1 /*
2  * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
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 /************************************************************************
24  * board/config_EBONY.h - configuration for AMCC 440GP Ref (Ebony)
25  ***********************************************************************/
26 
27 #ifndef __CONFIG_H
28 #define __CONFIG_H
29 
30 /*-----------------------------------------------------------------------
31  * High Level Configuration Options
32  *----------------------------------------------------------------------*/
33 #define CONFIG_EBONY		1	    /* Board is ebony		*/
34 #define CONFIG_440GP		1	    /* Specifc GP support	*/
35 #define CONFIG_440		1	    /* ... PPC440 family	*/
36 #define CONFIG_4xx		1	    /* ... PPC4xx family	*/
37 #define CONFIG_BOARD_EARLY_INIT_F 1	    /* Call board_early_init_f	*/
38 #define CONFIG_SYS_CLK_FREQ	33333333    /* external freq to pll	*/
39 
40 /*
41  * Include common defines/options for all AMCC eval boards
42  */
43 #define CONFIG_HOSTNAME		ebony
44 #include "amcc-common.h"
45 
46 /*
47  * Define here the location of the environment variables (FLASH or NVRAM).
48  * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
49  *       supported for backward compatibility.
50  */
51 #if 1
52 #define CONFIG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars	*/
53 #else
54 #define CONFIG_ENV_IS_IN_NVRAM	1	/* use NVRAM for environment vars	*/
55 #endif
56 
57 /*-----------------------------------------------------------------------
58  * Base addresses -- Note these are effective addresses where the
59  * actual resources get mapped (not physical addresses)
60  *----------------------------------------------------------------------*/
61 #define CONFIG_SYS_SDRAM_BASE	    0x00000000	    /* _must_ be 0		*/
62 #define CONFIG_SYS_FLASH_BASE	    0xff800000	    /* start of FLASH		*/
63 #define CONFIG_SYS_PCI_MEMBASE	    0x80000000	    /* mapped pci memory	*/
64 #define CONFIG_SYS_PERIPHERAL_BASE 0xe0000000	    /* internal peripherals	*/
65 #define CONFIG_SYS_ISRAM_BASE	    0xc0000000	    /* internal SRAM		*/
66 #define CONFIG_SYS_PCI_BASE	    0xd0000000	    /* internal PCI regs	*/
67 
68 #define CONFIG_SYS_NVRAM_BASE_ADDR (CONFIG_SYS_PERIPHERAL_BASE + 0x08000000)
69 #define CONFIG_SYS_FPGA_BASE	    (CONFIG_SYS_PERIPHERAL_BASE + 0x08300000)
70 
71 /*-----------------------------------------------------------------------
72  * Initial RAM & stack pointer (placed in internal SRAM)
73  *----------------------------------------------------------------------*/
74 #define CONFIG_SYS_INIT_RAM_ADDR   CONFIG_SYS_ISRAM_BASE  /* Initial RAM address	*/
75 #define CONFIG_SYS_INIT_RAM_END    0x2000	    /* End of used area in RAM	*/
76 #define CONFIG_SYS_GBL_DATA_SIZE  128		    /* num bytes initial data	*/
77 
78 #define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
79 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
80 
81 /*-----------------------------------------------------------------------
82  * Serial Port
83  *----------------------------------------------------------------------*/
84 #undef	CONFIG_SERIAL_SOFTWARE_FIFO
85 #define CONFIG_SYS_EXT_SERIAL_CLOCK	(1843200 * 6)	/* Ext clk @ 11.059 MHz */
86 
87 /*-----------------------------------------------------------------------
88  * NVRAM/RTC
89  *
90  * NOTE: Upper 8 bytes of NVRAM is where the RTC registers are located.
91  * The DS1743 code assumes this condition (i.e. -- it assumes the base
92  * address for the RTC registers is:
93  *
94  *	CONFIG_SYS_NVRAM_BASE_ADDR + CONFIG_SYS_NVRAM_SIZE
95  *
96  *----------------------------------------------------------------------*/
97 #define CONFIG_SYS_NVRAM_SIZE	    (0x2000 - 8)    /* NVRAM size(8k)- RTC regs */
98 #define CONFIG_RTC_DS174x	1		    /* DS1743 RTC		*/
99 
100 #ifdef CONFIG_ENV_IS_IN_NVRAM
101 #define CONFIG_ENV_SIZE		0x1000	    /* Size of Environment vars */
102 #define CONFIG_ENV_ADDR		\
103 	(CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE)
104 #endif /* CONFIG_ENV_IS_IN_NVRAM */
105 
106 /*-----------------------------------------------------------------------
107  * FLASH related
108  *----------------------------------------------------------------------*/
109 #define CONFIG_SYS_MAX_FLASH_BANKS	3		    /* number of banks	    */
110 #define CONFIG_SYS_MAX_FLASH_SECT	32		    /* sectors per device   */
111 
112 #define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
113 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
114 
115 #define CONFIG_SYS_FLASH_EMPTY_INFO		/* print 'E' for empty sector on flinfo */
116 
117 #define CONFIG_SYS_FLASH_ADDR0         0x5555
118 #define CONFIG_SYS_FLASH_ADDR1         0x2aaa
119 #define CONFIG_SYS_FLASH_WORD_SIZE     unsigned char
120 
121 #ifdef CONFIG_ENV_IS_IN_FLASH
122 #define CONFIG_ENV_SECT_SIZE	0x10000	/* size of one complete sector		*/
123 #define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
124 #define	CONFIG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/
125 
126 /* Address and size of Redundant Environment Sector	*/
127 #define CONFIG_ENV_ADDR_REDUND	(CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE)
128 #define CONFIG_ENV_SIZE_REDUND	(CONFIG_ENV_SIZE)
129 #endif /* CONFIG_ENV_IS_IN_FLASH */
130 
131 /*-----------------------------------------------------------------------
132  * DDR SDRAM
133  *----------------------------------------------------------------------*/
134 #define CONFIG_SPD_EEPROM	1	/* Use SPD EEPROM for setup	*/
135 #define SPD_EEPROM_ADDRESS {0x53,0x52}	/* SPD i2c spd addresses	*/
136 #define CONFIG_PROG_SDRAM_TLB	1	/* setup SDRAM TLB's dynamically*/
137 
138 /*-----------------------------------------------------------------------
139  * I2C
140  *----------------------------------------------------------------------*/
141 #define CONFIG_SYS_I2C_SPEED		400000	/* I2C speed and slave address	*/
142 
143 #define CONFIG_SYS_I2C_MULTI_EEPROMS
144 #define CONFIG_SYS_I2C_EEPROM_ADDR	(0xa8>>1)
145 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
146 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
147 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10
148 
149 /*
150  * Default environment variables
151  */
152 #define	CONFIG_EXTRA_ENV_SETTINGS					\
153 	CONFIG_AMCC_DEF_ENV						\
154 	CONFIG_AMCC_DEF_ENV_POWERPC					\
155 	CONFIG_AMCC_DEF_ENV_PPC_OLD					\
156 	CONFIG_AMCC_DEF_ENV_NOR_UPD					\
157 	"kernel_addr=ff800000\0"					\
158 	"ramdisk_addr=ff810000\0"					\
159 	""
160 
161 #define CONFIG_PHY_ADDR		8	/* PHY address			*/
162 #define CONFIG_HAS_ETH0
163 #define CONFIG_HAS_ETH1
164 #define CONFIG_PHY1_ADDR	9	/* EMAC1 PHY address		*/
165 
166 /*
167  * Commands additional to the ones defined in amcc-common.h
168  */
169 #define CONFIG_CMD_DATE
170 #define CONFIG_CMD_PCI
171 #define CONFIG_CMD_SDRAM
172 #define CONFIG_CMD_SNTP
173 
174 /*-----------------------------------------------------------------------
175  * PCI stuff
176  *-----------------------------------------------------------------------
177  */
178 /* General PCI */
179 #define CONFIG_PCI			            /* include pci support	        */
180 #define CONFIG_PCI_PNP			        /* do pci plug-and-play         */
181 #define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup  */
182 #define CONFIG_SYS_PCI_TARGBASE    0x80000000  /* PCIaddr mapped to CONFIG_SYS_PCI_MEMBASE */
183 
184 /* Board-specific PCI */
185 #define CONFIG_SYS_PCI_TARGET_INIT	            /* let board init pci target    */
186 
187 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC */
188 #define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe  /* Whatever */
189 
190 #endif	/* __CONFIG_H */
191