1 /*
2  * (C) Copyright 2000
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 /* Yoo. Jonghoon, IPone, yooth@ipone.co.kr
25  * U-Boot port on RPXlite board
26  */
27 
28 #ifndef __CONFIG_H
29 #define __CONFIG_H
30 
31 #define	RPXLite_50MHz
32 
33 /*
34  * High Level Configuration Options
35  * (easy to change)
36  */
37 
38 #undef CONFIG_MPC860
39 #define CONFIG_MPC850		1	/* This is a MPC850 CPU		*/
40 #define CONFIG_RPXLITE		1
41 
42 #define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
43 #undef	CONFIG_8xx_CONS_SMC2
44 #undef	CONFIG_8xx_CONS_NONE
45 #define CONFIG_BAUDRATE		9600	/* console baudrate = 9600bps	*/
46 #if 0
47 #define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
48 #else
49 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
50 #endif
51 
52 #undef	CONFIG_BOOTARGS
53 #define CONFIG_BOOTCOMMAND							\
54 	"bootp; "								\
55 	"setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} "	\
56 	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; "	\
57 	"bootm"
58 
59 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
60 #undef	CONFIG_SYS_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/
61 
62 #define CONFIG_BZIP2		/* Include support for bzip2 compressed images  */
63 #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
64 
65 /*
66  * BOOTP options
67  */
68 #define CONFIG_BOOTP_SUBNETMASK
69 #define CONFIG_BOOTP_GATEWAY
70 #define CONFIG_BOOTP_HOSTNAME
71 #define CONFIG_BOOTP_BOOTPATH
72 #define CONFIG_BOOTP_BOOTFILESIZE
73 
74 
75 /*
76  * Command line configuration.
77  */
78 #include <config_cmd_default.h>
79 
80 
81 /*
82  * Miscellaneous configurable options
83  */
84 #define	CONFIG_SYS_LONGHELP			/* undef to save memory		*/
85 #define	CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt	*/
86 #if defined(CONFIG_CMD_KGDB)
87 #define	CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size	*/
88 #else
89 #define	CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size	*/
90 #endif
91 #define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
92 #define	CONFIG_SYS_MAXARGS	16		/* max number of command args	*/
93 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
94 
95 #define CONFIG_SYS_MEMTEST_START	0x00400000	/* memtest works on	*/
96 #define CONFIG_SYS_MEMTEST_END		0x00C00000	/* 4 ... 12 MB in DRAM	*/
97 
98 #define CONFIG_SYS_RESET_ADDRESS	0x09900000
99 
100 #define	CONFIG_SYS_LOAD_ADDR		0x400000	/* default load address	*/
101 
102 #define	CONFIG_SYS_HZ			1000		/* decrementer freq: 1 ms ticks	*/
103 
104 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
105 
106 /*
107  * Low Level Configuration Settings
108  * (address mappings, register initial values, etc.)
109  * You should know what you are doing if you make changes here.
110  */
111 /*-----------------------------------------------------------------------
112  * Internal Memory Mapped Register
113  */
114 #define CONFIG_SYS_IMMR		0xFA200000
115 
116 /*-----------------------------------------------------------------------
117  * Definitions for initial stack pointer and data area (in DPRAM)
118  */
119 #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_IMMR
120 #define	CONFIG_SYS_INIT_RAM_END	0x2F00	/* End of used area in DPRAM	*/
121 #define	CONFIG_SYS_GBL_DATA_SIZE	64  /* size in bytes reserved for initial data */
122 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
123 #define	CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
124 
125 /*-----------------------------------------------------------------------
126  * Start addresses for the final memory configuration
127  * (Set up by the startup code)
128  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
129  */
130 #define	CONFIG_SYS_SDRAM_BASE		0x00000000
131 #define CONFIG_SYS_FLASH_BASE		0xFFC00000
132 #define CONFIG_SYS_MONITOR_BASE	TEXT_BASE
133 #define	CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
134 #ifdef CONFIG_BZIP2
135 #define CONFIG_SYS_MALLOC_LEN		(4096 << 10)	/* Reserve ~4 MB for malloc()   */
136 #else
137 #define CONFIG_SYS_MALLOC_LEN		(128 << 10)	/* Reserve 128 KB for malloc()  */
138 #endif /* CONFIG_BZIP2 */
139 
140 /*
141  * For booting Linux, the board info and command line data
142  * have to be in the first 8 MB of memory, since this is
143  * the maximum mapped by the Linux kernel during initialization.
144  */
145 #define	CONFIG_SYS_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux	*/
146 
147 /*-----------------------------------------------------------------------
148  * FLASH organization
149  */
150 #define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
151 #define CONFIG_SYS_MAX_FLASH_SECT	19	/* max number of sectors on one chip	*/
152 
153 #define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
154 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
155 
156 #define	CONFIG_SYS_DIRECT_FLASH_TFTP
157 
158 #define	CONFIG_ENV_IS_IN_FLASH	1
159 #define CONFIG_ENV_SECT_SIZE	0x40000	/* We use one complete sector		*/
160 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
161 
162 #define CONFIG_ENV_OVERWRITE
163 
164 /*-----------------------------------------------------------------------
165  * Cache Configuration
166  */
167 #define CONFIG_SYS_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/
168 #if defined(CONFIG_CMD_KGDB)
169 #define CONFIG_SYS_CACHELINE_SHIFT	4	/* log base 2 of the above value	*/
170 #endif
171 
172 /*-----------------------------------------------------------------------
173  * SYPCR - System Protection Control				11-9
174  * SYPCR can only be written once after reset!
175  *-----------------------------------------------------------------------
176  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
177  */
178 #if defined(CONFIG_WATCHDOG)
179 #define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
180 			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
181 #else
182 #define CONFIG_SYS_SYPCR	(SYPCR_SWTC | 0x00000600 | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
183 #endif
184 
185 /*-----------------------------------------------------------------------
186  * SIUMCR - SIU Module Configuration				11-6
187  *-----------------------------------------------------------------------
188  * PCMCIA config., multi-function pin tri-state
189  */
190 #define CONFIG_SYS_SIUMCR	(SIUMCR_MLRC10)
191 
192 /*-----------------------------------------------------------------------
193  * TBSCR - Time Base Status and Control				11-26
194  *-----------------------------------------------------------------------
195  * Clear Reference Interrupt Status, Timebase freezing enabled
196  */
197 #define CONFIG_SYS_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE)
198 
199 /*-----------------------------------------------------------------------
200  * RTCSC - Real-Time Clock Status and Control Register		11-27
201  *-----------------------------------------------------------------------
202  */
203 /*%%%#define CONFIG_SYS_RTCSC	(RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) */
204 #define CONFIG_SYS_RTCSC	(RTCSC_SEC | RTCSC_RTE)
205 
206 /*-----------------------------------------------------------------------
207  * PISCR - Periodic Interrupt Status and Control		11-31
208  *-----------------------------------------------------------------------
209  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
210  */
211 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
212 
213 /*-----------------------------------------------------------------------
214  * PLPRCR - PLL, Low-Power, and Reset Control Register		15-30
215  *-----------------------------------------------------------------------
216  * Reset PLL lock status sticky bit, timer expired status bit and timer
217  * interrupt status bit
218  *
219  * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
220  */
221 /* up to 50 MHz we use a 1:1 clock */
222 #define CONFIG_SYS_PLPRCR	( (5 << PLPRCR_MF_SHIFT) | PLPRCR_TEXPS )
223 
224 /*-----------------------------------------------------------------------
225  * SCCR - System Clock and reset Control Register		15-27
226  *-----------------------------------------------------------------------
227  * Set clock output, timebase and RTC source and divider,
228  * power management and some other internal clocks
229  */
230 #define SCCR_MASK	SCCR_EBDF00
231 /* up to 50 MHz we use a 1:1 clock */
232 #define CONFIG_SYS_SCCR	(SCCR_COM11 | SCCR_TBS)
233 
234 /*-----------------------------------------------------------------------
235  * PCMCIA stuff
236  *-----------------------------------------------------------------------
237  *
238  */
239 #define CONFIG_SYS_PCMCIA_MEM_ADDR	(0xE0000000)
240 #define CONFIG_SYS_PCMCIA_MEM_SIZE	( 64 << 20 )
241 #define CONFIG_SYS_PCMCIA_DMA_ADDR	(0xE4000000)
242 #define CONFIG_SYS_PCMCIA_DMA_SIZE	( 64 << 20 )
243 #define CONFIG_SYS_PCMCIA_ATTRB_ADDR	(0xE8000000)
244 #define CONFIG_SYS_PCMCIA_ATTRB_SIZE	( 64 << 20 )
245 #define CONFIG_SYS_PCMCIA_IO_ADDR	(0xEC000000)
246 #define CONFIG_SYS_PCMCIA_IO_SIZE	( 64 << 20 )
247 
248 /*-----------------------------------------------------------------------
249  * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
250  *-----------------------------------------------------------------------
251  */
252 
253 #define	CONFIG_IDE_8xx_PCCARD	1	/* Use IDE with PC Card	Adapter	*/
254 
255 #undef	CONFIG_IDE_8xx_DIRECT		/* Direct IDE    not supported	*/
256 #undef	CONFIG_IDE_LED			/* LED   for ide not supported	*/
257 #undef	CONFIG_IDE_RESET		/* reset for ide not supported	*/
258 
259 #define CONFIG_SYS_IDE_MAXBUS		1	/* max. 1 IDE bus		*/
260 #define CONFIG_SYS_IDE_MAXDEVICE	1	/* max. 1 drive per IDE bus	*/
261 
262 #define CONFIG_SYS_ATA_IDE0_OFFSET	0x0000
263 
264 #define CONFIG_SYS_ATA_BASE_ADDR	CONFIG_SYS_PCMCIA_MEM_ADDR
265 
266 /* Offset for data I/O			*/
267 #define CONFIG_SYS_ATA_DATA_OFFSET	(CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
268 
269 /* Offset for normal register accesses	*/
270 #define CONFIG_SYS_ATA_REG_OFFSET	(2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320)
271 
272 /* Offset for alternate registers	*/
273 #define CONFIG_SYS_ATA_ALT_OFFSET	0x0100
274 
275 /*-----------------------------------------------------------------------
276  *
277  *-----------------------------------------------------------------------
278  *
279  */
280 /*#define	CONFIG_SYS_DER	0x2002000F*/
281 #define CONFIG_SYS_DER	0
282 
283 /*
284  * Init Memory Controller:
285  *
286  * BR0 and OR0 (FLASH)
287  */
288 
289 #define FLASH_BASE_PRELIM	0xFE000000	/* FLASH base */
290 #define CONFIG_SYS_PRELIM_OR_AM	0xFE000000	/* OR addr mask */
291 
292 /* FLASH timing: ACS = 0, TRLX = 0, CSNT = 0, SCY = 4, ETHR = 0, BIH = 1 */
293 #define CONFIG_SYS_OR_TIMING_FLASH (OR_SCY_4_CLK | OR_BI)
294 
295 #define CONFIG_SYS_OR0_PRELIM	(CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
296 #define CONFIG_SYS_BR0_PRELIM	((FLASH_BASE_PRELIM & BR_BA_MSK) | BR_V)
297 
298 /*
299  * BR1 and OR1 (SDRAM)
300  *
301  */
302 #define SDRAM_BASE_PRELIM	0x00000000	/* SDRAM base	*/
303 #define	SDRAM_MAX_SIZE		0x01000000	/* max 16 MB */
304 
305 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)	*/
306 #define CONFIG_SYS_OR_TIMING_SDRAM	0x00000E00
307 
308 #define CONFIG_SYS_OR1_PRELIM	(CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM )
309 #define CONFIG_SYS_BR1_PRELIM	((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
310 
311 /* RPXLITE mem setting */
312 #define	CONFIG_SYS_BR3_PRELIM	0xFA400001		/* BCSR */
313 #define CONFIG_SYS_OR3_PRELIM	0xFFFF8910
314 #define	CONFIG_SYS_BR4_PRELIM	0xFA000401		/* NVRAM&SRAM */
315 #define CONFIG_SYS_OR4_PRELIM	0xFFFE0970
316 
317 /*
318  * Memory Periodic Timer Prescaler
319  */
320 
321 /* periodic timer for refresh */
322 #define CONFIG_SYS_MAMR_PTA	58
323 
324 /*
325  * Refresh clock Prescalar
326  */
327 #define CONFIG_SYS_MPTPR	MPTPR_PTP_DIV8
328 
329 /*
330  * MAMR settings for SDRAM
331  */
332 
333 /* 10 column SDRAM */
334 #define CONFIG_SYS_MAMR_10COL	((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
335 			 MAMR_AMA_TYPE_2 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A12 |	\
336 			 MAMR_GPL_A4DIS | MAMR_RLFA_4X | MAMR_WLFA_3X | MAMR_TLFA_16X)
337 
338 /*
339  * Internal Definitions
340  *
341  * Boot Flags
342  */
343 #define	BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
344 #define BOOTFLAG_WARM	0x02		/* Software reboot			*/
345 
346 
347 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
348 /* Configuration variable added by yooth. */
349 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
350 
351 /*
352  * BCSRx
353  *
354  * Board Status and Control Registers
355  *
356  */
357 
358 #define BCSR0 0xFA400000
359 #define BCSR1 0xFA400001
360 #define BCSR2 0xFA400002
361 #define BCSR3 0xFA400003
362 
363 #define BCSR0_ENMONXCVR	0x01	/* Monitor XVCR Control */
364 #define BCSR0_ENNVRAM	0x02	/* CS4# Control */
365 #define BCSR0_LED5	0x04	/* LED5 control 0='on' 1='off' */
366 #define BCSR0_LED4	0x08	/* LED4 control 0='on' 1='off' */
367 #define BCSR0_FULLDPLX	0x10	/* Ethernet XCVR Control */
368 #define BCSR0_COLTEST	0x20
369 #define BCSR0_ETHLPBK	0x40
370 #define BCSR0_ETHEN	0x80
371 
372 #define BCSR1_PCVCTL7	0x01	/* PC Slot B Control */
373 #define BCSR1_PCVCTL6	0x02
374 #define BCSR1_PCVCTL5	0x04
375 #define BCSR1_PCVCTL4	0x08
376 #define BCSR1_IPB5SEL	0x10
377 
378 #define BCSR2_ENPA5HDR	0x08	/* USB Control */
379 #define BCSR2_ENUSBCLK	0x10
380 #define BCSR2_USBPWREN	0x20
381 #define BCSR2_USBSPD	0x40
382 #define BCSR2_USBSUSP	0x80
383 
384 #define BCSR3_BWRTC	0x01	/* Real Time Clock Battery */
385 #define BCSR3_BWNVR	0x02	/* NVRAM Battery */
386 #define BCSR3_RDY_BSY	0x04	/* Flash Operation */
387 #define BCSR3_RPXL	0x08	/* Reserved (reads back '1') */
388 #define BCSR3_D27	0x10	/* Dip Switch settings */
389 #define BCSR3_D26	0x20
390 #define BCSR3_D25	0x40
391 #define BCSR3_D24	0x80
392 
393 #endif	/* __CONFIG_H */
394