1 /*
2  * Copyright (C) 2004 Sascha Hauer, Pengutronix
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of
7  * the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17  * MA 02111-1307 USA
18  */
19 
20 #ifndef __CONFIG_H
21 #define __CONFIG_H
22 
23 #define CONFIG_ARM920T	   1	 /* this is an ARM920T CPU     */
24 #define CONFIG_IMX	   1	 /* in a Motorola MC9328MXL Chip */
25 #define CONFIG_MX1FS2	   1	 /* on a mx1fs2 board */
26 #undef	CONFIG_USE_IRQ		 /* don't need use IRQ/FIQ    */
27 
28 /*
29  * Select serial console configuration
30  */
31 #undef	_CONFIG_UART1 /* internal uart 1 */
32 #define _CONFIG_UART2 /* internal uart 2 */
33 #undef	_CONFIG_UART3 /* internal uart 3 */
34 #undef	_CONFIG_UART4 /* internal uart 4 */
35 #undef	CONFIG_SILENT_CONSOLE  /* use this to disable output */
36 
37 
38 /*
39  * BOOTP options
40  */
41 #define CONFIG_BOOTP_BOOTFILESIZE
42 #define CONFIG_BOOTP_BOOTPATH
43 #define CONFIG_BOOTP_GATEWAY
44 #define CONFIG_BOOTP_HOSTNAME
45 
46 
47 /*
48  * Command line configuration.
49  */
50 #include <config_cmd_default.h>
51 
52 #define CONFIG_CMD_JFFS2
53 
54 #undef CONFIG_CMD_CONSOLE
55 #undef CONFIG_CMD_DHCP
56 #undef CONFIG_CMD_LOADS
57 #undef CONFIG_CMD_NET
58 #undef CONFIG_CMD_PING
59 #undef CONFIG_CMD_SOURCE
60 
61 
62 /*
63  * Boot options. Setting delay to -1 stops autostart count down.
64  */
65 #define CONFIG_BOOTDELAY   10
66 #define CONFIG_BOOTARGS	   "root=/dev/mtdblock4 console=ttySMX0,115200n8 rootfstype=jffs2"
67 #define CONFIG_BOOTCOMMAND "bootm 10080000"
68 #define CONFIG_SHOW_BOOT_PROGRESS
69 
70 /*
71  * General options for u-boot. Modify to save memory foot print
72  */
73 #define CONFIG_SYS_LONGHELP				      /* undef saves memory  */
74 #define CONFIG_SYS_PROMPT		"mx1fs2> "	      /* prompt string	     */
75 #define CONFIG_SYS_CBSIZE		256		      /* console I/O buffer  */
76 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* print buffer size   */
77 #define CONFIG_SYS_MAXARGS		16		      /* max command args    */
78 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	      /* boot args buf size  */
79 
80 #define CONFIG_SYS_MEMTEST_START	0x08100000	      /* memtest test area   */
81 #define CONFIG_SYS_MEMTEST_END		0x08F00000
82 
83 #define CONFIG_SYS_HZ			3686400	     /* incrementer freq: 3.6864 MHz */
84 #define CONFIG_SYS_CPUSPEED		0x141	     /* core clock - register value  */
85 
86 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
87 #define CONFIG_BAUDRATE 115200
88 /*
89  * Definitions related to passing arguments to kernel.
90  */
91 #define CONFIG_CMDLINE_TAG	     1	 /* send commandline to Kernel	     */
92 #define CONFIG_SETUP_MEMORY_TAGS     1	 /* send memory definition to kernel */
93 #define	 CONFIG_INITRD_TAG	     1	   /* send initrd params	*/
94 #undef	CONFIG_VFD			 /* do not send framebuffer setup    */
95 
96 /*
97  * Malloc pool need to host env + 128 Kb reserve for other allocations.
98  */
99 #define CONFIG_SYS_MALLOC_LEN	  (CONFIG_ENV_SIZE + (128<<10) )
100 
101 
102 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
103 
104 #define CONFIG_STACKSIZE	(120<<10)      /* stack size */
105 
106 #ifdef CONFIG_USE_IRQ
107 #define CONFIG_STACKSIZE_IRQ	(4<<10)	       /* IRQ stack  */
108 #define CONFIG_STACKSIZE_FIQ	(4<<10)	       /* FIQ stack  */
109 #endif
110 
111 /* SDRAM Setup Values
112  * 0x910a8300 Precharge Command CAS 3
113  * 0x910a8200 Precharge Command CAS 2
114  *
115  * 0xa10a8300 AutoRefresh Command CAS 3
116  * 0xa10a8200 Set AutoRefresh Command CAS 2
117  */
118 #define PRECHARGE_CMD 0x910a8300
119 #define AUTOREFRESH_CMD 0xa10a8300
120 
121 #define BUS32BIT_VERSION
122 /*
123  * SDRAM Memory Map
124  */
125 #define CONFIG_NR_DRAM_BANKS  1			     /* we have 1 bank of SDRAM */
126 #define MX1FS2_SDRAM_1	      0x08000000	     /* SDRAM bank #1		*/
127 #ifdef BUS32BIT_VERSION
128 #define MX1FS2_SDRAM_1_SIZE  (0x04000000 - 0x100000) /* 64 MB - 1M Framebuffer */
129 #else
130 #define MX1FS2_SDRAM_1_SIZE  (0x01FC0000 - 0x100000) /* 32 MB - 1M Framebuffer */
131 #endif
132 /*
133  * Flash Controller settings
134  */
135 
136 #define CONFIG_SYS_MAX_FLASH_BANKS	1	/* FLASH banks count (not chip count)*/
137 #define CONFIG_SYS_MAX_FLASH_SECT	256	/* number of sector in FLASH bank    */
138 
139 #ifdef BUS32BIT_VERSION
140 #define MX1FS2_FLASH_BUS_WIDTH	4	/* we use 32 bit FLASH memory...     */
141 #define MX1FS2_FLASH_INTERLEAVE 2	/* ... made of 2 chips */
142 #define MX1FS2_FLASH_BANK_SIZE	0x02000000  /* size of one flash bank*/
143 #define MX1FS2_FLASH_SECT_SIZE	0x00020000  /* size of erase sector */
144 #else
145 #define MX1FS2_FLASH_BUS_WIDTH	2	/* we use 16 bit FLASH memory...     */
146 #define MX1FS2_FLASH_INTERLEAVE 1	/* ... made of 1 chip */
147 #define MX1FS2_FLASH_BANK_SIZE	0x01000000  /* size of one flash bank*/
148 #define MX1FS2_FLASH_SECT_SIZE	0x00010000  /* size of erase sector */
149 #endif
150 #define MX1FS2_FLASH_BASE	0x10000000  /* location of flash memory */
151 #define MX1FS2_FLASH_UNLOCK	   1	   /* perform hw unlock first */
152 
153 /* This should be defined if CFI FLASH device is present. Actually benefit
154    is not so clear to me. In other words we can provide more informations
155    to user, but this expects more complex flash handling we do not provide
156    now.*/
157 #undef	CONFIG_SYS_FLASH_CFI
158 
159 #define CONFIG_SYS_FLASH_ERASE_TOUT	(2*CONFIG_SYS_HZ)    /* timeout for Erase operation */
160 #define CONFIG_SYS_FLASH_WRITE_TOUT	(2*CONFIG_SYS_HZ)    /* timeout for Write operation */
161 
162 #define CONFIG_SYS_FLASH_BASE		MX1FS2_FLASH_BASE
163 
164 /*
165  * This is setting for JFFS2 support in u-boot.
166  * Right now there is no gain for user, but later on booting kernel might be
167  * possible. Consider using XIP kernel running from flash to save RAM
168  * footprint.
169  * NOTE: Enable CONFIG_CMD_JFFS2 for JFFS2 support.
170  */
171 
172 /*
173  * JFFS2 partitions
174  */
175 /* No command line, one static partition, whole device */
176 /*
177 #undef CONFIG_CMD_MTDPARTS
178 #define CONFIG_JFFS2_DEV		"nor0"
179 #define CONFIG_JFFS2_PART_SIZE		0xFFFFFFFF
180 #define CONFIG_JFFS2_PART_OFFSET	0x00050000
181 */
182 
183 /* mtdparts command line support */
184 /* Note: fake mtd_id used, no linux mtd map file */
185 #define CONFIG_CMD_MTDPARTS
186 #define CONFIG_MTD_DEVICE		/* needed for mtdparts commands */
187 #define CONFIG_FLASH_CFI_MTD
188 #define MTDIDS_DEFAULT		"nor0=mx1fs2-0"
189 
190 #ifdef BUS32BIT_VERSION
191 #define MTDPARTS_DEFAULT	"mtdparts=mx1fs2-0:2m@5m(part0),5m@9m(part1)"
192 #else
193 #define MTDPARTS_DEFAULT	"mtdparts=mx1fs2-0:-@320k(jffs2)"
194 #endif
195 
196 /*
197  * Environment setup. Definitions of monitor location and size with
198  * definition of environment setup ends up in 2 possibilities.
199  * 1. Embeded environment - in u-boot code is space for environment
200  * 2. Environment is read from predefined sector of flash
201  * Right now we support 2. possiblity, but expecting no env placed
202  * on mentioned address right now. This also needs to provide whole
203  * sector for it - for us 256Kb is really waste of memory. U-boot uses
204  * default env. and until kernel parameters could be sent to kernel
205  * env. has no sense to us.
206  */
207 
208 #define CONFIG_SYS_MONITOR_BASE	0x10000000
209 #define CONFIG_SYS_MONITOR_LEN		0x20000		/* 128b ( 1 flash sector )   */
210 #define CONFIG_ENV_IS_IN_FLASH	1
211 #define CONFIG_ENV_ADDR		0x10020000	/* absolute address for now  */
212 #define CONFIG_ENV_SIZE		0x20000
213 
214 #define	 CONFIG_ENV_OVERWRITE	1		/* env is not writable now   */
215 
216 /* Setup CS4 and CS5 */
217 #define CONFIG_SYS_GIUS_A_VAL		0x0003fffe
218 
219 /*
220  * CSxU_VAL:
221  * 63| x	x x x | x x x x | x x  x    x | x x x x | x x x x | x x x x | x x x x | x x x x|32
222  *   |DTACK_SEL|0|BCD |	  BCS	| PSZ|PME|SYNC|	 DOL	| CNC|	  WSC	    | 0| WWS  |	  EDC  |
223  *
224  * CSxL_VAL:
225  * 31| x x x x | x x x x | x x x x | x x x x | x x x x |  x x x x | x x	 x x | x x  x	 x| 0
226  *   |	 OEA   |   OEN	 |   WEA   |   WEN   |	 CSA   |EBC| DSZ  | 0|SP|0|WP| 0 0|PA|CSEN|
227  */
228 
229 #define CONFIG_SYS_CS0U_VAL 0x00008C00
230 #define CONFIG_SYS_CS0L_VAL 0x22222601
231 #define CONFIG_SYS_CS1U_VAL 0x00008C00
232 #define CONFIG_SYS_CS1L_VAL 0x22222301
233 #define CONFIG_SYS_CS4U_VAL 0x00008C00
234 #define CONFIG_SYS_CS4L_VAL 0x22222301
235 #define CONFIG_SYS_CS5U_VAL 0x00008C00
236 #define CONFIG_SYS_CS5L_VAL 0x22222301
237 
238 /* f_{dpll}=2*f{ref}*(MFI+MFN/(MFD+1))/(PD+1)
239    f_ref=16,777MHz
240 
241    0x002a141f: 191,9944MHz
242    0x040b2007: 144MHz
243    0x042a141f: 96MHz
244    0x0811140d: 64MHz
245    0x040e200e: 150MHz
246    0x00321431: 200MHz
247 
248    0x08001800: 64MHz mit 16er Quarz
249    0x04001800: 96MHz mit 16er Quarz
250    0x04002400: 144MHz mit 16er Quarz
251 
252    31 |x x x x|x x x x|x x x x|x x x x|x x x x|x x x x|x x x x|x x x x| 0
253       |XXX|--PD---|-------MFD---------|XXX|--MFI--|-----MFN-----------|	    */
254 
255 #define CONFIG_SYS_MPCTL0_VAL		0x07E723AD
256 #define CONFIG_SYS_MPCTL1_VAL		0x00000040
257 #define CONFIG_SYS_PCDR_VAL		0x00010005
258 #define CONFIG_SYS_GPCR_VAL		0x00000FFB
259 
260 #define USE_16M_OSZI /* If you have one, you want to use it
261 			The internal 32kHz oszillator jitters */
262 #ifdef USE_16M_OSZI
263 
264 #define CONFIG_SYS_SPCTL0_VAL		0x04001401
265 #define CONFIG_SYS_SPCTL1_VAL		0x0C000040
266 #define CONFIG_SYS_CSCR_VAL		0x07030003
267 #define CONFIG_SYS_CLK_FREQ	16780000
268 #define CONFIG_SYSPLL_CLK_FREQ	16000000
269 
270 #else
271 
272 #define CONFIG_SYS_SPCTL0_VAL		0x07E716D1
273 #define CONFIG_SYS_CSCR_VAL		0x06000003
274 #define CONFIG_SYS_CLK_FREQ	16780000
275 #define CONFIG_SYSPLL_CLK_FREQ	16780000
276 
277 #endif
278 
279 /*
280  * Well this has to be defined, but on the other hand it is used differently
281  * one may expect. For instance loadb command do not cares :-)
282  * So advice is - do not relay on this...
283  */
284 #define CONFIG_SYS_LOAD_ADDR		0x08400000
285 
286 #define CONFIG_SYS_FMCR_VAL		0x00000003 /* Reset Default */
287 
288 /* Bit[0:3] contain PERCLK1DIV for UART 1
289    0x000b00b ->b<- -> 192MHz/12=16MHz
290    0x000b00b ->8<- -> 144MHz/09=16MHz
291    0x000b00b ->3<- -> 64MHz/4=16MHz */
292 
293 #ifdef _CONFIG_UART1
294 #define CONFIG_IMX_SERIAL
295 #define CONFIG_IMX_SERIAL1
296 #elif defined _CONFIG_UART2
297 #define CONFIG_IMX_SERIAL
298 #define CONFIG_IMX_SERIAL2
299 #elif defined _CONFIG_UART3 | defined _CONFIG_UART4
300 #define CONFIG_SYS_NS16550
301 #define CONFIG_SYS_NS16550_SERIAL
302 #define CONFIG_SYS_NS16550_CLK		3686400
303 #define CONFIG_SYS_NS16550_REG_SIZE	1
304 #define CONFIG_CONS_INDEX	1
305 #ifdef _CONFIG_UART3
306 #define CONFIG_SYS_NS16550_COM1	0x15000000
307 #elif defined _CONFIG_UART4
308 #define CONFIG_SYS_NS16550_COM1	0x16000000
309 #endif
310 #endif
311 
312 #endif	/* __CONFIG_H */
313