1 /*
2  * Copyright 2004 Freescale Semiconductor.
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 #include <common.h>
24 #include <pci.h>
25 #include <asm/processor.h>
26 #include <asm/immap_85xx.h>
27 #include <ioports.h>
28 #include <spd_sdram.h>
29 #include <libfdt.h>
30 #include <fdt_support.h>
31 
32 #include "../common/cadmus.h"
33 #include "../common/eeprom.h"
34 #include "../common/via.h"
35 
36 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
37 extern void ddr_enable_ecc(unsigned int dram_size);
38 #endif
39 
40 void local_bus_init(void);
41 void sdram_init(void);
42 
43 /*
44  * I/O Port configuration table
45  *
46  * if conf is 1, then that port pin will be configured at boot time
47  * according to the five values podr/pdir/ppar/psor/pdat for that entry
48  */
49 
50 const iop_conf_t iop_conf_tab[4][32] = {
51 
52     /* Port A configuration */
53     {   /*            conf ppar psor pdir podr pdat */
54 	/* PA31 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 TxENB */
55 	/* PA30 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 TxClav   */
56 	/* PA29 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 TxSOC  */
57 	/* PA28 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 RxENB */
58 	/* PA27 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 RxSOC */
59 	/* PA26 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 RxClav */
60 	/* PA25 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[0] */
61 	/* PA24 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[1] */
62 	/* PA23 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[2] */
63 	/* PA22 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[3] */
64 	/* PA21 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[4] */
65 	/* PA20 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[5] */
66 	/* PA19 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[6] */
67 	/* PA18 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXD[7] */
68 	/* PA17 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[7] */
69 	/* PA16 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[6] */
70 	/* PA15 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[5] */
71 	/* PA14 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[4] */
72 	/* PA13 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[3] */
73 	/* PA12 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[2] */
74 	/* PA11 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[1] */
75 	/* PA10 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXD[0] */
76 	/* PA9  */ {   0,   1,   1,   1,   0,   0   }, /* FCC1 L1TXD */
77 	/* PA8  */ {   0,   1,   1,   0,   0,   0   }, /* FCC1 L1RXD */
78 	/* PA7  */ {   0,   0,   0,   1,   0,   0   }, /* PA7 */
79 	/* PA6  */ {   0,   1,   1,   1,   0,   0   }, /* TDM A1 L1RSYNC */
80 	/* PA5  */ {   0,   0,   0,   1,   0,   0   }, /* PA5 */
81 	/* PA4  */ {   0,   0,   0,   1,   0,   0   }, /* PA4 */
82 	/* PA3  */ {   0,   0,   0,   1,   0,   0   }, /* PA3 */
83 	/* PA2  */ {   0,   0,   0,   1,   0,   0   }, /* PA2 */
84 	/* PA1  */ {   1,   0,   0,   0,   0,   0   }, /* FREERUN */
85 	/* PA0  */ {   0,   0,   0,   1,   0,   0   }  /* PA0 */
86     },
87 
88     /* Port B configuration */
89     {   /*            conf ppar psor pdir podr pdat */
90 	/* PB31 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TX_ER */
91 	/* PB30 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_DV */
92 	/* PB29 */ {   1,   1,   1,   1,   0,   0   }, /* FCC2 MII TX_EN */
93 	/* PB28 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_ER */
94 	/* PB27 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII COL */
95 	/* PB26 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII CRS */
96 	/* PB25 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[3] */
97 	/* PB24 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[2] */
98 	/* PB23 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[1] */
99 	/* PB22 */ {   1,   1,   0,   1,   0,   0   }, /* FCC2 MII TxD[0] */
100 	/* PB21 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[0] */
101 	/* PB20 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[1] */
102 	/* PB19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[2] */
103 	/* PB18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RxD[3] */
104 	/* PB17 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RX_DIV */
105 	/* PB16 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RX_ERR */
106 	/* PB15 */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TX_ERR */
107 	/* PB14 */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TX_EN */
108 	/* PB13 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:COL */
109 	/* PB12 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:CRS */
110 	/* PB11 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
111 	/* PB10 */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
112 	/* PB9  */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
113 	/* PB8  */ {   0,   1,   0,   0,   0,   0   }, /* FCC3:RXD */
114 	/* PB7  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
115 	/* PB6  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
116 	/* PB5  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
117 	/* PB4  */ {   0,   1,   0,   1,   0,   0   }, /* FCC3:TXD */
118 	/* PB3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
119 	/* PB2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
120 	/* PB1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
121 	/* PB0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
122     },
123 
124     /* Port C */
125     {   /*            conf ppar psor pdir podr pdat */
126 	/* PC31 */ {   0,   0,   0,   1,   0,   0   }, /* PC31 */
127 	/* PC30 */ {   0,   0,   0,   1,   0,   0   }, /* PC30 */
128 	/* PC29 */ {   0,   1,   1,   0,   0,   0   }, /* SCC1 EN *CLSN */
129 	/* PC28 */ {   0,   0,   0,   1,   0,   0   }, /* PC28 */
130 	/* PC27 */ {   0,   0,   0,   1,   0,   0   }, /* UART Clock in */
131 	/* PC26 */ {   0,   0,   0,   1,   0,   0   }, /* PC26 */
132 	/* PC25 */ {   0,   0,   0,   1,   0,   0   }, /* PC25 */
133 	/* PC24 */ {   0,   0,   0,   1,   0,   0   }, /* PC24 */
134 	/* PC23 */ {   0,   1,   0,   1,   0,   0   }, /* ATMTFCLK */
135 	/* PC22 */ {   0,   1,   0,   0,   0,   0   }, /* ATMRFCLK */
136 	/* PC21 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 EN RXCLK */
137 	/* PC20 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 EN TXCLK */
138 	/* PC19 */ {   1,   1,   0,   0,   0,   0   }, /* FCC2 MII RX_CLK CLK13 */
139 	/* PC18 */ {   1,   1,   0,   0,   0,   0   }, /* FCC Tx Clock (CLK14) */
140 	/* PC17 */ {   0,   0,   0,   1,   0,   0   }, /* PC17 */
141 	/* PC16 */ {   0,   1,   0,   0,   0,   0   }, /* FCC Tx Clock (CLK16) */
142 	/* PC15 */ {   1,   1,   0,   0,   0,   0   }, /* PC15 */
143 	/* PC14 */ {   0,   1,   0,   0,   0,   0   }, /* SCC1 EN *CD */
144 	/* PC13 */ {   0,   0,   0,   1,   0,   0   }, /* PC13 */
145 	/* PC12 */ {   0,   1,   0,   1,   0,   0   }, /* PC12 */
146 	/* PC11 */ {   0,   0,   0,   1,   0,   0   }, /* LXT971 transmit control */
147 	/* PC10 */ {   1,   0,   0,   1,   0,   0   }, /* FETHMDC */
148 	/* PC9  */ {   1,   0,   0,   0,   0,   0   }, /* FETHMDIO */
149 	/* PC8  */ {   0,   0,   0,   1,   0,   0   }, /* PC8 */
150 	/* PC7  */ {   0,   0,   0,   1,   0,   0   }, /* PC7 */
151 	/* PC6  */ {   0,   0,   0,   1,   0,   0   }, /* PC6 */
152 	/* PC5  */ {   0,   0,   0,   1,   0,   0   }, /* PC5 */
153 	/* PC4  */ {   0,   0,   0,   1,   0,   0   }, /* PC4 */
154 	/* PC3  */ {   0,   0,   0,   1,   0,   0   }, /* PC3 */
155 	/* PC2  */ {   0,   0,   0,   1,   0,   1   }, /* ENET FDE */
156 	/* PC1  */ {   0,   0,   0,   1,   0,   0   }, /* ENET DSQE */
157 	/* PC0  */ {   0,   0,   0,   1,   0,   0   }, /* ENET LBK */
158     },
159 
160     /* Port D */
161     {   /*            conf ppar psor pdir podr pdat */
162 	/* PD31 */ {   1,   1,   0,   0,   0,   0   }, /* SCC1 EN RxD */
163 	/* PD30 */ {   1,   1,   1,   1,   0,   0   }, /* SCC1 EN TxD */
164 	/* PD29 */ {   1,   1,   0,   1,   0,   0   }, /* SCC1 EN TENA */
165 	/* PD28 */ {   0,   1,   0,   0,   0,   0   }, /* PD28 */
166 	/* PD27 */ {   0,   1,   1,   1,   0,   0   }, /* PD27 */
167 	/* PD26 */ {   0,   0,   0,   1,   0,   0   }, /* PD26 */
168 	/* PD25 */ {   0,   0,   0,   1,   0,   0   }, /* PD25 */
169 	/* PD24 */ {   0,   0,   0,   1,   0,   0   }, /* PD24 */
170 	/* PD23 */ {   0,   0,   0,   1,   0,   0   }, /* PD23 */
171 	/* PD22 */ {   0,   0,   0,   1,   0,   0   }, /* PD22 */
172 	/* PD21 */ {   0,   0,   0,   1,   0,   0   }, /* PD21 */
173 	/* PD20 */ {   0,   0,   0,   1,   0,   0   }, /* PD20 */
174 	/* PD19 */ {   0,   0,   0,   1,   0,   0   }, /* PD19 */
175 	/* PD18 */ {   0,   0,   0,   1,   0,   0   }, /* PD18 */
176 	/* PD17 */ {   0,   1,   0,   0,   0,   0   }, /* FCC1 ATMRXPRTY */
177 	/* PD16 */ {   0,   1,   0,   1,   0,   0   }, /* FCC1 ATMTXPRTY */
178 	/* PD15 */ {   0,   1,   1,   0,   1,   0   }, /* I2C SDA */
179 	/* PD14 */ {   0,   0,   0,   1,   0,   0   }, /* LED */
180 	/* PD13 */ {   0,   0,   0,   0,   0,   0   }, /* PD13 */
181 	/* PD12 */ {   0,   0,   0,   0,   0,   0   }, /* PD12 */
182 	/* PD11 */ {   0,   0,   0,   0,   0,   0   }, /* PD11 */
183 	/* PD10 */ {   0,   0,   0,   0,   0,   0   }, /* PD10 */
184 	/* PD9  */ {   0,   1,   0,   1,   0,   0   }, /* SMC1 TXD */
185 	/* PD8  */ {   0,   1,   0,   0,   0,   0   }, /* SMC1 RXD */
186 	/* PD7  */ {   0,   0,   0,   1,   0,   1   }, /* PD7 */
187 	/* PD6  */ {   0,   0,   0,   1,   0,   1   }, /* PD6 */
188 	/* PD5  */ {   0,   0,   0,   1,   0,   1   }, /* PD5 */
189 	/* PD4  */ {   0,   0,   0,   1,   0,   1   }, /* PD4 */
190 	/* PD3  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
191 	/* PD2  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
192 	/* PD1  */ {   0,   0,   0,   0,   0,   0   }, /* pin doesn't exist */
193 	/* PD0  */ {   0,   0,   0,   0,   0,   0   }  /* pin doesn't exist */
194     }
195 };
196 
197 int checkboard (void)
198 {
199 	volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
200 
201 	/* PCI slot in USER bits CSR[6:7] by convention. */
202 	uint pci_slot = get_pci_slot ();
203 
204 	uint pci_dual = get_pci_dual ();	/* PCI DUAL in CM_PCI[3] */
205 	uint pci1_32 = gur->pordevsr & 0x10000;	/* PORDEVSR[15] */
206 	uint pci1_clk_sel = gur->porpllsr & 0x8000;	/* PORPLLSR[16] */
207 	uint pci2_clk_sel = gur->porpllsr & 0x4000;	/* PORPLLSR[17] */
208 
209 	uint pci1_speed = get_clock_freq ();	/* PCI PSPEED in [4:5] */
210 
211 	uint cpu_board_rev = get_cpu_board_revision ();
212 
213 	printf ("Board: CDS Version 0x%02x, PCI Slot %d\n",
214 		get_board_version (), pci_slot);
215 
216 	printf ("CPU Board Revision %d.%d (0x%04x)\n",
217 		MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
218 		MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
219 
220 	printf ("    PCI1: %d bit, %s MHz, %s\n",
221 		(pci1_32) ? 32 : 64,
222 		(pci1_speed == 33000000) ? "33" :
223 		(pci1_speed == 66000000) ? "66" : "unknown",
224 		pci1_clk_sel ? "sync" : "async");
225 
226 	if (pci_dual) {
227 		printf ("    PCI2: 32 bit, 66 MHz, %s\n",
228 			pci2_clk_sel ? "sync" : "async");
229 	} else {
230 		printf ("    PCI2: disabled\n");
231 	}
232 
233 	/*
234 	 * Initialize local bus.
235 	 */
236 	local_bus_init ();
237 
238 	return 0;
239 }
240 
241 long int
242 initdram(int board_type)
243 {
244 	long dram_size = 0;
245 
246 	puts("Initializing\n");
247 
248 #if defined(CONFIG_DDR_DLL)
249 	{
250 		/*
251 		 * Work around to stabilize DDR DLL MSYNC_IN.
252 		 * Errata DDR9 seems to have been fixed.
253 		 * This is now the workaround for Errata DDR11:
254 		 *    Override DLL = 1, Course Adj = 1, Tap Select = 0
255 		 */
256 
257 		volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
258 
259 		gur->ddrdllcr = 0x81000000;
260 		asm("sync;isync;msync");
261 		udelay(200);
262 	}
263 #endif
264 	dram_size = spd_sdram();
265 
266 #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
267 	/*
268 	 * Initialize and enable DDR ECC.
269 	 */
270 	ddr_enable_ecc(dram_size);
271 #endif
272 	/*
273 	 * SDRAM Initialization
274 	 */
275 	sdram_init();
276 
277 	puts("    DDR: ");
278 	return dram_size;
279 }
280 
281 /*
282  * Initialize Local Bus
283  */
284 void
285 local_bus_init(void)
286 {
287 	volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
288 	volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
289 
290 	uint clkdiv;
291 	uint lbc_hz;
292 	sys_info_t sysinfo;
293 	uint temp_lbcdll;
294 
295 	/*
296 	 * Errata LBC11.
297 	 * Fix Local Bus clock glitch when DLL is enabled.
298 	 *
299 	 * If localbus freq is < 66Mhz, DLL bypass mode must be used.
300 	 * If localbus freq is > 133Mhz, DLL can be safely enabled.
301 	 * Between 66 and 133, the DLL is enabled with an override workaround.
302 	 */
303 
304 	get_sys_info(&sysinfo);
305 	clkdiv = lbc->lcrr & 0x0f;
306 	lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
307 
308 	if (lbc_hz < 66) {
309 		lbc->lcrr |= 0x80000000;	/* DLL Bypass */
310 
311 	} else if (lbc_hz >= 133) {
312 		lbc->lcrr &= (~0x80000000);		/* DLL Enabled */
313 
314 	} else {
315 		lbc->lcrr &= (~0x8000000);	/* DLL Enabled */
316 		udelay(200);
317 
318 		/*
319 		 * Sample LBC DLL ctrl reg, upshift it to set the
320 		 * override bits.
321 		 */
322 		temp_lbcdll = gur->lbcdllcr;
323 		gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
324 		asm("sync;isync;msync");
325 	}
326 }
327 
328 /*
329  * Initialize SDRAM memory on the Local Bus.
330  */
331 void
332 sdram_init(void)
333 {
334 #if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
335 
336 	uint idx;
337 	volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
338 	uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
339 	uint cpu_board_rev;
340 	uint lsdmr_common;
341 
342 	puts("    SDRAM: ");
343 
344 	print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
345 
346 	/*
347 	 * Setup SDRAM Base and Option Registers
348 	 */
349 	lbc->or2 = CFG_OR2_PRELIM;
350 	asm("msync");
351 
352 	lbc->br2 = CFG_BR2_PRELIM;
353 	asm("msync");
354 
355 	lbc->lbcr = CFG_LBC_LBCR;
356 	asm("msync");
357 
358 	lbc->lsrt = CFG_LBC_LSRT;
359 	lbc->mrtpr = CFG_LBC_MRTPR;
360 	asm("msync");
361 
362 	/*
363 	 * Determine which address lines to use baed on CPU board rev.
364 	 */
365 	cpu_board_rev = get_cpu_board_revision();
366 	lsdmr_common = CFG_LBC_LSDMR_COMMON;
367 	if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_0) {
368 		lsdmr_common |= CFG_LBC_LSDMR_BSMA1617;
369 	} else if (cpu_board_rev == MPC85XX_CPU_BOARD_REV_1_1) {
370 		lsdmr_common |= CFG_LBC_LSDMR_BSMA1516;
371 	} else {
372 		/*
373 		 * Assume something unable to identify itself is
374 		 * really old, and likely has lines 16/17 mapped.
375 		 */
376 		lsdmr_common |= CFG_LBC_LSDMR_BSMA1617;
377 	}
378 
379 	/*
380 	 * Issue PRECHARGE ALL command.
381 	 */
382 	lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_PCHALL;
383 	asm("sync;msync");
384 	*sdram_addr = 0xff;
385 	ppcDcbf((unsigned long) sdram_addr);
386 	udelay(100);
387 
388 	/*
389 	 * Issue 8 AUTO REFRESH commands.
390 	 */
391 	for (idx = 0; idx < 8; idx++) {
392 		lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_ARFRSH;
393 		asm("sync;msync");
394 		*sdram_addr = 0xff;
395 		ppcDcbf((unsigned long) sdram_addr);
396 		udelay(100);
397 	}
398 
399 	/*
400 	 * Issue 8 MODE-set command.
401 	 */
402 	lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_MRW;
403 	asm("sync;msync");
404 	*sdram_addr = 0xff;
405 	ppcDcbf((unsigned long) sdram_addr);
406 	udelay(100);
407 
408 	/*
409 	 * Issue NORMAL OP command.
410 	 */
411 	lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_NORMAL;
412 	asm("sync;msync");
413 	*sdram_addr = 0xff;
414 	ppcDcbf((unsigned long) sdram_addr);
415 	udelay(200);    /* Overkill. Must wait > 200 bus cycles */
416 
417 #endif	/* enable SDRAM init */
418 }
419 
420 #ifdef CONFIG_PCI
421 /* For some reason the Tundra PCI bridge shows up on itself as a
422  * different device.  Work around that by refusing to configure it
423  */
424 void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { }
425 
426 static struct pci_config_table pci_mpc85xxcds_config_table[] = {
427 	{0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}},
428 	{0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}},
429 	{0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1,
430 		mpc85xx_config_via_usbide, {0,0,0}},
431 	{0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2,
432 		mpc85xx_config_via_usb, {0,0,0}},
433 	{0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3,
434 		mpc85xx_config_via_usb2, {0,0,0}},
435 	{0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5,
436 		mpc85xx_config_via_power, {0,0,0}},
437 	{0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6,
438 		mpc85xx_config_via_ac97, {0,0,0}},
439 	{},
440 };
441 
442 
443 static struct pci_controller hose[] = {
444 	{
445 	config_table: pci_mpc85xxcds_config_table,
446 	},
447 #ifdef CONFIG_MPC85XX_PCI2
448 	{},
449 #endif
450 };
451 
452 #endif
453 
454 void
455 pci_init_board(void)
456 {
457 #ifdef CONFIG_PCI
458 	pci_mpc85xx_init(hose);
459 #endif
460 }
461 
462 #if defined(CONFIG_OF_BOARD_SETUP)
463 void
464 ft_pci_setup(void *blob, bd_t *bd)
465 {
466 	int node, tmp[2];
467 	const char *path;
468 
469 	node = fdt_path_offset(blob, "/aliases");
470 	tmp[0] = 0;
471 	if (node >= 0) {
472 #ifdef CONFIG_PCI1
473 		path = fdt_getprop(blob, node, "pci0", NULL);
474 		if (path) {
475 			tmp[1] = hose[0].last_busno - hose[0].first_busno;
476 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
477 		}
478 #endif
479 #ifdef CONFIG_MPC85XX_PCI2
480 		path = fdt_getprop(blob, node, "pci1", NULL);
481 		if (path) {
482 			tmp[1] = hose[1].last_busno - hose[1].first_busno;
483 			do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
484 		}
485 #endif
486 	}
487 }
488 #endif
489