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1/*
2 * Copyright (C) 2009 Renesas Solutions Corp.
3 *
4 * Kuninori Morimoto <morimoto.kuninori@renesas.com>
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
11#include <linux/init.h>
12#include <linux/device.h>
13#include <linux/platform_device.h>
14#include <linux/mtd/physmap.h>
15#include <linux/gpio.h>
16#include <linux/interrupt.h>
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17#include <linux/io.h>
18#include <linux/delay.h>
907050a3 19#include <linux/usb/r8a66597.h>
fa3ba51b 20#include <video/sh_mobile_lcdc.h>
2153ad32 21#include <media/sh_mobile_ceu.h>
4138b740 22#include <asm/heartbeat.h>
35a35408 23#include <asm/sh_eth.h>
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24#include <cpu/sh7724.h>
25
26/*
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27 * Address Interface BusWidth
28 *-----------------------------------------
29 * 0x0000_0000 uboot 16bit
30 * 0x0004_0000 Linux romImage 16bit
31 * 0x0014_0000 MTD for Linux 16bit
32 * 0x0400_0000 Internal I/O 16/32bit
33 * 0x0800_0000 DRAM 32bit
34 * 0x1800_0000 MFI 16bit
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35 */
36
37/* Heartbeat */
38static unsigned char led_pos[] = { 0, 1, 2, 3 };
39static struct heartbeat_data heartbeat_data = {
40 .regsize = 8,
41 .nr_bits = 4,
42 .bit_pos = led_pos,
43};
44
45static struct resource heartbeat_resources[] = {
46 [0] = {
47 .start = 0xA405012C, /* PTG */
48 .end = 0xA405012E - 1,
49 .flags = IORESOURCE_MEM,
50 },
51};
52
53static struct platform_device heartbeat_device = {
54 .name = "heartbeat",
55 .id = -1,
56 .dev = {
57 .platform_data = &heartbeat_data,
58 },
59 .num_resources = ARRAY_SIZE(heartbeat_resources),
60 .resource = heartbeat_resources,
61};
62
63/* MTD */
64static struct mtd_partition nor_flash_partitions[] = {
65 {
b7056bc1 66 .name = "boot loader",
4138b740 67 .offset = 0,
b7056bc1 68 .size = (5 * 1024 * 1024),
4138b740 69 .mask_flags = MTD_CAP_ROM,
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70 }, {
71 .name = "free-area",
72 .offset = MTDPART_OFS_APPEND,
73 .size = MTDPART_SIZ_FULL,
74 },
75};
76
77static struct physmap_flash_data nor_flash_data = {
78 .width = 2,
79 .parts = nor_flash_partitions,
80 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
81};
82
83static struct resource nor_flash_resources[] = {
84 [0] = {
85 .name = "NOR Flash",
86 .start = 0x00000000,
87 .end = 0x03ffffff,
88 .flags = IORESOURCE_MEM,
89 }
90};
91
92static struct platform_device nor_flash_device = {
93 .name = "physmap-flash",
94 .resource = nor_flash_resources,
95 .num_resources = ARRAY_SIZE(nor_flash_resources),
96 .dev = {
97 .platform_data = &nor_flash_data,
98 },
99};
100
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101/* SH Eth */
102#define SH_ETH_ADDR (0xA4600000)
103#define SH_ETH_MAHR (SH_ETH_ADDR + 0x1C0)
104#define SH_ETH_MALR (SH_ETH_ADDR + 0x1C8)
105static struct resource sh_eth_resources[] = {
106 [0] = {
107 .start = SH_ETH_ADDR,
108 .end = SH_ETH_ADDR + 0x1FC,
109 .flags = IORESOURCE_MEM,
110 },
111 [1] = {
112 .start = 91,
113 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
114 },
115};
116
117struct sh_eth_plat_data sh_eth_plat = {
118 .phy = 0x1f, /* SMSC LAN8700 */
119 .edmac_endian = EDMAC_LITTLE_ENDIAN,
120};
121
122static struct platform_device sh_eth_device = {
123 .name = "sh-eth",
124 .id = 0,
125 .dev = {
126 .platform_data = &sh_eth_plat,
127 },
128 .num_resources = ARRAY_SIZE(sh_eth_resources),
129 .resource = sh_eth_resources,
130};
131
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132/* USB0 host */
133void usb0_port_power(int port, int power)
134{
135 gpio_set_value(GPIO_PTB4, power);
136}
137
138static struct r8a66597_platdata usb0_host_data = {
139 .on_chip = 1,
140 .port_power = usb0_port_power,
141};
142
143static struct resource usb0_host_resources[] = {
144 [0] = {
145 .start = 0xa4d80000,
146 .end = 0xa4d80124 - 1,
147 .flags = IORESOURCE_MEM,
148 },
149 [1] = {
150 .start = 65,
151 .end = 65,
152 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
153 },
154};
155
156static struct platform_device usb0_host_device = {
157 .name = "r8a66597_hcd",
158 .id = 0,
159 .dev = {
160 .dma_mask = NULL, /* not use dma */
161 .coherent_dma_mask = 0xffffffff,
162 .platform_data = &usb0_host_data,
163 },
164 .num_resources = ARRAY_SIZE(usb0_host_resources),
165 .resource = usb0_host_resources,
166};
167
168/*
169 * USB1
170 *
171 * CN5 can use both host/function,
172 * and we can determine it by checking PTB[3]
173 *
174 * This time only USB1 host is supported.
175 */
176void usb1_port_power(int port, int power)
177{
178 if (!gpio_get_value(GPIO_PTB3)) {
179 printk(KERN_ERR "USB1 function is not supported\n");
180 return;
181 }
182
183 gpio_set_value(GPIO_PTB5, power);
184}
185
186static struct r8a66597_platdata usb1_host_data = {
187 .on_chip = 1,
188 .port_power = usb1_port_power,
189};
190
191static struct resource usb1_host_resources[] = {
192 [0] = {
193 .start = 0xa4d90000,
194 .end = 0xa4d90124 - 1,
195 .flags = IORESOURCE_MEM,
196 },
197 [1] = {
198 .start = 66,
199 .end = 66,
200 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
201 },
202};
203
204static struct platform_device usb1_host_device = {
205 .name = "r8a66597_hcd",
206 .id = 1,
207 .dev = {
208 .dma_mask = NULL, /* not use dma */
209 .coherent_dma_mask = 0xffffffff,
210 .platform_data = &usb1_host_data,
211 },
212 .num_resources = ARRAY_SIZE(usb1_host_resources),
213 .resource = usb1_host_resources,
214};
215
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216/* LCDC */
217static struct sh_mobile_lcdc_info lcdc_info = {
218 .ch[0] = {
219 .interface_type = RGB18,
220 .chan = LCDC_CHAN_MAINLCD,
221 .bpp = 16,
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222 .lcd_cfg = {
223 .sync = 0, /* hsync and vsync are active low */
224 },
225 .lcd_size_cfg = { /* 7.0 inch */
226 .width = 152,
227 .height = 91,
228 },
229 .board_cfg = {
230 },
231 }
232};
233
234static struct resource lcdc_resources[] = {
235 [0] = {
236 .name = "LCDC",
237 .start = 0xfe940000,
238 .end = 0xfe941fff,
239 .flags = IORESOURCE_MEM,
240 },
241 [1] = {
242 .start = 106,
243 .flags = IORESOURCE_IRQ,
244 },
245};
246
247static struct platform_device lcdc_device = {
248 .name = "sh_mobile_lcdc_fb",
249 .num_resources = ARRAY_SIZE(lcdc_resources),
250 .resource = lcdc_resources,
251 .dev = {
252 .platform_data = &lcdc_info,
253 },
254 .archdata = {
255 .hwblk_id = HWBLK_LCDC,
256 },
257};
258
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259/* CEU0 */
260static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
261 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
262};
263
264static struct resource ceu0_resources[] = {
265 [0] = {
266 .name = "CEU0",
267 .start = 0xfe910000,
268 .end = 0xfe91009f,
269 .flags = IORESOURCE_MEM,
270 },
271 [1] = {
272 .start = 52,
273 .flags = IORESOURCE_IRQ,
274 },
275 [2] = {
276 /* place holder for contiguous memory */
277 },
278};
279
280static struct platform_device ceu0_device = {
281 .name = "sh_mobile_ceu",
282 .id = 0, /* "ceu0" clock */
283 .num_resources = ARRAY_SIZE(ceu0_resources),
284 .resource = ceu0_resources,
285 .dev = {
286 .platform_data = &sh_mobile_ceu0_info,
287 },
288 .archdata = {
289 .hwblk_id = HWBLK_CEU0,
290 },
291};
292
293/* CEU1 */
294static struct sh_mobile_ceu_info sh_mobile_ceu1_info = {
295 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
296};
297
298static struct resource ceu1_resources[] = {
299 [0] = {
300 .name = "CEU1",
301 .start = 0xfe914000,
302 .end = 0xfe91409f,
303 .flags = IORESOURCE_MEM,
304 },
305 [1] = {
306 .start = 63,
307 .flags = IORESOURCE_IRQ,
308 },
309 [2] = {
310 /* place holder for contiguous memory */
311 },
312};
313
314static struct platform_device ceu1_device = {
315 .name = "sh_mobile_ceu",
316 .id = 1, /* "ceu1" clock */
317 .num_resources = ARRAY_SIZE(ceu1_resources),
318 .resource = ceu1_resources,
319 .dev = {
320 .platform_data = &sh_mobile_ceu1_info,
321 },
322 .archdata = {
323 .hwblk_id = HWBLK_CEU1,
324 },
325};
326
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327static struct platform_device *ecovec_devices[] __initdata = {
328 &heartbeat_device,
329 &nor_flash_device,
35a35408 330 &sh_eth_device,
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331 &usb0_host_device,
332 &usb1_host_device, /* USB1 host support */
fa3ba51b 333 &lcdc_device,
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334 &ceu0_device,
335 &ceu1_device,
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336};
337
fa3ba51b 338#define PORT_HIZA 0xA4050158
ea15edb2 339#define IODRIVEA 0xA405018A
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340static int __init devices_setup(void)
341{
342 /* enable SCIFA0 */
343 gpio_request(GPIO_FN_SCIF0_TXD, NULL);
344 gpio_request(GPIO_FN_SCIF0_RXD, NULL);
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345
346 /* enable debug LED */
347 gpio_request(GPIO_PTG0, NULL);
348 gpio_request(GPIO_PTG1, NULL);
349 gpio_request(GPIO_PTG2, NULL);
350 gpio_request(GPIO_PTG3, NULL);
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351 gpio_direction_output(GPIO_PTG0, 0);
352 gpio_direction_output(GPIO_PTG1, 0);
353 gpio_direction_output(GPIO_PTG2, 0);
354 gpio_direction_output(GPIO_PTG3, 0);
4138b740 355
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356 /* enable SH-Eth */
357 gpio_request(GPIO_PTA1, NULL);
358 gpio_direction_output(GPIO_PTA1, 1);
359 mdelay(20);
360
361 gpio_request(GPIO_FN_RMII_RXD0, NULL);
362 gpio_request(GPIO_FN_RMII_RXD1, NULL);
363 gpio_request(GPIO_FN_RMII_TXD0, NULL);
364 gpio_request(GPIO_FN_RMII_TXD1, NULL);
365 gpio_request(GPIO_FN_RMII_REF_CLK, NULL);
366 gpio_request(GPIO_FN_RMII_TX_EN, NULL);
367 gpio_request(GPIO_FN_RMII_RX_ER, NULL);
368 gpio_request(GPIO_FN_RMII_CRS_DV, NULL);
369 gpio_request(GPIO_FN_MDIO, NULL);
370 gpio_request(GPIO_FN_MDC, NULL);
371 gpio_request(GPIO_FN_LNKSTA, NULL);
372
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373 /* enable USB */
374 gpio_request(GPIO_PTB3, NULL);
375 gpio_request(GPIO_PTB4, NULL);
376 gpio_request(GPIO_PTB5, NULL);
377 gpio_direction_input(GPIO_PTB3);
378 gpio_direction_output(GPIO_PTB4, 0);
379 gpio_direction_output(GPIO_PTB5, 0);
380 ctrl_outw(0x0600, 0xa40501d4);
381 ctrl_outw(0x0600, 0xa4050192);
382
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383 /* enable LCDC */
384 gpio_request(GPIO_FN_LCDD23, NULL);
385 gpio_request(GPIO_FN_LCDD22, NULL);
386 gpio_request(GPIO_FN_LCDD21, NULL);
387 gpio_request(GPIO_FN_LCDD20, NULL);
388 gpio_request(GPIO_FN_LCDD19, NULL);
389 gpio_request(GPIO_FN_LCDD18, NULL);
390 gpio_request(GPIO_FN_LCDD17, NULL);
391 gpio_request(GPIO_FN_LCDD16, NULL);
392 gpio_request(GPIO_FN_LCDD15, NULL);
393 gpio_request(GPIO_FN_LCDD14, NULL);
394 gpio_request(GPIO_FN_LCDD13, NULL);
395 gpio_request(GPIO_FN_LCDD12, NULL);
396 gpio_request(GPIO_FN_LCDD11, NULL);
397 gpio_request(GPIO_FN_LCDD10, NULL);
398 gpio_request(GPIO_FN_LCDD9, NULL);
399 gpio_request(GPIO_FN_LCDD8, NULL);
400 gpio_request(GPIO_FN_LCDD7, NULL);
401 gpio_request(GPIO_FN_LCDD6, NULL);
402 gpio_request(GPIO_FN_LCDD5, NULL);
403 gpio_request(GPIO_FN_LCDD4, NULL);
404 gpio_request(GPIO_FN_LCDD3, NULL);
405 gpio_request(GPIO_FN_LCDD2, NULL);
406 gpio_request(GPIO_FN_LCDD1, NULL);
407 gpio_request(GPIO_FN_LCDD0, NULL);
408 gpio_request(GPIO_FN_LCDDISP, NULL);
409 gpio_request(GPIO_FN_LCDHSYN, NULL);
410 gpio_request(GPIO_FN_LCDDCK, NULL);
411 gpio_request(GPIO_FN_LCDVSYN, NULL);
412 gpio_request(GPIO_FN_LCDDON, NULL);
413 gpio_request(GPIO_FN_LCDLCLK, NULL);
414 ctrl_outw((ctrl_inw(PORT_HIZA) & ~0x0001), PORT_HIZA);
415
416 gpio_request(GPIO_PTE6, NULL);
417 gpio_request(GPIO_PTU1, NULL);
418 gpio_request(GPIO_PTR1, NULL);
419 gpio_request(GPIO_PTA2, NULL);
420 gpio_direction_input(GPIO_PTE6);
421 gpio_direction_output(GPIO_PTU1, 0);
422 gpio_direction_output(GPIO_PTR1, 0);
423 gpio_direction_output(GPIO_PTA2, 0);
424
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425 /* I/O buffer drive ability is low */
426 ctrl_outw((ctrl_inw(IODRIVEA) & ~0x00c0) | 0x0040 , IODRIVEA);
427
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428 if (gpio_get_value(GPIO_PTE6)) {
429 /* DVI */
430 lcdc_info.clock_source = LCDC_CLK_EXTERNAL;
ea15edb2 431 lcdc_info.ch[0].clock_divider = 1,
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432 lcdc_info.ch[0].lcd_cfg.name = "DVI";
433 lcdc_info.ch[0].lcd_cfg.xres = 1280;
434 lcdc_info.ch[0].lcd_cfg.yres = 720;
435 lcdc_info.ch[0].lcd_cfg.left_margin = 220;
436 lcdc_info.ch[0].lcd_cfg.right_margin = 110;
437 lcdc_info.ch[0].lcd_cfg.hsync_len = 40;
438 lcdc_info.ch[0].lcd_cfg.upper_margin = 20;
439 lcdc_info.ch[0].lcd_cfg.lower_margin = 5;
440 lcdc_info.ch[0].lcd_cfg.vsync_len = 5;
441
442 gpio_set_value(GPIO_PTA2, 1);
443 gpio_set_value(GPIO_PTU1, 1);
444 } else {
445 /* Panel */
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446
447 lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
448 lcdc_info.ch[0].clock_divider = 2,
449 lcdc_info.ch[0].lcd_cfg.name = "Panel";
450 lcdc_info.ch[0].lcd_cfg.xres = 800;
451 lcdc_info.ch[0].lcd_cfg.yres = 480;
452 lcdc_info.ch[0].lcd_cfg.left_margin = 220;
453 lcdc_info.ch[0].lcd_cfg.right_margin = 110;
454 lcdc_info.ch[0].lcd_cfg.hsync_len = 70;
455 lcdc_info.ch[0].lcd_cfg.upper_margin = 20;
456 lcdc_info.ch[0].lcd_cfg.lower_margin = 5;
457 lcdc_info.ch[0].lcd_cfg.vsync_len = 5;
458
459 gpio_set_value(GPIO_PTR1, 1);
460
461 /* FIXME
462 *
463 * LCDDON control is needed for Panel,
464 * but current sh_mobile_lcdc driver doesn't control it.
465 * It is temporary correspondence
466 */
467 gpio_request(GPIO_PTF4, NULL);
468 gpio_direction_output(GPIO_PTF4, 1);
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469 }
470
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471 /* enable CEU0 */
472 gpio_request(GPIO_FN_VIO0_D15, NULL);
473 gpio_request(GPIO_FN_VIO0_D14, NULL);
474 gpio_request(GPIO_FN_VIO0_D13, NULL);
475 gpio_request(GPIO_FN_VIO0_D12, NULL);
476 gpio_request(GPIO_FN_VIO0_D11, NULL);
477 gpio_request(GPIO_FN_VIO0_D10, NULL);
478 gpio_request(GPIO_FN_VIO0_D9, NULL);
479 gpio_request(GPIO_FN_VIO0_D8, NULL);
480 gpio_request(GPIO_FN_VIO0_D7, NULL);
481 gpio_request(GPIO_FN_VIO0_D6, NULL);
482 gpio_request(GPIO_FN_VIO0_D5, NULL);
483 gpio_request(GPIO_FN_VIO0_D4, NULL);
484 gpio_request(GPIO_FN_VIO0_D3, NULL);
485 gpio_request(GPIO_FN_VIO0_D2, NULL);
486 gpio_request(GPIO_FN_VIO0_D1, NULL);
487 gpio_request(GPIO_FN_VIO0_D0, NULL);
488 gpio_request(GPIO_FN_VIO0_VD, NULL);
489 gpio_request(GPIO_FN_VIO0_CLK, NULL);
490 gpio_request(GPIO_FN_VIO0_FLD, NULL);
491 gpio_request(GPIO_FN_VIO0_HD, NULL);
492 platform_resource_setup_memory(&ceu0_device, "ceu0", 4 << 20);
493
494 /* enable CEU1 */
495 gpio_request(GPIO_FN_VIO1_D7, NULL);
496 gpio_request(GPIO_FN_VIO1_D6, NULL);
497 gpio_request(GPIO_FN_VIO1_D5, NULL);
498 gpio_request(GPIO_FN_VIO1_D4, NULL);
499 gpio_request(GPIO_FN_VIO1_D3, NULL);
500 gpio_request(GPIO_FN_VIO1_D2, NULL);
501 gpio_request(GPIO_FN_VIO1_D1, NULL);
502 gpio_request(GPIO_FN_VIO1_D0, NULL);
503 gpio_request(GPIO_FN_VIO1_FLD, NULL);
504 gpio_request(GPIO_FN_VIO1_HD, NULL);
505 gpio_request(GPIO_FN_VIO1_VD, NULL);
506 gpio_request(GPIO_FN_VIO1_CLK, NULL);
507 platform_resource_setup_memory(&ceu1_device, "ceu1", 4 << 20);
508
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509 return platform_add_devices(ecovec_devices,
510 ARRAY_SIZE(ecovec_devices));
511}
512device_initcall(devices_setup);
513
514static struct sh_machine_vector mv_ecovec __initmv = {
515 .mv_name = "R0P7724 (EcoVec)",
516};