1 /*
2  * (C) Copyright 2008
3  * Graeme Russ, graeme.russ@gmail.com.
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 #include <asm/ibmpc.h>
25 /*
26  * board/config.h - configuration options, board specific
27  */
28 
29 #ifndef __CONFIG_H
30 #define __CONFIG_H
31 
32 #define CONFIG_RELOC_FIXUP_WORKS
33 
34 /*
35  * Stuff still to be dealt with -
36  */
37 #define CONFIG_RTC_MC146818
38 
39 /*
40  * High Level Configuration Options
41  * (easy to change)
42  */
43 #define DEBUG_PARSER
44 
45 #define CONFIG_X86			1	/* Intel X86 CPU */
46 #define CONFIG_SYS_SC520		1	/* AMD SC520 */
47 #define CONFIG_SYS_SC520_SSI
48 #define CONFIG_SHOW_BOOT_PROGRESS	1
49 #define CONFIG_LAST_STAGE_INIT		1
50 
51 /*
52  * If CONFIG_HW_WATCHDOG is not defined, the watchdog jumper on the
53  * bottom (processor) board MUST be removed!
54  */
55 #undef CONFIG_WATCHDOG
56 #define CONFIG_HW_WATCHDOG
57 
58  /*-----------------------------------------------------------------------
59   * Serial Configuration
60   */
61 #define CONFIG_SERIAL_MULTI
62 #undef CONFIG_SERIAL_SOFTWARE_FIFO
63 #define CONFIG_CONS_INDEX		1
64 #define CONFIG_SYS_NS16550
65 #define CONFIG_SYS_NS16550_SERIAL
66 #define CONFIG_SYS_NS16550_REG_SIZE	1
67 #define CONFIG_SYS_NS16550_CLK		1843200
68 #define CONFIG_BAUDRATE			9600
69 #define CONFIG_SYS_BAUDRATE_TABLE	\
70 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
71 
72 #define CONFIG_SYS_NS16550_COM1		UART0_BASE
73 #define CONFIG_SYS_NS16550_COM2		UART1_BASE
74 #define CONFIG_SYS_NS16550_COM3		(0x1000 + UART0_BASE)
75 #define CONFIG_SYS_NS16550_COM4		(0x1000 + UART1_BASE)
76 #define CONFIG_SYS_NS16550_PORT_MAPPED
77 
78  /*-----------------------------------------------------------------------
79   * Video Configuration
80   */
81 #undef CONFIG_VIDEO			/* No Video Hardware */
82 #undef CONFIG_CFB_CONSOLE
83 
84 /*
85  * Size of malloc() pool
86  */
87 #define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + 128*1024)
88 
89 /*-----------------------------------------------------------------------
90  * Command line configuration.
91  */
92 #include <config_cmd_default.h>
93 
94 #define CONFIG_CMD_BDI		/* bdinfo			*/
95 #define CONFIG_CMD_BOOTD	/* bootd			*/
96 #define CONFIG_CMD_CONSOLE	/* coninfo			*/
97 #define CONFIG_CMD_ECHO		/* echo arguments		*/
98 #define CONFIG_CMD_FLASH	/* flinfo, erase, protect	*/
99 #define CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
100 #define CONFIG_CMD_IMI		/* iminfo			*/
101 #define CONFIG_CMD_IMLS		/* List all found images	*/
102 #define CONFIG_CMD_IRQ		/* IRQ Information		*/
103 #define CONFIG_CMD_ITEST	/* Integer (and string) test	*/
104 #define CONFIG_CMD_LOADB	/* loadb			*/
105 #define CONFIG_CMD_LOADS	/* loads			*/
106 #define CONFIG_CMD_MEMORY	/* md mm nm mw cp cmp crc base loop mtest */
107 #define CONFIG_CMD_MISC		/* Misc functions like sleep etc*/
108 #define CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
109 #undef CONFIG_CMD_NFS		/* NFS support			*/
110 #define CONFIG_CMD_PCI		/* PCI support			*/
111 #define CONFIG_CMD_PING		/* ICMP echo support		*/
112 #define CONFIG_CMD_RUN		/* run command in env variable	*/
113 #define CONFIG_CMD_SAVEENV	/* saveenv			*/
114 #define CONFIG_CMD_SETGETDCR	/* DCR support on 4xx		*/
115 #define CONFIG_CMD_SOURCE	/* "source" command Support	*/
116 #define CONFIG_CMD_XIMG		/* Load part of Multi Image	*/
117 
118 #define CONFIG_BOOTDELAY		15
119 #define CONFIG_BOOTARGS			"root=/dev/mtdblock0 console=ttyS0,9600"
120 /* #define CONFIG_BOOTCOMMAND		"bootm 38000000" */
121 
122 #if defined(CONFIG_CMD_KGDB)
123 #define CONFIG_KGDB_BAUDRATE		115200		/* speed to run kgdb serial port */
124 #define CONFIG_KGDB_SER_INDEX		2		/* which serial port to use */
125 #endif
126 
127 /*
128  * Miscellaneous configurable options
129  */
130 #define	CONFIG_SYS_LONGHELP				/* undef to save memory		*/
131 #define	CONFIG_SYS_PROMPT		"boot > "	/* Monitor Command Prompt	*/
132 #define	CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size	*/
133 #define	CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
134 					 sizeof(CONFIG_SYS_PROMPT) + \
135 					 16)		/* Print Buffer Size */
136 #define	CONFIG_SYS_MAXARGS		16		/* max number of command args	*/
137 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/
138 
139 #define CONFIG_SYS_MEMTEST_START	0x00100000	/* memtest works on	*/
140 #define CONFIG_SYS_MEMTEST_END		0x01000000	/* 1 ... 16 MB in DRAM	*/
141 
142 #define	CONFIG_SYS_LOAD_ADDR		0x100000	/* default load address	*/
143 
144 #define	CONFIG_SYS_HZ			1000		/* incrementer freq: 1kHz */
145 
146 /*-----------------------------------------------------------------------
147  * SDRAM Configuration
148  */
149 #define CONFIG_SYS_SDRAM_DRCTMCTL	0x18
150 #define CONFIG_NR_DRAM_BANKS		4
151 
152 /* CONFIG_SYS_SDRAM_DRCTMCTL Overrides the following*/
153 #undef CONFIG_SYS_SDRAM_PRECHARGE_DELAY
154 #undef CONFIG_SYS_SDRAM_REFRESH_RATE
155 #undef CONFIG_SYS_SDRAM_RAS_CAS_DELAY
156 #undef CONFIG_SYS_SDRAM_CAS_LATENCY_2T
157 #undef CONFIG_SYS_SDRAM_CAS_LATENCY_3T
158 
159 /*-----------------------------------------------------------------------
160  * CPU Features
161  */
162 #define CONFIG_SYS_SC520_HIGH_SPEED	0	/* 100 or 133MHz */
163 #define CONFIG_SYS_SC520_RESET			/* use SC520 MMCR's to reset cpu */
164 #define CONFIG_SYS_SC520_TIMER			/* use SC520 swtimers */
165 #undef  CONFIG_SYS_GENERIC_TIMER		/* use the i8254 PIT timers */
166 #undef  CONFIG_SYS_TSC_TIMER			/* use the Pentium TSC timers */
167 #define CONFIG_SYS_USE_SIO_UART		0       /* prefer the uarts on the SIO to those
168 					 * in the SC520 on the CDP */
169 #define CONFIG_SYS_PCAT_INTERRUPTS
170 #define CONFIG_SYS_NUM_IRQS		16
171 
172 /*-----------------------------------------------------------------------
173  * Memory organization
174  */
175 #define CONFIG_SYS_STACK_SIZE		0x8000  	/* Size of bootloader stack */
176 #define CONFIG_SYS_BL_START_FLASH	0x38040000	/* Address of relocated code */
177 #define CONFIG_SYS_BL_START_RAM		0x03fd0000	/* Address of relocated code */
178 #define CONFIG_SYS_MONITOR_BASE		TEXT_BASE
179 #define CONFIG_SYS_MONITOR_LEN		(256 * 1024)    /* Reserve 256 kB for Mon	*/
180 #define CONFIG_SYS_FLASH_BASE		0x38000000	/* Boot Flash */
181 #define CONFIG_SYS_FLASH_BASE_1		0x10000000	/* StrataFlash 1 */
182 #define CONFIG_SYS_FLASH_BASE_2		0x11000000	/* StrataFlash 2 */
183 
184 /* timeout values are in ticks */
185 #define CONFIG_SYS_FLASH_ERASE_TOUT	(2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */
186 #define CONFIG_SYS_FLASH_WRITE_TOUT	(2*CONFIG_SYS_HZ) /* Timeout for Flash Write */
187 
188 /* allow to overwrite serial and ethaddr */
189 #define CONFIG_ENV_OVERWRITE
190 
191  /*-----------------------------------------------------------------------
192   * FLASH configuration
193   */
194 #define CONFIG_FLASH_CFI_DRIVER				/* Use the common driver */
195 #define CONFIG_FLASH_CFI_LEGACY
196 #define CONFIG_SYS_FLASH_CFI				/* Flash is CFI conformant */
197 #define CONFIG_SYS_MAX_FLASH_BANKS	3	/* max number of memory banks */
198 #define CONFIG_SYS_FLASH_BANKS_LIST	{CONFIG_SYS_FLASH_BASE,   \
199 					 CONFIG_SYS_FLASH_BASE_1, \
200 					 CONFIG_SYS_FLASH_BASE_2}
201 #define CONFIG_SYS_FLASH_EMPTY_INFO
202 #undef CONFIG_SYS_FLASH_USE_BUFFER_WRITE
203 #define CONFIG_SYS_MAX_FLASH_SECT	128	/* max number of sectors on one chip */
204 #define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_8BIT
205 #define CONFIG_SYS_FLASH_LEGACY_512Kx8
206 
207  /*-----------------------------------------------------------------------
208   * Environment configuration
209   */
210 #define CONFIG_ENV_IS_IN_FLASH		1
211 #define CONFIG_ENV_SECT_SIZE		0x20000 /* Total Size of Environment Sector */
212 #define CONFIG_ENV_SIZE			CONFIG_ENV_SECT_SIZE
213 #define CONFIG_ENV_ADDR			CONFIG_SYS_FLASH_BASE_1
214 /* Redundant Copy */
215 #define CONFIG_ENV_ADDR_REDUND		(CONFIG_SYS_FLASH_BASE_1 + \
216 					 CONFIG_ENV_SECT_SIZE)
217 #define CONFIG_ENV_SIZE_REDUND		CONFIG_ENV_SECT_SIZE
218 
219 
220  /*-----------------------------------------------------------------------
221   * PCI configuration
222   */
223 #define CONFIG_PCI                                /* include pci support */
224 #define CONFIG_PCI_PNP                            /* pci plug-and-play */
225 #define CONFIG_SYS_FIRST_PCI_IRQ   10
226 #define CONFIG_SYS_SECOND_PCI_IRQ  9
227 #define CONFIG_SYS_THIRD_PCI_IRQ   11
228 #define CONFIG_SYS_FORTH_PCI_IRQ   15
229 
230  /*
231  * Network device (TRL8100B) support
232  */
233 #define CONFIG_NET_MULTI
234 #define CONFIG_RTL8139
235 
236 /*-----------------------------------------------------------------------
237  * FPGA configuration
238  */
239 #define CONFIG_SYS_FPGA_PROGRAM_PIO_BIT		0x2000
240 #define CONFIG_SYS_FPGA_INIT_PIO_BIT		0x4000
241 #define CONFIG_SYS_FPGA_DONE_PIO_BIT		0x8000
242 #define CONFIG_SYS_FPGA_PIO_DATA 		SC520_PIODATA31_16
243 #define CONFIG_SYS_FPGA_PIO_DIRECTION 		SC520_PIODIR31_16
244 #define CONFIG_SYS_FPGA_PIO_CLR  		SC520_PIOCLR31_16
245 #define CONFIG_SYS_FPGA_PIO_SET  		SC520_PIOSET31_16
246 #define CONFIG_SYS_FPGA_PROGRAM_BIT_DROP_TIME	1	/* milliseconds */
247 #define CONFIG_SYS_FPGA_MAX_INIT_TIME		10	/* milliseconds */
248 #define CONFIG_SYS_FPGA_MAX_FINALISE_TIME	10	/* milliseconds */
249 #define CONFIG_SYS_FPGA_SSI_DATA_RATE		8333	/* kHz (33.3333MHz xtal) */
250 
251 #ifndef __ASSEMBLER__
252 extern unsigned long ip;
253 
254 #define PRINTIP				asm ("call 0\n" \
255 					    "0:\n" \
256 					    "pop %%eax\n" \
257 					    "movl %%eax, %0\n" \
258 					    :"=r"(ip) \
259 					    : /* No Input Registers */ \
260 					    :"%eax"); \
261 					    printf("IP: 0x%08lx (File: %s, Line: %d)\n", ip, __FILE__, __LINE__);
262 
263 #endif
264 #endif	/* __CONFIG_H */
265