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

/*
 *  Support for Sharp SL-C6000x PDAs
 *  Model: (Tosa)
 *
 *  Copyright (c) 2005 Dirk Opfer
 *
 *	Based on code written by Sharp/Lineo for 2.4 kernels
 *
 *  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/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/mmc/host.h>

#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/arch/irda.h>
#include <asm/arch/mmc.h>
#include <asm/arch/udc.h>

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

#include <asm/arch/pxa-regs.h>
#include <asm/arch/tosa.h>

#include <asm/hardware/scoop.h>
#include <asm/mach/sharpsl_param.h>

#include "generic.h"


/*
 * SCOOP Device
 */
static struct resource tosa_scoop_resources[] = {
	[0] = {
		.start	= TOSA_CF_PHYS,
		.end	= TOSA_CF_PHYS + 0xfff,
		.flags	= IORESOURCE_MEM,
	},
};

static struct scoop_config tosa_scoop_setup = {
	.io_dir 	= TOSA_SCOOP_IO_DIR,
	.io_out		= TOSA_SCOOP_IO_OUT,

};

struct platform_device tosascoop_device = {
	.name		= "sharp-scoop",
	.id		= 0,
	.dev		= {
 		.platform_data	= &tosa_scoop_setup,
	},
	.num_resources	= ARRAY_SIZE(tosa_scoop_resources),
	.resource	= tosa_scoop_resources,
};


/*
 * SCOOP Device Jacket
 */
static struct resource tosa_scoop_jc_resources[] = {
	[0] = {
		.start		= TOSA_SCOOP_PHYS + 0x40,
		.end		= TOSA_SCOOP_PHYS + 0xfff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct scoop_config tosa_scoop_jc_setup = {
	.io_dir 	= TOSA_SCOOP_JC_IO_DIR,
	.io_out		= TOSA_SCOOP_JC_IO_OUT,
};

struct platform_device tosascoop_jc_device = {
	.name		= "sharp-scoop",
	.id		= 1,
	.dev		= {
 		.platform_data	= &tosa_scoop_jc_setup,
		.parent 	= &tosascoop_device.dev,
	},
	.num_resources	= ARRAY_SIZE(tosa_scoop_jc_resources),
	.resource	= tosa_scoop_jc_resources,
};

/*
 * PCMCIA
 */
static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
{
	.dev        = &tosascoop_device.dev,
	.irq        = TOSA_IRQ_GPIO_CF_IRQ,
	.cd_irq     = TOSA_IRQ_GPIO_CF_CD,
	.cd_irq_str = "PCMCIA0 CD",
},{
	.dev        = &tosascoop_jc_device.dev,
	.irq        = TOSA_IRQ_GPIO_JC_CF_IRQ,
	.cd_irq     = -1,
},
};

static void tosa_pcmcia_init(void)
{
	/* Setup default state of GPIO outputs
	   before we enable them as outputs. */
	GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
		GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
		GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
		GPIO_bit(GPIO53_nPCE_2);

	pxa_gpio_mode(GPIO48_nPOE_MD);
	pxa_gpio_mode(GPIO49_nPWE_MD);
	pxa_gpio_mode(GPIO50_nPIOR_MD);
	pxa_gpio_mode(GPIO51_nPIOW_MD);
	pxa_gpio_mode(GPIO55_nPREG_MD);
	pxa_gpio_mode(GPIO56_nPWAIT_MD);
	pxa_gpio_mode(GPIO57_nIOIS16_MD);
	pxa_gpio_mode(GPIO52_nPCE_1_MD);
	pxa_gpio_mode(GPIO53_nPCE_2_MD);
	pxa_gpio_mode(GPIO54_pSKTSEL_MD);
}

static struct scoop_pcmcia_config tosa_pcmcia_config = {
	.devs         = &tosa_pcmcia_scoop[0],
	.num_devs     = 2,
	.pcmcia_init  = tosa_pcmcia_init,
};

/*
 * USB Device Controller
 */
static void tosa_udc_command(int cmd)
{
	switch(cmd)	{
		case PXA2XX_UDC_CMD_CONNECT:
			set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
			break;
		case PXA2XX_UDC_CMD_DISCONNECT:
			reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
			break;
	}
}

static int tosa_udc_is_connected(void)
{
	return ((GPLR(TOSA_GPIO_USB_IN) & GPIO_bit(TOSA_GPIO_USB_IN)) == 0);
}


static struct pxa2xx_udc_mach_info udc_info __initdata = {
	.udc_command		= tosa_udc_command,
	.udc_is_connected	= tosa_udc_is_connected,
};

/*
 * MMC/SD Device
 */
static struct pxamci_platform_data tosa_mci_platform_data;

static int tosa_mci_init(struct device *dev, irqreturn_t (*tosa_detect_int)(int, void *, struct pt_regs *), void *data)
{
	int err;

	/* setup GPIO for PXA25x MMC controller */
	pxa_gpio_mode(GPIO6_MMCCLK_MD);
	pxa_gpio_mode(GPIO8_MMCCS0_MD);
	pxa_gpio_mode(TOSA_GPIO_nSD_DETECT | GPIO_IN);

	tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);

	err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, SA_INTERRUPT,
				"MMC/SD card detect", data);
	if (err) {
		printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
		return -1;
	}

	set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);

	return 0;
}

static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
{
	struct pxamci_platform_data* p_d = dev->platform_data;

	if (( 1 << vdd) & p_d->ocr_mask) {
		set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
	} else {
		reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
	}
}

static int tosa_mci_get_ro(struct device *dev)
{
	return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP);
}

static void tosa_mci_exit(struct device *dev, void *data)
{
	free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
}

static struct pxamci_platform_data tosa_mci_platform_data = {
	.ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
	.init           = tosa_mci_init,
	.get_ro		= tosa_mci_get_ro,
	.setpower       = tosa_mci_setpower,
	.exit           = tosa_mci_exit,
};

/*
 * Irda
 */
static void tosa_irda_transceiver_mode(struct device *dev, int mode)
{
	if (mode & IR_OFF) {
		reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
		pxa_gpio_mode(GPIO47_STTXD|GPIO_DFLT_LOW);
		pxa_gpio_mode(GPIO47_STTXD|GPIO_OUT);
	} else {
		pxa_gpio_mode(GPIO47_STTXD_MD);
		set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
	}
}

static struct pxaficp_platform_data tosa_ficp_platform_data = {
	.transceiver_cap  = IR_SIRMODE | IR_OFF,
	.transceiver_mode = tosa_irda_transceiver_mode,
};

/*
 * Tosa Keyboard
 */
static struct platform_device tosakbd_device = {
	.name		= "tosa-keyboard",
	.id		= -1,
};

static struct platform_device *devices[] __initdata = {
	&tosascoop_device,
	&tosascoop_jc_device,
	&tosakbd_device,
};

static void __init tosa_init(void)
{
	pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN);
	pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN);
	pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN);

	/* setup sleep mode values */
	PWER  = 0x00000002;
	PFER  = 0x00000000;
	PRER  = 0x00000002;
	PGSR0 = 0x00000000;
	PGSR1 = 0x00FF0002;
	PGSR2 = 0x00014000;
	PCFR |= PCFR_OPDE;

	/* enable batt_fault */
	PMCR = 0x01;

	pxa_set_mci_info(&tosa_mci_platform_data);
	pxa_set_udc_info(&udc_info);
	pxa_set_ficp_info(&tosa_ficp_platform_data);
	platform_scoop_config = &tosa_pcmcia_config;

	platform_add_devices(devices, ARRAY_SIZE(devices));
}

static void __init fixup_tosa(struct machine_desc *desc,
		struct tag *tags, char **cmdline, struct meminfo *mi)
{
	sharpsl_save_param();
	mi->nr_banks=1;
	mi->bank[0].start = 0xa0000000;
	mi->bank[0].node = 0;
	mi->bank[0].size = (64*1024*1024);
}

MACHINE_START(TOSA, "SHARP Tosa")
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.fixup          = fixup_tosa,
	.map_io         = pxa_map_io,
	.init_irq       = pxa_init_irq,
	.init_machine   = tosa_init,
	.timer          = &pxa_timer,
MACHINE_END
Commit	Line	Data
8459c159 DO	1	/*
	2	* Support for Sharp SL-C6000x PDAs
	3	* Model: (Tosa)
	4	*
	5	* Copyright (c) 2005 Dirk Opfer
	6	*
	7	* Based on code written by Sharp/Lineo for 2.4 kernels
	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License version 2 as
	11	* published by the Free Software Foundation.
	12	*
	13	*/
	14
	15	#include <linux/kernel.h>
	16	#include <linux/init.h>
067c9048	17	#include <linux/platform_device.h>
8459c159 DO	18	#include <linux/major.h>
	19	#include <linux/fs.h>
	20	#include <linux/interrupt.h>
	21	#include <linux/mmc/host.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	#include <asm/arch/irda.h>
	29	#include <asm/arch/mmc.h>
	30	#include <asm/arch/udc.h>
	31
	32	#include <asm/mach/arch.h>
	33	#include <asm/mach/map.h>
	34	#include <asm/mach/irq.h>
	35
	36	#include <asm/arch/pxa-regs.h>
8459c159 DO	37	#include <asm/arch/tosa.h>
	38
	39	#include <asm/hardware/scoop.h>
	40	#include <asm/mach/sharpsl_param.h>
	41
	42	#include "generic.h"
	43
	44
	45	/*
	46	* SCOOP Device
	47	*/
	48	static struct resource tosa_scoop_resources[] = {
	49	[0] = {
	50	.start = TOSA_CF_PHYS,
	51	.end = TOSA_CF_PHYS + 0xfff,
	52	.flags = IORESOURCE_MEM,
	53	},
	54	};
	55
	56	static struct scoop_config tosa_scoop_setup = {
	57	.io_dir = TOSA_SCOOP_IO_DIR,
	58	.io_out = TOSA_SCOOP_IO_OUT,
	59
	60	};
	61
	62	struct platform_device tosascoop_device = {
	63	.name = "sharp-scoop",
	64	.id = 0,
	65	.dev = {
	66	.platform_data = &tosa_scoop_setup,
	67	},
	68	.num_resources = ARRAY_SIZE(tosa_scoop_resources),
	69	.resource = tosa_scoop_resources,
	70	};
	71
	72
	73	/*
	74	* SCOOP Device Jacket
	75	*/
	76	static struct resource tosa_scoop_jc_resources[] = {
	77	[0] = {
	78	.start = TOSA_SCOOP_PHYS + 0x40,
	79	.end = TOSA_SCOOP_PHYS + 0xfff,
	80	.flags = IORESOURCE_MEM,
	81	},
	82	};
	83
	84	static struct scoop_config tosa_scoop_jc_setup = {
	85	.io_dir = TOSA_SCOOP_JC_IO_DIR,
	86	.io_out = TOSA_SCOOP_JC_IO_OUT,
	87	};
	88
	89	struct platform_device tosascoop_jc_device = {
	90	.name = "sharp-scoop",
	91	.id = 1,
	92	.dev = {
	93	.platform_data = &tosa_scoop_jc_setup,
	94	.parent = &tosascoop_device.dev,
	95	},
	96	.num_resources = ARRAY_SIZE(tosa_scoop_jc_resources),
	97	.resource = tosa_scoop_jc_resources,
	98	};
	99
4c18ad20 DO	100	/*
	101	* PCMCIA
	102	*/
8459c159 DO	103	static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
	104	{
	105	.dev = &tosascoop_device.dev,
	106	.irq = TOSA_IRQ_GPIO_CF_IRQ,
	107	.cd_irq = TOSA_IRQ_GPIO_CF_CD,
	108	.cd_irq_str = "PCMCIA0 CD",
	109	},{
	110	.dev = &tosascoop_jc_device.dev,
	111	.irq = TOSA_IRQ_GPIO_JC_CF_IRQ,
	112	.cd_irq = -1,
	113	},
	114	};
	115
4c18ad20 DO	116	static void tosa_pcmcia_init(void)
	117	{
	118	/* Setup default state of GPIO outputs
	119	before we enable them as outputs. */
	120	GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) \|
	121	GPIO_bit(GPIO49_nPWE) \| GPIO_bit(GPIO50_nPIOR) \|
	122	GPIO_bit(GPIO51_nPIOW) \| GPIO_bit(GPIO52_nPCE_1) \|
	123	GPIO_bit(GPIO53_nPCE_2);
	124
	125	pxa_gpio_mode(GPIO48_nPOE_MD);
	126	pxa_gpio_mode(GPIO49_nPWE_MD);
	127	pxa_gpio_mode(GPIO50_nPIOR_MD);
	128	pxa_gpio_mode(GPIO51_nPIOW_MD);
	129	pxa_gpio_mode(GPIO55_nPREG_MD);
	130	pxa_gpio_mode(GPIO56_nPWAIT_MD);
	131	pxa_gpio_mode(GPIO57_nIOIS16_MD);
	132	pxa_gpio_mode(GPIO52_nPCE_1_MD);
	133	pxa_gpio_mode(GPIO53_nPCE_2_MD);
	134	pxa_gpio_mode(GPIO54_pSKTSEL_MD);
	135	}
	136
	137	static struct scoop_pcmcia_config tosa_pcmcia_config = {
	138	.devs = &tosa_pcmcia_scoop[0],
	139	.num_devs = 2,
	140	.pcmcia_init = tosa_pcmcia_init,
	141	};
	142
a93876c1 DO	143	/*
	144	* USB Device Controller
	145	*/
	146	static void tosa_udc_command(int cmd)
	147	{
	148	switch(cmd) {
	149	case PXA2XX_UDC_CMD_CONNECT:
	150	set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
	151	break;
	152	case PXA2XX_UDC_CMD_DISCONNECT:
	153	reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
	154	break;
	155	}
	156	}
	157
	158	static int tosa_udc_is_connected(void)
	159	{
	160	return ((GPLR(TOSA_GPIO_USB_IN) & GPIO_bit(TOSA_GPIO_USB_IN)) == 0);
	161	}
	162
	163
	164	static struct pxa2xx_udc_mach_info udc_info __initdata = {
	165	.udc_command = tosa_udc_command,
	166	.udc_is_connected = tosa_udc_is_connected,
	167	};
	168
	169	/*
	170	* MMC/SD Device
	171	*/
	172	static struct pxamci_platform_data tosa_mci_platform_data;
	173
	174	static int tosa_mci_init(struct device dev, irqreturn_t (tosa_detect_int)(int, void , struct pt_regs ), void *data)
	175	{
	176	int err;
	177
	178	/* setup GPIO for PXA25x MMC controller */
	179	pxa_gpio_mode(GPIO6_MMCCLK_MD);
	180	pxa_gpio_mode(GPIO8_MMCCS0_MD);
	181	pxa_gpio_mode(TOSA_GPIO_nSD_DETECT \| GPIO_IN);
	182
	183	tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
	184
	185	err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, SA_INTERRUPT,
	186	"MMC/SD card detect", data);
	187	if (err) {
	188	printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
	189	return -1;
	190	}
	191
	192	set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
	193
	194	return 0;
	195	}
	196
	197	static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
	198	{
	199	struct pxamci_platform_data* p_d = dev->platform_data;
	200
	201	if (( 1 << vdd) & p_d->ocr_mask) {
	202	set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
	203	} else {
	204	reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
	205	}
	206	}
207
208	static int tosa_mci_get_ro(struct device *dev)
209	{
210	return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP);
211	}
212
213	static void tosa_mci_exit(struct device dev, void data)
214	{
215	free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
216	}
217
218	static struct pxamci_platform_data tosa_mci_platform_data = {
219	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
220	.init = tosa_mci_init,
221	.get_ro = tosa_mci_get_ro,
222	.setpower = tosa_mci_setpower,
223	.exit = tosa_mci_exit,
224	};
225
226	/*
227	* Irda
228	*/
229	static void tosa_irda_transceiver_mode(struct device *dev, int mode)
230	{
231	if (mode & IR_OFF) {
232	reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
233	pxa_gpio_mode(GPIO47_STTXD\|GPIO_DFLT_LOW);
234	pxa_gpio_mode(GPIO47_STTXD\|GPIO_OUT);
235	} else {
236	pxa_gpio_mode(GPIO47_STTXD_MD);
237	set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
238	}
239	}
240
241	static struct pxaficp_platform_data tosa_ficp_platform_data = {
242	.transceiver_cap = IR_SIRMODE \| IR_OFF,
243	.transceiver_mode = tosa_irda_transceiver_mode,
244	};
245
246	/*
247	* Tosa Keyboard
248	*/
249	static struct platform_device tosakbd_device = {
250	.name = "tosa-keyboard",
251	.id = -1,
252	};
8459c159 DO	253
	254	static struct platform_device *devices[] __initdata = {
	255	&tosascoop_device,
	256	&tosascoop_jc_device,
a93876c1	257	&tosakbd_device,
8459c159 DO	258	};
	259
	260	static void __init tosa_init(void)
	261	{
	262	pxa_gpio_mode(TOSA_GPIO_ON_RESET \| GPIO_IN);
	263	pxa_gpio_mode(TOSA_GPIO_TC6393_INT \| GPIO_IN);
a93876c1	264	pxa_gpio_mode(TOSA_GPIO_USB_IN \| GPIO_IN);
8459c159 DO	265
	266	/* setup sleep mode values */
	267	PWER = 0x00000002;
	268	PFER = 0x00000000;
	269	PRER = 0x00000002;
	270	PGSR0 = 0x00000000;
	271	PGSR1 = 0x00FF0002;
	272	PGSR2 = 0x00014000;
	273	PCFR \|= PCFR_OPDE;
	274
a93876c1	275	/* enable batt_fault */
8459c159 DO	276	PMCR = 0x01;
8459c159 DO	277
a93876c1 DO	278	pxa_set_mci_info(&tosa_mci_platform_data);
	279	pxa_set_udc_info(&udc_info);
	280	pxa_set_ficp_info(&tosa_ficp_platform_data);
4c18ad20	281	platform_scoop_config = &tosa_pcmcia_config;
8459c159	282
4c18ad20	283	platform_add_devices(devices, ARRAY_SIZE(devices));
8459c159 DO	284	}
	285
	286	static void __init fixup_tosa(struct machine_desc *desc,
	287	struct tag tags, char cmdline, struct meminfo mi)
	288	{
	289	sharpsl_save_param();
	290	mi->nr_banks=1;
	291	mi->bank[0].start = 0xa0000000;
	292	mi->bank[0].node = 0;
	293	mi->bank[0].size = (6410241024);
	294	}
	295
	296	MACHINE_START(TOSA, "SHARP Tosa")
8459c159 DO	297	.phys_io = 0x40000000,
	298	.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
	299	.fixup = fixup_tosa,
	300	.map_io = pxa_map_io,
	301	.init_irq = pxa_init_irq,
	302	.init_machine = tosa_init,
	303	.timer = &pxa_timer,
	304	MACHINE_END