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6bdf4306 WD |
1 | /* |
2 | * (C) Copyright 2000-2004 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
6bdf4306 WD |
6 | */ |
7 | ||
8 | /* | |
9 | * Dan Malek, Embedded Edge, LLC, dan@embeddededge.com | |
10 | * U-Boot port on STx XTc 8xx board | |
11 | * Mostly copied from Panto's NETTA2 board. | |
12 | */ | |
13 | ||
14 | #ifndef __CONFIG_H | |
15 | #define __CONFIG_H | |
16 | ||
17 | /* | |
18 | * High Level Configuration Options | |
19 | * (easy to change) | |
20 | */ | |
21 | ||
22 | #define CONFIG_MPC875 1 /* This is a MPC875 CPU */ | |
23 | #define CONFIG_STXXTC 1 /* ...on a STx XTc board */ | |
24 | ||
2ae18241 WD |
25 | #define CONFIG_SYS_TEXT_BASE 0x40F00000 |
26 | ||
6bdf4306 WD |
27 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
28 | #undef CONFIG_8xx_CONS_SMC2 | |
29 | #undef CONFIG_8xx_CONS_NONE | |
30 | ||
670d9f13 | 31 | #define CONFIG_BAUDRATE 115200 /* console baudrate = 115.2kbps */ |
6bdf4306 WD |
32 | |
33 | #define CONFIG_XIN 10000000 /* 10 MHz input xtal */ | |
34 | ||
35 | /* Select one of few clock rates defined later in this file. | |
36 | */ | |
37 | /* #define MPC8XX_HZ 50000000 */ | |
38 | #define MPC8XX_HZ 66666666 | |
39 | ||
40 | #define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ | |
41 | ||
42 | #if 0 | |
43 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
44 | #else | |
45 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
46 | #endif | |
47 | ||
48 | #undef CONFIG_CLOCKS_IN_MHZ /* clocks NOT passsed to Linux in MHz */ | |
49 | ||
50 | #undef CONFIG_BOOTARGS | |
51 | #define CONFIG_BOOTCOMMAND \ | |
53677ef1 WD |
52 | "tftpboot; " \ |
53 | "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ | |
54 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \ | |
6bdf4306 WD |
55 | "bootm" |
56 | ||
74de7aef | 57 | #define CONFIG_SOURCE |
6bdf4306 | 58 | #define CONFIG_LOADS_ECHO 0 /* echo off for serial download */ |
6d0f6bcf | 59 | #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */ |
6bdf4306 WD |
60 | |
61 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
62 | ||
63 | #define CONFIG_STATUS_LED 1 /* Status LED enabled */ | |
64 | #define CONFIG_BOARD_SPECIFIC_LED /* version has board specific leds */ | |
65 | ||
d3b8c1a7 JL |
66 | /* |
67 | * BOOTP options | |
68 | */ | |
69 | #define CONFIG_BOOTP_SUBNETMASK | |
70 | #define CONFIG_BOOTP_GATEWAY | |
71 | #define CONFIG_BOOTP_HOSTNAME | |
72 | #define CONFIG_BOOTP_BOOTPATH | |
73 | #define CONFIG_BOOTP_BOOTFILESIZE | |
74 | #define CONFIG_BOOTP_NISDOMAIN | |
75 | ||
6bdf4306 WD |
76 | |
77 | #undef CONFIG_MAC_PARTITION | |
78 | #undef CONFIG_DOS_PARTITION | |
79 | ||
80 | #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ | |
81 | ||
6bdf4306 | 82 | #define FEC_ENET 1 /* eth.c needs it that way... */ |
6d0f6bcf | 83 | #undef CONFIG_SYS_DISCOVER_PHY |
6bdf4306 | 84 | #define CONFIG_MII 1 |
0f3ba7e9 | 85 | #define CONFIG_MII_INIT 1 |
6bdf4306 WD |
86 | #undef CONFIG_RMII |
87 | ||
88 | #define CONFIG_ETHER_ON_FEC1 1 | |
53677ef1 | 89 | #define CONFIG_FEC1_PHY 1 /* phy address of FEC */ |
6bdf4306 WD |
90 | #undef CONFIG_FEC1_PHY_NORXERR |
91 | ||
92 | #define CONFIG_ETHER_ON_FEC2 1 | |
93 | #define CONFIG_FEC2_PHY 3 | |
94 | #undef CONFIG_FEC2_PHY_NORXERR | |
95 | ||
96 | #define CONFIG_ENV_OVERWRITE 1 /* allow modification of vendor params */ | |
97 | ||
ef0df52a JL |
98 | |
99 | /* | |
100 | * Command line configuration. | |
101 | */ | |
102 | #include <config_cmd_default.h> | |
103 | ||
104 | #define CONFIG_CMD_DHCP | |
105 | #define CONFIG_CMD_MII | |
ef0df52a JL |
106 | #define CONFIG_CMD_NFS |
107 | #define CONFIG_CMD_PING | |
108 | ||
6bdf4306 WD |
109 | |
110 | #define CONFIG_BOARD_EARLY_INIT_F 1 | |
111 | #define CONFIG_MISC_INIT_R | |
112 | ||
6bdf4306 WD |
113 | /* |
114 | * Miscellaneous configurable options | |
115 | */ | |
6d0f6bcf JCPV |
116 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
117 | #define CONFIG_SYS_PROMPT "xtc> " /* Monitor Command Prompt */ | |
6bdf4306 | 118 | |
6d0f6bcf | 119 | #define CONFIG_SYS_HUSH_PARSER 1 |
6bdf4306 | 120 | |
ef0df52a | 121 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 122 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
6bdf4306 | 123 | #else |
6d0f6bcf | 124 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
6bdf4306 | 125 | #endif |
6d0f6bcf JCPV |
126 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ |
127 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
128 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ | |
6bdf4306 | 129 | |
6d0f6bcf JCPV |
130 | #define CONFIG_SYS_MEMTEST_START 0x0300000 /* memtest works on */ |
131 | #define CONFIG_SYS_MEMTEST_END 0x0700000 /* 3 ... 7 MB in DRAM */ | |
6bdf4306 | 132 | |
6d0f6bcf | 133 | #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ |
6bdf4306 | 134 | |
6bdf4306 WD |
135 | /* |
136 | * Low Level Configuration Settings | |
137 | * (address mappings, register initial values, etc.) | |
138 | * You should know what you are doing if you make changes here. | |
139 | */ | |
140 | /*----------------------------------------------------------------------- | |
141 | * Internal Memory Mapped Register | |
142 | */ | |
6d0f6bcf | 143 | #define CONFIG_SYS_IMMR 0xFF000000 |
6bdf4306 WD |
144 | |
145 | /*----------------------------------------------------------------------- | |
146 | * Definitions for initial stack pointer and data area (in DPRAM) | |
147 | */ | |
6d0f6bcf | 148 | #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
553f0982 | 149 | #define CONFIG_SYS_INIT_RAM_SIZE 0x3000 /* Size of used area in DPRAM */ |
25ddd1fb | 150 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) |
6d0f6bcf | 151 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET |
6bdf4306 WD |
152 | |
153 | /*----------------------------------------------------------------------- | |
154 | * Start addresses for the final memory configuration | |
155 | * (Set up by the startup code) | |
6d0f6bcf | 156 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
6bdf4306 | 157 | */ |
6d0f6bcf JCPV |
158 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 |
159 | #define CONFIG_SYS_FLASH_BASE 0x40000000 | |
6bdf4306 | 160 | #if defined(DEBUG) |
6d0f6bcf | 161 | #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
6bdf4306 | 162 | #else |
6d0f6bcf | 163 | #define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ |
6bdf4306 WD |
164 | #endif |
165 | ||
166 | /* yes this is weird, I know :) */ | |
6d0f6bcf JCPV |
167 | #define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE | 0x00F00000) |
168 | #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
6bdf4306 | 169 | |
6d0f6bcf | 170 | #define CONFIG_SYS_RESET_ADDRESS 0x80000000 |
6bdf4306 WD |
171 | |
172 | /* | |
173 | * For booting Linux, the board info and command line data | |
174 | * have to be in the first 8 MB of memory, since this is | |
175 | * the maximum mapped by the Linux kernel during initialization. | |
176 | */ | |
6d0f6bcf | 177 | #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
6bdf4306 WD |
178 | |
179 | /*----------------------------------------------------------------------- | |
180 | * FLASH organization | |
181 | */ | |
5a1aceb0 | 182 | #define CONFIG_ENV_IS_IN_FLASH 1 |
0e8d1586 | 183 | #define CONFIG_ENV_SECT_SIZE 0x10000 |
6bdf4306 | 184 | |
6d0f6bcf | 185 | #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x00000000) |
0e8d1586 JCPV |
186 | #define CONFIG_ENV_OFFSET 0 |
187 | #define CONFIG_ENV_SIZE 0x4000 | |
6bdf4306 | 188 | |
6d0f6bcf | 189 | #define CONFIG_ENV_ADDR_REDUND (CONFIG_SYS_FLASH_BASE + 0x00010000) |
0e8d1586 JCPV |
190 | #define CONFIG_ENV_OFFSET_REDUND 0 |
191 | #define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE | |
6bdf4306 | 192 | |
6d0f6bcf | 193 | #define CONFIG_SYS_FLASH_CFI 1 |
00b1883a | 194 | #define CONFIG_FLASH_CFI_DRIVER 1 |
6d0f6bcf JCPV |
195 | #undef CONFIG_SYS_FLASH_USE_BUFFER_WRITE /* use buffered writes (20x faster) */ |
196 | #define CONFIG_SYS_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ | |
197 | #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */ | |
6bdf4306 | 198 | |
6d0f6bcf | 199 | #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE + 0x2000000 } |
6bdf4306 | 200 | |
6d0f6bcf | 201 | #define CONFIG_SYS_FLASH_PROTECTION |
6bdf4306 WD |
202 | |
203 | /*----------------------------------------------------------------------- | |
204 | * Cache Configuration | |
205 | */ | |
6d0f6bcf | 206 | #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
ef0df52a | 207 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 208 | #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
6bdf4306 WD |
209 | #endif |
210 | ||
211 | /*----------------------------------------------------------------------- | |
212 | * SYPCR - System Protection Control 11-9 | |
213 | * SYPCR can only be written once after reset! | |
214 | *----------------------------------------------------------------------- | |
215 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
216 | */ | |
217 | #if defined(CONFIG_WATCHDOG) | |
6d0f6bcf | 218 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
6bdf4306 WD |
219 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
220 | #else | |
6d0f6bcf | 221 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
6bdf4306 WD |
222 | #endif |
223 | ||
224 | /*----------------------------------------------------------------------- | |
225 | * SIUMCR - SIU Module Configuration 11-6 | |
226 | *----------------------------------------------------------------------- | |
227 | * PCMCIA config., multi-function pin tri-state | |
228 | */ | |
6d0f6bcf | 229 | #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_FRC | SIUMCR_GB5E) |
6bdf4306 WD |
230 | |
231 | /*----------------------------------------------------------------------- | |
232 | * TBSCR - Time Base Status and Control 11-26 | |
233 | *----------------------------------------------------------------------- | |
234 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
235 | */ | |
6d0f6bcf | 236 | #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
6bdf4306 WD |
237 | |
238 | /*----------------------------------------------------------------------- | |
239 | * RTCSC - Real-Time Clock Status and Control Register 11-27 | |
240 | *----------------------------------------------------------------------- | |
241 | */ | |
6d0f6bcf | 242 | #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) |
6bdf4306 WD |
243 | |
244 | /*----------------------------------------------------------------------- | |
245 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
246 | *----------------------------------------------------------------------- | |
247 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
248 | */ | |
6d0f6bcf | 249 | #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF) |
6bdf4306 WD |
250 | |
251 | /*----------------------------------------------------------------------- | |
252 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
253 | *----------------------------------------------------------------------- | |
254 | * Reset PLL lock status sticky bit, timer expired status bit and timer | |
255 | * interrupt status bit | |
256 | * | |
257 | */ | |
258 | ||
259 | #if CONFIG_XIN == 10000000 | |
260 | ||
261 | #if MPC8XX_HZ == 50000000 | |
6d0f6bcf | 262 | #define CONFIG_SYS_PLPRCR ((0 << PLPRCR_MFN_SHIFT) | (0 << PLPRCR_MFD_SHIFT) | \ |
6bdf4306 | 263 | (1 << PLPRCR_S_SHIFT) | (10 << PLPRCR_MFI_SHIFT) | (0 << PLPRCR_PDF_SHIFT) | \ |
53677ef1 | 264 | PLPRCR_TEXPS) |
6bdf4306 | 265 | #elif MPC8XX_HZ == 66666666 |
6d0f6bcf | 266 | #define CONFIG_SYS_PLPRCR ((1 << PLPRCR_MFN_SHIFT) | (2 << PLPRCR_MFD_SHIFT) | \ |
6bdf4306 | 267 | (1 << PLPRCR_S_SHIFT) | (13 << PLPRCR_MFI_SHIFT) | (0 << PLPRCR_PDF_SHIFT) | \ |
53677ef1 | 268 | PLPRCR_TEXPS) |
6bdf4306 WD |
269 | #else |
270 | #error unsupported CPU freq for XIN = 10MHz | |
271 | #endif | |
272 | #else | |
273 | #error unsupported freq for XIN (must be 10MHz) | |
274 | #endif | |
275 | ||
276 | ||
277 | /* | |
278 | *----------------------------------------------------------------------- | |
279 | * SCCR - System Clock and reset Control Register 15-27 | |
280 | *----------------------------------------------------------------------- | |
281 | * Set clock output, timebase and RTC source and divider, | |
282 | * power management and some other internal clocks | |
283 | * | |
284 | * Note: When TBS == 0 the timebase is independent of current cpu clock. | |
285 | */ | |
286 | ||
287 | #define SCCR_MASK SCCR_EBDF11 | |
288 | #if MPC8XX_HZ > 66666666 | |
6d0f6bcf | 289 | #define CONFIG_SYS_SCCR (/* SCCR_TBS | */ SCCR_CRQEN | \ |
6bdf4306 WD |
290 | SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
291 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ | |
292 | SCCR_DFALCD00 | SCCR_EBDF01) | |
293 | #else | |
6d0f6bcf | 294 | #define CONFIG_SYS_SCCR (/* SCCR_TBS | */ SCCR_CRQEN | \ |
6bdf4306 WD |
295 | SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
296 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ | |
297 | SCCR_DFALCD00) | |
298 | #endif | |
299 | ||
300 | /*----------------------------------------------------------------------- | |
301 | * | |
302 | *----------------------------------------------------------------------- | |
303 | * | |
304 | */ | |
6d0f6bcf JCPV |
305 | /*#define CONFIG_SYS_DER 0x2002000F*/ |
306 | #define CONFIG_SYS_DER 0 | |
6bdf4306 WD |
307 | |
308 | /* | |
309 | * Init Memory Controller: | |
310 | * | |
311 | * BR0/1 and OR0/1 (FLASH) | |
312 | */ | |
313 | ||
314 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ | |
315 | #define FLASH_BASE1_PRELIM 0x42000000 /* FLASH bank #1 */ | |
316 | ||
317 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
318 | * restrict access enough to keep SRAM working (if any) | |
319 | * but not too much to meddle with FLASH accesses | |
320 | */ | |
321 | ||
322 | #define FLASH_BANK_MAX_SIZE 0x01000000 /* max size per chip */ | |
323 | ||
6d0f6bcf JCPV |
324 | #define CONFIG_SYS_REMAP_OR_AM 0x80000000 |
325 | #define CONFIG_SYS_PRELIM_OR_AM (0xFFFFFFFFLU & ~(FLASH_BANK_MAX_SIZE - 1)) | |
6bdf4306 WD |
326 | |
327 | /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */ | |
6d0f6bcf | 328 | #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | OR_SCY_5_CLK | OR_TRLX) |
6bdf4306 | 329 | |
6d0f6bcf JCPV |
330 | #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) |
331 | #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) | |
332 | #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) | |
6bdf4306 | 333 | |
6d0f6bcf JCPV |
334 | #define CONFIG_SYS_OR1_PRELIM ((0xFFFFFFFFLU & ~(FLASH_BANK_MAX_SIZE - 1)) | CONFIG_SYS_OR_TIMING_FLASH) |
335 | #define CONFIG_SYS_BR1_PRELIM ((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) | |
6bdf4306 WD |
336 | |
337 | /* | |
338 | * BR4 and OR4 (SDRAM) | |
339 | * | |
340 | */ | |
341 | #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */ | |
342 | #define SDRAM_MAX_SIZE (256 << 20) /* max 256MB per bank */ | |
343 | ||
344 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ | |
6d0f6bcf | 345 | #define CONFIG_SYS_OR_TIMING_SDRAM (OR_CSNT_SAM | OR_G5LS) |
6bdf4306 | 346 | |
6d0f6bcf JCPV |
347 | #define CONFIG_SYS_OR4_PRELIM ((0xFFFFFFFFLU & ~(SDRAM_MAX_SIZE - 1)) | CONFIG_SYS_OR_TIMING_SDRAM) |
348 | #define CONFIG_SYS_BR4_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_PS_32 | BR_V) | |
6bdf4306 WD |
349 | |
350 | /* | |
351 | * Memory Periodic Timer Prescaler | |
352 | */ | |
353 | ||
354 | /* | |
355 | * Memory Periodic Timer Prescaler | |
356 | * | |
357 | * The Divider for PTA (refresh timer) configuration is based on an | |
358 | * example SDRAM configuration (64 MBit, one bank). The adjustment to | |
359 | * the number of chip selects (NCS) and the actually needed refresh | |
360 | * rate is done by setting MPTPR. | |
361 | * | |
362 | * PTA is calculated from | |
363 | * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) | |
364 | * | |
365 | * gclk CPU clock (not bus clock!) | |
366 | * Trefresh Refresh cycle * 4 (four word bursts used) | |
367 | * | |
368 | * 4096 Rows from SDRAM example configuration | |
369 | * 1000 factor s -> ms | |
370 | * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration | |
371 | * 4 Number of refresh cycles per period | |
372 | * 64 Refresh cycle in ms per number of rows | |
373 | * -------------------------------------------- | |
374 | * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 | |
375 | * | |
376 | * 50 MHz => 50.000.000 / Divider = 98 | |
377 | * 66 Mhz => 66.000.000 / Divider = 129 | |
378 | * 80 Mhz => 80.000.000 / Divider = 156 | |
379 | */ | |
380 | ||
6d0f6bcf | 381 | #define CONFIG_SYS_MAMR_PTA 234 |
6bdf4306 WD |
382 | |
383 | /* | |
384 | * For 16 MBit, refresh rates could be 31.3 us | |
385 | * (= 64 ms / 2K = 125 / quad bursts). | |
386 | * For a simpler initialization, 15.6 us is used instead. | |
387 | * | |
6d0f6bcf JCPV |
388 | * #define CONFIG_SYS_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks |
389 | * #define CONFIG_SYS_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank | |
6bdf4306 | 390 | */ |
6d0f6bcf JCPV |
391 | #define CONFIG_SYS_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ |
392 | #define CONFIG_SYS_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ | |
6bdf4306 WD |
393 | |
394 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ | |
6d0f6bcf JCPV |
395 | #define CONFIG_SYS_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ |
396 | #define CONFIG_SYS_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ | |
6bdf4306 WD |
397 | |
398 | /* | |
399 | * MAMR settings for SDRAM | |
400 | */ | |
401 | ||
402 | /* 8 column SDRAM */ | |
6d0f6bcf | 403 | #define CONFIG_SYS_MAMR_8COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
6bdf4306 WD |
404 | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ |
405 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
406 | ||
407 | /* 9 column SDRAM */ | |
6d0f6bcf | 408 | #define CONFIG_SYS_MAMR_9COL ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
6bdf4306 WD |
409 | MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ |
410 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
411 | ||
6bdf4306 WD |
412 | #define CONFIG_LAST_STAGE_INIT /* needed to reset the damn phys */ |
413 | ||
414 | /****************************************************************/ | |
415 | ||
416 | #define NAND_SIZE 0x00010000 /* 64K */ | |
417 | #define NAND_BASE 0xF1000000 | |
418 | ||
6bdf4306 WD |
419 | /*****************************************************************************/ |
420 | ||
6d0f6bcf | 421 | #define CONFIG_SYS_DIRECT_FLASH_TFTP |
6bdf4306 WD |
422 | |
423 | /*****************************************************************************/ | |
424 | ||
425 | /* Status Leds are on the MODCK pins, which become the PCMCIA PGCRB, | |
426 | * CxOE and CxRESET. We use the CxOE. | |
427 | */ | |
428 | #define STATUS_LED_BIT 0x00000080 /* bit 24 */ | |
429 | ||
6d0f6bcf | 430 | #define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2) |
6bdf4306 WD |
431 | #define STATUS_LED_STATE STATUS_LED_BLINKING |
432 | ||
433 | #define STATUS_LED_ACTIVE 0 /* LED on for bit == 0 */ | |
434 | #define STATUS_LED_BOOT 0 /* LED 0 used for boot status */ | |
435 | ||
436 | #ifndef __ASSEMBLY__ | |
437 | ||
438 | /* LEDs */ | |
439 | ||
440 | /* led_id_t is unsigned int mask */ | |
441 | typedef unsigned int led_id_t; | |
442 | ||
443 | #define __led_toggle(_msk) \ | |
444 | do { \ | |
6d0f6bcf | 445 | ((volatile immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pgcrb ^= (_msk); \ |
6bdf4306 WD |
446 | } while(0) |
447 | ||
448 | #define __led_set(_msk, _st) \ | |
449 | do { \ | |
450 | if ((_st)) \ | |
6d0f6bcf | 451 | ((volatile immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pgcrb |= (_msk); \ |
6bdf4306 | 452 | else \ |
6d0f6bcf | 453 | ((volatile immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pgcrb &= ~(_msk); \ |
6bdf4306 WD |
454 | } while(0) |
455 | ||
456 | #define __led_init(msk, st) __led_set(msk, st) | |
457 | ||
458 | #endif | |
459 | ||
460 | /******************************************************************************/ | |
461 | ||
6d0f6bcf JCPV |
462 | #define CONFIG_SYS_CONSOLE_IS_IN_ENV 1 |
463 | #define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE 1 | |
464 | #define CONFIG_SYS_CONSOLE_ENV_OVERWRITE 1 | |
6bdf4306 WD |
465 | |
466 | /******************************************************************************/ | |
467 | ||
468 | /* use board specific hardware */ | |
469 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
470 | #define CONFIG_HW_WATCHDOG | |
6bdf4306 WD |
471 | |
472 | /*****************************************************************************/ | |
473 | ||
474 | #define CONFIG_AUTO_COMPLETE 1 | |
475 | #define CONFIG_CRC32_VERIFY 1 | |
476 | #define CONFIG_HUSH_OLD_PARSER_COMPATIBLE 1 | |
477 | ||
070610c5 WD |
478 | /*****************************************************************************/ |
479 | ||
62bcdda2 GVB |
480 | /* pass open firmware flattened device tree */ |
481 | #define CONFIG_OF_LIBFDT 1 | |
6bdf4306 | 482 | |
070610c5 | 483 | #define OF_TBCLK (MPC8XX_HZ / 16) |
6bdf4306 WD |
484 | |
485 | #endif /* __CONFIG_H */ |