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