1 /*
2  * (C) Copyright 2006
3  * Markus Klotzbuecher, DENX Software Engineering, mk@denx.de
4  *
5  * Configuation settings for the SPC1920 board.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #ifndef __H
24 #define __CONFIG_H
25 
26 #define CONFIG_SPC1920			1	/* SPC1920 board */
27 #define CONFIG_MPC885			1	/* MPC885 CPU */
28 
29 #define	CONFIG_8xx_CONS_SMC1		/* Console is on SMC1 */
30 #undef	CONFIG_8xx_CONS_SMC2
31 #undef	CONFIG_8xx_CONS_NONE
32 
33 #define CONFIG_MII
34 #define CONFIG_MII_INIT		1
35 #undef CONFIG_ETHER_ON_FEC1
36 #define CONFIG_ETHER_ON_FEC2
37 #define FEC_ENET
38 #define CONFIG_FEC2_PHY		1
39 
40 #define CONFIG_BAUDRATE		19200
41 
42 /* use PLD CLK4 instead of brg */
43 #define CONFIG_SYS_SPC1920_SMC1_CLK4
44 
45 #define CONFIG_8xx_OSCLK		10000000 /* 10 MHz oscillator on EXTCLK  */
46 #define CONFIG_8xx_CPUCLK_DEFAULT	50000000
47 #define CONFIG_SYS_8xx_CPUCLK_MIN		40000000
48 #define CONFIG_SYS_8xx_CPUCLK_MAX		133000000
49 
50 #define CONFIG_SYS_RESET_ADDRESS		0xC0000000
51 
52 #define CONFIG_BOARD_EARLY_INIT_F
53 #define CONFIG_LAST_STAGE_INIT
54 
55 #if 0
56 #define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
57 #else
58 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
59 #endif
60 
61 #define CONFIG_ENV_OVERWRITE
62 
63 #define CONFIG_NFSBOOTCOMMAND							\
64     "dhcp;"									\
65     "setenv bootargs root=/dev/nfs rw nfsroot=$rootpath "			\
66     "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;"		\
67     "bootm"
68 
69 #define CONFIG_BOOTCOMMAND							\
70     "setenv bootargs root=/dev/mtdblock2 rw mtdparts=phys:1280K(ROM)ro,-(root) "\
71     "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;"		\
72     "bootm fe080000"
73 
74 #undef CONFIG_BOOTARGS
75 
76 #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
77 #define CONFIG_BZIP2	 /* include support for bzip2 compressed images */
78 
79 
80 /*
81  * BOOTP options
82  */
83 #define CONFIG_BOOTP_BOOTFILESIZE
84 #define CONFIG_BOOTP_BOOTPATH
85 #define CONFIG_BOOTP_GATEWAY
86 #define CONFIG_BOOTP_HOSTNAME
87 
88 
89 /*
90  * Command line configuration.
91  */
92 #include <config_cmd_default.h>
93 
94 #define CONFIG_CMD_ASKENV
95 #define CONFIG_CMD_DATE
96 #define CONFIG_CMD_ECHO
97 #define CONFIG_CMD_IMMAP
98 #define CONFIG_CMD_JFFS2
99 #define CONFIG_CMD_NET
100 #define CONFIG_CMD_PING
101 #define CONFIG_CMD_DHCP
102 #define CONFIG_CMD_I2C
103 #define CONFIG_CMD_MII
104 
105 /*
106  * Miscellaneous configurable options
107  */
108 #define	CONFIG_SYS_LONGHELP				/* undef to save memory		*/
109 #define	CONFIG_SYS_PROMPT		"=>"		/* Monitor Command Prompt	*/
110 #define CONFIG_SYS_HUSH_PARSER
111 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
112 
113 #if defined(CONFIG_CMD_KGDB)
114 #define	CONFIG_SYS_CBSIZE		1024		/* Console I/O Buffer Size	*/
115 #else
116 #define	CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size	*/
117 #endif
118 
119 #define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) /* Print Buffer Size	*/
120 #define	CONFIG_SYS_MAXARGS		16		/* max number of command args	*/
121 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
122 
123 #define CONFIG_SYS_LOAD_ADDR		0x00100000
124 
125 #define	CONFIG_SYS_HZ		        1000	/* decrementer freq: 1 ms ticks */
126 
127 #define CONFIG_SYS_BAUDRATE_TABLE	{ 2400, 4800, 9600, 19200 }
128 
129 /*
130  * Low Level Configuration Settings
131  * (address mappings, register initial values, etc.)
132  * You should know what you are doing if you make changes here.
133  */
134 
135 /*-----------------------------------------------------------------------
136  * Internal Memory Mapped Register
137  */
138 #define CONFIG_SYS_IMMR		0xF0000000
139 
140 /*-----------------------------------------------------------------------
141  * Definitions for initial stack pointer and data area (in DPRAM)
142  */
143 #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_IMMR
144 #define	CONFIG_SYS_INIT_RAM_END	0x2F00	/* End of used area in DPRAM	*/
145 #define	CONFIG_SYS_GBL_DATA_SIZE	64  /* size in bytes reserved for initial data */
146 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
147 #define	CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
148 
149 /*-----------------------------------------------------------------------
150  * Start addresses for the final memory configuration
151  * (Set up by the startup code)
152  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
153  */
154 #define CONFIG_SYS_MEMTEST_START	0x0400000	/* memtest works on	*/
155 #define CONFIG_SYS_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/
156 
157 /*
158  * For booting Linux, the board info and command line data
159  * have to be in the first 8 MB of memory, since this is
160  * the maximum mapped by the Linux kernel during initialization.
161  */
162 #define	CONFIG_SYS_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux	*/
163 
164 #define CONFIG_SYS_MONITOR_BASE	TEXT_BASE
165 #define	CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 256 KB for monitor	*/
166 
167 #ifdef CONFIG_BZIP2
168 #define	CONFIG_SYS_MALLOC_LEN		(2500 << 10)	/* Reserve ~2.5 MB for malloc()	*/
169 #else
170 #define	CONFIG_SYS_MALLOC_LEN		(384 << 10)	/* Reserve 384 kB for malloc()	*/
171 #endif /* CONFIG_BZIP2 */
172 
173 #define	CONFIG_SYS_ALLOC_DPRAM		1	/* use allocation routines	*/
174 
175 /*
176  * Flash
177  */
178 /*-----------------------------------------------------------------------
179  * Flash organisation
180  */
181 #define CONFIG_SYS_FLASH_BASE          0xFE000000
182 #define CONFIG_SYS_FLASH_CFI                           /* The flash is CFI compatible  */
183 #define CONFIG_FLASH_CFI_DRIVER                    /* Use common CFI driver        */
184 #define CONFIG_SYS_MAX_FLASH_BANKS     1               /* Max number of flash banks    */
185 #define CONFIG_SYS_MAX_FLASH_SECT      128             /* Max num of sects on one chip */
186 
187 /* Environment is in flash */
188 #define CONFIG_ENV_IS_IN_FLASH
189 #define CONFIG_ENV_SECT_SIZE       0x40000         /* We use one complete sector   */
190 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)
191 
192 #define CONFIG_ENV_OVERWRITE
193 
194 /*-----------------------------------------------------------------------
195  * Cache Configuration
196  */
197 #define CONFIG_SYS_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/
198 #define CONFIG_SYS_CACHELINE_SHIFT	4	/* log base 2 of the above value	*/
199 
200 #ifdef CONFIG_CMD_DATE
201 # define CONFIG_RTC_DS3231
202 # define CONFIG_SYS_I2C_RTC_ADDR      0x68
203 #endif
204 
205 /*-----------------------------------------------------------------------
206  * I2C configuration
207  */
208 #if defined(CONFIG_CMD_I2C)
209 /* enable I2C and select the hardware/software driver */
210 #undef CONFIG_HARD_I2C                 /* I2C with hardware support    */
211 #define CONFIG_SOFT_I2C                1       /* I2C bit-banged               */
212 
213 #define CONFIG_SYS_I2C_SPEED          93000   /* 93 kHz is supposed to work   */
214 #define CONFIG_SYS_I2C_SLAVE          0xFE
215 
216 #ifdef CONFIG_SOFT_I2C
217 /*
218  * Software (bit-bang) I2C driver configuration
219  */
220 #define PB_SCL         0x00000020      /* PB 26 */
221 #define PB_SDA         0x00000010      /* PB 27 */
222 
223 #define I2C_INIT       (immr->im_cpm.cp_pbdir |=  PB_SCL)
224 #define I2C_ACTIVE     (immr->im_cpm.cp_pbdir |=  PB_SDA)
225 #define I2C_TRISTATE   (immr->im_cpm.cp_pbdir &= ~PB_SDA)
226 #define I2C_READ       ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
227 #define I2C_SDA(bit)   if(bit) immr->im_cpm.cp_pbdat |=  PB_SDA; \
228 		       else    immr->im_cpm.cp_pbdat &= ~PB_SDA
229 #define I2C_SCL(bit)   if(bit) immr->im_cpm.cp_pbdat |=  PB_SCL; \
230 		       else    immr->im_cpm.cp_pbdat &= ~PB_SCL
231 #define I2C_DELAY      udelay(2)       /* 1/4 I2C clock duration */
232 #endif /* CONFIG_SOFT_I2C */
233 #endif
234 
235 /*-----------------------------------------------------------------------
236  * SYPCR - System Protection Control				11-9
237  * SYPCR can only be written once after reset!
238  *-----------------------------------------------------------------------
239  * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
240  */
241 #if defined(CONFIG_WATCHDOG)
242 #define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
243 			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
244 #else
245 #define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
246 #endif
247 
248 /*-----------------------------------------------------------------------
249  * SIUMCR - SIU Module Configuration				11-6
250  *-----------------------------------------------------------------------
251  * PCMCIA config., multi-function pin tri-state
252  */
253 #define CONFIG_SYS_SIUMCR      (SIUMCR_FRC)
254 
255 /*-----------------------------------------------------------------------
256  * TBSCR - Time Base Status and Control				11-26
257  *-----------------------------------------------------------------------
258  * Clear Reference Interrupt Status, Timebase freezing enabled
259  */
260 #define CONFIG_SYS_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
261 
262 /*-----------------------------------------------------------------------
263  * PISCR - Periodic Interrupt Status and Control		11-31
264  *-----------------------------------------------------------------------
265  * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
266  */
267 #define CONFIG_SYS_PISCR	(PISCR_PS | PISCR_PITF)
268 
269 /*-----------------------------------------------------------------------
270  * SCCR - System Clock and reset Control Register		15-27
271  *-----------------------------------------------------------------------
272  * Set clock output, timebase and RTC source and divider,
273  * power management and some other internal clocks
274  */
275 #define SCCR_MASK	SCCR_EBDF11
276 /* #define CONFIG_SYS_SCCR	SCCR_TBS */
277 #define CONFIG_SYS_SCCR	(SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
278 			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
279 			 SCCR_DFALCD00)
280 
281 /*-----------------------------------------------------------------------
282  * DER - Debug Enable Register
283  *-----------------------------------------------------------------------
284  * Set to zero to prevent the processor from entering debug mode
285  */
286 #define CONFIG_SYS_DER		 0
287 
288 
289 /* Because of the way the 860 starts up and assigns CS0 the entire
290  * address space, we have to set the memory controller differently.
291  * Normally, you write the option register first, and then enable the
292  * chip select by writing the base register.  For CS0, you must write
293  * the base register first, followed by the option register.
294  */
295 
296 
297 /*
298  * Init Memory Controller:
299  */
300 
301 /* BR0 and OR0 (FLASH) */
302 #define FLASH_BASE0_PRELIM	CONFIG_SYS_FLASH_BASE	/* FLASH bank #0 */
303 
304 
305 /* used to re-map FLASH both when starting from SRAM or FLASH:
306  * restrict access enough to keep SRAM working (if any)
307  * but not too much to meddle with FLASH accesses
308  */
309 #define CONFIG_SYS_REMAP_OR_AM		0x80000000	/* OR addr mask */
310 #define CONFIG_SYS_PRELIM_OR_AM	0xE0000000	/* OR addr mask */
311 
312 /*
313  * FLASH timing:
314  */
315 #define CONFIG_SYS_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
316 				 OR_SCY_6_CLK | OR_EHTR | OR_BI)
317 
318 #define CONFIG_SYS_OR0_REMAP	(CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)
319 #define CONFIG_SYS_OR0_PRELIM	(CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
320 #define CONFIG_SYS_BR0_PRELIM	((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V )
321 
322 
323 /*
324  * SDRAM CS1 UPMB
325  */
326 #define	CONFIG_SYS_SDRAM_BASE	0x00000000
327 #define CONFIG_SYS_SDRAM_BASE_PRELIM CONFIG_SYS_SDRAM_BASE
328 #define SDRAM_MAX_SIZE	0x4000000 /* max 64 MB */
329 
330 #define CONFIG_SYS_PRELIM_OR1_AM	0xF0000000
331 /* #define CONFIG_SYS_OR1_TIMING  OR_CSNT_SAM/\*  | OR_G5LS /\\* *\\/ *\/ */
332 #define SDRAM_TIMING	OR_SCY_0_CLK	/* SDRAM-Timing */
333 
334 #define CONFIG_SYS_OR1_PRELIM	(CONFIG_SYS_PRELIM_OR1_AM | OR_CSNT_SAM | OR_G5LS | SDRAM_TIMING)
335 #define CONFIG_SYS_BR1_PRELIM  ((CONFIG_SYS_SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V)
336 
337 /* #define CONFIG_SYS_OR1_FINAL   ((CONFIG_SYS_OR1_AM & OR_AM_MSK) | CONFIG_SYS_OR1_TIMING) */
338 /* #define CONFIG_SYS_BR1_FINAL   ((CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V) */
339 
340 #define CONFIG_SYS_PTB_PER_CLK	((4096 * 16 * 1000) / (4 * 64))
341 #define CONFIG_SYS_PTA_PER_CLK 195
342 #define CONFIG_SYS_MBMR_PTB	195
343 #define CONFIG_SYS_MPTPR	MPTPR_PTP_DIV16
344 #define CONFIG_SYS_MAR		0x88
345 
346 #define CONFIG_SYS_MBMR_8COL  ((CONFIG_SYS_MBMR_PTB << MBMR_PTB_SHIFT) | \
347 			MBMR_AMB_TYPE_0 | \
348 			MBMR_G0CLB_A10 | \
349 			MBMR_DSB_1_CYCL | \
350 			MBMR_RLFB_1X | \
351 			MBMR_WLFB_1X | \
352 			MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */
353 
354 #define CONFIG_SYS_MBMR_9COL  ((CONFIG_SYS_MBMR_PTB << MBMR_PTB_SHIFT) | \
355 			MBMR_AMB_TYPE_1 | \
356 			MBMR_G0CLB_A10 | \
357 			MBMR_DSB_1_CYCL | \
358 			MBMR_RLFB_1X | \
359 			MBMR_WLFB_1X | \
360 			MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */
361 
362 
363 /*
364  * DSP Host Port Interface CS3
365  */
366 #define CONFIG_SYS_SPC1920_HPI_BASE   0x90000000
367 #define CONFIG_SYS_PRELIM_OR3_AM      0xF8000000
368 
369 #define CONFIG_SYS_OR3         (CONFIG_SYS_PRELIM_OR3_AM | \
370 				       OR_G5LS | \
371 				       OR_SCY_0_CLK | \
372 				       OR_BI)
373 
374 #define CONFIG_SYS_BR3 ((CONFIG_SYS_SPC1920_HPI_BASE & BR_BA_MSK) | \
375 					       BR_MS_UPMA | \
376 					       BR_PS_16 | \
377 					       BR_V)
378 
379 #define CONFIG_SYS_MAMR (MAMR_GPL_A4DIS | \
380 		MAMR_RLFA_5X | \
381 		MAMR_WLFA_5X)
382 
383 #define CONFIG_SPC1920_HPI_TEST
384 
385 #ifdef CONFIG_SPC1920_HPI_TEST
386 #define HPI_REG(x)             (*((volatile u16 *) (CONFIG_SYS_SPC1920_HPI_BASE + x)))
387 #define HPI_HPIC_1             HPI_REG(0)
388 #define HPI_HPIC_2             HPI_REG(2)
389 #define HPI_HPIA_1             HPI_REG(0x2000008)
390 #define HPI_HPIA_2             HPI_REG(0x2000008 + 2)
391 #define HPI_HPID_INC_1         HPI_REG(0x1000004)
392 #define HPI_HPID_INC_2         HPI_REG(0x1000004 + 2)
393 #define HPI_HPID_NOINC_1       HPI_REG(0x300000c)
394 #define HPI_HPID_NOINC_2       HPI_REG(0x300000c + 2)
395 #endif /* CONFIG_SPC1920_HPI_TEST */
396 
397 /*
398  * Ramtron FM18L08 FRAM 32KB on CS4
399  */
400 #define CONFIG_SYS_SPC1920_FRAM_BASE	0x80100000
401 #define CONFIG_SYS_PRELIM_OR4_AM	0xffff8000
402 #define CONFIG_SYS_OR4		(CONFIG_SYS_PRELIM_OR4_AM | \
403 					OR_ACS_DIV2 | \
404 					OR_BI | \
405 					OR_SCY_4_CLK | \
406 					OR_TRLX)
407 
408 #define CONFIG_SYS_BR4 ((CONFIG_SYS_SPC1920_FRAM_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
409 
410 /*
411  * PLD CS5
412  */
413 #define CONFIG_SYS_SPC1920_PLD_BASE	0x80000000
414 #define CONFIG_SYS_PRELIM_OR5_AM	0xffff8000
415 
416 #define CONFIG_SYS_OR5_PRELIM		(CONFIG_SYS_PRELIM_OR5_AM | \
417 					OR_CSNT_SAM | \
418 					OR_ACS_DIV1 | \
419 					OR_BI | \
420 					OR_SCY_0_CLK | \
421 					OR_TRLX)
422 
423 #define CONFIG_SYS_BR5_PRELIM ((CONFIG_SYS_SPC1920_PLD_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
424 
425 /*
426  * Internal Definitions
427  *
428  * Boot Flags
429  */
430 #define	BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
431 #define BOOTFLAG_WARM	0x02		/* Software reboot			*/
432 
433 #endif	/* __CONFIG_H */
434