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TOMOYO Linux Cross Reference
Linux/arch/sh/boards/mach-migor/setup.c

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  1 // SPDX-License-Identifier: GPL-2.0
  2 /*
  3  * Renesas System Solutions Asia Pte. Ltd - Migo-R
  4  *
  5  * Copyright (C) 2008 Magnus Damm
  6  */
  7 #include <linux/clkdev.h>
  8 #include <linux/dma-map-ops.h>
  9 #include <linux/init.h>
 10 #include <linux/platform_data/tmio.h>
 11 #include <linux/platform_device.h>
 12 #include <linux/interrupt.h>
 13 #include <linux/input.h>
 14 #include <linux/input/sh_keysc.h>
 15 #include <linux/memblock.h>
 16 #include <linux/mmc/host.h>
 17 #include <linux/mtd/physmap.h>
 18 #include <linux/mtd/platnand.h>
 19 #include <linux/i2c.h>
 20 #include <linux/regulator/fixed.h>
 21 #include <linux/regulator/machine.h>
 22 #include <linux/smc91x.h>
 23 #include <linux/delay.h>
 24 #include <linux/clk.h>
 25 #include <linux/gpio.h>
 26 #include <linux/gpio/machine.h>
 27 #include <linux/videodev2.h>
 28 #include <linux/sh_intc.h>
 29 #include <video/sh_mobile_lcdc.h>
 30 #include <media/drv-intf/renesas-ceu.h>
 31 #include <media/i2c/ov772x.h>
 32 #include <media/i2c/tw9910.h>
 33 #include <asm/clock.h>
 34 #include <asm/machvec.h>
 35 #include <asm/io.h>
 36 #include <asm/suspend.h>
 37 #include <mach/migor.h>
 38 #include <cpu/sh7722.h>
 39 
 40 /* Address     IRQ  Size  Bus  Description
 41  * 0x00000000       64MB  16   NOR Flash (SP29PL256N)
 42  * 0x0c000000       64MB  64   SDRAM (2xK4M563233G)
 43  * 0x10000000  IRQ0       16   Ethernet (SMC91C111)
 44  * 0x14000000  IRQ4       16   USB 2.0 Host Controller (M66596)
 45  * 0x18000000       8GB    8   NAND Flash (K9K8G08U0A)
 46  */
 47 
 48 #define CEU_BUFFER_MEMORY_SIZE          (4 << 20)
 49 static phys_addr_t ceu_dma_membase;
 50 
 51 static struct smc91x_platdata smc91x_info = {
 52         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 53 };
 54 
 55 static struct resource smc91x_eth_resources[] = {
 56         [0] = {
 57                 .name   = "SMC91C111" ,
 58                 .start  = 0x10000300,
 59                 .end    = 0x1000030f,
 60                 .flags  = IORESOURCE_MEM,
 61         },
 62         [1] = {
 63                 .start  = evt2irq(0x600), /* IRQ0 */
 64                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 65         },
 66 };
 67 
 68 static struct platform_device smc91x_eth_device = {
 69         .name           = "smc91x",
 70         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
 71         .resource       = smc91x_eth_resources,
 72         .dev    = {
 73                 .platform_data  = &smc91x_info,
 74         },
 75 };
 76 
 77 static struct sh_keysc_info sh_keysc_info = {
 78         .mode = SH_KEYSC_MODE_2, /* KEYOUT0->4, KEYIN1->5 */
 79         .scan_timing = 3,
 80         .delay = 5,
 81         .keycodes = {
 82                 0, KEY_UP, KEY_DOWN, KEY_LEFT, KEY_RIGHT, KEY_ENTER,
 83                 0, KEY_F, KEY_C, KEY_D, KEY_H, KEY_1,
 84                 0, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6,
 85                 0, KEY_7, KEY_8, KEY_9, KEY_S, KEY_0,
 86                 0, KEY_P, KEY_STOP, KEY_REWIND, KEY_PLAY, KEY_FASTFORWARD,
 87         },
 88 };
 89 
 90 static struct resource sh_keysc_resources[] = {
 91         [0] = {
 92                 .start  = 0x044b0000,
 93                 .end    = 0x044b000f,
 94                 .flags  = IORESOURCE_MEM,
 95         },
 96         [1] = {
 97                 .start  = evt2irq(0xbe0),
 98                 .flags  = IORESOURCE_IRQ,
 99         },
100 };
101 
102 static struct platform_device sh_keysc_device = {
103         .name           = "sh_keysc",
104         .id             = 0, /* "keysc0" clock */
105         .num_resources  = ARRAY_SIZE(sh_keysc_resources),
106         .resource       = sh_keysc_resources,
107         .dev    = {
108                 .platform_data  = &sh_keysc_info,
109         },
110 };
111 
112 static struct mtd_partition migor_nor_flash_partitions[] =
113 {
114         {
115                 .name = "uboot",
116                 .offset = 0,
117                 .size = (1 * 1024 * 1024),
118                 .mask_flags = MTD_WRITEABLE,    /* Read-only */
119         },
120         {
121                 .name = "rootfs",
122                 .offset = MTDPART_OFS_APPEND,
123                 .size = (15 * 1024 * 1024),
124         },
125         {
126                 .name = "other",
127                 .offset = MTDPART_OFS_APPEND,
128                 .size = MTDPART_SIZ_FULL,
129         },
130 };
131 
132 static struct physmap_flash_data migor_nor_flash_data = {
133         .width          = 2,
134         .parts          = migor_nor_flash_partitions,
135         .nr_parts       = ARRAY_SIZE(migor_nor_flash_partitions),
136 };
137 
138 static struct resource migor_nor_flash_resources[] = {
139         [0] = {
140                 .name           = "NOR Flash",
141                 .start          = 0x00000000,
142                 .end            = 0x03ffffff,
143                 .flags          = IORESOURCE_MEM,
144         }
145 };
146 
147 static struct platform_device migor_nor_flash_device = {
148         .name           = "physmap-flash",
149         .resource       = migor_nor_flash_resources,
150         .num_resources  = ARRAY_SIZE(migor_nor_flash_resources),
151         .dev            = {
152                 .platform_data = &migor_nor_flash_data,
153         },
154 };
155 
156 static struct mtd_partition migor_nand_flash_partitions[] = {
157         {
158                 .name           = "nanddata1",
159                 .offset         = 0x0,
160                 .size           = 512 * 1024 * 1024,
161         },
162         {
163                 .name           = "nanddata2",
164                 .offset         = MTDPART_OFS_APPEND,
165                 .size           = 512 * 1024 * 1024,
166         },
167 };
168 
169 static void migor_nand_flash_cmd_ctl(struct nand_chip *chip, int cmd,
170                                      unsigned int ctrl)
171 {
172         if (cmd == NAND_CMD_NONE)
173                 return;
174 
175         if (ctrl & NAND_CLE)
176                 writeb(cmd, chip->legacy.IO_ADDR_W + 0x00400000);
177         else if (ctrl & NAND_ALE)
178                 writeb(cmd, chip->legacy.IO_ADDR_W + 0x00800000);
179         else
180                 writeb(cmd, chip->legacy.IO_ADDR_W);
181 }
182 
183 static int migor_nand_flash_ready(struct nand_chip *chip)
184 {
185         return gpio_get_value(GPIO_PTA1); /* NAND_RBn */
186 }
187 
188 static struct platform_nand_data migor_nand_flash_data = {
189         .chip = {
190                 .nr_chips = 1,
191                 .partitions = migor_nand_flash_partitions,
192                 .nr_partitions = ARRAY_SIZE(migor_nand_flash_partitions),
193                 .chip_delay = 20,
194         },
195         .ctrl = {
196                 .dev_ready = migor_nand_flash_ready,
197                 .cmd_ctrl = migor_nand_flash_cmd_ctl,
198         },
199 };
200 
201 static struct resource migor_nand_flash_resources[] = {
202         [0] = {
203                 .name           = "NAND Flash",
204                 .start          = 0x18000000,
205                 .end            = 0x18ffffff,
206                 .flags          = IORESOURCE_MEM,
207         },
208 };
209 
210 static struct platform_device migor_nand_flash_device = {
211         .name           = "gen_nand",
212         .resource       = migor_nand_flash_resources,
213         .num_resources  = ARRAY_SIZE(migor_nand_flash_resources),
214         .dev            = {
215                 .platform_data = &migor_nand_flash_data,
216         }
217 };
218 
219 static const struct fb_videomode migor_lcd_modes[] = {
220         {
221 #if defined(CONFIG_SH_MIGOR_RTA_WVGA)
222                 .name = "LB070WV1",
223                 .xres = 800,
224                 .yres = 480,
225                 .left_margin = 64,
226                 .right_margin = 16,
227                 .hsync_len = 120,
228                 .sync = 0,
229 #elif defined(CONFIG_SH_MIGOR_QVGA)
230                 .name = "PH240320T",
231                 .xres = 320,
232                 .yres = 240,
233                 .left_margin = 0,
234                 .right_margin = 16,
235                 .hsync_len = 8,
236                 .sync = FB_SYNC_HOR_HIGH_ACT,
237 #endif
238                 .upper_margin = 1,
239                 .lower_margin = 17,
240                 .vsync_len = 2,
241         },
242 };
243 
244 static struct sh_mobile_lcdc_info sh_mobile_lcdc_info = {
245 #if defined(CONFIG_SH_MIGOR_RTA_WVGA)
246         .clock_source = LCDC_CLK_BUS,
247         .ch[0] = {
248                 .chan = LCDC_CHAN_MAINLCD,
249                 .fourcc = V4L2_PIX_FMT_RGB565,
250                 .interface_type = RGB16,
251                 .clock_divider = 2,
252                 .lcd_modes = migor_lcd_modes,
253                 .num_modes = ARRAY_SIZE(migor_lcd_modes),
254                 .panel_cfg = { /* 7.0 inch */
255                         .width = 152,
256                         .height = 91,
257                 },
258         }
259 #elif defined(CONFIG_SH_MIGOR_QVGA)
260         .clock_source = LCDC_CLK_PERIPHERAL,
261         .ch[0] = {
262                 .chan = LCDC_CHAN_MAINLCD,
263                 .fourcc = V4L2_PIX_FMT_RGB565,
264                 .interface_type = SYS16A,
265                 .clock_divider = 10,
266                 .lcd_modes = migor_lcd_modes,
267                 .num_modes = ARRAY_SIZE(migor_lcd_modes),
268                 .panel_cfg = {
269                         .width = 49,    /* 2.4 inch */
270                         .height = 37,
271                         .setup_sys = migor_lcd_qvga_setup,
272                 },
273                 .sys_bus_cfg = {
274                         .ldmt2r = 0x06000a09,
275                         .ldmt3r = 0x180e3418,
276                         /* set 1s delay to encourage fsync() */
277                         .deferred_io_msec = 1000,
278                 },
279         }
280 #endif
281 };
282 
283 static struct resource migor_lcdc_resources[] = {
284         [0] = {
285                 .name   = "LCDC",
286                 .start  = 0xfe940000, /* P4-only space */
287                 .end    = 0xfe942fff,
288                 .flags  = IORESOURCE_MEM,
289         },
290         [1] = {
291                 .start  = evt2irq(0x580),
292                 .flags  = IORESOURCE_IRQ,
293         },
294 };
295 
296 static struct platform_device migor_lcdc_device = {
297         .name           = "sh_mobile_lcdc_fb",
298         .num_resources  = ARRAY_SIZE(migor_lcdc_resources),
299         .resource       = migor_lcdc_resources,
300         .dev    = {
301                 .platform_data  = &sh_mobile_lcdc_info,
302         },
303 };
304 
305 static struct ceu_platform_data ceu_pdata = {
306         .num_subdevs                    = 2,
307         .subdevs = {
308                 { /* [0] = ov772x */
309                         .flags          = 0,
310                         .bus_width      = 8,
311                         .bus_shift      = 0,
312                         .i2c_adapter_id = 0,
313                         .i2c_address    = 0x21,
314                 },
315                 { /* [1] = tw9910 */
316                         .flags          = 0,
317                         .bus_width      = 8,
318                         .bus_shift      = 0,
319                         .i2c_adapter_id = 0,
320                         .i2c_address    = 0x45,
321                 },
322         },
323 };
324 
325 static struct resource migor_ceu_resources[] = {
326         [0] = {
327                 .name   = "CEU",
328                 .start  = 0xfe910000,
329                 .end    = 0xfe91009f,
330                 .flags  = IORESOURCE_MEM,
331         },
332         [1] = {
333                 .start  = evt2irq(0x880),
334                 .flags  = IORESOURCE_IRQ,
335         },
336 };
337 
338 static struct platform_device migor_ceu_device = {
339         .name           = "renesas-ceu",
340         .id             = 0, /* ceu.0 */
341         .num_resources  = ARRAY_SIZE(migor_ceu_resources),
342         .resource       = migor_ceu_resources,
343         .dev    = {
344                 .platform_data  = &ceu_pdata,
345         },
346 };
347 
348 /* Powerdown/reset gpios for CEU image sensors */
349 static struct gpiod_lookup_table ov7725_gpios = {
350         .dev_id         = "0-0021",
351         .table          = {
352                 GPIO_LOOKUP("sh7722_pfc", GPIO_PTT0, "powerdown",
353                             GPIO_ACTIVE_HIGH),
354                 GPIO_LOOKUP("sh7722_pfc", GPIO_PTT3, "reset", GPIO_ACTIVE_LOW),
355         },
356 };
357 
358 static struct gpiod_lookup_table tw9910_gpios = {
359         .dev_id         = "0-0045",
360         .table          = {
361                 GPIO_LOOKUP("sh7722_pfc", GPIO_PTT2, "pdn", GPIO_ACTIVE_LOW),
362                 GPIO_LOOKUP("sh7722_pfc", GPIO_PTT3, "rstb", GPIO_ACTIVE_LOW),
363         },
364 };
365 
366 /* Fixed 3.3V regulator to be used by SDHI0 */
367 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
368 {
369         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
370         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
371 };
372 
373 static struct resource sdhi_cn9_resources[] = {
374         [0] = {
375                 .name   = "SDHI",
376                 .start  = 0x04ce0000,
377                 .end    = 0x04ce00ff,
378                 .flags  = IORESOURCE_MEM,
379         },
380         [1] = {
381                 .start  = evt2irq(0xe80),
382                 .flags  = IORESOURCE_IRQ,
383         },
384 };
385 
386 static struct tmio_mmc_data sh7724_sdhi_data = {
387         .chan_priv_tx   = (void *)SHDMA_SLAVE_SDHI0_TX,
388         .chan_priv_rx   = (void *)SHDMA_SLAVE_SDHI0_RX,
389         .capabilities   = MMC_CAP_SDIO_IRQ,
390 };
391 
392 static struct platform_device sdhi_cn9_device = {
393         .name           = "sh_mobile_sdhi",
394         .num_resources  = ARRAY_SIZE(sdhi_cn9_resources),
395         .resource       = sdhi_cn9_resources,
396         .dev = {
397                 .platform_data  = &sh7724_sdhi_data,
398         },
399 };
400 
401 static struct ov772x_camera_info ov7725_info = {
402         .flags          = 0,
403 };
404 
405 static struct tw9910_video_info tw9910_info = {
406         .buswidth       = 8,
407         .mpout          = TW9910_MPO_FIELD,
408 };
409 
410 static struct i2c_board_info migor_i2c_devices[] = {
411         {
412                 I2C_BOARD_INFO("rs5c372b", 0x32),
413         },
414         {
415                 I2C_BOARD_INFO("migor_ts", 0x51),
416                 .irq = evt2irq(0x6c0), /* IRQ6 */
417         },
418         {
419                 I2C_BOARD_INFO("wm8978", 0x1a),
420         },
421         {
422                 I2C_BOARD_INFO("ov772x", 0x21),
423                 .platform_data = &ov7725_info,
424         },
425         {
426                 I2C_BOARD_INFO("tw9910", 0x45),
427                 .platform_data = &tw9910_info,
428         },
429 };
430 
431 static struct platform_device *migor_devices[] __initdata = {
432         &smc91x_eth_device,
433         &sh_keysc_device,
434         &migor_lcdc_device,
435         &migor_nor_flash_device,
436         &migor_nand_flash_device,
437         &sdhi_cn9_device,
438 };
439 
440 extern char migor_sdram_enter_start;
441 extern char migor_sdram_enter_end;
442 extern char migor_sdram_leave_start;
443 extern char migor_sdram_leave_end;
444 
445 static int __init migor_devices_setup(void)
446 {
447         struct clk *video_clk;
448 
449         /* register board specific self-refresh code */
450         sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
451                                         &migor_sdram_enter_start,
452                                         &migor_sdram_enter_end,
453                                         &migor_sdram_leave_start,
454                                         &migor_sdram_leave_end);
455 
456         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
457                                      ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
458 
459         /* Let D11 LED show STATUS0 */
460         gpio_request(GPIO_FN_STATUS0, NULL);
461 
462         /* Lit D12 LED show PDSTATUS */
463         gpio_request(GPIO_FN_PDSTATUS, NULL);
464 
465         /* SMC91C111 - Enable IRQ0, Setup CS4 for 16-bit fast access */
466         gpio_request(GPIO_FN_IRQ0, NULL);
467         __raw_writel(0x00003400, BSC_CS4BCR);
468         __raw_writel(0x00110080, BSC_CS4WCR);
469 
470         /* KEYSC */
471         gpio_request(GPIO_FN_KEYOUT0, NULL);
472         gpio_request(GPIO_FN_KEYOUT1, NULL);
473         gpio_request(GPIO_FN_KEYOUT2, NULL);
474         gpio_request(GPIO_FN_KEYOUT3, NULL);
475         gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
476         gpio_request(GPIO_FN_KEYIN1, NULL);
477         gpio_request(GPIO_FN_KEYIN2, NULL);
478         gpio_request(GPIO_FN_KEYIN3, NULL);
479         gpio_request(GPIO_FN_KEYIN4, NULL);
480         gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
481 
482         /* NAND Flash */
483         gpio_request(GPIO_FN_CS6A_CE2B, NULL);
484         __raw_writel((__raw_readl(BSC_CS6ABCR) & ~0x0600) | 0x0200, BSC_CS6ABCR);
485         gpio_request(GPIO_PTA1, NULL);
486         gpio_direction_input(GPIO_PTA1);
487 
488         /* SDHI */
489         gpio_request(GPIO_FN_SDHICD, NULL);
490         gpio_request(GPIO_FN_SDHIWP, NULL);
491         gpio_request(GPIO_FN_SDHID3, NULL);
492         gpio_request(GPIO_FN_SDHID2, NULL);
493         gpio_request(GPIO_FN_SDHID1, NULL);
494         gpio_request(GPIO_FN_SDHID0, NULL);
495         gpio_request(GPIO_FN_SDHICMD, NULL);
496         gpio_request(GPIO_FN_SDHICLK, NULL);
497 
498         /* Touch Panel */
499         gpio_request(GPIO_FN_IRQ6, NULL);
500 
501         /* LCD Panel */
502 #ifdef CONFIG_SH_MIGOR_QVGA /* LCDC - QVGA - Enable SYS Interface signals */
503         gpio_request(GPIO_FN_LCDD17, NULL);
504         gpio_request(GPIO_FN_LCDD16, NULL);
505         gpio_request(GPIO_FN_LCDD15, NULL);
506         gpio_request(GPIO_FN_LCDD14, NULL);
507         gpio_request(GPIO_FN_LCDD13, NULL);
508         gpio_request(GPIO_FN_LCDD12, NULL);
509         gpio_request(GPIO_FN_LCDD11, NULL);
510         gpio_request(GPIO_FN_LCDD10, NULL);
511         gpio_request(GPIO_FN_LCDD8, NULL);
512         gpio_request(GPIO_FN_LCDD7, NULL);
513         gpio_request(GPIO_FN_LCDD6, NULL);
514         gpio_request(GPIO_FN_LCDD5, NULL);
515         gpio_request(GPIO_FN_LCDD4, NULL);
516         gpio_request(GPIO_FN_LCDD3, NULL);
517         gpio_request(GPIO_FN_LCDD2, NULL);
518         gpio_request(GPIO_FN_LCDD1, NULL);
519         gpio_request(GPIO_FN_LCDRS, NULL);
520         gpio_request(GPIO_FN_LCDCS, NULL);
521         gpio_request(GPIO_FN_LCDRD, NULL);
522         gpio_request(GPIO_FN_LCDWR, NULL);
523         gpio_request(GPIO_PTH2, NULL); /* LCD_DON */
524         gpio_direction_output(GPIO_PTH2, 1);
525 #endif
526 #ifdef CONFIG_SH_MIGOR_RTA_WVGA /* LCDC - WVGA - Enable RGB Interface signals */
527         gpio_request(GPIO_FN_LCDD15, NULL);
528         gpio_request(GPIO_FN_LCDD14, NULL);
529         gpio_request(GPIO_FN_LCDD13, NULL);
530         gpio_request(GPIO_FN_LCDD12, NULL);
531         gpio_request(GPIO_FN_LCDD11, NULL);
532         gpio_request(GPIO_FN_LCDD10, NULL);
533         gpio_request(GPIO_FN_LCDD9, NULL);
534         gpio_request(GPIO_FN_LCDD8, NULL);
535         gpio_request(GPIO_FN_LCDD7, NULL);
536         gpio_request(GPIO_FN_LCDD6, NULL);
537         gpio_request(GPIO_FN_LCDD5, NULL);
538         gpio_request(GPIO_FN_LCDD4, NULL);
539         gpio_request(GPIO_FN_LCDD3, NULL);
540         gpio_request(GPIO_FN_LCDD2, NULL);
541         gpio_request(GPIO_FN_LCDD1, NULL);
542         gpio_request(GPIO_FN_LCDD0, NULL);
543         gpio_request(GPIO_FN_LCDLCLK, NULL);
544         gpio_request(GPIO_FN_LCDDCK, NULL);
545         gpio_request(GPIO_FN_LCDVEPWC, NULL);
546         gpio_request(GPIO_FN_LCDVCPWC, NULL);
547         gpio_request(GPIO_FN_LCDVSYN, NULL);
548         gpio_request(GPIO_FN_LCDHSYN, NULL);
549         gpio_request(GPIO_FN_LCDDISP, NULL);
550         gpio_request(GPIO_FN_LCDDON, NULL);
551 #endif
552 
553         /* CEU */
554         gpio_request(GPIO_FN_VIO_CLK2, NULL);
555         gpio_request(GPIO_FN_VIO_VD2, NULL);
556         gpio_request(GPIO_FN_VIO_HD2, NULL);
557         gpio_request(GPIO_FN_VIO_FLD, NULL);
558         gpio_request(GPIO_FN_VIO_CKO, NULL);
559         gpio_request(GPIO_FN_VIO_D15, NULL);
560         gpio_request(GPIO_FN_VIO_D14, NULL);
561         gpio_request(GPIO_FN_VIO_D13, NULL);
562         gpio_request(GPIO_FN_VIO_D12, NULL);
563         gpio_request(GPIO_FN_VIO_D11, NULL);
564         gpio_request(GPIO_FN_VIO_D10, NULL);
565         gpio_request(GPIO_FN_VIO_D9, NULL);
566         gpio_request(GPIO_FN_VIO_D8, NULL);
567 
568         __raw_writew(__raw_readw(PORT_MSELCRB) | 0x2000, PORT_MSELCRB); /* D15->D8 */
569 
570         /* SIU: Port B */
571         gpio_request(GPIO_FN_SIUBOLR, NULL);
572         gpio_request(GPIO_FN_SIUBOBT, NULL);
573         gpio_request(GPIO_FN_SIUBISLD, NULL);
574         gpio_request(GPIO_FN_SIUBOSLD, NULL);
575         gpio_request(GPIO_FN_SIUMCKB, NULL);
576 
577         /*
578          * The original driver sets SIUB OLR/OBT, ILR/IBT, and SIUA OLR/OBT to
579          * output. Need only SIUB, set to output for master mode (table 34.2)
580          */
581         __raw_writew(__raw_readw(PORT_MSELCRA) | 1, PORT_MSELCRA);
582 
583          /*
584           * Use 10 MHz VIO_CKO instead of 24 MHz to work around signal quality
585           * issues on Panel Board V2.1.
586           */
587         video_clk = clk_get(NULL, "video_clk");
588         if (!IS_ERR(video_clk)) {
589                 clk_set_rate(video_clk, clk_round_rate(video_clk, 10000000));
590                 clk_put(video_clk);
591         }
592 
593         /* Add a clock alias for ov7725 xclk source. */
594         clk_add_alias(NULL, "0-0021", "video_clk", NULL);
595 
596         /* Register GPIOs for video sources. */
597         gpiod_add_lookup_table(&ov7725_gpios);
598         gpiod_add_lookup_table(&tw9910_gpios);
599 
600         i2c_register_board_info(0, migor_i2c_devices,
601                                 ARRAY_SIZE(migor_i2c_devices));
602 
603         /* Initialize CEU platform device separately to map memory first */
604         device_initialize(&migor_ceu_device.dev);
605         dma_declare_coherent_memory(&migor_ceu_device.dev,
606                         ceu_dma_membase, ceu_dma_membase,
607                         CEU_BUFFER_MEMORY_SIZE);
608 
609         platform_device_add(&migor_ceu_device);
610 
611         return platform_add_devices(migor_devices, ARRAY_SIZE(migor_devices));
612 }
613 arch_initcall(migor_devices_setup);
614 
615 /* Return the board specific boot mode pin configuration */
616 static int migor_mode_pins(void)
617 {
618         /* MD0=1, MD1=1, MD2=0: Clock Mode 3
619          * MD3=0: 16-bit Area0 Bus Width
620          * MD5=1: Little Endian
621          * TSTMD=1, MD8=0: Test Mode Disabled
622          */
623         return MODE_PIN0 | MODE_PIN1 | MODE_PIN5;
624 }
625 
626 /* Reserve a portion of memory for CEU buffers */
627 static void __init migor_mv_mem_reserve(void)
628 {
629         phys_addr_t phys;
630         phys_addr_t size = CEU_BUFFER_MEMORY_SIZE;
631 
632         phys = memblock_phys_alloc(size, PAGE_SIZE);
633         if (!phys)
634                 panic("Failed to allocate CEU memory\n");
635 
636         memblock_phys_free(phys, size);
637         memblock_remove(phys, size);
638 
639         ceu_dma_membase = phys;
640 }
641 
642 /*
643  * The Machine Vector
644  */
645 static struct sh_machine_vector mv_migor __initmv = {
646         .mv_name                = "Migo-R",
647         .mv_mode_pins           = migor_mode_pins,
648         .mv_mem_reserve         = migor_mv_mem_reserve,
649 };
650 

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