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1 /*
2 * (C) Copyright 2004 Paul Reynolds <PaulReynolds@lhsolutions.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 * 1 january 2005 Alain Saurel <asaurel@amcc.com>
25 * Adapted to current Das U-Boot source
26 ***********************************************************************/
27 /************************************************************************
28 * yucca.h - configuration for AMCC 440SPe Ref (yucca)
29 ***********************************************************************/
30
31 #ifndef __CONFIG_H
32 #define __CONFIG_H
33
34 /*-----------------------------------------------------------------------
35 * High Level Configuration Options
36 *----------------------------------------------------------------------*/
37 #define CONFIG_4xx 1 /* ... PPC4xx family */
38 #define CONFIG_440 1 /* ... PPC440 family */
39 #define CONFIG_440SPE 1 /* Specifc SPe support */
40 #define CONFIG_440SPE_REVA 1 /* Support old Rev A. */
41 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_pre_init */
42 #define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */
43 #define EXTCLK_33_33 33333333
44 #define EXTCLK_66_66 66666666
45 #define EXTCLK_50 50000000
46 #define EXTCLK_83 83333333
47
48 #define CONFIG_SYS_TEXT_BASE 0xfffb0000
49
50 /*
51 * Include common defines/options for all AMCC eval boards
52 */
53 #define CONFIG_HOSTNAME yucca
54 #include "amcc-common.h"
55
56 #define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */
57 #undef CONFIG_SHOW_BOOT_PROGRESS
58 #undef CONFIG_STRESS
59
60 /*-----------------------------------------------------------------------
61 * Base addresses -- Note these are effective addresses where the
62 * actual resources get mapped (not physical addresses)
63 *----------------------------------------------------------------------*/
64 #define CONFIG_SYS_FLASH_BASE 0xfff00000 /* start of FLASH */
65 #define CONFIG_SYS_ISRAM_BASE 0x90000000 /* internal SRAM */
66
67 #define CONFIG_SYS_PCI_MEMBASE 0x80000000 /* mapped PCI memory */
68 #define CONFIG_SYS_PCI_BASE 0xd0000000 /* internal PCI regs */
69 #define CONFIG_SYS_PCI_TARGBASE CONFIG_SYS_PCI_MEMBASE
70
71 #define CONFIG_SYS_PCIE_MEMBASE 0xb0000000 /* mapped PCIe memory */
72 #define CONFIG_SYS_PCIE_MEMSIZE 0x08000000 /* smallest incr for PCIe port */
73 #define CONFIG_SYS_PCIE_BASE 0xe0000000 /* PCIe UTL regs */
74
75 #define CONFIG_SYS_PCIE0_CFGBASE 0xc0000000
76 #define CONFIG_SYS_PCIE1_CFGBASE 0xc1000000
77 #define CONFIG_SYS_PCIE2_CFGBASE 0xc2000000
78 #define CONFIG_SYS_PCIE0_XCFGBASE 0xc3000000
79 #define CONFIG_SYS_PCIE1_XCFGBASE 0xc3001000
80 #define CONFIG_SYS_PCIE2_XCFGBASE 0xc3002000
81
82 /* base address of inbound PCIe window */
83 #define CONFIG_SYS_PCIE_INBOUND_BASE 0x0000000400000000ULL
84
85 /* System RAM mapped to PCI space */
86 #define CONFIG_PCI_SYS_MEM_BUS CONFIG_SYS_SDRAM_BASE
87 #define CONFIG_PCI_SYS_MEM_PHYS CONFIG_SYS_SDRAM_BASE
88 #define CONFIG_PCI_SYS_MEM_SIZE (1024 * 1024 * 1024)
89
90 #define CONFIG_SYS_FPGA_BASE 0xe2000000 /* epld */
91 #define CONFIG_SYS_OPER_FLASH 0xe7000000 /* SRAM - OPER Flash */
92
93 /* #define CONFIG_SYS_NVRAM_BASE_ADDR 0x08000000 */
94 /*-----------------------------------------------------------------------
95 * Initial RAM & stack pointer (placed in internal SRAM)
96 *----------------------------------------------------------------------*/
97 #define CONFIG_SYS_TEMP_STACK_OCM 1
98 #define CONFIG_SYS_OCM_DATA_ADDR CONFIG_SYS_ISRAM_BASE
99 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_ISRAM_BASE /* Initial RAM address */
100 #define CONFIG_SYS_INIT_RAM_SIZE 0x2000 /* Size of used area in RAM */
101
102 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
103 #define CONFIG_SYS_INIT_SP_OFFSET (CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
104
105 /*-----------------------------------------------------------------------
106 * Serial Port
107 *----------------------------------------------------------------------*/
108 #define CONFIG_CONS_INDEX 1 /* Use UART0 */
109
110 #undef CONFIG_SYS_EXT_SERIAL_CLOCK
111 /* #define CONFIG_SYS_EXT_SERIAL_CLOCK (1843200 * 6) */ /* Ext clk @ 11.059 MHz */
112
113 /*-----------------------------------------------------------------------
114 * DDR SDRAM
115 *----------------------------------------------------------------------*/
116 #define CONFIG_SPD_EEPROM 1 /* Use SPD EEPROM for setup */
117 #define SPD_EEPROM_ADDRESS {0x53, 0x52} /* SPD i2c spd addresses*/
118 #define CONFIG_DDR_ECC 1 /* with ECC support */
119
120 /*-----------------------------------------------------------------------
121 * I2C
122 *----------------------------------------------------------------------*/
123 #define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
124
125 #define IIC0_BOOTPROM_ADDR 0x50
126 #define IIC0_ALT_BOOTPROM_ADDR 0x54
127
128 /* Don't probe these addrs */
129 #define CONFIG_SYS_I2C_NOPROBES {0x50, 0x52, 0x53, 0x54}
130
131 /* #if defined(CONFIG_CMD_EEPROM) */
132 /* #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 */ /* I2C boot EEPROM */
133 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */
134 /* #endif */
135
136 /*-----------------------------------------------------------------------
137 * Environment
138 *----------------------------------------------------------------------*/
139 /* #define CONFIG_SYS_NVRAM_SIZE (0x2000 - 8) */ /* NVRAM size(8k)- RTC regs */
140
141 #undef CONFIG_ENV_IS_IN_NVRAM /* ... not in NVRAM */
142 #define CONFIG_ENV_IS_IN_FLASH 1 /* Environment uses flash */
143 #undef CONFIG_ENV_IS_IN_EEPROM /* ... not in EEPROM */
144 #define CONFIG_ENV_OVERWRITE 1
145
146 /*
147 * Default environment variables
148 */
149 #define CONFIG_EXTRA_ENV_SETTINGS \
150 CONFIG_AMCC_DEF_ENV \
151 CONFIG_AMCC_DEF_ENV_PPC \
152 CONFIG_AMCC_DEF_ENV_NOR_UPD \
153 "kernel_addr=E7F10000\0" \
154 "ramdisk_addr=E7F20000\0" \
155 "pciconfighost=1\0" \
156 "pcie_mode=RP:EP:EP\0" \
157 ""
158
159 /*
160 * Commands additional to the ones defined in amcc-common.h
161 */
162 #define CONFIG_CMD_PCI
163 #define CONFIG_CMD_SDRAM
164
165 #define CONFIG_IBM_EMAC4_V4 1
166 #define CONFIG_PHY_ADDR 1 /* PHY address, See schematics */
167 #define CONFIG_HAS_ETH0
168 #define CONFIG_PHY_RESET 1 /* reset phy upon startup */
169 #define CONFIG_PHY_RESET_DELAY 1000
170 #define CONFIG_CIS8201_PHY 1 /* Enable 'special' RGMII mode for Cicada phy */
171 #define CONFIG_PHY_GIGE 1 /* Include GbE speed/duplex detection */
172
173 /*-----------------------------------------------------------------------
174 * FLASH related
175 *----------------------------------------------------------------------*/
176 #define CONFIG_SYS_MAX_FLASH_BANKS 3 /* number of banks */
177 #define CONFIG_SYS_MAX_FLASH_SECT 256 /* sectors per device */
178
179 #undef CONFIG_SYS_FLASH_CHECKSUM
180 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
181 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
182
183 #define CONFIG_SYS_FLASH_ADDR0 0x5555
184 #define CONFIG_SYS_FLASH_ADDR1 0x2aaa
185 #define CONFIG_SYS_FLASH_WORD_SIZE unsigned char
186
187 #define CONFIG_SYS_FLASH_2ND_16BIT_DEV 1 /* evb440SPe has 8 and 16bit device */
188 #define CONFIG_SYS_FLASH_2ND_ADDR 0xe7c00000 /* evb440SPe has 8 and 16bit device*/
189
190 #ifdef CONFIG_ENV_IS_IN_FLASH
191 #define CONFIG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */
192 #define CONFIG_ENV_ADDR 0xfffa0000
193 /* #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE) */
194 #define CONFIG_ENV_SIZE 0x10000 /* Size of Environment vars */
195 #endif /* CONFIG_ENV_IS_IN_FLASH */
196 /*-----------------------------------------------------------------------
197 * PCI stuff
198 *-----------------------------------------------------------------------
199 */
200 /* General PCI */
201 #define CONFIG_PCI /* include pci support */
202 #define CONFIG_PCI_PNP 1 /* do pci plug-and-play */
203 #define CONFIG_PCI_SCAN_SHOW 1 /* show pci devices on startup */
204 #define CONFIG_PCI_CONFIG_HOST_BRIDGE
205
206 /* Board-specific PCI */
207 #define CONFIG_SYS_PCI_TARGET_INIT /* let board init pci target */
208 #undef CONFIG_SYS_PCI_MASTER_INIT
209
210 #define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x1014 /* IBM */
211 #define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
212 /* #define CONFIG_SYS_PCI_SUBSYS_ID CONFIG_SYS_PCI_SUBSYS_DEVICEID */
213
214 /*
215 * NETWORK Support (PCI):
216 */
217 /* Support for Intel 82557/82559/82559ER chips. */
218 #define CONFIG_EEPRO100
219
220 /* FB Divisor selection */
221 #define FPGA_FB_DIV_6 6
222 #define FPGA_FB_DIV_10 10
223 #define FPGA_FB_DIV_12 12
224 #define FPGA_FB_DIV_20 20
225
226 /* VCO Divisor selection */
227 #define FPGA_VCO_DIV_4 4
228 #define FPGA_VCO_DIV_6 6
229 #define FPGA_VCO_DIV_8 8
230 #define FPGA_VCO_DIV_10 10
231
232 /*----------------------------------------------------------------------------+
233 | FPGA registers and bit definitions
234 +----------------------------------------------------------------------------*/
235 /* PowerPC 440SPe Board FPGA is reached with physical address 0x1 E2000000. */
236 /* TLB initialization makes it correspond to logical address 0xE2000000. */
237 /* => Done init_chip.s in bootlib */
238 #define FPGA_REG_BASE_ADDR 0xE2000000
239 #define FPGA_GPIO_BASE_ADDR 0xE2010000
240 #define FPGA_INT_BASE_ADDR 0xE2020000
241
242 /*----------------------------------------------------------------------------+
243 | Display
244 +----------------------------------------------------------------------------*/
245 #define PPC440SPE_DISPLAY FPGA_REG_BASE_ADDR
246
247 #define PPC440SPE_DISPLAY_D8 (FPGA_REG_BASE_ADDR+0x06)
248 #define PPC440SPE_DISPLAY_D4 (FPGA_REG_BASE_ADDR+0x04)
249 #define PPC440SPE_DISPLAY_D2 (FPGA_REG_BASE_ADDR+0x02)
250 #define PPC440SPE_DISPLAY_D1 (FPGA_REG_BASE_ADDR+0x00)
251 /*define WRITE_DISPLAY_DIGIT(n) IOREG8(FPGA_REG_BASE_ADDR + (2*n))*/
252 /*#define IOREG8(addr) *((volatile unsigned char *)(addr))*/
253
254 /*----------------------------------------------------------------------------+
255 | ethernet/reset/boot Register 1
256 +----------------------------------------------------------------------------*/
257 #define FPGA_REG10 (FPGA_REG_BASE_ADDR+0x10)
258
259 #define FPGA_REG10_10MHZ_ENABLE 0x8000
260 #define FPGA_REG10_100MHZ_ENABLE 0x4000
261 #define FPGA_REG10_GIGABIT_ENABLE 0x2000
262 #define FPGA_REG10_FULL_DUPLEX 0x1000 /* force Full Duplex*/
263 #define FPGA_REG10_RESET_ETH 0x0800
264 #define FPGA_REG10_AUTO_NEG_DIS 0x0400
265 #define FPGA_REG10_INTP_ETH 0x0200
266
267 #define FPGA_REG10_RESET_HISR 0x0080
268 #define FPGA_REG10_ENABLE_DISPLAY 0x0040
269 #define FPGA_REG10_RESET_SDRAM 0x0020
270 #define FPGA_REG10_OPER_BOOT 0x0010
271 #define FPGA_REG10_SRAM_BOOT 0x0008
272 #define FPGA_REG10_SMALL_BOOT 0x0004
273 #define FPGA_REG10_FORCE_COLA 0x0002
274 #define FPGA_REG10_COLA_MANUAL 0x0001
275
276 #define FPGA_REG10_SDRAM_ENABLE 0x0020
277
278 #define FPGA_REG10_ENET_ENCODE2(n) ((((unsigned long)(n))&0x0F)<<4) /*from ocotea ?*/
279 #define FPGA_REG10_ENET_DECODE2(n) ((((unsigned long)(n))>>4)&0x0F) /*from ocotea ?*/
280
281 /*----------------------------------------------------------------------------+
282 | MUX control
283 +----------------------------------------------------------------------------*/
284 #define FPGA_REG12 (FPGA_REG_BASE_ADDR+0x12)
285
286 #define FPGA_REG12_EBC_CTL 0x8000
287 #define FPGA_REG12_UART1_CTS_RTS 0x4000
288 #define FPGA_REG12_UART0_RX_ENABLE 0x2000
289 #define FPGA_REG12_UART1_RX_ENABLE 0x1000
290 #define FPGA_REG12_UART2_RX_ENABLE 0x0800
291 #define FPGA_REG12_EBC_OUT_ENABLE 0x0400
292 #define FPGA_REG12_GPIO0_OUT_ENABLE 0x0200
293 #define FPGA_REG12_GPIO1_OUT_ENABLE 0x0100
294 #define FPGA_REG12_GPIO_SELECT 0x0010
295 #define FPGA_REG12_GPIO_CHREG 0x0008
296 #define FPGA_REG12_GPIO_CLK_CHREG 0x0004
297 #define FPGA_REG12_GPIO_OETRI 0x0002
298 #define FPGA_REG12_EBC_ERROR 0x0001
299
300 /*----------------------------------------------------------------------------+
301 | PCI Clock control
302 +----------------------------------------------------------------------------*/
303 #define FPGA_REG16 (FPGA_REG_BASE_ADDR+0x16)
304
305 #define FPGA_REG16_PCI_CLK_CTL0 0x8000
306 #define FPGA_REG16_PCI_CLK_CTL1 0x4000
307 #define FPGA_REG16_PCI_CLK_CTL2 0x2000
308 #define FPGA_REG16_PCI_CLK_CTL3 0x1000
309 #define FPGA_REG16_PCI_CLK_CTL4 0x0800
310 #define FPGA_REG16_PCI_CLK_CTL5 0x0400
311 #define FPGA_REG16_PCI_CLK_CTL6 0x0200
312 #define FPGA_REG16_PCI_CLK_CTL7 0x0100
313 #define FPGA_REG16_PCI_CLK_CTL8 0x0080
314 #define FPGA_REG16_PCI_CLK_CTL9 0x0040
315 #define FPGA_REG16_PCI_EXT_ARB0 0x0020
316 #define FPGA_REG16_PCI_MODE_1 0x0010
317 #define FPGA_REG16_PCI_TARGET_MODE 0x0008
318 #define FPGA_REG16_PCI_INTP_MODE 0x0004
319
320 /* FB1 Divisor selection */
321 #define FPGA_REG16_FB2_DIV_MASK 0x1000
322 #define FPGA_REG16_FB2_DIV_LOW 0x0000
323 #define FPGA_REG16_FB2_DIV_HIGH 0x1000
324 /* FB2 Divisor selection */
325 /* S3 switch on Board */
326 #define FPGA_REG16_FB1_DIV_MASK 0x2000
327 #define FPGA_REG16_FB1_DIV_LOW 0x0000
328 #define FPGA_REG16_FB1_DIV_HIGH 0x2000
329 /* PCI0 Clock Selection */
330 /* S3 switch on Board */
331 #define FPGA_REG16_PCI0_CLK_MASK 0x0c00
332 #define FPGA_REG16_PCI0_CLK_33_33 0x0000
333 #define FPGA_REG16_PCI0_CLK_66_66 0x0800
334 #define FPGA_REG16_PCI0_CLK_100 0x0400
335 #define FPGA_REG16_PCI0_CLK_133_33 0x0c00
336 /* VCO Divisor selection */
337 /* S3 switch on Board */
338 #define FPGA_REG16_VCO_DIV_MASK 0xc000
339 #define FPGA_REG16_VCO_DIV_4 0x0000
340 #define FPGA_REG16_VCO_DIV_8 0x4000
341 #define FPGA_REG16_VCO_DIV_6 0x8000
342 #define FPGA_REG16_VCO_DIV_10 0xc000
343 /* Master Clock Selection */
344 /* S3, S4 switches on Board */
345 #define FPGA_REG16_MASTER_CLK_MASK 0x01c0
346 #define FPGA_REG16_MASTER_CLK_EXT 0x0000
347 #define FPGA_REG16_MASTER_CLK_66_66 0x0040
348 #define FPGA_REG16_MASTER_CLK_50 0x0080
349 #define FPGA_REG16_MASTER_CLK_33_33 0x00c0
350 #define FPGA_REG16_MASTER_CLK_25 0x0100
351
352 /*----------------------------------------------------------------------------+
353 | PCI Miscellaneous
354 +----------------------------------------------------------------------------*/
355 #define FPGA_REG18 (FPGA_REG_BASE_ADDR+0x18)
356
357 #define FPGA_REG18_PCI_PRSNT1 0x8000
358 #define FPGA_REG18_PCI_PRSNT2 0x4000
359 #define FPGA_REG18_PCI_INTA 0x2000
360 #define FPGA_REG18_PCI_SLOT0_INTP 0x1000
361 #define FPGA_REG18_PCI_SLOT1_INTP 0x0800
362 #define FPGA_REG18_PCI_SLOT2_INTP 0x0400
363 #define FPGA_REG18_PCI_SLOT3_INTP 0x0200
364 #define FPGA_REG18_PCI_PCI0_VC 0x0100
365 #define FPGA_REG18_PCI_PCI0_VTH1 0x0080
366 #define FPGA_REG18_PCI_PCI0_VTH2 0x0040
367 #define FPGA_REG18_PCI_PCI0_VTH3 0x0020
368
369 /*----------------------------------------------------------------------------+
370 | PCIe Miscellaneous
371 +----------------------------------------------------------------------------*/
372 #define FPGA_REG1A (FPGA_REG_BASE_ADDR+0x1A)
373
374 #define FPGA_REG1A_PE0_GLED 0x8000
375 #define FPGA_REG1A_PE1_GLED 0x4000
376 #define FPGA_REG1A_PE2_GLED 0x2000
377 #define FPGA_REG1A_PE0_YLED 0x1000
378 #define FPGA_REG1A_PE1_YLED 0x0800
379 #define FPGA_REG1A_PE2_YLED 0x0400
380 #define FPGA_REG1A_PE0_PWRON 0x0200
381 #define FPGA_REG1A_PE1_PWRON 0x0100
382 #define FPGA_REG1A_PE2_PWRON 0x0080
383 #define FPGA_REG1A_PE0_REFCLK_ENABLE 0x0040
384 #define FPGA_REG1A_PE1_REFCLK_ENABLE 0x0020
385 #define FPGA_REG1A_PE2_REFCLK_ENABLE 0x0010
386 #define FPGA_REG1A_PE_SPREAD0 0x0008
387 #define FPGA_REG1A_PE_SPREAD1 0x0004
388 #define FPGA_REG1A_PE_SELSOURCE_0 0x0002
389 #define FPGA_REG1A_PE_SELSOURCE_1 0x0001
390
391 #define FPGA_REG1A_GLED_ENCODE(n) (FPGA_REG1A_PE0_GLED >> (n))
392 #define FPGA_REG1A_YLED_ENCODE(n) (FPGA_REG1A_PE0_YLED >> (n))
393 #define FPGA_REG1A_PWRON_ENCODE(n) (FPGA_REG1A_PE0_PWRON >> (n))
394 #define FPGA_REG1A_REFCLK_ENCODE(n) (FPGA_REG1A_PE0_REFCLK_ENABLE >> (n))
395
396 /*----------------------------------------------------------------------------+
397 | PCIe Miscellaneous
398 +----------------------------------------------------------------------------*/
399 #define FPGA_REG1C (FPGA_REG_BASE_ADDR+0x1C)
400
401 #define FPGA_REG1C_PE0_ROOTPOINT 0x8000
402 #define FPGA_REG1C_PE1_ENDPOINT 0x4000
403 #define FPGA_REG1C_PE2_ENDPOINT 0x2000
404 #define FPGA_REG1C_PE0_PRSNT 0x1000
405 #define FPGA_REG1C_PE1_PRSNT 0x0800
406 #define FPGA_REG1C_PE2_PRSNT 0x0400
407 #define FPGA_REG1C_PE0_WAKE 0x0080
408 #define FPGA_REG1C_PE1_WAKE 0x0040
409 #define FPGA_REG1C_PE2_WAKE 0x0020
410 #define FPGA_REG1C_PE0_PERST 0x0010
411 #define FPGA_REG1C_PE1_PERST 0x0008
412 #define FPGA_REG1C_PE2_PERST 0x0004
413
414 #define FPGA_REG1C_ROOTPOINT_ENCODE(n) (FPGA_REG1C_PE0_ROOTPOINT >> (n))
415 #define FPGA_REG1C_PERST_ENCODE(n) (FPGA_REG1C_PE0_PERST >> (n))
416
417 /*----------------------------------------------------------------------------+
418 | Defines
419 +----------------------------------------------------------------------------*/
420 #define PERIOD_133_33MHZ 7500 /* 7,5ns */
421 #define PERIOD_100_00MHZ 10000 /* 10ns */
422 #define PERIOD_83_33MHZ 12000 /* 12ns */
423 #define PERIOD_75_00MHZ 13333 /* 13,333ns */
424 #define PERIOD_66_66MHZ 15000 /* 15ns */
425 #define PERIOD_50_00MHZ 20000 /* 20ns */
426 #define PERIOD_33_33MHZ 30000 /* 30ns */
427 #define PERIOD_25_00MHZ 40000 /* 40ns */
428
429 #endif /* __CONFIG_H */