1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Alchemy Db1550/Pb1550 board support
4  *
5  * (c) 2011 Manuel Lauss <manuel.lauss@googlemail.com>
6  */
7 
8 #include <linux/clk.h>
9 #include <linux/dma-mapping.h>
10 #include <linux/gpio.h>
11 #include <linux/i2c.h>
12 #include <linux/init.h>
13 #include <linux/io.h>
14 #include <linux/interrupt.h>
15 #include <linux/mtd/mtd.h>
16 #include <linux/mtd/platnand.h>
17 #include <linux/platform_device.h>
18 #include <linux/pm.h>
19 #include <linux/spi/spi.h>
20 #include <linux/spi/flash.h>
21 #include <asm/bootinfo.h>
22 #include <asm/mach-au1x00/au1000.h>
23 #include <asm/mach-au1x00/gpio-au1000.h>
24 #include <asm/mach-au1x00/au1xxx_eth.h>
25 #include <asm/mach-au1x00/au1xxx_dbdma.h>
26 #include <asm/mach-au1x00/au1xxx_psc.h>
27 #include <asm/mach-au1x00/au1550_spi.h>
28 #include <asm/mach-au1x00/au1550nd.h>
29 #include <asm/mach-db1x00/bcsr.h>
30 #include <prom.h>
31 #include "platform.h"
32 
33 static void __init db1550_hw_setup(void)
34 {
35 	void __iomem *base;
36 	unsigned long v;
37 
38 	/* complete pin setup: assign GPIO16 to PSC0_SYNC1 (SPI cs# line)
39 	 * as well as PSC1_SYNC for AC97 on PB1550.
40 	 */
41 	v = alchemy_rdsys(AU1000_SYS_PINFUNC);
42 	alchemy_wrsys(v | 1 | SYS_PF_PSC1_S1, AU1000_SYS_PINFUNC);
43 
44 	/* reset the AC97 codec now, the reset time in the psc-ac97 driver
45 	 * is apparently too short although it's ridiculous as it is.
46 	 */
47 	base = (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR);
48 	__raw_writel(PSC_SEL_CLK_SERCLK | PSC_SEL_PS_AC97MODE,
49 		     base + PSC_SEL_OFFSET);
50 	__raw_writel(PSC_CTRL_DISABLE, base + PSC_CTRL_OFFSET);
51 	wmb();
52 	__raw_writel(PSC_AC97RST_RST, base + PSC_AC97RST_OFFSET);
53 	wmb();
54 }
55 
56 int __init db1550_board_setup(void)
57 {
58 	unsigned short whoami;
59 
60 	bcsr_init(DB1550_BCSR_PHYS_ADDR,
61 		  DB1550_BCSR_PHYS_ADDR + DB1550_BCSR_HEXLED_OFS);
62 
63 	whoami = bcsr_read(BCSR_WHOAMI); /* PB1550 hexled offset differs */
64 	switch (BCSR_WHOAMI_BOARD(whoami)) {
65 	case BCSR_WHOAMI_PB1550_SDR:
66 	case BCSR_WHOAMI_PB1550_DDR:
67 		bcsr_init(PB1550_BCSR_PHYS_ADDR,
68 			  PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
69 	case BCSR_WHOAMI_DB1550:
70 		break;
71 	default:
72 		return -ENODEV;
73 	}
74 
75 	pr_info("Alchemy/AMD %s Board, CPLD Rev %d Board-ID %d	"	\
76 		"Daughtercard ID %d\n", get_system_type(),
77 		(whoami >> 4) & 0xf, (whoami >> 8) & 0xf, whoami & 0xf);
78 
79 	db1550_hw_setup();
80 	return 0;
81 }
82 
83 /*****************************************************************************/
84 
85 static u64 au1550_all_dmamask = DMA_BIT_MASK(32);
86 
87 static struct mtd_partition db1550_spiflash_parts[] = {
88 	{
89 		.name	= "spi_flash",
90 		.offset = 0,
91 		.size	= MTDPART_SIZ_FULL,
92 	},
93 };
94 
95 static struct flash_platform_data db1550_spiflash_data = {
96 	.name		= "s25fl010",
97 	.parts		= db1550_spiflash_parts,
98 	.nr_parts	= ARRAY_SIZE(db1550_spiflash_parts),
99 	.type		= "m25p10",
100 };
101 
102 static struct spi_board_info db1550_spi_devs[] __initdata = {
103 	{
104 		/* TI TMP121AIDBVR temp sensor */
105 		.modalias	= "tmp121",
106 		.max_speed_hz	= 2400000,
107 		.bus_num	= 0,
108 		.chip_select	= 0,
109 		.mode		= SPI_MODE_0,
110 	},
111 	{
112 		/* Spansion S25FL001D0FMA SPI flash */
113 		.modalias	= "m25p80",
114 		.max_speed_hz	= 2400000,
115 		.bus_num	= 0,
116 		.chip_select	= 1,
117 		.mode		= SPI_MODE_0,
118 		.platform_data	= &db1550_spiflash_data,
119 	},
120 };
121 
122 static struct i2c_board_info db1550_i2c_devs[] __initdata = {
123 	{ I2C_BOARD_INFO("24c04",  0x52),}, /* AT24C04-10 I2C eeprom */
124 	{ I2C_BOARD_INFO("ne1619", 0x2d),}, /* adm1025-compat hwmon */
125 	{ I2C_BOARD_INFO("wm8731", 0x1b),}, /* I2S audio codec WM8731 */
126 };
127 
128 /**********************************************************************/
129 
130 static void au1550_nand_cmd_ctrl(struct nand_chip *this, int cmd,
131 				 unsigned int ctrl)
132 {
133 	unsigned long ioaddr = (unsigned long)this->legacy.IO_ADDR_W;
134 
135 	ioaddr &= 0xffffff00;
136 
137 	if (ctrl & NAND_CLE) {
138 		ioaddr += MEM_STNAND_CMD;
139 	} else if (ctrl & NAND_ALE) {
140 		ioaddr += MEM_STNAND_ADDR;
141 	} else {
142 		/* assume we want to r/w real data  by default */
143 		ioaddr += MEM_STNAND_DATA;
144 	}
145 	this->legacy.IO_ADDR_R = this->legacy.IO_ADDR_W = (void __iomem *)ioaddr;
146 	if (cmd != NAND_CMD_NONE) {
147 		__raw_writeb(cmd, this->legacy.IO_ADDR_W);
148 		wmb();
149 	}
150 }
151 
152 static int au1550_nand_device_ready(struct nand_chip *this)
153 {
154 	return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
155 }
156 
157 static struct mtd_partition db1550_nand_parts[] = {
158 	{
159 		.name	= "NAND FS 0",
160 		.offset = 0,
161 		.size	= 8 * 1024 * 1024,
162 	},
163 	{
164 		.name	= "NAND FS 1",
165 		.offset = MTDPART_OFS_APPEND,
166 		.size	= MTDPART_SIZ_FULL
167 	},
168 };
169 
170 struct platform_nand_data db1550_nand_platdata = {
171 	.chip = {
172 		.nr_chips	= 1,
173 		.chip_offset	= 0,
174 		.nr_partitions	= ARRAY_SIZE(db1550_nand_parts),
175 		.partitions	= db1550_nand_parts,
176 		.chip_delay	= 20,
177 	},
178 	.ctrl = {
179 		.dev_ready	= au1550_nand_device_ready,
180 		.cmd_ctrl	= au1550_nand_cmd_ctrl,
181 	},
182 };
183 
184 static struct resource db1550_nand_res[] = {
185 	[0] = {
186 		.start	= 0x20000000,
187 		.end	= 0x200000ff,
188 		.flags	= IORESOURCE_MEM,
189 	},
190 };
191 
192 static struct platform_device db1550_nand_dev = {
193 	.name		= "gen_nand",
194 	.num_resources	= ARRAY_SIZE(db1550_nand_res),
195 	.resource	= db1550_nand_res,
196 	.id		= -1,
197 	.dev		= {
198 		.platform_data = &db1550_nand_platdata,
199 	}
200 };
201 
202 static struct au1550nd_platdata pb1550_nand_pd = {
203 	.parts		= db1550_nand_parts,
204 	.num_parts	= ARRAY_SIZE(db1550_nand_parts),
205 	.devwidth	= 0,	/* x8 NAND default, needs fixing up */
206 };
207 
208 static struct platform_device pb1550_nand_dev = {
209 	.name		= "au1550-nand",
210 	.id		= -1,
211 	.resource	= db1550_nand_res,
212 	.num_resources	= ARRAY_SIZE(db1550_nand_res),
213 	.dev		= {
214 		.platform_data	= &pb1550_nand_pd,
215 	},
216 };
217 
218 static void __init pb1550_nand_setup(void)
219 {
220 	int boot_swapboot = (alchemy_rdsmem(AU1000_MEM_STSTAT) & (0x7 << 1)) |
221 			    ((bcsr_read(BCSR_STATUS) >> 6) & 0x1);
222 
223 	gpio_direction_input(206);	/* de-assert NAND CS# */
224 	switch (boot_swapboot) {
225 	case 0: case 2: case 8: case 0xC: case 0xD:
226 		/* x16 NAND Flash */
227 		pb1550_nand_pd.devwidth = 1;
228 		fallthrough;
229 	case 1: case 3: case 9: case 0xE: case 0xF:
230 		/* x8 NAND, already set up */
231 		platform_device_register(&pb1550_nand_dev);
232 	}
233 }
234 
235 /**********************************************************************/
236 
237 static struct resource au1550_psc0_res[] = {
238 	[0] = {
239 		.start	= AU1550_PSC0_PHYS_ADDR,
240 		.end	= AU1550_PSC0_PHYS_ADDR + 0xfff,
241 		.flags	= IORESOURCE_MEM,
242 	},
243 	[1] = {
244 		.start	= AU1550_PSC0_INT,
245 		.end	= AU1550_PSC0_INT,
246 		.flags	= IORESOURCE_IRQ,
247 	},
248 	[2] = {
249 		.start	= AU1550_DSCR_CMD0_PSC0_TX,
250 		.end	= AU1550_DSCR_CMD0_PSC0_TX,
251 		.flags	= IORESOURCE_DMA,
252 	},
253 	[3] = {
254 		.start	= AU1550_DSCR_CMD0_PSC0_RX,
255 		.end	= AU1550_DSCR_CMD0_PSC0_RX,
256 		.flags	= IORESOURCE_DMA,
257 	},
258 };
259 
260 static void db1550_spi_cs_en(struct au1550_spi_info *spi, int cs, int pol)
261 {
262 	if (cs)
263 		bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SPISEL);
264 	else
265 		bcsr_mod(BCSR_BOARD, BCSR_BOARD_SPISEL, 0);
266 }
267 
268 static struct au1550_spi_info db1550_spi_platdata = {
269 	.mainclk_hz	= 48000000,	/* PSC0 clock: max. 2.4MHz SPI clk */
270 	.num_chipselect = 2,
271 	.activate_cs	= db1550_spi_cs_en,
272 };
273 
274 
275 static struct platform_device db1550_spi_dev = {
276 	.dev	= {
277 		.dma_mask		= &au1550_all_dmamask,
278 		.coherent_dma_mask	= DMA_BIT_MASK(32),
279 		.platform_data		= &db1550_spi_platdata,
280 	},
281 	.name		= "au1550-spi",
282 	.id		= 0,	/* bus number */
283 	.num_resources	= ARRAY_SIZE(au1550_psc0_res),
284 	.resource	= au1550_psc0_res,
285 };
286 
287 /**********************************************************************/
288 
289 static struct resource au1550_psc1_res[] = {
290 	[0] = {
291 		.start	= AU1550_PSC1_PHYS_ADDR,
292 		.end	= AU1550_PSC1_PHYS_ADDR + 0xfff,
293 		.flags	= IORESOURCE_MEM,
294 	},
295 	[1] = {
296 		.start	= AU1550_PSC1_INT,
297 		.end	= AU1550_PSC1_INT,
298 		.flags	= IORESOURCE_IRQ,
299 	},
300 	[2] = {
301 		.start	= AU1550_DSCR_CMD0_PSC1_TX,
302 		.end	= AU1550_DSCR_CMD0_PSC1_TX,
303 		.flags	= IORESOURCE_DMA,
304 	},
305 	[3] = {
306 		.start	= AU1550_DSCR_CMD0_PSC1_RX,
307 		.end	= AU1550_DSCR_CMD0_PSC1_RX,
308 		.flags	= IORESOURCE_DMA,
309 	},
310 };
311 
312 static struct platform_device db1550_ac97_dev = {
313 	.name		= "au1xpsc_ac97",
314 	.id		= 1,	/* PSC ID */
315 	.num_resources	= ARRAY_SIZE(au1550_psc1_res),
316 	.resource	= au1550_psc1_res,
317 };
318 
319 
320 static struct resource au1550_psc2_res[] = {
321 	[0] = {
322 		.start	= AU1550_PSC2_PHYS_ADDR,
323 		.end	= AU1550_PSC2_PHYS_ADDR + 0xfff,
324 		.flags	= IORESOURCE_MEM,
325 	},
326 	[1] = {
327 		.start	= AU1550_PSC2_INT,
328 		.end	= AU1550_PSC2_INT,
329 		.flags	= IORESOURCE_IRQ,
330 	},
331 	[2] = {
332 		.start	= AU1550_DSCR_CMD0_PSC2_TX,
333 		.end	= AU1550_DSCR_CMD0_PSC2_TX,
334 		.flags	= IORESOURCE_DMA,
335 	},
336 	[3] = {
337 		.start	= AU1550_DSCR_CMD0_PSC2_RX,
338 		.end	= AU1550_DSCR_CMD0_PSC2_RX,
339 		.flags	= IORESOURCE_DMA,
340 	},
341 };
342 
343 static struct platform_device db1550_i2c_dev = {
344 	.name		= "au1xpsc_smbus",
345 	.id		= 0,	/* bus number */
346 	.num_resources	= ARRAY_SIZE(au1550_psc2_res),
347 	.resource	= au1550_psc2_res,
348 };
349 
350 /**********************************************************************/
351 
352 static struct resource au1550_psc3_res[] = {
353 	[0] = {
354 		.start	= AU1550_PSC3_PHYS_ADDR,
355 		.end	= AU1550_PSC3_PHYS_ADDR + 0xfff,
356 		.flags	= IORESOURCE_MEM,
357 	},
358 	[1] = {
359 		.start	= AU1550_PSC3_INT,
360 		.end	= AU1550_PSC3_INT,
361 		.flags	= IORESOURCE_IRQ,
362 	},
363 	[2] = {
364 		.start	= AU1550_DSCR_CMD0_PSC3_TX,
365 		.end	= AU1550_DSCR_CMD0_PSC3_TX,
366 		.flags	= IORESOURCE_DMA,
367 	},
368 	[3] = {
369 		.start	= AU1550_DSCR_CMD0_PSC3_RX,
370 		.end	= AU1550_DSCR_CMD0_PSC3_RX,
371 		.flags	= IORESOURCE_DMA,
372 	},
373 };
374 
375 static struct platform_device db1550_i2s_dev = {
376 	.name		= "au1xpsc_i2s",
377 	.id		= 3,	/* PSC ID */
378 	.num_resources	= ARRAY_SIZE(au1550_psc3_res),
379 	.resource	= au1550_psc3_res,
380 };
381 
382 /**********************************************************************/
383 
384 static struct platform_device db1550_stac_dev = {
385 	.name		= "ac97-codec",
386 	.id		= 1,	/* on PSC1 */
387 };
388 
389 static struct platform_device db1550_ac97dma_dev = {
390 	.name		= "au1xpsc-pcm",
391 	.id		= 1,	/* on PSC3 */
392 };
393 
394 static struct platform_device db1550_i2sdma_dev = {
395 	.name		= "au1xpsc-pcm",
396 	.id		= 3,	/* on PSC3 */
397 };
398 
399 static struct platform_device db1550_sndac97_dev = {
400 	.name		= "db1550-ac97",
401 	.dev = {
402 		.dma_mask		= &au1550_all_dmamask,
403 		.coherent_dma_mask	= DMA_BIT_MASK(32),
404 	},
405 };
406 
407 static struct platform_device db1550_sndi2s_dev = {
408 	.name		= "db1550-i2s",
409 	.dev = {
410 		.dma_mask		= &au1550_all_dmamask,
411 		.coherent_dma_mask	= DMA_BIT_MASK(32),
412 	},
413 };
414 
415 /**********************************************************************/
416 
417 static int db1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
418 {
419 	if ((slot < 11) || (slot > 13) || pin == 0)
420 		return -1;
421 	if (slot == 11)
422 		return (pin == 1) ? AU1550_PCI_INTC : 0xff;
423 	if (slot == 12) {
424 		switch (pin) {
425 		case 1: return AU1550_PCI_INTB;
426 		case 2: return AU1550_PCI_INTC;
427 		case 3: return AU1550_PCI_INTD;
428 		case 4: return AU1550_PCI_INTA;
429 		}
430 	}
431 	if (slot == 13) {
432 		switch (pin) {
433 		case 1: return AU1550_PCI_INTA;
434 		case 2: return AU1550_PCI_INTB;
435 		case 3: return AU1550_PCI_INTC;
436 		case 4: return AU1550_PCI_INTD;
437 		}
438 	}
439 	return -1;
440 }
441 
442 static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
443 {
444 	if ((slot < 12) || (slot > 13) || pin == 0)
445 		return -1;
446 	if (slot == 12) {
447 		switch (pin) {
448 		case 1: return AU1500_PCI_INTB;
449 		case 2: return AU1500_PCI_INTC;
450 		case 3: return AU1500_PCI_INTD;
451 		case 4: return AU1500_PCI_INTA;
452 		}
453 	}
454 	if (slot == 13) {
455 		switch (pin) {
456 		case 1: return AU1500_PCI_INTA;
457 		case 2: return AU1500_PCI_INTB;
458 		case 3: return AU1500_PCI_INTC;
459 		case 4: return AU1500_PCI_INTD;
460 		}
461 	}
462 	return -1;
463 }
464 
465 static struct resource alchemy_pci_host_res[] = {
466 	[0] = {
467 		.start	= AU1500_PCI_PHYS_ADDR,
468 		.end	= AU1500_PCI_PHYS_ADDR + 0xfff,
469 		.flags	= IORESOURCE_MEM,
470 	},
471 };
472 
473 static struct alchemy_pci_platdata db1550_pci_pd = {
474 	.board_map_irq	= db1550_map_pci_irq,
475 };
476 
477 static struct platform_device db1550_pci_host_dev = {
478 	.dev.platform_data = &db1550_pci_pd,
479 	.name		= "alchemy-pci",
480 	.id		= 0,
481 	.num_resources	= ARRAY_SIZE(alchemy_pci_host_res),
482 	.resource	= alchemy_pci_host_res,
483 };
484 
485 /**********************************************************************/
486 
487 static struct platform_device *db1550_devs[] __initdata = {
488 	&db1550_i2c_dev,
489 	&db1550_ac97_dev,
490 	&db1550_spi_dev,
491 	&db1550_i2s_dev,
492 	&db1550_stac_dev,
493 	&db1550_ac97dma_dev,
494 	&db1550_i2sdma_dev,
495 	&db1550_sndac97_dev,
496 	&db1550_sndi2s_dev,
497 };
498 
499 /* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
500 int __init db1550_pci_setup(int id)
501 {
502 	if (id)
503 		db1550_pci_pd.board_map_irq = pb1550_map_pci_irq;
504 	return platform_device_register(&db1550_pci_host_dev);
505 }
506 
507 static void __init db1550_devices(void)
508 {
509 	alchemy_gpio_direction_output(203, 0);	/* red led on */
510 
511 	irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_EDGE_BOTH);	 /* CD0# */
512 	irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_EDGE_BOTH);	 /* CD1# */
513 	irq_set_irq_type(AU1550_GPIO3_INT, IRQ_TYPE_LEVEL_LOW);	 /* CARD0# */
514 	irq_set_irq_type(AU1550_GPIO5_INT, IRQ_TYPE_LEVEL_LOW);	 /* CARD1# */
515 	irq_set_irq_type(AU1550_GPIO21_INT, IRQ_TYPE_LEVEL_LOW); /* STSCHG0# */
516 	irq_set_irq_type(AU1550_GPIO22_INT, IRQ_TYPE_LEVEL_LOW); /* STSCHG1# */
517 
518 	db1x_register_pcmcia_socket(
519 		AU1000_PCMCIA_ATTR_PHYS_ADDR,
520 		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
521 		AU1000_PCMCIA_MEM_PHYS_ADDR,
522 		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
523 		AU1000_PCMCIA_IO_PHYS_ADDR,
524 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
525 		AU1550_GPIO3_INT, 0,
526 		/*AU1550_GPIO21_INT*/0, 0, 0);
527 
528 	db1x_register_pcmcia_socket(
529 		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
530 		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
531 		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
532 		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
533 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
534 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
535 		AU1550_GPIO5_INT, 1,
536 		/*AU1550_GPIO22_INT*/0, 0, 1);
537 
538 	platform_device_register(&db1550_nand_dev);
539 
540 	alchemy_gpio_direction_output(202, 0);	/* green led on */
541 }
542 
543 static void __init pb1550_devices(void)
544 {
545 	irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_LEVEL_LOW);
546 	irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_LEVEL_LOW);
547 	irq_set_irq_type(AU1550_GPIO201_205_INT, IRQ_TYPE_LEVEL_HIGH);
548 
549 	/* enable both PCMCIA card irqs in the shared line */
550 	alchemy_gpio2_enable_int(201);	/* socket 0 card irq */
551 	alchemy_gpio2_enable_int(202);	/* socket 1 card irq */
552 
553 	/* Pb1550, like all others, also has statuschange irqs; however they're
554 	* wired up on one of the Au1550's shared GPIO201_205 line, which also
555 	* services the PCMCIA card interrupts.	So we ignore statuschange and
556 	* use the GPIO201_205 exclusively for card interrupts, since a) pcmcia
557 	* drivers are used to shared irqs and b) statuschange isn't really use-
558 	* ful anyway.
559 	*/
560 	db1x_register_pcmcia_socket(
561 		AU1000_PCMCIA_ATTR_PHYS_ADDR,
562 		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
563 		AU1000_PCMCIA_MEM_PHYS_ADDR,
564 		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
565 		AU1000_PCMCIA_IO_PHYS_ADDR,
566 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
567 		AU1550_GPIO201_205_INT, AU1550_GPIO0_INT, 0, 0, 0);
568 
569 	db1x_register_pcmcia_socket(
570 		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
571 		AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
572 		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
573 		AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
574 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008000000,
575 		AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
576 		AU1550_GPIO201_205_INT, AU1550_GPIO1_INT, 0, 0, 1);
577 
578 	pb1550_nand_setup();
579 }
580 
581 int __init db1550_dev_setup(void)
582 {
583 	int swapped, id;
584 	struct clk *c;
585 
586 	id = (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) != BCSR_WHOAMI_DB1550);
587 
588 	i2c_register_board_info(0, db1550_i2c_devs,
589 				ARRAY_SIZE(db1550_i2c_devs));
590 	spi_register_board_info(db1550_spi_devs,
591 				ARRAY_SIZE(db1550_i2c_devs));
592 
593 	c = clk_get(NULL, "psc0_intclk");
594 	if (!IS_ERR(c)) {
595 		clk_set_rate(c, 50000000);
596 		clk_prepare_enable(c);
597 		clk_put(c);
598 	}
599 	c = clk_get(NULL, "psc2_intclk");
600 	if (!IS_ERR(c)) {
601 		clk_set_rate(c, db1550_spi_platdata.mainclk_hz);
602 		clk_prepare_enable(c);
603 		clk_put(c);
604 	}
605 
606 	/* Audio PSC clock is supplied by codecs (PSC1, 3) FIXME: platdata!! */
607 	__raw_writel(PSC_SEL_CLK_SERCLK,
608 	    (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
609 	wmb();
610 	__raw_writel(PSC_SEL_CLK_SERCLK,
611 	    (void __iomem *)KSEG1ADDR(AU1550_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
612 	wmb();
613 	/* SPI/I2C use internally supplied 50MHz source */
614 	__raw_writel(PSC_SEL_CLK_INTCLK,
615 	    (void __iomem *)KSEG1ADDR(AU1550_PSC0_PHYS_ADDR) + PSC_SEL_OFFSET);
616 	wmb();
617 	__raw_writel(PSC_SEL_CLK_INTCLK,
618 	    (void __iomem *)KSEG1ADDR(AU1550_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
619 	wmb();
620 
621 	id ? pb1550_devices() : db1550_devices();
622 
623 	swapped = bcsr_read(BCSR_STATUS) &
624 	       (id ? BCSR_STATUS_PB1550_SWAPBOOT : BCSR_STATUS_DB1000_SWAPBOOT);
625 	db1x_register_norflash(128 << 20, 4, swapped);
626 
627 	return platform_add_devices(db1550_devs, ARRAY_SIZE(db1550_devs));
628 }
629