1 /*
2  * (C) Copyright 2000-2005
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_405EP		1	/* This is a PPC405 CPU		*/
37 #define CONFIG_4xx		1	/* ...member of PPC4xx family   */
38 #define CONFIG_BUBINGA	        1	/* ...on a BUBINGA board	*/
39 
40 /*
41  * Include common defines/options for all AMCC eval boards
42  */
43 #define CONFIG_HOSTNAME		bubinga
44 #include "amcc-common.h"
45 
46 #define CONFIG_BOARD_EARLY_INIT_F 1	/* Call board_early_init_f	*/
47 
48 #define CONFIG_SYS_CLK_FREQ     33333333 /* external frequency to pll   */
49 
50 #define CONFIG_NO_SERIAL_EEPROM
51 /*#undef CONFIG_NO_SERIAL_EEPROM*/
52 /*----------------------------------------------------------------------------*/
53 #ifdef CONFIG_NO_SERIAL_EEPROM
54 
55 /*
56 !-------------------------------------------------------------------------------
57 ! Defines for entry options.
58 ! Note: Because the 405EP SDRAM controller does not support ECC, ECC DIMMs that
59 !       are plugged in the board will be utilized as non-ECC DIMMs.
60 !-------------------------------------------------------------------------------
61 */
62 #define        AUTO_MEMORY_CONFIG
63 #define        DIMM_READ_ADDR 0xAB
64 #define        DIMM_WRITE_ADDR 0xAA
65 
66 /*
67 !-------------------------------------------------------------------------------
68 ! PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
69 ! assuming a 33MHz input clock to the 405EP from the C9531.
70 !-------------------------------------------------------------------------------
71 */
72 #define PLLMR0_DEFAULT   PLLMR0_266_133_66
73 #define PLLMR1_DEFAULT   PLLMR1_266_133_66
74 
75 #endif
76 /*----------------------------------------------------------------------------*/
77 
78 /*
79  * Define here the location of the environment variables (FLASH or NVRAM).
80  * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
81  *       supported for backward compatibility.
82  */
83 #if 1
84 #define CONFIG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars	*/
85 #else
86 #define CONFIG_ENV_IS_IN_NVRAM	1	/* use NVRAM for environment vars	*/
87 #endif
88 
89 /*
90  * Default environment variables
91  */
92 #define	CONFIG_EXTRA_ENV_SETTINGS					\
93 	CONFIG_AMCC_DEF_ENV						\
94 	CONFIG_AMCC_DEF_ENV_PPC						\
95 	CONFIG_AMCC_DEF_ENV_NOR_UPD					\
96 	"kernel_addr=fff80000\0"					\
97 	"ramdisk_addr=fff90000\0"					\
98 	""
99 
100 #define	CONFIG_PHY_ADDR		1	/* PHY address			*/
101 #define CONFIG_HAS_ETH0
102 #define CONFIG_HAS_ETH1
103 #define CONFIG_PHY1_ADDR	2	/* EMAC1 PHY address		*/
104 
105 #define CONFIG_RTC_DS174x	1	/* use DS1743 RTC in Bubinga	*/
106 
107 /*
108  * Commands additional to the ones defined in amcc-common.h
109  */
110 #define CONFIG_CMD_DATE
111 #define CONFIG_CMD_PCI
112 #define CONFIG_CMD_SDRAM
113 #define CONFIG_CMD_SNTP
114 
115 #define CONFIG_SPD_EEPROM      1       /* use SPD EEPROM for setup    */
116 
117 /*
118  * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1.
119  * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31.
120  * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value.
121  * The Linux BASE_BAUD define should match this configuration.
122  *    baseBaud = cpuClock/(uartDivisor*16)
123  * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock,
124  * set Linux BASE_BAUD to 403200.
125  */
126 #undef	CONFIG_SERIAL_SOFTWARE_FIFO
127 #undef  CONFIG_SYS_EXT_SERIAL_CLOCK           /* external serial clock */
128 #undef  CONFIG_SYS_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
129 #define CONFIG_SYS_BASE_BAUD       691200
130 
131 /*-----------------------------------------------------------------------
132  * I2C stuff
133  *-----------------------------------------------------------------------
134  */
135 #define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed and slave address	*/
136 
137 #define CONFIG_SYS_I2C_NOPROBES	{ 0x69 }	/* avoid i2c probe hangup (why?) */
138 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	6	/* 24C02 requires 5ms delay */
139 
140 #if defined(CONFIG_CMD_EEPROM)
141 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* I2C boot EEPROM (24C02W)	*/
142 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1	/* Bytes of address		*/
143 #endif
144 
145 /*-----------------------------------------------------------------------
146  * PCI stuff
147  *-----------------------------------------------------------------------
148  */
149 #define PCI_HOST_ADAPTER 0              /* configure ar pci adapter     */
150 #define PCI_HOST_FORCE  1               /* configure as pci host        */
151 #define PCI_HOST_AUTO   2               /* detected via arbiter enable  */
152 
153 #define CONFIG_PCI			/* include pci support	        */
154 #define CONFIG_PCI_HOST	PCI_HOST_FORCE  /* select pci host function     */
155 #define CONFIG_PCI_PNP			/* do pci plug-and-play         */
156 					/* resource configuration       */
157 #define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup  */
158 
159 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC */
160 #define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe	/* Whatever */
161 #define CONFIG_SYS_PCI_CLASSCODE       0x0600  /* PCI Class Code: bridge/host  */
162 #define CONFIG_SYS_PCI_PTM1LA  0x00000000      /* point to sdram               */
163 #define CONFIG_SYS_PCI_PTM1MS  0x80000001      /* 2GB, enable hard-wired to 1  */
164 #define CONFIG_SYS_PCI_PTM1PCI 0x00000000      /* Host: use this pci address   */
165 #define CONFIG_SYS_PCI_PTM2LA  0x00000000      /* disabled                     */
166 #define CONFIG_SYS_PCI_PTM2MS  0x00000000      /* disabled                     */
167 #define CONFIG_SYS_PCI_PTM2PCI 0x04000000      /* Host: use this pci address   */
168 
169 /*-----------------------------------------------------------------------
170  * External peripheral base address
171  *-----------------------------------------------------------------------
172  */
173 #define	CONFIG_SYS_KEY_REG_BASE_ADDR	0xF0100000
174 #define	CONFIG_SYS_IR_REG_BASE_ADDR	0xF0200000
175 #define	CONFIG_SYS_FPGA_REG_BASE_ADDR	0xF0300000
176 
177 /*-----------------------------------------------------------------------
178  * Start addresses for the final memory configuration
179  * (Set up by the startup code)
180  */
181 #define CONFIG_SYS_SRAM_BASE		0xFFF00000
182 #define CONFIG_SYS_FLASH_BASE		0xFFF80000
183 
184 /*-----------------------------------------------------------------------
185  * FLASH organization
186  */
187 #define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
188 #define CONFIG_SYS_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/
189 
190 #define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
191 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
192 
193 #define CONFIG_SYS_FLASH_ADDR0         0x5555
194 #define CONFIG_SYS_FLASH_ADDR1         0x2aaa
195 #define CONFIG_SYS_FLASH_WORD_SIZE     unsigned char
196 
197 #ifdef CONFIG_ENV_IS_IN_FLASH
198 #define CONFIG_ENV_SECT_SIZE	0x10000	/* size of one complete sector	*/
199 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
200 #define	CONFIG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/
201 
202 /* Address and size of Redundant Environment Sector	*/
203 #define CONFIG_ENV_ADDR_REDUND	(CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE)
204 #define CONFIG_ENV_SIZE_REDUND	(CONFIG_ENV_SIZE)
205 #endif /* CONFIG_ENV_IS_IN_FLASH */
206 
207 /*-----------------------------------------------------------------------
208  * NVRAM organization
209  */
210 #define CONFIG_SYS_NVRAM_BASE_ADDR	0xf0000000	/* NVRAM base address	*/
211 #define CONFIG_SYS_NVRAM_SIZE		0x1ff8		/* NVRAM size	*/
212 
213 #ifdef CONFIG_ENV_IS_IN_NVRAM
214 #define CONFIG_ENV_SIZE		0x0ff8		/* Size of Environment vars	*/
215 #define CONFIG_ENV_ADDR		\
216 	(CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE)	/* Env	*/
217 #endif
218 
219 /*
220  * Init Memory Controller:
221  *
222  * BR0/1 and OR0/1 (FLASH)
223  */
224 
225 #define FLASH_BASE0_PRELIM	CONFIG_SYS_FLASH_BASE	/* FLASH bank #0	*/
226 #define FLASH_BASE1_PRELIM	0		/* FLASH bank #1	*/
227 
228 /*-----------------------------------------------------------------------
229  * Definitions for initial stack pointer and data area (in data cache)
230  */
231 /* use on chip memory ( OCM ) for temperary stack until sdram is tested */
232 #define CONFIG_SYS_TEMP_STACK_OCM        1
233 
234 /* On Chip Memory location */
235 #define CONFIG_SYS_OCM_DATA_ADDR	0xF8000000
236 #define CONFIG_SYS_OCM_DATA_SIZE	0x1000
237 #define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM		*/
238 #define CONFIG_SYS_INIT_RAM_END	CONFIG_SYS_OCM_DATA_SIZE /* End of used area in RAM	*/
239 
240 #define CONFIG_SYS_GBL_DATA_SIZE      128  /* size in bytes reserved for initial data */
241 #define CONFIG_SYS_GBL_DATA_OFFSET    (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
242 #define CONFIG_SYS_INIT_SP_OFFSET      CONFIG_SYS_GBL_DATA_OFFSET
243 
244 /*-----------------------------------------------------------------------
245  * External Bus Controller (EBC) Setup
246  */
247 
248 /* Memory Bank 0 (Flash/SRAM) initialization                                    */
249 #define CONFIG_SYS_EBC_PB0AP           0x04006000
250 #define CONFIG_SYS_EBC_PB0CR           0xFFF18000  /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit  */
251 
252 /* Memory Bank 1 (NVRAM/RTC) initialization                                     */
253 #define CONFIG_SYS_EBC_PB1AP           0x04041000
254 #define CONFIG_SYS_EBC_PB1CR           0xF0018000  /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit  */
255 
256 /* Memory Bank 2 (not used) initialization                                      */
257 #define CONFIG_SYS_EBC_PB2AP           0x00000000
258 #define CONFIG_SYS_EBC_PB2CR           0x00000000
259 
260 /* Memory Bank 2 (not used) initialization                                      */
261 #define CONFIG_SYS_EBC_PB3AP           0x00000000
262 #define CONFIG_SYS_EBC_PB3CR           0x00000000
263 
264 /* Memory Bank 4 (FPGA regs) initialization                                     */
265 #define CONFIG_SYS_EBC_PB4AP           0x01815000
266 #define CONFIG_SYS_EBC_PB4CR           0xF0318000  /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit  */
267 
268 /*-----------------------------------------------------------------------
269  * Definitions for Serial Presence Detect EEPROM address
270  * (to get SDRAM settings)
271  */
272 #define SPD_EEPROM_ADDRESS      0x55
273 
274 /*-----------------------------------------------------------------------
275  * Definitions for GPIO setup (PPC405EP specific)
276  *
277  * GPIO0[0]     - External Bus Controller BLAST output
278  * GPIO0[1-9]   - Instruction trace outputs
279  * GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs
280  * GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs
281  * GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
282  * GPIO0[24-27] - UART0 control signal inputs/outputs
283  * GPIO0[28-29] - UART1 data signal input/output
284  * GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs
285  */
286 #define CONFIG_SYS_GPIO0_OSRH          0x55555555
287 #define CONFIG_SYS_GPIO0_OSRL          0x40000110
288 #define CONFIG_SYS_GPIO0_ISR1H         0x00000000
289 #define CONFIG_SYS_GPIO0_ISR1L         0x15555445
290 #define CONFIG_SYS_GPIO0_TSRH          0x00000000
291 #define CONFIG_SYS_GPIO0_TSRL          0x00000000
292 #define CONFIG_SYS_GPIO0_TCR           0xFFFF8014
293 
294 /*-----------------------------------------------------------------------
295  * Some BUBINGA stuff...
296  */
297 #define NVRAM_BASE      0xF0000000
298 #define FPGA_REG0       0xF0300000    /* FPGA Reg 0              */
299 #define FPGA_REG1       0xF0300001    /* FPGA Reg 1              */
300 #define NVRVFY1     0x4f532d4f    /* used to determine if state data in */
301 #define NVRVFY2     0x50454e00    /* NVRAM initialized (ascii for OS-OPEN)*/
302 
303 #define FPGA_REG0_F_RANGE     0x80       /* SDRAM PLL freq range              */
304 #define FPGA_REG0_EXT_INT_DIS 0x20       /* External interface disable        */
305 #define FPGA_REG0_LED_MASK    0x07       /* Board LEDs DS9, DS10, and DS11    */
306 #define FPGA_REG0_LED0        0x04       /* Turn on LED0                      */
307 #define FPGA_REG0_LED1        0x02       /* Turn on LED1                      */
308 #define FPGA_REG0_LED2        0x01       /* Turn on LED2                      */
309 
310 #define FPGA_REG1_SSPEC_DIS   0x80       /* C9531 Spread Spectrum disabled    */
311 #define FPGA_REG1_OFFBD_PCICLK 0x40      /* Onboard PCI clock selected       */
312 #define FPGA_REG1_CLOCK_MASK  0x30       /* Mask for C9531 output freq select */
313 #define FPGA_REG1_CLOCK_BIT_SHIFT  4
314 #define FPGA_REG1_PCI_INT_ARB 0x08       /* PCI Internal arbiter selected     */
315 #define FPGA_REG1_PCI_FREQ    0x04       /* PCI Frequency select              */
316 #define FPGA_REG1_OFFB_FLASH  0x02       /* Off board flash                   */
317 #define FPGA_REG1_SRAM_BOOT   0x01       /* SRAM at 0xFFF80000 not Flash      */
318 
319 #endif	/* __CONFIG_H */
320