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1/*
2 * armadillo 800 eva board support
3 *
4 * Copyright (C) 2012 Renesas Solutions Corp.
5 * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 *
20 */
21
22#include <linux/clk.h>
23#include <linux/delay.h>
24#include <linux/err.h>
25#include <linux/kernel.h>
26#include <linux/input.h>
27#include <linux/irq.h>
28#include <linux/platform_device.h>
29#include <linux/gpio.h>
30#include <linux/gpio_keys.h>
31#include <linux/sh_eth.h>
32#include <linux/videodev2.h>
33#include <linux/usb/renesas_usbhs.h>
34#include <linux/mfd/tmio.h>
35#include <linux/mmc/host.h>
36#include <linux/mmc/sh_mmcif.h>
37#include <linux/mmc/sh_mobile_sdhi.h>
38#include <mach/common.h>
39#include <mach/irqs.h>
40#include <asm/page.h>
41#include <asm/mach-types.h>
42#include <asm/mach/arch.h>
43#include <asm/mach/map.h>
44#include <asm/mach/time.h>
45#include <asm/hardware/cache-l2x0.h>
46#include <mach/r8a7740.h>
47#include <video/sh_mobile_lcdc.h>
48
49/*
50 * CON1 Camera Module
51 * CON2 Extension Bus
52 * CON3 HDMI Output
53 * CON4 Composite Video Output
54 * CON5 H-UDI JTAG
55 * CON6 ARM JTAG
56 * CON7 SD1
57 * CON8 SD2
58 * CON9 RTC BackUp
59 * CON10 Monaural Mic Input
60 * CON11 Stereo Headphone Output
61 * CON12 Audio Line Output(L)
62 * CON13 Audio Line Output(R)
63 * CON14 AWL13 Module
64 * CON15 Extension
65 * CON16 LCD1
66 * CON17 LCD2
67 * CON19 Power Input
68 * CON20 USB1
69 * CON21 USB2
70 * CON22 Serial
71 * CON23 LAN
72 * CON24 USB3
73 * LED1 Camera LED(Yellow)
74 * LED2 Power LED (Green)
75 * ED3-LED6 User LED(Yellow)
76 * LED7 LAN link LED(Green)
77 * LED8 LAN activity LED(Yellow)
78 */
79
80/*
81 * DipSwitch
82 *
83 * SW1
84 *
85 * -12345678-+---------------+----------------------------
86 * 1 | boot | hermit
87 * 0 | boot | OS auto boot
88 * -12345678-+---------------+----------------------------
89 * 00 | boot device | eMMC
90 * 10 | boot device | SDHI0 (CON7)
91 * 01 | boot device | -
92 * 11 | boot device | Extension Buss (CS0)
93 * -12345678-+---------------+----------------------------
94 * 0 | Extension Bus | D8-D15 disable, eMMC enable
95 * 1 | Extension Bus | D8-D15 enable, eMMC disable
96 * -12345678-+---------------+----------------------------
97 * 0 | SDHI1 | COM8 disable, COM14 enable
98 * 1 | SDHI1 | COM8 enable, COM14 disable
99 * -12345678-+---------------+----------------------------
100 * 0 | USB0 | COM20 enable, COM24 disable
101 * 1 | USB0 | COM20 disable, COM24 enable
102 * -12345678-+---------------+----------------------------
103 * 00 | JTAG | SH-X2
104 * 10 | JTAG | ARM
105 * 01 | JTAG | -
106 * 11 | JTAG | Boundary Scan
107 *-----------+---------------+----------------------------
108 */
109
110/*
111 * USB function
112 *
113 * When you use USB Function,
114 * set SW1.6 ON, and connect cable to CN24.
115 *
116 * USBF needs workaround on R8A7740 chip.
117 * These are a little bit complex.
118 * see
119 * usbhsf_power_ctrl()
120 *
121 * CAUTION
122 *
123 * It uses autonomy mode for USB hotplug at this point
124 * (= usbhs_private.platform_callback.get_vbus is NULL),
125 * since we don't know what's happen on PM control
126 * on this workaround.
127 */
128#define USBCR1 0xe605810a
129#define USBH 0xC6700000
130#define USBH_USBCTR 0x10834
131
132struct usbhsf_private {
133 struct clk *phy;
134 struct clk *usb24;
135 struct clk *pci;
136 struct clk *func;
137 struct clk *host;
138 void __iomem *usbh_base;
139 struct renesas_usbhs_platform_info info;
140};
141
142#define usbhsf_get_priv(pdev) \
143 container_of(renesas_usbhs_get_info(pdev), \
144 struct usbhsf_private, info)
145
146static int usbhsf_get_id(struct platform_device *pdev)
147{
148 return USBHS_GADGET;
149}
150
151static void usbhsf_power_ctrl(struct platform_device *pdev,
152 void __iomem *base, int enable)
153{
154 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
155
156 /*
157 * Work around for USB Function.
158 * It needs USB host clock, and settings
159 */
160 if (enable) {
161 /*
162 * enable all the related usb clocks
163 * for usb workaround
164 */
165 clk_enable(priv->usb24);
166 clk_enable(priv->pci);
167 clk_enable(priv->host);
168 clk_enable(priv->func);
169 clk_enable(priv->phy);
170
171 /*
172 * set USBCR1
173 *
174 * Port1 is driven by USB function,
175 * Port2 is driven by USB HOST
176 * One HOST (Port1 or Port2 is HOST)
177 * USB PLL input clock = 24MHz
178 */
179 __raw_writew(0xd750, USBCR1);
180 mdelay(1);
181
182 /*
183 * start USB Host
184 */
185 __raw_writel(0x0000000c, priv->usbh_base + USBH_USBCTR);
186 __raw_writel(0x00000008, priv->usbh_base + USBH_USBCTR);
187 mdelay(10);
188
189 /*
190 * USB PHY Power ON
191 */
192 __raw_writew(0xd770, USBCR1);
193 __raw_writew(0x4000, base + 0x102); /* USBF :: SUSPMODE */
194
195 } else {
196 __raw_writel(0x0000010f, priv->usbh_base + USBH_USBCTR);
197 __raw_writew(0xd7c0, USBCR1); /* GPIO */
198
199 clk_disable(priv->phy);
200 clk_disable(priv->func); /* usb work around */
201 clk_disable(priv->host); /* usb work around */
202 clk_disable(priv->pci); /* usb work around */
203 clk_disable(priv->usb24); /* usb work around */
204 }
205}
206
207static void usbhsf_hardware_exit(struct platform_device *pdev)
208{
209 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
210
211 if (!IS_ERR(priv->phy))
212 clk_put(priv->phy);
213 if (!IS_ERR(priv->usb24))
214 clk_put(priv->usb24);
215 if (!IS_ERR(priv->pci))
216 clk_put(priv->pci);
217 if (!IS_ERR(priv->host))
218 clk_put(priv->host);
219 if (!IS_ERR(priv->func))
220 clk_put(priv->func);
221 if (priv->usbh_base)
222 iounmap(priv->usbh_base);
223
224 priv->phy = NULL;
225 priv->usb24 = NULL;
226 priv->pci = NULL;
227 priv->host = NULL;
228 priv->func = NULL;
229 priv->usbh_base = NULL;
230}
231
232static int usbhsf_hardware_init(struct platform_device *pdev)
233{
234 struct usbhsf_private *priv = usbhsf_get_priv(pdev);
235
236 priv->phy = clk_get(&pdev->dev, "phy");
237 priv->usb24 = clk_get(&pdev->dev, "usb24");
238 priv->pci = clk_get(&pdev->dev, "pci");
239 priv->func = clk_get(&pdev->dev, "func");
240 priv->host = clk_get(&pdev->dev, "host");
241 priv->usbh_base = ioremap_nocache(USBH, 0x20000);
242
243 if (IS_ERR(priv->phy) ||
244 IS_ERR(priv->usb24) ||
245 IS_ERR(priv->pci) ||
246 IS_ERR(priv->host) ||
247 IS_ERR(priv->func) ||
248 !priv->usbh_base) {
249 dev_err(&pdev->dev, "USB clock setting failed\n");
250 usbhsf_hardware_exit(pdev);
251 return -EIO;
252 }
253
254 /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
255 clk_set_rate(priv->usb24,
256 clk_get_rate(clk_get_parent(priv->usb24)));
257
258 return 0;
259}
260
261static struct usbhsf_private usbhsf_private = {
262 .info = {
263 .platform_callback = {
264 .get_id = usbhsf_get_id,
265 .hardware_init = usbhsf_hardware_init,
266 .hardware_exit = usbhsf_hardware_exit,
267 .power_ctrl = usbhsf_power_ctrl,
268 },
269 .driver_param = {
270 .buswait_bwait = 5,
271 .detection_delay = 5,
272 },
273 }
274};
275
276static struct resource usbhsf_resources[] = {
277 {
278 .name = "USBHS",
279 .start = 0xe6890000,
280 .end = 0xe6890104 - 1,
281 .flags = IORESOURCE_MEM,
282 },
283 {
284 .start = evt2irq(0x0A20),
285 .flags = IORESOURCE_IRQ,
286 },
287};
288
289static struct platform_device usbhsf_device = {
290 .name = "renesas_usbhs",
291 .dev = {
292 .platform_data = &usbhsf_private.info,
293 },
294 .id = -1,
295 .num_resources = ARRAY_SIZE(usbhsf_resources),
296 .resource = usbhsf_resources,
297};
298
299/* Ether */
300static struct sh_eth_plat_data sh_eth_platdata = {
301 .phy = 0x00, /* LAN8710A */
302 .edmac_endian = EDMAC_LITTLE_ENDIAN,
303 .register_type = SH_ETH_REG_GIGABIT,
304 .phy_interface = PHY_INTERFACE_MODE_MII,
305};
306
307static struct resource sh_eth_resources[] = {
308 {
309 .start = 0xe9a00000,
310 .end = 0xe9a00800 - 1,
311 .flags = IORESOURCE_MEM,
312 }, {
313 .start = 0xe9a01800,
314 .end = 0xe9a02000 - 1,
315 .flags = IORESOURCE_MEM,
316 }, {
317 .start = evt2irq(0x0500),
318 .flags = IORESOURCE_IRQ,
319 },
320};
321
322static struct platform_device sh_eth_device = {
323 .name = "sh-eth",
324 .id = -1,
325 .dev = {
326 .platform_data = &sh_eth_platdata,
327 },
328 .resource = sh_eth_resources,
329 .num_resources = ARRAY_SIZE(sh_eth_resources),
330};
331
332/* LCDC */
333static struct fb_videomode lcdc0_mode = {
334 .name = "AMPIER/AM-800480",
335 .xres = 800,
336 .yres = 480,
337 .left_margin = 88,
338 .right_margin = 40,
339 .hsync_len = 128,
340 .upper_margin = 20,
341 .lower_margin = 5,
342 .vsync_len = 5,
343 .sync = 0,
344};
345
346static struct sh_mobile_lcdc_info lcdc0_info = {
347 .clock_source = LCDC_CLK_BUS,
348 .ch[0] = {
349 .chan = LCDC_CHAN_MAINLCD,
350 .fourcc = V4L2_PIX_FMT_RGB565,
351 .interface_type = RGB24,
352 .clock_divider = 5,
353 .flags = 0,
354 .lcd_modes = &lcdc0_mode,
355 .num_modes = 1,
356 .panel_cfg = {
357 .width = 111,
358 .height = 68,
359 },
360 },
361};
362
363static struct resource lcdc0_resources[] = {
364 [0] = {
365 .name = "LCD0",
366 .start = 0xfe940000,
367 .end = 0xfe943fff,
368 .flags = IORESOURCE_MEM,
369 },
370 [1] = {
371 .start = intcs_evt2irq(0x580),
372 .flags = IORESOURCE_IRQ,
373 },
374};
375
376static struct platform_device lcdc0_device = {
377 .name = "sh_mobile_lcdc_fb",
378 .num_resources = ARRAY_SIZE(lcdc0_resources),
379 .resource = lcdc0_resources,
380 .id = 0,
381 .dev = {
382 .platform_data = &lcdc0_info,
383 .coherent_dma_mask = ~0,
384 },
385};
386
387/* GPIO KEY */
388#define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
389
390static struct gpio_keys_button gpio_buttons[] = {
391 GPIO_KEY(KEY_POWER, GPIO_PORT99, "SW1"),
392 GPIO_KEY(KEY_BACK, GPIO_PORT100, "SW2"),
393 GPIO_KEY(KEY_MENU, GPIO_PORT97, "SW3"),
394 GPIO_KEY(KEY_HOME, GPIO_PORT98, "SW4"),
395};
396
397static struct gpio_keys_platform_data gpio_key_info = {
398 .buttons = gpio_buttons,
399 .nbuttons = ARRAY_SIZE(gpio_buttons),
400};
401
402static struct platform_device gpio_keys_device = {
403 .name = "gpio-keys",
404 .id = -1,
405 .dev = {
406 .platform_data = &gpio_key_info,
407 },
408};
409
410/* SDHI0 */
411/*
412 * FIXME
413 *
414 * It use polling mode here, since
415 * CD (= Card Detect) pin is not connected to SDHI0_CD.
416 * We can use IRQ31 as card detect irq,
417 * but it needs chattering removal operation
418 */
419#define IRQ31 evt2irq(0x33E0)
420static struct sh_mobile_sdhi_info sdhi0_info = {
421 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |\
422 MMC_CAP_NEEDS_POLL,
423 .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
424 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
425};
426
427static struct resource sdhi0_resources[] = {
428 {
429 .name = "SDHI0",
430 .start = 0xe6850000,
431 .end = 0xe6850100 - 1,
432 .flags = IORESOURCE_MEM,
433 },
434 /*
435 * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
436 */
437 {
438 .name = SH_MOBILE_SDHI_IRQ_SDCARD,
439 .start = evt2irq(0x0E20),
440 .flags = IORESOURCE_IRQ,
441 },
442 {
443 .name = SH_MOBILE_SDHI_IRQ_SDIO,
444 .start = evt2irq(0x0E40),
445 .flags = IORESOURCE_IRQ,
446 },
447};
448
449static struct platform_device sdhi0_device = {
450 .name = "sh_mobile_sdhi",
451 .id = 0,
452 .dev = {
453 .platform_data = &sdhi0_info,
454 },
455 .num_resources = ARRAY_SIZE(sdhi0_resources),
456 .resource = sdhi0_resources,
457};
458
459/* SDHI1 */
460static struct sh_mobile_sdhi_info sdhi1_info = {
461 .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
462 .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
463 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
464};
465
466static struct resource sdhi1_resources[] = {
467 [0] = {
468 .name = "SDHI1",
469 .start = 0xe6860000,
470 .end = 0xe6860100 - 1,
471 .flags = IORESOURCE_MEM,
472 },
473 [1] = {
474 .start = evt2irq(0x0E80),
475 .flags = IORESOURCE_IRQ,
476 },
477 [2] = {
478 .start = evt2irq(0x0EA0),
479 .flags = IORESOURCE_IRQ,
480 },
481 [3] = {
482 .start = evt2irq(0x0EC0),
483 .flags = IORESOURCE_IRQ,
484 },
485};
486
487static struct platform_device sdhi1_device = {
488 .name = "sh_mobile_sdhi",
489 .id = 1,
490 .dev = {
491 .platform_data = &sdhi1_info,
492 },
493 .num_resources = ARRAY_SIZE(sdhi1_resources),
494 .resource = sdhi1_resources,
495};
496
497/* MMCIF */
498static struct sh_mmcif_plat_data sh_mmcif_plat = {
499 .sup_pclk = 0,
500 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
501 .caps = MMC_CAP_4_BIT_DATA |
502 MMC_CAP_8_BIT_DATA |
503 MMC_CAP_NONREMOVABLE,
504};
505
506static struct resource sh_mmcif_resources[] = {
507 [0] = {
508 .name = "MMCIF",
509 .start = 0xe6bd0000,
510 .end = 0xe6bd0100 - 1,
511 .flags = IORESOURCE_MEM,
512 },
513 [1] = {
514 /* MMC ERR */
515 .start = evt2irq(0x1AC0),
516 .flags = IORESOURCE_IRQ,
517 },
518 [2] = {
519 /* MMC NOR */
520 .start = evt2irq(0x1AE0),
521 .flags = IORESOURCE_IRQ,
522 },
523};
524
525static struct platform_device sh_mmcif_device = {
526 .name = "sh_mmcif",
527 .id = -1,
528 .dev = {
529 .platform_data = &sh_mmcif_plat,
530 },
531 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
532 .resource = sh_mmcif_resources,
533};
534
535/* I2C */
536static struct i2c_board_info i2c0_devices[] = {
537 {
538 I2C_BOARD_INFO("st1232-ts", 0x55),
539 .irq = evt2irq(0x0340),
540 },
541};
542
543/*
544 * board devices
545 */
546static struct platform_device *eva_devices[] __initdata = {
547 &lcdc0_device,
548 &gpio_keys_device,
549 &sh_eth_device,
550 &sdhi0_device,
551 &sh_mmcif_device,
552};
553
554static void __init eva_clock_init(void)
555{
556 struct clk *system = clk_get(NULL, "system_clk");
557 struct clk *xtal1 = clk_get(NULL, "extal1");
558 struct clk *usb24s = clk_get(NULL, "usb24s");
559
560 if (IS_ERR(system) ||
561 IS_ERR(xtal1) ||
562 IS_ERR(usb24s)) {
563 pr_err("armadillo800eva board clock init failed\n");
564 goto clock_error;
565 }
566
567 /* armadillo 800 eva extal1 is 24MHz */
568 clk_set_rate(xtal1, 24000000);
569
570 /* usb24s use extal1 (= system) clock (= 24MHz) */
571 clk_set_parent(usb24s, system);
572
573clock_error:
574 if (!IS_ERR(system))
575 clk_put(system);
576 if (!IS_ERR(xtal1))
577 clk_put(xtal1);
578 if (!IS_ERR(usb24s))
579 clk_put(usb24s);
580}
581
582/*
583 * board init
584 */
585static void __init eva_init(void)
586{
587 eva_clock_init();
588
589 r8a7740_pinmux_init();
590
591 /* SCIFA1 */
592 gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
593 gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
594
595 /* LCDC0 */
596 gpio_request(GPIO_FN_LCDC0_SELECT, NULL);
597 gpio_request(GPIO_FN_LCD0_D0, NULL);
598 gpio_request(GPIO_FN_LCD0_D1, NULL);
599 gpio_request(GPIO_FN_LCD0_D2, NULL);
600 gpio_request(GPIO_FN_LCD0_D3, NULL);
601 gpio_request(GPIO_FN_LCD0_D4, NULL);
602 gpio_request(GPIO_FN_LCD0_D5, NULL);
603 gpio_request(GPIO_FN_LCD0_D6, NULL);
604 gpio_request(GPIO_FN_LCD0_D7, NULL);
605 gpio_request(GPIO_FN_LCD0_D8, NULL);
606 gpio_request(GPIO_FN_LCD0_D9, NULL);
607 gpio_request(GPIO_FN_LCD0_D10, NULL);
608 gpio_request(GPIO_FN_LCD0_D11, NULL);
609 gpio_request(GPIO_FN_LCD0_D12, NULL);
610 gpio_request(GPIO_FN_LCD0_D13, NULL);
611 gpio_request(GPIO_FN_LCD0_D14, NULL);
612 gpio_request(GPIO_FN_LCD0_D15, NULL);
613 gpio_request(GPIO_FN_LCD0_D16, NULL);
614 gpio_request(GPIO_FN_LCD0_D17, NULL);
615 gpio_request(GPIO_FN_LCD0_D18_PORT40, NULL);
616 gpio_request(GPIO_FN_LCD0_D19_PORT4, NULL);
617 gpio_request(GPIO_FN_LCD0_D20_PORT3, NULL);
618 gpio_request(GPIO_FN_LCD0_D21_PORT2, NULL);
619 gpio_request(GPIO_FN_LCD0_D22_PORT0, NULL);
620 gpio_request(GPIO_FN_LCD0_D23_PORT1, NULL);
621 gpio_request(GPIO_FN_LCD0_DCK, NULL);
622 gpio_request(GPIO_FN_LCD0_VSYN, NULL);
623 gpio_request(GPIO_FN_LCD0_HSYN, NULL);
624 gpio_request(GPIO_FN_LCD0_DISP, NULL);
625 gpio_request(GPIO_FN_LCD0_LCLK_PORT165, NULL);
626
627 gpio_request(GPIO_PORT61, NULL); /* LCDDON */
628 gpio_direction_output(GPIO_PORT61, 1);
629
630 gpio_request(GPIO_PORT202, NULL); /* LCD0_LED_CONT */
631 gpio_direction_output(GPIO_PORT202, 0);
632
633 /* Touchscreen */
634 gpio_request(GPIO_FN_IRQ10, NULL); /* TP_INT */
635 gpio_request(GPIO_PORT166, NULL); /* TP_RST_B */
636 gpio_direction_output(GPIO_PORT166, 1);
637
638 /* GETHER */
639 gpio_request(GPIO_FN_ET_CRS, NULL);
640 gpio_request(GPIO_FN_ET_MDC, NULL);
641 gpio_request(GPIO_FN_ET_MDIO, NULL);
642 gpio_request(GPIO_FN_ET_TX_ER, NULL);
643 gpio_request(GPIO_FN_ET_RX_ER, NULL);
644 gpio_request(GPIO_FN_ET_ERXD0, NULL);
645 gpio_request(GPIO_FN_ET_ERXD1, NULL);
646 gpio_request(GPIO_FN_ET_ERXD2, NULL);
647 gpio_request(GPIO_FN_ET_ERXD3, NULL);
648 gpio_request(GPIO_FN_ET_TX_CLK, NULL);
649 gpio_request(GPIO_FN_ET_TX_EN, NULL);
650 gpio_request(GPIO_FN_ET_ETXD0, NULL);
651 gpio_request(GPIO_FN_ET_ETXD1, NULL);
652 gpio_request(GPIO_FN_ET_ETXD2, NULL);
653 gpio_request(GPIO_FN_ET_ETXD3, NULL);
654 gpio_request(GPIO_FN_ET_PHY_INT, NULL);
655 gpio_request(GPIO_FN_ET_COL, NULL);
656 gpio_request(GPIO_FN_ET_RX_DV, NULL);
657 gpio_request(GPIO_FN_ET_RX_CLK, NULL);
658
659 gpio_request(GPIO_PORT18, NULL); /* PHY_RST */
660 gpio_direction_output(GPIO_PORT18, 1);
661
662 /* USB */
663 gpio_request(GPIO_PORT159, NULL); /* USB_DEVICE_MODE */
664 gpio_direction_input(GPIO_PORT159);
665
666 if (gpio_get_value(GPIO_PORT159)) {
667 /* USB Host */
668 } else {
669 /* USB Func */
670 gpio_request(GPIO_FN_VBUS, NULL);
671 platform_device_register(&usbhsf_device);
672 }
673
674 /* SDHI0 */
675 gpio_request(GPIO_FN_SDHI0_CMD, NULL);
676 gpio_request(GPIO_FN_SDHI0_CLK, NULL);
677 gpio_request(GPIO_FN_SDHI0_D0, NULL);
678 gpio_request(GPIO_FN_SDHI0_D1, NULL);
679 gpio_request(GPIO_FN_SDHI0_D2, NULL);
680 gpio_request(GPIO_FN_SDHI0_D3, NULL);
681 gpio_request(GPIO_FN_SDHI0_WP, NULL);
682
683 gpio_request(GPIO_PORT17, NULL); /* SDHI0_18/33_B */
684 gpio_request(GPIO_PORT74, NULL); /* SDHI0_PON */
685 gpio_request(GPIO_PORT75, NULL); /* SDSLOT1_PON */
686 gpio_direction_output(GPIO_PORT17, 0);
687 gpio_direction_output(GPIO_PORT74, 1);
688 gpio_direction_output(GPIO_PORT75, 1);
689
690 /* we can use GPIO_FN_IRQ31_PORT167 here for SDHI0 CD irq */
691
692 /*
693 * MMCIF
694 *
695 * Here doesn't care SW1.4 status,
696 * since CON2 is not mounted.
697 */
698 gpio_request(GPIO_FN_MMC1_CLK_PORT103, NULL);
699 gpio_request(GPIO_FN_MMC1_CMD_PORT104, NULL);
700 gpio_request(GPIO_FN_MMC1_D0_PORT149, NULL);
701 gpio_request(GPIO_FN_MMC1_D1_PORT148, NULL);
702 gpio_request(GPIO_FN_MMC1_D2_PORT147, NULL);
703 gpio_request(GPIO_FN_MMC1_D3_PORT146, NULL);
704 gpio_request(GPIO_FN_MMC1_D4_PORT145, NULL);
705 gpio_request(GPIO_FN_MMC1_D5_PORT144, NULL);
706 gpio_request(GPIO_FN_MMC1_D6_PORT143, NULL);
707 gpio_request(GPIO_FN_MMC1_D7_PORT142, NULL);
708
709 /*
710 * CAUTION
711 *
712 * DBGMD/LCDC0/FSIA MUX
713 * DBGMD_SELECT_B should be set after setting PFC Function.
714 */
715 gpio_request(GPIO_PORT176, NULL);
716 gpio_direction_output(GPIO_PORT176, 1);
717
718 /*
719 * We can switch CON8/CON14 by SW1.5,
720 * but it needs after DBGMD_SELECT_B
721 */
722 gpio_request(GPIO_PORT6, NULL);
723 gpio_direction_input(GPIO_PORT6);
724 if (gpio_get_value(GPIO_PORT6)) {
725 /* CON14 enable */
726 } else {
727 /* CON8 (SDHI1) enable */
728 gpio_request(GPIO_FN_SDHI1_CLK, NULL);
729 gpio_request(GPIO_FN_SDHI1_CMD, NULL);
730 gpio_request(GPIO_FN_SDHI1_D0, NULL);
731 gpio_request(GPIO_FN_SDHI1_D1, NULL);
732 gpio_request(GPIO_FN_SDHI1_D2, NULL);
733 gpio_request(GPIO_FN_SDHI1_D3, NULL);
734 gpio_request(GPIO_FN_SDHI1_CD, NULL);
735 gpio_request(GPIO_FN_SDHI1_WP, NULL);
736
737 gpio_request(GPIO_PORT16, NULL); /* SDSLOT2_PON */
738 gpio_direction_output(GPIO_PORT16, 1);
739
740 platform_device_register(&sdhi1_device);
741 }
742
743
744#ifdef CONFIG_CACHE_L2X0
745 /* Early BRESP enable, Shared attribute override enable, 32K*8way */
746 l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff);
747#endif
748
749 i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
750
751 r8a7740_add_standard_devices();
752
753 platform_add_devices(eva_devices,
754 ARRAY_SIZE(eva_devices));
755}
756
757static void __init eva_earlytimer_init(void)
758{
759 r8a7740_clock_init(MD_CK0 | MD_CK2);
760 shmobile_earlytimer_init();
761}
762
763static void __init eva_add_early_devices(void)
764{
765 r8a7740_add_early_devices();
766
767 /* override timer setup with board-specific code */
768 shmobile_timer.init = eva_earlytimer_init;
769}
770
771static const char *eva_boards_compat_dt[] __initdata = {
772 "renesas,armadillo800eva",
773 NULL,
774};
775
776DT_MACHINE_START(ARMADILLO800EVA_DT, "armadillo800eva")
777 .map_io = r8a7740_map_io,
778 .init_early = eva_add_early_devices,
779 .init_irq = r8a7740_init_irq,
780 .handle_irq = shmobile_handle_irq_intc,
781 .init_machine = eva_init,
782 .init_late = shmobile_init_late,
783 .timer = &shmobile_timer,
784 .dt_compat = eva_boards_compat_dt,
785MACHINE_END