HID: picolcd: sanity check report size in raw_event() callback
[firefly-linux-kernel-4.4.55.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/dma-mapping.h>
8 #include <linux/gpio.h>
9 #include <linux/i2c.h>
10 #include <linux/init.h>
11 #include <linux/io.h>
12 #include <linux/interrupt.h>
13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/nand.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/platform_device.h>
17 #include <linux/pm.h>
18 #include <linux/spi/spi.h>
19 #include <linux/spi/flash.h>
20 #include <asm/bootinfo.h>
21 #include <asm/mach-au1x00/au1000.h>
22 #include <asm/mach-au1x00/au1xxx_eth.h>
23 #include <asm/mach-au1x00/au1xxx_dbdma.h>
24 #include <asm/mach-au1x00/au1xxx_psc.h>
25 #include <asm/mach-au1x00/au1550_spi.h>
26 #include <asm/mach-au1x00/au1550nd.h>
27 #include <asm/mach-db1x00/bcsr.h>
28 #include <prom.h>
29 #include "platform.h"
30
31 static void __init db1550_hw_setup(void)
32 {
33         void __iomem *base;
34
35         /* complete SPI setup: link psc0_intclk to a 48MHz source,
36          * and assign GPIO16 to PSC0_SYNC1 (SPI cs# line) as well as PSC1_SYNC
37          * for AC97 on PB1550.
38          */
39         base = (void __iomem *)SYS_CLKSRC;
40         __raw_writel(__raw_readl(base) | 0x000001e0, base);
41         base = (void __iomem *)SYS_PINFUNC;
42         __raw_writel(__raw_readl(base) | 1 | SYS_PF_PSC1_S1, base);
43         wmb();
44
45         /* reset the AC97 codec now, the reset time in the psc-ac97 driver
46          * is apparently too short although it's ridiculous as it is.
47          */
48         base = (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR);
49         __raw_writel(PSC_SEL_CLK_SERCLK | PSC_SEL_PS_AC97MODE,
50                      base + PSC_SEL_OFFSET);
51         __raw_writel(PSC_CTRL_DISABLE, base + PSC_CTRL_OFFSET);
52         wmb();
53         __raw_writel(PSC_AC97RST_RST, base + PSC_AC97RST_OFFSET);
54         wmb();
55 }
56
57 int __init db1550_board_setup(void)
58 {
59         unsigned short whoami;
60
61         bcsr_init(DB1550_BCSR_PHYS_ADDR,
62                   DB1550_BCSR_PHYS_ADDR + DB1550_BCSR_HEXLED_OFS);
63
64         whoami = bcsr_read(BCSR_WHOAMI); /* PB1550 hexled offset differs */
65         switch (BCSR_WHOAMI_BOARD(whoami)) {
66         case BCSR_WHOAMI_PB1550_SDR:
67         case BCSR_WHOAMI_PB1550_DDR:
68                 bcsr_init(PB1550_BCSR_PHYS_ADDR,
69                           PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
70         case BCSR_WHOAMI_DB1550:
71                 break;
72         default:
73                 return -ENODEV;
74         }
75
76         pr_info("Alchemy/AMD %s Board, CPLD Rev %d Board-ID %d  "       \
77                 "Daughtercard ID %d\n", get_system_type(),
78                 (whoami >> 4) & 0xf, (whoami >> 8) & 0xf, whoami & 0xf);
79
80         db1550_hw_setup();
81         return 0;
82 }
83
84 /*****************************************************************************/
85
86 static struct mtd_partition db1550_spiflash_parts[] = {
87         {
88                 .name   = "spi_flash",
89                 .offset = 0,
90                 .size   = MTDPART_SIZ_FULL,
91         },
92 };
93
94 static struct flash_platform_data db1550_spiflash_data = {
95         .name           = "s25fl010",
96         .parts          = db1550_spiflash_parts,
97         .nr_parts       = ARRAY_SIZE(db1550_spiflash_parts),
98         .type           = "m25p10",
99 };
100
101 static struct spi_board_info db1550_spi_devs[] __initdata = {
102         {
103                 /* TI TMP121AIDBVR temp sensor */
104                 .modalias       = "tmp121",
105                 .max_speed_hz   = 2400000,
106                 .bus_num        = 0,
107                 .chip_select    = 0,
108                 .mode           = SPI_MODE_0,
109         },
110         {
111                 /* Spansion S25FL001D0FMA SPI flash */
112                 .modalias       = "m25p80",
113                 .max_speed_hz   = 2400000,
114                 .bus_num        = 0,
115                 .chip_select    = 1,
116                 .mode           = SPI_MODE_0,
117                 .platform_data  = &db1550_spiflash_data,
118         },
119 };
120
121 static struct i2c_board_info db1550_i2c_devs[] __initdata = {
122         { I2C_BOARD_INFO("24c04",  0x52),}, /* AT24C04-10 I2C eeprom */
123         { I2C_BOARD_INFO("ne1619", 0x2d),}, /* adm1025-compat hwmon */
124         { I2C_BOARD_INFO("wm8731", 0x1b),}, /* I2S audio codec WM8731 */
125 };
126
127 /**********************************************************************/
128
129 static void au1550_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
130                                  unsigned int ctrl)
131 {
132         struct nand_chip *this = mtd->priv;
133         unsigned long ioaddr = (unsigned long)this->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->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr;
146         if (cmd != NAND_CMD_NONE) {
147                 __raw_writeb(cmd, this->IO_ADDR_W);
148                 wmb();
149         }
150 }
151
152 static int au1550_nand_device_ready(struct mtd_info *mtd)
153 {
154         return __raw_readl((void __iomem *)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 = (au_readl(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 static u64 spi_dmamask = DMA_BIT_MASK(32);
275
276 static struct platform_device db1550_spi_dev = {
277         .dev    = {
278                 .dma_mask               = &spi_dmamask,
279                 .coherent_dma_mask      = DMA_BIT_MASK(32),
280                 .platform_data          = &db1550_spi_platdata,
281         },
282         .name           = "au1550-spi",
283         .id             = 0,    /* bus number */
284         .num_resources  = ARRAY_SIZE(au1550_psc0_res),
285         .resource       = au1550_psc0_res,
286 };
287
288 /**********************************************************************/
289
290 static struct resource au1550_psc1_res[] = {
291         [0] = {
292                 .start  = AU1550_PSC1_PHYS_ADDR,
293                 .end    = AU1550_PSC1_PHYS_ADDR + 0xfff,
294                 .flags  = IORESOURCE_MEM,
295         },
296         [1] = {
297                 .start  = AU1550_PSC1_INT,
298                 .end    = AU1550_PSC1_INT,
299                 .flags  = IORESOURCE_IRQ,
300         },
301         [2] = {
302                 .start  = AU1550_DSCR_CMD0_PSC1_TX,
303                 .end    = AU1550_DSCR_CMD0_PSC1_TX,
304                 .flags  = IORESOURCE_DMA,
305         },
306         [3] = {
307                 .start  = AU1550_DSCR_CMD0_PSC1_RX,
308                 .end    = AU1550_DSCR_CMD0_PSC1_RX,
309                 .flags  = IORESOURCE_DMA,
310         },
311 };
312
313 static struct platform_device db1550_ac97_dev = {
314         .name           = "au1xpsc_ac97",
315         .id             = 1,    /* PSC ID */
316         .num_resources  = ARRAY_SIZE(au1550_psc1_res),
317         .resource       = au1550_psc1_res,
318 };
319
320
321 static struct resource au1550_psc2_res[] = {
322         [0] = {
323                 .start  = AU1550_PSC2_PHYS_ADDR,
324                 .end    = AU1550_PSC2_PHYS_ADDR + 0xfff,
325                 .flags  = IORESOURCE_MEM,
326         },
327         [1] = {
328                 .start  = AU1550_PSC2_INT,
329                 .end    = AU1550_PSC2_INT,
330                 .flags  = IORESOURCE_IRQ,
331         },
332         [2] = {
333                 .start  = AU1550_DSCR_CMD0_PSC2_TX,
334                 .end    = AU1550_DSCR_CMD0_PSC2_TX,
335                 .flags  = IORESOURCE_DMA,
336         },
337         [3] = {
338                 .start  = AU1550_DSCR_CMD0_PSC2_RX,
339                 .end    = AU1550_DSCR_CMD0_PSC2_RX,
340                 .flags  = IORESOURCE_DMA,
341         },
342 };
343
344 static struct platform_device db1550_i2c_dev = {
345         .name           = "au1xpsc_smbus",
346         .id             = 0,    /* bus number */
347         .num_resources  = ARRAY_SIZE(au1550_psc2_res),
348         .resource       = au1550_psc2_res,
349 };
350
351 /**********************************************************************/
352
353 static struct resource au1550_psc3_res[] = {
354         [0] = {
355                 .start  = AU1550_PSC3_PHYS_ADDR,
356                 .end    = AU1550_PSC3_PHYS_ADDR + 0xfff,
357                 .flags  = IORESOURCE_MEM,
358         },
359         [1] = {
360                 .start  = AU1550_PSC3_INT,
361                 .end    = AU1550_PSC3_INT,
362                 .flags  = IORESOURCE_IRQ,
363         },
364         [2] = {
365                 .start  = AU1550_DSCR_CMD0_PSC3_TX,
366                 .end    = AU1550_DSCR_CMD0_PSC3_TX,
367                 .flags  = IORESOURCE_DMA,
368         },
369         [3] = {
370                 .start  = AU1550_DSCR_CMD0_PSC3_RX,
371                 .end    = AU1550_DSCR_CMD0_PSC3_RX,
372                 .flags  = IORESOURCE_DMA,
373         },
374 };
375
376 static struct platform_device db1550_i2s_dev = {
377         .name           = "au1xpsc_i2s",
378         .id             = 3,    /* PSC ID */
379         .num_resources  = ARRAY_SIZE(au1550_psc3_res),
380         .resource       = au1550_psc3_res,
381 };
382
383 /**********************************************************************/
384
385 static struct platform_device db1550_stac_dev = {
386         .name           = "ac97-codec",
387         .id             = 1,    /* on PSC1 */
388 };
389
390 static struct platform_device db1550_ac97dma_dev = {
391         .name           = "au1xpsc-pcm",
392         .id             = 1,    /* on PSC3 */
393 };
394
395 static struct platform_device db1550_i2sdma_dev = {
396         .name           = "au1xpsc-pcm",
397         .id             = 3,    /* on PSC3 */
398 };
399
400 static struct platform_device db1550_sndac97_dev = {
401         .name           = "db1550-ac97",
402 };
403
404 static struct platform_device db1550_sndi2s_dev = {
405         .name           = "db1550-i2s",
406 };
407
408 /**********************************************************************/
409
410 static int db1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
411 {
412         if ((slot < 11) || (slot > 13) || pin == 0)
413                 return -1;
414         if (slot == 11)
415                 return (pin == 1) ? AU1550_PCI_INTC : 0xff;
416         if (slot == 12) {
417                 switch (pin) {
418                 case 1: return AU1550_PCI_INTB;
419                 case 2: return AU1550_PCI_INTC;
420                 case 3: return AU1550_PCI_INTD;
421                 case 4: return AU1550_PCI_INTA;
422                 }
423         }
424         if (slot == 13) {
425                 switch (pin) {
426                 case 1: return AU1550_PCI_INTA;
427                 case 2: return AU1550_PCI_INTB;
428                 case 3: return AU1550_PCI_INTC;
429                 case 4: return AU1550_PCI_INTD;
430                 }
431         }
432         return -1;
433 }
434
435 static int pb1550_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
436 {
437         if ((slot < 12) || (slot > 13) || pin == 0)
438                 return -1;
439         if (slot == 12) {
440                 switch (pin) {
441                 case 1: return AU1500_PCI_INTB;
442                 case 2: return AU1500_PCI_INTC;
443                 case 3: return AU1500_PCI_INTD;
444                 case 4: return AU1500_PCI_INTA;
445                 }
446         }
447         if (slot == 13) {
448                 switch (pin) {
449                 case 1: return AU1500_PCI_INTA;
450                 case 2: return AU1500_PCI_INTB;
451                 case 3: return AU1500_PCI_INTC;
452                 case 4: return AU1500_PCI_INTD;
453                 }
454         }
455         return -1;
456 }
457
458 static struct resource alchemy_pci_host_res[] = {
459         [0] = {
460                 .start  = AU1500_PCI_PHYS_ADDR,
461                 .end    = AU1500_PCI_PHYS_ADDR + 0xfff,
462                 .flags  = IORESOURCE_MEM,
463         },
464 };
465
466 static struct alchemy_pci_platdata db1550_pci_pd = {
467         .board_map_irq  = db1550_map_pci_irq,
468 };
469
470 static struct platform_device db1550_pci_host_dev = {
471         .dev.platform_data = &db1550_pci_pd,
472         .name           = "alchemy-pci",
473         .id             = 0,
474         .num_resources  = ARRAY_SIZE(alchemy_pci_host_res),
475         .resource       = alchemy_pci_host_res,
476 };
477
478 /**********************************************************************/
479
480 static struct platform_device *db1550_devs[] __initdata = {
481         &db1550_i2c_dev,
482         &db1550_ac97_dev,
483         &db1550_spi_dev,
484         &db1550_i2s_dev,
485         &db1550_stac_dev,
486         &db1550_ac97dma_dev,
487         &db1550_i2sdma_dev,
488         &db1550_sndac97_dev,
489         &db1550_sndi2s_dev,
490 };
491
492 /* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
493 int __init db1550_pci_setup(int id)
494 {
495         if (id)
496                 db1550_pci_pd.board_map_irq = pb1550_map_pci_irq;
497         return platform_device_register(&db1550_pci_host_dev);
498 }
499
500 static void __init db1550_devices(void)
501 {
502         alchemy_gpio_direction_output(203, 0);  /* red led on */
503
504         irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_EDGE_BOTH);  /* CD0# */
505         irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_EDGE_BOTH);  /* CD1# */
506         irq_set_irq_type(AU1550_GPIO3_INT, IRQ_TYPE_LEVEL_LOW);  /* CARD0# */
507         irq_set_irq_type(AU1550_GPIO5_INT, IRQ_TYPE_LEVEL_LOW);  /* CARD1# */
508         irq_set_irq_type(AU1550_GPIO21_INT, IRQ_TYPE_LEVEL_LOW); /* STSCHG0# */
509         irq_set_irq_type(AU1550_GPIO22_INT, IRQ_TYPE_LEVEL_LOW); /* STSCHG1# */
510
511         db1x_register_pcmcia_socket(
512                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
513                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
514                 AU1000_PCMCIA_MEM_PHYS_ADDR,
515                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
516                 AU1000_PCMCIA_IO_PHYS_ADDR,
517                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
518                 AU1550_GPIO3_INT, AU1550_GPIO0_INT,
519                 /*AU1550_GPIO21_INT*/0, 0, 0);
520
521         db1x_register_pcmcia_socket(
522                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004000000,
523                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1,
524                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004000000,
525                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x004400000 - 1,
526                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004000000,
527                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x004010000 - 1,
528                 AU1550_GPIO5_INT, AU1550_GPIO1_INT,
529                 /*AU1550_GPIO22_INT*/0, 0, 1);
530
531         platform_device_register(&db1550_nand_dev);
532
533         alchemy_gpio_direction_output(202, 0);  /* green led on */
534 }
535
536 static void __init pb1550_devices(void)
537 {
538         irq_set_irq_type(AU1550_GPIO0_INT, IRQ_TYPE_LEVEL_LOW);
539         irq_set_irq_type(AU1550_GPIO1_INT, IRQ_TYPE_LEVEL_LOW);
540         irq_set_irq_type(AU1550_GPIO201_205_INT, IRQ_TYPE_LEVEL_HIGH);
541
542         /* enable both PCMCIA card irqs in the shared line */
543         alchemy_gpio2_enable_int(201);  /* socket 0 card irq */
544         alchemy_gpio2_enable_int(202);  /* socket 1 card irq */
545
546         /* Pb1550, like all others, also has statuschange irqs; however they're
547         * wired up on one of the Au1550's shared GPIO201_205 line, which also
548         * services the PCMCIA card interrupts.  So we ignore statuschange and
549         * use the GPIO201_205 exclusively for card interrupts, since a) pcmcia
550         * drivers are used to shared irqs and b) statuschange isn't really use-
551         * ful anyway.
552         */
553         db1x_register_pcmcia_socket(
554                 AU1000_PCMCIA_ATTR_PHYS_ADDR,
555                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
556                 AU1000_PCMCIA_MEM_PHYS_ADDR,
557                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
558                 AU1000_PCMCIA_IO_PHYS_ADDR,
559                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
560                 AU1550_GPIO201_205_INT, AU1550_GPIO0_INT, 0, 0, 0);
561
562         db1x_register_pcmcia_socket(
563                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
564                 AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
565                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
566                 AU1000_PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
567                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008000000,
568                 AU1000_PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
569                 AU1550_GPIO201_205_INT, AU1550_GPIO1_INT, 0, 0, 1);
570
571         pb1550_nand_setup();
572 }
573
574 int __init db1550_dev_setup(void)
575 {
576         int swapped, id;
577
578         id = (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI)) != BCSR_WHOAMI_DB1550);
579
580         i2c_register_board_info(0, db1550_i2c_devs,
581                                 ARRAY_SIZE(db1550_i2c_devs));
582         spi_register_board_info(db1550_spi_devs,
583                                 ARRAY_SIZE(db1550_i2c_devs));
584
585         /* Audio PSC clock is supplied by codecs (PSC1, 3) FIXME: platdata!! */
586         __raw_writel(PSC_SEL_CLK_SERCLK,
587             (void __iomem *)KSEG1ADDR(AU1550_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
588         wmb();
589         __raw_writel(PSC_SEL_CLK_SERCLK,
590             (void __iomem *)KSEG1ADDR(AU1550_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET);
591         wmb();
592         /* SPI/I2C use internally supplied 50MHz source */
593         __raw_writel(PSC_SEL_CLK_INTCLK,
594             (void __iomem *)KSEG1ADDR(AU1550_PSC0_PHYS_ADDR) + PSC_SEL_OFFSET);
595         wmb();
596         __raw_writel(PSC_SEL_CLK_INTCLK,
597             (void __iomem *)KSEG1ADDR(AU1550_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET);
598         wmb();
599
600         id ? pb1550_devices() : db1550_devices();
601
602         swapped = bcsr_read(BCSR_STATUS) &
603                (id ? BCSR_STATUS_PB1550_SWAPBOOT : BCSR_STATUS_DB1000_SWAPBOOT);
604         db1x_register_norflash(128 << 20, 4, swapped);
605
606         return platform_add_devices(db1550_devs, ARRAY_SIZE(db1550_devs));
607 }