summaryrefslogtreecommitdiff
path: root/include/configs/taihu.h
blob: a3738b7b1d2dcafb9db2c96b566eb51ad9abed15 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
/*
 * (C) Copyright 2000-2005
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * (C) Copyright 2005-2007
 * Beijing UD Technology Co., Ltd., taihusupport@amcc.com
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef __CONFIG_H
#define __CONFIG_H


#define CONFIG_405EP		1	/* this is a PPC405 CPU */
#define CONFIG_4xx		1	/*  member of PPC4xx family */
#define CONFIG_TAIHU	        1	/*  on a taihu board */

#define	CONFIG_SYS_TEXT_BASE	0xFFFC0000

/*
 * Include common defines/options for all AMCC eval boards
 */
#define CONFIG_HOSTNAME		taihu
#include "amcc-common.h"

#define CONFIG_BOARD_EARLY_INIT_F 1	/* call board_early_init_f */

#define CONFIG_SYS_CLK_FREQ     33000000 /* external frequency to pll   */

#define CONFIG_NO_SERIAL_EEPROM

/*----------------------------------------------------------------------------*/
#ifdef CONFIG_NO_SERIAL_EEPROM

/*
!-------------------------------------------------------------------------------
! PLL settings for 333MHz CPU, 111MHz PLB/SDRAM, 55MHz EBC, 33MHz PCI,
! assuming a 33MHz input clock to the 405EP from the C9531.
!-------------------------------------------------------------------------------
*/
#define PLLMR0_333_111_55_37 (PLL_CPUDIV_1 | PLL_PLBDIV_3 |  \
			      PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 |  \
			      PLL_MALDIV_1 | PLL_PCIDIV_3)
#define PLLMR1_333_111_55_37 (PLL_FBKDIV_10  |  \
			      PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |  \
			      PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
#define PLLMR0_333_111_55_111 (PLL_CPUDIV_1 | PLL_PLBDIV_3 |  \
			       PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 |  \
			       PLL_MALDIV_1 | PLL_PCIDIV_1)
#define PLLMR1_333_111_55_111 (PLL_FBKDIV_10  |  \
			       PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |  \
			       PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)

#define PLLMR0_DEFAULT		PLLMR0_333_111_55_37
#define PLLMR1_DEFAULT		PLLMR1_333_111_55_37
#define PLLMR0_DEFAULT_PCI66	PLLMR0_333_111_55_111
#define PLLMR1_DEFAULT_PCI66	PLLMR1_333_111_55_111

#endif
/*----------------------------------------------------------------------------*/

#define CONFIG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars */

/*
 * Default environment variables
 */
#define	CONFIG_EXTRA_ENV_SETTINGS					\
	CONFIG_AMCC_DEF_ENV						\
	CONFIG_AMCC_DEF_ENV_PPC						\
	CONFIG_AMCC_DEF_ENV_NOR_UPD					\
	"kernel_addr=FC000000\0"					\
	"ramdisk_addr=FC180000\0"					\
	""

#define CONFIG_PHY_ADDR		0x14	/* PHY address			*/
#define CONFIG_HAS_ETH0
#define CONFIG_HAS_ETH1
#define CONFIG_PHY1_ADDR	0x10	/* EMAC1 PHY address		*/
#define CONFIG_PHY_RESET	1

/*
 * Commands additional to the ones defined in amcc-common.h
 */
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_PCI
#define CONFIG_CMD_SDRAM
#define CONFIG_CMD_SPI

#undef CONFIG_SPD_EEPROM		/* use SPD EEPROM for setup */
#define CONFIG_SYS_SDRAM_SIZE_PER_BANK 0x04000000 /* 64MB */
#define CONFIG_SYS_SDRAM_BANKS	        2

/*
 * SDRAM configuration (please see cpu/ppc/sdram.[ch])
 */
#define CONFIG_SDRAM_BANK0	1	/* init onboard SDRAM bank 0 */
#define CONFIG_SDRAM_BANK1	1	/* init onboard SDRAM bank 1 */

/* SDRAM timings used in datasheet */
#define CONFIG_SYS_SDRAM_CL            3	/* CAS latency */
#define CONFIG_SYS_SDRAM_tRP           20	/* PRECHARGE command period */
#define CONFIG_SYS_SDRAM_tRC           66	/* ACTIVE-to-ACTIVE command period */
#define CONFIG_SYS_SDRAM_tRCD          20	/* ACTIVE-to-READ delay */
#define CONFIG_SYS_SDRAM_tRFC		66	/* Auto refresh period */

/*
 * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
 * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
 * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
 * The Linux BASE_BAUD define should match this configuration.
 *    baseBaud = cpuClock/(uartDivisor*16)
 * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
 * set Linux BASE_BAUD to 403200.
 */
#define CONFIG_CONS_INDEX	2	/* Use UART1			*/
#undef  CONFIG_SYS_EXT_SERIAL_CLOCK           /* external serial clock */
#undef  CONFIG_SYS_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
#define CONFIG_SYS_BASE_BAUD		691200

/*-----------------------------------------------------------------------
 * I2C stuff
 *-----------------------------------------------------------------------
 */
#define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed and slave address	*/

#define CONFIG_SYS_I2C_NOPROBES	{ 0x69 } /* avoid i2c probe hangup (why?) */
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	6 /* 24C02 requires 5ms delay */

#define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* I2C boot EEPROM (24C02W)	*/
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1	/* Bytes of address		*/

#define CONFIG_SOFT_SPI
#define SPI_SCL  spi_scl
#define SPI_SDA  spi_sda
#define SPI_READ spi_read()
#define SPI_DELAY udelay(2)
#ifndef __ASSEMBLY__
void spi_scl(int);
void spi_sda(int);
unsigned char spi_read(void);
#endif

/* standard dtt sensor configuration */
#define CONFIG_DTT_DS1775	1
#define CONFIG_DTT_SENSORS	{ 0 }
#define CONFIG_SYS_I2C_DTT_ADDR	0x49

/*-----------------------------------------------------------------------
 * PCI stuff
 *-----------------------------------------------------------------------
 */
#define PCI_HOST_ADAPTER 0		/* configure ar pci adapter    */
#define PCI_HOST_FORCE   1		/* configure as pci host       */
#define PCI_HOST_AUTO    2		/* detected via arbiter enable */

#define CONFIG_PCI			/* include pci support	       */
#define CONFIG_PCI_HOST	PCI_HOST_FORCE  /* select pci host function    */
#define CONFIG_PCI_PNP			/* do pci plug-and-play        */
					/* resource configuration      */
#define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup */

#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC */
#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe	/* Whatever */
#define CONFIG_SYS_PCI_CLASSCODE       0x0600  /* PCI Class Code: bridge/host */
#define CONFIG_SYS_PCI_PTM1LA	    0x00000000	/* point to sdram              */
#define CONFIG_SYS_PCI_PTM1MS      0x80000001	/* 2GB, enable hard-wired to 1 */
#define CONFIG_SYS_PCI_PTM1PCI     0x00000000	/* Host: use this pci address  */
#define CONFIG_SYS_PCI_PTM2LA      0x00000000	/* disabled                    */
#define CONFIG_SYS_PCI_PTM2MS	    0x00000000	/* disabled                    */
#define CONFIG_SYS_PCI_PTM2PCI     0x04000000	/* Host: use this pci address  */
#define CONFIG_EEPRO100		1

/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 */
#define CONFIG_SYS_FLASH_BASE		0xFFE00000

/*-----------------------------------------------------------------------
 * FLASH organization
 */
#define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
#define CONFIG_SYS_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/

#define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/

#define CONFIG_SYS_FLASH_ADDR0         0x555
#define CONFIG_SYS_FLASH_ADDR1         0x2aa
#define CONFIG_SYS_FLASH_WORD_SIZE     unsigned short

#ifdef CONFIG_ENV_IS_IN_FLASH
#define CONFIG_ENV_SECT_SIZE	0x10000	/* size of one complete sector	*/
#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
#define CONFIG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/

/* Address and size of Redundant Environment Sector	*/
#define CONFIG_ENV_ADDR_REDUND	(CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE)
#define CONFIG_ENV_SIZE_REDUND	(CONFIG_ENV_SIZE)
#endif /* CONFIG_ENV_IS_IN_FLASH */

/*-----------------------------------------------------------------------
 * NVRAM organization
 */
#define CONFIG_SYS_NVRAM_BASE_ADDR	0xf0000000	/* NVRAM base address */
#define CONFIG_SYS_NVRAM_SIZE		0x1ff8		/* NVRAM size */

#ifdef CONFIG_ENV_IS_IN_NVRAM
#define CONFIG_ENV_SIZE		0x0ff8		/* Size of Environment vars */
#define CONFIG_ENV_ADDR		\
	(CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE)	/* Env*/
#endif

/*-----------------------------------------------------------------------
 * PPC405 GPIO Configuration
 */
#define CONFIG_SYS_4xx_GPIO_TABLE { /*				GPIO	Alternate1		*/	\
{												\
/* GPIO Core 0 */										\
{ GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO0	PerBLast    SPI CS	*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO1	TS1E			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO2	TS2E			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO3	TS1O			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO4	TS2O			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO5	TS3			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO6	TS4			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO7	TS5			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO8	TS6			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO9	TrcClk			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO10	PerCS1			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO11	PerCS2			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO12	PerCS3			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO13	PerCS4			*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO14	PerAddr03   SPI SCLK	*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO15	PerAddr04   SPI DI	*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO16	PerAddr05   SPI DO	*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO17	IRQ0	    PCI INTA	*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO18	IRQ1	    PCI INTB	*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO19	IRQ2	    PCI INTC	*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO20	IRQ3	    PCI INTD	*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO21	IRQ4	    USB		*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO22	IRQ5	    EBC		*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO23	IRQ6	    unused	*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO24	UART0_DCD   UART1	*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO25	UART0_DSR		*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO26	UART0_RI		*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO27	UART0_DTR		*/	\
{ GPIO_BASE, GPIO_IN,  GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO28	UART1_Rx    UART0	*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG }, /* GPIO29	UART1_Tx		*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO30	RejectPkt0  User LED1	*/	\
{ GPIO_BASE, GPIO_OUT, GPIO_SEL,  GPIO_OUT_NO_CHG }, /* GPIO31	RejectPkt1  User LED2	*/	\
}												\
}

/*
 * Init Memory Controller:
 *
 * BR0/1 and OR0/1 (FLASH)
 */

#define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
#define FLASH_BASE1_PRELIM  0xFC000000	/* FLASH bank #1 */

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in data cache)
 */
/* use on chip memory (OCM) for temperary stack until sdram is tested */
#define CONFIG_SYS_TEMP_STACK_OCM        1

/* On Chip Memory location */
#define CONFIG_SYS_OCM_DATA_ADDR	0xF8000000
#define CONFIG_SYS_OCM_DATA_SIZE	0x1000
#define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM		*/
#define CONFIG_SYS_INIT_RAM_SIZE	CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM	*/

#define CONFIG_SYS_GBL_DATA_OFFSET    (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET      CONFIG_SYS_GBL_DATA_OFFSET

/*-----------------------------------------------------------------------
 * External Bus Controller (EBC) Setup
 */

/* Memory Bank 0 (Flash/SRAM) initialization */
#define CONFIG_SYS_EBC_PB0AP           0x03815600
#define CONFIG_SYS_EBC_PB0CR           0xFFE3A000  /* BAS=0xFFE,BS=2MB,BU=R/W,BW=16bit */

/* Memory Bank 1 (NVRAM/RTC) initialization */
#define CONFIG_SYS_EBC_PB1AP           0x05815600
#define CONFIG_SYS_EBC_PB1CR           0xFC0BA000  /* BAS=0xFc0,BS=32MB,BU=R/W,BW=16bit */

/* Memory Bank 2 (USB device) initialization */
#define CONFIG_SYS_EBC_PB2AP           0x03016600
#define CONFIG_SYS_EBC_PB2CR           0x50018000 /* BAS=0x500,BS=1MB,BU=R/W,BW=8bit */

/* Memory Bank 3 (LCM and D-flip-flop) initialization */
#define CONFIG_SYS_EBC_PB3AP           0x158FF600
#define CONFIG_SYS_EBC_PB3CR           0x50118000 /* BAS=0x501,BS=1MB,BU=R/W,BW=8bit */

/* Memory Bank 4 (not install) initialization */
#define CONFIG_SYS_EBC_PB4AP           0x158FF600
#define CONFIG_SYS_EBC_PB4CR           0x5021A000

#define CPLD_REG0_ADDR	0x50100000
#define CPLD_REG1_ADDR	0x50100001

#endif	/* __CONFIG_H */