Merge tag 'dm-3.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device...
[sfrench/cifs-2.6.git] / arch / mips / alchemy / devboards / db1550.c
1 /*
2  * Alchemy Db1550/Pb1550 board support
3  *
4  * (c) 2011 Manuel Lauss <manuel.lauss@googlemail.com>
5  */
6
7 #include <linux/clk.h>
8 #include <linux/dma-mapping.h>
9 #include <linux/gpio.h>
10 #include <linux/i2c.h>
11 #include <linux/init.h>
12 #include <linux/io.h>
13 #include <linux/interrupt.h>
14 #include <linux/mtd/mtd.h>
15 #include <linux/mtd/nand.h>
16 #include <linux/mtd/partitions.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/au1xxx_eth.h>
24 #include <asm/mach-au1x00/au1xxx_dbdma.h>
25 #include <asm/mach-au1x00/au1xxx_psc.h>
26 #include <asm/mach-au1x00/au1550_spi.h>
27 #include <asm/mach-au1x00/au1550nd.h>
28 #include <asm/mach-db1x00/bcsr.h>
29 #include <prom.h>
30 #include "platform.h"
31
32 static void __init db1550_hw_setup(void)
33 {
34         void __iomem *base;
35         unsigned long v;
36
37         /* complete SPI setup: link psc0_intclk to a 48MHz source,
38          * and assign GPIO16 to PSC0_SYNC1 (SPI cs# line) as well as PSC1_SYNC
39          * for AC97 on PB1550.
40          */
41         v = alchemy_rdsys(AU1000_SYS_CLKSRC);
42         alchemy_wrsys(v | 0x000001e0, AU1000_SYS_CLKSRC);
43         v = alchemy_rdsys(AU1000_SYS_PINFUNC);
44         alchemy_wrsys(v | 1 | SYS_PF_PSC1_S1, AU1000_SYS_PINFUNC);
45
46         /* reset the AC97 codec now, the reset time in the psc-ac97 driver
47          * is apparently too short although it's ridiculous as it is.
48          */
49         base = (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR);
50         __raw_writel(PSC_SEL_CLK_SERCLK | PSC_SEL_PS_AC97MODE,
51                      base + PSC_SEL_OFFSET);
52         __raw_writel(PSC_CTRL_DISABLE, base + PSC_CTRL_OFFSET);
53         wmb();
54         __raw_writel(PSC_AC97RST_RST, base + PSC_AC97RST_OFFSET);
55         wmb();
56 }
57
58 int __init db1550_board_setup(void)
59 {
60         unsigned short whoami;
61
62         bcsr_init(DB1550_BCSR_PHYS_ADDR,
63                   DB1550_BCSR_PHYS_ADDR + DB1550_BCSR_HEXLED_OFS);
64
65         whoami = bcsr_read(BCSR_WHOAMI); /* PB1550 hexled offset differs */
66         switch (BCSR_WHOAMI_BOARD(whoami)) {
67         case BCSR_WHOAMI_PB1550_SDR:
68         case BCSR_WHOAMI_PB1550_DDR:
69                 bcsr_init(PB1550_BCSR_PHYS_ADDR,
70                           PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
71         case BCSR_WHOAMI_DB1550:
72                 break;
73         default:
74                 return -ENODEV;
75         }
76
77         pr_info("Alchemy/AMD %s Board, CPLD Rev %d Board-ID %d  "       \
78                 "Daughtercard ID %d\n", get_system_type(),
79                 (whoami >> 4) & 0xf, (whoami >> 8) & 0xf, whoami & 0xf);
80
81         db1550_hw_setup();
82         return 0;
83 }
84
85 /*****************************************************************************/
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 mtd_info *mtd, int cmd,
131                                  unsigned int ctrl)
132 {
133         struct nand_chip *this = mtd->priv;
134         unsigned long ioaddr = (unsigned long)this->IO_ADDR_W;
135
136         ioaddr &= 0xffffff00;
137
138         if (ctrl & NAND_CLE) {
139                 ioaddr += MEM_STNAND_CMD;
140         } else if (ctrl & NAND_ALE) {
141                 ioaddr += MEM_STNAND_ADDR;
142         } else {
143                 /* assume we want to r/w real data  by default */
144                 ioaddr += MEM_STNAND_DATA;
145         }
146         this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
147         if (cmd != NAND_CMD_NONE) {
148                 __raw_writeb(cmd, this->IO_ADDR_W);
149                 wmb();
150         }
151 }
152
153 static int au1550_nand_device_ready(struct mtd_info *mtd)
154 {
155         return alchemy_rdsmem(AU1000_MEM_STSTAT) & 1;
156 }
157
158 static struct mtd_partition db1550_nand_parts[] = {
159         {
160                 .name   = "NAND FS 0",
161                 .offset = 0,
162                 .size   = 8 * 1024 * 1024,
163         },
164         {
165                 .name   = "NAND FS 1",
166                 .offset = MTDPART_OFS_APPEND,
167                 .size   = MTDPART_SIZ_FULL
168         },
169 };
170
171 struct platform_nand_data db1550_nand_platdata = {
172         .chip = {
173                 .nr_chips       = 1,
174                 .chip_offset    = 0,
175                 .nr_partitions  = ARRAY_SIZE(db1550_nand_parts),
176                 .partitions     = db1550_nand_parts,
177                 .chip_delay     = 20,
178         },
179         .ctrl = {
180                 .dev_ready      = au1550_nand_device_ready,
181                 .cmd_ctrl       = au1550_nand_cmd_ctrl,
182         },
183 };
184
185 static struct resource db1550_nand_res[] = {
186         [0] = {
187                 .start  = 0x20000000,
188                 .end    = 0x200000ff,
189                 .flags  = IORESOURCE_MEM,
190         },
191 };
192
193 static struct platform_device db1550_nand_dev = {
194         .name           = "gen_nand",
195         .num_resources  = ARRAY_SIZE(db1550_nand_res),
196         .resource       = db1550_nand_res,
197         .id             = -1,
198         .dev            = {
199                 .platform_data = &db1550_nand_platdata,
200         }
201 };
202
203 static struct au1550nd_platdata pb1550_nand_pd = {
204         .parts          = db1550_nand_parts,
205         .num_parts      = ARRAY_SIZE(db1550_nand_parts),
206         .devwidth       = 0,    /* x8 NAND default, needs fixing up */
207 };
208
209 static struct platform_device pb1550_nand_dev = {
210         .name           = "au1550-nand",
211         .id             = -1,
212         .resource       = db1550_nand_res,
213         .num_resources  = ARRAY_SIZE(db1550_nand_res),
214         .dev            = {
215                 .platform_data  = &pb1550_nand_pd,
216         },
217 };
218
219 static void __init pb1550_nand_setup(void)
220 {
221         int boot_swapboot = (alchemy_rdsmem(AU1000_MEM_STSTAT) & (0x7 << 1)) |
222                             ((bcsr_read(BCSR_STATUS) >> 6) & 0x1);
223
224         gpio_direction_input(206);      /* de-assert NAND CS# */
225         switch (boot_swapboot) {
226         case 0: case 2: case 8: case 0xC: case 0xD:
227                 /* x16 NAND Flash */
228                 pb1550_nand_pd.devwidth = 1;
229                 /* fallthrough */
230         case 1: case 3: case 9: case 0xE: case 0xF:
231                 /* x8 NAND, already set up */
232                 platform_device_register(&pb1550_nand_dev);
233         }
234 }
235
236 /**********************************************************************/
237
238 static struct resource au1550_psc0_res[] = {
239         [0] = {
240                 .start  = AU1550_PSC0_PHYS_ADDR,
241                 .end    = AU1550_PSC0_PHYS_ADDR + 0xfff,
242                 .flags  = IORESOURCE_MEM,
243         },
244         [1] = {
245                 .start  = AU1550_PSC0_INT,
246                 .end    = AU1550_PSC0_INT,
247                 .flags  = IORESOURCE_IRQ,
248         },
249         [2] = {
250                 .start  = AU1550_DSCR_CMD0_PSC0_TX,
251                 .end    = AU1550_DSCR_CMD0_PSC0_TX,
252                 .flags  = IORESOURCE_DMA,
253         },
254         [3] = {
255                 .start  = AU1550_DSCR_CMD0_PSC0_RX,
256                 .end    = AU1550_DSCR_CMD0_PSC0_RX,
257                 .flags  = IORESOURCE_DMA,
258         },
259 };
260
261 static void db1550_spi_cs_en(struct au1550_spi_info *spi, int cs, int pol)
262 {
263         if (cs)
264                 bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SPISEL);
265         else
266                 bcsr_mod(BCSR_BOARD, BCSR_BOARD_SPISEL, 0);
267 }
268
269 static struct au1550_spi_info db1550_spi_platdata = {
270         .mainclk_hz     = 48000000,     /* PSC0 clock: max. 2.4MHz SPI clk */
271         .num_chipselect = 2,
272         .activate_cs    = db1550_spi_cs_en,
273 };
274
275 static u64 spi_dmamask = DMA_BIT_MASK(32);
276
277 static struct platform_device db1550_spi_dev = {
278         .dev    = {
279                 .dma_mask               = &spi_dmamask,
280                 .coherent_dma_mask      = DMA_BIT_MASK(32),
281                 .platform_data          = &db1550_spi_platdata,
282         },
283         .name           = "au1550-spi",
284         .id             = 0,    /* bus number */
285         .num_resources  = ARRAY_SIZE(au1550_psc0_res),
286         .resource       = au1550_psc0_res,
287 };
288
289 /**********************************************************************/
290
291 static struct resource au1550_psc1_res[] = {
292         [0] = {
293                 .start  = AU1550_PSC1_PHYS_ADDR,
294                 .end    = AU1550_PSC1_PHYS_ADDR + 0xfff,
295                 .flags  = IORESOURCE_MEM,
296         },
297         [1] = {
298                 .start  = AU1550_PSC1_INT,
299                 .end    = AU1550_PSC1_INT,
300                 .flags  = IORESOURCE_IRQ,
301         },
302         [2] = {
303                 .start  = AU1550_DSCR_CMD0_PSC1_TX,
304                 .end    = AU1550_DSCR_CMD0_PSC1_TX,
305                 .flags  = IORESOURCE_DMA,
306         },
307         [3] = {
308                 .start  = AU1550_DSCR_CMD0_PSC1_RX,
309                 .end    = AU1550_DSCR_CMD0_PSC1_RX,
310                 .flags  = IORESOURCE_DMA,
311         },
312 };
313
314 static struct platform_device db1550_ac97_dev = {
315         .name           = "au1xpsc_ac97",
316         .id             = 1,    /* PSC ID */
317         .num_resources  = ARRAY_SIZE(au1550_psc1_res),
318         .resource       = au1550_psc1_res,
319 };
320
321
322 static struct resource au1550_psc2_res[] = {
323         [0] = {
324                 .start  = AU1550_PSC2_PHYS_ADDR,
325                 .end    = AU1550_PSC2_PHYS_ADDR + 0xfff,
326                 .flags  = IORESOURCE_MEM,
327         },
328         [1] = {
329                 .start  = AU1550_PSC2_INT,
330                 .end    = AU1550_PSC2_INT,
331                 .flags  = IORESOURCE_IRQ,
332         },
333         [2] = {
334                 .start  = AU1550_DSCR_CMD0_PSC2_TX,
335                 .end    = AU1550_DSCR_CMD0_PSC2_TX,
336                 .flags  = IORESOURCE_DMA,
337         },
338         [3] = {
339                 .start  = AU1550_DSCR_CMD0_PSC2_RX,
340                 .end    = AU1550_DSCR_CMD0_PSC2_RX,
341                 .flags  = IORESOURCE_DMA,
342         },
343 };
344
345 static struct platform_device db1550_i2c_dev = {
346         .name           = "au1xpsc_smbus",
347         .id             = 0,    /* bus number */
348         .num_resources  = ARRAY_SIZE(au1550_psc2_res),
349         .resource       = au1550_psc2_res,
350 };
351
352 /**********************************************************************/
353
354 static struct resource au1550_psc3_res[] = {
355         [0] = {
356                 .start  = AU1550_PSC3_PHYS_ADDR,
357                 .end    = AU1550_PSC3_PHYS_ADDR + 0xfff,
358                 .flags  = IORESOURCE_MEM,
359         },
360         [1] = {
361                 .start  = AU1550_PSC3_INT,
362                 .end    = AU1550_PSC3_INT,
363                 .flags  = IORESOURCE_IRQ,
364         },
365         [2] = {
366                 .start  = AU1550_DSCR_CMD0_PSC3_TX,
367                 .end    = AU1550_DSCR_CMD0_PSC3_TX,
368                 .flags  = IORESOURCE_DMA,
369         },
370         [3] = {
371                 .start  = AU1550_DSCR_CMD0_PSC3_RX,
372                 .end    = AU1550_DSCR_CMD0_PSC3_RX,
373                 .flags  = IORESOURCE_DMA,
374         },
375 };
376
377 static struct platform_device db1550_i2s_dev = {
378         .name           = "au1xpsc_i2s",
379         .id             = 3,    /* PSC ID */
380         .num_resources  = ARRAY_SIZE(au1550_psc3_res),
381         .resource       = au1550_psc3_res,
382 };
383
384 /**********************************************************************/
385
386 static struct platform_device db1550_stac_dev = {
387         .name           = "ac97-codec",
388         .id             = 1,    /* on PSC1 */
389 };
390
391 static struct platform_device db1550_ac97dma_dev = {
392         .name           = "au1xpsc-pcm",
393         .id             = 1,    /* on PSC3 */
394 };
395
396 static struct platform_device db1550_i2sdma_dev = {
397         .name           = "au1xpsc-pcm",
398         .id             = 3,    /* on PSC3 */
399 };
400
401 static struct platform_device db1550_sndac97_dev = {
402         .name           = "db1550-ac97",
403 };
404
405 static struct platform_device db1550_sndi2s_dev = {
406         .name           = "db1550-i2s",
407 };
408
409 /**********************************************************************/
410
411 static int db1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
412 {
413         if ((slot < 11) || (slot > 13) || pin == 0)
414                 return -1;
415         if (slot == 11)
416                 return (pin == 1) ? AU1550_PCI_INTC : 0xff;
417         if (slot == 12) {
418                 switch (pin) {
419                 case 1: return AU1550_PCI_INTB;
420                 case 2: return AU1550_PCI_INTC;
421                 case 3: return AU1550_PCI_INTD;
422                 case 4: return AU1550_PCI_INTA;
423                 }
424         }
425         if (slot == 13) {
426                 switch (pin) {
427                 case 1: return AU1550_PCI_INTA;
428                 case 2: return AU1550_PCI_INTB;
429                 case 3: return AU1550_PCI_INTC;
430                 case 4: return AU1550_PCI_INTD;
431                 }
432         }
433         return -1;
434 }
435
436 static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
437 {
438         if ((slot < 12) || (slot > 13) || pin == 0)
439                 return -1;
440         if (slot == 12) {
441                 switch (pin) {
442                 case 1: return AU1500_PCI_INTB;
443                 case 2: return AU1500_PCI_INTC;
444                 case 3: return AU1500_PCI_INTD;
445                 case 4: return AU1500_PCI_INTA;
446                 }
447         }
448         if (slot == 13) {
449                 switch (pin) {
450                 case 1: return AU1500_PCI_INTA;
451                 case 2: return AU1500_PCI_INTB;
452                 case 3: return AU1500_PCI_INTC;
453                 case 4: return AU1500_PCI_INTD;
454                 }
455         }
456         return -1;
457 }
458
459 static struct resource alchemy_pci_host_res[] = {
460         [0] = {
461                 .start  = AU1500_PCI_PHYS_ADDR,
462                 .end    = AU1500_PCI_PHYS_ADDR + 0xfff,
463                 .flags  = IORESOURCE_MEM,
464         },
465 };
466
467 static struct alchemy_pci_platdata db1550_pci_pd = {
468         .board_map_irq  = db1550_map_pci_irq,
469 };
470
471 static struct platform_device db1550_pci_host_dev = {
472         .dev.platform_data = &db1550_pci_pd,
473         .name           = "alchemy-pci",
474         .id             = 0,
475         .num_resources  = ARRAY_SIZE(alchemy_pci_host_res),
476         .resource       = alchemy_pci_host_res,
477 };
478
479 /**********************************************************************/
480
481 static struct platform_device *db1550_devs[] __initdata = {
482         &db1550_i2c_dev,
483         &db1550_ac97_dev,
484         &db1550_spi_dev,
485         &db1550_i2s_dev,
486         &db1550_stac_dev,
487         &db1550_ac97dma_dev,
488         &db1550_i2sdma_dev,
489         &db1550_sndac97_dev,
490         &db1550_sndi2s_dev,
491 };
492
493 /* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
494 int __init db1550_pci_setup(int id)
495 {
496         if (id)
497                 db1550_pci_pd.board_map_irq = pb1550_map_pci_irq;
498         return platform_device_register(&db1550_pci_host_dev);
499 }
500
501 static void __init db1550_devices(void)
502 {
503         alchemy_gpio_direction_output(203, 0);  /* red led on */
504
505         irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_EDGE_BOTH);  /* CD0# */
506         irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_EDGE_BOTH);  /* CD1# */
507         irq_set_irq_type(AU1550_GPIO3_INT, IRQ_TYPE_LEVEL_LOW);  /* CARD0# */
508         irq_set_irq_type(AU1550_GPIO5_INT, IRQ_TYPE_LEVEL_LOW);  /* CARD1# */
509         irq_set_irq_type(AU1550_GPIO21_INT, IRQ_TYPE_LEVEL_LOW); /* STSCHG0# */
510         irq_set_irq_type(AU1550_GPIO22_INT, IRQ_TYPE_LEVEL_LOW); /* STSCHG1# */
511
512         db1x_register_pcmcia_socket(
513                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
514                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
515                 AU1000_PCMCIA_MEM_PHYS_ADDR,
516                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
517                 AU1000_PCMCIA_IO_PHYS_ADDR,
518                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
519                 AU1550_GPIO3_INT, AU1550_GPIO0_INT,
520                 /*AU1550_GPIO21_INT*/0, 0, 0);
521
522         db1x_register_pcmcia_socket(
523                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
524                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
525                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
526                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
527                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
528                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
529                 AU1550_GPIO5_INT, AU1550_GPIO1_INT,
530                 /*AU1550_GPIO22_INT*/0, 0, 1);
531
532         platform_device_register(&db1550_nand_dev);
533
534         alchemy_gpio_direction_output(202, 0);  /* green led on */
535 }
536
537 static void __init pb1550_devices(void)
538 {
539         irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_LEVEL_LOW);
540         irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_LEVEL_LOW);
541         irq_set_irq_type(AU1550_GPIO201_205_INT, IRQ_TYPE_LEVEL_HIGH);
542
543         /* enable both PCMCIA card irqs in the shared line */
544         alchemy_gpio2_enable_int(201);  /* socket 0 card irq */
545         alchemy_gpio2_enable_int(202);  /* socket 1 card irq */
546
547         /* Pb1550, like all others, also has statuschange irqs; however they're
548         * wired up on one of the Au1550's shared GPIO201_205 line, which also
549         * services the PCMCIA card interrupts.  So we ignore statuschange and
550         * use the GPIO201_205 exclusively for card interrupts, since a) pcmcia
551         * drivers are used to shared irqs and b) statuschange isn't really use-
552         * ful anyway.
553         */
554         db1x_register_pcmcia_socket(
555                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
556                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
557                 AU1000_PCMCIA_MEM_PHYS_ADDR,
558                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
559                 AU1000_PCMCIA_IO_PHYS_ADDR,
560                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
561                 AU1550_GPIO201_205_INT, AU1550_GPIO0_INT, 0, 0, 0);
562
563         db1x_register_pcmcia_socket(
564                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
565                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
566                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
567                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
568                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008000000,
569                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
570                 AU1550_GPIO201_205_INT, AU1550_GPIO1_INT, 0, 0, 1);
571
572         pb1550_nand_setup();
573 }
574
575 int __init db1550_dev_setup(void)
576 {
577         int swapped, id;
578         struct clk *c;
579
580         id = (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) != BCSR_WHOAMI_DB1550);
581
582         i2c_register_board_info(0, db1550_i2c_devs,
583                                 ARRAY_SIZE(db1550_i2c_devs));
584         spi_register_board_info(db1550_spi_devs,
585                                 ARRAY_SIZE(db1550_i2c_devs));
586
587         c = clk_get(NULL, "psc0_intclk");
588         if (!IS_ERR(c)) {
589                 clk_prepare_enable(c);
590                 clk_put(c);
591         }
592         c = clk_get(NULL, "psc2_intclk");
593         if (!IS_ERR(c)) {
594                 clk_prepare_enable(c);
595                 clk_put(c);
596         }
597
598         /* Audio PSC clock is supplied by codecs (PSC1, 3) FIXME: platdata!! */
599         __raw_writel(PSC_SEL_CLK_SERCLK,
600             (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
601         wmb();
602         __raw_writel(PSC_SEL_CLK_SERCLK,
603             (void __iomem *)KSEG1ADDR(AU1550_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
604         wmb();
605         /* SPI/I2C use internally supplied 50MHz source */
606         __raw_writel(PSC_SEL_CLK_INTCLK,
607             (void __iomem *)KSEG1ADDR(AU1550_PSC0_PHYS_ADDR) + PSC_SEL_OFFSET);
608         wmb();
609         __raw_writel(PSC_SEL_CLK_INTCLK,
610             (void __iomem *)KSEG1ADDR(AU1550_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
611         wmb();
612
613         id ? pb1550_devices() : db1550_devices();
614
615         swapped = bcsr_read(BCSR_STATUS) &
616                (id ? BCSR_STATUS_PB1550_SWAPBOOT : BCSR_STATUS_DB1000_SWAPBOOT);
617         db1x_register_norflash(128 << 20, 4, swapped);
618
619         return platform_add_devices(db1550_devs, ARRAY_SIZE(db1550_devs));
620 }