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/mmc/host.h>
29 #include <linux/mtd/mtd.h>
30 #include <linux/mtd/partitions.h>
31 #include <linux/mtd/physmap.h>
32 #include <linux/mmc/host.h>
33 #include <linux/mmc/sh_mmcif.h>
34 #include <linux/i2c.h>
35 #include <linux/i2c/tsc2007.h>
37 #include <linux/smsc911x.h>
38 #include <linux/sh_intc.h>
39 #include <linux/sh_clk.h>
40 #include <linux/gpio.h>
41 #include <linux/input.h>
42 #include <linux/input/sh_keysc.h>
43 #include <linux/usb/r8a66597.h>
45 #include <sound/sh_fsi.h>
47 #include <video/sh_mobile_lcdc.h>
48 #include <video/sh_mipi_dsi.h>
50 #include <mach/common.h>
51 #include <mach/irqs.h>
52 #include <mach/sh7372.h>
54 #include <asm/mach-types.h>
55 #include <asm/mach/arch.h>
56 #include <asm/mach/map.h>
57 #include <asm/mach/time.h>
60 * Address Interface BusWidth note
61 * ------------------------------------------------------------------
62 * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
63 * 0x0800_0000 user area -
64 * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
65 * 0x1400_0000 Ether (LAN9220) 16bit
66 * 0x1600_0000 user area - cannot use with NAND
67 * 0x1800_0000 user area -
69 * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
75 * SW1 | SW2 | SW7 | NOR Flash ROM
76 * bit1 | bit1 bit2 | bit1 | Memory allocation
77 * ------+------------+------+------------------
78 * OFF | ON OFF | ON | Area 0
79 * OFF | ON OFF | OFF | Area 4
85 * SW1 | SW2 | SW7 | NAND Flash ROM
86 * bit1 | bit1 bit2 | bit2 | Memory allocation
87 * ------+------------+------+------------------
88 * OFF | ON OFF | ON | FCE 0
89 * OFF | ON OFF | OFF | FCE 1
96 * -----------------------
102 * LCD / IRQ / KEYSC / IrDA
104 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (TouchScreen)
109 * -------------+-----------------------+---------------+
110 * ON | KEY / IrDA | LCD |
111 * OFF | KEY / IrDA / IRQ | IRQ |
117 * J7 : 1-2 MAX3355E VBUS
126 * SW41 : ON : SH-Mobile AP4 Audio Mode
127 * : OFF : Bluetooth Audio Mode
133 * J22 : select card voltage
138 * | bit1 | bit2 | bit3 | bit4
139 * ------------+------+------+------+-------
140 * MMC0 OFF | OFF | ON | ON | X
141 * SDHI1 OFF | ON | X | OFF | ON
149 static struct mtd_partition nor_flash_partitions[] = {
152 .offset = 0x00000000,
157 .offset = MTDPART_OFS_APPEND,
162 .offset = MTDPART_OFS_APPEND,
163 .size = 8 * 1024 * 1024,
164 .mask_flags = MTD_WRITEABLE,
168 .offset = MTDPART_OFS_APPEND,
169 .size = 8 * 1024 * 1024,
173 .offset = MTDPART_OFS_APPEND,
174 .size = MTDPART_SIZ_FULL,
178 static struct physmap_flash_data nor_flash_data = {
180 .parts = nor_flash_partitions,
181 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
184 static struct resource nor_flash_resources[] = {
187 .end = 0x08000000 - 1,
188 .flags = IORESOURCE_MEM,
192 static struct platform_device nor_flash_device = {
193 .name = "physmap-flash",
195 .platform_data = &nor_flash_data,
197 .num_resources = ARRAY_SIZE(nor_flash_resources),
198 .resource = nor_flash_resources,
202 static struct resource smc911x_resources[] = {
205 .end = 0x16000000 - 1,
206 .flags = IORESOURCE_MEM,
208 .start = evt2irq(0x02c0) /* IRQ6A */,
209 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
213 static struct smsc911x_platform_config smsc911x_info = {
214 .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
215 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
216 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
219 static struct platform_device smc911x_device = {
222 .num_resources = ARRAY_SIZE(smc911x_resources),
223 .resource = smc911x_resources,
225 .platform_data = &smsc911x_info,
229 /* KEYSC (Needs SW43 set to ON) */
230 static struct sh_keysc_info keysc_info = {
231 .mode = SH_KEYSC_MODE_1,
235 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
236 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
237 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
238 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
239 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
243 static struct resource keysc_resources[] = {
248 .flags = IORESOURCE_MEM,
251 .start = evt2irq(0x0be0), /* KEYSC_KEY */
252 .flags = IORESOURCE_IRQ,
256 static struct platform_device keysc_device = {
258 .id = 0, /* "keysc0" clock */
259 .num_resources = ARRAY_SIZE(keysc_resources),
260 .resource = keysc_resources,
262 .platform_data = &keysc_info,
267 static struct resource sh_mmcif_resources[] = {
272 .flags = IORESOURCE_MEM,
276 .start = evt2irq(0x1ac0),
277 .flags = IORESOURCE_IRQ,
281 .start = evt2irq(0x1ae0),
282 .flags = IORESOURCE_IRQ,
286 static struct sh_mmcif_plat_data sh_mmcif_plat = {
288 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
289 .caps = MMC_CAP_4_BIT_DATA |
294 static struct platform_device sh_mmcif_device = {
299 .coherent_dma_mask = 0xffffffff,
300 .platform_data = &sh_mmcif_plat,
302 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
303 .resource = sh_mmcif_resources,
307 static struct sh_mobile_sdhi_info sdhi0_info = {
308 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
309 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
312 static struct resource sdhi0_resources[] = {
317 .flags = IORESOURCE_MEM,
320 .start = evt2irq(0x0e00) /* SDHI0 */,
321 .flags = IORESOURCE_IRQ,
325 static struct platform_device sdhi0_device = {
326 .name = "sh_mobile_sdhi",
327 .num_resources = ARRAY_SIZE(sdhi0_resources),
328 .resource = sdhi0_resources,
331 .platform_data = &sdhi0_info,
336 static struct sh_mobile_sdhi_info sdhi1_info = {
337 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
338 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
339 .tmio_ocr_mask = MMC_VDD_165_195,
342 static struct resource sdhi1_resources[] = {
347 .flags = IORESOURCE_MEM,
350 .start = evt2irq(0x0e80),
351 .flags = IORESOURCE_IRQ,
355 static struct platform_device sdhi1_device = {
356 .name = "sh_mobile_sdhi",
357 .num_resources = ARRAY_SIZE(sdhi1_resources),
358 .resource = sdhi1_resources,
361 .platform_data = &sdhi1_info,
366 static void usb1_host_port_power(int port, int power)
368 if (!power) /* only power-on supported for now */
371 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
372 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
375 static struct r8a66597_platdata usb1_host_data = {
377 .port_power = usb1_host_port_power,
380 static struct resource usb1_host_resources[] = {
384 .end = 0xE68B00E6 - 1,
385 .flags = IORESOURCE_MEM,
388 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
389 .flags = IORESOURCE_IRQ,
393 static struct platform_device usb1_host_device = {
394 .name = "r8a66597_hcd",
397 .dma_mask = NULL, /* not use dma */
398 .coherent_dma_mask = 0xffffffff,
399 .platform_data = &usb1_host_data,
401 .num_resources = ARRAY_SIZE(usb1_host_resources),
402 .resource = usb1_host_resources,
405 static struct sh_mobile_lcdc_info sh_mobile_lcdc_info = {
406 .clock_source = LCDC_CLK_PERIPHERAL, /* One of interface clocks */
408 .chan = LCDC_CHAN_MAINLCD,
410 .interface_type = RGB24,
412 .flags = LCDC_FLAGS_DWPOL,
414 .name = "R63302(QHD)",
423 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
432 static struct resource lcdc_resources[] = {
435 .start = 0xfe940000, /* P4-only space */
437 .flags = IORESOURCE_MEM,
440 .start = intcs_evt2irq(0x580),
441 .flags = IORESOURCE_IRQ,
445 static struct platform_device lcdc_device = {
446 .name = "sh_mobile_lcdc_fb",
447 .num_resources = ARRAY_SIZE(lcdc_resources),
448 .resource = lcdc_resources,
450 .platform_data = &sh_mobile_lcdc_info,
451 .coherent_dma_mask = ~0,
455 static struct resource mipidsi0_resources[] = {
459 .flags = IORESOURCE_MEM,
463 static struct sh_mipi_dsi_info mipidsi0_info = {
464 .data_format = MIPI_RGB888,
465 .lcd_chan = &sh_mobile_lcdc_info.ch[0],
468 static struct platform_device mipidsi0_device = {
469 .name = "sh-mipi-dsi",
470 .num_resources = ARRAY_SIZE(mipidsi0_resources),
471 .resource = mipidsi0_resources,
474 .platform_data = &mipidsi0_info,
479 #define IRQ_FSI evt2irq(0x1840)
480 #define FSIACKCR 0xE6150018
481 static void fsiackcr_init(struct clk *clk)
483 u32 status = __raw_readl(clk->enable_reg);
485 /* use external clock */
486 status &= ~0x000000ff;
487 status |= 0x00000080;
488 __raw_writel(status, clk->enable_reg);
491 static struct clk_ops fsiackcr_clk_ops = {
492 .init = fsiackcr_init,
495 static struct clk fsiackcr_clk = {
496 .ops = &fsiackcr_clk_ops,
497 .enable_reg = (void __iomem *)FSIACKCR,
498 .rate = 0, /* unknown */
501 static struct sh_fsi_platform_info fsi_info = {
502 .porta_flags = SH_FSI_BRS_INV |
503 SH_FSI_OUT_SLAVE_MODE |
504 SH_FSI_IN_SLAVE_MODE |
509 static struct resource fsi_resources[] = {
513 .end = 0xFE3C0400 - 1,
514 .flags = IORESOURCE_MEM,
518 .flags = IORESOURCE_IRQ,
522 static struct platform_device fsi_device = {
525 .num_resources = ARRAY_SIZE(fsi_resources),
526 .resource = fsi_resources,
528 .platform_data = &fsi_info,
532 static struct platform_device *ap4evb_devices[] __initdata = {
545 /* TouchScreen (Needs SW3 set to OFF) */
546 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
547 static struct tsc2007_platform_data tsc2007_info = {
553 static struct i2c_board_info i2c0_devices[] = {
555 I2C_BOARD_INFO("ak4643", 0x13),
559 static struct i2c_board_info i2c1_devices[] = {
561 I2C_BOARD_INFO("r2025sd", 0x32),
564 I2C_BOARD_INFO("tsc2007", 0x48),
566 .platform_data = &tsc2007_info,
571 static struct map_desc ap4evb_io_desc[] __initdata = {
572 /* create a 1:1 entity map for 0xe6xxxxxx
573 * used by CPGA, INTC and PFC.
576 .virtual = 0xe6000000,
577 .pfn = __phys_to_pfn(0xe6000000),
579 .type = MT_DEVICE_NONSHARED
583 static void __init ap4evb_map_io(void)
585 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
587 /* setup early devices and console here as well */
588 sh7372_add_early_devices();
589 shmobile_setup_console();
592 /* This function will disappear when we switch to (runtime) PM */
593 static int __init ap4evb_init_display_clk(void)
595 struct clk *lcdc_clk;
596 struct clk *dsitx_clk;
599 lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
600 if (IS_ERR(lcdc_clk))
601 return PTR_ERR(lcdc_clk);
603 dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
604 if (IS_ERR(dsitx_clk)) {
605 ret = PTR_ERR(dsitx_clk);
609 ret = clk_enable(lcdc_clk);
613 ret = clk_enable(dsitx_clk);
620 clk_disable(lcdc_clk);
629 device_initcall(ap4evb_init_display_clk);
634 * gpio_no_direction is quick_hack.
636 * current gpio frame work doesn't have
637 * the method to control only pull up/down/free.
638 * this function should be replaced by correct gpio function
640 static void __init gpio_no_direction(u32 addr)
642 __raw_writeb(0x00, addr);
645 #define GPIO_PORT9CR 0xE6051009
646 #define GPIO_PORT10CR 0xE605100A
648 static void __init ap4evb_init(void)
652 sh7372_pinmux_init();
655 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
656 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
658 /* enable SMSC911X */
659 gpio_request(GPIO_FN_CS5A, NULL);
660 gpio_request(GPIO_FN_IRQ6_39, NULL);
662 /* enable LED 1 - 4 */
663 gpio_request(GPIO_PORT185, NULL);
664 gpio_request(GPIO_PORT186, NULL);
665 gpio_request(GPIO_PORT187, NULL);
666 gpio_request(GPIO_PORT188, NULL);
667 gpio_direction_output(GPIO_PORT185, 1);
668 gpio_direction_output(GPIO_PORT186, 1);
669 gpio_direction_output(GPIO_PORT187, 1);
670 gpio_direction_output(GPIO_PORT188, 1);
671 gpio_export(GPIO_PORT185, 0);
672 gpio_export(GPIO_PORT186, 0);
673 gpio_export(GPIO_PORT187, 0);
674 gpio_export(GPIO_PORT188, 0);
676 /* enable Debug switch (S6) */
677 gpio_request(GPIO_PORT32, NULL);
678 gpio_request(GPIO_PORT33, NULL);
679 gpio_request(GPIO_PORT34, NULL);
680 gpio_request(GPIO_PORT35, NULL);
681 gpio_direction_input(GPIO_PORT32);
682 gpio_direction_input(GPIO_PORT33);
683 gpio_direction_input(GPIO_PORT34);
684 gpio_direction_input(GPIO_PORT35);
685 gpio_export(GPIO_PORT32, 0);
686 gpio_export(GPIO_PORT33, 0);
687 gpio_export(GPIO_PORT34, 0);
688 gpio_export(GPIO_PORT35, 0);
691 gpio_request(GPIO_FN_KEYOUT0, NULL);
692 gpio_request(GPIO_FN_KEYOUT1, NULL);
693 gpio_request(GPIO_FN_KEYOUT2, NULL);
694 gpio_request(GPIO_FN_KEYOUT3, NULL);
695 gpio_request(GPIO_FN_KEYOUT4, NULL);
696 gpio_request(GPIO_FN_KEYIN0_136, NULL);
697 gpio_request(GPIO_FN_KEYIN1_135, NULL);
698 gpio_request(GPIO_FN_KEYIN2_134, NULL);
699 gpio_request(GPIO_FN_KEYIN3_133, NULL);
700 gpio_request(GPIO_FN_KEYIN4, NULL);
703 gpio_request(GPIO_FN_SDHICD0, NULL);
704 gpio_request(GPIO_FN_SDHIWP0, NULL);
705 gpio_request(GPIO_FN_SDHICMD0, NULL);
706 gpio_request(GPIO_FN_SDHICLK0, NULL);
707 gpio_request(GPIO_FN_SDHID0_3, NULL);
708 gpio_request(GPIO_FN_SDHID0_2, NULL);
709 gpio_request(GPIO_FN_SDHID0_1, NULL);
710 gpio_request(GPIO_FN_SDHID0_0, NULL);
712 /* enable TouchScreen */
713 gpio_request(GPIO_FN_IRQ28_123, NULL);
714 set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
717 gpio_request(GPIO_FN_MMCD0_0, NULL);
718 gpio_request(GPIO_FN_MMCD0_1, NULL);
719 gpio_request(GPIO_FN_MMCD0_2, NULL);
720 gpio_request(GPIO_FN_MMCD0_3, NULL);
721 gpio_request(GPIO_FN_MMCD0_4, NULL);
722 gpio_request(GPIO_FN_MMCD0_5, NULL);
723 gpio_request(GPIO_FN_MMCD0_6, NULL);
724 gpio_request(GPIO_FN_MMCD0_7, NULL);
725 gpio_request(GPIO_FN_MMCCMD0, NULL);
726 gpio_request(GPIO_FN_MMCCLK0, NULL);
729 gpio_request(GPIO_FN_VBUS0_1, NULL);
730 gpio_request(GPIO_FN_IDIN_1_18, NULL);
731 gpio_request(GPIO_FN_PWEN_1_115, NULL);
732 gpio_request(GPIO_FN_OVCN_1_114, NULL);
733 gpio_request(GPIO_FN_EXTLP_1, NULL);
734 gpio_request(GPIO_FN_OVCN2_1, NULL);
737 __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
740 gpio_request(GPIO_FN_FSIAIBT, NULL);
741 gpio_request(GPIO_FN_FSIAILR, NULL);
742 gpio_request(GPIO_FN_FSIAISLD, NULL);
743 gpio_request(GPIO_FN_FSIAOSLD, NULL);
744 gpio_request(GPIO_PORT161, NULL);
745 gpio_direction_output(GPIO_PORT161, 0); /* slave */
747 gpio_request(GPIO_PORT9, NULL);
748 gpio_request(GPIO_PORT10, NULL);
749 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
750 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
752 /* set SPU2 clock to 119.6 MHz */
753 clk = clk_get(NULL, "spu_clk");
755 clk_set_rate(clk, clk_round_rate(clk, 119600000));
759 /* change parent of FSI A */
760 clk = clk_get(NULL, "fsia_clk");
762 clk_register(&fsiackcr_clk);
763 clk_set_parent(clk, &fsiackcr_clk);
768 * set irq priority, to avoid sound chopping
769 * when NFS rootfs is used
770 * FSI(3) > SMSC911X(2)
772 intc_set_priority(IRQ_FSI, 3);
774 i2c_register_board_info(0, i2c0_devices,
775 ARRAY_SIZE(i2c0_devices));
777 i2c_register_board_info(1, i2c1_devices,
778 ARRAY_SIZE(i2c1_devices));
781 gpio_request(GPIO_FN_SDHICMD1, NULL);
782 gpio_request(GPIO_FN_SDHICLK1, NULL);
783 gpio_request(GPIO_FN_SDHID1_3, NULL);
784 gpio_request(GPIO_FN_SDHID1_2, NULL);
785 gpio_request(GPIO_FN_SDHID1_1, NULL);
786 gpio_request(GPIO_FN_SDHID1_0, NULL);
788 sh7372_add_standard_devices();
790 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
793 static void __init ap4evb_timer_init(void)
796 shmobile_timer.init();
799 static struct sys_timer ap4evb_timer = {
800 .init = ap4evb_timer_init,
803 MACHINE_START(AP4EVB, "ap4evb")
804 .phys_io = 0xe6000000,
805 .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
806 .map_io = ap4evb_map_io,
807 .init_irq = sh7372_init_irq,
808 .init_machine = ap4evb_init,
809 .timer = &ap4evb_timer,