1/*	$NetBSD: gxio.c,v 1.17 2010/08/28 07:06:29 kiyohara Exp $ */
2/*
3 * Copyright (C) 2005, 2006, 2007 WIDE Project and SOUM Corporation.
4 * All rights reserved.
5 *
6 * Written by Takashi Kiyohara and Susumu Miki for WIDE Project and SOUM
7 * Corporation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the name of SOUM Corporation
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT and SOUM CORPORATION ``AS IS''
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT AND SOUM CORPORATION
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33#include <sys/cdefs.h>
34__KERNEL_RCSID(0, "$NetBSD: gxio.c,v 1.17 2010/08/28 07:06:29 kiyohara Exp $");
35
36#include "opt_cputypes.h"
37#include "opt_gumstix.h"
38#include "opt_gxio.h"
39#if defined(OVERO)
40#include "opt_omap.h"
41#endif
42
43#include <sys/param.h>
44#include <sys/device.h>
45#include <sys/errno.h>
46#include <sys/kernel.h>
47
48#include <sys/systm.h>
49
50#include <machine/bootconfig.h>
51
52#include <arm/omap/omap2_gpmcreg.h>
53#include <arm/omap/omap2_reg.h>
54#if defined(OMAP3530)
55#include <arm/omap/omap2_intr.h>
56#endif
57#include <arm/omap/omap_var.h>
58#if defined(CPU_XSCALE_PXA270) || defined(CPU_XSCALE_PXA250)
59#include <arm/xscale/pxa2x0cpu.h>
60#endif
61#include <arm/xscale/pxa2x0reg.h>
62#include <arm/xscale/pxa2x0var.h>
63#include <arm/xscale/pxa2x0_gpio.h>
64#include <evbarm/gumstix/gumstixreg.h>
65#include <evbarm/gumstix/gumstixvar.h>
66
67#include "ioconf.h"
68#include "locators.h"
69
70
71struct gxioconf {
72	const char *name;
73	void (*config)(void);
74};
75
76#if defined(GUMSTIX)
77static int gxiomatch(device_t, cfdata_t, void *);
78static void gxioattach(device_t, device_t, void *);
79static int gxiosearch(device_t, cfdata_t, const int *, void *);
80static int gxioprint(void *, const char *);
81
82CFATTACH_DECL_NEW(gxio, sizeof(struct gxio_softc),
83    gxiomatch, gxioattach, NULL, NULL);
84#endif
85
86void gxio_config_pin(void);
87void gxio_config_expansion(char *);
88static void gxio_config_gpio(const struct gxioconf *, char *);
89#if defined(GUMSTIX)
90static void basix_config(void);
91static void cfstix_config(void);
92static void etherstix_config(void);
93static void netcf_config(void);
94static void netcf_vx_config(void);
95static void netduommc_config(void);
96static void netduo_config(void);
97static void netmicrosd_config(void);
98static void netwifimicrosd_config(void);
99static void netmmc_config(void);
100static void wifistix_config(void);
101static void wifistix_cf_config(void);
102#elif defined(OVERO)
103static void eth0_config(void);
104static void eth1_config(void);
105static void chestnut_config(void);
106static void tobi_config(void);
107static void tobiduo_config(void);
108#endif
109
110#if defined(CPU_XSCALE_PXA250)
111static struct pxa2x0_gpioconf pxa255dep_gpioconf[] = {
112	/* Bluetooth module configuration */
113	{  7, GPIO_OUT | GPIO_SET },	/* power on */
114	{ 12, GPIO_ALT_FN_1_OUT },	/* 32kHz out. required by SingleStone */
115
116	/* AC97 configuration */
117	{ 29, GPIO_ALT_FN_1_IN },	/* SDATA_IN0 */
118
119	/* FFUART configuration */
120	{ 35, GPIO_ALT_FN_1_IN },	/* CTS */
121	{ 41, GPIO_ALT_FN_2_OUT },	/* RTS */
122
123#ifndef GXIO_BLUETOOTH_ON_HWUART
124	/* BTUART configuration */
125	{ 44, GPIO_ALT_FN_1_IN },	/* BTCTS */
126	{ 45, GPIO_ALT_FN_2_OUT },	/* BTRTS */
127#else
128	/* HWUART configuration */
129	{ 42, GPIO_ALT_FN_3_IN },	/* HWRXD */
130	{ 43, GPIO_ALT_FN_3_OUT },	/* HWTXD */
131	{ 44, GPIO_ALT_FN_3_IN },	/* HWCTS */
132	{ 45, GPIO_ALT_FN_3_OUT },	/* HWRTS */
133#endif
134
135#ifndef GXIO_BLUETOOTH_ON_HWUART
136	/* HWUART configuration */
137	{ 48, GPIO_ALT_FN_1_OUT },	/* HWTXD */
138	{ 49, GPIO_ALT_FN_1_IN },	/* HWRXD */
139	{ 50, GPIO_ALT_FN_1_IN },	/* HWCTS */
140	{ 51, GPIO_ALT_FN_1_OUT },	/* HWRTS */
141#endif
142
143	{ -1 }
144};
145#endif
146#if defined(CPU_XSCALE_PXA270)
147static struct pxa2x0_gpioconf verdexdep_gpioconf[] = {
148	/* Bluetooth module configuration */
149	{   9, GPIO_ALT_FN_3_OUT },	/* CHOUT<0> */
150	{  12, GPIO_OUT | GPIO_SET },
151
152	/* LCD configuration */
153	{  17, GPIO_IN },		/* backlight on */
154
155	/* FFUART configuration */
156	{  34, GPIO_ALT_FN_1_IN },	/* FFRXD */
157	{  39, GPIO_ALT_FN_2_OUT },	/* FFTXD */
158
159	/* BTUART configuration */
160	{  42, GPIO_ALT_FN_1_IN },	/* BTRXD */
161	{  43, GPIO_ALT_FN_2_OUT },	/* BTTXD */
162	{  44, GPIO_ALT_FN_1_IN },	/* BTCTS */
163	{  45, GPIO_ALT_FN_2_OUT },	/* BTRTS */
164
165	/* AC97 configuration */
166	{  29, GPIO_ALT_FN_1_IN },	/* SDATA_IN0 */
167
168	{ -1 }
169};
170#endif
171
172static const struct gxioconf busheader_conf[] = {
173#if defined(GUMSTIX)
174	{ "basix",		basix_config },
175	{ "cfstix",		cfstix_config },
176	{ "etherstix",		etherstix_config },
177	{ "netcf",		netcf_config },
178	{ "netcf-vx",		netcf_vx_config },
179	{ "netduo-mmc",		netduommc_config },
180	{ "netduo",		netduo_config },
181	{ "netmicrosd",		netmicrosd_config },
182	{ "netmicrosd-vx",	netmicrosd_config },
183	{ "netwifimicrosd",	netwifimicrosd_config },
184	{ "netmmc",		netmmc_config },
185	{ "netpro-vx",		netwifimicrosd_config },
186	{ "wifistix-cf",	wifistix_cf_config },
187	{ "wifistix",		wifistix_config },
188#elif defined(OVERO)
189	{ "chestnut43",		chestnut_config },
190	{ "tobi",		tobi_config },
191	{ "tobi-duo",		tobiduo_config },
192#endif
193	{ NULL }
194};
195
196int gxpcic_gpio_reset;
197struct gxpcic_slot_irqs gxpcic_slot_irqs[2] = { { 0, -1, -1 }, { 0, -1, -1 } };
198
199
200#if defined(GUMSTIX)
201/* ARGSUSED */
202static int
203gxiomatch(device_t parent, cfdata_t match, void *aux)
204{
205
206	struct pxaip_attach_args *pxa = aux;
207	bus_space_tag_t iot = &pxa2x0_bs_tag;
208	bus_space_handle_t ioh;
209
210	if (strcmp(pxa->pxa_name, match->cf_name) != 0 ||
211	    pxa->pxa_addr != PXAIPCF_ADDR_DEFAULT)
212		 return 0;
213
214	if (bus_space_map(iot,
215	    PXA2X0_MEMCTL_BASE, PXA2X0_MEMCTL_SIZE, 0, &ioh))
216		return 0;
217	bus_space_unmap(iot, ioh, PXA2X0_MEMCTL_SIZE);
218
219	/* nothing */
220	return 1;
221}
222
223/* ARGSUSED */
224static void
225gxioattach(device_t parent, device_t self, void *aux)
226{
227	struct gxio_softc *sc = device_private(self);
228
229	aprint_normal("\n");
230	aprint_naive("\n");
231
232	sc->sc_dev = self;
233	sc->sc_iot = &pxa2x0_bs_tag;
234
235	if (bus_space_map(sc->sc_iot,
236	    PXA2X0_MEMCTL_BASE, PXA2X0_MEMCTL_SIZE, 0, &sc->sc_ioh))
237		return;
238
239	/*
240	 *  Attach each gumstix(busheader)/overo expansion board devices.
241	 */
242	config_search_ia(gxiosearch, self, "gxio", NULL);
243}
244
245/* ARGSUSED */
246static int
247gxiosearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
248{
249	struct gxio_softc *sc = device_private(parent);
250	struct gxio_attach_args gxa;
251
252	gxa.gxa_sc = sc;
253	gxa.gxa_iot = sc->sc_iot;
254	gxa.gxa_addr = cf->cf_loc[GXIOCF_ADDR];
255	gxa.gxa_gpirq = cf->cf_loc[GXIOCF_GPIRQ];
256
257	if (config_match(parent, cf, &gxa))
258		config_attach(parent, cf, &gxa, gxioprint);
259
260	return 0;
261}
262
263/* ARGSUSED */
264static int
265gxioprint(void *aux, const char *name)
266{
267	struct gxio_attach_args *gxa = (struct gxio_attach_args *)aux;
268
269	if (gxa->gxa_addr != GXIOCF_ADDR_DEFAULT)
270		printf(" addr 0x%lx", gxa->gxa_addr);
271	if (gxa->gxa_gpirq > 0)
272		printf(" gpirq %d", gxa->gxa_gpirq);
273	return UNCONF;
274}
275#endif
276
277
278/*
279 * configure for GPIO pin and expansion boards.
280 */
281void
282gxio_config_pin(void)
283{
284#if defined(CPU_XSCALE_PXA250)
285	struct pxa2x0_gpioconf *gumstix_gpioconf[] = {
286		pxa25x_com_ffuart_gpioconf,
287		pxa25x_com_stuart_gpioconf,
288#ifndef GXIO_BLUETOOTH_ON_HWUART
289		pxa25x_com_btuart_gpioconf,
290#endif
291		pxa25x_com_hwuart_gpioconf,
292		pxa25x_i2c_gpioconf,
293		pxa25x_pxaacu_gpioconf,
294		pxa255dep_gpioconf,
295		NULL
296	};
297#endif
298#if defined(CPU_XSCALE_PXA270)
299	struct pxa2x0_gpioconf *verdex_gpioconf[] = {
300		pxa27x_com_ffuart_gpioconf,
301		pxa27x_com_stuart_gpioconf,
302		pxa27x_com_btuart_gpioconf,
303		pxa27x_i2c_gpioconf,
304		pxa27x_pxaacu_gpioconf,
305		pxa27x_pxamci_gpioconf,
306		pxa27x_ohci_gpioconf,
307		verdexdep_gpioconf,
308		NULL
309	};
310#endif
311
312	/* XXX: turn off for power of bluetooth module */
313#if defined(CPU_XSCALE_PXA250)
314	pxa2x0_gpio_set_function(7, GPIO_OUT | GPIO_CLR);
315#elif defined(CPU_XSCALE_PXA270)
316	pxa2x0_gpio_set_function(12, GPIO_OUT | GPIO_CLR);
317#endif
318	delay(100);
319
320#if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250)
321	pxa2x0_gpio_config(
322	    (CPU_IS_PXA250) ? gumstix_gpioconf : verdex_gpioconf);
323#elif defined(CPU_XSCALE_PXA270) || defined(CPU_XSCALE_PXA250)
324#if defined(CPU_XSCALE_PXA270)
325	pxa2x0_gpio_config(verdex_gpioconf);
326#else
327	pxa2x0_gpio_config(gumstix_gpioconf);
328#endif
329#endif
330}
331
332void
333gxio_config_expansion(char *expansion)
334{
335
336	if (expansion == NULL) {
337		printf("not specified 'expansion=' in the boot args.\n");
338#ifdef GXIO_DEFAULT_EXPANSION
339		printf("configure default expansion (%s)\n",
340		    GXIO_DEFAULT_EXPANSION);
341		expansion = __UNCONST(GXIO_DEFAULT_EXPANSION);
342#else
343		return;
344#endif
345	}
346	gxio_config_gpio(busheader_conf, expansion);
347}
348
349static void
350gxio_config_gpio(const struct gxioconf *gxioconflist, char *expansion)
351{
352	int i, rv;
353
354	for (i = 0; i < strlen(expansion); i++)
355		expansion[i] = tolower(expansion[i]);
356	for (i = 0; gxioconflist[i].name != NULL; i++) {
357		rv = strncmp(expansion, gxioconflist[i].name,
358		    strlen(gxioconflist[i].name) + 1);
359		if (rv == 0) {
360			gxioconflist[i].config();
361			break;
362		}
363	}
364}
365
366
367#if defined(GUMSTIX)
368
369static void
370basix_config(void)
371{
372
373	pxa2x0_gpio_set_function(8, GPIO_ALT_FN_1_OUT);		/* MMCCS0 */
374	pxa2x0_gpio_set_function(53, GPIO_ALT_FN_1_OUT);	/* MMCCLK */
375#if 0
376	/* this configuration set by gxmci.c::pxamci_attach() */
377	pxa2x0_gpio_set_function(11, GPIO_IN);			/* nSD_DETECT */
378	pxa2x0_gpio_set_function(22, GPIO_IN);			/* nSD_WP */
379#endif
380}
381
382static void
383cfstix_config(void)
384{
385	u_int gpio, npoe_fn;
386#if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250)
387	int bvd = (CPU_IS_PXA250) ? 4 : 111;
388#else
389#if defined(CPU_XSCALE_PXA270)
390	const int bvd = 111;
391#else
392	const int bvd = 4;
393#endif
394#endif
395
396	if (CPU_IS_PXA250) {
397		gxpcic_slot_irqs[0].valid = 1;
398		gxpcic_slot_irqs[0].cd = 11;
399		gxpcic_slot_irqs[0].prdy = 26;
400		gxpcic_gpio_reset = 8;
401	} else {
402		gxpcic_slot_irqs[0].valid = 1;
403		gxpcic_slot_irqs[0].cd = 104;
404		gxpcic_slot_irqs[0].prdy = 96;
405		gxpcic_gpio_reset = 97;
406	}
407
408#if 1
409	/* PCD/PRDY set by pxa2x0_pcic.c::pxapcic_attach_common() */
410#else
411	pxa2x0_gpio_set_function(11, GPIO_IN);		/* PCD1 */
412	pxa2x0_gpio_set_function(26, GPIO_IN);		/* PRDY1/~IRQ1 */
413#endif
414	pxa2x0_gpio_set_function(bvd, GPIO_IN); 	/* BVD1/~STSCHG1 */
415
416	for (gpio = 48, npoe_fn = 0; gpio <= 53 ; gpio++)
417		npoe_fn |= pxa2x0_gpio_get_function(gpio);
418	npoe_fn &= GPIO_SET;
419
420	pxa2x0_gpio_set_function(48, GPIO_ALT_FN_2_OUT | npoe_fn); /* nPOE */
421	pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT);	/* nPWE */
422	pxa2x0_gpio_set_function(50, GPIO_ALT_FN_2_OUT);	/* nPIOR */
423	pxa2x0_gpio_set_function(51, GPIO_ALT_FN_2_OUT);	/* nPIOW */
424	if (CPU_IS_PXA250) {
425		pxa2x0_gpio_set_function(52, GPIO_ALT_FN_2_OUT); /* nPCE1 */
426		pxa2x0_gpio_set_function(53, GPIO_ALT_FN_2_OUT); /* nPCE2 */
427		pxa2x0_gpio_set_function(54, GPIO_ALT_FN_2_OUT); /* pSKTSEL */
428	} else {
429		pxa2x0_gpio_set_function(102, GPIO_ALT_FN_1_OUT); /* nPCE1 */
430		pxa2x0_gpio_set_function(105, GPIO_ALT_FN_1_OUT); /* nPCE2 */
431		pxa2x0_gpio_set_function(79, GPIO_ALT_FN_1_OUT);  /* pSKTSEL */
432	}
433	pxa2x0_gpio_set_function(55, GPIO_ALT_FN_2_OUT);	/* nPREG */
434	pxa2x0_gpio_set_function(56, GPIO_ALT_FN_1_IN);		/* nPWAIT */
435	pxa2x0_gpio_set_function(57, GPIO_ALT_FN_1_IN);		/* nIOIS16 */
436}
437
438static void
439etherstix_config(void)
440{
441	extern struct cfdata cfdata[];
442#if defined(CPU_XSCALE_PXA270) && defined(CPU_XSCALE_PXA250)
443	int rst = (CPU_IS_PXA250) ? 80 : 32;
444	int irq = (CPU_IS_PXA250) ? 36 : 99;
445#else
446#if defined(CPU_XSCALE_PXA270)
447	const int rst = 32, irq = 99;
448#else
449	const int rst = 80, irq = 36;
450#endif
451#endif
452	int i;
453
454	pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT);	/* nPWE */
455	pxa2x0_gpio_set_function(15, GPIO_ALT_FN_2_OUT);	/* nCS 1 */
456	pxa2x0_gpio_set_function(rst, GPIO_OUT | GPIO_SET);	/* RESET 1 */
457	delay(1);
458	pxa2x0_gpio_set_function(rst, GPIO_OUT | GPIO_CLR);
459	delay(50000);
460
461	for (i = 0; cfdata[i].cf_name != NULL; i++)
462		if (strcmp(cfdata[i].cf_name, "sm") == 0 &&
463		    strcmp(cfdata[i].cf_atname, "sm_gxio") == 0 &&
464		    cfdata[i].cf_loc[GXIOCF_ADDR] == 0x04000300 &&
465		    cfdata[i].cf_loc[GXIOCF_GPIRQ] == GXIOCF_GPIRQ_DEFAULT)
466			cfdata[i].cf_loc[GXIOCF_GPIRQ] = irq;
467}
468
469static void
470netcf_config(void)
471{
472
473	etherstix_config();
474	cfstix_config();
475}
476
477static void
478netcf_vx_config(void)
479{
480
481	/*
482	 * XXXX: More power is necessary for NIC and USB???
483	 * (no document.  from Linux)
484	 */
485
486	pxa2x0_gpio_set_function(27, GPIO_IN);
487	pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_CLR);
488	pxa2x0_gpio_set_function(118, GPIO_ALT_FN_1_IN | GPIO_CLR);
489
490	etherstix_config();
491	cfstix_config();
492	if (CPU_IS_PXA270) {
493		/* Overwrite */
494		gxpcic_slot_irqs[0].cd = 104;
495		gxpcic_slot_irqs[0].prdy = 109;
496		gxpcic_gpio_reset = 110;
497	};
498}
499
500static void
501netduommc_config(void)
502{
503
504	netduo_config();
505	basix_config();
506}
507
508static void
509netduo_config(void)
510{
511
512	etherstix_config();
513
514	pxa2x0_gpio_set_function(78, GPIO_ALT_FN_2_OUT);	/* nCS 2 */
515	pxa2x0_gpio_set_function(52, GPIO_OUT | GPIO_SET);	/* RESET 2 */
516	delay(1);
517	pxa2x0_gpio_set_function(52, GPIO_OUT | GPIO_CLR);
518	delay(50000);
519}
520
521static void
522netmicrosd_config(void)
523{
524
525	/* MicroSD(mci) always configure on PXA270 */
526
527	pxa2x0_gpio_set_function(49, GPIO_ALT_FN_2_OUT);	/* nPWE */
528	pxa2x0_gpio_set_function(15, GPIO_ALT_FN_2_OUT);	/* nCS 1 */
529	pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_CLR);	/* RESET 1 */
530	delay(hz / 2);
531	pxa2x0_gpio_set_function(107, GPIO_OUT | GPIO_SET);
532	delay(50000);
533}
534
535static void
536netwifimicrosd_config(void)
537{
538
539	netmicrosd_config();
540
541	cfstix_config();
542	/* However use pxamci. */
543	pxa2x0_gpio_set_function(111, GPIO_CLR | GPIO_ALT_FN_1_IN);
544	/* Power to Marvell 88W8385 */
545	pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET);
546}
547
548static void
549netmmc_config(void)
550{
551
552	etherstix_config();
553	basix_config();
554}
555
556static void
557wifistix_config(void)
558{
559
560	cfstix_config();
561
562	/* Power to Marvell 88W8385 */
563	pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET);
564}
565
566static void
567wifistix_cf_config(void)
568{
569
570	gxpcic_slot_irqs[1].valid = 1;
571	gxpcic_slot_irqs[1].cd = 36;
572	gxpcic_slot_irqs[1].prdy = 27;
573
574#if 1
575	/* this configuration set by pxa2x0_pcic.c::pxapcic_attach_common() */
576#else
577	pxa2x0_gpio_set_function(36, GPIO_IN);		/* PCD2 */
578	pxa2x0_gpio_set_function(27, GPIO_IN);		/* PRDY2/~IRQ2 */
579#endif
580	pxa2x0_gpio_set_function(18, GPIO_IN); 		/* BVD2/~STSCHG2 */
581
582	cfstix_config();
583
584	/* Power to Marvell 88W8385 */
585	pxa2x0_gpio_set_function(80, GPIO_OUT | GPIO_SET);
586}
587
588#elif defined(OVERO)
589
590static void
591eth0_config(void)
592{
593	extern struct cfdata cfdata[];
594	cfdata_t cf = &cfdata[0];
595
596	/*
597	 * ETH0 connects via CS5.  It use GPIO 176 for IRQ.
598	 */
599
600	while (cf->cf_name != NULL) {
601		if (strcmp(cf->cf_name, "smsh") == 0 &&
602		    cf->cf_loc[GPMCCF_INTR] == PIC_MAXSOURCES + 176)
603			break;
604		cf++;
605	}
606	if (cf->cf_name == NULL ||
607	    cf->cf_loc[GPMCCF_ADDR] == GPMCCF_ADDR_DEFAULT)
608		return;
609
610	ioreg_write(OVERO_GPMC_VBASE + GPMC_CONFIG7_5,
611	    GPMC_CONFIG7_CSVALID |
612	    GPMC_CONFIG7(GPMC_CONFIG7_MASK_16M, cf->cf_loc[GPMCCF_ADDR]));
613
614	/*
615	 * Maybe need NRESET and delay(9).
616	 * However delay(9) needs to attach mputmr.
617	 */
618}
619
620static void
621eth1_config(void)
622{
623	extern struct cfdata cfdata[];
624	cfdata_t cf = &cfdata[0];
625
626	/*
627	 * ETH1 connects via CS4.  It use GPIO 65 for IRQ.
628	 */
629
630	while (cf->cf_name != NULL) {
631		if (strcmp(cf->cf_name, "smsh") == 0 &&
632		    cf->cf_loc[GPMCCF_INTR] == PIC_MAXSOURCES + 65)
633			break;
634		cf++;
635	}
636	if (cf->cf_name == NULL ||
637	    cf->cf_loc[GPMCCF_ADDR] == GPMCCF_ADDR_DEFAULT)
638		return;
639
640	ioreg_write(OVERO_GPMC_VBASE + GPMC_CONFIG7_4,
641	    GPMC_CONFIG7_CSVALID |
642	    GPMC_CONFIG7(GPMC_CONFIG7_MASK_16M, cf->cf_loc[GPMCCF_ADDR]));
643
644	/* ETH1 is sure to be reset with ETH0. */
645}
646
647static void
648chestnut_config(void)
649{
650
651	eth0_config();
652}
653
654static void
655tobi_config(void)
656{
657
658	eth0_config();
659}
660
661static void
662tobiduo_config(void)
663{
664
665	eth0_config();
666	eth1_config();
667}
668#endif
669