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9e3f8cdf | 1 | /* |
414eec35 | 2 | * (C) Copyright 2001-2005 |
9e3f8cdf WD |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
9e3f8cdf WD |
6 | */ |
7 | ||
8 | /* | |
9 | * board/config.h - configuration options, board specific | |
10 | */ | |
11 | ||
12 | #ifndef __CONFIG_H | |
13 | #define __CONFIG_H | |
14 | ||
15 | #include <mpc8xx_irq.h> | |
16 | ||
17 | /* | |
18 | * High Level Configuration Options | |
19 | * (easy to change) | |
20 | */ | |
21 | #define CONFIG_MPC860 1 | |
22 | #define CONFIG_MPC860T 1 | |
23 | #define CONFIG_ICU862 1 | |
24 | #define CONFIG_MPC862 1 | |
25 | ||
2ae18241 WD |
26 | #define CONFIG_SYS_TEXT_BASE 0x40F00000 |
27 | ||
9e3f8cdf WD |
28 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
29 | #undef CONFIG_8xx_CONS_SMC2 | |
30 | #undef CONFIG_8xx_CONS_NONE | |
31 | #define CONFIG_BAUDRATE 9600 | |
32 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
33 | ||
34 | #ifdef CONFIG_100MHz | |
35 | #define MPC8XX_FACT 24 /* Multiply by 24 */ | |
36 | #define MPC8XX_XIN 4165000 /* 4.165 MHz in */ | |
37 | #define CONFIG_8xx_GCLK_FREQ (MPC8XX_FACT * MPC8XX_XIN) | |
38 | /* define if cant' use get_gclk_freq */ | |
39 | #else | |
40 | #if 1 /* for 50MHz version of processor */ | |
41 | #define MPC8XX_FACT 12 /* Multiply by 12 */ | |
42 | #define MPC8XX_XIN 4000000 /* 4 MHz in */ | |
43 | #define CONFIG_8xx_GCLK_FREQ 48000000 /* define if cant use get_gclk_freq */ | |
44 | #else /* for 80MHz version of processor */ | |
45 | #define MPC8XX_FACT 20 /* Multiply by 20 */ | |
46 | #define MPC8XX_XIN 4000000 /* 4 MHz in */ | |
47 | #define CONFIG_8xx_GCLK_FREQ 80000000 /* define if cant use get_gclk_freq */ | |
48 | #endif | |
49 | #endif | |
50 | ||
9e3f8cdf WD |
51 | #if 0 |
52 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
53 | #else | |
54 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
55 | #endif | |
56 | ||
32bf3d14 | 57 | #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo" |
9e3f8cdf WD |
58 | |
59 | #undef CONFIG_BOOTARGS | |
60 | #define CONFIG_BOOTCOMMAND \ | |
53677ef1 WD |
61 | "bootp;" \ |
62 | "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ | |
63 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \ | |
9e3f8cdf WD |
64 | "bootm" |
65 | ||
66 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
67 | ||
68 | #define CONFIG_STATUS_LED 1 /* Status LED enabled */ | |
69 | ||
7be044e4 JL |
70 | /* |
71 | * BOOTP options | |
72 | */ | |
73 | #define CONFIG_BOOTP_SUBNETMASK | |
74 | #define CONFIG_BOOTP_GATEWAY | |
75 | #define CONFIG_BOOTP_HOSTNAME | |
76 | #define CONFIG_BOOTP_BOOTPATH | |
77 | #define CONFIG_BOOTP_BOOTFILESIZE | |
78 | ||
9e3f8cdf WD |
79 | |
80 | #undef CONFIG_SCC1_ENET /* disable SCC1 ethernet */ | |
81 | #define CONFIG_FEC_ENET 1 /* use FEC ethernet */ | |
63ff004c | 82 | #define CONFIG_MII 1 |
9e3f8cdf | 83 | #if 1 |
6d0f6bcf | 84 | #define CONFIG_SYS_DISCOVER_PHY 1 |
9e3f8cdf | 85 | #else |
6d0f6bcf | 86 | #undef CONFIG_SYS_DISCOVER_PHY |
9e3f8cdf WD |
87 | #endif |
88 | ||
89 | #define CONFIG_MAC_PARTITION | |
90 | #define CONFIG_DOS_PARTITION | |
91 | ||
92 | /* enable I2C and select the hardware/software driver */ | |
93 | #undef CONFIG_HARD_I2C /* I2C with hardware support */ | |
94 | #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ | |
6d0f6bcf JCPV |
95 | # define CONFIG_SYS_I2C_SPEED 50000 |
96 | # define CONFIG_SYS_I2C_SLAVE 0xFE | |
97 | # define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 | |
98 | # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */ | |
9e3f8cdf WD |
99 | /* |
100 | * Software (bit-bang) I2C driver configuration | |
101 | */ | |
102 | #define PB_SCL 0x00000020 /* PB 26 */ | |
103 | #define PB_SDA 0x00000010 /* PB 27 */ | |
104 | ||
105 | #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) | |
106 | #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) | |
107 | #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) | |
108 | #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) | |
109 | #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ | |
110 | else immr->im_cpm.cp_pbdat &= ~PB_SDA | |
111 | #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ | |
112 | else immr->im_cpm.cp_pbdat &= ~PB_SCL | |
113 | #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ | |
114 | ||
6d0f6bcf JCPV |
115 | #define CONFIG_SYS_EEPROM_X40430 /* Use a Xicor X40430 EEPROM */ |
116 | #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 /* 16 bytes page write mode */ | |
9e3f8cdf WD |
117 | |
118 | #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ | |
119 | ||
348f258f JL |
120 | |
121 | /* | |
122 | * Command line configuration. | |
123 | */ | |
124 | #include <config_cmd_default.h> | |
125 | ||
126 | #define CONFIG_CMD_ASKENV | |
127 | #define CONFIG_CMD_DATE | |
128 | #define CONFIG_CMD_DHCP | |
129 | #define CONFIG_CMD_EEPROM | |
130 | #define CONFIG_CMD_I2C | |
131 | #define CONFIG_CMD_IDE | |
132 | #define CONFIG_CMD_NFS | |
133 | #define CONFIG_CMD_SNTP | |
134 | ||
9e3f8cdf WD |
135 | |
136 | /* | |
137 | * Miscellaneous configurable options | |
138 | */ | |
6d0f6bcf JCPV |
139 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
140 | #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ | |
348f258f | 141 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 142 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
9e3f8cdf | 143 | #else |
6d0f6bcf | 144 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
9e3f8cdf | 145 | #endif |
6d0f6bcf JCPV |
146 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ |
147 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
148 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ | |
9e3f8cdf | 149 | |
6d0f6bcf JCPV |
150 | #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */ |
151 | #define CONFIG_SYS_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */ | |
9e3f8cdf | 152 | |
6d0f6bcf | 153 | #define CONFIG_SYS_LOAD_ADDR 0x00100000 |
9e3f8cdf | 154 | |
6d0f6bcf | 155 | #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ |
9e3f8cdf | 156 | |
9e3f8cdf WD |
157 | /* |
158 | * Low Level Configuration Settings | |
159 | * (address mappings, register initial values, etc.) | |
160 | * You should know what you are doing if you make changes here. | |
161 | */ | |
162 | /*----------------------------------------------------------------------- | |
163 | * Internal Memory Mapped Register | |
164 | */ | |
6d0f6bcf JCPV |
165 | #define CONFIG_SYS_IMMR 0xF0000000 |
166 | #define CONFIG_SYS_IMMR_SIZE ((uint)(64 * 1024)) | |
9e3f8cdf WD |
167 | |
168 | /*----------------------------------------------------------------------- | |
169 | * Definitions for initial stack pointer and data area (in DPRAM) | |
170 | */ | |
6d0f6bcf | 171 | #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
553f0982 | 172 | #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */ |
25ddd1fb | 173 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) |
6d0f6bcf | 174 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET |
9e3f8cdf WD |
175 | |
176 | /*----------------------------------------------------------------------- | |
177 | * Start addresses for the final memory configuration | |
178 | * (Set up by the startup code) | |
6d0f6bcf | 179 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
9e3f8cdf | 180 | */ |
6d0f6bcf JCPV |
181 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 |
182 | #define CONFIG_SYS_FLASH_BASE 0x40000000 | |
183 | #define CONFIG_SYS_FLASH_SIZE ((uint)(16 * 1024 * 1024)) /* max 16Mbyte */ | |
9e3f8cdf | 184 | |
6d0f6bcf | 185 | #define CONFIG_SYS_RESET_ADDRESS 0xFFF00100 |
9e3f8cdf WD |
186 | |
187 | #if 0 | |
188 | #if defined(DEBUG) | |
6d0f6bcf | 189 | #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
9e3f8cdf | 190 | #else |
6d0f6bcf | 191 | #define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ |
9e3f8cdf WD |
192 | #endif |
193 | #else | |
6d0f6bcf | 194 | #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
9e3f8cdf | 195 | #endif |
14d0a02a | 196 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE |
6d0f6bcf | 197 | #define CONFIG_SYS_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */ |
9e3f8cdf WD |
198 | |
199 | /* | |
200 | * For booting Linux, the board info and command line data | |
201 | * have to be in the first 8 MB of memory, since this is | |
202 | * the maximum mapped by the Linux kernel during initialization. | |
203 | */ | |
6d0f6bcf | 204 | #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
9e3f8cdf WD |
205 | /*----------------------------------------------------------------------- |
206 | * FLASH organization | |
207 | */ | |
6d0f6bcf JCPV |
208 | #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
209 | #define CONFIG_SYS_MAX_FLASH_SECT 64 /* max number of sectors on one chip */ | |
9e3f8cdf | 210 | |
6d0f6bcf JCPV |
211 | #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
212 | #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
9e3f8cdf WD |
213 | |
214 | ||
5a1aceb0 | 215 | #define CONFIG_ENV_IS_IN_FLASH 1 |
0e8d1586 | 216 | #define CONFIG_ENV_OFFSET 0x00F40000 |
9e3f8cdf | 217 | |
0e8d1586 JCPV |
218 | #define CONFIG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment sector */ |
219 | #define CONFIG_ENV_SIZE 0x4000 /* Used Size of Environment Sector */ | |
6d0f6bcf | 220 | #define CONFIG_SYS_USE_PPCENV /* Environment embedded in sect .ppcenv */ |
9e3f8cdf WD |
221 | |
222 | /*----------------------------------------------------------------------- | |
223 | * Cache Configuration | |
224 | */ | |
6d0f6bcf | 225 | #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
348f258f | 226 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 227 | #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
9e3f8cdf WD |
228 | #endif |
229 | ||
230 | /*----------------------------------------------------------------------- | |
231 | * SYPCR - System Protection Control 11-9 | |
232 | * SYPCR can only be written once after reset! | |
233 | *----------------------------------------------------------------------- | |
234 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
235 | */ | |
236 | #if defined(CONFIG_WATCHDOG) | |
6d0f6bcf | 237 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
9e3f8cdf WD |
238 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
239 | #else | |
6d0f6bcf | 240 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
9e3f8cdf WD |
241 | #endif |
242 | ||
243 | /*----------------------------------------------------------------------- | |
244 | * SIUMCR - SIU Module Configuration 11-6 | |
245 | *----------------------------------------------------------------------- | |
246 | * PCMCIA config., multi-function pin tri-state | |
247 | */ | |
6d0f6bcf | 248 | #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) |
9e3f8cdf WD |
249 | |
250 | /*----------------------------------------------------------------------- | |
251 | * TBSCR - Time Base Status and Control 11-26 | |
252 | *----------------------------------------------------------------------- | |
253 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
254 | */ | |
6d0f6bcf | 255 | #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE) |
9e3f8cdf WD |
256 | |
257 | /*----------------------------------------------------------------------- | |
258 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
259 | *----------------------------------------------------------------------- | |
260 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
261 | */ | |
6d0f6bcf | 262 | #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF) |
9e3f8cdf WD |
263 | |
264 | /*----------------------------------------------------------------------- | |
265 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
266 | *----------------------------------------------------------------------- | |
267 | * set the PLL, the low-power modes and the reset control (15-29) | |
268 | */ | |
6d0f6bcf | 269 | #define CONFIG_SYS_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \ |
9e3f8cdf WD |
270 | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) |
271 | ||
272 | /*----------------------------------------------------------------------- | |
273 | * SCCR - System Clock and reset Control Register 15-27 | |
274 | *----------------------------------------------------------------------- | |
275 | * Set clock output, timebase and RTC source and divider, | |
276 | * power management and some other internal clocks | |
277 | */ | |
278 | #ifdef CONFIG_100MHz /* for 100 MHz, external bus is half CPU clock */ | |
279 | #define SCCR_MASK 0 | |
6d0f6bcf | 280 | #define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \ |
9e3f8cdf WD |
281 | SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \ |
282 | SCCR_DFLCD000 |SCCR_DFALCD00 | SCCR_EBDF01) | |
283 | #else /* up to 50 MHz we use a 1:1 clock */ | |
284 | #define SCCR_MASK SCCR_EBDF11 | |
6d0f6bcf | 285 | #define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \ |
9e3f8cdf WD |
286 | SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \ |
287 | SCCR_DFLCD000 |SCCR_DFALCD00 ) | |
288 | #endif /* CONFIG_100MHz */ | |
289 | ||
290 | /*----------------------------------------------------------------------- | |
291 | * RCCR - RISC Controller Configuration Register 19-4 | |
292 | *----------------------------------------------------------------------- | |
293 | */ | |
294 | /* +0x09C4 => DRQP = 10 (IDMA requests have lowest priority) */ | |
6d0f6bcf | 295 | #define CONFIG_SYS_RCCR 0x0020 |
9e3f8cdf WD |
296 | |
297 | /*----------------------------------------------------------------------- | |
298 | * PCMCIA stuff | |
299 | *----------------------------------------------------------------------- | |
300 | */ | |
6d0f6bcf JCPV |
301 | #define CONFIG_SYS_PCMCIA_MEM_ADDR (0xE0000000) |
302 | #define CONFIG_SYS_PCMCIA_MEM_SIZE ( 64 << 20 ) | |
303 | #define CONFIG_SYS_PCMCIA_DMA_ADDR (0xE4000000) | |
304 | #define CONFIG_SYS_PCMCIA_DMA_SIZE ( 64 << 20 ) | |
305 | #define CONFIG_SYS_PCMCIA_ATTRB_ADDR (0xE8000000) | |
306 | #define CONFIG_SYS_PCMCIA_ATTRB_SIZE ( 64 << 20 ) | |
307 | #define CONFIG_SYS_PCMCIA_IO_ADDR (0xEC000000) | |
308 | #define CONFIG_SYS_PCMCIA_IO_SIZE ( 64 << 20 ) | |
9e3f8cdf WD |
309 | |
310 | /*----------------------------------------------------------------------- | |
311 | * PCMCIA Power Switch | |
312 | * | |
313 | * The ICU862 uses a TPS2205 PC-Card Power-Interface Switch to | |
314 | * control the voltages on the PCMCIA slot which is connected to Port B | |
315 | *----------------------------------------------------------------------- | |
316 | */ | |
317 | /* Output pins */ | |
318 | #define TPS2205_VCC5 0x00008000 /* PB.16: 5V Voltage Control */ | |
319 | #define TPS2205_VCC3 0x00004000 /* PB.17: 3V Voltage Control */ | |
320 | #define TPS2205_VPP_PGM 0x00002000 /* PB.18: PGM Voltage Control */ | |
321 | #define TPS2205_VPP_VCC 0x00001000 /* PB.19: VPP Voltage Control */ | |
322 | #define TPS2205_SHDN 0x00000200 /* PB.22: Shutdown */ | |
323 | #define TPS2205_OUTPUTS ( TPS2205_VCC5 | TPS2205_VCC3 | \ | |
324 | TPS2205_VPP_PGM | TPS2205_VPP_VCC | \ | |
325 | TPS2205_SHDN) | |
326 | ||
327 | /* Input pins */ | |
328 | #define TPS2205_OC 0x00000100 /* PB.23: Over-Current */ | |
329 | #define TPS2205_INPUTS ( TPS2205_OC ) | |
330 | ||
331 | /*----------------------------------------------------------------------- | |
332 | * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) | |
333 | *----------------------------------------------------------------------- | |
334 | */ | |
335 | ||
8d1165e1 | 336 | #define CONFIG_IDE_PREINIT 1 /* Use preinit IDE hook */ |
9e3f8cdf WD |
337 | #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ |
338 | ||
339 | #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ | |
340 | #undef CONFIG_IDE_LED /* LED for ide not supported */ | |
341 | #undef CONFIG_IDE_RESET /* reset for ide not supported */ | |
342 | ||
6d0f6bcf JCPV |
343 | #define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */ |
344 | #define CONFIG_SYS_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ | |
9e3f8cdf | 345 | |
6d0f6bcf | 346 | #define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000 |
9e3f8cdf | 347 | |
6d0f6bcf | 348 | #define CONFIG_SYS_ATA_BASE_ADDR CONFIG_SYS_PCMCIA_MEM_ADDR |
9e3f8cdf WD |
349 | |
350 | /* Offset for data I/O */ | |
6d0f6bcf | 351 | #define CONFIG_SYS_ATA_DATA_OFFSET (CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320) |
9e3f8cdf WD |
352 | |
353 | /* Offset for normal register accesses */ | |
6d0f6bcf | 354 | #define CONFIG_SYS_ATA_REG_OFFSET (2 * CONFIG_SYS_PCMCIA_MEM_SIZE + 0x320) |
9e3f8cdf WD |
355 | |
356 | /* Offset for alternate registers */ | |
6d0f6bcf | 357 | #define CONFIG_SYS_ATA_ALT_OFFSET 0x0100 |
9e3f8cdf WD |
358 | |
359 | ||
360 | /*----------------------------------------------------------------------- | |
361 | * | |
362 | *----------------------------------------------------------------------- | |
363 | * | |
364 | */ | |
6d0f6bcf | 365 | #define CONFIG_SYS_DER 0 |
9e3f8cdf WD |
366 | |
367 | /* Because of the way the 860 starts up and assigns CS0 the | |
368 | * entire address space, we have to set the memory controller | |
369 | * differently. Normally, you write the option register | |
370 | * first, and then enable the chip select by writing the | |
371 | * base register. For CS0, you must write the base register | |
372 | * first, followed by the option register. | |
373 | */ | |
374 | ||
375 | /* | |
376 | * Init Memory Controller: | |
377 | * | |
378 | * BR0 and OR0 (FLASH) | |
379 | */ | |
380 | ||
381 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ | |
382 | #define FLASH_BASE1_PRELIM 0x0 /* FLASH bank #1 */ | |
383 | ||
6d0f6bcf JCPV |
384 | #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */ |
385 | #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ | |
9e3f8cdf WD |
386 | |
387 | /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */ | |
6d0f6bcf | 388 | #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX) |
9e3f8cdf | 389 | |
6d0f6bcf | 390 | #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) |
9e3f8cdf | 391 | |
6d0f6bcf JCPV |
392 | #define CONFIG_SYS_OR0_PRELIM 0xFF000954 /* Real values for the board */ |
393 | #define CONFIG_SYS_BR0_PRELIM 0x40000001 /* Real values for the board */ | |
9e3f8cdf WD |
394 | |
395 | /* | |
396 | * BR1 and OR1 (SDRAM) | |
397 | */ | |
398 | #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank */ | |
399 | #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ | |
400 | ||
6d0f6bcf | 401 | #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000800 /* BIH is not set */ |
9e3f8cdf | 402 | |
6d0f6bcf JCPV |
403 | #define CONFIG_SYS_OR1_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM) |
404 | #define CONFIG_SYS_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V) | |
9e3f8cdf WD |
405 | |
406 | /* | |
407 | * Memory Periodic Timer Prescaler | |
408 | */ | |
409 | ||
410 | /* periodic timer for refresh */ | |
6d0f6bcf | 411 | #define CONFIG_SYS_MAMR_PTA 97 /* start with divider for 100 MHz */ |
9e3f8cdf WD |
412 | |
413 | /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ | |
6d0f6bcf JCPV |
414 | #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ |
415 | #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ | |
9e3f8cdf WD |
416 | |
417 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ | |
6d0f6bcf JCPV |
418 | #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ |
419 | #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ | |
9e3f8cdf WD |
420 | |
421 | /* | |
422 | * MAMR settings for SDRAM | |
423 | */ | |
424 | ||
425 | /* 8 column SDRAM */ | |
6d0f6bcf | 426 | #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
9e3f8cdf WD |
427 | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ |
428 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
429 | /* 9 column SDRAM */ | |
6d0f6bcf | 430 | #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
9e3f8cdf WD |
431 | MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ |
432 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
433 | ||
6d0f6bcf | 434 | #define CONFIG_SYS_MAMR 0x13a01114 |
9e3f8cdf WD |
435 | |
436 | #ifdef CONFIG_MPC860T | |
437 | ||
438 | /* Interrupt level assignments. | |
439 | */ | |
440 | #define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */ | |
441 | ||
442 | #endif /* CONFIG_MPC860T */ | |
443 | ||
444 | ||
445 | #endif /* __CONFIG_H */ |