1/*
2 *  linux/arch/arm/mach-pxa/colibri-pxa270.c
3 *
4 *  Support for Toradex PXA270 based Colibri module
5 *  Daniel Mack <daniel@caiaq.de>
6 *  Marek Vasut <marek.vasut@gmail.com>
7 *
8 *  This program is free software; you can redistribute it and/or modify
9 *  it under the terms of the GNU General Public License version 2 as
10 *  published by the Free Software Foundation.
11 */
12
13#include <linux/init.h>
14#include <linux/interrupt.h>
15#include <linux/moduleparam.h>
16#include <linux/kernel.h>
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/partitions.h>
19#include <linux/mtd/physmap.h>
20#include <linux/platform_device.h>
21#include <linux/regulator/machine.h>
22#include <linux/ucb1400.h>
23
24#include <asm/mach/arch.h>
25#include <asm/mach/flash.h>
26#include <asm/mach-types.h>
27#include <asm/sizes.h>
28
29#include <mach/audio.h>
30#include <mach/colibri.h>
31#include <mach/pxa27x.h>
32
33#include "devices.h"
34#include "generic.h"
35
36/******************************************************************************
37 * Evaluation board MFP
38 ******************************************************************************/
39#ifdef	 CONFIG_MACH_COLIBRI_EVALBOARD
40static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {
41	/* MMC */
42	GPIO32_MMC_CLK,
43	GPIO92_MMC_DAT_0,
44	GPIO109_MMC_DAT_1,
45	GPIO110_MMC_DAT_2,
46	GPIO111_MMC_DAT_3,
47	GPIO112_MMC_CMD,
48	GPIO0_GPIO,	/* SD detect */
49
50	/* FFUART */
51	GPIO39_FFUART_TXD,
52	GPIO34_FFUART_RXD,
53
54	/* UHC */
55	GPIO88_USBH1_PWR,
56	GPIO89_USBH1_PEN,
57	GPIO119_USBH2_PWR,
58	GPIO120_USBH2_PEN,
59
60	/* PCMCIA */
61	GPIO85_nPCE_1,
62	GPIO54_nPCE_2,
63	GPIO55_nPREG,
64	GPIO50_nPIOR,
65	GPIO51_nPIOW,
66	GPIO49_nPWE,
67	GPIO48_nPOE,
68	GPIO57_nIOIS16,
69	GPIO56_nPWAIT,
70	GPIO104_PSKTSEL,
71	GPIO53_GPIO,	/* RESET */
72	GPIO83_GPIO,	/* BVD1 */
73	GPIO82_GPIO,	/* BVD2 */
74	GPIO1_GPIO,	/* READY */
75	GPIO84_GPIO,	/* DETECT */
76	GPIO107_GPIO,	/* PPEN */
77
78	/* I2C */
79	GPIO117_I2C_SCL,
80	GPIO118_I2C_SDA,
81};
82#else
83static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {};
84#endif
85
86#ifdef	CONFIG_MACH_COLIBRI_PXA270_INCOME
87static mfp_cfg_t income_pin_config[] __initdata = {
88	/* MMC */
89	GPIO32_MMC_CLK,
90	GPIO92_MMC_DAT_0,
91	GPIO109_MMC_DAT_1,
92	GPIO110_MMC_DAT_2,
93	GPIO111_MMC_DAT_3,
94	GPIO112_MMC_CMD,
95	GPIO0_GPIO,	/* SD detect */
96	GPIO1_GPIO,	/* SD read-only */
97
98	/* FFUART */
99	GPIO39_FFUART_TXD,
100	GPIO34_FFUART_RXD,
101
102	/* BFUART */
103	GPIO42_BTUART_RXD,
104	GPIO43_BTUART_TXD,
105	GPIO45_BTUART_RTS,
106
107	/* STUART */
108	GPIO46_STUART_RXD,
109	GPIO47_STUART_TXD,
110
111	/* UHC */
112	GPIO88_USBH1_PWR,
113	GPIO89_USBH1_PEN,
114
115	/* LCD */
116	GPIOxx_LCD_TFT_16BPP,
117
118	/* PWM */
119	GPIO16_PWM0_OUT,
120
121	/* I2C */
122	GPIO117_I2C_SCL,
123	GPIO118_I2C_SDA,
124
125	/* LED */
126	GPIO54_GPIO,	/* LED A */
127	GPIO55_GPIO,	/* LED B */
128};
129#else
130static mfp_cfg_t income_pin_config[] __initdata = {};
131#endif
132
133/******************************************************************************
134 * Pin configuration
135 ******************************************************************************/
136static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = {
137	/* Ethernet */
138	GPIO78_nCS_2,	/* Ethernet CS */
139	GPIO114_GPIO,	/* Ethernet IRQ */
140
141	/* AC97 */
142	GPIO28_AC97_BITCLK,
143	GPIO29_AC97_SDATA_IN_0,
144	GPIO30_AC97_SDATA_OUT,
145	GPIO31_AC97_SYNC,
146	GPIO95_AC97_nRESET,
147	GPIO98_AC97_SYSCLK,
148	GPIO113_GPIO,	/* Touchscreen IRQ */
149};
150
151/******************************************************************************
152 * NOR Flash
153 ******************************************************************************/
154#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
155static struct mtd_partition colibri_partitions[] = {
156	{
157		.name =		"Bootloader",
158		.offset =	0x00000000,
159		.size =		0x00040000,
160		.mask_flags =	MTD_WRITEABLE	/* force read-only */
161	}, {
162		.name =		"Kernel",
163		.offset =	0x00040000,
164		.size =		0x00400000,
165		.mask_flags =	0
166	}, {
167		.name =		"Rootfs",
168		.offset =	0x00440000,
169		.size =		MTDPART_SIZ_FULL,
170		.mask_flags =	0
171	}
172};
173
174static struct physmap_flash_data colibri_flash_data[] = {
175	{
176		.width		= 4,			/* bankwidth in bytes */
177		.parts		= colibri_partitions,
178		.nr_parts	= ARRAY_SIZE(colibri_partitions)
179	}
180};
181
182static struct resource colibri_pxa270_flash_resource = {
183	.start	= PXA_CS0_PHYS,
184	.end	= PXA_CS0_PHYS + SZ_32M - 1,
185	.flags	= IORESOURCE_MEM,
186};
187
188static struct platform_device colibri_pxa270_flash_device = {
189	.name	= "physmap-flash",
190	.id	= 0,
191	.dev 	= {
192		.platform_data = colibri_flash_data,
193	},
194	.resource = &colibri_pxa270_flash_resource,
195	.num_resources = 1,
196};
197
198static void __init colibri_pxa270_nor_init(void)
199{
200	platform_device_register(&colibri_pxa270_flash_device);
201}
202#else
203static inline void colibri_pxa270_nor_init(void) {}
204#endif
205
206/******************************************************************************
207 * Ethernet
208 ******************************************************************************/
209#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
210static struct resource colibri_pxa270_dm9000_resources[] = {
211	{
212		.start	= PXA_CS2_PHYS,
213		.end	= PXA_CS2_PHYS + 3,
214		.flags	= IORESOURCE_MEM,
215	},
216	{
217		.start	= PXA_CS2_PHYS + 4,
218		.end	= PXA_CS2_PHYS + 4 + 500,
219		.flags	= IORESOURCE_MEM,
220	},
221	{
222		.start	= PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ),
223		.end	= PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ),
224		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
225	},
226};
227
228static struct platform_device colibri_pxa270_dm9000_device = {
229	.name		= "dm9000",
230	.id		= -1,
231	.num_resources	= ARRAY_SIZE(colibri_pxa270_dm9000_resources),
232	.resource	= colibri_pxa270_dm9000_resources,
233};
234
235static void __init colibri_pxa270_eth_init(void)
236{
237	platform_device_register(&colibri_pxa270_dm9000_device);
238}
239#else
240static inline void colibri_pxa270_eth_init(void) {}
241#endif
242
243/******************************************************************************
244 * Audio and Touchscreen
245 ******************************************************************************/
246#if	defined(CONFIG_TOUCHSCREEN_UCB1400) || \
247	defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
248static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = {
249	.reset_gpio	= 95,
250};
251
252static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = {
253	.irq		= PXA_GPIO_TO_IRQ(GPIO113_COLIBRI_PXA270_TS_IRQ),
254};
255
256static struct platform_device colibri_pxa270_ucb1400_device = {
257	.name		= "ucb1400_core",
258	.id		= -1,
259	.dev		= {
260		.platform_data = &colibri_pxa270_ucb1400_pdata,
261	},
262};
263
264static void __init colibri_pxa270_tsc_init(void)
265{
266	pxa_set_ac97_info(&colibri_pxa270_ac97_pdata);
267	platform_device_register(&colibri_pxa270_ucb1400_device);
268}
269#else
270static inline void colibri_pxa270_tsc_init(void) {}
271#endif
272
273static int colibri_pxa270_baseboard;
274core_param(colibri_pxa270_baseboard, colibri_pxa270_baseboard, int, 0444);
275
276static void __init colibri_pxa270_init(void)
277{
278	pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config));
279
280	colibri_pxa270_nor_init();
281	colibri_pxa270_eth_init();
282	colibri_pxa270_tsc_init();
283
284	switch (colibri_pxa270_baseboard) {
285	case COLIBRI_EVALBOARD:
286		pxa2xx_mfp_config(ARRAY_AND_SIZE(
287			colibri_pxa270_evalboard_pin_config));
288		colibri_evalboard_init();
289		break;
290	case COLIBRI_PXA270_INCOME:
291		pxa2xx_mfp_config(ARRAY_AND_SIZE(income_pin_config));
292		colibri_pxa270_income_boardinit();
293		break;
294	default:
295		printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n",
296				colibri_pxa270_baseboard);
297	}
298
299	regulator_has_full_constraints();
300}
301
302/* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either
303 * with the INCOME mach type or with COLIBRI and the kernel parameter
304 * "colibri_pxa270_baseboard=1"
305 */
306static void __init colibri_pxa270_income_init(void)
307{
308	colibri_pxa270_baseboard = COLIBRI_PXA270_INCOME;
309	colibri_pxa270_init();
310}
311
312MACHINE_START(COLIBRI, "Toradex Colibri PXA270")
313	.atag_offset	= 0x100,
314	.init_machine	= colibri_pxa270_init,
315	.map_io		= pxa27x_map_io,
316	.nr_irqs	= PXA_NR_IRQS,
317	.init_irq	= pxa27x_init_irq,
318	.handle_irq	= pxa27x_handle_irq,
319	.init_time	= pxa_timer_init,
320	.restart	= pxa_restart,
321MACHINE_END
322
323MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC")
324	.atag_offset	= 0x100,
325	.init_machine	= colibri_pxa270_income_init,
326	.map_io		= pxa27x_map_io,
327	.nr_irqs	= PXA_NR_IRQS,
328	.init_irq	= pxa27x_init_irq,
329	.handle_irq	= pxa27x_handle_irq,
330	.init_time	= pxa_timer_init,
331	.restart	= pxa_restart,
332MACHINE_END
333
334