aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-davinci/dm646x.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-davinci/dm646x.c')
-rw-r--r--arch/arm/mach-davinci/dm646x.c321
1 files changed, 310 insertions, 11 deletions
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 334f0711e0f5..0976049c7b3b 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -27,10 +27,20 @@
27#include <mach/time.h> 27#include <mach/time.h>
28#include <mach/serial.h> 28#include <mach/serial.h>
29#include <mach/common.h> 29#include <mach/common.h>
30#include <mach/asp.h>
30 31
31#include "clock.h" 32#include "clock.h"
32#include "mux.h" 33#include "mux.h"
33 34
35#define DAVINCI_VPIF_BASE (0x01C12000)
36#define VDD3P3V_PWDN_OFFSET (0x48)
37#define VSCLKDIS_OFFSET (0x6C)
38
39#define VDD3P3V_VID_MASK (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\
40 BIT_MASK(0))
41#define VSCLKDIS_MASK (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\
42 BIT_MASK(8))
43
34/* 44/*
35 * Device specific clocks 45 * Device specific clocks
36 */ 46 */
@@ -162,6 +172,41 @@ static struct clk arm_clk = {
162 .flags = ALWAYS_ENABLED, 172 .flags = ALWAYS_ENABLED,
163}; 173};
164 174
175static struct clk edma_cc_clk = {
176 .name = "edma_cc",
177 .parent = &pll1_sysclk2,
178 .lpsc = DM646X_LPSC_TPCC,
179 .flags = ALWAYS_ENABLED,
180};
181
182static struct clk edma_tc0_clk = {
183 .name = "edma_tc0",
184 .parent = &pll1_sysclk2,
185 .lpsc = DM646X_LPSC_TPTC0,
186 .flags = ALWAYS_ENABLED,
187};
188
189static struct clk edma_tc1_clk = {
190 .name = "edma_tc1",
191 .parent = &pll1_sysclk2,
192 .lpsc = DM646X_LPSC_TPTC1,
193 .flags = ALWAYS_ENABLED,
194};
195
196static struct clk edma_tc2_clk = {
197 .name = "edma_tc2",
198 .parent = &pll1_sysclk2,
199 .lpsc = DM646X_LPSC_TPTC2,
200 .flags = ALWAYS_ENABLED,
201};
202
203static struct clk edma_tc3_clk = {
204 .name = "edma_tc3",
205 .parent = &pll1_sysclk2,
206 .lpsc = DM646X_LPSC_TPTC3,
207 .flags = ALWAYS_ENABLED,
208};
209
165static struct clk uart0_clk = { 210static struct clk uart0_clk = {
166 .name = "uart0", 211 .name = "uart0",
167 .parent = &aux_clkin, 212 .parent = &aux_clkin,
@@ -192,6 +237,18 @@ static struct clk gpio_clk = {
192 .lpsc = DM646X_LPSC_GPIO, 237 .lpsc = DM646X_LPSC_GPIO,
193}; 238};
194 239
240static struct clk mcasp0_clk = {
241 .name = "mcasp0",
242 .parent = &pll1_sysclk3,
243 .lpsc = DM646X_LPSC_McASP0,
244};
245
246static struct clk mcasp1_clk = {
247 .name = "mcasp1",
248 .parent = &pll1_sysclk3,
249 .lpsc = DM646X_LPSC_McASP1,
250};
251
195static struct clk aemif_clk = { 252static struct clk aemif_clk = {
196 .name = "aemif", 253 .name = "aemif",
197 .parent = &pll1_sysclk3, 254 .parent = &pll1_sysclk3,
@@ -237,6 +294,13 @@ static struct clk timer2_clk = {
237 .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */ 294 .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
238}; 295};
239 296
297
298static struct clk ide_clk = {
299 .name = "ide",
300 .parent = &pll1_sysclk4,
301 .lpsc = DAVINCI_LPSC_ATA,
302};
303
240static struct clk vpif0_clk = { 304static struct clk vpif0_clk = {
241 .name = "vpif0", 305 .name = "vpif0",
242 .parent = &ref_clk, 306 .parent = &ref_clk,
@@ -269,11 +333,18 @@ struct davinci_clk dm646x_clks[] = {
269 CLK(NULL, "pll2_sysclk1", &pll2_sysclk1), 333 CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
270 CLK(NULL, "dsp", &dsp_clk), 334 CLK(NULL, "dsp", &dsp_clk),
271 CLK(NULL, "arm", &arm_clk), 335 CLK(NULL, "arm", &arm_clk),
336 CLK(NULL, "edma_cc", &edma_cc_clk),
337 CLK(NULL, "edma_tc0", &edma_tc0_clk),
338 CLK(NULL, "edma_tc1", &edma_tc1_clk),
339 CLK(NULL, "edma_tc2", &edma_tc2_clk),
340 CLK(NULL, "edma_tc3", &edma_tc3_clk),
272 CLK(NULL, "uart0", &uart0_clk), 341 CLK(NULL, "uart0", &uart0_clk),
273 CLK(NULL, "uart1", &uart1_clk), 342 CLK(NULL, "uart1", &uart1_clk),
274 CLK(NULL, "uart2", &uart2_clk), 343 CLK(NULL, "uart2", &uart2_clk),
275 CLK("i2c_davinci.1", NULL, &i2c_clk), 344 CLK("i2c_davinci.1", NULL, &i2c_clk),
276 CLK(NULL, "gpio", &gpio_clk), 345 CLK(NULL, "gpio", &gpio_clk),
346 CLK("davinci-mcasp.0", NULL, &mcasp0_clk),
347 CLK("davinci-mcasp.1", NULL, &mcasp1_clk),
277 CLK(NULL, "aemif", &aemif_clk), 348 CLK(NULL, "aemif", &aemif_clk),
278 CLK("davinci_emac.1", NULL, &emac_clk), 349 CLK("davinci_emac.1", NULL, &emac_clk),
279 CLK(NULL, "pwm0", &pwm0_clk), 350 CLK(NULL, "pwm0", &pwm0_clk),
@@ -281,6 +352,7 @@ struct davinci_clk dm646x_clks[] = {
281 CLK(NULL, "timer0", &timer0_clk), 352 CLK(NULL, "timer0", &timer0_clk),
282 CLK(NULL, "timer1", &timer1_clk), 353 CLK(NULL, "timer1", &timer1_clk),
283 CLK("watchdog", NULL, &timer2_clk), 354 CLK("watchdog", NULL, &timer2_clk),
355 CLK("palm_bk3710", NULL, &ide_clk),
284 CLK(NULL, "vpif0", &vpif0_clk), 356 CLK(NULL, "vpif0", &vpif0_clk),
285 CLK(NULL, "vpif1", &vpif1_clk), 357 CLK(NULL, "vpif1", &vpif1_clk),
286 CLK(NULL, NULL, NULL), 358 CLK(NULL, NULL, NULL),
@@ -344,7 +416,7 @@ static struct platform_device dm646x_emac_device = {
344 */ 416 */
345static const struct mux_config dm646x_pins[] = { 417static const struct mux_config dm646x_pins[] = {
346#ifdef CONFIG_DAVINCI_MUX 418#ifdef CONFIG_DAVINCI_MUX
347MUX_CFG(DM646X, ATAEN, 0, 0, 1, 1, true) 419MUX_CFG(DM646X, ATAEN, 0, 0, 5, 1, true)
348 420
349MUX_CFG(DM646X, AUDCK1, 0, 29, 1, 0, false) 421MUX_CFG(DM646X, AUDCK1, 0, 29, 1, 0, false)
350 422
@@ -451,17 +523,43 @@ static const s8 dma_chan_dm646x_no_event[] = {
451 -1 523 -1
452}; 524};
453 525
454static struct edma_soc_info dm646x_edma_info = { 526/* Four Transfer Controllers on DM646x */
455 .n_channel = 64, 527static const s8
456 .n_region = 6, /* 0-1, 4-7 */ 528dm646x_queue_tc_mapping[][2] = {
457 .n_slot = 512, 529 /* {event queue no, TC no} */
458 .n_tc = 4, 530 {0, 0},
459 .noevent = dma_chan_dm646x_no_event, 531 {1, 1},
532 {2, 2},
533 {3, 3},
534 {-1, -1},
535};
536
537static const s8
538dm646x_queue_priority_mapping[][2] = {
539 /* {event queue no, Priority} */
540 {0, 4},
541 {1, 0},
542 {2, 5},
543 {3, 1},
544 {-1, -1},
545};
546
547static struct edma_soc_info dm646x_edma_info[] = {
548 {
549 .n_channel = 64,
550 .n_region = 6, /* 0-1, 4-7 */
551 .n_slot = 512,
552 .n_tc = 4,
553 .n_cc = 1,
554 .noevent = dma_chan_dm646x_no_event,
555 .queue_tc_mapping = dm646x_queue_tc_mapping,
556 .queue_priority_mapping = dm646x_queue_priority_mapping,
557 },
460}; 558};
461 559
462static struct resource edma_resources[] = { 560static struct resource edma_resources[] = {
463 { 561 {
464 .name = "edma_cc", 562 .name = "edma_cc0",
465 .start = 0x01c00000, 563 .start = 0x01c00000,
466 .end = 0x01c00000 + SZ_64K - 1, 564 .end = 0x01c00000 + SZ_64K - 1,
467 .flags = IORESOURCE_MEM, 565 .flags = IORESOURCE_MEM,
@@ -491,10 +589,12 @@ static struct resource edma_resources[] = {
491 .flags = IORESOURCE_MEM, 589 .flags = IORESOURCE_MEM,
492 }, 590 },
493 { 591 {
592 .name = "edma0",
494 .start = IRQ_CCINT0, 593 .start = IRQ_CCINT0,
495 .flags = IORESOURCE_IRQ, 594 .flags = IORESOURCE_IRQ,
496 }, 595 },
497 { 596 {
597 .name = "edma0_err",
498 .start = IRQ_CCERRINT, 598 .start = IRQ_CCERRINT,
499 .flags = IORESOURCE_IRQ, 599 .flags = IORESOURCE_IRQ,
500 }, 600 },
@@ -503,12 +603,167 @@ static struct resource edma_resources[] = {
503 603
504static struct platform_device dm646x_edma_device = { 604static struct platform_device dm646x_edma_device = {
505 .name = "edma", 605 .name = "edma",
506 .id = -1, 606 .id = 0,
507 .dev.platform_data = &dm646x_edma_info, 607 .dev.platform_data = dm646x_edma_info,
508 .num_resources = ARRAY_SIZE(edma_resources), 608 .num_resources = ARRAY_SIZE(edma_resources),
509 .resource = edma_resources, 609 .resource = edma_resources,
510}; 610};
511 611
612static struct resource ide_resources[] = {
613 {
614 .start = DM646X_ATA_REG_BASE,
615 .end = DM646X_ATA_REG_BASE + 0x7ff,
616 .flags = IORESOURCE_MEM,
617 },
618 {
619 .start = IRQ_DM646X_IDE,
620 .end = IRQ_DM646X_IDE,
621 .flags = IORESOURCE_IRQ,
622 },
623};
624
625static u64 ide_dma_mask = DMA_BIT_MASK(32);
626
627static struct platform_device ide_dev = {
628 .name = "palm_bk3710",
629 .id = -1,
630 .resource = ide_resources,
631 .num_resources = ARRAY_SIZE(ide_resources),
632 .dev = {
633 .dma_mask = &ide_dma_mask,
634 .coherent_dma_mask = DMA_BIT_MASK(32),
635 },
636};
637
638static struct resource dm646x_mcasp0_resources[] = {
639 {
640 .name = "mcasp0",
641 .start = DAVINCI_DM646X_MCASP0_REG_BASE,
642 .end = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
643 .flags = IORESOURCE_MEM,
644 },
645 /* first TX, then RX */
646 {
647 .start = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
648 .end = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
649 .flags = IORESOURCE_DMA,
650 },
651 {
652 .start = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
653 .end = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
654 .flags = IORESOURCE_DMA,
655 },
656};
657
658static struct resource dm646x_mcasp1_resources[] = {
659 {
660 .name = "mcasp1",
661 .start = DAVINCI_DM646X_MCASP1_REG_BASE,
662 .end = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
663 .flags = IORESOURCE_MEM,
664 },
665 /* DIT mode, only TX event */
666 {
667 .start = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
668 .end = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
669 .flags = IORESOURCE_DMA,
670 },
671 /* DIT mode, dummy entry */
672 {
673 .start = -1,
674 .end = -1,
675 .flags = IORESOURCE_DMA,
676 },
677};
678
679static struct platform_device dm646x_mcasp0_device = {
680 .name = "davinci-mcasp",
681 .id = 0,
682 .num_resources = ARRAY_SIZE(dm646x_mcasp0_resources),
683 .resource = dm646x_mcasp0_resources,
684};
685
686static struct platform_device dm646x_mcasp1_device = {
687 .name = "davinci-mcasp",
688 .id = 1,
689 .num_resources = ARRAY_SIZE(dm646x_mcasp1_resources),
690 .resource = dm646x_mcasp1_resources,
691};
692
693static struct platform_device dm646x_dit_device = {
694 .name = "spdif-dit",
695 .id = -1,
696};
697
698static u64 vpif_dma_mask = DMA_BIT_MASK(32);
699
700static struct resource vpif_resource[] = {
701 {
702 .start = DAVINCI_VPIF_BASE,
703 .end = DAVINCI_VPIF_BASE + 0x03ff,
704 .flags = IORESOURCE_MEM,
705 }
706};
707
708static struct platform_device vpif_dev = {
709 .name = "vpif",
710 .id = -1,
711 .dev = {
712 .dma_mask = &vpif_dma_mask,
713 .coherent_dma_mask = DMA_BIT_MASK(32),
714 },
715 .resource = vpif_resource,
716 .num_resources = ARRAY_SIZE(vpif_resource),
717};
718
719static struct resource vpif_display_resource[] = {
720 {
721 .start = IRQ_DM646X_VP_VERTINT2,
722 .end = IRQ_DM646X_VP_VERTINT2,
723 .flags = IORESOURCE_IRQ,
724 },
725 {
726 .start = IRQ_DM646X_VP_VERTINT3,
727 .end = IRQ_DM646X_VP_VERTINT3,
728 .flags = IORESOURCE_IRQ,
729 },
730};
731
732static struct platform_device vpif_display_dev = {
733 .name = "vpif_display",
734 .id = -1,
735 .dev = {
736 .dma_mask = &vpif_dma_mask,
737 .coherent_dma_mask = DMA_BIT_MASK(32),
738 },
739 .resource = vpif_display_resource,
740 .num_resources = ARRAY_SIZE(vpif_display_resource),
741};
742
743static struct resource vpif_capture_resource[] = {
744 {
745 .start = IRQ_DM646X_VP_VERTINT0,
746 .end = IRQ_DM646X_VP_VERTINT0,
747 .flags = IORESOURCE_IRQ,
748 },
749 {
750 .start = IRQ_DM646X_VP_VERTINT1,
751 .end = IRQ_DM646X_VP_VERTINT1,
752 .flags = IORESOURCE_IRQ,
753 },
754};
755
756static struct platform_device vpif_capture_dev = {
757 .name = "vpif_capture",
758 .id = -1,
759 .dev = {
760 .dma_mask = &vpif_dma_mask,
761 .coherent_dma_mask = DMA_BIT_MASK(32),
762 },
763 .resource = vpif_capture_resource,
764 .num_resources = ARRAY_SIZE(vpif_capture_resource),
765};
766
512/*----------------------------------------------------------------------*/ 767/*----------------------------------------------------------------------*/
513 768
514static struct map_desc dm646x_io_desc[] = { 769static struct map_desc dm646x_io_desc[] = {
@@ -609,7 +864,6 @@ static struct davinci_soc_info davinci_soc_info_dm646x = {
609 .intc_irq_prios = dm646x_default_priorities, 864 .intc_irq_prios = dm646x_default_priorities,
610 .intc_irq_num = DAVINCI_N_AINTC_IRQ, 865 .intc_irq_num = DAVINCI_N_AINTC_IRQ,
611 .timer_info = &dm646x_timer_info, 866 .timer_info = &dm646x_timer_info,
612 .wdt_base = IO_ADDRESS(DAVINCI_WDOG_BASE),
613 .gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE), 867 .gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
614 .gpio_num = 43, /* Only 33 usable */ 868 .gpio_num = 43, /* Only 33 usable */
615 .gpio_irq = IRQ_DM646X_GPIOBNK0, 869 .gpio_irq = IRQ_DM646X_GPIOBNK0,
@@ -619,6 +873,51 @@ static struct davinci_soc_info davinci_soc_info_dm646x = {
619 .sram_len = SZ_32K, 873 .sram_len = SZ_32K,
620}; 874};
621 875
876void __init dm646x_init_ide()
877{
878 davinci_cfg_reg(DM646X_ATAEN);
879 platform_device_register(&ide_dev);
880}
881
882void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
883{
884 dm646x_mcasp0_device.dev.platform_data = pdata;
885 platform_device_register(&dm646x_mcasp0_device);
886}
887
888void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
889{
890 dm646x_mcasp1_device.dev.platform_data = pdata;
891 platform_device_register(&dm646x_mcasp1_device);
892 platform_device_register(&dm646x_dit_device);
893}
894
895void dm646x_setup_vpif(struct vpif_display_config *display_config,
896 struct vpif_capture_config *capture_config)
897{
898 unsigned int value;
899 void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
900
901 value = __raw_readl(base + VSCLKDIS_OFFSET);
902 value &= ~VSCLKDIS_MASK;
903 __raw_writel(value, base + VSCLKDIS_OFFSET);
904
905 value = __raw_readl(base + VDD3P3V_PWDN_OFFSET);
906 value &= ~VDD3P3V_VID_MASK;
907 __raw_writel(value, base + VDD3P3V_PWDN_OFFSET);
908
909 davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
910 davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
911 davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
912 davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
913
914 vpif_display_dev.dev.platform_data = display_config;
915 vpif_capture_dev.dev.platform_data = capture_config;
916 platform_device_register(&vpif_dev);
917 platform_device_register(&vpif_display_dev);
918 platform_device_register(&vpif_capture_dev);
919}
920
622void __init dm646x_init(void) 921void __init dm646x_init(void)
623{ 922{
624 davinci_common_init(&davinci_soc_info_dm646x); 923 davinci_common_init(&davinci_soc_info_dm646x);