[mirror_ubuntu-bionic-kernel.git] / arch / arm / mach-omap1 / board-palmz71.c

/*
 * linux/arch/arm/mach-omap1/board-palmz71.c
 *
 * Modified from board-generic.c
 *
 * Support for the Palm Zire71 PDA.
 *
 * Original version : Laurent Gonzalez
 *
 * Modified for zire71 : Marek Vasut
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/notifier.h>
#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>

#include <asm/arch/mcbsp.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mux.h>
#include <asm/arch/usb.h>
#include <asm/arch/dma.h>
#include <asm/arch/tc.h>
#include <asm/arch/board.h>
#include <asm/arch/irda.h>
#include <asm/arch/keypad.h>
#include <asm/arch/common.h>
#include <asm/arch/omap-alsa.h>

#include <linux/input.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>

static void __init
omap_palmz71_init_irq(void)
{
	omap1_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
}

static int palmz71_keymap[] = {
	KEY(0, 0, KEY_F1),
	KEY(0, 1, KEY_F2),
	KEY(0, 2, KEY_F3),
	KEY(0, 3, KEY_F4),
	KEY(0, 4, KEY_POWER),
	KEY(1, 0, KEY_LEFT),
	KEY(1, 1, KEY_DOWN),
	KEY(1, 2, KEY_UP),
	KEY(1, 3, KEY_RIGHT),
	KEY(1, 4, KEY_CENTER),
	KEY(2, 0, KEY_CAMERA),
	0,
};

static struct omap_kp_platform_data palmz71_kp_data = {
	.rows	= 8,
	.cols	= 8,
	.keymap	= palmz71_keymap,
	.rep	= 1,
	.delay	= 80,
};

static struct resource palmz71_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device palmz71_kp_device = {
	.name	= "omap-keypad",
	.id	= -1,
	.dev	= {
		.platform_data = &palmz71_kp_data,
	},
	.num_resources	= ARRAY_SIZE(palmz71_kp_resources),
	.resource	= palmz71_kp_resources,
};

static struct mtd_partition palmz71_rom_partitions[] = {
	/* PalmOS "Small ROM", contains the bootloader and the debugger */
	{
		.name		= "smallrom",
		.offset		= 0,
		.size		= 0xa000,
		.mask_flags	= MTD_WRITEABLE,
	},
	/* PalmOS "Big ROM", a filesystem with all the OS code and data */
	{
		.name	= "bigrom",
		.offset	= SZ_128K,
		/*
		 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
		 * 0x7b0000 bytes in the English-only ("enUS") version.
		 */
		.size		= 0x7b0000,
		.mask_flags	= MTD_WRITEABLE,
	},
};

static struct flash_platform_data palmz71_rom_data = {
	.map_name	= "map_rom",
	.name		= "onboardrom",
	.width		= 2,
	.parts		= palmz71_rom_partitions,
	.nr_parts	= ARRAY_SIZE(palmz71_rom_partitions),
};

static struct resource palmz71_rom_resource = {
	.start	= OMAP_CS0_PHYS,
	.end	= OMAP_CS0_PHYS + SZ_8M - 1,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device palmz71_rom_device = {
	.name	= "omapflash",
	.id	= -1,
	.dev = {
		.platform_data = &palmz71_rom_data,
	},
	.num_resources	= 1,
	.resource	= &palmz71_rom_resource,
};

static struct platform_device palmz71_lcd_device = {
	.name	= "lcd_palmz71",
	.id	= -1,
};

static struct omap_irda_config palmz71_irda_config = {
	.transceiver_cap	= IR_SIRMODE,
	.rx_channel		= OMAP_DMA_UART3_RX,
	.tx_channel		= OMAP_DMA_UART3_TX,
	.dest_start		= UART3_THR,
	.src_start		= UART3_RHR,
	.tx_trigger		= 0,
	.rx_trigger		= 0,
};

static struct resource palmz71_irda_resources[] = {
	[0] = {
		.start	= INT_UART3,
		.end	= INT_UART3,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device palmz71_irda_device = {
	.name	= "omapirda",
	.id	= -1,
	.dev = {
		.platform_data = &palmz71_irda_config,
	},
	.num_resources	= ARRAY_SIZE(palmz71_irda_resources),
	.resource	= palmz71_irda_resources,
};

static struct platform_device palmz71_spi_device = {
	.name	= "spi_palmz71",
	.id	= -1,
};

#define DEFAULT_BITPERSAMPLE 16

static struct omap_mcbsp_reg_cfg mcbsp_regs = {
	.spcr2	= FREE | FRST | GRST | XRST | XINTM(3),
	.spcr1	= RINTM(3) | RRST,
	.rcr2	= RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
			RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
	.rcr1	= RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
	.xcr2	= XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
			XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
	.xcr1	= XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
	.srgr1	= FWID(DEFAULT_BITPERSAMPLE - 1),
	.srgr2	= GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
	.pcr0	= CLKXP | CLKRP,	/* mcbsp: slave */
};

static struct omap_alsa_codec_config alsa_config = {
	.name			= "PalmZ71 AIC23",
	.mcbsp_regs_alsa	= &mcbsp_regs,
	.codec_configure_dev	= NULL,	/* aic23_configure */
	.codec_set_samplerate	= NULL,	/* aic23_set_samplerate */
	.codec_clock_setup	= NULL,	/* aic23_clock_setup */
	.codec_clock_on		= NULL,	/* aic23_clock_on */
	.codec_clock_off	= NULL,	/* aic23_clock_off */
	.get_default_samplerate	= NULL,	/* aic23_get_default_samplerate */
};

static struct platform_device palmz71_mcbsp1_device = {
	.name	= "omap_alsa_mcbsp",
	.id	= 1,
	.dev = {
		.platform_data = &alsa_config,
	},
};

static struct omap_backlight_config palmz71_backlight_config = {
	.default_intensity	= 0xa0,
};

static struct platform_device palmz71_backlight_device = {
	.name	= "omap-bl",
	.id	= -1,
	.dev	= {
		.platform_data = &palmz71_backlight_config,
	},
};

static struct platform_device *devices[] __initdata = {
	&palmz71_rom_device,
	&palmz71_kp_device,
	&palmz71_mcbsp1_device,
	&palmz71_lcd_device,
	&palmz71_irda_device,
	&palmz71_spi_device,
	&palmz71_backlight_device,
};

static int
palmz71_get_pendown_state(void)
{
	return !omap_get_gpio_datain(PALMZ71_PENIRQ_GPIO);
}

static const struct ads7846_platform_data palmz71_ts_info = {
	.model			= 7846,
	.vref_delay_usecs	= 100,	/* internal, no capacitor */
	.x_plate_ohms		= 419,
	.y_plate_ohms		= 486,
	.get_pendown_state	= palmz71_get_pendown_state,
};

static struct spi_board_info __initdata palmz71_boardinfo[] = { {
	/* MicroWire (bus 2) CS0 has an ads7846e */
	.modalias	= "ads7846",
	.platform_data	= &palmz71_ts_info,
	.irq		= OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
	.max_speed_hz	= 120000	/* max sample rate at 3V */
				* 26	/* command + data + overhead */,
	.bus_num	= 2,
	.chip_select	= 0,
} };

static struct omap_usb_config palmz71_usb_config __initdata = {
	.register_dev	= 1,	/* Mini-B only receptacle */
	.hmc_mode	= 0,
	.pins[0]	= 2,
};

static struct omap_mmc_config palmz71_mmc_config __initdata = {
	.mmc[0] = {
		.enabled	= 1,
		.wire4		= 0,
		.wp_pin		= PALMZ71_MMC_WP_GPIO,
		.power_pin	= -1,
		.switch_pin	= PALMZ71_MMC_IN_GPIO,
	},
};

static struct omap_lcd_config palmz71_lcd_config __initdata = {
	.ctrl_name = "internal",
};

static struct omap_uart_config palmz71_uart_config __initdata = {
	.enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
};

static struct omap_board_config_kernel palmz71_config[] = {
	{OMAP_TAG_USB,	&palmz71_usb_config},
	{OMAP_TAG_MMC,	&palmz71_mmc_config},
	{OMAP_TAG_LCD,	&palmz71_lcd_config},
	{OMAP_TAG_UART,	&palmz71_uart_config},
};

static irqreturn_t
palmz71_powercable(int irq, void *dev_id)
{
	if (omap_get_gpio_datain(PALMZ71_USBDETECT_GPIO)) {
		printk(KERN_INFO "PM: Power cable connected\n");
		set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
				IRQT_FALLING);
	} else {
		printk(KERN_INFO "PM: Power cable disconnected\n");
		set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
				IRQT_RISING);
	}
	return IRQ_HANDLED;
}

static void __init
omap_mpu_wdt_mode(int mode)
{
	if (mode)
		omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
	else {
		omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
		omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
	}
}

static void __init
palmz71_gpio_setup(int early)
{
	if (early) {
		/* Only set GPIO1 so we have a working serial */
		omap_set_gpio_dataout(1, 1);
		omap_set_gpio_direction(1, 0);
	} else {
		/* Set MMC/SD host WP pin as input */
		if (omap_request_gpio(PALMZ71_MMC_WP_GPIO)) {
			printk(KERN_ERR "Could not reserve WP GPIO!\n");
			return;
		}
		omap_set_gpio_direction(PALMZ71_MMC_WP_GPIO, 1);

		/* Monitor the Power-cable-connected signal */
		if (omap_request_gpio(PALMZ71_USBDETECT_GPIO)) {
			printk(KERN_ERR
				"Could not reserve cable signal GPIO!\n");
			return;
		}
		omap_set_gpio_direction(PALMZ71_USBDETECT_GPIO, 1);
		if (request_irq(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
				palmz71_powercable, IRQF_SAMPLE_RANDOM,
				"palmz71-cable", 0))
			printk(KERN_ERR
					"IRQ request for power cable failed!\n");
		palmz71_powercable(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), 0);
	}
}

static void __init
omap_palmz71_init(void)
{
	palmz71_gpio_setup(1);
	omap_mpu_wdt_mode(0);

	omap_board_config = palmz71_config;
	omap_board_config_size = ARRAY_SIZE(palmz71_config);

	platform_add_devices(devices, ARRAY_SIZE(devices));

	spi_register_board_info(palmz71_boardinfo,
				ARRAY_SIZE(palmz71_boardinfo));
	omap_serial_init();
	palmz71_gpio_setup(0);
}

static void __init
omap_palmz71_map_io(void)
{
	omap1_map_common_io();
}

MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
	.phys_io = 0xfff00000,
	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
	.boot_params = 0x10000100,.map_io = omap_palmz71_map_io,
	.init_irq = omap_palmz71_init_irq,
	.init_machine = omap_palmz71_init,
	.timer = &omap_timer,
MACHINE_END
Commit	Line	Data
ec70e8af MV	1	/*
	2	* linux/arch/arm/mach-omap1/board-palmz71.c
	3	*
	4	* Modified from board-generic.c
	5	*
	6	* Support for the Palm Zire71 PDA.
	7	*
	8	* Original version : Laurent Gonzalez
	9	*
	10	* Modified for zire71 : Marek Vasut
	11	*
	12	* This program is free software; you can redistribute it and/or modify
	13	* it under the terms of the GNU General Public License version 2 as
	14	* published by the Free Software Foundation.
	15	*/
	16
	17	#include <linux/delay.h>
	18	#include <linux/kernel.h>
	19	#include <linux/init.h>
	20	#include <linux/platform_device.h>
	21	#include <linux/notifier.h>
	22	#include <linux/clk.h>
	23	#include <linux/irq.h>
	24	#include <linux/input.h>
	25	#include <linux/interrupt.h>
	26	#include <linux/mtd/mtd.h>
	27	#include <linux/mtd/partitions.h>
	28
	29	#include <asm/hardware.h>
	30	#include <asm/mach-types.h>
	31	#include <asm/mach/arch.h>
	32	#include <asm/mach/map.h>
	33	#include <asm/mach/flash.h>
	34
	35	#include <asm/arch/mcbsp.h>
	36	#include <asm/arch/gpio.h>
	37	#include <asm/arch/mux.h>
	38	#include <asm/arch/usb.h>
	39	#include <asm/arch/dma.h>
	40	#include <asm/arch/tc.h>
	41	#include <asm/arch/board.h>
	42	#include <asm/arch/irda.h>
	43	#include <asm/arch/keypad.h>
	44	#include <asm/arch/common.h>
	45	#include <asm/arch/omap-alsa.h>
	46
	47	#include <linux/input.h>
	48	#include <linux/spi/spi.h>
	49	#include <linux/spi/ads7846.h>
	50
	51	static void __init
	52	omap_palmz71_init_irq(void)
	53	{
	54	omap1_init_common_hw();
	55	omap_init_irq();
	56	omap_gpio_init();
	57	}
	58
	59	static int palmz71_keymap[] = {
	60	KEY(0, 0, KEY_F1),
	61	KEY(0, 1, KEY_F2),
	62	KEY(0, 2, KEY_F3),
	63	KEY(0, 3, KEY_F4),
	64	KEY(0, 4, KEY_POWER),
65	KEY(1, 0, KEY_LEFT),
66	KEY(1, 1, KEY_DOWN),
67	KEY(1, 2, KEY_UP),
68	KEY(1, 3, KEY_RIGHT),
69	KEY(1, 4, KEY_CENTER),
70	KEY(2, 0, KEY_CAMERA),
71	0,
72	};
73
74	static struct omap_kp_platform_data palmz71_kp_data = {
75	.rows = 8,
76	.cols = 8,
77	.keymap = palmz71_keymap,
78	.rep = 1,
79	.delay = 80,
80	};
81
82	static struct resource palmz71_kp_resources[] = {
83	[0] = {
84	.start = INT_KEYBOARD,
85	.end = INT_KEYBOARD,
86	.flags = IORESOURCE_IRQ,
87	},
88	};
89
90	static struct platform_device palmz71_kp_device = {
91	.name = "omap-keypad",
92	.id = -1,
93	.dev = {
94	.platform_data = &palmz71_kp_data,
95	},
96	.num_resources = ARRAY_SIZE(palmz71_kp_resources),
97	.resource = palmz71_kp_resources,
98	};
99
100	static struct mtd_partition palmz71_rom_partitions[] = {
101	/* PalmOS "Small ROM", contains the bootloader and the debugger */
102	{
103	.name = "smallrom",
104	.offset = 0,
105	.size = 0xa000,
106	.mask_flags = MTD_WRITEABLE,
107	},
108	/* PalmOS "Big ROM", a filesystem with all the OS code and data */
109	{
110	.name = "bigrom",
111	.offset = SZ_128K,
112	/*
113	* 0x5f0000 bytes big in the multi-language ("EFIGS") version,
114	* 0x7b0000 bytes in the English-only ("enUS") version.
115	*/
116	.size = 0x7b0000,
117	.mask_flags = MTD_WRITEABLE,
118	},
119	};
120
121	static struct flash_platform_data palmz71_rom_data = {
122	.map_name = "map_rom",
123	.name = "onboardrom",
124	.width = 2,
125	.parts = palmz71_rom_partitions,
126	.nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
127	};
128
129	static struct resource palmz71_rom_resource = {
130	.start = OMAP_CS0_PHYS,
131	.end = OMAP_CS0_PHYS + SZ_8M - 1,
132	.flags = IORESOURCE_MEM,
133	};
134
135	static struct platform_device palmz71_rom_device = {
136	.name = "omapflash",
137	.id = -1,
138	.dev = {
139	.platform_data = &palmz71_rom_data,
140	},
141	.num_resources = 1,
142	.resource = &palmz71_rom_resource,
143	};
144
145	static struct platform_device palmz71_lcd_device = {
146	.name = "lcd_palmz71",
147	.id = -1,
148	};
149
150	static struct omap_irda_config palmz71_irda_config = {
151	.transceiver_cap = IR_SIRMODE,
152	.rx_channel = OMAP_DMA_UART3_RX,
153	.tx_channel = OMAP_DMA_UART3_TX,
154	.dest_start = UART3_THR,
155	.src_start = UART3_RHR,
156	.tx_trigger = 0,
157	.rx_trigger = 0,
158	};
159
160	static struct resource palmz71_irda_resources[] = {
161	[0] = {
162	.start = INT_UART3,
163	.end = INT_UART3,
164	.flags = IORESOURCE_IRQ,
165	},
166	};
167
168	static struct platform_device palmz71_irda_device = {
169	.name = "omapirda",
170	.id = -1,
171	.dev = {
172	.platform_data = &palmz71_irda_config,
173	},
174	.num_resources = ARRAY_SIZE(palmz71_irda_resources),
175	.resource = palmz71_irda_resources,
176	};
177
178	static struct platform_device palmz71_spi_device = {
179	.name = "spi_palmz71",
180	.id = -1,
181	};
182
183	#define DEFAULT_BITPERSAMPLE 16
184
185	static struct omap_mcbsp_reg_cfg mcbsp_regs = {
186	.spcr2 = FREE \| FRST \| GRST \| XRST \| XINTM(3),
187	.spcr1 = RINTM(3) \| RRST,
188	.rcr2 = RPHASE \| RFRLEN2(OMAP_MCBSP_WORD_8) \|
189	RWDLEN2(OMAP_MCBSP_WORD_16) \| RDATDLY(0),
190	.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) \| RWDLEN1(OMAP_MCBSP_WORD_16),
191	.xcr2 = XPHASE \| XFRLEN2(OMAP_MCBSP_WORD_8) \|
192	XWDLEN2(OMAP_MCBSP_WORD_16) \| XDATDLY(0) \| XFIG,
193	.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) \| XWDLEN1(OMAP_MCBSP_WORD_16),
194	.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
195	.srgr2 = GSYNC \| CLKSP \| FSGM \| FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
196	.pcr0 = CLKXP \| CLKRP, /* mcbsp: slave */
197	};
198
199	static struct omap_alsa_codec_config alsa_config = {
200	.name = "PalmZ71 AIC23",
201	.mcbsp_regs_alsa = &mcbsp_regs,
202	.codec_configure_dev = NULL, /* aic23_configure */
203	.codec_set_samplerate = NULL, /* aic23_set_samplerate */
204	.codec_clock_setup = NULL, /* aic23_clock_setup */
205	.codec_clock_on = NULL, /* aic23_clock_on */
206	.codec_clock_off = NULL, /* aic23_clock_off */
207	.get_default_samplerate = NULL, /* aic23_get_default_samplerate */
208	};
209
210	static struct platform_device palmz71_mcbsp1_device = {
211	.name = "omap_alsa_mcbsp",
212	.id = 1,
213	.dev = {
214	.platform_data = &alsa_config,
215	},
216	};
217
218	static struct omap_backlight_config palmz71_backlight_config = {
219	.default_intensity = 0xa0,
220	};
221
222	static struct platform_device palmz71_backlight_device = {
223	.name = "omap-bl",
224	.id = -1,
225	.dev = {
226	.platform_data = &palmz71_backlight_config,
227	},
228	};
229
230	static struct platform_device *devices[] __initdata = {
231	&palmz71_rom_device,
232	&palmz71_kp_device,
233	&palmz71_mcbsp1_device,
234	&palmz71_lcd_device,
235	&palmz71_irda_device,
236	&palmz71_spi_device,
237	&palmz71_backlight_device,
238	};
239
240	static int
241	palmz71_get_pendown_state(void)
242	{
243	return !omap_get_gpio_datain(PALMZ71_PENIRQ_GPIO);
244	}
245
246	static const struct ads7846_platform_data palmz71_ts_info = {
247	.model = 7846,
248	.vref_delay_usecs = 100, /* internal, no capacitor */
249	.x_plate_ohms = 419,
250	.y_plate_ohms = 486,
251	.get_pendown_state = palmz71_get_pendown_state,
252	};
253
254	static struct spi_board_info __initdata palmz71_boardinfo[] = { {
255	/* MicroWire (bus 2) CS0 has an ads7846e */
256	.modalias = "ads7846",
257	.platform_data = &palmz71_ts_info,
258	.irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
259	.max_speed_hz = 120000 /* max sample rate at 3V */
260	* 26 /* command + data + overhead */,
261	.bus_num = 2,
262	.chip_select = 0,
263	} };
264
265	static struct omap_usb_config palmz71_usb_config __initdata = {
266	.register_dev = 1, /* Mini-B only receptacle */
267	.hmc_mode = 0,
268	.pins[0] = 2,
269	};
270
271	static struct omap_mmc_config palmz71_mmc_config __initdata = {
272	.mmc[0] = {
273	.enabled = 1,
274	.wire4 = 0,
275	.wp_pin = PALMZ71_MMC_WP_GPIO,
276	.power_pin = -1,
277	.switch_pin = PALMZ71_MMC_IN_GPIO,
278	},
279	};
280
281	static struct omap_lcd_config palmz71_lcd_config __initdata = {
282	.ctrl_name = "internal",
283	};
284
285	static struct omap_uart_config palmz71_uart_config __initdata = {
286	.enabled_uarts = (1 << 0) \| (1 << 1) \| (0 << 2),
287	};
288
289	static struct omap_board_config_kernel palmz71_config[] = {
290	{OMAP_TAG_USB, &palmz71_usb_config},
291	{OMAP_TAG_MMC, &palmz71_mmc_config},
292	{OMAP_TAG_LCD, &palmz71_lcd_config},
293	{OMAP_TAG_UART, &palmz71_uart_config},
294	};
295
296	static irqreturn_t
297	palmz71_powercable(int irq, void *dev_id)
298	{
299	if (omap_get_gpio_datain(PALMZ71_USBDETECT_GPIO)) {
300	printk(KERN_INFO "PM: Power cable connected\n");
301	set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
302	IRQT_FALLING);
303	} else {
304	printk(KERN_INFO "PM: Power cable disconnected\n");
305	set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
306	IRQT_RISING);
307	}
308	return IRQ_HANDLED;
309	}
310
311	static void __init
312	omap_mpu_wdt_mode(int mode)
313	{
314	if (mode)
315	omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
316	else {
317	omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
318	omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
319	}
320	}
321
322	static void __init
323	palmz71_gpio_setup(int early)
324	{
325	if (early) {
326	/* Only set GPIO1 so we have a working serial */
327	omap_set_gpio_dataout(1, 1);
328	omap_set_gpio_direction(1, 0);
329	} else {
330	/* Set MMC/SD host WP pin as input */
331	if (omap_request_gpio(PALMZ71_MMC_WP_GPIO)) {
332	printk(KERN_ERR "Could not reserve WP GPIO!\n");
333	return;
334	}
335	omap_set_gpio_direction(PALMZ71_MMC_WP_GPIO, 1);
336
337	/* Monitor the Power-cable-connected signal */
338	if (omap_request_gpio(PALMZ71_USBDETECT_GPIO)) {
339	printk(KERN_ERR
340	"Could not reserve cable signal GPIO!\n");
341	return;
342	}
343	omap_set_gpio_direction(PALMZ71_USBDETECT_GPIO, 1);
344	if (request_irq(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
345	palmz71_powercable, IRQF_SAMPLE_RANDOM,
346	"palmz71-cable", 0))
347	printk(KERN_ERR
348	"IRQ request for power cable failed!\n");
349	palmz71_powercable(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), 0);
350	}
351	}
352
353	static void __init
354	omap_palmz71_init(void)
355	{
356	palmz71_gpio_setup(1);
357	omap_mpu_wdt_mode(0);
358
359	omap_board_config = palmz71_config;
360	omap_board_config_size = ARRAY_SIZE(palmz71_config);
361
362	platform_add_devices(devices, ARRAY_SIZE(devices));
363
364	spi_register_board_info(palmz71_boardinfo,
365	ARRAY_SIZE(palmz71_boardinfo));
366	omap_serial_init();
367	palmz71_gpio_setup(0);
368	}
369
370	static void __init
371	omap_palmz71_map_io(void)
372	{
373	omap1_map_common_io();
374	}
375
376	MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
377	.phys_io = 0xfff00000,
378	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
379	.boot_params = 0x10000100,.map_io = omap_palmz71_map_io,
380	.init_irq = omap_palmz71_init_irq,
381	.init_machine = omap_palmz71_init,
382	.timer = &omap_timer,
383	MACHINE_END