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-rw-r--r--arch/mips/alchemy/devboards/db1200/platform.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/db1200/platform.c b/arch/mips/alchemy/devboards/db1200/platform.c
index 5a6ef8deda10..d6b3e64376c0 100644
--- a/arch/mips/alchemy/devboards/db1200/platform.c
+++ b/arch/mips/alchemy/devboards/db1200/platform.c
@@ -399,12 +399,43 @@ static struct platform_device db1200_spi_dev = {
399 .resource = au1200_psc0_res, 399 .resource = au1200_psc0_res,
400}; 400};
401 401
402static struct resource au1200_psc1_res[] = {
403 [0] = {
404 .start = PSC1_PHYS_ADDR,
405 .end = PSC1_PHYS_ADDR + 0x000fffff,
406 .flags = IORESOURCE_MEM,
407 },
408 [1] = {
409 .start = AU1200_PSC1_INT,
410 .end = AU1200_PSC1_INT,
411 .flags = IORESOURCE_IRQ,
412 },
413 [2] = {
414 .start = DSCR_CMD0_PSC1_TX,
415 .end = DSCR_CMD0_PSC1_TX,
416 .flags = IORESOURCE_DMA,
417 },
418 [3] = {
419 .start = DSCR_CMD0_PSC1_RX,
420 .end = DSCR_CMD0_PSC1_RX,
421 .flags = IORESOURCE_DMA,
422 },
423};
424
425static struct platform_device db1200_audio_dev = {
426 /* name assigned later based on switch setting */
427 .id = 1, /* PSC ID */
428 .num_resources = ARRAY_SIZE(au1200_psc1_res),
429 .resource = au1200_psc1_res,
430};
431
402static struct platform_device *db1200_devs[] __initdata = { 432static struct platform_device *db1200_devs[] __initdata = {
403 NULL, /* PSC0, selected by S6.8 */ 433 NULL, /* PSC0, selected by S6.8 */
404 &db1200_ide_dev, 434 &db1200_ide_dev,
405 &db1200_eth_dev, 435 &db1200_eth_dev,
406 &db1200_rtc_dev, 436 &db1200_rtc_dev,
407 &db1200_nand_dev, 437 &db1200_nand_dev,
438 &db1200_audio_dev,
408}; 439};
409 440
410static int __init db1200_dev_init(void) 441static int __init db1200_dev_init(void)
@@ -419,6 +450,7 @@ static int __init db1200_dev_init(void)
419 ARRAY_SIZE(db1200_i2c_devs)); 450 ARRAY_SIZE(db1200_i2c_devs));
420 451
421 /* SWITCHES: S6.8 I2C/SPI selector (OFF=I2C ON=SPI) 452 /* SWITCHES: S6.8 I2C/SPI selector (OFF=I2C ON=SPI)
453 * S6.7 AC97/I2S selector (OFF=AC97 ON=I2S)
422 */ 454 */
423 455
424 /* NOTE: GPIO215 controls OTG VBUS supply. In SPI mode however 456 /* NOTE: GPIO215 controls OTG VBUS supply. In SPI mode however
@@ -456,6 +488,25 @@ static int __init db1200_dev_init(void)
456 __raw_writel(pfc, (void __iomem *)SYS_PINFUNC); 488 __raw_writel(pfc, (void __iomem *)SYS_PINFUNC);
457 wmb(); 489 wmb();
458 490
491 /* Audio: DIP7 selects I2S(0)/AC97(1), but need I2C for I2S!
492 * so: DIP7=1 || DIP8=0 => AC97, DIP7=0 && DIP8=1 => I2S
493 */
494 sw &= BCSR_SWITCHES_DIP_8 | BCSR_SWITCHES_DIP_7;
495 if (sw == BCSR_SWITCHES_DIP_8) {
496 bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_PSC1MUX);
497 db1200_audio_dev.name = "au1xpsc_i2s";
498 printk(KERN_INFO " S6.7 ON : PSC1 mode I2S\n");
499 } else {
500 bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC1MUX, 0);
501 db1200_audio_dev.name = "au1xpsc_ac97";
502 printk(KERN_INFO " S6.7 OFF: PSC1 mode AC97\n");
503 }
504
505 /* Audio PSC clock is supplied externally. (FIXME: platdata!!) */
506 __raw_writel(PSC_SEL_CLK_SERCLK,
507 (void __iomem *)KSEG1ADDR(PSC1_PHYS_ADDR) + PSC_SEL_OFFSET);
508 wmb();
509
459 db1x_register_pcmcia_socket(PCMCIA_ATTR_PSEUDO_PHYS, 510 db1x_register_pcmcia_socket(PCMCIA_ATTR_PSEUDO_PHYS,
460 PCMCIA_ATTR_PSEUDO_PHYS + 0x00040000 - 1, 511 PCMCIA_ATTR_PSEUDO_PHYS + 0x00040000 - 1,
461 PCMCIA_MEM_PSEUDO_PHYS, 512 PCMCIA_MEM_PSEUDO_PHYS,