1/*
2 * linux/arch/arm/mach-omap1/board-innovator.c
3 *
4 * Board specific inits for OMAP-1510 and OMAP-1610 Innovator
5 *
6 * Copyright (C) 2001 RidgeRun, Inc.
7 * Author: Greg Lonnon <glonnon@ridgerun.com>
8 *
9 * Copyright (C) 2002 MontaVista Software, Inc.
10 *
11 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
12 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18
19#include <linux/kernel.h>
20#include <linux/init.h>
21#include <linux/platform_device.h>
22#include <linux/delay.h>
23#include <linux/mtd/mtd.h>
24#include <linux/mtd/partitions.h>
25#include <linux/input.h>
26
27#include <asm/hardware.h>
28#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30#include <asm/mach/flash.h>
31#include <asm/mach/map.h>
32
33#include <asm/arch/mux.h>
34#include <asm/arch/fpga.h>
35#include <asm/arch/gpio.h>
36#include <asm/arch/tc.h>
37#include <asm/arch/usb.h>
38#include <asm/arch/keypad.h>
39#include <asm/arch/common.h>
40#include <asm/arch/mcbsp.h>
41#include <asm/arch/omap-alsa.h>
42
43static int innovator_keymap[] = {
44	KEY(0, 0, KEY_F1),
45	KEY(0, 3, KEY_DOWN),
46	KEY(1, 1, KEY_F2),
47	KEY(1, 2, KEY_RIGHT),
48	KEY(2, 0, KEY_F3),
49	KEY(2, 1, KEY_F4),
50	KEY(2, 2, KEY_UP),
51	KEY(3, 2, KEY_ENTER),
52	KEY(3, 3, KEY_LEFT),
53	0
54};
55
56static struct mtd_partition innovator_partitions[] = {
57	/* bootloader (U-Boot, etc) in first sector */
58	{
59	      .name		= "bootloader",
60	      .offset		= 0,
61	      .size		= SZ_128K,
62	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
63	},
64	/* bootloader params in the next sector */
65	{
66	      .name		= "params",
67	      .offset		= MTDPART_OFS_APPEND,
68	      .size		= SZ_128K,
69	      .mask_flags	= 0,
70	},
71	/* kernel */
72	{
73	      .name		= "kernel",
74	      .offset		= MTDPART_OFS_APPEND,
75	      .size		= SZ_2M,
76	      .mask_flags	= 0
77	},
78	/* rest of flash1 is a file system */
79	{
80	      .name		= "rootfs",
81	      .offset		= MTDPART_OFS_APPEND,
82	      .size		= SZ_16M - SZ_2M - 2 * SZ_128K,
83	      .mask_flags	= 0
84	},
85	/* file system */
86	{
87	      .name		= "filesystem",
88	      .offset		= MTDPART_OFS_APPEND,
89	      .size		= MTDPART_SIZ_FULL,
90	      .mask_flags	= 0
91	}
92};
93
94static struct flash_platform_data innovator_flash_data = {
95	.map_name	= "cfi_probe",
96	.width		= 2,
97	.parts		= innovator_partitions,
98	.nr_parts	= ARRAY_SIZE(innovator_partitions),
99};
100
101static struct resource innovator_flash_resource = {
102	.start		= OMAP_CS0_PHYS,
103	.end		= OMAP_CS0_PHYS + SZ_32M - 1,
104	.flags		= IORESOURCE_MEM,
105};
106
107static struct platform_device innovator_flash_device = {
108	.name		= "omapflash",
109	.id		= 0,
110	.dev		= {
111		.platform_data	= &innovator_flash_data,
112	},
113	.num_resources	= 1,
114	.resource	= &innovator_flash_resource,
115};
116
117#define DEFAULT_BITPERSAMPLE 16
118
119static struct omap_mcbsp_reg_cfg mcbsp_regs = {
120	.spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
121	.spcr1 = RINTM(3) | RRST,
122	.rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
123	    RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
124	.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
125	.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
126	    XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
127	.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
128	.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
129	.srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
130	/*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
131	.pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
132};
133
134static struct omap_alsa_codec_config alsa_config = {
135	.name			= "OMAP Innovator AIC23",
136	.mcbsp_regs_alsa	= &mcbsp_regs,
137	.codec_configure_dev	= NULL, // aic23_configure,
138	.codec_set_samplerate	= NULL, // aic23_set_samplerate,
139	.codec_clock_setup	= NULL, // aic23_clock_setup,
140	.codec_clock_on		= NULL, // aic23_clock_on,
141	.codec_clock_off	= NULL, // aic23_clock_off,
142	.get_default_samplerate	= NULL, // aic23_get_default_samplerate,
143};
144
145static struct platform_device innovator_mcbsp1_device = {
146	.name	= "omap_alsa_mcbsp",
147 	.id	= 1,
148	.dev = {
149		.platform_data	= &alsa_config,
150	},
151};
152
153static struct resource innovator_kp_resources[] = {
154	[0] = {
155		.start	= INT_KEYBOARD,
156		.end	= INT_KEYBOARD,
157		.flags	= IORESOURCE_IRQ,
158	},
159};
160
161static struct omap_kp_platform_data innovator_kp_data = {
162	.rows		= 8,
163	.cols		= 8,
164	.keymap		= innovator_keymap,
165	.keymapsize	= ARRAY_SIZE(innovator_keymap),
166	.delay		= 4,
167};
168
169static struct platform_device innovator_kp_device = {
170	.name		= "omap-keypad",
171	.id		= -1,
172	.dev		= {
173		.platform_data = &innovator_kp_data,
174	},
175	.num_resources	= ARRAY_SIZE(innovator_kp_resources),
176	.resource	= innovator_kp_resources,
177};
178
179
180#ifdef CONFIG_ARCH_OMAP15XX
181
182#include <linux/spi/spi.h>
183#include <linux/spi/ads7846.h>
184
185
186/* Only FPGA needs to be mapped here. All others are done with ioremap */
187static struct map_desc innovator1510_io_desc[] __initdata = {
188	{
189		.virtual	= OMAP1510_FPGA_BASE,
190		.pfn		= __phys_to_pfn(OMAP1510_FPGA_START),
191		.length		= OMAP1510_FPGA_SIZE,
192		.type		= MT_DEVICE
193	}
194};
195
196static struct resource innovator1510_smc91x_resources[] = {
197	[0] = {
198		.start	= OMAP1510_FPGA_ETHR_START,	/* Physical */
199		.end	= OMAP1510_FPGA_ETHR_START + 0xf,
200		.flags	= IORESOURCE_MEM,
201	},
202	[1] = {
203		.start	= OMAP1510_INT_ETHER,
204		.end	= OMAP1510_INT_ETHER,
205		.flags	= IORESOURCE_IRQ,
206	},
207};
208
209static struct platform_device innovator1510_smc91x_device = {
210	.name		= "smc91x",
211	.id		= 0,
212	.num_resources	= ARRAY_SIZE(innovator1510_smc91x_resources),
213	.resource	= innovator1510_smc91x_resources,
214};
215
216static struct platform_device innovator1510_lcd_device = {
217	.name		= "lcd_inn1510",
218	.id		= -1,
219};
220
221static struct platform_device innovator1510_spi_device = {
222	.name		= "spi_inn1510",
223	.id		= -1,
224};
225
226static struct platform_device *innovator1510_devices[] __initdata = {
227	&innovator_flash_device,
228	&innovator1510_smc91x_device,
229	&innovator_mcbsp1_device,
230	&innovator_kp_device,
231	&innovator1510_lcd_device,
232	&innovator1510_spi_device,
233};
234
235static int innovator_get_pendown_state(void)
236{
237	return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
238}
239
240static const struct ads7846_platform_data innovator1510_ts_info = {
241	.model			= 7846,
242	.vref_delay_usecs	= 100,	/* internal, no capacitor */
243	.x_plate_ohms		= 419,
244	.y_plate_ohms		= 486,
245	.get_pendown_state	= innovator_get_pendown_state,
246};
247
248static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
249	/* FPGA (bus "10") CS0 has an ads7846e */
250	.modalias		= "ads7846",
251	.platform_data		= &innovator1510_ts_info,
252	.irq			= OMAP1510_INT_FPGA_TS,
253	.max_speed_hz		= 120000 /* max sample rate at 3V */
254					* 26 /* command + data + overhead */,
255	.bus_num		= 10,
256	.chip_select		= 0,
257} };
258
259#endif /* CONFIG_ARCH_OMAP15XX */
260
261#ifdef CONFIG_ARCH_OMAP16XX
262
263static struct resource innovator1610_smc91x_resources[] = {
264	[0] = {
265		.start	= INNOVATOR1610_ETHR_START,		/* Physical */
266		.end	= INNOVATOR1610_ETHR_START + 0xf,
267		.flags	= IORESOURCE_MEM,
268	},
269	[1] = {
270		.start	= OMAP_GPIO_IRQ(0),
271		.end	= OMAP_GPIO_IRQ(0),
272		.flags	= IORESOURCE_IRQ,
273	},
274};
275
276static struct platform_device innovator1610_smc91x_device = {
277	.name		= "smc91x",
278	.id		= 0,
279	.num_resources	= ARRAY_SIZE(innovator1610_smc91x_resources),
280	.resource	= innovator1610_smc91x_resources,
281};
282
283static struct platform_device innovator1610_lcd_device = {
284	.name		= "inn1610_lcd",
285	.id		= -1,
286};
287
288static struct platform_device *innovator1610_devices[] __initdata = {
289	&innovator_flash_device,
290	&innovator1610_smc91x_device,
291	&innovator_kp_device,
292	&innovator1610_lcd_device,
293};
294
295#endif /* CONFIG_ARCH_OMAP16XX */
296
297static void __init innovator_init_smc91x(void)
298{
299	if (cpu_is_omap1510()) {
300		fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
301			   OMAP1510_FPGA_RST);
302		udelay(750);
303	} else {
304		if ((omap_request_gpio(0)) < 0) {
305			printk("Error requesting gpio 0 for smc91x irq\n");
306			return;
307		}
308	}
309}
310
311static void __init innovator_init_irq(void)
312{
313	omap1_init_common_hw();
314	omap_init_irq();
315	omap_gpio_init();
316#ifdef CONFIG_ARCH_OMAP15XX
317	if (cpu_is_omap1510()) {
318		omap1510_fpga_init_irq();
319	}
320#endif
321	innovator_init_smc91x();
322}
323
324#ifdef CONFIG_ARCH_OMAP15XX
325static struct omap_usb_config innovator1510_usb_config __initdata = {
326	/* for bundled non-standard host and peripheral cables */
327	.hmc_mode	= 4,
328
329	.register_host	= 1,
330	.pins[1]	= 6,
331	.pins[2]	= 6,		/* Conflicts with UART2 */
332
333	.register_dev	= 1,
334	.pins[0]	= 2,
335};
336
337static struct omap_lcd_config innovator1510_lcd_config __initdata = {
338	.ctrl_name	= "internal",
339};
340#endif
341
342#ifdef CONFIG_ARCH_OMAP16XX
343static struct omap_usb_config h2_usb_config __initdata = {
344	/* usb1 has a Mini-AB port and external isp1301 transceiver */
345	.otg		= 2,
346
347#ifdef	CONFIG_USB_GADGET_OMAP
348	.hmc_mode	= 19,	// 0:host(off) 1:dev|otg 2:disabled
349	// .hmc_mode	= 21,	// 0:host(off) 1:dev(loopback) 2:host(loopback)
350#elif	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
351	/* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
352	.hmc_mode	= 20,	// 1:dev|otg(off) 1:host 2:disabled
353#endif
354
355	.pins[1]	= 3,
356};
357
358static struct omap_lcd_config innovator1610_lcd_config __initdata = {
359	.ctrl_name	= "internal",
360};
361#endif
362
363static struct omap_mmc_config innovator_mmc_config __initdata = {
364	.mmc [0] = {
365		.enabled 	= 1,
366		.wire4		= 1,
367		.wp_pin		= OMAP_MPUIO(3),
368		.power_pin	= -1,	/* FPGA F3 UIO42 */
369		.switch_pin	= -1,	/* FPGA F4 UIO43 */
370	},
371};
372
373static struct omap_uart_config innovator_uart_config __initdata = {
374	.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
375};
376
377static struct omap_board_config_kernel innovator_config[] = {
378	{ OMAP_TAG_USB,         NULL },
379	{ OMAP_TAG_LCD,		NULL },
380	{ OMAP_TAG_MMC,		&innovator_mmc_config },
381	{ OMAP_TAG_UART,	&innovator_uart_config },
382};
383
384static void __init innovator_init(void)
385{
386#ifdef CONFIG_ARCH_OMAP15XX
387	if (cpu_is_omap1510()) {
388		platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
389		spi_register_board_info(innovator1510_boardinfo,
390				ARRAY_SIZE(innovator1510_boardinfo));
391	}
392#endif
393#ifdef CONFIG_ARCH_OMAP16XX
394	if (!cpu_is_omap1510()) {
395		platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
396	}
397#endif
398
399#ifdef CONFIG_ARCH_OMAP15XX
400	if (cpu_is_omap1510()) {
401		innovator_config[0].data = &innovator1510_usb_config;
402		innovator_config[1].data = &innovator1510_lcd_config;
403	}
404#endif
405#ifdef CONFIG_ARCH_OMAP16XX
406	if (cpu_is_omap1610()) {
407		innovator_config[0].data = &h2_usb_config;
408		innovator_config[1].data = &innovator1610_lcd_config;
409	}
410#endif
411	omap_board_config = innovator_config;
412	omap_board_config_size = ARRAY_SIZE(innovator_config);
413	omap_serial_init();
414}
415
416static void __init innovator_map_io(void)
417{
418	omap1_map_common_io();
419
420#ifdef CONFIG_ARCH_OMAP15XX
421	if (cpu_is_omap1510()) {
422		iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
423		udelay(10);	/* Delay needed for FPGA */
424
425		/* Dump the Innovator FPGA rev early - useful info for support. */
426		printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
427		       fpga_read(OMAP1510_FPGA_REV_HIGH),
428		       fpga_read(OMAP1510_FPGA_REV_LOW),
429		       fpga_read(OMAP1510_FPGA_BOARD_REV));
430	}
431#endif
432}
433
434MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
435	/* Maintainer: MontaVista Software, Inc. */
436	.phys_io	= 0xfff00000,
437	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
438	.boot_params	= 0x10000100,
439	.map_io		= innovator_map_io,
440	.init_irq	= innovator_init_irq,
441	.init_machine	= innovator_init,
442	.timer		= &omap_timer,
443MACHINE_END
444