MIPS: Yosemite, Emma: Fix off-by-two in arcs_cmdline buffer size check
[linux-2.6/linux-mips.git] / arch / arm / mach-shmobile / board-ag5evm.c
blob475342bcc95c36356291d866776d6a498678e952
1 /*
2 * arch/arm/mach-shmobile/board-ag5evm.c
4 * Copyright (C) 2010 Takashi Yoshii <yoshii.takashi.zj@renesas.com>
5 * Copyright (C) 2009 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
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
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/irq.h>
26 #include <linux/platform_device.h>
27 #include <linux/delay.h>
28 #include <linux/io.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/serial_sci.h>
31 #include <linux/smsc911x.h>
32 #include <linux/gpio.h>
33 #include <linux/input.h>
34 #include <linux/input/sh_keysc.h>
35 #include <linux/mmc/host.h>
36 #include <linux/mmc/sh_mmcif.h>
37 #include <linux/mmc/sh_mobile_sdhi.h>
38 #include <linux/mfd/tmio.h>
39 #include <linux/sh_clk.h>
40 #include <linux/dma-mapping.h>
41 #include <video/sh_mobile_lcdc.h>
42 #include <video/sh_mipi_dsi.h>
43 #include <sound/sh_fsi.h>
44 #include <mach/hardware.h>
45 #include <mach/sh73a0.h>
46 #include <mach/common.h>
47 #include <asm/mach-types.h>
48 #include <asm/mach/arch.h>
49 #include <asm/mach/map.h>
50 #include <asm/mach/time.h>
51 #include <asm/hardware/gic.h>
52 #include <asm/hardware/cache-l2x0.h>
53 #include <asm/traps.h>
55 static struct resource smsc9220_resources[] = {
56 [0] = {
57 .start = 0x14000000,
58 .end = 0x14000000 + SZ_64K - 1,
59 .flags = IORESOURCE_MEM,
61 [1] = {
62 .start = gic_spi(33), /* PINT1 */
63 .flags = IORESOURCE_IRQ,
67 static struct smsc911x_platform_config smsc9220_platdata = {
68 .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
69 .phy_interface = PHY_INTERFACE_MODE_MII,
70 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
71 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
74 static struct platform_device eth_device = {
75 .name = "smsc911x",
76 .id = 0,
77 .dev = {
78 .platform_data = &smsc9220_platdata,
80 .resource = smsc9220_resources,
81 .num_resources = ARRAY_SIZE(smsc9220_resources),
84 static struct sh_keysc_info keysc_platdata = {
85 .mode = SH_KEYSC_MODE_6,
86 .scan_timing = 3,
87 .delay = 100,
88 .keycodes = {
89 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
90 KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
91 KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
92 KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
93 KEY_SPACE, KEY_9, KEY_6, KEY_3, KEY_WAKEUP, KEY_RIGHT, \
94 KEY_COFFEE,
95 KEY_0, KEY_8, KEY_5, KEY_2, KEY_DOWN, KEY_ENTER, KEY_UP,
96 KEY_KPASTERISK, KEY_7, KEY_4, KEY_1, KEY_STOP, KEY_LEFT, \
97 KEY_COMPUTER,
101 static struct resource keysc_resources[] = {
102 [0] = {
103 .name = "KEYSC",
104 .start = 0xe61b0000,
105 .end = 0xe61b0098 - 1,
106 .flags = IORESOURCE_MEM,
108 [1] = {
109 .start = gic_spi(71),
110 .flags = IORESOURCE_IRQ,
114 static struct platform_device keysc_device = {
115 .name = "sh_keysc",
116 .id = 0,
117 .num_resources = ARRAY_SIZE(keysc_resources),
118 .resource = keysc_resources,
119 .dev = {
120 .platform_data = &keysc_platdata,
124 /* FSI A */
125 static struct resource fsi_resources[] = {
126 [0] = {
127 .name = "FSI",
128 .start = 0xEC230000,
129 .end = 0xEC230400 - 1,
130 .flags = IORESOURCE_MEM,
132 [1] = {
133 .start = gic_spi(146),
134 .flags = IORESOURCE_IRQ,
138 static struct platform_device fsi_device = {
139 .name = "sh_fsi2",
140 .id = -1,
141 .num_resources = ARRAY_SIZE(fsi_resources),
142 .resource = fsi_resources,
145 static struct resource sh_mmcif_resources[] = {
146 [0] = {
147 .name = "MMCIF",
148 .start = 0xe6bd0000,
149 .end = 0xe6bd00ff,
150 .flags = IORESOURCE_MEM,
152 [1] = {
153 .start = gic_spi(141),
154 .flags = IORESOURCE_IRQ,
156 [2] = {
157 .start = gic_spi(140),
158 .flags = IORESOURCE_IRQ,
162 static struct sh_mmcif_dma sh_mmcif_dma = {
163 .chan_priv_rx = {
164 .slave_id = SHDMA_SLAVE_MMCIF_RX,
166 .chan_priv_tx = {
167 .slave_id = SHDMA_SLAVE_MMCIF_TX,
170 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
171 .sup_pclk = 0,
172 .ocr = MMC_VDD_165_195,
173 .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
174 .dma = &sh_mmcif_dma,
177 static struct platform_device mmc_device = {
178 .name = "sh_mmcif",
179 .id = 0,
180 .dev = {
181 .dma_mask = NULL,
182 .coherent_dma_mask = 0xffffffff,
183 .platform_data = &sh_mmcif_platdata,
185 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
186 .resource = sh_mmcif_resources,
189 /* IrDA */
190 static struct resource irda_resources[] = {
191 [0] = {
192 .start = 0xE6D00000,
193 .end = 0xE6D01FD4 - 1,
194 .flags = IORESOURCE_MEM,
196 [1] = {
197 .start = gic_spi(95),
198 .flags = IORESOURCE_IRQ,
202 static struct platform_device irda_device = {
203 .name = "sh_irda",
204 .id = 0,
205 .resource = irda_resources,
206 .num_resources = ARRAY_SIZE(irda_resources),
209 static unsigned char lcd_backlight_seq[3][2] = {
210 { 0x04, 0x07 },
211 { 0x23, 0x80 },
212 { 0x03, 0x01 },
215 static void lcd_backlight_on(void)
217 struct i2c_adapter *a;
218 struct i2c_msg msg;
219 int k;
221 a = i2c_get_adapter(1);
222 for (k = 0; a && k < 3; k++) {
223 msg.addr = 0x6d;
224 msg.buf = &lcd_backlight_seq[k][0];
225 msg.len = 2;
226 msg.flags = 0;
227 if (i2c_transfer(a, &msg, 1) != 1)
228 break;
232 static void lcd_backlight_reset(void)
234 gpio_set_value(GPIO_PORT235, 0);
235 mdelay(24);
236 gpio_set_value(GPIO_PORT235, 1);
239 static void lcd_on(void *board_data, struct fb_info *info)
241 lcd_backlight_on();
244 static void lcd_off(void *board_data)
246 lcd_backlight_reset();
249 /* LCDC0 */
250 static const struct fb_videomode lcdc0_modes[] = {
252 .name = "R63302(QHD)",
253 .xres = 544,
254 .yres = 961,
255 .left_margin = 72,
256 .right_margin = 600,
257 .hsync_len = 16,
258 .upper_margin = 8,
259 .lower_margin = 8,
260 .vsync_len = 2,
261 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
265 static struct sh_mobile_lcdc_info lcdc0_info = {
266 .clock_source = LCDC_CLK_PERIPHERAL,
267 .ch[0] = {
268 .chan = LCDC_CHAN_MAINLCD,
269 .interface_type = RGB24,
270 .clock_divider = 1,
271 .flags = LCDC_FLAGS_DWPOL,
272 .lcd_size_cfg.width = 44,
273 .lcd_size_cfg.height = 79,
274 .bpp = 16,
275 .lcd_cfg = lcdc0_modes,
276 .num_cfg = ARRAY_SIZE(lcdc0_modes),
277 .board_cfg = {
278 .display_on = lcd_on,
279 .display_off = lcd_off,
284 static struct resource lcdc0_resources[] = {
285 [0] = {
286 .name = "LCDC0",
287 .start = 0xfe940000, /* P4-only space */
288 .end = 0xfe943fff,
289 .flags = IORESOURCE_MEM,
291 [1] = {
292 .start = intcs_evt2irq(0x580),
293 .flags = IORESOURCE_IRQ,
297 static struct platform_device lcdc0_device = {
298 .name = "sh_mobile_lcdc_fb",
299 .num_resources = ARRAY_SIZE(lcdc0_resources),
300 .resource = lcdc0_resources,
301 .id = 0,
302 .dev = {
303 .platform_data = &lcdc0_info,
304 .coherent_dma_mask = ~0,
308 /* MIPI-DSI */
309 static struct resource mipidsi0_resources[] = {
310 [0] = {
311 .name = "DSI0",
312 .start = 0xfeab0000,
313 .end = 0xfeab3fff,
314 .flags = IORESOURCE_MEM,
316 [1] = {
317 .name = "DSI0",
318 .start = 0xfeab4000,
319 .end = 0xfeab7fff,
320 .flags = IORESOURCE_MEM,
324 static struct sh_mipi_dsi_info mipidsi0_info = {
325 .data_format = MIPI_RGB888,
326 .lcd_chan = &lcdc0_info.ch[0],
327 .vsynw_offset = 20,
328 .clksrc = 1,
329 .flags = SH_MIPI_DSI_HSABM,
332 static struct platform_device mipidsi0_device = {
333 .name = "sh-mipi-dsi",
334 .num_resources = ARRAY_SIZE(mipidsi0_resources),
335 .resource = mipidsi0_resources,
336 .id = 0,
337 .dev = {
338 .platform_data = &mipidsi0_info,
342 static struct sh_mobile_sdhi_info sdhi0_info = {
343 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
344 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
345 .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
346 .tmio_caps = MMC_CAP_SD_HIGHSPEED,
347 .tmio_ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
350 static struct resource sdhi0_resources[] = {
351 [0] = {
352 .name = "SDHI0",
353 .start = 0xee100000,
354 .end = 0xee1000ff,
355 .flags = IORESOURCE_MEM,
357 [1] = {
358 .name = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
359 .start = gic_spi(83),
360 .flags = IORESOURCE_IRQ,
362 [2] = {
363 .name = SH_MOBILE_SDHI_IRQ_SDCARD,
364 .start = gic_spi(84),
365 .flags = IORESOURCE_IRQ,
367 [3] = {
368 .name = SH_MOBILE_SDHI_IRQ_SDIO,
369 .start = gic_spi(85),
370 .flags = IORESOURCE_IRQ,
374 static struct platform_device sdhi0_device = {
375 .name = "sh_mobile_sdhi",
376 .id = 0,
377 .num_resources = ARRAY_SIZE(sdhi0_resources),
378 .resource = sdhi0_resources,
379 .dev = {
380 .platform_data = &sdhi0_info,
384 void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state)
386 gpio_set_value(GPIO_PORT114, state);
389 static struct sh_mobile_sdhi_info sh_sdhi1_info = {
390 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
391 .tmio_caps = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ,
392 .tmio_ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
393 .set_pwr = ag5evm_sdhi1_set_pwr,
396 static struct resource sdhi1_resources[] = {
397 [0] = {
398 .name = "SDHI1",
399 .start = 0xee120000,
400 .end = 0xee1200ff,
401 .flags = IORESOURCE_MEM,
403 [1] = {
404 .name = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
405 .start = gic_spi(87),
406 .flags = IORESOURCE_IRQ,
408 [2] = {
409 .name = SH_MOBILE_SDHI_IRQ_SDCARD,
410 .start = gic_spi(88),
411 .flags = IORESOURCE_IRQ,
413 [3] = {
414 .name = SH_MOBILE_SDHI_IRQ_SDIO,
415 .start = gic_spi(89),
416 .flags = IORESOURCE_IRQ,
420 static struct platform_device sdhi1_device = {
421 .name = "sh_mobile_sdhi",
422 .id = 1,
423 .dev = {
424 .platform_data = &sh_sdhi1_info,
426 .num_resources = ARRAY_SIZE(sdhi1_resources),
427 .resource = sdhi1_resources,
430 static struct platform_device *ag5evm_devices[] __initdata = {
431 &eth_device,
432 &keysc_device,
433 &fsi_device,
434 &mmc_device,
435 &irda_device,
436 &lcdc0_device,
437 &mipidsi0_device,
438 &sdhi0_device,
439 &sdhi1_device,
442 static struct map_desc ag5evm_io_desc[] __initdata = {
443 /* create a 1:1 entity map for 0xe6xxxxxx
444 * used by CPGA, INTC and PFC.
447 .virtual = 0xe6000000,
448 .pfn = __phys_to_pfn(0xe6000000),
449 .length = 256 << 20,
450 .type = MT_DEVICE_NONSHARED
454 static void __init ag5evm_map_io(void)
456 iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc));
457 /* DMA memory at 0xf6000000 - 0xffdfffff */
458 init_consistent_dma_size(158 << 20);
460 /* setup early devices and console here as well */
461 sh73a0_add_early_devices();
462 shmobile_setup_console();
465 #define PINTC_ADDR 0xe6900000
466 #define PINTER0A (PINTC_ADDR + 0xa0)
467 #define PINTCR0A (PINTC_ADDR + 0xb0)
469 void __init ag5evm_init_irq(void)
471 sh73a0_init_irq();
473 /* setup PINT: enable PINTA2 as active low */
474 __raw_writel(__raw_readl(PINTER0A) | (1<<29), PINTER0A);
475 __raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A);
478 #define DSI0PHYCR 0xe615006c
480 static void __init ag5evm_init(void)
482 sh73a0_pinmux_init();
484 /* enable SCIFA2 */
485 gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
486 gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
487 gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
488 gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
490 /* enable KEYSC */
491 gpio_request(GPIO_FN_KEYIN0_PU, NULL);
492 gpio_request(GPIO_FN_KEYIN1_PU, NULL);
493 gpio_request(GPIO_FN_KEYIN2_PU, NULL);
494 gpio_request(GPIO_FN_KEYIN3_PU, NULL);
495 gpio_request(GPIO_FN_KEYIN4_PU, NULL);
496 gpio_request(GPIO_FN_KEYIN5_PU, NULL);
497 gpio_request(GPIO_FN_KEYIN6_PU, NULL);
498 gpio_request(GPIO_FN_KEYIN7_PU, NULL);
499 gpio_request(GPIO_FN_KEYOUT0, NULL);
500 gpio_request(GPIO_FN_KEYOUT1, NULL);
501 gpio_request(GPIO_FN_KEYOUT2, NULL);
502 gpio_request(GPIO_FN_KEYOUT3, NULL);
503 gpio_request(GPIO_FN_KEYOUT4, NULL);
504 gpio_request(GPIO_FN_KEYOUT5, NULL);
505 gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
506 gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
507 gpio_request(GPIO_FN_KEYOUT8, NULL);
508 gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);
510 /* enable I2C channel 2 and 3 */
511 gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
512 gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
513 gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL);
514 gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL);
516 /* enable MMCIF */
517 gpio_request(GPIO_FN_MMCCLK0, NULL);
518 gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
519 gpio_request(GPIO_FN_MMCD0_0, NULL);
520 gpio_request(GPIO_FN_MMCD0_1, NULL);
521 gpio_request(GPIO_FN_MMCD0_2, NULL);
522 gpio_request(GPIO_FN_MMCD0_3, NULL);
523 gpio_request(GPIO_FN_MMCD0_4, NULL);
524 gpio_request(GPIO_FN_MMCD0_5, NULL);
525 gpio_request(GPIO_FN_MMCD0_6, NULL);
526 gpio_request(GPIO_FN_MMCD0_7, NULL);
527 gpio_request(GPIO_PORT208, NULL); /* Reset */
528 gpio_direction_output(GPIO_PORT208, 1);
530 /* enable SMSC911X */
531 gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
532 gpio_direction_input(GPIO_PORT144);
533 gpio_request(GPIO_PORT145, NULL); /* RESET */
534 gpio_direction_output(GPIO_PORT145, 1);
536 /* FSI A */
537 gpio_request(GPIO_FN_FSIACK, NULL);
538 gpio_request(GPIO_FN_FSIAILR, NULL);
539 gpio_request(GPIO_FN_FSIAIBT, NULL);
540 gpio_request(GPIO_FN_FSIAISLD, NULL);
541 gpio_request(GPIO_FN_FSIAOSLD, NULL);
543 /* IrDA */
544 gpio_request(GPIO_FN_PORT241_IRDA_OUT, NULL);
545 gpio_request(GPIO_FN_PORT242_IRDA_IN, NULL);
546 gpio_request(GPIO_FN_PORT243_IRDA_FIRSEL, NULL);
548 /* LCD panel */
549 gpio_request(GPIO_PORT217, NULL); /* RESET */
550 gpio_direction_output(GPIO_PORT217, 0);
551 mdelay(1);
552 gpio_set_value(GPIO_PORT217, 1);
553 mdelay(100);
555 /* LCD backlight controller */
556 gpio_request(GPIO_PORT235, NULL); /* RESET */
557 gpio_direction_output(GPIO_PORT235, 0);
558 lcd_backlight_reset();
560 /* MIPI-DSI clock setup */
561 __raw_writel(0x2a809010, DSI0PHYCR);
563 /* enable SDHI0 on CN15 [SD I/F] */
564 gpio_request(GPIO_FN_SDHICD0, NULL);
565 gpio_request(GPIO_FN_SDHIWP0, NULL);
566 gpio_request(GPIO_FN_SDHICMD0, NULL);
567 gpio_request(GPIO_FN_SDHICLK0, NULL);
568 gpio_request(GPIO_FN_SDHID0_3, NULL);
569 gpio_request(GPIO_FN_SDHID0_2, NULL);
570 gpio_request(GPIO_FN_SDHID0_1, NULL);
571 gpio_request(GPIO_FN_SDHID0_0, NULL);
573 /* enable SDHI1 on CN4 [WLAN I/F] */
574 gpio_request(GPIO_FN_SDHICLK1, NULL);
575 gpio_request(GPIO_FN_SDHICMD1_PU, NULL);
576 gpio_request(GPIO_FN_SDHID1_3_PU, NULL);
577 gpio_request(GPIO_FN_SDHID1_2_PU, NULL);
578 gpio_request(GPIO_FN_SDHID1_1_PU, NULL);
579 gpio_request(GPIO_FN_SDHID1_0_PU, NULL);
580 gpio_request(GPIO_PORT114, "sdhi1_power");
581 gpio_direction_output(GPIO_PORT114, 0);
583 #ifdef CONFIG_CACHE_L2X0
584 /* Shared attribute override enable, 64K*8way */
585 l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
586 #endif
587 sh73a0_add_standard_devices();
588 platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
591 static void __init ag5evm_timer_init(void)
593 sh73a0_clock_init();
594 shmobile_timer.init();
595 return;
598 struct sys_timer ag5evm_timer = {
599 .init = ag5evm_timer_init,
602 MACHINE_START(AG5EVM, "ag5evm")
603 .map_io = ag5evm_map_io,
604 .init_irq = ag5evm_init_irq,
605 .handle_irq = shmobile_handle_irq_gic,
606 .init_machine = ag5evm_init,
607 .timer = &ag5evm_timer,
608 MACHINE_END