1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * KFR2R09 board support code
4 *
5 * Copyright (C) 2009 Magnus Damm
6 */
7
8 #include <asm/clock.h>
9 #include <asm/io.h>
10 #include <asm/machvec.h>
11 #include <asm/suspend.h>
12
13 #include <cpu/sh7724.h>
14
15 #include <linux/clkdev.h>
16 #include <linux/delay.h>
17 #include <linux/gpio.h>
18 #include <linux/gpio/machine.h>
19 #include <linux/i2c.h>
20 #include <linux/init.h>
21 #include <linux/input.h>
22 #include <linux/input/sh_keysc.h>
23 #include <linux/interrupt.h>
24 #include <linux/memblock.h>
25 #include <linux/mmc/host.h>
26 #include <linux/mtd/physmap.h>
27 #include <linux/platform_data/lv5207lp.h>
28 #include <linux/platform_data/tmio.h>
29 #include <linux/platform_device.h>
30 #include <linux/regulator/fixed.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/sh_intc.h>
33 #include <linux/usb/r8a66597.h>
34 #include <linux/videodev2.h>
35 #include <linux/dma-map-ops.h>
36
37 #include <mach/kfr2r09.h>
38
39 #include <media/drv-intf/renesas-ceu.h>
40 #include <media/i2c/rj54n1cb0c.h>
41
42 #include <video/sh_mobile_lcdc.h>
43
44 #define CEU_BUFFER_MEMORY_SIZE (4 << 20)
45 static phys_addr_t ceu_dma_membase;
46
47 /* set VIO_CKO clock to 25MHz */
48 #define CEU_MCLK_FREQ 25000000
49 #define DRVCRB 0xA405018C
50
51 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
52 {
53 {
54 .name = "boot",
55 .offset = 0,
56 .size = (4 * 1024 * 1024),
57 .mask_flags = MTD_WRITEABLE, /* Read-only */
58 },
59 {
60 .name = "other",
61 .offset = MTDPART_OFS_APPEND,
62 .size = MTDPART_SIZ_FULL,
63 },
64 };
65
66 static struct physmap_flash_data kfr2r09_nor_flash_data = {
67 .width = 2,
68 .parts = kfr2r09_nor_flash_partitions,
69 .nr_parts = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
70 };
71
72 static struct resource kfr2r09_nor_flash_resources[] = {
73 [0] = {
74 .name = "NOR Flash",
75 .start = 0x00000000,
76 .end = 0x03ffffff,
77 .flags = IORESOURCE_MEM,
78 }
79 };
80
81 static struct platform_device kfr2r09_nor_flash_device = {
82 .name = "physmap-flash",
83 .resource = kfr2r09_nor_flash_resources,
84 .num_resources = ARRAY_SIZE(kfr2r09_nor_flash_resources),
85 .dev = {
86 .platform_data = &kfr2r09_nor_flash_data,
87 },
88 };
89
90 static struct resource kfr2r09_nand_flash_resources[] = {
91 [0] = {
92 .name = "NAND Flash",
93 .start = 0x10000000,
94 .end = 0x1001ffff,
95 .flags = IORESOURCE_MEM,
96 }
97 };
98
99 static struct platform_device kfr2r09_nand_flash_device = {
100 .name = "onenand-flash",
101 .resource = kfr2r09_nand_flash_resources,
102 .num_resources = ARRAY_SIZE(kfr2r09_nand_flash_resources),
103 };
104
105 static struct sh_keysc_info kfr2r09_sh_keysc_info = {
106 .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
107 .scan_timing = 3,
108 .delay = 10,
109 .keycodes = {
110 KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
111 KEY_1, KEY_2, KEY_3, 0, KEY_UP,
112 KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
113 KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
114 KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
115 0, 0, 0, 0, 0
116 },
117 };
118
119 static struct resource kfr2r09_sh_keysc_resources[] = {
120 [0] = {
121 .name = "KEYSC",
122 .start = 0x044b0000,
123 .end = 0x044b000f,
124 .flags = IORESOURCE_MEM,
125 },
126 [1] = {
127 .start = evt2irq(0xbe0),
128 .flags = IORESOURCE_IRQ,
129 },
130 };
131
132 static struct platform_device kfr2r09_sh_keysc_device = {
133 .name = "sh_keysc",
134 .id = 0, /* "keysc0" clock */
135 .num_resources = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
136 .resource = kfr2r09_sh_keysc_resources,
137 .dev = {
138 .platform_data = &kfr2r09_sh_keysc_info,
139 },
140 };
141
142 static const struct fb_videomode kfr2r09_lcdc_modes[] = {
143 {
144 .name = "TX07D34VM0AAA",
145 .xres = 240,
146 .yres = 400,
147 .left_margin = 0,
148 .right_margin = 16,
149 .hsync_len = 8,
150 .upper_margin = 0,
151 .lower_margin = 1,
152 .vsync_len = 1,
153 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
154 },
155 };
156
157 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
158 .clock_source = LCDC_CLK_BUS,
159 .ch[0] = {
160 .chan = LCDC_CHAN_MAINLCD,
161 .fourcc = V4L2_PIX_FMT_RGB565,
162 .interface_type = SYS18,
163 .clock_divider = 6,
164 .flags = LCDC_FLAGS_DWPOL,
165 .lcd_modes = kfr2r09_lcdc_modes,
166 .num_modes = ARRAY_SIZE(kfr2r09_lcdc_modes),
167 .panel_cfg = {
168 .width = 35,
169 .height = 58,
170 .setup_sys = kfr2r09_lcd_setup,
171 .start_transfer = kfr2r09_lcd_start,
172 },
173 .sys_bus_cfg = {
174 .ldmt2r = 0x07010904,
175 .ldmt3r = 0x14012914,
176 /* set 1s delay to encourage fsync() */
177 .deferred_io_msec = 1000,
178 },
179 }
180 };
181
182 static struct resource kfr2r09_sh_lcdc_resources[] = {
183 [0] = {
184 .name = "LCDC",
185 .start = 0xfe940000, /* P4-only space */
186 .end = 0xfe942fff,
187 .flags = IORESOURCE_MEM,
188 },
189 [1] = {
190 .start = evt2irq(0xf40),
191 .flags = IORESOURCE_IRQ,
192 },
193 };
194
195 static struct platform_device kfr2r09_sh_lcdc_device = {
196 .name = "sh_mobile_lcdc_fb",
197 .num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
198 .resource = kfr2r09_sh_lcdc_resources,
199 .dev = {
200 .platform_data = &kfr2r09_sh_lcdc_info,
201 },
202 };
203
204 static struct lv5207lp_platform_data kfr2r09_backlight_data = {
205 .dev = &kfr2r09_sh_lcdc_device.dev,
206 .def_value = 13,
207 .max_value = 13,
208 };
209
210 static struct i2c_board_info kfr2r09_backlight_board_info = {
211 I2C_BOARD_INFO("lv5207lp", 0x75),
212 .platform_data = &kfr2r09_backlight_data,
213 };
214
215 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
216 .on_chip = 1,
217 };
218
219 static struct resource kfr2r09_usb0_gadget_resources[] = {
220 [0] = {
221 .start = 0x04d80000,
222 .end = 0x04d80123,
223 .flags = IORESOURCE_MEM,
224 },
225 [1] = {
226 .start = evt2irq(0xa20),
227 .end = evt2irq(0xa20),
228 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
229 },
230 };
231
232 static struct platform_device kfr2r09_usb0_gadget_device = {
233 .name = "r8a66597_udc",
234 .id = 0,
235 .dev = {
236 .dma_mask = NULL, /* not use dma */
237 .coherent_dma_mask = 0xffffffff,
238 .platform_data = &kfr2r09_usb0_gadget_data,
239 },
240 .num_resources = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
241 .resource = kfr2r09_usb0_gadget_resources,
242 };
243
244 static struct ceu_platform_data ceu_pdata = {
245 .num_subdevs = 1,
246 .subdevs = {
247 { /* [0] = rj54n1cb0c */
248 .flags = 0,
249 .bus_width = 8,
250 .bus_shift = 0,
251 .i2c_adapter_id = 1,
252 .i2c_address = 0x50,
253 },
254 },
255 };
256
257 static struct resource kfr2r09_ceu_resources[] = {
258 [0] = {
259 .name = "CEU",
260 .start = 0xfe910000,
261 .end = 0xfe91009f,
262 .flags = IORESOURCE_MEM,
263 },
264 [1] = {
265 .start = evt2irq(0x880),
266 .end = evt2irq(0x880),
267 .flags = IORESOURCE_IRQ,
268 },
269 };
270
271 static struct platform_device kfr2r09_ceu_device = {
272 .name = "renesas-ceu",
273 .id = 0, /* "ceu0" clock */
274 .num_resources = ARRAY_SIZE(kfr2r09_ceu_resources),
275 .resource = kfr2r09_ceu_resources,
276 .dev = {
277 .platform_data = &ceu_pdata,
278 },
279 };
280
281 static struct rj54n1_pdata rj54n1_priv = {
282 .mclk_freq = CEU_MCLK_FREQ,
283 .ioctl_high = false,
284 };
285
286 static struct i2c_board_info kfr2r09_i2c_camera = {
287 I2C_BOARD_INFO("rj54n1cb0c", 0x50),
288 .platform_data = &rj54n1_priv,
289 };
290
291 static struct gpiod_lookup_table rj54n1_gpios = {
292 .dev_id = "1-0050",
293 .table = {
294 GPIO_LOOKUP("sh7724_pfc", GPIO_PTB4, "poweron",
295 GPIO_ACTIVE_HIGH),
296 GPIO_LOOKUP("sh7724_pfc", GPIO_PTB7, "enable",
297 GPIO_ACTIVE_HIGH),
298 },
299 };
300
301 /* Fixed 3.3V regulator to be used by SDHI0 */
302 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
303 {
304 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
305 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
306 };
307
308 static struct resource kfr2r09_sh_sdhi0_resources[] = {
309 [0] = {
310 .name = "SDHI0",
311 .start = 0x04ce0000,
312 .end = 0x04ce00ff,
313 .flags = IORESOURCE_MEM,
314 },
315 [1] = {
316 .start = evt2irq(0xe80),
317 .flags = IORESOURCE_IRQ,
318 },
319 };
320
321 static struct tmio_mmc_data sh7724_sdhi0_data = {
322 .chan_priv_tx = (void *)SHDMA_SLAVE_SDHI0_TX,
323 .chan_priv_rx = (void *)SHDMA_SLAVE_SDHI0_RX,
324 .capabilities = MMC_CAP_SDIO_IRQ,
325 .capabilities2 = MMC_CAP2_NO_WRITE_PROTECT,
326 };
327
328 static struct platform_device kfr2r09_sh_sdhi0_device = {
329 .name = "sh_mobile_sdhi",
330 .num_resources = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
331 .resource = kfr2r09_sh_sdhi0_resources,
332 .dev = {
333 .platform_data = &sh7724_sdhi0_data,
334 },
335 };
336
337 static struct platform_device *kfr2r09_devices[] __initdata = {
338 &kfr2r09_nor_flash_device,
339 &kfr2r09_nand_flash_device,
340 &kfr2r09_sh_keysc_device,
341 &kfr2r09_sh_lcdc_device,
342 &kfr2r09_sh_sdhi0_device,
343 };
344
345 #define BSC_CS0BCR 0xfec10004
346 #define BSC_CS0WCR 0xfec10024
347 #define BSC_CS4BCR 0xfec10010
348 #define BSC_CS4WCR 0xfec10030
349 #define PORT_MSELCRB 0xa4050182
350
351 #ifdef CONFIG_I2C
352 static int kfr2r09_usb0_gadget_i2c_setup(void)
353 {
354 struct i2c_adapter *a;
355 struct i2c_msg msg;
356 unsigned char buf[2];
357 int ret;
358
359 a = i2c_get_adapter(0);
360 if (!a)
361 return -ENODEV;
362
363 /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
364 buf[0] = 0x13;
365 msg.addr = 0x09;
366 msg.buf = buf;
367 msg.len = 1;
368 msg.flags = 0;
369 ret = i2c_transfer(a, &msg, 1);
370 if (ret != 1)
371 return -ENODEV;
372
373 buf[0] = 0;
374 msg.addr = 0x09;
375 msg.buf = buf;
376 msg.len = 1;
377 msg.flags = I2C_M_RD;
378 ret = i2c_transfer(a, &msg, 1);
379 if (ret != 1)
380 return -ENODEV;
381
382 buf[1] = buf[0] | (1 << 1);
383 buf[0] = 0x13;
384 msg.addr = 0x09;
385 msg.buf = buf;
386 msg.len = 2;
387 msg.flags = 0;
388 ret = i2c_transfer(a, &msg, 1);
389 if (ret != 1)
390 return -ENODEV;
391
392 return 0;
393 }
394
395 static int kfr2r09_serial_i2c_setup(void)
396 {
397 struct i2c_adapter *a;
398 struct i2c_msg msg;
399 unsigned char buf[2];
400 int ret;
401
402 a = i2c_get_adapter(0);
403 if (!a)
404 return -ENODEV;
405
406 /* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
407 buf[0] = 0x13;
408 msg.addr = 0x09;
409 msg.buf = buf;
410 msg.len = 1;
411 msg.flags = 0;
412 ret = i2c_transfer(a, &msg, 1);
413 if (ret != 1)
414 return -ENODEV;
415
416 buf[0] = 0;
417 msg.addr = 0x09;
418 msg.buf = buf;
419 msg.len = 1;
420 msg.flags = I2C_M_RD;
421 ret = i2c_transfer(a, &msg, 1);
422 if (ret != 1)
423 return -ENODEV;
424
425 buf[1] = buf[0] | (1 << 6);
426 buf[0] = 0x13;
427 msg.addr = 0x09;
428 msg.buf = buf;
429 msg.len = 2;
430 msg.flags = 0;
431 ret = i2c_transfer(a, &msg, 1);
432 if (ret != 1)
433 return -ENODEV;
434
435 return 0;
436 }
437 #else
438 static int kfr2r09_usb0_gadget_i2c_setup(void)
439 {
440 return -ENODEV;
441 }
442
443 static int kfr2r09_serial_i2c_setup(void)
444 {
445 return -ENODEV;
446 }
447 #endif
448
449 static int kfr2r09_usb0_gadget_setup(void)
450 {
451 int plugged_in;
452
453 gpio_request(GPIO_PTN4, NULL); /* USB_DET */
454 gpio_direction_input(GPIO_PTN4);
455 plugged_in = gpio_get_value(GPIO_PTN4);
456 if (!plugged_in)
457 return -ENODEV; /* no cable plugged in */
458
459 if (kfr2r09_usb0_gadget_i2c_setup() != 0)
460 return -ENODEV; /* unable to configure using i2c */
461
462 __raw_writew((__raw_readw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
463 gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
464 gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
465 gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
466 msleep(20); /* wait 20ms to let the clock settle */
467 clk_enable(clk_get(NULL, "usb0"));
468 __raw_writew(0x0600, 0xa40501d4);
469
470 return 0;
471 }
472
473 extern char kfr2r09_sdram_enter_start;
474 extern char kfr2r09_sdram_enter_end;
475 extern char kfr2r09_sdram_leave_start;
476 extern char kfr2r09_sdram_leave_end;
477
478 static int __init kfr2r09_devices_setup(void)
479 {
480 struct clk *camera_clk;
481
482 /* register board specific self-refresh code */
483 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
484 SUSP_SH_RSTANDBY,
485 &kfr2r09_sdram_enter_start,
486 &kfr2r09_sdram_enter_end,
487 &kfr2r09_sdram_leave_start,
488 &kfr2r09_sdram_leave_end);
489
490 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
491 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
492
493 /* enable SCIF1 serial port for YC401 console support */
494 gpio_request(GPIO_FN_SCIF1_RXD, NULL);
495 gpio_request(GPIO_FN_SCIF1_TXD, NULL);
496 kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
497 gpio_request(GPIO_PTG3, NULL); /* HPON_ON */
498 gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */
499
500 /* setup NOR flash at CS0 */
501 __raw_writel(0x36db0400, BSC_CS0BCR);
502 __raw_writel(0x00000500, BSC_CS0WCR);
503
504 /* setup NAND flash at CS4 */
505 __raw_writel(0x36db0400, BSC_CS4BCR);
506 __raw_writel(0x00000500, BSC_CS4WCR);
507
508 /* setup KEYSC pins */
509 gpio_request(GPIO_FN_KEYOUT0, NULL);
510 gpio_request(GPIO_FN_KEYOUT1, NULL);
511 gpio_request(GPIO_FN_KEYOUT2, NULL);
512 gpio_request(GPIO_FN_KEYOUT3, NULL);
513 gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
514 gpio_request(GPIO_FN_KEYIN0, NULL);
515 gpio_request(GPIO_FN_KEYIN1, NULL);
516 gpio_request(GPIO_FN_KEYIN2, NULL);
517 gpio_request(GPIO_FN_KEYIN3, NULL);
518 gpio_request(GPIO_FN_KEYIN4, NULL);
519 gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
520
521 /* setup LCDC pins for SYS panel */
522 gpio_request(GPIO_FN_LCDD17, NULL);
523 gpio_request(GPIO_FN_LCDD16, NULL);
524 gpio_request(GPIO_FN_LCDD15, NULL);
525 gpio_request(GPIO_FN_LCDD14, NULL);
526 gpio_request(GPIO_FN_LCDD13, NULL);
527 gpio_request(GPIO_FN_LCDD12, NULL);
528 gpio_request(GPIO_FN_LCDD11, NULL);
529 gpio_request(GPIO_FN_LCDD10, NULL);
530 gpio_request(GPIO_FN_LCDD9, NULL);
531 gpio_request(GPIO_FN_LCDD8, NULL);
532 gpio_request(GPIO_FN_LCDD7, NULL);
533 gpio_request(GPIO_FN_LCDD6, NULL);
534 gpio_request(GPIO_FN_LCDD5, NULL);
535 gpio_request(GPIO_FN_LCDD4, NULL);
536 gpio_request(GPIO_FN_LCDD3, NULL);
537 gpio_request(GPIO_FN_LCDD2, NULL);
538 gpio_request(GPIO_FN_LCDD1, NULL);
539 gpio_request(GPIO_FN_LCDD0, NULL);
540 gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
541 gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
542 gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
543 gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
544 gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
545 gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
546 gpio_direction_output(GPIO_PTE4, 1);
547 gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
548 gpio_direction_output(GPIO_PTF4, 1);
549 gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
550 gpio_direction_output(GPIO_PTU0, 1);
551
552 /* setup USB function */
553 if (kfr2r09_usb0_gadget_setup() == 0)
554 platform_device_register(&kfr2r09_usb0_gadget_device);
555
556 /* CEU */
557 gpio_request(GPIO_FN_VIO_CKO, NULL);
558 gpio_request(GPIO_FN_VIO0_CLK, NULL);
559 gpio_request(GPIO_FN_VIO0_VD, NULL);
560 gpio_request(GPIO_FN_VIO0_HD, NULL);
561 gpio_request(GPIO_FN_VIO0_FLD, NULL);
562 gpio_request(GPIO_FN_VIO0_D7, NULL);
563 gpio_request(GPIO_FN_VIO0_D6, NULL);
564 gpio_request(GPIO_FN_VIO0_D5, NULL);
565 gpio_request(GPIO_FN_VIO0_D4, NULL);
566 gpio_request(GPIO_FN_VIO0_D3, NULL);
567 gpio_request(GPIO_FN_VIO0_D2, NULL);
568 gpio_request(GPIO_FN_VIO0_D1, NULL);
569 gpio_request(GPIO_FN_VIO0_D0, NULL);
570
571 /* SDHI0 connected to yc304 */
572 gpio_request(GPIO_FN_SDHI0CD, NULL);
573 gpio_request(GPIO_FN_SDHI0D3, NULL);
574 gpio_request(GPIO_FN_SDHI0D2, NULL);
575 gpio_request(GPIO_FN_SDHI0D1, NULL);
576 gpio_request(GPIO_FN_SDHI0D0, NULL);
577 gpio_request(GPIO_FN_SDHI0CMD, NULL);
578 gpio_request(GPIO_FN_SDHI0CLK, NULL);
579
580 i2c_register_board_info(0, &kfr2r09_backlight_board_info, 1);
581
582 /* Set camera clock frequency and register and alias for rj54n1. */
583 camera_clk = clk_get(NULL, "video_clk");
584 if (!IS_ERR(camera_clk)) {
585 clk_set_rate(camera_clk,
586 clk_round_rate(camera_clk, CEU_MCLK_FREQ));
587 clk_put(camera_clk);
588 }
589 clk_add_alias(NULL, "1-0050", "video_clk", NULL);
590
591 /* set DRVCRB
592 *
593 * use 1.8 V for VccQ_VIO
594 * use 2.85V for VccQ_SR
595 */
596 __raw_writew((__raw_readw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
597
598 gpiod_add_lookup_table(&rj54n1_gpios);
599
600 i2c_register_board_info(1, &kfr2r09_i2c_camera, 1);
601
602 /* Initialize CEU platform device separately to map memory first */
603 device_initialize(&kfr2r09_ceu_device.dev);
604 dma_declare_coherent_memory(&kfr2r09_ceu_device.dev,
605 ceu_dma_membase, ceu_dma_membase,
606 CEU_BUFFER_MEMORY_SIZE);
607
608 platform_device_add(&kfr2r09_ceu_device);
609
610 return platform_add_devices(kfr2r09_devices,
611 ARRAY_SIZE(kfr2r09_devices));
612 }
613 device_initcall(kfr2r09_devices_setup);
614
615 /* Return the board specific boot mode pin configuration */
616 static int kfr2r09_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 * MD8=1: Test Mode Disabled
622 */
623 return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
624 }
625
626 /* Reserve a portion of memory for CEU buffers */
627 static void __init kfr2r09_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_kfr2r09 __initmv = {
646 .mv_name = "kfr2r09",
647 .mv_mode_pins = kfr2r09_mode_pins,
648 .mv_mem_reserve = kfr2r09_mv_mem_reserve,
649 };
650
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