ARM: OMAP: Remove smp.h
[linux-2.6.git] / arch / arm / mach-davinci / devices-da8xx.c
blob783eab6845c4ea6d56e0a9575b9e9cb89e5eaf84
1 /*
2 * DA8XX/OMAP L1XX platform device data
4 * Copyright (c) 2007-2009, MontaVista Software, Inc. <source@mvista.com>
5 * Derived from code that was:
6 * Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/dma-mapping.h>
16 #include <linux/serial_8250.h>
17 #include <linux/ahci_platform.h>
18 #include <linux/clk.h>
20 #include <mach/cputype.h>
21 #include <mach/common.h>
22 #include <mach/time.h>
23 #include <mach/da8xx.h>
24 #include <mach/cpuidle.h>
26 #include "clock.h"
28 #define DA8XX_TPCC_BASE 0x01c00000
29 #define DA8XX_TPTC0_BASE 0x01c08000
30 #define DA8XX_TPTC1_BASE 0x01c08400
31 #define DA8XX_WDOG_BASE 0x01c21000 /* DA8XX_TIMER64P1_BASE */
32 #define DA8XX_I2C0_BASE 0x01c22000
33 #define DA8XX_RTC_BASE 0x01c23000
34 #define DA8XX_MMCSD0_BASE 0x01c40000
35 #define DA8XX_SPI0_BASE 0x01c41000
36 #define DA830_SPI1_BASE 0x01e12000
37 #define DA8XX_LCD_CNTRL_BASE 0x01e13000
38 #define DA850_SATA_BASE 0x01e18000
39 #define DA850_MMCSD1_BASE 0x01e1b000
40 #define DA8XX_EMAC_CPPI_PORT_BASE 0x01e20000
41 #define DA8XX_EMAC_CPGMACSS_BASE 0x01e22000
42 #define DA8XX_EMAC_CPGMAC_BASE 0x01e23000
43 #define DA8XX_EMAC_MDIO_BASE 0x01e24000
44 #define DA8XX_I2C1_BASE 0x01e28000
45 #define DA850_TPCC1_BASE 0x01e30000
46 #define DA850_TPTC2_BASE 0x01e38000
47 #define DA850_SPI1_BASE 0x01f0e000
48 #define DA8XX_DDR2_CTL_BASE 0xb0000000
50 #define DA8XX_EMAC_CTRL_REG_OFFSET 0x3000
51 #define DA8XX_EMAC_MOD_REG_OFFSET 0x2000
52 #define DA8XX_EMAC_RAM_OFFSET 0x0000
53 #define DA8XX_EMAC_CTRL_RAM_SIZE SZ_8K
55 #define DA8XX_DMA_SPI0_RX EDMA_CTLR_CHAN(0, 14)
56 #define DA8XX_DMA_SPI0_TX EDMA_CTLR_CHAN(0, 15)
57 #define DA8XX_DMA_MMCSD0_RX EDMA_CTLR_CHAN(0, 16)
58 #define DA8XX_DMA_MMCSD0_TX EDMA_CTLR_CHAN(0, 17)
59 #define DA8XX_DMA_SPI1_RX EDMA_CTLR_CHAN(0, 18)
60 #define DA8XX_DMA_SPI1_TX EDMA_CTLR_CHAN(0, 19)
61 #define DA850_DMA_MMCSD1_RX EDMA_CTLR_CHAN(1, 28)
62 #define DA850_DMA_MMCSD1_TX EDMA_CTLR_CHAN(1, 29)
64 void __iomem *da8xx_syscfg0_base;
65 void __iomem *da8xx_syscfg1_base;
67 static struct plat_serial8250_port da8xx_serial_pdata[] = {
69 .mapbase = DA8XX_UART0_BASE,
70 .irq = IRQ_DA8XX_UARTINT0,
71 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
72 UPF_IOREMAP,
73 .iotype = UPIO_MEM,
74 .regshift = 2,
77 .mapbase = DA8XX_UART1_BASE,
78 .irq = IRQ_DA8XX_UARTINT1,
79 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
80 UPF_IOREMAP,
81 .iotype = UPIO_MEM,
82 .regshift = 2,
85 .mapbase = DA8XX_UART2_BASE,
86 .irq = IRQ_DA8XX_UARTINT2,
87 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
88 UPF_IOREMAP,
89 .iotype = UPIO_MEM,
90 .regshift = 2,
93 .flags = 0,
97 struct platform_device da8xx_serial_device = {
98 .name = "serial8250",
99 .id = PLAT8250_DEV_PLATFORM,
100 .dev = {
101 .platform_data = da8xx_serial_pdata,
105 static const s8 da8xx_queue_tc_mapping[][2] = {
106 /* {event queue no, TC no} */
107 {0, 0},
108 {1, 1},
109 {-1, -1}
112 static const s8 da8xx_queue_priority_mapping[][2] = {
113 /* {event queue no, Priority} */
114 {0, 3},
115 {1, 7},
116 {-1, -1}
119 static const s8 da850_queue_tc_mapping[][2] = {
120 /* {event queue no, TC no} */
121 {0, 0},
122 {-1, -1}
125 static const s8 da850_queue_priority_mapping[][2] = {
126 /* {event queue no, Priority} */
127 {0, 3},
128 {-1, -1}
131 static struct edma_soc_info da830_edma_cc0_info = {
132 .n_channel = 32,
133 .n_region = 4,
134 .n_slot = 128,
135 .n_tc = 2,
136 .n_cc = 1,
137 .queue_tc_mapping = da8xx_queue_tc_mapping,
138 .queue_priority_mapping = da8xx_queue_priority_mapping,
139 .default_queue = EVENTQ_1,
142 static struct edma_soc_info *da830_edma_info[EDMA_MAX_CC] = {
143 &da830_edma_cc0_info,
146 static struct edma_soc_info da850_edma_cc_info[] = {
148 .n_channel = 32,
149 .n_region = 4,
150 .n_slot = 128,
151 .n_tc = 2,
152 .n_cc = 1,
153 .queue_tc_mapping = da8xx_queue_tc_mapping,
154 .queue_priority_mapping = da8xx_queue_priority_mapping,
155 .default_queue = EVENTQ_1,
158 .n_channel = 32,
159 .n_region = 4,
160 .n_slot = 128,
161 .n_tc = 1,
162 .n_cc = 1,
163 .queue_tc_mapping = da850_queue_tc_mapping,
164 .queue_priority_mapping = da850_queue_priority_mapping,
165 .default_queue = EVENTQ_0,
169 static struct edma_soc_info *da850_edma_info[EDMA_MAX_CC] = {
170 &da850_edma_cc_info[0],
171 &da850_edma_cc_info[1],
174 static struct resource da830_edma_resources[] = {
176 .name = "edma_cc0",
177 .start = DA8XX_TPCC_BASE,
178 .end = DA8XX_TPCC_BASE + SZ_32K - 1,
179 .flags = IORESOURCE_MEM,
182 .name = "edma_tc0",
183 .start = DA8XX_TPTC0_BASE,
184 .end = DA8XX_TPTC0_BASE + SZ_1K - 1,
185 .flags = IORESOURCE_MEM,
188 .name = "edma_tc1",
189 .start = DA8XX_TPTC1_BASE,
190 .end = DA8XX_TPTC1_BASE + SZ_1K - 1,
191 .flags = IORESOURCE_MEM,
194 .name = "edma0",
195 .start = IRQ_DA8XX_CCINT0,
196 .flags = IORESOURCE_IRQ,
199 .name = "edma0_err",
200 .start = IRQ_DA8XX_CCERRINT,
201 .flags = IORESOURCE_IRQ,
205 static struct resource da850_edma_resources[] = {
207 .name = "edma_cc0",
208 .start = DA8XX_TPCC_BASE,
209 .end = DA8XX_TPCC_BASE + SZ_32K - 1,
210 .flags = IORESOURCE_MEM,
213 .name = "edma_tc0",
214 .start = DA8XX_TPTC0_BASE,
215 .end = DA8XX_TPTC0_BASE + SZ_1K - 1,
216 .flags = IORESOURCE_MEM,
219 .name = "edma_tc1",
220 .start = DA8XX_TPTC1_BASE,
221 .end = DA8XX_TPTC1_BASE + SZ_1K - 1,
222 .flags = IORESOURCE_MEM,
225 .name = "edma_cc1",
226 .start = DA850_TPCC1_BASE,
227 .end = DA850_TPCC1_BASE + SZ_32K - 1,
228 .flags = IORESOURCE_MEM,
231 .name = "edma_tc2",
232 .start = DA850_TPTC2_BASE,
233 .end = DA850_TPTC2_BASE + SZ_1K - 1,
234 .flags = IORESOURCE_MEM,
237 .name = "edma0",
238 .start = IRQ_DA8XX_CCINT0,
239 .flags = IORESOURCE_IRQ,
242 .name = "edma0_err",
243 .start = IRQ_DA8XX_CCERRINT,
244 .flags = IORESOURCE_IRQ,
247 .name = "edma1",
248 .start = IRQ_DA850_CCINT1,
249 .flags = IORESOURCE_IRQ,
252 .name = "edma1_err",
253 .start = IRQ_DA850_CCERRINT1,
254 .flags = IORESOURCE_IRQ,
258 static struct platform_device da830_edma_device = {
259 .name = "edma",
260 .id = -1,
261 .dev = {
262 .platform_data = da830_edma_info,
264 .num_resources = ARRAY_SIZE(da830_edma_resources),
265 .resource = da830_edma_resources,
268 static struct platform_device da850_edma_device = {
269 .name = "edma",
270 .id = -1,
271 .dev = {
272 .platform_data = da850_edma_info,
274 .num_resources = ARRAY_SIZE(da850_edma_resources),
275 .resource = da850_edma_resources,
278 int __init da830_register_edma(struct edma_rsv_info *rsv)
280 da830_edma_cc0_info.rsv = rsv;
282 return platform_device_register(&da830_edma_device);
285 int __init da850_register_edma(struct edma_rsv_info *rsv[2])
287 if (rsv) {
288 da850_edma_cc_info[0].rsv = rsv[0];
289 da850_edma_cc_info[1].rsv = rsv[1];
292 return platform_device_register(&da850_edma_device);
295 static struct resource da8xx_i2c_resources0[] = {
297 .start = DA8XX_I2C0_BASE,
298 .end = DA8XX_I2C0_BASE + SZ_4K - 1,
299 .flags = IORESOURCE_MEM,
302 .start = IRQ_DA8XX_I2CINT0,
303 .end = IRQ_DA8XX_I2CINT0,
304 .flags = IORESOURCE_IRQ,
308 static struct platform_device da8xx_i2c_device0 = {
309 .name = "i2c_davinci",
310 .id = 1,
311 .num_resources = ARRAY_SIZE(da8xx_i2c_resources0),
312 .resource = da8xx_i2c_resources0,
315 static struct resource da8xx_i2c_resources1[] = {
317 .start = DA8XX_I2C1_BASE,
318 .end = DA8XX_I2C1_BASE + SZ_4K - 1,
319 .flags = IORESOURCE_MEM,
322 .start = IRQ_DA8XX_I2CINT1,
323 .end = IRQ_DA8XX_I2CINT1,
324 .flags = IORESOURCE_IRQ,
328 static struct platform_device da8xx_i2c_device1 = {
329 .name = "i2c_davinci",
330 .id = 2,
331 .num_resources = ARRAY_SIZE(da8xx_i2c_resources1),
332 .resource = da8xx_i2c_resources1,
335 int __init da8xx_register_i2c(int instance,
336 struct davinci_i2c_platform_data *pdata)
338 struct platform_device *pdev;
340 if (instance == 0)
341 pdev = &da8xx_i2c_device0;
342 else if (instance == 1)
343 pdev = &da8xx_i2c_device1;
344 else
345 return -EINVAL;
347 pdev->dev.platform_data = pdata;
348 return platform_device_register(pdev);
351 static struct resource da8xx_watchdog_resources[] = {
353 .start = DA8XX_WDOG_BASE,
354 .end = DA8XX_WDOG_BASE + SZ_4K - 1,
355 .flags = IORESOURCE_MEM,
359 struct platform_device da8xx_wdt_device = {
360 .name = "watchdog",
361 .id = -1,
362 .num_resources = ARRAY_SIZE(da8xx_watchdog_resources),
363 .resource = da8xx_watchdog_resources,
366 void da8xx_restart(char mode, const char *cmd)
368 davinci_watchdog_reset(&da8xx_wdt_device);
371 int __init da8xx_register_watchdog(void)
373 return platform_device_register(&da8xx_wdt_device);
376 static struct resource da8xx_emac_resources[] = {
378 .start = DA8XX_EMAC_CPPI_PORT_BASE,
379 .end = DA8XX_EMAC_CPPI_PORT_BASE + SZ_16K - 1,
380 .flags = IORESOURCE_MEM,
383 .start = IRQ_DA8XX_C0_RX_THRESH_PULSE,
384 .end = IRQ_DA8XX_C0_RX_THRESH_PULSE,
385 .flags = IORESOURCE_IRQ,
388 .start = IRQ_DA8XX_C0_RX_PULSE,
389 .end = IRQ_DA8XX_C0_RX_PULSE,
390 .flags = IORESOURCE_IRQ,
393 .start = IRQ_DA8XX_C0_TX_PULSE,
394 .end = IRQ_DA8XX_C0_TX_PULSE,
395 .flags = IORESOURCE_IRQ,
398 .start = IRQ_DA8XX_C0_MISC_PULSE,
399 .end = IRQ_DA8XX_C0_MISC_PULSE,
400 .flags = IORESOURCE_IRQ,
404 struct emac_platform_data da8xx_emac_pdata = {
405 .ctrl_reg_offset = DA8XX_EMAC_CTRL_REG_OFFSET,
406 .ctrl_mod_reg_offset = DA8XX_EMAC_MOD_REG_OFFSET,
407 .ctrl_ram_offset = DA8XX_EMAC_RAM_OFFSET,
408 .ctrl_ram_size = DA8XX_EMAC_CTRL_RAM_SIZE,
409 .version = EMAC_VERSION_2,
412 static struct platform_device da8xx_emac_device = {
413 .name = "davinci_emac",
414 .id = 1,
415 .dev = {
416 .platform_data = &da8xx_emac_pdata,
418 .num_resources = ARRAY_SIZE(da8xx_emac_resources),
419 .resource = da8xx_emac_resources,
422 static struct resource da8xx_mdio_resources[] = {
424 .start = DA8XX_EMAC_MDIO_BASE,
425 .end = DA8XX_EMAC_MDIO_BASE + SZ_4K - 1,
426 .flags = IORESOURCE_MEM,
430 static struct platform_device da8xx_mdio_device = {
431 .name = "davinci_mdio",
432 .id = 0,
433 .num_resources = ARRAY_SIZE(da8xx_mdio_resources),
434 .resource = da8xx_mdio_resources,
437 int __init da8xx_register_emac(void)
439 int ret;
441 ret = platform_device_register(&da8xx_mdio_device);
442 if (ret < 0)
443 return ret;
444 ret = platform_device_register(&da8xx_emac_device);
445 if (ret < 0)
446 return ret;
447 ret = clk_add_alias(NULL, dev_name(&da8xx_mdio_device.dev),
448 NULL, &da8xx_emac_device.dev);
449 return ret;
452 static struct resource da830_mcasp1_resources[] = {
454 .name = "mcasp1",
455 .start = DAVINCI_DA830_MCASP1_REG_BASE,
456 .end = DAVINCI_DA830_MCASP1_REG_BASE + (SZ_1K * 12) - 1,
457 .flags = IORESOURCE_MEM,
459 /* TX event */
461 .start = DAVINCI_DA830_DMA_MCASP1_AXEVT,
462 .end = DAVINCI_DA830_DMA_MCASP1_AXEVT,
463 .flags = IORESOURCE_DMA,
465 /* RX event */
467 .start = DAVINCI_DA830_DMA_MCASP1_AREVT,
468 .end = DAVINCI_DA830_DMA_MCASP1_AREVT,
469 .flags = IORESOURCE_DMA,
473 static struct platform_device da830_mcasp1_device = {
474 .name = "davinci-mcasp",
475 .id = 1,
476 .num_resources = ARRAY_SIZE(da830_mcasp1_resources),
477 .resource = da830_mcasp1_resources,
480 static struct resource da850_mcasp_resources[] = {
482 .name = "mcasp",
483 .start = DAVINCI_DA8XX_MCASP0_REG_BASE,
484 .end = DAVINCI_DA8XX_MCASP0_REG_BASE + (SZ_1K * 12) - 1,
485 .flags = IORESOURCE_MEM,
487 /* TX event */
489 .start = DAVINCI_DA8XX_DMA_MCASP0_AXEVT,
490 .end = DAVINCI_DA8XX_DMA_MCASP0_AXEVT,
491 .flags = IORESOURCE_DMA,
493 /* RX event */
495 .start = DAVINCI_DA8XX_DMA_MCASP0_AREVT,
496 .end = DAVINCI_DA8XX_DMA_MCASP0_AREVT,
497 .flags = IORESOURCE_DMA,
501 static struct platform_device da850_mcasp_device = {
502 .name = "davinci-mcasp",
503 .id = 0,
504 .num_resources = ARRAY_SIZE(da850_mcasp_resources),
505 .resource = da850_mcasp_resources,
508 static struct platform_device davinci_pcm_device = {
509 .name = "davinci-pcm-audio",
510 .id = -1,
513 void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata)
515 platform_device_register(&davinci_pcm_device);
517 /* DA830/OMAP-L137 has 3 instances of McASP */
518 if (cpu_is_davinci_da830() && id == 1) {
519 da830_mcasp1_device.dev.platform_data = pdata;
520 platform_device_register(&da830_mcasp1_device);
521 } else if (cpu_is_davinci_da850()) {
522 da850_mcasp_device.dev.platform_data = pdata;
523 platform_device_register(&da850_mcasp_device);
527 static const struct display_panel disp_panel = {
528 QVGA,
531 COLOR_ACTIVE,
534 static struct lcd_ctrl_config lcd_cfg = {
535 &disp_panel,
536 .ac_bias = 255,
537 .ac_bias_intrpt = 0,
538 .dma_burst_sz = 16,
539 .bpp = 16,
540 .fdd = 255,
541 .tft_alt_mode = 0,
542 .stn_565_mode = 0,
543 .mono_8bit_mode = 0,
544 .invert_line_clock = 1,
545 .invert_frm_clock = 1,
546 .sync_edge = 0,
547 .sync_ctrl = 1,
548 .raster_order = 0,
549 .fifo_th = 6,
552 struct da8xx_lcdc_platform_data sharp_lcd035q3dg01_pdata = {
553 .manu_name = "sharp",
554 .controller_data = &lcd_cfg,
555 .type = "Sharp_LCD035Q3DG01",
558 struct da8xx_lcdc_platform_data sharp_lk043t1dg01_pdata = {
559 .manu_name = "sharp",
560 .controller_data = &lcd_cfg,
561 .type = "Sharp_LK043T1DG01",
564 static struct resource da8xx_lcdc_resources[] = {
565 [0] = { /* registers */
566 .start = DA8XX_LCD_CNTRL_BASE,
567 .end = DA8XX_LCD_CNTRL_BASE + SZ_4K - 1,
568 .flags = IORESOURCE_MEM,
570 [1] = { /* interrupt */
571 .start = IRQ_DA8XX_LCDINT,
572 .end = IRQ_DA8XX_LCDINT,
573 .flags = IORESOURCE_IRQ,
577 static struct platform_device da8xx_lcdc_device = {
578 .name = "da8xx_lcdc",
579 .id = 0,
580 .num_resources = ARRAY_SIZE(da8xx_lcdc_resources),
581 .resource = da8xx_lcdc_resources,
584 int __init da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata)
586 da8xx_lcdc_device.dev.platform_data = pdata;
587 return platform_device_register(&da8xx_lcdc_device);
590 static struct resource da8xx_mmcsd0_resources[] = {
591 { /* registers */
592 .start = DA8XX_MMCSD0_BASE,
593 .end = DA8XX_MMCSD0_BASE + SZ_4K - 1,
594 .flags = IORESOURCE_MEM,
596 { /* interrupt */
597 .start = IRQ_DA8XX_MMCSDINT0,
598 .end = IRQ_DA8XX_MMCSDINT0,
599 .flags = IORESOURCE_IRQ,
601 { /* DMA RX */
602 .start = DA8XX_DMA_MMCSD0_RX,
603 .end = DA8XX_DMA_MMCSD0_RX,
604 .flags = IORESOURCE_DMA,
606 { /* DMA TX */
607 .start = DA8XX_DMA_MMCSD0_TX,
608 .end = DA8XX_DMA_MMCSD0_TX,
609 .flags = IORESOURCE_DMA,
613 static struct platform_device da8xx_mmcsd0_device = {
614 .name = "davinci_mmc",
615 .id = 0,
616 .num_resources = ARRAY_SIZE(da8xx_mmcsd0_resources),
617 .resource = da8xx_mmcsd0_resources,
620 int __init da8xx_register_mmcsd0(struct davinci_mmc_config *config)
622 da8xx_mmcsd0_device.dev.platform_data = config;
623 return platform_device_register(&da8xx_mmcsd0_device);
626 #ifdef CONFIG_ARCH_DAVINCI_DA850
627 static struct resource da850_mmcsd1_resources[] = {
628 { /* registers */
629 .start = DA850_MMCSD1_BASE,
630 .end = DA850_MMCSD1_BASE + SZ_4K - 1,
631 .flags = IORESOURCE_MEM,
633 { /* interrupt */
634 .start = IRQ_DA850_MMCSDINT0_1,
635 .end = IRQ_DA850_MMCSDINT0_1,
636 .flags = IORESOURCE_IRQ,
638 { /* DMA RX */
639 .start = DA850_DMA_MMCSD1_RX,
640 .end = DA850_DMA_MMCSD1_RX,
641 .flags = IORESOURCE_DMA,
643 { /* DMA TX */
644 .start = DA850_DMA_MMCSD1_TX,
645 .end = DA850_DMA_MMCSD1_TX,
646 .flags = IORESOURCE_DMA,
650 static struct platform_device da850_mmcsd1_device = {
651 .name = "davinci_mmc",
652 .id = 1,
653 .num_resources = ARRAY_SIZE(da850_mmcsd1_resources),
654 .resource = da850_mmcsd1_resources,
657 int __init da850_register_mmcsd1(struct davinci_mmc_config *config)
659 da850_mmcsd1_device.dev.platform_data = config;
660 return platform_device_register(&da850_mmcsd1_device);
662 #endif
664 static struct resource da8xx_rtc_resources[] = {
666 .start = DA8XX_RTC_BASE,
667 .end = DA8XX_RTC_BASE + SZ_4K - 1,
668 .flags = IORESOURCE_MEM,
670 { /* timer irq */
671 .start = IRQ_DA8XX_RTC,
672 .end = IRQ_DA8XX_RTC,
673 .flags = IORESOURCE_IRQ,
675 { /* alarm irq */
676 .start = IRQ_DA8XX_RTC,
677 .end = IRQ_DA8XX_RTC,
678 .flags = IORESOURCE_IRQ,
682 static struct platform_device da8xx_rtc_device = {
683 .name = "omap_rtc",
684 .id = -1,
685 .num_resources = ARRAY_SIZE(da8xx_rtc_resources),
686 .resource = da8xx_rtc_resources,
689 int da8xx_register_rtc(void)
691 int ret;
692 void __iomem *base;
694 base = ioremap(DA8XX_RTC_BASE, SZ_4K);
695 if (WARN_ON(!base))
696 return -ENOMEM;
698 /* Unlock the rtc's registers */
699 __raw_writel(0x83e70b13, base + 0x6c);
700 __raw_writel(0x95a4f1e0, base + 0x70);
702 iounmap(base);
704 ret = platform_device_register(&da8xx_rtc_device);
705 if (!ret)
706 /* Atleast on DA850, RTC is a wakeup source */
707 device_init_wakeup(&da8xx_rtc_device.dev, true);
709 return ret;
712 static void __iomem *da8xx_ddr2_ctlr_base;
713 void __iomem * __init da8xx_get_mem_ctlr(void)
715 if (da8xx_ddr2_ctlr_base)
716 return da8xx_ddr2_ctlr_base;
718 da8xx_ddr2_ctlr_base = ioremap(DA8XX_DDR2_CTL_BASE, SZ_32K);
719 if (!da8xx_ddr2_ctlr_base)
720 pr_warning("%s: Unable to map DDR2 controller", __func__);
722 return da8xx_ddr2_ctlr_base;
725 static struct resource da8xx_cpuidle_resources[] = {
727 .start = DA8XX_DDR2_CTL_BASE,
728 .end = DA8XX_DDR2_CTL_BASE + SZ_32K - 1,
729 .flags = IORESOURCE_MEM,
733 /* DA8XX devices support DDR2 power down */
734 static struct davinci_cpuidle_config da8xx_cpuidle_pdata = {
735 .ddr2_pdown = 1,
739 static struct platform_device da8xx_cpuidle_device = {
740 .name = "cpuidle-davinci",
741 .num_resources = ARRAY_SIZE(da8xx_cpuidle_resources),
742 .resource = da8xx_cpuidle_resources,
743 .dev = {
744 .platform_data = &da8xx_cpuidle_pdata,
748 int __init da8xx_register_cpuidle(void)
750 da8xx_cpuidle_pdata.ddr2_ctlr_base = da8xx_get_mem_ctlr();
752 return platform_device_register(&da8xx_cpuidle_device);
755 static struct resource da8xx_spi0_resources[] = {
756 [0] = {
757 .start = DA8XX_SPI0_BASE,
758 .end = DA8XX_SPI0_BASE + SZ_4K - 1,
759 .flags = IORESOURCE_MEM,
761 [1] = {
762 .start = IRQ_DA8XX_SPINT0,
763 .end = IRQ_DA8XX_SPINT0,
764 .flags = IORESOURCE_IRQ,
766 [2] = {
767 .start = DA8XX_DMA_SPI0_RX,
768 .end = DA8XX_DMA_SPI0_RX,
769 .flags = IORESOURCE_DMA,
771 [3] = {
772 .start = DA8XX_DMA_SPI0_TX,
773 .end = DA8XX_DMA_SPI0_TX,
774 .flags = IORESOURCE_DMA,
778 static struct resource da8xx_spi1_resources[] = {
779 [0] = {
780 .start = DA830_SPI1_BASE,
781 .end = DA830_SPI1_BASE + SZ_4K - 1,
782 .flags = IORESOURCE_MEM,
784 [1] = {
785 .start = IRQ_DA8XX_SPINT1,
786 .end = IRQ_DA8XX_SPINT1,
787 .flags = IORESOURCE_IRQ,
789 [2] = {
790 .start = DA8XX_DMA_SPI1_RX,
791 .end = DA8XX_DMA_SPI1_RX,
792 .flags = IORESOURCE_DMA,
794 [3] = {
795 .start = DA8XX_DMA_SPI1_TX,
796 .end = DA8XX_DMA_SPI1_TX,
797 .flags = IORESOURCE_DMA,
801 struct davinci_spi_platform_data da8xx_spi_pdata[] = {
802 [0] = {
803 .version = SPI_VERSION_2,
804 .intr_line = 1,
805 .dma_event_q = EVENTQ_0,
807 [1] = {
808 .version = SPI_VERSION_2,
809 .intr_line = 1,
810 .dma_event_q = EVENTQ_0,
814 static struct platform_device da8xx_spi_device[] = {
815 [0] = {
816 .name = "spi_davinci",
817 .id = 0,
818 .num_resources = ARRAY_SIZE(da8xx_spi0_resources),
819 .resource = da8xx_spi0_resources,
820 .dev = {
821 .platform_data = &da8xx_spi_pdata[0],
824 [1] = {
825 .name = "spi_davinci",
826 .id = 1,
827 .num_resources = ARRAY_SIZE(da8xx_spi1_resources),
828 .resource = da8xx_spi1_resources,
829 .dev = {
830 .platform_data = &da8xx_spi_pdata[1],
835 int __init da8xx_register_spi(int instance, const struct spi_board_info *info,
836 unsigned len)
838 int ret;
840 if (instance < 0 || instance > 1)
841 return -EINVAL;
843 ret = spi_register_board_info(info, len);
844 if (ret)
845 pr_warning("%s: failed to register board info for spi %d :"
846 " %d\n", __func__, instance, ret);
848 da8xx_spi_pdata[instance].num_chipselect = len;
850 if (instance == 1 && cpu_is_davinci_da850()) {
851 da8xx_spi1_resources[0].start = DA850_SPI1_BASE;
852 da8xx_spi1_resources[0].end = DA850_SPI1_BASE + SZ_4K - 1;
855 return platform_device_register(&da8xx_spi_device[instance]);
858 #ifdef CONFIG_ARCH_DAVINCI_DA850
860 static struct resource da850_sata_resources[] = {
862 .start = DA850_SATA_BASE,
863 .end = DA850_SATA_BASE + 0x1fff,
864 .flags = IORESOURCE_MEM,
867 .start = IRQ_DA850_SATAINT,
868 .flags = IORESOURCE_IRQ,
872 /* SATA PHY Control Register offset from AHCI base */
873 #define SATA_P0PHYCR_REG 0x178
875 #define SATA_PHY_MPY(x) ((x) << 0)
876 #define SATA_PHY_LOS(x) ((x) << 6)
877 #define SATA_PHY_RXCDR(x) ((x) << 10)
878 #define SATA_PHY_RXEQ(x) ((x) << 13)
879 #define SATA_PHY_TXSWING(x) ((x) << 19)
880 #define SATA_PHY_ENPLL(x) ((x) << 31)
882 static struct clk *da850_sata_clk;
883 static unsigned long da850_sata_refclkpn;
885 /* Supported DA850 SATA crystal frequencies */
886 #define KHZ_TO_HZ(freq) ((freq) * 1000)
887 static unsigned long da850_sata_xtal[] = {
888 KHZ_TO_HZ(300000),
889 KHZ_TO_HZ(250000),
890 0, /* Reserved */
891 KHZ_TO_HZ(187500),
892 KHZ_TO_HZ(150000),
893 KHZ_TO_HZ(125000),
894 KHZ_TO_HZ(120000),
895 KHZ_TO_HZ(100000),
896 KHZ_TO_HZ(75000),
897 KHZ_TO_HZ(60000),
900 static int da850_sata_init(struct device *dev, void __iomem *addr)
902 int i, ret;
903 unsigned int val;
905 da850_sata_clk = clk_get(dev, NULL);
906 if (IS_ERR(da850_sata_clk))
907 return PTR_ERR(da850_sata_clk);
909 ret = clk_enable(da850_sata_clk);
910 if (ret)
911 goto err0;
913 /* Enable SATA clock receiver */
914 val = __raw_readl(DA8XX_SYSCFG1_VIRT(DA8XX_PWRDN_REG));
915 val &= ~BIT(0);
916 __raw_writel(val, DA8XX_SYSCFG1_VIRT(DA8XX_PWRDN_REG));
918 /* Get the multiplier needed for 1.5GHz PLL output */
919 for (i = 0; i < ARRAY_SIZE(da850_sata_xtal); i++)
920 if (da850_sata_xtal[i] == da850_sata_refclkpn)
921 break;
923 if (i == ARRAY_SIZE(da850_sata_xtal)) {
924 ret = -EINVAL;
925 goto err1;
928 val = SATA_PHY_MPY(i + 1) |
929 SATA_PHY_LOS(1) |
930 SATA_PHY_RXCDR(4) |
931 SATA_PHY_RXEQ(1) |
932 SATA_PHY_TXSWING(3) |
933 SATA_PHY_ENPLL(1);
935 __raw_writel(val, addr + SATA_P0PHYCR_REG);
937 return 0;
939 err1:
940 clk_disable(da850_sata_clk);
941 err0:
942 clk_put(da850_sata_clk);
943 return ret;
946 static void da850_sata_exit(struct device *dev)
948 clk_disable(da850_sata_clk);
949 clk_put(da850_sata_clk);
952 static struct ahci_platform_data da850_sata_pdata = {
953 .init = da850_sata_init,
954 .exit = da850_sata_exit,
957 static u64 da850_sata_dmamask = DMA_BIT_MASK(32);
959 static struct platform_device da850_sata_device = {
960 .name = "ahci",
961 .id = -1,
962 .dev = {
963 .platform_data = &da850_sata_pdata,
964 .dma_mask = &da850_sata_dmamask,
965 .coherent_dma_mask = DMA_BIT_MASK(32),
967 .num_resources = ARRAY_SIZE(da850_sata_resources),
968 .resource = da850_sata_resources,
971 int __init da850_register_sata(unsigned long refclkpn)
973 da850_sata_refclkpn = refclkpn;
974 if (!da850_sata_refclkpn)
975 return -EINVAL;
977 return platform_device_register(&da850_sata_device);
979 #endif