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setup.c
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1 /*
2  * Renesas System Solutions Asia Pte. Ltd - Migo-R
3  *
4  * Copyright (C) 2008 Magnus Damm
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License. See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10 #include <linux/init.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/mmc/host.h>
17 #include <linux/mtd/physmap.h>
18 #include <linux/mtd/nand.h>
19 #include <linux/i2c.h>
20 #include <linux/regulator/fixed.h>
22 #include <linux/smc91x.h>
23 #include <linux/delay.h>
24 #include <linux/clk.h>
25 #include <linux/gpio.h>
26 #include <linux/videodev2.h>
27 #include <linux/sh_intc.h>
28 #include <video/sh_mobile_lcdc.h>
29 #include <media/sh_mobile_ceu.h>
30 #include <media/ov772x.h>
31 #include <media/soc_camera.h>
32 #include <media/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 static struct smc91x_platdata smc91x_info = {
50 };
51 
52 static struct resource smc91x_eth_resources[] = {
53  [0] = {
54  .name = "SMC91C111" ,
55  .start = 0x10000300,
56  .end = 0x1000030f,
57  .flags = IORESOURCE_MEM,
58  },
59  [1] = {
60  .start = evt2irq(0x600), /* IRQ0 */
62  },
63 };
64 
65 static struct platform_device smc91x_eth_device = {
66  .name = "smc91x",
67  .num_resources = ARRAY_SIZE(smc91x_eth_resources),
68  .resource = smc91x_eth_resources,
69  .dev = {
70  .platform_data = &smc91x_info,
71  },
72 };
73 
74 static struct sh_keysc_info sh_keysc_info = {
75  .mode = SH_KEYSC_MODE_2, /* KEYOUT0->4, KEYIN1->5 */
76  .scan_timing = 3,
77  .delay = 5,
78  .keycodes = {
80  0, KEY_F, KEY_C, KEY_D, KEY_H, KEY_1,
81  0, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6,
82  0, KEY_7, KEY_8, KEY_9, KEY_S, KEY_0,
84  },
85 };
86 
87 static struct resource sh_keysc_resources[] = {
88  [0] = {
89  .start = 0x044b0000,
90  .end = 0x044b000f,
91  .flags = IORESOURCE_MEM,
92  },
93  [1] = {
94  .start = evt2irq(0xbe0),
95  .flags = IORESOURCE_IRQ,
96  },
97 };
98 
99 static struct platform_device sh_keysc_device = {
100  .name = "sh_keysc",
101  .id = 0, /* "keysc0" clock */
102  .num_resources = ARRAY_SIZE(sh_keysc_resources),
103  .resource = sh_keysc_resources,
104  .dev = {
105  .platform_data = &sh_keysc_info,
106  },
107 };
108 
109 static struct mtd_partition migor_nor_flash_partitions[] =
110 {
111  {
112  .name = "uboot",
113  .offset = 0,
114  .size = (1 * 1024 * 1024),
115  .mask_flags = MTD_WRITEABLE, /* Read-only */
116  },
117  {
118  .name = "rootfs",
119  .offset = MTDPART_OFS_APPEND,
120  .size = (15 * 1024 * 1024),
121  },
122  {
123  .name = "other",
124  .offset = MTDPART_OFS_APPEND,
125  .size = MTDPART_SIZ_FULL,
126  },
127 };
128 
129 static struct physmap_flash_data migor_nor_flash_data = {
130  .width = 2,
131  .parts = migor_nor_flash_partitions,
132  .nr_parts = ARRAY_SIZE(migor_nor_flash_partitions),
133 };
134 
135 static struct resource migor_nor_flash_resources[] = {
136  [0] = {
137  .name = "NOR Flash",
138  .start = 0x00000000,
139  .end = 0x03ffffff,
140  .flags = IORESOURCE_MEM,
141  }
142 };
143 
144 static struct platform_device migor_nor_flash_device = {
145  .name = "physmap-flash",
146  .resource = migor_nor_flash_resources,
147  .num_resources = ARRAY_SIZE(migor_nor_flash_resources),
148  .dev = {
149  .platform_data = &migor_nor_flash_data,
150  },
151 };
152 
153 static struct mtd_partition migor_nand_flash_partitions[] = {
154  {
155  .name = "nanddata1",
156  .offset = 0x0,
157  .size = 512 * 1024 * 1024,
158  },
159  {
160  .name = "nanddata2",
161  .offset = MTDPART_OFS_APPEND,
162  .size = 512 * 1024 * 1024,
163  },
164 };
165 
166 static void migor_nand_flash_cmd_ctl(struct mtd_info *mtd, int cmd,
167  unsigned int ctrl)
168 {
169  struct nand_chip *chip = mtd->priv;
170 
171  if (cmd == NAND_CMD_NONE)
172  return;
173 
174  if (ctrl & NAND_CLE)
175  writeb(cmd, chip->IO_ADDR_W + 0x00400000);
176  else if (ctrl & NAND_ALE)
177  writeb(cmd, chip->IO_ADDR_W + 0x00800000);
178  else
179  writeb(cmd, chip->IO_ADDR_W);
180 }
181 
182 static int migor_nand_flash_ready(struct mtd_info *mtd)
183 {
184  return gpio_get_value(GPIO_PTA1); /* NAND_RBn */
185 }
186 
187 static struct platform_nand_data migor_nand_flash_data = {
188  .chip = {
189  .nr_chips = 1,
190  .partitions = migor_nand_flash_partitions,
191  .nr_partitions = ARRAY_SIZE(migor_nand_flash_partitions),
192  .chip_delay = 20,
193  },
194  .ctrl = {
195  .dev_ready = migor_nand_flash_ready,
196  .cmd_ctrl = migor_nand_flash_cmd_ctl,
197  },
198 };
199 
200 static struct resource migor_nand_flash_resources[] = {
201  [0] = {
202  .name = "NAND Flash",
203  .start = 0x18000000,
204  .end = 0x18ffffff,
205  .flags = IORESOURCE_MEM,
206  },
207 };
208 
209 static struct platform_device migor_nand_flash_device = {
210  .name = "gen_nand",
211  .resource = migor_nand_flash_resources,
212  .num_resources = ARRAY_SIZE(migor_nand_flash_resources),
213  .dev = {
214  .platform_data = &migor_nand_flash_data,
215  }
216 };
217 
218 static const struct fb_videomode migor_lcd_modes[] = {
219  {
220 #if defined(CONFIG_SH_MIGOR_RTA_WVGA)
221  .name = "LB070WV1",
222  .xres = 800,
223  .yres = 480,
224  .left_margin = 64,
225  .right_margin = 16,
226  .hsync_len = 120,
227  .sync = 0,
228 #elif defined(CONFIG_SH_MIGOR_QVGA)
229  .name = "PH240320T",
230  .xres = 320,
231  .yres = 240,
232  .left_margin = 0,
233  .right_margin = 16,
234  .hsync_len = 8,
235  .sync = FB_SYNC_HOR_HIGH_ACT,
236 #endif
237  .upper_margin = 1,
238  .lower_margin = 17,
239  .vsync_len = 2,
240  },
241 };
242 
244 #if defined(CONFIG_SH_MIGOR_RTA_WVGA)
246  .ch[0] = {
247  .chan = LCDC_CHAN_MAINLCD,
248  .fourcc = V4L2_PIX_FMT_RGB565,
249  .interface_type = RGB16,
250  .clock_divider = 2,
251  .lcd_modes = migor_lcd_modes,
252  .num_modes = ARRAY_SIZE(migor_lcd_modes),
253  .panel_cfg = { /* 7.0 inch */
254  .width = 152,
255  .height = 91,
256  },
257  }
258 #elif defined(CONFIG_SH_MIGOR_QVGA)
259  .clock_source = LCDC_CLK_PERIPHERAL,
260  .ch[0] = {
261  .chan = LCDC_CHAN_MAINLCD,
262  .fourcc = V4L2_PIX_FMT_RGB565,
263  .interface_type = SYS16A,
264  .clock_divider = 10,
265  .lcd_modes = migor_lcd_modes,
266  .num_modes = ARRAY_SIZE(migor_lcd_modes),
267  .panel_cfg = {
268  .width = 49, /* 2.4 inch */
269  .height = 37,
270  .setup_sys = migor_lcd_qvga_setup,
271  },
272  .sys_bus_cfg = {
273  .ldmt2r = 0x06000a09,
274  .ldmt3r = 0x180e3418,
275  /* set 1s delay to encourage fsync() */
276  .deferred_io_msec = 1000,
277  },
278  }
279 #endif
280 };
281 
282 static struct resource migor_lcdc_resources[] = {
283  [0] = {
284  .name = "LCDC",
285  .start = 0xfe940000, /* P4-only space */
286  .end = 0xfe942fff,
287  .flags = IORESOURCE_MEM,
288  },
289  [1] = {
290  .start = evt2irq(0x580),
291  .flags = IORESOURCE_IRQ,
292  },
293 };
294 
295 static struct platform_device migor_lcdc_device = {
296  .name = "sh_mobile_lcdc_fb",
297  .num_resources = ARRAY_SIZE(migor_lcdc_resources),
298  .resource = migor_lcdc_resources,
299  .dev = {
300  .platform_data = &sh_mobile_lcdc_info,
301  },
302 };
303 
304 static struct clk *camera_clk;
305 static DEFINE_MUTEX(camera_lock);
306 
307 static void camera_power_on(int is_tw)
308 {
309  mutex_lock(&camera_lock);
310 
311  /* Use 10 MHz VIO_CKO instead of 24 MHz to work
312  * around signal quality issues on Panel Board V2.1.
313  */
314  camera_clk = clk_get(NULL, "video_clk");
315  clk_set_rate(camera_clk, 10000000);
316  clk_enable(camera_clk); /* start VIO_CKO */
317 
318  /* use VIO_RST to take camera out of reset */
319  mdelay(10);
320  if (is_tw) {
323  } else {
325  }
327  mdelay(10);
329  mdelay(10); /* wait to let chip come out of reset */
330 }
331 
332 static void camera_power_off(void)
333 {
334  clk_disable(camera_clk); /* stop VIO_CKO */
335  clk_put(camera_clk);
336 
338  mutex_unlock(&camera_lock);
339 }
340 
341 static int ov7725_power(struct device *dev, int mode)
342 {
343  if (mode)
344  camera_power_on(0);
345  else
346  camera_power_off();
347 
348  return 0;
349 }
350 
351 static int tw9910_power(struct device *dev, int mode)
352 {
353  if (mode)
354  camera_power_on(1);
355  else
356  camera_power_off();
357 
358  return 0;
359 }
360 
361 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
363 };
364 
365 static struct resource migor_ceu_resources[] = {
366  [0] = {
367  .name = "CEU",
368  .start = 0xfe910000,
369  .end = 0xfe91009f,
370  .flags = IORESOURCE_MEM,
371  },
372  [1] = {
373  .start = evt2irq(0x880),
374  .flags = IORESOURCE_IRQ,
375  },
376  [2] = {
377  /* place holder for contiguous memory */
378  },
379 };
380 
381 static struct platform_device migor_ceu_device = {
382  .name = "sh_mobile_ceu",
383  .id = 0, /* "ceu0" clock */
384  .num_resources = ARRAY_SIZE(migor_ceu_resources),
385  .resource = migor_ceu_resources,
386  .dev = {
387  .platform_data = &sh_mobile_ceu_info,
388  },
389 };
390 
391 /* Fixed 3.3V regulator to be used by SDHI0 */
392 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
393 {
394  REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
395  REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
396 };
397 
398 static struct resource sdhi_cn9_resources[] = {
399  [0] = {
400  .name = "SDHI",
401  .start = 0x04ce0000,
402  .end = 0x04ce00ff,
403  .flags = IORESOURCE_MEM,
404  },
405  [1] = {
406  .start = evt2irq(0xe80),
407  .flags = IORESOURCE_IRQ,
408  },
409 };
410 
411 static struct sh_mobile_sdhi_info sh7724_sdhi_data = {
412  .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
413  .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
414  .tmio_caps = MMC_CAP_SDIO_IRQ,
415 };
416 
417 static struct platform_device sdhi_cn9_device = {
418  .name = "sh_mobile_sdhi",
419  .num_resources = ARRAY_SIZE(sdhi_cn9_resources),
420  .resource = sdhi_cn9_resources,
421  .dev = {
422  .platform_data = &sh7724_sdhi_data,
423  },
424 };
425 
426 static struct i2c_board_info migor_i2c_devices[] = {
427  {
428  I2C_BOARD_INFO("rs5c372b", 0x32),
429  },
430  {
431  I2C_BOARD_INFO("migor_ts", 0x51),
432  .irq = evt2irq(0x6c0), /* IRQ6 */
433  },
434  {
435  I2C_BOARD_INFO("wm8978", 0x1a),
436  },
437 };
438 
439 static struct i2c_board_info migor_i2c_camera[] = {
440  {
441  I2C_BOARD_INFO("ov772x", 0x21),
442  },
443  {
444  I2C_BOARD_INFO("tw9910", 0x45),
445  },
446 };
447 
448 static struct ov772x_camera_info ov7725_info;
449 
450 static struct soc_camera_link ov7725_link = {
451  .power = ov7725_power,
452  .board_info = &migor_i2c_camera[0],
453  .i2c_adapter_id = 0,
454  .priv = &ov7725_info,
455 };
456 
457 static struct tw9910_video_info tw9910_info = {
458  .buswidth = SOCAM_DATAWIDTH_8,
459  .mpout = TW9910_MPO_FIELD,
460 };
461 
462 static struct soc_camera_link tw9910_link = {
463  .power = tw9910_power,
464  .board_info = &migor_i2c_camera[1],
465  .i2c_adapter_id = 0,
466  .priv = &tw9910_info,
467 };
468 
469 static struct platform_device migor_camera[] = {
470  {
471  .name = "soc-camera-pdrv",
472  .id = 0,
473  .dev = {
474  .platform_data = &ov7725_link,
475  },
476  }, {
477  .name = "soc-camera-pdrv",
478  .id = 1,
479  .dev = {
480  .platform_data = &tw9910_link,
481  },
482  },
483 };
484 
485 static struct platform_device *migor_devices[] __initdata = {
486  &smc91x_eth_device,
487  &sh_keysc_device,
488  &migor_lcdc_device,
489  &migor_ceu_device,
490  &migor_nor_flash_device,
491  &migor_nand_flash_device,
492  &sdhi_cn9_device,
493  &migor_camera[0],
494  &migor_camera[1],
495 };
496 
497 extern char migor_sdram_enter_start;
498 extern char migor_sdram_enter_end;
499 extern char migor_sdram_leave_start;
500 extern char migor_sdram_leave_end;
501 
502 static int __init migor_devices_setup(void)
503 {
504  /* register board specific self-refresh code */
506  &migor_sdram_enter_start,
507  &migor_sdram_enter_end,
508  &migor_sdram_leave_start,
509  &migor_sdram_leave_end);
510 
511  regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
512  ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
513 
514  /* Let D11 LED show STATUS0 */
516 
517  /* Lit D12 LED show PDSTATUS */
519 
520  /* SMC91C111 - Enable IRQ0, Setup CS4 for 16-bit fast access */
522  __raw_writel(0x00003400, BSC_CS4BCR);
523  __raw_writel(0x00110080, BSC_CS4WCR);
524 
525  /* KEYSC */
536 
537  /* NAND Flash */
539  __raw_writel((__raw_readl(BSC_CS6ABCR) & ~0x0600) | 0x0200, BSC_CS6ABCR);
542 
543  /* SDHI */
552 
553  /* Touch Panel */
555 
556  /* LCD Panel */
557 #ifdef CONFIG_SH_MIGOR_QVGA /* LCDC - QVGA - Enable SYS Interface signals */
578  gpio_request(GPIO_PTH2, NULL); /* LCD_DON */
580 #endif
581 #ifdef CONFIG_SH_MIGOR_RTA_WVGA /* LCDC - WVGA - Enable RGB Interface signals */
606 #endif
607 
608  /* CEU */
622 
623  gpio_request(GPIO_PTT3, NULL); /* VIO_RST */
625  gpio_request(GPIO_PTT2, NULL); /* TV_IN_EN */
627  gpio_request(GPIO_PTT0, NULL); /* CAM_EN */
628 #ifdef CONFIG_SH_MIGOR_RTA_WVGA
630 #else
632 #endif
633  __raw_writew(__raw_readw(PORT_MSELCRB) | 0x2000, PORT_MSELCRB); /* D15->D8 */
634 
635  platform_resource_setup_memory(&migor_ceu_device, "ceu", 4 << 20);
636 
637  /* SIU: Port B */
643 
644  /*
645  * The original driver sets SIUB OLR/OBT, ILR/IBT, and SIUA OLR/OBT to
646  * output. Need only SIUB, set to output for master mode (table 34.2)
647  */
649 
650  i2c_register_board_info(0, migor_i2c_devices,
651  ARRAY_SIZE(migor_i2c_devices));
652 
653  return platform_add_devices(migor_devices, ARRAY_SIZE(migor_devices));
654 }
655 arch_initcall(migor_devices_setup);
656 
657 /* Return the board specific boot mode pin configuration */
658 static int migor_mode_pins(void)
659 {
660  /* MD0=1, MD1=1, MD2=0: Clock Mode 3
661  * MD3=0: 16-bit Area0 Bus Width
662  * MD5=1: Little Endian
663  * TSTMD=1, MD8=0: Test Mode Disabled
664  */
665  return MODE_PIN0 | MODE_PIN1 | MODE_PIN5;
666 }
667 
668 /*
669  * The Machine Vector
670  */
671 static struct sh_machine_vector mv_migor __initmv = {
672  .mv_name = "Migo-R",
673  .mv_mode_pins = migor_mode_pins,
674 };