4 * Copyright (C) 2010 Magnus Damm
5 * Copyright (C) 2008 Yoshihiro Shimoda
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.
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.
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
20 #include <linux/clk.h>
21 #include <linux/kernel.h>
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/irq.h>
25 #include <linux/platform_device.h>
26 #include <linux/delay.h>
27 #include <linux/mfd/sh_mobile_sdhi.h>
28 #include <linux/mtd/mtd.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/mtd/physmap.h>
31 #include <linux/mmc/host.h>
32 #include <linux/mmc/sh_mmcif.h>
33 #include <linux/i2c.h>
34 #include <linux/i2c/tsc2007.h>
36 #include <linux/smsc911x.h>
37 #include <linux/sh_intc.h>
38 #include <linux/sh_clk.h>
39 #include <linux/gpio.h>
40 #include <linux/input.h>
41 #include <linux/input/sh_keysc.h>
42 #include <linux/usb/r8a66597.h>
44 #include <sound/sh_fsi.h>
46 #include <video/sh_mobile_lcdc.h>
47 #include <video/sh_mipi_dsi.h>
49 #include <mach/common.h>
50 #include <mach/irqs.h>
51 #include <mach/sh7372.h>
53 #include <asm/mach-types.h>
54 #include <asm/mach/arch.h>
55 #include <asm/mach/map.h>
56 #include <asm/mach/time.h>
59 * Address Interface BusWidth note
60 * ------------------------------------------------------------------
61 * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
62 * 0x0800_0000 user area -
63 * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
64 * 0x1400_0000 Ether (LAN9220) 16bit
65 * 0x1600_0000 user area - cannot use with NAND
66 * 0x1800_0000 user area -
68 * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
74 * SW1 | SW2 | SW7 | NOR Flash ROM
75 * bit1 | bit1 bit2 | bit1 | Memory allocation
76 * ------+------------+------+------------------
77 * OFF | ON OFF | ON | Area 0
78 * OFF | ON OFF | OFF | Area 4
84 * SW1 | SW2 | SW7 | NAND Flash ROM
85 * bit1 | bit1 bit2 | bit2 | Memory allocation
86 * ------+------------+------+------------------
87 * OFF | ON OFF | ON | FCE 0
88 * OFF | ON OFF | OFF | FCE 1
95 * -----------------------
101 * LCD / IRQ / KEYSC / IrDA
103 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (TouchScreen)
108 * -------------+-----------------------+---------------+
109 * ON | KEY / IrDA | LCD |
110 * OFF | KEY / IrDA / IRQ | IRQ |
116 * J7 : 1-2 MAX3355E VBUS
125 * SW41 : ON : SH-Mobile AP4 Audio Mode
126 * : OFF : Bluetooth Audio Mode
132 * J22 : 1-2: 1.8v for MMC
142 static struct mtd_partition nor_flash_partitions[] = {
145 .offset = 0x00000000,
150 .offset = MTDPART_OFS_APPEND,
155 .offset = MTDPART_OFS_APPEND,
156 .size = 8 * 1024 * 1024,
157 .mask_flags = MTD_WRITEABLE,
161 .offset = MTDPART_OFS_APPEND,
162 .size = 8 * 1024 * 1024,
166 .offset = MTDPART_OFS_APPEND,
167 .size = MTDPART_SIZ_FULL,
171 static struct physmap_flash_data nor_flash_data = {
173 .parts = nor_flash_partitions,
174 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
177 static struct resource nor_flash_resources[] = {
180 .end = 0x08000000 - 1,
181 .flags = IORESOURCE_MEM,
185 static struct platform_device nor_flash_device = {
186 .name = "physmap-flash",
188 .platform_data = &nor_flash_data,
190 .num_resources = ARRAY_SIZE(nor_flash_resources),
191 .resource = nor_flash_resources,
195 static struct resource smc911x_resources[] = {
198 .end = 0x16000000 - 1,
199 .flags = IORESOURCE_MEM,
201 .start = evt2irq(0x02c0) /* IRQ6A */,
202 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
206 static struct smsc911x_platform_config smsc911x_info = {
207 .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
208 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
209 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
212 static struct platform_device smc911x_device = {
215 .num_resources = ARRAY_SIZE(smc911x_resources),
216 .resource = smc911x_resources,
218 .platform_data = &smsc911x_info,
222 /* KEYSC (Needs SW43 set to ON) */
223 static struct sh_keysc_info keysc_info = {
224 .mode = SH_KEYSC_MODE_1,
228 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
229 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
230 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
231 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
232 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
236 static struct resource keysc_resources[] = {
241 .flags = IORESOURCE_MEM,
244 .start = evt2irq(0x0be0), /* KEYSC_KEY */
245 .flags = IORESOURCE_IRQ,
249 static struct platform_device keysc_device = {
251 .id = 0, /* "keysc0" clock */
252 .num_resources = ARRAY_SIZE(keysc_resources),
253 .resource = keysc_resources,
255 .platform_data = &keysc_info,
260 static struct resource sh_mmcif_resources[] = {
265 .flags = IORESOURCE_MEM,
270 .flags = IORESOURCE_IRQ,
275 .flags = IORESOURCE_IRQ,
279 struct sh_mmcif_plat_data sh_mmcif_plat = {
281 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
282 .caps = MMC_CAP_4_BIT_DATA |
287 static struct platform_device sh_mmcif_device = {
292 .coherent_dma_mask = 0xffffffff,
293 .platform_data = &sh_mmcif_plat,
295 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
296 .resource = sh_mmcif_resources,
300 static struct sh_mobile_sdhi_info sdhi0_info = {
301 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
302 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
305 static struct resource sdhi0_resources[] = {
310 .flags = IORESOURCE_MEM,
313 .start = evt2irq(0x0e00) /* SDHI0 */,
314 .flags = IORESOURCE_IRQ,
318 static struct platform_device sdhi0_device = {
319 .name = "sh_mobile_sdhi",
320 .num_resources = ARRAY_SIZE(sdhi0_resources),
321 .resource = sdhi0_resources,
324 .platform_data = &sdhi0_info,
329 void usb1_host_port_power(int port, int power)
331 if (!power) /* only power-on supported for now */
334 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
335 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
338 static struct r8a66597_platdata usb1_host_data = {
340 .port_power = usb1_host_port_power,
343 static struct resource usb1_host_resources[] = {
347 .end = 0xE68B00E6 - 1,
348 .flags = IORESOURCE_MEM,
351 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
352 .flags = IORESOURCE_IRQ,
356 static struct platform_device usb1_host_device = {
357 .name = "r8a66597_hcd",
360 .dma_mask = NULL, /* not use dma */
361 .coherent_dma_mask = 0xffffffff,
362 .platform_data = &usb1_host_data,
364 .num_resources = ARRAY_SIZE(usb1_host_resources),
365 .resource = usb1_host_resources,
368 static struct sh_mobile_lcdc_info sh_mobile_lcdc_info = {
369 .clock_source = LCDC_CLK_PERIPHERAL, /* One of interface clocks */
371 .chan = LCDC_CHAN_MAINLCD,
373 .interface_type = RGB24,
375 .flags = LCDC_FLAGS_DWPOL,
377 .name = "R63302(QHD)",
386 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
395 static struct resource lcdc_resources[] = {
398 .start = 0xfe940000, /* P4-only space */
400 .flags = IORESOURCE_MEM,
403 .start = intcs_evt2irq(0x580),
404 .flags = IORESOURCE_IRQ,
408 static struct platform_device lcdc_device = {
409 .name = "sh_mobile_lcdc_fb",
410 .num_resources = ARRAY_SIZE(lcdc_resources),
411 .resource = lcdc_resources,
413 .platform_data = &sh_mobile_lcdc_info,
414 .coherent_dma_mask = ~0,
418 static struct resource mipidsi0_resources[] = {
422 .flags = IORESOURCE_MEM,
426 static struct sh_mipi_dsi_info mipidsi0_info = {
427 .data_format = MIPI_RGB888,
428 .lcd_chan = &sh_mobile_lcdc_info.ch[0],
431 static struct platform_device mipidsi0_device = {
432 .name = "sh-mipi-dsi",
433 .num_resources = ARRAY_SIZE(mipidsi0_resources),
434 .resource = mipidsi0_resources,
437 .platform_data = &mipidsi0_info,
442 #define IRQ_FSI evt2irq(0x1840)
443 #define FSIACKCR 0xE6150018
444 static void fsiackcr_init(struct clk *clk)
446 u32 status = __raw_readl(clk->enable_reg);
448 /* use external clock */
449 status &= ~0x000000ff;
450 status |= 0x00000080;
451 __raw_writel(status, clk->enable_reg);
454 static struct clk_ops fsiackcr_clk_ops = {
455 .init = fsiackcr_init,
458 static struct clk fsiackcr_clk = {
459 .ops = &fsiackcr_clk_ops,
460 .enable_reg = (void __iomem *)FSIACKCR,
461 .rate = 0, /* unknown */
464 struct sh_fsi_platform_info fsi_info = {
465 .porta_flags = SH_FSI_BRS_INV |
466 SH_FSI_OUT_SLAVE_MODE |
467 SH_FSI_IN_SLAVE_MODE |
472 static struct resource fsi_resources[] = {
476 .end = 0xFE3C0400 - 1,
477 .flags = IORESOURCE_MEM,
481 .flags = IORESOURCE_IRQ,
485 static struct platform_device fsi_device = {
488 .num_resources = ARRAY_SIZE(fsi_resources),
489 .resource = fsi_resources,
491 .platform_data = &fsi_info,
495 static struct platform_device *ap4evb_devices[] __initdata = {
507 /* TouchScreen (Needs SW3 set to OFF) */
508 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
509 struct tsc2007_platform_data tsc2007_info = {
515 static struct i2c_board_info i2c0_devices[] = {
517 I2C_BOARD_INFO("ak4643", 0x13),
521 static struct i2c_board_info i2c1_devices[] = {
523 I2C_BOARD_INFO("r2025sd", 0x32),
526 I2C_BOARD_INFO("tsc2007", 0x48),
528 .platform_data = &tsc2007_info,
533 static struct map_desc ap4evb_io_desc[] __initdata = {
534 /* create a 1:1 entity map for 0xe6xxxxxx
535 * used by CPGA, INTC and PFC.
538 .virtual = 0xe6000000,
539 .pfn = __phys_to_pfn(0xe6000000),
541 .type = MT_DEVICE_NONSHARED
545 static void __init ap4evb_map_io(void)
547 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
549 /* setup early devices and console here as well */
550 sh7372_add_early_devices();
551 shmobile_setup_console();
554 /* This function will disappear when we switch to (runtime) PM */
555 static int __init ap4evb_init_display_clk(void)
557 struct clk *lcdc_clk;
558 struct clk *dsitx_clk;
561 lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
562 if (IS_ERR(lcdc_clk))
563 return PTR_ERR(lcdc_clk);
565 dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
566 if (IS_ERR(dsitx_clk)) {
567 ret = PTR_ERR(dsitx_clk);
571 ret = clk_enable(lcdc_clk);
575 ret = clk_enable(dsitx_clk);
582 clk_disable(lcdc_clk);
591 device_initcall(ap4evb_init_display_clk);
596 * gpio_no_direction is quick_hack.
598 * current gpio frame work doesn't have
599 * the method to control only pull up/down/free.
600 * this function should be replaced by correct gpio function
602 static void __init gpio_no_direction(u32 addr)
604 __raw_writeb(0x00, addr);
607 #define GPIO_PORT9CR 0xE6051009
608 #define GPIO_PORT10CR 0xE605100A
610 static void __init ap4evb_init(void)
614 sh7372_pinmux_init();
617 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
618 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
620 /* enable SMSC911X */
621 gpio_request(GPIO_FN_CS5A, NULL);
622 gpio_request(GPIO_FN_IRQ6_39, NULL);
624 /* enable LED 1 - 4 */
625 gpio_request(GPIO_PORT185, NULL);
626 gpio_request(GPIO_PORT186, NULL);
627 gpio_request(GPIO_PORT187, NULL);
628 gpio_request(GPIO_PORT188, NULL);
629 gpio_direction_output(GPIO_PORT185, 1);
630 gpio_direction_output(GPIO_PORT186, 1);
631 gpio_direction_output(GPIO_PORT187, 1);
632 gpio_direction_output(GPIO_PORT188, 1);
633 gpio_export(GPIO_PORT185, 0);
634 gpio_export(GPIO_PORT186, 0);
635 gpio_export(GPIO_PORT187, 0);
636 gpio_export(GPIO_PORT188, 0);
638 /* enable Debug switch (S6) */
639 gpio_request(GPIO_PORT32, NULL);
640 gpio_request(GPIO_PORT33, NULL);
641 gpio_request(GPIO_PORT34, NULL);
642 gpio_request(GPIO_PORT35, NULL);
643 gpio_direction_input(GPIO_PORT32);
644 gpio_direction_input(GPIO_PORT33);
645 gpio_direction_input(GPIO_PORT34);
646 gpio_direction_input(GPIO_PORT35);
647 gpio_export(GPIO_PORT32, 0);
648 gpio_export(GPIO_PORT33, 0);
649 gpio_export(GPIO_PORT34, 0);
650 gpio_export(GPIO_PORT35, 0);
653 gpio_request(GPIO_FN_KEYOUT0, NULL);
654 gpio_request(GPIO_FN_KEYOUT1, NULL);
655 gpio_request(GPIO_FN_KEYOUT2, NULL);
656 gpio_request(GPIO_FN_KEYOUT3, NULL);
657 gpio_request(GPIO_FN_KEYOUT4, NULL);
658 gpio_request(GPIO_FN_KEYIN0_136, NULL);
659 gpio_request(GPIO_FN_KEYIN1_135, NULL);
660 gpio_request(GPIO_FN_KEYIN2_134, NULL);
661 gpio_request(GPIO_FN_KEYIN3_133, NULL);
662 gpio_request(GPIO_FN_KEYIN4, NULL);
665 gpio_request(GPIO_FN_SDHICD0, NULL);
666 gpio_request(GPIO_FN_SDHIWP0, NULL);
667 gpio_request(GPIO_FN_SDHICMD0, NULL);
668 gpio_request(GPIO_FN_SDHICLK0, NULL);
669 gpio_request(GPIO_FN_SDHID0_3, NULL);
670 gpio_request(GPIO_FN_SDHID0_2, NULL);
671 gpio_request(GPIO_FN_SDHID0_1, NULL);
672 gpio_request(GPIO_FN_SDHID0_0, NULL);
674 /* enable TouchScreen */
675 gpio_request(GPIO_FN_IRQ28_123, NULL);
676 set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
679 gpio_request(GPIO_FN_MMCD0_0, NULL);
680 gpio_request(GPIO_FN_MMCD0_1, NULL);
681 gpio_request(GPIO_FN_MMCD0_2, NULL);
682 gpio_request(GPIO_FN_MMCD0_3, NULL);
683 gpio_request(GPIO_FN_MMCD0_4, NULL);
684 gpio_request(GPIO_FN_MMCD0_5, NULL);
685 gpio_request(GPIO_FN_MMCD0_6, NULL);
686 gpio_request(GPIO_FN_MMCD0_7, NULL);
687 gpio_request(GPIO_FN_MMCCMD0, NULL);
688 gpio_request(GPIO_FN_MMCCLK0, NULL);
691 gpio_request(GPIO_FN_VBUS0_1, NULL);
692 gpio_request(GPIO_FN_IDIN_1_18, NULL);
693 gpio_request(GPIO_FN_PWEN_1_115, NULL);
694 gpio_request(GPIO_FN_OVCN_1_114, NULL);
695 gpio_request(GPIO_FN_EXTLP_1, NULL);
696 gpio_request(GPIO_FN_OVCN2_1, NULL);
699 __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
702 gpio_request(GPIO_FN_FSIAIBT, NULL);
703 gpio_request(GPIO_FN_FSIAILR, NULL);
704 gpio_request(GPIO_FN_FSIAISLD, NULL);
705 gpio_request(GPIO_FN_FSIAOSLD, NULL);
706 gpio_request(GPIO_PORT161, NULL);
707 gpio_direction_output(GPIO_PORT161, 0); /* slave */
709 gpio_request(GPIO_PORT9, NULL);
710 gpio_request(GPIO_PORT10, NULL);
711 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
712 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
714 /* set SPU2 clock to 119.6 MHz */
715 clk = clk_get(NULL, "spu_clk");
716 if (!IS_ERR_VALUE(clk)) {
717 clk_set_rate(clk, clk_round_rate(clk, 119600000));
721 /* change parent of FSI A */
722 clk = clk_get(NULL, "fsia_clk");
723 if (!IS_ERR_VALUE(clk)) {
724 clk_register(&fsiackcr_clk);
725 clk_set_parent(clk, &fsiackcr_clk);
730 * set irq priority, to avoid sound chopping
731 * when NFS rootfs is used
732 * FSI(3) > SMSC911X(2)
734 intc_set_priority(IRQ_FSI, 3);
736 i2c_register_board_info(0, i2c0_devices,
737 ARRAY_SIZE(i2c0_devices));
739 i2c_register_board_info(1, i2c1_devices,
740 ARRAY_SIZE(i2c1_devices));
742 sh7372_add_standard_devices();
744 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
747 static void __init ap4evb_timer_init(void)
750 shmobile_timer.init();
753 static struct sys_timer ap4evb_timer = {
754 .init = ap4evb_timer_init,
757 MACHINE_START(AP4EVB, "ap4evb")
758 .phys_io = 0xe6000000,
759 .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
760 .map_io = ap4evb_map_io,
761 .init_irq = sh7372_init_irq,
762 .init_machine = ap4evb_init,
763 .timer = &ap4evb_timer,