1 /*
2  * (C) Copyright 2001
3  * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
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 #ifndef __ASSEMBLY__
32 #include <galileo/core.h>
33 #endif
34 
35 #include "../board/evb64260/local.h"
36 
37 /*
38  * High Level Configuration Options
39  * (easy to change)
40  */
41 
42 #define CONFIG_P3G4		1	/* this is a P3G4  board	*/
43 #define CONFIG_SYS_GT_6426x        GT_64260 /* with a 64260 system controller */
44 
45 #define CONFIG_BAUDRATE		115200	/* console baudrate = 115200	*/
46 
47 #undef	CONFIG_ECC			/* enable ECC support */
48 /* #define CONFIG_EVB64260_750CX  1 */      /* Support the EVB-64260-750CX Board */
49 
50 /* which initialization functions to call for this board */
51 #define CONFIG_MISC_INIT_R	1
52 #define CONFIG_BOARD_EARLY_INIT_F 1
53 
54 #define CONFIG_SYS_BOARD_NAME		"P3G4"
55 
56 #undef CONFIG_SYS_HUSH_PARSER
57 #define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
58 
59 /*
60  * The following defines let you select what serial you want to use
61  * for your console driver.
62  *
63  * to use the MPSC, #define CONFIG_MPSC.  If you have wired up another
64  * mpsc channel, change CONFIG_MPSC_PORT to the desired value.
65  */
66 #define	CONFIG_MPSC
67 #define CONFIG_MPSC_PORT	0
68 
69 #define CONFIG_NET_MULTI        /* attempt all available adapters */
70 
71 /* define this if you want to enable GT MAC filtering */
72 #define CONFIG_GT_USE_MAC_HASH_TABLE
73 
74 #undef CONFIG_ETHER_PORT_MII	/* use RMII */
75 
76 #if 0
77 #define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
78 #else
79 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
80 #endif
81 #define CONFIG_ZERO_BOOTDELAY_CHECK
82 
83 #define CONFIG_PREBOOT	"echo;"	\
84 	"echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
85 	"echo"
86 
87 #undef	CONFIG_BOOTARGS
88 
89 #define	CONFIG_EXTRA_ENV_SETTINGS					\
90 	"netdev=eth0\0"							\
91 	"hostname=p3g4\0"						\
92 	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
93 		"nfsroot=${serverip}:${rootpath}\0"			\
94 	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
95 	"addip=setenv bootargs ${bootargs} "				\
96 		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
97 		":${hostname}:${netdev}:off panic=1\0"			\
98 	"addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
99 	"flash_nfs=run nfsargs addip addtty;"				\
100 		"bootm ${kernel_addr}\0"				\
101 	"flash_self=run ramargs addip addtty;"				\
102 		"bootm ${kernel_addr} ${ramdisk_addr}\0"		\
103 	"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;"     \
104 	        "bootm\0"						\
105 	"rootpath=/opt/eldk/ppc_74xx\0"					\
106 	"bootfile=/tftpboot/p3g4/uImage\0"				\
107 	"kernel_addr=ff000000\0"					\
108 	"ramdisk_addr=ff010000\0"					\
109 	"load=tftp 100000 /tftpboot/p3g4/u-boot.bin\0"			\
110 	"update=protect off fff00000 fff3ffff;era fff00000 fff3ffff;"	\
111 		"cp.b 100000 fff00000 ${filesize};"			\
112 		"setenv filesize;saveenv\0"				\
113 	"upd=run load update\0"						\
114 	""
115 #define CONFIG_BOOTCOMMAND	"run flash_self"
116 
117 #define CONFIG_LOADS_ECHO	0	/* echo off for serial download	*/
118 #define	CONFIG_SYS_LOADS_BAUD_CHANGE		/* allow baudrate changes	*/
119 
120 #undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
121 #undef	CONFIG_ALTIVEC                  /* undef to disable             */
122 
123 /*
124  * BOOTP options
125  */
126 #define CONFIG_BOOTP_SUBNETMASK
127 #define CONFIG_BOOTP_GATEWAY
128 #define CONFIG_BOOTP_HOSTNAME
129 #define CONFIG_BOOTP_BOOTPATH
130 #define CONFIG_BOOTP_BOOTFILESIZE
131 
132 
133 #define	CONFIG_TIMESTAMP		/* Print image info with timestamp */
134 
135 
136 /*
137  * Command line configuration.
138  */
139 #include <config_cmd_default.h>
140 
141 #define CONFIG_CMD_ASKENV
142 #define CONFIG_CMD_DHCP
143 #define CONFIG_CMD_PCI
144 #define CONFIG_CMD_ELF
145 #define CONFIG_CMD_MII
146 #define CONFIG_CMD_PING
147 #define CONFIG_CMD_UNIVERSE
148 #define CONFIG_CMD_BSP
149 
150 
151 /*
152  * Miscellaneous configurable options
153  */
154 #define	CONFIG_SYS_LONGHELP			/* undef to save memory		*/
155 #define	CONFIG_SYS_PROMPT	"=> "		/* Monitor Command Prompt	*/
156 #if defined(CONFIG_CMD_KGDB)
157 #define	CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size	*/
158 #else
159 #define	CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size	*/
160 #endif
161 #define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
162 #define	CONFIG_SYS_MAXARGS	16		/* max number of command args	*/
163 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
164 
165 #define CONFIG_SYS_MEMTEST_START	0x00400000	/* memtest works on	*/
166 #define CONFIG_SYS_MEMTEST_END		0x00C00000	/* 4 ... 12 MB in DRAM	*/
167 
168 #define	CONFIG_SYS_LOAD_ADDR		0x00300000	/* default load address	*/
169 
170 #define	CONFIG_SYS_HZ			1000		/* decr freq: 1ms ticks	*/
171 #define CONFIG_SYS_BUS_HZ		133000000	/* 133 MHz		*/
172 #define CONFIG_SYS_BUS_CLK		CONFIG_SYS_BUS_HZ
173 
174 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
175 
176 
177 /*
178  * Low Level Configuration Settings
179  * (address mappings, register initial values, etc.)
180  * You should know what you are doing if you make changes here.
181  */
182 
183 /*-----------------------------------------------------------------------
184  * Definitions for initial stack pointer and data area
185  */
186 #define CONFIG_SYS_INIT_RAM_ADDR	0x40000000
187 #define	CONFIG_SYS_INIT_RAM_END	0x1000
188 #define	CONFIG_SYS_GBL_DATA_SIZE	128  /* size in bytes reserved for init data */
189 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
190 #define CONFIG_SYS_INIT_RAM_LOCK
191 
192 
193 /*-----------------------------------------------------------------------
194  * Start addresses for the final memory configuration
195  * (Set up by the startup code)
196  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
197  */
198 #define	CONFIG_SYS_SDRAM_BASE		0x00000000
199 #define CONFIG_SYS_FLASH_BASE		0xff000000
200 #define CONFIG_SYS_RESET_ADDRESS	0xfff00100
201 #define	CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor */
202 #define CONFIG_SYS_MONITOR_BASE	TEXT_BASE
203 #define	CONFIG_SYS_MALLOC_LEN		(256 << 10)	/* Reserve 256 kB for malloc */
204 
205 /* areas to map different things with the GT in physical space */
206 #define CONFIG_SYS_DRAM_BANKS		1
207 #define CONFIG_SYS_DFL_GT_REGS		0x14000000	/* boot time GT_REGS */
208 
209 /* What to put in the bats. */
210 #define CONFIG_SYS_MISC_REGION_BASE	0xf0000000
211 
212 /* Peripheral Device section */
213 #define CONFIG_SYS_GT_REGS		0xf8000000
214 #define CONFIG_SYS_DEV_BASE		0xff000000
215 
216 #define CONFIG_SYS_DEV0_SPACE		CONFIG_SYS_DEV_BASE
217 #define CONFIG_SYS_DEV1_SPACE		(CONFIG_SYS_DEV0_SPACE + CONFIG_SYS_DEV0_SIZE)
218 #define CONFIG_SYS_DEV2_SPACE		(CONFIG_SYS_DEV1_SPACE + CONFIG_SYS_DEV1_SIZE)
219 #define CONFIG_SYS_DEV3_SPACE		(CONFIG_SYS_DEV2_SPACE + CONFIG_SYS_DEV2_SIZE)
220 
221 #define CONFIG_SYS_DEV0_SIZE		 _8M /* Flash bank */
222 #define CONFIG_SYS_DEV1_SIZE		 0   /* unused */
223 #define CONFIG_SYS_DEV2_SIZE		 0   /* unused */
224 #define CONFIG_SYS_DEV3_SIZE		 0   /* unused */
225 
226 #define CONFIG_SYS_16BIT_BOOT_PAR	0xc01b5e7c
227 #define CONFIG_SYS_DEV0_PAR		CONFIG_SYS_16BIT_BOOT_PAR
228 
229 #if 0 /* Wrong?? NTL */
230 #define CONFIG_SYS_MPP_CONTROL_0	0x53541717	/* InitAct EOT[4] DBurst TCEn[1] */
231 						/* DMAAck[1:0] GNT0[1:0] */
232 #else
233 #define CONFIG_SYS_MPP_CONTROL_0	0x53547777	/* InitAct EOT[4] DBurst TCEn[1] */
234 						/* REQ0[1:0] GNT0[1:0] */
235 #endif
236 #define CONFIG_SYS_MPP_CONTROL_1	0x44009911	/* TCEn[4] TCTcnt[4] GPP[13:12] */
237 						/* DMAReq[4] DMAAck[4] WDNMI WDE */
238 #if 0 /* Wrong?? NTL */
239 #define CONFIG_SYS_MPP_CONTROL_2	0x40091818	/* TCTcnt[0] GPP[22:21] BClkIn */
240 						/* DMAAck[1:0] GNT1[1:0] */
241 #else
242 #define CONFIG_SYS_MPP_CONTROL_2	0x40098888	/* TCTcnt[0] */
243 						/* GPP[22] (RS232IntB or PCI1Int) */
244 						/* GPP[21] (RS323IntA) */
245 						/* BClkIn */
246 						/* REQ1[1:0] GNT1[1:0] */
247 #endif
248 
249 #if 0 /* Wrong?? NTL */
250 # define CONFIG_SYS_MPP_CONTROL_3	0x00090066	/* GPP[31:29] BClkOut0 */
251 						/* GPP[27:26] Int[1:0] */
252 #else
253 # define CONFIG_SYS_MPP_CONTROL_3	0x22090066      /* MREQ MGNT */
254 						/* GPP[29]    (PCI1Int) */
255 						/* BClkOut0 */
256 						/* GPP[27]    (PCI0Int) */
257 						/* GPP[26]    (RtcInt or PCI1Int) */
258 						/* CPUInt[25:24] */
259 #endif
260 
261 #define CONFIG_SYS_SERIAL_PORT_MUX	0x00001102	/* 11=MPSC1/MPSC0 02=ETH 0 and 2 RMII */
262 
263 #if 0 /* Wrong?? - NTL */
264 # define CONFIG_SYS_GPP_LEVEL_CONTROL	0x000002c6
265 #else
266 # define CONFIG_SYS_GPP_LEVEL_CONTROL	0x2c600000	/* 0010 1100 0110 0000 */
267 						/* gpp[29] */
268 						/* gpp[27:26] */
269 						/* gpp[22:21] */
270 
271 # define CONFIG_SYS_SDRAM_CONFIG	0xd8e18200	/* 0x448 */
272 				/* idmas use buffer 1,1
273 				   comm use buffer 0
274 				   pci use buffer 1,1
275 				   cpu use buffer 0
276 				   normal load (see also ifdef HVL)
277 				   standard SDRAM (see also ifdef REG)
278 				   non staggered refresh */
279 				/* 31:26  25 23  20 19 18 16 */
280 				/* 110110 00 111 0  0  00 1 */
281 				/* refresh_count=0x200
282 				   phisical interleaving disable
283 				   virtual interleaving enable */
284 				/* 15 14 13:0 */
285 				/* 1  0  0x200 */
286 #endif
287 
288 #if 0
289 #define CONFIG_SYS_DUART_IO		CONFIG_SYS_DEV2_SPACE
290 #define CONFIG_SYS_DUART_CHAN		1		/* channel to use for console */
291 #endif
292 #undef CONFIG_SYS_INIT_CHAN1
293 #undef CONFIG_SYS_INIT_CHAN2
294 #if 0
295 #define SRAM_BASE		CONFIG_SYS_DEV0_SPACE
296 #define SRAM_SIZE		0x00100000		/* 1 MB of sram */
297 #endif
298 
299 
300 /*-----------------------------------------------------------------------
301  * PCI stuff
302  *-----------------------------------------------------------------------
303  */
304 
305 #define PCI_HOST_ADAPTER 0              /* configure ar pci adapter     */
306 #define PCI_HOST_FORCE  1               /* configure as pci host        */
307 #define PCI_HOST_AUTO   2               /* detected via arbiter enable  */
308 
309 #define CONFIG_PCI                      /* include pci support          */
310 #define CONFIG_PCI_HOST PCI_HOST_FORCE  /* select pci host function     */
311 #define CONFIG_PCI_PNP                  /* do pci plug-and-play         */
312 
313 /* PCI MEMORY MAP section */
314 #define CONFIG_SYS_PCI0_MEM_BASE	0x80000000
315 #define CONFIG_SYS_PCI0_MEM_SIZE	_128M
316 #define CONFIG_SYS_PCI0_0_MEM_SPACE	(CONFIG_SYS_PCI0_MEM_BASE)
317 
318 #define CONFIG_SYS_PCI1_MEM_BASE	0x88000000
319 #define CONFIG_SYS_PCI1_MEM_SIZE	_128M
320 #define CONFIG_SYS_PCI1_0_MEM_SPACE	(CONFIG_SYS_PCI1_MEM_BASE)
321 
322 /* PCI I/O MAP section */
323 #define CONFIG_SYS_PCI0_IO_BASE	0xfa000000
324 #define CONFIG_SYS_PCI0_IO_SIZE	_16M
325 #define CONFIG_SYS_PCI0_IO_SPACE	(CONFIG_SYS_PCI0_IO_BASE)
326 #define CONFIG_SYS_PCI0_IO_SPACE_PCI	0x00000000
327 
328 #define CONFIG_SYS_PCI1_IO_BASE	0xfb000000
329 #define CONFIG_SYS_PCI1_IO_SIZE	_16M
330 #define CONFIG_SYS_PCI1_IO_SPACE	(CONFIG_SYS_PCI1_IO_BASE)
331 #define CONFIG_SYS_PCI1_IO_SPACE_PCI	0x00000000
332 
333 /*----------------------------------------------------------------------
334  * Initial BAT mappings
335  */
336 
337 /* NOTES:
338  * 1) GUARDED and WRITE_THRU not allowed in IBATS
339  * 2) CACHEINHIBIT and WRITETHROUGH not allowed together in same BAT
340  */
341 
342 /* SDRAM */
343 #define CONFIG_SYS_IBAT0L (CONFIG_SYS_SDRAM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
344 #define CONFIG_SYS_IBAT0U (CONFIG_SYS_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
345 #define CONFIG_SYS_DBAT0L (CONFIG_SYS_SDRAM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
346 #define CONFIG_SYS_DBAT0U CONFIG_SYS_IBAT0U
347 
348 /* init ram */
349 #define CONFIG_SYS_IBAT1L  (CONFIG_SYS_INIT_RAM_ADDR | BATL_PP_RW | BATL_MEMCOHERENCE)
350 #define CONFIG_SYS_IBAT1U  (CONFIG_SYS_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
351 #define CONFIG_SYS_DBAT1L  CONFIG_SYS_IBAT1L
352 #define CONFIG_SYS_DBAT1U  CONFIG_SYS_IBAT1U
353 
354 /* PCI0, PCI1 in one BAT */
355 #define CONFIG_SYS_IBAT2L BATL_NO_ACCESS
356 #define CONFIG_SYS_IBAT2U CONFIG_SYS_DBAT2U
357 #define CONFIG_SYS_DBAT2L (CONFIG_SYS_PCI0_MEM_BASE | BATL_CACHEINHIBIT | BATL_PP_RW | BATL_GUARDEDSTORAGE)
358 #define CONFIG_SYS_DBAT2U (CONFIG_SYS_PCI0_MEM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
359 
360 /* GT regs, bootrom, all the devices, PCI I/O */
361 #define CONFIG_SYS_IBAT3L (CONFIG_SYS_MISC_REGION_BASE | BATL_CACHEINHIBIT | BATL_PP_RW)
362 #define CONFIG_SYS_IBAT3U (CONFIG_SYS_MISC_REGION_BASE | BATU_VS | BATU_VP | BATU_BL_256M)
363 #define CONFIG_SYS_DBAT3L (CONFIG_SYS_MISC_REGION_BASE | BATL_CACHEINHIBIT | BATL_PP_RW | BATL_GUARDEDSTORAGE)
364 #define CONFIG_SYS_DBAT3U CONFIG_SYS_IBAT3U
365 
366 /* I2C speed and slave address (for compatability) defaults */
367 #define CONFIG_SYS_I2C_SPEED	400000
368 #define CONFIG_SYS_I2C_SLAVE	0x7F
369 
370 /* I2C addresses for the two DIMM SPD chips */
371 #ifndef CONFIG_EVB64260_750CX
372 #define DIMM0_I2C_ADDR	0x56
373 #define DIMM1_I2C_ADDR	0x54
374 #else /* CONFIG_EVB64260_750CX - only has 1 DIMM */
375 #define DIMM0_I2C_ADDR  0x54
376 #define DIMM1_I2C_ADDR	0x54
377 #endif
378 
379 /*
380  * For booting Linux, the board info and command line data
381  * have to be in the first 8 MB of memory, since this is
382  * the maximum mapped by the Linux kernel during initialization.
383  */
384 #define	CONFIG_SYS_BOOTMAPSZ		(8<<20)	/* Initial Memory map for Linux */
385 
386 /*-----------------------------------------------------------------------
387  * FLASH organization
388  */
389 #define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of memory banks	*/
390 #define CONFIG_SYS_MAX_FLASH_SECT	67	/* max number of sectors on one chip */
391 
392 #define CONFIG_SYS_EXTRA_FLASH_DEVICE	BOOT_DEVICE
393 #define CONFIG_SYS_EXTRA_FLASH_WIDTH	2	/* 16 bit */
394 #define CONFIG_SYS_BOOT_FLASH_WIDTH	2	/* 16 bit */
395 
396 #define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms) */
397 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms) */
398 #define CONFIG_SYS_FLASH_CFI		1
399 
400 #define	CONFIG_ENV_IS_IN_FLASH	1
401 #define	CONFIG_ENV_SIZE		0x1000	/* Total Size of Environment Sector */
402 #define CONFIG_ENV_SECT_SIZE	0x20000
403 #define CONFIG_ENV_ADDR		0xFFFE0000
404 
405 /*-----------------------------------------------------------------------
406  * Cache Configuration
407  */
408 #define CONFIG_SYS_CACHELINE_SIZE	32	/* For all MPC74xx CPUs		 */
409 #if defined(CONFIG_CMD_KGDB)
410 #define CONFIG_SYS_CACHELINE_SHIFT	5	/* log base 2 of the above value */
411 #endif
412 
413 /*-----------------------------------------------------------------------
414  * L2CR setup -- make sure this is right for your board!
415  * look in include/74xx_7xx.h for the defines used here
416  */
417 
418 #define CONFIG_SYS_L2
419 
420 #define L2_INIT		(L2CR_L2SIZ_2M | L2CR_L2CLK_3 | L2CR_L2RAM_BURST | \
421 			 L2CR_L2OH_5 | L2CR_L2CTL | L2CR_L2WT)
422 
423 #define L2_ENABLE	(L2_INIT | L2CR_L2E)
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 #define CONFIG_SYS_BOARD_ASM_INIT      1
434 
435 
436 #endif	/* __CONFIG_H */
437