[deliverable/linux.git] / arch / arm / mach-pxa / lubbock.c

/*
 *  linux/arch/arm/mach-pxa/lubbock.c
 *
 *  Support for the Intel DBPXA250 Development Platform.
 *
 *  Author:	Nicolas Pitre
 *  Created:	Jun 15, 2001
 *  Copyright:	MontaVista Software Inc.
 *
 *  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/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/sysdev.h>
#include <linux/major.h>
#include <linux/fb.h>
#include <linux/interrupt.h>

#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <asm/hardware/sa1111.h>

#include <asm/arch/pxa-regs.h>
#include <asm/arch/lubbock.h>
#include <asm/arch/udc.h>
#include <asm/arch/irda.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/mmc.h>

#include "generic.h"


#define LUB_MISC_WR		__LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)

void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
{
	unsigned long flags;

	local_irq_save(flags);
	LUB_MISC_WR = (LUB_MISC_WR & ~mask) | (set & mask);
	local_irq_restore(flags);
}
EXPORT_SYMBOL(lubbock_set_misc_wr);

static unsigned long lubbock_irq_enabled;

static void lubbock_mask_irq(unsigned int irq)
{
	int lubbock_irq = (irq - LUBBOCK_IRQ(0));
	LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq));
}

static void lubbock_unmask_irq(unsigned int irq)
{
	int lubbock_irq = (irq - LUBBOCK_IRQ(0));
	/* the irq can be acknowledged only if deasserted, so it's done here */
	LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq);
	LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq));
}

static struct irqchip lubbock_irq_chip = {
	.ack		= lubbock_mask_irq,
	.mask		= lubbock_mask_irq,
	.unmask		= lubbock_unmask_irq,
};

static void lubbock_irq_handler(unsigned int irq, struct irqdesc *desc,
				struct pt_regs *regs)
{
	unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
	do {
		GEDR(0) = GPIO_bit(0);	/* clear our parent irq */
		if (likely(pending)) {
			irq = LUBBOCK_IRQ(0) + __ffs(pending);
			desc = irq_desc + irq;
			desc_handle_irq(irq, desc, regs);
		}
		pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
	} while (pending);
}

static void __init lubbock_init_irq(void)
{
	int irq;

	pxa_init_irq();

	/* setup extra lubbock irqs */
	for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) {
		set_irq_chip(irq, &lubbock_irq_chip);
		set_irq_handler(irq, do_level_IRQ);
		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
	}

	set_irq_chained_handler(IRQ_GPIO(0), lubbock_irq_handler);
	set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
}

#ifdef CONFIG_PM

static int lubbock_irq_resume(struct sys_device *dev)
{
	LUB_IRQ_MASK_EN = lubbock_irq_enabled;
	return 0;
}

static struct sysdev_class lubbock_irq_sysclass = {
	set_kset_name("cpld_irq"),
	.resume = lubbock_irq_resume,
};

static struct sys_device lubbock_irq_device = {
	.cls = &lubbock_irq_sysclass,
};

static int __init lubbock_irq_device_init(void)
{
	int ret = sysdev_class_register(&lubbock_irq_sysclass);
	if (ret == 0)
		ret = sysdev_register(&lubbock_irq_device);
	return ret;
}

device_initcall(lubbock_irq_device_init);

#endif

static int lubbock_udc_is_connected(void)
{
	return (LUB_MISC_RD & (1 << 9)) == 0;
}

static struct pxa2xx_udc_mach_info udc_info __initdata = {
	.udc_is_connected	= lubbock_udc_is_connected,
	// no D+ pullup; lubbock can't connect/disconnect in software
};

static struct platform_device lub_audio_device = {
	.name		= "pxa2xx-ac97",
	.id		= -1,
};

static struct resource sa1111_resources[] = {
	[0] = {
		.start	= 0x10000000,
		.end	= 0x10001fff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= LUBBOCK_SA1111_IRQ,
		.end	= LUBBOCK_SA1111_IRQ,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device sa1111_device = {
	.name		= "sa1111",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(sa1111_resources),
	.resource	= sa1111_resources,
};

static struct resource smc91x_resources[] = {
	[0] = {
		.name	= "smc91x-regs",
		.start	= 0x0c000000,
		.end	= 0x0c0fffff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= LUBBOCK_ETH_IRQ,
		.end	= LUBBOCK_ETH_IRQ,
		.flags	= IORESOURCE_IRQ,
	},
	[2] = {
		.name	= "smc91x-attrib",
		.start	= 0x0e000000,
		.end	= 0x0e0fffff,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smc91x_resources),
	.resource	= smc91x_resources,
};

static struct platform_device *devices[] __initdata = {
	&sa1111_device,
	&lub_audio_device,
	&smc91x_device,
};

static struct pxafb_mach_info sharp_lm8v31 __initdata = {
	.pixclock	= 270000,
	.xres		= 640,
	.yres		= 480,
	.bpp		= 16,
	.hsync_len	= 1,
	.left_margin	= 3,
	.right_margin	= 3,
	.vsync_len	= 1,
	.upper_margin	= 0,
	.lower_margin	= 0,
	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
	.cmap_greyscale	= 0,
	.cmap_inverse	= 0,
	.cmap_static	= 0,
	.lccr0		= LCCR0_SDS,
	.lccr3		= LCCR3_PCP | LCCR3_Acb(255),
};

static int lubbock_mci_init(struct device *dev, irqreturn_t (*lubbock_detect_int)(int, void *, struct pt_regs *), void *data)
{
	/* setup GPIO for PXA25x MMC controller	*/
	pxa_gpio_mode(GPIO6_MMCCLK_MD);
	pxa_gpio_mode(GPIO8_MMCCS0_MD);

	return 0;
}

static struct pxamci_platform_data lubbock_mci_platform_data = {
	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
	.init 		= lubbock_mci_init,
};

static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
{
	unsigned long flags;

	local_irq_save(flags);
	if (mode & IR_SIRMODE) {
		LUB_MISC_WR &= ~(1 << 4);
	} else if (mode & IR_FIRMODE) {
		LUB_MISC_WR |= 1 << 4;
	}
	local_irq_restore(flags);
}

static struct pxaficp_platform_data lubbock_ficp_platform_data = {
	.transceiver_cap  = IR_SIRMODE | IR_FIRMODE,
	.transceiver_mode = lubbock_irda_transceiver_mode,
};

static void __init lubbock_init(void)
{
	pxa_set_udc_info(&udc_info);
	set_pxa_fb_info(&sharp_lm8v31);
	pxa_set_mci_info(&lubbock_mci_platform_data);
	pxa_set_ficp_info(&lubbock_ficp_platform_data);
	(void) platform_add_devices(devices, ARRAY_SIZE(devices));
}

static struct map_desc lubbock_io_desc[] __initdata = {
  	{	/* CPLD */
		.virtual	=  LUBBOCK_FPGA_VIRT,
		.pfn		= __phys_to_pfn(LUBBOCK_FPGA_PHYS),
		.length		= 0x00100000,
		.type		= MT_DEVICE
	}
};

static void __init lubbock_map_io(void)
{
	pxa_map_io();
	iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));

	/* This enables the BTUART */
	pxa_gpio_mode(GPIO42_BTRXD_MD);
	pxa_gpio_mode(GPIO43_BTTXD_MD);
	pxa_gpio_mode(GPIO44_BTCTS_MD);
	pxa_gpio_mode(GPIO45_BTRTS_MD);

	/* This is for the SMC chip select */
	pxa_gpio_mode(GPIO79_nCS_3_MD);

	/* setup sleep mode values */
	PWER  = 0x00000002;
	PFER  = 0x00000000;
	PRER  = 0x00000002;
	PGSR0 = 0x00008000;
	PGSR1 = 0x003F0202;
	PGSR2 = 0x0001C000;
	PCFR |= PCFR_OPDE;
}

MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
	/* Maintainer: MontaVista Software Inc. */
	.phys_ram	= 0xa0000000,
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.map_io		= lubbock_map_io,
	.init_irq	= lubbock_init_irq,
	.timer		= &pxa_timer,
	.init_machine	= lubbock_init,
MACHINE_END
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm/mach-pxa/lubbock.c
	3	*
	4	* Support for the Intel DBPXA250 Development Platform.
	5	*
	6	* Author: Nicolas Pitre
	7	* Created: Jun 15, 2001
	8	* Copyright: MontaVista Software Inc.
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2 as
	12	* published by the Free Software Foundation.
	13	*/
	14	#include <linux/module.h>
	15	#include <linux/kernel.h>
	16	#include <linux/init.h>
	17	#include <linux/device.h>
22f11c4e	18	#include <linux/sysdev.h>
1da177e4 LT	19	#include <linux/major.h>
	20	#include <linux/fb.h>
	21	#include <linux/interrupt.h>
	22
	23	#include <asm/setup.h>
	24	#include <asm/memory.h>
	25	#include <asm/mach-types.h>
	26	#include <asm/hardware.h>
	27	#include <asm/irq.h>
	28
	29	#include <asm/mach/arch.h>
	30	#include <asm/mach/map.h>
	31	#include <asm/mach/irq.h>
	32
	33	#include <asm/hardware/sa1111.h>
	34
	35	#include <asm/arch/pxa-regs.h>
	36	#include <asm/arch/lubbock.h>
	37	#include <asm/arch/udc.h>
6f475c01	38	#include <asm/arch/irda.h>
1da177e4 LT	39	#include <asm/arch/pxafb.h>
	40	#include <asm/arch/mmc.h>
	41
	42	#include "generic.h"
	43
	44
	45	#define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
	46
	47	void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
	48	{
	49	unsigned long flags;
	50
	51	local_irq_save(flags);
	52	LUB_MISC_WR = (LUB_MISC_WR & ~mask) \| (set & mask);
	53	local_irq_restore(flags);
	54	}
	55	EXPORT_SYMBOL(lubbock_set_misc_wr);
	56
	57	static unsigned long lubbock_irq_enabled;
	58
	59	static void lubbock_mask_irq(unsigned int irq)
	60	{
	61	int lubbock_irq = (irq - LUBBOCK_IRQ(0));
	62	LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq));
	63	}
	64
	65	static void lubbock_unmask_irq(unsigned int irq)
	66	{
	67	int lubbock_irq = (irq - LUBBOCK_IRQ(0));
	68	/* the irq can be acknowledged only if deasserted, so it's done here */
	69	LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq);
	70	LUB_IRQ_MASK_EN = (lubbock_irq_enabled \|= (1 << lubbock_irq));
	71	}
	72
	73	static struct irqchip lubbock_irq_chip = {
	74	.ack = lubbock_mask_irq,
	75	.mask = lubbock_mask_irq,
	76	.unmask = lubbock_unmask_irq,
	77	};
	78
	79	static void lubbock_irq_handler(unsigned int irq, struct irqdesc *desc,
	80	struct pt_regs *regs)
	81	{
	82	unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
	83	do {
	84	GEDR(0) = GPIO_bit(0); /* clear our parent irq */
	85	if (likely(pending)) {
	86	irq = LUBBOCK_IRQ(0) + __ffs(pending);
	87	desc = irq_desc + irq;
664399e1	88	desc_handle_irq(irq, desc, regs);
1da177e4 LT	89	}
	90	pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
	91	} while (pending);
	92	}
	93
	94	static void __init lubbock_init_irq(void)
	95	{
	96	int irq;
	97
	98	pxa_init_irq();
	99
	100	/* setup extra lubbock irqs */
	101	for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) {
	102	set_irq_chip(irq, &lubbock_irq_chip);
	103	set_irq_handler(irq, do_level_IRQ);
	104	set_irq_flags(irq, IRQF_VALID \| IRQF_PROBE);
	105	}
	106
	107	set_irq_chained_handler(IRQ_GPIO(0), lubbock_irq_handler);
	108	set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
	109	}
	110
22f11c4e NP	111	#ifdef CONFIG_PM
	112
	113	static int lubbock_irq_resume(struct sys_device *dev)
	114	{
	115	LUB_IRQ_MASK_EN = lubbock_irq_enabled;
	116	return 0;
	117	}
	118
	119	static struct sysdev_class lubbock_irq_sysclass = {
	120	set_kset_name("cpld_irq"),
	121	.resume = lubbock_irq_resume,
	122	};
	123
	124	static struct sys_device lubbock_irq_device = {
	125	.cls = &lubbock_irq_sysclass,
	126	};
	127
	128	static int __init lubbock_irq_device_init(void)
	129	{
	130	int ret = sysdev_class_register(&lubbock_irq_sysclass);
	131	if (ret == 0)
	132	ret = sysdev_register(&lubbock_irq_device);
	133	return ret;
	134	}
	135
	136	device_initcall(lubbock_irq_device_init);
	137
	138	#endif
	139
1da177e4 LT	140	static int lubbock_udc_is_connected(void)
	141	{
	142	return (LUB_MISC_RD & (1 << 9)) == 0;
	143	}
	144
	145	static struct pxa2xx_udc_mach_info udc_info __initdata = {
	146	.udc_is_connected = lubbock_udc_is_connected,
	147	// no D+ pullup; lubbock can't connect/disconnect in software
	148	};
	149
2cef2d55 NP	150	static struct platform_device lub_audio_device = {
	151	.name = "pxa2xx-ac97",
	152	.id = -1,
	153	};
	154
1da177e4 LT	155	static struct resource sa1111_resources[] = {
	156	[0] = {
	157	.start = 0x10000000,
	158	.end = 0x10001fff,
	159	.flags = IORESOURCE_MEM,
	160	},
	161	[1] = {
	162	.start = LUBBOCK_SA1111_IRQ,
	163	.end = LUBBOCK_SA1111_IRQ,
	164	.flags = IORESOURCE_IRQ,
	165	},
	166	};
	167
	168	static struct platform_device sa1111_device = {
	169	.name = "sa1111",
	170	.id = -1,
	171	.num_resources = ARRAY_SIZE(sa1111_resources),
	172	.resource = sa1111_resources,
	173	};
	174
	175	static struct resource smc91x_resources[] = {
	176	[0] = {
	177	.name = "smc91x-regs",
	178	.start = 0x0c000000,
	179	.end = 0x0c0fffff,
	180	.flags = IORESOURCE_MEM,
	181	},
	182	[1] = {
	183	.start = LUBBOCK_ETH_IRQ,
	184	.end = LUBBOCK_ETH_IRQ,
	185	.flags = IORESOURCE_IRQ,
	186	},
	187	[2] = {
	188	.name = "smc91x-attrib",
	189	.start = 0x0e000000,
	190	.end = 0x0e0fffff,
	191	.flags = IORESOURCE_MEM,
	192	},
	193	};
	194
	195	static struct platform_device smc91x_device = {
	196	.name = "smc91x",
	197	.id = -1,
	198	.num_resources = ARRAY_SIZE(smc91x_resources),
	199	.resource = smc91x_resources,
	200	};
	201
	202	static struct platform_device *devices[] __initdata = {
	203	&sa1111_device,
2cef2d55	204	&lub_audio_device,
1da177e4 LT	205	&smc91x_device,
	206	};
	207
	208	static struct pxafb_mach_info sharp_lm8v31 __initdata = {
	209	.pixclock = 270000,
	210	.xres = 640,
	211	.yres = 480,
	212	.bpp = 16,
	213	.hsync_len = 1,
	214	.left_margin = 3,
	215	.right_margin = 3,
	216	.vsync_len = 1,
	217	.upper_margin = 0,
	218	.lower_margin = 0,
	219	.sync = FB_SYNC_HOR_HIGH_ACT \| FB_SYNC_VERT_HIGH_ACT,
	220	.cmap_greyscale = 0,
	221	.cmap_inverse = 0,
	222	.cmap_static = 0,
	223	.lccr0 = LCCR0_SDS,
	224	.lccr3 = LCCR3_PCP \| LCCR3_Acb(255),
	225	};
	226
	227	static int lubbock_mci_init(struct device dev, irqreturn_t (lubbock_detect_int)(int, void , struct pt_regs ), void *data)
	228	{
	229	/* setup GPIO for PXA25x MMC controller */
	230	pxa_gpio_mode(GPIO6_MMCCLK_MD);
	231	pxa_gpio_mode(GPIO8_MMCCS0_MD);
	232
	233	return 0;
	234	}
	235
	236	static struct pxamci_platform_data lubbock_mci_platform_data = {
	237	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
	238	.init = lubbock_mci_init,
	239	};
	240
6f475c01 NP	241	static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
	242	{
	243	unsigned long flags;
	244
	245	local_irq_save(flags);
	246	if (mode & IR_SIRMODE) {
	247	LUB_MISC_WR &= ~(1 << 4);
	248	} else if (mode & IR_FIRMODE) {
	249	LUB_MISC_WR \|= 1 << 4;
	250	}
	251	local_irq_restore(flags);
	252	}
	253
	254	static struct pxaficp_platform_data lubbock_ficp_platform_data = {
	255	.transceiver_cap = IR_SIRMODE \| IR_FIRMODE,
	256	.transceiver_mode = lubbock_irda_transceiver_mode,
	257	};
	258
1da177e4 LT	259	static void __init lubbock_init(void)
	260	{
	261	pxa_set_udc_info(&udc_info);
	262	set_pxa_fb_info(&sharp_lm8v31);
	263	pxa_set_mci_info(&lubbock_mci_platform_data);
6f475c01	264	pxa_set_ficp_info(&lubbock_ficp_platform_data);
1da177e4 LT	265	(void) platform_add_devices(devices, ARRAY_SIZE(devices));
	266	}
	267
	268	static struct map_desc lubbock_io_desc[] __initdata = {
6f9182eb DS	269	{ /* CPLD */
	270	.virtual = LUBBOCK_FPGA_VIRT,
	271	.pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
	272	.length = 0x00100000,
	273	.type = MT_DEVICE
	274	}
1da177e4 LT	275	};
	276
	277	static void __init lubbock_map_io(void)
	278	{
	279	pxa_map_io();
	280	iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
	281
	282	/* This enables the BTUART */
	283	pxa_gpio_mode(GPIO42_BTRXD_MD);
	284	pxa_gpio_mode(GPIO43_BTTXD_MD);
	285	pxa_gpio_mode(GPIO44_BTCTS_MD);
	286	pxa_gpio_mode(GPIO45_BTRTS_MD);
	287
	288	/* This is for the SMC chip select */
	289	pxa_gpio_mode(GPIO79_nCS_3_MD);
	290
	291	/* setup sleep mode values */
	292	PWER = 0x00000002;
	293	PFER = 0x00000000;
	294	PRER = 0x00000002;
	295	PGSR0 = 0x00008000;
	296	PGSR1 = 0x003F0202;
	297	PGSR2 = 0x0001C000;
	298	PCFR \|= PCFR_OPDE;
	299	}
	300
	301	MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
e9dea0c6 RK	302	/* Maintainer: MontaVista Software Inc. */
	303	.phys_ram = 0xa0000000,
	304	.phys_io = 0x40000000,
68070bde	305	.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
e9dea0c6 RK	306	.map_io = lubbock_map_io,
e9dea0c6 RK	307	.init_irq = lubbock_init_irq,
1da177e4	308	.timer = &pxa_timer,
e9dea0c6	309	.init_machine = lubbock_init,
1da177e4	310	MACHINE_END