_INIT_R
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG 1
#define CONFIG_REVISION_TAG 1
/*
* Size of malloc() pool
*/
#define CFG_ENV_SIZE SZ_128K /* Total Size of Environment Sector */
#define CFG_MALLOC_LEN (CFG_ENV_SIZE + SZ_128K)
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
/*
* Hardware drivers
*/
/*
* SMC91c96 Etherent
*/
#define CONFIG_DRIVER_LAN91C96
#define CONFIG_LAN91C96_BASE (H4_CS1_BASE+0x300)
#define CONFIG_LAN91C96_EXT_PHY
/*
* NS16550 Configuration
*/
#ifdef CONFIG_APTIX
#define V_NS16550_CLK (6000000) /* 6MHz in current MaxSet */
#else
#define V_NS16550_CLK (48000000) /* 48MHz (APLL96/2) */
#endif
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE (-4)
#define CFG_NS16550_CLK V_NS16550_CLK /* 3MHz (1.5MHz*2) */
#define CFG_NS16550_COM1 OMAP2420_UART1
/*
* select serial console configuration
*/
#define CONFIG_SERIAL1 1 /* UART1 on H4 */
/*
* I2C configuration
*/
#define CONFIG_HARD_I2C
#define CFG_I2C_SPEED 100000
#define CFG_I2C_SLAVE 1
#define CONFIG_DRIVER_OMAP24XX_I2C
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_CONS_INDEX 1
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200}
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#ifdef CFG_NAND_BOOT
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_I2C
#define CONFIG_CMD_NAND
#define CONFIG_CMD_JFFS2
#else
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_I2C
#define CONFIG_CMD_JFFS2
#undef CONFIG_CMD_AUTOSCRIPT
#endif
/*
* BOOTP options
*/
#define CONFIG_BOOTP_SUBNETMASK
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_BOOTP_BOOTPATH
/*
* Board NAND Info.
*/
#define CFG_NAND_LEGACY
#define CFG_NAND_ADDR 0x04000000 /* physical address to access nand at CS0*/
#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
#define SECTORSIZE 512
#define ADDR_COLUMN 1
#define ADDR_PAGE 2
#define ADDR_COLUMN_PAGE 3
#define NAND_ChipID_UNKNOWN 0x00
#define NAND_MAX_FLOORS 1
#define NAND_MAX_CHIPS 1
#define WRITE_NAND_COMMAND(d, adr) do {*(volatile u16 *)0x6800A07C = d;} while(0)
#define WRITE_NAND_ADDRESS(d, adr) do {*(volatile u16 *)0x6800A080 = d;} while(0)
#define WRITE_NAND(d, adr) do {*(volatile u16 *)0x6800A084 = d;} while(0)
#define READ_NAND(adr) (*(volatile u16 *)0x6800A084)
#define NAND_WAIT_READY(nand) udelay(10)
#define NAND_NO_RB 1
#define CFG_NAND_WP
#define NAND_WP_OFF() do {*(volatile u32 *)(0x6800A050) |= 0x00000010;} while(0)
#define NAND_WP_ON() do {*(volatile u32 *)(0x6800A050) &= ~0x00000010;} while(0)
#define NAND_CTL_CLRALE(nandptr)
#define NAND_CTL_SETALE(nandptr)
#define NAND_CTL_CLRCLE(nandptr)
#define NAND_CTL_SETCLE(nandptr)
#define NAND_DISABLE_CE(nand)
#define NAND_ENABLE_CE(nand)
#define CONFIG_BOOTDELAY 3
#ifdef NFS_BOOT_DEFAULTS
#define CONFIG_BOOTARGS "mem=32M console=ttyS0,115200n8 noinitrd root=/dev/nfs rw nfsroot=128.247.77.158:/home/a0384864/wtbu/rootfs ip=dhcp"
#else
#define CONFIG_BOOTARGS "root=/dev/ram0 rw mem=32M console=ttyS0,115200n8 initrd=0x80600000,8M ramdisk_size=8192"
#endif
#define CONFIG_NETMASK 255.255.254.0
#define CONFIG_IPADDR 128.247.77.90
#define CONFIG_SERVERIP 128.247.77.158
#define CONFIG_BOOTFILE "uImage"
/*
* Miscellaneous configurable options
*/
#ifdef CONFIG_APTIX
#define V_PROMPT "OMAP2420 Aptix # "
#else
#define V_PROMPT "OMAP242x H4 # "
#endif
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT V_PROMPT
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
/* Print Buffer Size */
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16)
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_MEMTEST_START (OMAP2420_SDRC_CS0) /* memtest works on */
#define CFG_MEMTEST_END (OMAP2420_SDRC_CS0+SZ_31M)
#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
#define CFG_LOAD_ADDR (OMAP2420_SDRC_CS0) /* default load address */
/* The 2420 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
* 32KHz clk, or from external sig. This rate is divided by a local divisor.
*/
#ifdef CONFIG_APTIX
#define V_PVT 3
#else
#define V_PVT 7 /* use with 12MHz/128 */
#endif
#define CFG_TIMERBASE OMAP2420_GPT2
#define CFG_PVT V_PVT /* 2^(pvt+1) */
#define CFG_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CFG_PVT))
/*-----------------------------------------------------------------------
* Stack sizes
*
* The stack sizes are set up in start.S using the settings below
*/
#define CONFIG_STACKSIZE SZ_128K /* regular stack */
#ifdef CONFIG_USE_IRQ
#define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */
#define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */
#endif
/*-----------------------------------------------------------------------
* Physical Memory Map
*/
#define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
#define PHYS_SDRAM_1 OMAP2420_SDRC_CS0
#define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */
#define PHYS_SDRAM_2 OMAP2420_SDRC_CS1
#define PHYS_FLASH_SECT_SIZE SZ_128K
#define PHYS_FLASH_1 H4_CS0_BASE /* Flash Bank #1 */
#define PHYS_FLASH_SIZE_1 SZ_32M
#define PHYS_FLASH_2 (H4_CS0_BASE+SZ_32M) /* same cs, 2 chips in series */
#define PHYS_FLASH_SIZE_2 SZ_32M
/*-----------------------------------------------------------------------
* FLASH and environment organization
*/
#define CFG_FLASH_BASE PHYS_FLASH_1
#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT (259) /* max number of sectors on one chip */
#define CFG_MONITOR_BASE CFG_FLASH_BASE /* Monitor at beginning of flash */
#define CFG_MONITOR_LEN SZ_128K /* Reserve 1 sector */
#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE, CFG_FLASH_BASE + PHYS_FLASH_SIZE_1 }
#ifdef CFG_NAND_BOOT
#define CFG_ENV_IS_IN_NAND 1
#define CFG_ENV_OFFSET 0x80000 /* environment starts here */
#else
#define CFG_ENV_ADDR (CFG_FLASH_BASE + SZ_128K)
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_SECT_SIZE PHYS_FLASH_SECT_SIZE
#define CFG_ENV_OFFSET ( CFG_MONITOR_BASE + CFG_MONITOR_LEN ) /* Environment after Monitor */
#endif
/*-----------------------------------------------------------------------
* CFI FLASH driver setup
*/
#define CFG_FLASH_CFI 1 /* Flash memory is CFI compliant */
#define CFG_FLASH_CFI_DRIVER 1 /* Use drivers/cfi_flash.c */
#define CFG_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes (~10x faster) */
#define CFG_FLASH_PROTECTION 1 /* Use hardware sector protection */
/* timeout values are in ticks */
#define CFG_FLASH_ERASE_TOUT (100*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (100*CFG_HZ) /* Timeout for Flash Write */
#define CFG_JFFS2_MEM_NAND
/*
* JFFS2 partitions
*/
/* No command line, one static partition, whole device */
#undef CONFIG_JFFS2_CMDLINE
#define CONFIG_JFFS2_DEV "nor1"
#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
#define CONFIG_JFFS2_PART_OFFSET 0x00000000
/* mtdparts command line support */
/* Note: fake mtd_id used, no linux mtd map file */
/*
#define CONFIG_JFFS2_CMDLINE
#define MTDIDS_DEFAULT "nor1=omap2420-1"
#define MTDPARTS_DEFAULT "mtdparts=omap2420-1:-(jffs2)"
*/
#endif /* __CONFIG_H */
|
