1 /*
2  * (C) Copyright 2006
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 /*
25  * board/config.h - configuration options, board specific
26  */
27 
28 #ifndef __CONFIG_H
29 #define __CONFIG_H
30 
31 /*
32  * High Level Configuration Options
33  * (easy to change)
34  */
35 
36 #define CONFIG_MPC8260		1	/* This is a MPC8260 CPU		*/
37 #define CONFIG_MPC8272_FAMILY   1
38 #define CONFIG_TQM8272		1
39 
40 #define	CONFIG_GET_CPU_STR_F	1	/* Get the CPU ID STR */
41 #define CONFIG_BOARD_GET_CPU_CLK_F	1 /* Get the CLKIN from board fct */
42 
43 #define	STK82xx_150		1	/* on a STK82xx.150 */
44 
45 #define CONFIG_CPM2		1	/* Has a CPM2 */
46 
47 #define CONFIG_82xx_CONS_SMC1	1	/* console on SMC1		*/
48 
49 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
50 
51 #define CONFIG_BOARD_EARLY_INIT_R	1
52 
53 #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
54 #define CONFIG_BAUDRATE		230400
55 #else
56 #define CONFIG_BAUDRATE		115200
57 #endif
58 
59 #define CONFIG_PREBOOT	"echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
60 
61 #undef	CONFIG_BOOTARGS
62 
63 #define	CONFIG_EXTRA_ENV_SETTINGS					\
64 	"netdev=eth0\0"							\
65 	"consdev=ttyCPM0\0"						\
66 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
67 		"nfsroot=${serverip}:${rootpath}\0"			\
68 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
69 	"hostname=tqm8272\0"						\
70 	"addip=setenv bootargs ${bootargs} "				\
71 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
72 		":${hostname}:${netdev}:off panic=1\0"			\
73 	"addcons=setenv bootargs ${bootargs} "				\
74 		"console=$(consdev),$(baudrate)\0"			\
75 	"flash_nfs=run nfsargs addip addcons;"				\
76 		"bootm ${kernel_addr}\0"				\
77 	"flash_self=run ramargs addip addcons;"				\
78 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
79 	"net_nfs=tftp 300000 ${bootfile};"				\
80 		"run nfsargs addip addcons;bootm\0"			\
81 	"rootpath=/opt/eldk/ppc_82xx\0"					\
82 	"bootfile=/tftpboot/tqm8272/uImage\0"				\
83 	"kernel_addr=40080000\0"					\
84 	"ramdisk_addr=40100000\0"					\
85 	"load=tftp 300000 /tftpboot/tqm8272/u-boot.bin\0"		\
86 	"update=protect off 40000000 4003ffff;era 40000000 4003ffff;"	\
87 		"cp.b 300000 40000000 40000;"			        \
88 		"setenv filesize;saveenv\0"				\
89 	"cphwib=cp.b 4003fc00 33fc00 400\0"				\
90 	"upd=run load cphwib update\0"					\
91 	""
92 #define CONFIG_BOOTCOMMAND	"run flash_self"
93 
94 #define CONFIG_I2C	1
95 
96 #if CONFIG_I2C
97 /* enable I2C and select the hardware/software driver */
98 #undef  CONFIG_HARD_I2C			/* I2C with hardware support	*/
99 #define CONFIG_SOFT_I2C		1	/* I2C bit-banged		*/
100 #define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed and slave address	*/
101 #define CONFIG_SYS_I2C_SLAVE		0x7F
102 
103 /*
104  * Software (bit-bang) I2C driver configuration
105  */
106 #define I2C_PORT	3		/* Port A=0, B=1, C=2, D=3 */
107 #define I2C_ACTIVE	(iop->pdir |=  0x00010000)
108 #define I2C_TRISTATE	(iop->pdir &= ~0x00010000)
109 #define I2C_READ	((iop->pdat & 0x00010000) != 0)
110 #define I2C_SDA(bit)	if(bit) iop->pdat |=  0x00010000; \
111 			else    iop->pdat &= ~0x00010000
112 #define I2C_SCL(bit)	if(bit) iop->pdat |=  0x00020000; \
113 			else    iop->pdat &= ~0x00020000
114 #define I2C_DELAY	udelay(5)	/* 1/4 I2C clock duration */
115 
116 #define CONFIG_I2C_X
117 
118 /* EEPROM */
119 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
120 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
121 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10	/* and takes up to 10 msec */
122 #define CONFIG_SYS_I2C_MULTI_EEPROMS		1	/* more than one eeprom */
123 
124 /* I2C RTC */
125 #define CONFIG_RTC_DS1337		/* Use ds1337 rtc via i2c	*/
126 #define CONFIG_SYS_I2C_RTC_ADDR	0x68	/* at address 0x68		*/
127 
128 /* I2C SYSMON (LM75) */
129 #define CONFIG_DTT_LM75		1		/* ON Semi's LM75	*/
130 #define CONFIG_DTT_SENSORS	{0}		/* Sensor addresses	*/
131 #define CONFIG_SYS_DTT_MAX_TEMP	70
132 #define CONFIG_SYS_DTT_LOW_TEMP	-30
133 #define CONFIG_SYS_DTT_HYSTERESIS	3
134 
135 #else
136 #undef CONFIG_HARD_I2C
137 #undef CONFIG_SOFT_I2C
138 #endif
139 
140 /*
141  * select serial console configuration
142  *
143  * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
144  * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
145  * for SCC).
146  *
147  * if CONFIG_CONS_NONE is defined, then the serial console routines must
148  * defined elsewhere (for example, on the cogent platform, there are serial
149  * ports on the motherboard which are used for the serial console - see
150  * cogent/cma101/serial.[ch]).
151  */
152 #define CONFIG_CONS_ON_SMC		/* define if console on SMC */
153 #undef  CONFIG_CONS_ON_SCC		/* define if console on SCC */
154 #undef  CONFIG_CONS_NONE		/* define if console on something else*/
155 #ifdef CONFIG_82xx_CONS_SMC1
156 #define CONFIG_CONS_INDEX	1	/* which serial channel for console */
157 #endif
158 #ifdef CONFIG_82xx_CONS_SMC2
159 #define CONFIG_CONS_INDEX	2	/* which serial channel for console */
160 #endif
161 
162 #undef  CONFIG_CONS_USE_EXTC		/* SMC/SCC use ext clock not brg_clk */
163 #define CONFIG_CONS_EXTC_RATE	3686400	/* SMC/SCC ext clk rate in Hz */
164 #define CONFIG_CONS_EXTC_PINSEL	0	/* pin select 0=CLK3/CLK9 */
165 
166 /*
167  * select ethernet configuration
168  *
169  * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
170  * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
171  * for FCC)
172  *
173  * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
174  * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
175  *
176  * (On TQM8272 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the
177  * X.29 connector, and FCC2 is hardwired to the X.1 connector)
178  */
179 #define CONFIG_SYS_FCC_ETHERNET
180 
181 #if defined(CONFIG_SYS_FCC_ETHERNET)
182 #undef	CONFIG_ETHER_ON_SCC		/* define if ether on SCC       */
183 #define	CONFIG_ETHER_ON_FCC		/* define if ether on FCC       */
184 #undef	CONFIG_ETHER_NONE		/* define if ether on something else */
185 #define	CONFIG_ETHER_INDEX    2		/* which SCC/FCC channel for ethernet */
186 #else
187 #define	CONFIG_ETHER_ON_SCC		/* define if ether on SCC       */
188 #undef	CONFIG_ETHER_ON_FCC		/* define if ether on FCC       */
189 #undef	CONFIG_ETHER_NONE		/* define if ether on something else */
190 #define	CONFIG_ETHER_INDEX    1		/* which SCC/FCC channel for ethernet */
191 #endif
192 
193 #if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
194 
195 /*
196  *  - RX clk is CLK11
197  *  - TX clk is CLK12
198  */
199 # define CONFIG_SYS_CMXSCR_VALUE	(CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)
200 
201 #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
202 
203 /*
204  * - Rx-CLK is CLK13
205  * - Tx-CLK is CLK14
206  * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
207  * - Enable Full Duplex in FSMR
208  */
209 # define CONFIG_SYS_CMXFCR_MASK	(CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
210 # define CONFIG_SYS_CMXFCR_VALUE	(CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
211 # define CONFIG_SYS_CPMFCR_RAMTYPE	0
212 # define CONFIG_SYS_FCC_PSMR		(FCC_PSMR_FDE|FCC_PSMR_LPB)
213 
214 #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
215 
216 #define CONFIG_MII			/* MII PHY management		*/
217 #define CONFIG_BITBANGMII		/* bit-bang MII PHY management	*/
218 /*
219  * GPIO pins used for bit-banged MII communications
220  */
221 #define MDIO_PORT	2		/* Port C */
222 #define MDIO_DECLARE	volatile ioport_t *iop = ioport_addr ( \
223 				(immap_t *) CONFIG_SYS_IMMR, MDIO_PORT )
224 #define MDC_DECLARE	MDIO_DECLARE
225 
226 #if STK82xx_150
227 #define CONFIG_SYS_MDIO_PIN	0x00008000	/* PC16 */
228 #define CONFIG_SYS_MDC_PIN	0x00004000	/* PC17 */
229 #endif
230 
231 #if STK82xx_100
232 #define CONFIG_SYS_MDIO_PIN	0x00000002	/* PC30 */
233 #define CONFIG_SYS_MDC_PIN	0x00000001	/* PC31 */
234 #endif
235 
236 #if 1
237 #define MDIO_ACTIVE	(iop->pdir |=  CONFIG_SYS_MDIO_PIN)
238 #define MDIO_TRISTATE	(iop->pdir &= ~CONFIG_SYS_MDIO_PIN)
239 #define MDIO_READ	((iop->pdat &  CONFIG_SYS_MDIO_PIN) != 0)
240 
241 #define MDIO(bit)	if(bit) iop->pdat |=  CONFIG_SYS_MDIO_PIN; \
242 			else	iop->pdat &= ~CONFIG_SYS_MDIO_PIN
243 
244 #define MDC(bit)	if(bit) iop->pdat |=  CONFIG_SYS_MDC_PIN; \
245 			else	iop->pdat &= ~CONFIG_SYS_MDC_PIN
246 #else
247 #define MDIO_ACTIVE	({unsigned long tmp; tmp = iop->pdir; tmp |=  CONFIG_SYS_MDIO_PIN; iop->pdir = tmp;})
248 #define MDIO_TRISTATE	({unsigned long tmp; tmp = iop->pdir; tmp &= ~CONFIG_SYS_MDIO_PIN; iop->pdir = tmp;})
249 #define MDIO_READ	((iop->pdat &  CONFIG_SYS_MDIO_PIN) != 0)
250 
251 #define MDIO(bit)	if(bit) {unsigned long tmp; tmp = iop->pdat; tmp |=  CONFIG_SYS_MDIO_PIN; iop->pdat = tmp;}\
252 			else	{unsigned long tmp; tmp = iop->pdat; tmp &= ~CONFIG_SYS_MDIO_PIN; iop->pdat = tmp;}
253 
254 #define MDC(bit)	if(bit) {unsigned long tmp; tmp = iop->pdat; tmp |=  CONFIG_SYS_MDC_PIN; iop->pdat = tmp;}\
255 			else	{unsigned long tmp; tmp = iop->pdat; tmp &= ~CONFIG_SYS_MDC_PIN; iop->pdat = tmp;}
256 #endif
257 
258 #define MIIDELAY	udelay(1)
259 
260 
261 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
262 #define CONFIG_8260_CLKIN	66666666	/* in Hz */
263 
264 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
265 #undef	CONFIG_SYS_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/
266 
267 #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
268 
269 #define	CONFIG_TIMESTAMP		/* Print image info with timestamp */
270 
271 /*
272  * BOOTP options
273  */
274 #define CONFIG_BOOTP_SUBNETMASK
275 #define CONFIG_BOOTP_GATEWAY
276 #define CONFIG_BOOTP_HOSTNAME
277 #define CONFIG_BOOTP_BOOTPATH
278 #define CONFIG_BOOTP_BOOTFILESIZE
279 
280 
281 /*
282  * Command line configuration.
283  */
284 #include <config_cmd_default.h>
285 
286 #define CONFIG_CMD_I2C
287 #define CONFIG_CMD_DHCP
288 #define CONFIG_CMD_MII
289 #define CONFIG_CMD_NAND
290 #define CONFIG_CMD_NFS
291 #define CONFIG_CMD_PCI
292 #define CONFIG_CMD_PING
293 #define CONFIG_CMD_SNTP
294 
295 #if CONFIG_I2C
296     #define CONFIG_CMD_I2C
297     #define CONFIG_CMD_DATE
298     #define CONFIG_CMD_DTT
299     #define CONFIG_CMD_EEPROM
300 #endif
301 
302 
303 /*
304  * Miscellaneous configurable options
305  */
306 #define	CONFIG_SYS_LONGHELP			/* undef to save memory		*/
307 #define	CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt	*/
308 
309 #if 0
310 #define CONFIG_CMDLINE_EDITING	1	/* add command line history	*/
311 #define CONFIG_SYS_HUSH_PARSER		1	/* Use the HUSH parser		*/
312 #ifdef	CONFIG_SYS_HUSH_PARSER
313 #define	CONFIG_SYS_PROMPT_HUSH_PS2	"> "
314 #endif
315 #endif
316 
317 #if defined(CONFIG_CMD_KGDB)
318 #define	CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size	*/
319 #else
320 #define	CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size	*/
321 #endif
322 #define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
323 #define	CONFIG_SYS_MAXARGS	16		/* max number of command args	*/
324 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
325 
326 #define CONFIG_SYS_MEMTEST_START	0x0400000	/* memtest works on	*/
327 #define CONFIG_SYS_MEMTEST_END	0x0C00000	/* 4 ... 12 MB in DRAM	*/
328 
329 #define	CONFIG_SYS_LOAD_ADDR	0x300000	/* default load address	*/
330 
331 #define	CONFIG_SYS_HZ		1000		/* decrementer freq: 1 ms ticks	*/
332 
333 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
334 
335 #define	CONFIG_SYS_RESET_ADDRESS 0x40000104	/* "bad" address		*/
336 
337 /*
338  * For booting Linux, the board info and command line data
339  * have to be in the first 8 MB of memory, since this is
340  * the maximum mapped by the Linux kernel during initialization.
341  */
342 #define CONFIG_SYS_BOOTMAPSZ        (8 << 20)       /* Initial Memory map for Linux */
343 
344 /*-----------------------------------------------------------------------
345  * CAN stuff
346  *-----------------------------------------------------------------------
347  */
348 #define CONFIG_SYS_CAN_BASE	0x51000000
349 #define	CONFIG_SYS_CAN_SIZE	1
350 #define CONFIG_SYS_CAN_BR	((CONFIG_SYS_CAN_BASE & BRx_BA_MSK)	|\
351 			 BRx_PS_8			|\
352 			 BRx_MS_UPMC			|\
353 			 BRx_V)
354 
355 #define CONFIG_SYS_CAN_OR	(MEG_TO_AM(CONFIG_SYS_CAN_SIZE)	|\
356 			 ORxU_BI)
357 
358 
359 /* What should the base address of the main FLASH be and how big is
360  * it (in MBytes)? This must contain TEXT_BASE from board/tqm8272/config.mk
361  * The main FLASH is whichever is connected to *CS0.
362  */
363 #define CONFIG_SYS_FLASH0_BASE 0x40000000
364 #define CONFIG_SYS_FLASH0_SIZE 32	/* 32 MB */
365 
366 /* Flash bank size (for preliminary settings)
367  */
368 #define CONFIG_SYS_FLASH_SIZE CONFIG_SYS_FLASH0_SIZE
369 
370 /*-----------------------------------------------------------------------
371  * FLASH organization
372  */
373 #define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max num of memory banks      */
374 #define CONFIG_SYS_MAX_FLASH_SECT	128	/* max num of sects on one chip */
375 
376 #define CONFIG_SYS_FLASH_CFI				/* flash is CFI compat.	*/
377 #define CONFIG_FLASH_CFI_DRIVER			/* Use common CFI driver*/
378 #define CONFIG_SYS_FLASH_EMPTY_INFO		/* print 'E' for empty sector	*/
379 #define CONFIG_SYS_FLASH_QUIET_TEST	1	/* don't warn upon unknown flash*/
380 
381 #define CONFIG_SYS_FLASH_ERASE_TOUT	240000	/* Flash Erase Timeout (in ms)  */
382 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (in ms)  */
383 
384 #define CONFIG_SYS_UPDATE_FLASH_SIZE
385 
386 #define CONFIG_ENV_IS_IN_FLASH	1
387 #define CONFIG_ENV_ADDR		(CONFIG_SYS_FLASH_BASE + 0x40000)
388 #define CONFIG_ENV_SIZE		0x20000
389 #define CONFIG_ENV_SECT_SIZE	0x20000
390 #define CONFIG_ENV_ADDR_REDUND	(CONFIG_ENV_ADDR + CONFIG_ENV_SIZE)
391 #define CONFIG_ENV_SIZE_REDUND	0x20000
392 
393 /* Where is the Hardwareinformation Block (from Monitor Sources) */
394 #define MON_RES_LENGTH		(0x0003FC00)
395 #define HWIB_INFO_START_ADDR    (CONFIG_SYS_FLASH_BASE + MON_RES_LENGTH)
396 #define HWIB_INFO_LEN           512
397 #define CIB_INFO_START_ADDR     (CONFIG_SYS_FLASH_BASE + MON_RES_LENGTH + HWIB_INFO_LEN)
398 #define CIB_INFO_LEN            512
399 
400 #define CONFIG_SYS_HWINFO_OFFSET	0x3fc00	/* offset of HW Info block */
401 #define CONFIG_SYS_HWINFO_SIZE		0x00000060	/* size   of HW Info block */
402 #define CONFIG_SYS_HWINFO_MAGIC	0x54514D38	/* 'TQM8' */
403 
404 /*-----------------------------------------------------------------------
405  * NAND-FLASH stuff
406  *-----------------------------------------------------------------------
407  */
408 #if defined(CONFIG_CMD_NAND)
409 
410 #define CONFIG_SYS_NAND_CS_DIST		0x80
411 #define CONFIG_SYS_NAND_UPM_WRITE_CMD_OFS	0x20
412 #define CONFIG_SYS_NAND_UPM_WRITE_ADDR_OFS	0x40
413 
414 #define CONFIG_SYS_NAND_BR	((CONFIG_SYS_NAND0_BASE & BRx_BA_MSK)	|\
415 			 BRx_PS_8			|\
416 			 BRx_MS_UPMB			|\
417 			 BRx_V)
418 
419 #define CONFIG_SYS_NAND_OR	(MEG_TO_AM(CONFIG_SYS_NAND_SIZE)	|\
420 			 ORxU_BI			|\
421 			 ORxU_EHTR_8IDLE)
422 
423 #define CONFIG_SYS_NAND_SIZE	1
424 #define CONFIG_SYS_NAND0_BASE 0x50000000
425 #define CONFIG_SYS_NAND1_BASE (CONFIG_SYS_NAND0_BASE + CONFIG_SYS_NAND_CS_DIST)
426 #define CONFIG_SYS_NAND2_BASE (CONFIG_SYS_NAND1_BASE + CONFIG_SYS_NAND_CS_DIST)
427 #define CONFIG_SYS_NAND3_BASE (CONFIG_SYS_NAND2_BASE + CONFIG_SYS_NAND_CS_DIST)
428 
429 #define CONFIG_SYS_MAX_NAND_DEVICE     4       /* Max number of NAND devices           */
430 
431 #define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND0_BASE, \
432 			     CONFIG_SYS_NAND1_BASE, \
433 			     CONFIG_SYS_NAND2_BASE, \
434 			     CONFIG_SYS_NAND3_BASE, \
435 			   }
436 
437 #define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)(adr)) = (__u8)d; } while(0)
438 #define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)(adr)))
439 #define WRITE_NAND_UPM(d, adr, off) do \
440 { \
441 	volatile unsigned char *addr = (unsigned char *) (adr + off); \
442 	WRITE_NAND(d, addr); \
443 } while(0)
444 
445 #endif /* CONFIG_CMD_NAND */
446 
447 #define	CONFIG_PCI
448 #ifdef CONFIG_PCI
449 #define CONFIG_BOARD_EARLY_INIT_F 1	/* Call board_early_init_f	*/
450 #define CONFIG_PCI_PNP
451 #define CONFIG_EEPRO100
452 #define CONFIG_SYS_RX_ETH_BUFFER	8		/* use 8 rx buffer on eepro100	*/
453 #define CONFIG_PCI_SCAN_SHOW
454 #endif
455 
456 /*-----------------------------------------------------------------------
457  * Hard Reset Configuration Words
458  *
459  * if you change bits in the HRCW, you must also change the CONFIG_SYS_*
460  * defines for the various registers affected by the HRCW e.g. changing
461  * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR.
462  */
463 #if 0
464 #define	__HRCW__ALL__		(HRCW_CIP | HRCW_ISB111 | HRCW_BMS)
465 
466 #  define CONFIG_SYS_HRCW_MASTER	(__HRCW__ALL__ | HRCW_MODCK_H0111)
467 #else
468 #define CONFIG_SYS_HRCW_MASTER	(HRCW_BPS11 | HRCW_ISB111 | HRCW_BMS | HRCW_MODCK_H0111)
469 #endif
470 
471 /* no slaves so just fill with zeros */
472 #define CONFIG_SYS_HRCW_SLAVE1		0
473 #define CONFIG_SYS_HRCW_SLAVE2		0
474 #define CONFIG_SYS_HRCW_SLAVE3		0
475 #define CONFIG_SYS_HRCW_SLAVE4		0
476 #define CONFIG_SYS_HRCW_SLAVE5		0
477 #define CONFIG_SYS_HRCW_SLAVE6		0
478 #define CONFIG_SYS_HRCW_SLAVE7		0
479 
480 /*-----------------------------------------------------------------------
481  * Internal Memory Mapped Register
482  */
483 #define CONFIG_SYS_IMMR		0xFFF00000
484 
485 /*-----------------------------------------------------------------------
486  * Definitions for initial stack pointer and data area (in DPRAM)
487  */
488 #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_IMMR
489 #define CONFIG_SYS_INIT_RAM_END	0x2000  /* End of used area in DPRAM    */
490 #define CONFIG_SYS_GBL_DATA_SIZE	128 /* size in bytes reserved for initial data*/
491 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
492 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
493 
494 /*-----------------------------------------------------------------------
495  * Start addresses for the final memory configuration
496  * (Set up by the startup code)
497  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
498  */
499 #define CONFIG_SYS_SDRAM_BASE		0x00000000
500 #define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_FLASH0_BASE
501 #define CONFIG_SYS_MONITOR_BASE	TEXT_BASE
502 #define CONFIG_SYS_MONITOR_LEN		(192 << 10)	/* Reserve 192 kB for Monitor */
503 #define CONFIG_SYS_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()*/
504 
505 /*
506  * Internal Definitions
507  *
508  * Boot Flags
509  */
510 #define BOOTFLAG_COLD		0x01	/* Normal Power-On: Boot from FLASH*/
511 #define BOOTFLAG_WARM		0x02	/* Software reboot                 */
512 
513 /*-----------------------------------------------------------------------
514  * Cache Configuration
515  */
516 #define CONFIG_SYS_CACHELINE_SIZE      32      /* For MPC8260 CPU              */
517 #if defined(CONFIG_CMD_KGDB)
518 # define CONFIG_SYS_CACHELINE_SHIFT	5	/* log base 2 of the above value */
519 #endif
520 
521 /*-----------------------------------------------------------------------
522  * HIDx - Hardware Implementation-dependent Registers                    2-11
523  *-----------------------------------------------------------------------
524  * HID0 also contains cache control - initially enable both caches and
525  * invalidate contents, then the final state leaves only the instruction
526  * cache enabled. Note that Power-On and Hard reset invalidate the caches,
527  * but Soft reset does not.
528  *
529  * HID1 has only read-only information - nothing to set.
530  */
531 #define CONFIG_SYS_HID0_INIT   (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
532 				HID0_IFEM|HID0_ABE)
533 #define CONFIG_SYS_HID0_FINAL  (HID0_IFEM|HID0_ABE)
534 #define CONFIG_SYS_HID2        0
535 
536 /*-----------------------------------------------------------------------
537  * RMR - Reset Mode Register                                     5-5
538  *-----------------------------------------------------------------------
539  * turn on Checkstop Reset Enable
540  */
541 #define CONFIG_SYS_RMR         RMR_CSRE
542 
543 /*-----------------------------------------------------------------------
544  * BCR - Bus Configuration                                       4-25
545  *-----------------------------------------------------------------------
546  */
547 #define CONFIG_SYS_BCR_60x         (BCR_EBM|BCR_NPQM0|BCR_NPQM2)	/* 60x mode  */
548 #define BCR_APD01	0x10000000
549 #define CONFIG_SYS_BCR_SINGLE		(BCR_APD01|BCR_ETM)	/* 8260 mode */
550 
551 /*-----------------------------------------------------------------------
552  * SIUMCR - SIU Module Configuration                             4-31
553  *-----------------------------------------------------------------------
554  */
555 #if defined(CONFIG_BOARD_GET_CPU_CLK_F)
556 #define CONFIG_SYS_SIUMCR_LOW		(SIUMCR_DPPC00)
557 #define CONFIG_SYS_SIUMCR_HIGH		(SIUMCR_DPPC00 | SIUMCR_ABE)
558 #else
559 #define CONFIG_SYS_SIUMCR		(SIUMCR_DPPC00)
560 #endif
561 
562 /*-----------------------------------------------------------------------
563  * SYPCR - System Protection Control                             4-35
564  * SYPCR can only be written once after reset!
565  *-----------------------------------------------------------------------
566  * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
567  */
568 #if defined(CONFIG_WATCHDOG)
569 #define CONFIG_SYS_SYPCR       (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
570 			 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
571 #else
572 #define CONFIG_SYS_SYPCR       (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
573 			 SYPCR_SWRI|SYPCR_SWP)
574 #endif /* CONFIG_WATCHDOG */
575 
576 /*-----------------------------------------------------------------------
577  * TMCNTSC - Time Counter Status and Control                     4-40
578  *-----------------------------------------------------------------------
579  * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
580  * and enable Time Counter
581  */
582 #define CONFIG_SYS_TMCNTSC     (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
583 
584 /*-----------------------------------------------------------------------
585  * PISCR - Periodic Interrupt Status and Control                 4-42
586  *-----------------------------------------------------------------------
587  * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
588  * Periodic timer
589  */
590 #define CONFIG_SYS_PISCR       (PISCR_PS|PISCR_PTF|PISCR_PTE)
591 
592 /*-----------------------------------------------------------------------
593  * SCCR - System Clock Control                                   9-8
594  *-----------------------------------------------------------------------
595  * Ensure DFBRG is Divide by 16
596  */
597 #define CONFIG_SYS_SCCR        SCCR_DFBRG01
598 
599 /*-----------------------------------------------------------------------
600  * RCCR - RISC Controller Configuration                         13-7
601  *-----------------------------------------------------------------------
602  */
603 #define CONFIG_SYS_RCCR        0
604 
605 /*
606  * Init Memory Controller:
607  *
608  * Bank Bus     Machine PortSz  Device
609  * ---- ---     ------- ------  ------
610  *  0   60x     GPCM    32 bit  FLASH
611  *  1   60x     SDRAM   64 bit  SDRAM
612  *  2   60x	UPMB	 8 bit	NAND
613  *  3   60x	UPMC	 8 bit	CAN
614  *
615  */
616 
617 /* Initialize SDRAM
618 	 */
619 #undef CONFIG_SYS_INIT_LOCAL_SDRAM		/* No SDRAM on Local Bus */
620 
621 #define SDRAM_MAX_SIZE	0x20000000	/* max. 512 MB		*/
622 
623 /* Minimum mask to separate preliminary
624  * address ranges for CS[0:2]
625  */
626 #define CONFIG_SYS_GLOBAL_SDRAM_LIMIT	(512<<20)	/* less than 512 MB */
627 
628 #define CONFIG_SYS_MPTPR       0x4000
629 
630 /*-----------------------------------------------------------------------------
631  * Address for Mode Register Set (MRS) command
632  *-----------------------------------------------------------------------------
633  * In fact, the address is rather configuration data presented to the SDRAM on
634  * its address lines. Because the address lines may be mux'ed externally either
635  * for 8 column or 9 column devices, some bits appear twice in the 8260's
636  * address:
637  *
638  * |   (RFU)   |   (RFU)   | WBL |    TM    |     CL    |  BT | Burst Length |
639  * | BA1   BA0 | A12 : A10 |  A9 |  A8   A7 |  A6 : A4  |  A3 |   A2 :  A0   |
640  *  8 columns mux'ing:     |  A9 | A10  A21 | A22 : A24 | A25 |  A26 : A28   |
641  *  9 columns mux'ing:     |  A8 | A20  A21 | A22 : A24 | A25 |  A26 : A28   |
642  *  Settings:              |  0  |  0    0  |  0  1  0  |  0  |   0  1  0    |
643  *-----------------------------------------------------------------------------
644  */
645 #define CONFIG_SYS_MRS_OFFS	0x00000110
646 
647 /* Bank 0 - FLASH
648  */
649 #define CONFIG_SYS_BR0_PRELIM  ((CONFIG_SYS_FLASH_BASE & BRx_BA_MSK)  |\
650 			 BRx_PS_32                      |\
651 			 BRx_MS_GPCM_P                  |\
652 			 BRx_V)
653 
654 #define CONFIG_SYS_OR0_PRELIM  (MEG_TO_AM(CONFIG_SYS_FLASH_SIZE)      |\
655 			 ORxG_CSNT                      |\
656 			 ORxG_ACS_DIV4                  |\
657 			 ORxG_SCY_8_CLK                 |\
658 			 ORxG_TRLX)
659 
660 /* SDRAM on TQM8272 can have either 8 or 9 columns.
661  * The number affects configuration values.
662  */
663 
664 /* Bank 1 - 60x bus SDRAM
665  */
666 #define CONFIG_SYS_PSRT        0x20	/* Low Value */
667 /* #define CONFIG_SYS_PSRT        0x10	 Fast Value */
668 #define CONFIG_SYS_LSRT        0x20	/* Local Bus */
669 #ifndef CONFIG_SYS_RAMBOOT
670 #define CONFIG_SYS_BR1_PRELIM  ((CONFIG_SYS_SDRAM_BASE & BRx_BA_MSK)  |\
671 			 BRx_PS_64                      |\
672 			 BRx_MS_SDRAM_P                 |\
673 			 BRx_V)
674 
675 #define CONFIG_SYS_OR1_PRELIM	CONFIG_SYS_OR1_8COL
676 
677 /* SDRAM initialization values for 8-column chips
678  */
679 #define CONFIG_SYS_OR1_8COL    ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
680 			 ORxS_BPD_4                     |\
681 			 ORxS_ROWST_PBI1_A7             |\
682 			 ORxS_NUMR_12)
683 
684 #define CONFIG_SYS_PSDMR_8COL  (PSDMR_PBI                      |\
685 			 PSDMR_SDAM_A15_IS_A5           |\
686 			 PSDMR_BSMA_A12_A14             |\
687 			 PSDMR_SDA10_PBI1_A8            |\
688 			 PSDMR_RFRC_7_CLK               |\
689 			 PSDMR_PRETOACT_2W              |\
690 			 PSDMR_ACTTORW_2W               |\
691 			 PSDMR_LDOTOPRE_1C              |\
692 			 PSDMR_WRC_2C                   |\
693 			 PSDMR_EAMUX                    |\
694 			 PSDMR_BUFCMD			|\
695 			 PSDMR_CL_2)
696 
697 
698 /* SDRAM initialization values for 9-column chips
699  */
700 #define CONFIG_SYS_OR1_9COL    ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
701 			 ORxS_BPD_4                     |\
702 			 ORxS_ROWST_PBI1_A5             |\
703 			 ORxS_NUMR_13)
704 
705 #define CONFIG_SYS_PSDMR_9COL  (PSDMR_PBI                      |\
706 			 PSDMR_SDAM_A16_IS_A5           |\
707 			 PSDMR_BSMA_A12_A14             |\
708 			 PSDMR_SDA10_PBI1_A7            |\
709 			 PSDMR_RFRC_7_CLK               |\
710 			 PSDMR_PRETOACT_2W              |\
711 			 PSDMR_ACTTORW_2W               |\
712 			 PSDMR_LDOTOPRE_1C              |\
713 			 PSDMR_WRC_2C                   |\
714 			 PSDMR_EAMUX                    |\
715 			 PSDMR_BUFCMD			|\
716 			 PSDMR_CL_2)
717 
718 #define CONFIG_SYS_OR1_10COL    ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
719 			 ORxS_BPD_4                     |\
720 			 ORxS_ROWST_PBI1_A4             |\
721 			 ORxS_NUMR_13)
722 
723 #define CONFIG_SYS_PSDMR_10COL  (PSDMR_PBI                      |\
724 			 PSDMR_SDAM_A17_IS_A5           |\
725 			 PSDMR_BSMA_A12_A14             |\
726 			 PSDMR_SDA10_PBI1_A4            |\
727 			 PSDMR_RFRC_6_CLK               |\
728 			 PSDMR_PRETOACT_2W              |\
729 			 PSDMR_ACTTORW_2W               |\
730 			 PSDMR_LDOTOPRE_1C              |\
731 			 PSDMR_WRC_2C                   |\
732 			 PSDMR_EAMUX                    |\
733 			 PSDMR_BUFCMD			|\
734 			 PSDMR_CL_2)
735 
736 #define PSDMR_RFRC_66MHZ_SINGLE         0x00028000  /* PSDMR[RFRC] at 66 MHz single mode */
737 #define PSDMR_RFRC_100MHZ_SINGLE        0x00030000  /* PSDMR[RFRC] at 100 MHz single mode */
738 #define PSDMR_RFRC_133MHZ_SINGLE        0x00030000  /* PSDMR[RFRC] at 133 MHz single mode */
739 #define PSDMR_RFRC_66MHZ_60X            0x00030000  /* PSDMR[RFRC] at 66 MHz 60x mode */
740 #define PSDMR_RFRC_100MHZ_60X           0x00028000  /* PSDMR[RFRC] at 100 MHz 60x mode */
741 #define PSDMR_RFRC_DEFAULT              PSDMR_RFRC_133MHZ_SINGLE  /* PSDMR[RFRC] default value */
742 
743 #define PSDMR_PRETOACT_66MHZ_SINGLE     0x00002000  /* PSDMR[PRETOACT] at 66 MHz single mode */
744 #define PSDMR_PRETOACT_100MHZ_SINGLE    0x00002000  /* PSDMR[PRETOACT] at 100 MHz single mode */
745 #define PSDMR_PRETOACT_133MHZ_SINGLE    0x00002000  /* PSDMR[PRETOACT] at 133 MHz single mode */
746 #define PSDMR_PRETOACT_66MHZ_60X        0x00001000  /* PSDMR[PRETOACT] at 66 MHz 60x mode */
747 #define PSDMR_PRETOACT_100MHZ_60X       0x00001000  /* PSDMR[PRETOACT] at 100 MHz 60x mode */
748 #define PSDMR_PRETOACT_DEFAULT          PSDMR_PRETOACT_133MHZ_SINGLE  /* PSDMR[PRETOACT] default value */
749 
750 #define PSDMR_WRC_66MHZ_SINGLE          0x00000020  /* PSDMR[WRC] at 66 MHz single mode */
751 #define PSDMR_WRC_100MHZ_SINGLE         0x00000020  /* PSDMR[WRC] at 100 MHz single mode */
752 #define PSDMR_WRC_133MHZ_SINGLE         0x00000010  /* PSDMR[WRC] at 133 MHz single mode */
753 #define PSDMR_WRC_66MHZ_60X             0x00000010  /* PSDMR[WRC] at 66 MHz 60x mode */
754 #define PSDMR_WRC_100MHZ_60X            0x00000010  /* PSDMR[WRC] at 100 MHz 60x mode */
755 #define PSDMR_WRC_DEFAULT               PSDMR_WRC_133MHZ_SINGLE  /* PSDMR[WRC] default value */
756 
757 #define PSDMR_BUFCMD_66MHZ_SINGLE       0x00000000  /* PSDMR[BUFCMD] at 66 MHz single mode */
758 #define PSDMR_BUFCMD_100MHZ_SINGLE      0x00000000  /* PSDMR[BUFCMD] at 100 MHz single mode */
759 #define PSDMR_BUFCMD_133MHZ_SINGLE      0x00000004  /* PSDMR[BUFCMD] at 133 MHz single mode */
760 #define PSDMR_BUFCMD_66MHZ_60X          0x00000000  /* PSDMR[BUFCMD] at 66 MHz 60x mode */
761 #define PSDMR_BUFCMD_100MHZ_60X         0x00000000  /* PSDMR[BUFCMD] at 100 MHz 60x mode */
762 #define PSDMR_BUFCMD_DEFAULT            PSDMR_BUFCMD_133MHZ_SINGLE  /* PSDMR[BUFCMD] default value */
763 
764 #endif /* CONFIG_SYS_RAMBOOT */
765 
766 #endif	/* __CONFIG_H */
767