[deliverable/linux.git] / arch / arm / mach-sa1100 / collie.c

/*
 * linux/arch/arm/mach-sa1100/collie.c
 *
 * May be copied or modified under the terms of the GNU General Public
 * License.  See linux/COPYING for more information.
 *
 * This file contains all Collie-specific tweaks.
 *
 * 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.
 *
 * ChangeLog:
 *  2006 Pavel Machek <pavel@suse.cz>
 *  03-06-2004 John Lenz <lenz@cs.wisc.edu>
 *  06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
 *  04-16-2001 Lineo Japan,Inc. ...
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/timer.h>
#include <linux/gpio.h>

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

#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include <asm/mach/serial_sa1100.h>

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

#include "generic.h"

static struct resource collie_scoop_resources[] = {
	[0] = {
		.start		= 0x40800000,
		.end		= 0x40800fff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct scoop_config collie_scoop_setup = {
	.io_dir 	= COLLIE_SCOOP_IO_DIR,
	.io_out		= COLLIE_SCOOP_IO_OUT,
};

struct platform_device colliescoop_device = {
	.name		= "sharp-scoop",
	.id		= -1,
	.dev		= {
 		.platform_data	= &collie_scoop_setup,
	},
	.num_resources	= ARRAY_SIZE(collie_scoop_resources),
	.resource	= collie_scoop_resources,
};

static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
	{
	.dev		= &colliescoop_device.dev,
	.irq		= COLLIE_IRQ_GPIO_CF_IRQ,
	.cd_irq		= COLLIE_IRQ_GPIO_CF_CD,
	.cd_irq_str	= "PCMCIA0 CD",
	},
};

static struct scoop_pcmcia_config collie_pcmcia_config = {
	.devs		= &collie_pcmcia_scoop[0],
	.num_devs	= 1,
};

static struct mcp_plat_data collie_mcp_data = {
	.mccr0		= MCCR0_ADM | MCCR0_ExtClk,
	.sclk_rate	= 9216000,
};

#ifdef CONFIG_SHARP_LOCOMO
/*
 * low-level UART features.
 */
struct platform_device collie_locomo_device;

static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
{
	if (mctrl & TIOCM_RTS)
		locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
	else
		locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);

	if (mctrl & TIOCM_DTR)
		locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
	else
		locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
}

static u_int collie_uart_get_mctrl(struct uart_port *port)
{
	int ret = TIOCM_CD;
	unsigned int r;

	r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
	if (r == -ENODEV)
		return ret;
	if (r & LOCOMO_GPIO_CTS)
		ret |= TIOCM_CTS;
	if (r & LOCOMO_GPIO_DSR)
		ret |= TIOCM_DSR;

	return ret;
}

static struct sa1100_port_fns collie_port_fns __initdata = {
	.set_mctrl	= collie_uart_set_mctrl,
	.get_mctrl	= collie_uart_get_mctrl,
};

static int collie_uart_probe(struct locomo_dev *dev)
{
	return 0;
}

static int collie_uart_remove(struct locomo_dev *dev)
{
	return 0;
}

static struct locomo_driver collie_uart_driver = {
	.drv = {
		.name = "collie_uart",
	},
	.devid	= LOCOMO_DEVID_UART,
	.probe	= collie_uart_probe,
	.remove	= collie_uart_remove,
};

static int __init collie_uart_init(void)
{
	return locomo_driver_register(&collie_uart_driver);
}
device_initcall(collie_uart_init);

#endif


static struct resource locomo_resources[] = {
	[0] = {
		.start		= 0x40000000,
		.end		= 0x40001fff,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= IRQ_GPIO25,
		.end		= IRQ_GPIO25,
		.flags		= IORESOURCE_IRQ,
	},
};

struct platform_device collie_locomo_device = {
	.name		= "locomo",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(locomo_resources),
	.resource	= locomo_resources,
};

static struct platform_device *devices[] __initdata = {
	&collie_locomo_device,
	&colliescoop_device,
};

static struct mtd_partition collie_partitions[] = {
	{
		.name		= "bootloader",
		.offset 	= 0,
		.size		= 0x000C0000,
		.mask_flags	= MTD_WRITEABLE
	}, {
		.name		= "kernel",
		.offset 	= MTDPART_OFS_APPEND,
		.size		= 0x00100000,
	}, {
		.name		= "rootfs",
		.offset 	= MTDPART_OFS_APPEND,
		.size		= 0x00e20000,
	}
};

static int collie_flash_init(void)
{
	int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
	if (rc)
		return rc;

	rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
	if (rc)
		gpio_free(COLLIE_GPIO_VPEN);

	return rc;
}

static void collie_set_vpp(int vpp)
{
	gpio_set_value(COLLIE_GPIO_VPEN, vpp);
}

static void collie_flash_exit(void)
{
	gpio_free(COLLIE_GPIO_VPEN);
}

static struct flash_platform_data collie_flash_data = {
	.map_name	= "cfi_probe",
	.init		= collie_flash_init,
	.set_vpp	= collie_set_vpp,
	.exit		= collie_flash_exit,
	.parts		= collie_partitions,
	.nr_parts	= ARRAY_SIZE(collie_partitions),
};

static struct resource collie_flash_resources[] = {
	{
		.start	= SA1100_CS0_PHYS,
		.end	= SA1100_CS0_PHYS + SZ_32M - 1,
		.flags	= IORESOURCE_MEM,
	}
};

static void __init collie_init(void)
{
	int ret = 0;

	/* cpu initialize */
	GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
		GPIO_MCP_CLK | GPIO_32_768kHz;

	GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
		GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
		GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
		COLLIE_GPIO_UCB1x00_RESET | COLLIE_GPIO_nMIC_ON |
		COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;

	PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
		PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
		PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;

	PWER = COLLIE_GPIO_AC_IN | COLLIE_GPIO_CO | COLLIE_GPIO_ON_KEY |
		COLLIE_GPIO_WAKEUP | COLLIE_GPIO_nREMOCON_INT | PWER_RTC;

	PGSR = COLLIE_GPIO_nREMOCON_ON;

	PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;

	PCFR = PCFR_OPDE;


	platform_scoop_config = &collie_pcmcia_config;

	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
	if (ret) {
		printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
	}

	sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
			      ARRAY_SIZE(collie_flash_resources));
	sa11x0_set_mcp_data(&collie_mcp_data);

	sharpsl_save_param();
}

static struct map_desc collie_io_desc[] __initdata = {
	{	/* 32M main flash (cs0) */
		.virtual	= 0xe8000000,
		.pfn		= __phys_to_pfn(0x00000000),
		.length		= 0x02000000,
		.type		= MT_DEVICE
	}, {	/* 32M boot flash (cs1) */
		.virtual	= 0xea000000,
		.pfn		= __phys_to_pfn(0x08000000),
		.length		= 0x02000000,
		.type		= MT_DEVICE
	}
};

static void __init collie_map_io(void)
{
	sa1100_map_io();
	iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));

#ifdef CONFIG_SHARP_LOCOMO
	sa1100_register_uart_fns(&collie_port_fns);
#endif
	sa1100_register_uart(0, 3);
	sa1100_register_uart(1, 1);
}

MACHINE_START(COLLIE, "Sharp-Collie")
	.phys_io	= 0x80000000,
	.io_pg_offst	= ((0xf8000000) >> 18) & 0xfffc,
	.map_io		= collie_map_io,
	.init_irq	= sa1100_init_irq,
	.timer		= &sa1100_timer,
	.init_machine	= collie_init,
MACHINE_END
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm/mach-sa1100/collie.c
	3	*
	4	* May be copied or modified under the terms of the GNU General Public
	5	* License. See linux/COPYING for more information.
	6	*
	7	* This file contains all Collie-specific tweaks.
	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	* ChangeLog:
50c37e21 PM	14	* 2006 Pavel Machek <pavel@suse.cz>
50c37e21 PM	15	* 03-06-2004 John Lenz <lenz@cs.wisc.edu>
1da177e4 LT	16	* 06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
	17	* 04-16-2001 Lineo Japan,Inc. ...
	18	*/
	19
1da177e4 LT	20	#include <linux/init.h>
	21	#include <linux/kernel.h>
	22	#include <linux/tty.h>
	23	#include <linux/delay.h>
d052d1be	24	#include <linux/platform_device.h>
1da177e4 LT	25	#include <linux/mtd/mtd.h>
	26	#include <linux/mtd/partitions.h>
	27	#include <linux/timer.h>
224be092	28	#include <linux/gpio.h>
1da177e4	29
a09e64fb	30	#include <mach/hardware.h>
1da177e4 LT	31	#include <asm/mach-types.h>
	32	#include <asm/irq.h>
	33	#include <asm/setup.h>
a09e64fb	34	#include <mach/collie.h>
1da177e4 LT	35
	36	#include <asm/mach/arch.h>
	37	#include <asm/mach/flash.h>
	38	#include <asm/mach/map.h>
	39	#include <asm/mach/serial_sa1100.h>
	40
	41	#include <asm/hardware/scoop.h>
	42	#include <asm/mach/sharpsl_param.h>
	43	#include <asm/hardware/locomo.h>
a09e64fb	44	#include <mach/mcp.h>
1da177e4 LT	45
	46	#include "generic.h"
	47
	48	static struct resource collie_scoop_resources[] = {
	49	[0] = {
	50	.start = 0x40800000,
	51	.end = 0x40800fff,
	52	.flags = IORESOURCE_MEM,
	53	},
	54	};
	55
	56	static struct scoop_config collie_scoop_setup = {
	57	.io_dir = COLLIE_SCOOP_IO_DIR,
	58	.io_out = COLLIE_SCOOP_IO_OUT,
	59	};
	60
	61	struct platform_device colliescoop_device = {
	62	.name = "sharp-scoop",
	63	.id = -1,
	64	.dev = {
	65	.platform_data = &collie_scoop_setup,
	66	},
	67	.num_resources = ARRAY_SIZE(collie_scoop_resources),
	68	.resource = collie_scoop_resources,
	69	};
	70
44575b2f	71	static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
93982535 KE	72	{
	73	.dev = &colliescoop_device.dev,
	74	.irq = COLLIE_IRQ_GPIO_CF_IRQ,
	75	.cd_irq = COLLIE_IRQ_GPIO_CF_CD,
	76	.cd_irq_str = "PCMCIA0 CD",
	77	},
44575b2f PM	78	};
	79
	80	static struct scoop_pcmcia_config collie_pcmcia_config = {
93982535 KE	81	.devs = &collie_pcmcia_scoop[0],
93982535 KE	82	.num_devs = 1,
44575b2f PM	83	};
44575b2f PM	84
44575b2f	85	static struct mcp_plat_data collie_mcp_data = {
93982535 KE	86	.mccr0 = MCCR0_ADM \| MCCR0_ExtClk,
93982535 KE	87	.sclk_rate = 9216000,
44575b2f PM	88	};
44575b2f PM	89
50c37e21 PM	90	#ifdef CONFIG_SHARP_LOCOMO
	91	/*
	92	* low-level UART features.
	93	*/
8d48427e	94	struct platform_device collie_locomo_device;
50c37e21 PM	95
	96	static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
	97	{
93982535	98	if (mctrl & TIOCM_RTS)
8d48427e	99	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
93982535	100	else
8d48427e	101	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
50c37e21	102
93982535	103	if (mctrl & TIOCM_DTR)
8d48427e	104	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
93982535	105	else
8d48427e	106	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
50c37e21 PM	107	}
	108
	109	static u_int collie_uart_get_mctrl(struct uart_port *port)
	110	{
	111	int ret = TIOCM_CD;
	112	unsigned int r;
50c37e21	113
8d48427e RP	114	r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
	115	if (r == -ENODEV)
	116	return ret;
50c37e21 PM	117	if (r & LOCOMO_GPIO_CTS)
	118	ret \|= TIOCM_CTS;
	119	if (r & LOCOMO_GPIO_DSR)
	120	ret \|= TIOCM_DSR;
	121
	122	return ret;
	123	}
44575b2f PM	124
	125	static struct sa1100_port_fns collie_port_fns __initdata = {
	126	.set_mctrl = collie_uart_set_mctrl,
	127	.get_mctrl = collie_uart_get_mctrl,
	128	};
	129
50c37e21 PM	130	static int collie_uart_probe(struct locomo_dev *dev)
50c37e21 PM	131	{
50c37e21 PM	132	return 0;
	133	}
	134
	135	static int collie_uart_remove(struct locomo_dev *dev)
	136	{
50c37e21 PM	137	return 0;
	138	}
	139
	140	static struct locomo_driver collie_uart_driver = {
	141	.drv = {
	142	.name = "collie_uart",
	143	},
	144	.devid = LOCOMO_DEVID_UART,
	145	.probe = collie_uart_probe,
	146	.remove = collie_uart_remove,
	147	};
	148
e63cedb6 RK	149	static int __init collie_uart_init(void)
e63cedb6 RK	150	{
50c37e21 PM	151	return locomo_driver_register(&collie_uart_driver);
	152	}
	153	device_initcall(collie_uart_init);
	154
	155	#endif
	156
1da177e4 LT	157
	158	static struct resource locomo_resources[] = {
	159	[0] = {
	160	.start = 0x40000000,
	161	.end = 0x40001fff,
	162	.flags = IORESOURCE_MEM,
	163	},
	164	[1] = {
	165	.start = IRQ_GPIO25,
	166	.end = IRQ_GPIO25,
	167	.flags = IORESOURCE_IRQ,
	168	},
	169	};
	170
8d48427e	171	struct platform_device collie_locomo_device = {
1da177e4 LT	172	.name = "locomo",
	173	.id = 0,
	174	.num_resources = ARRAY_SIZE(locomo_resources),
	175	.resource = locomo_resources,
	176	};
	177
	178	static struct platform_device *devices[] __initdata = {
8d48427e	179	&collie_locomo_device,
1da177e4 LT	180	&colliescoop_device,
	181	};
	182
	183	static struct mtd_partition collie_partitions[] = {
	184	{
	185	.name = "bootloader",
	186	.offset = 0,
	187	.size = 0x000C0000,
	188	.mask_flags = MTD_WRITEABLE
	189	}, {
	190	.name = "kernel",
	191	.offset = MTDPART_OFS_APPEND,
	192	.size = 0x00100000,
	193	}, {
	194	.name = "rootfs",
	195	.offset = MTDPART_OFS_APPEND,
	196	.size = 0x00e20000,
	197	}
	198	};
	199
224be092 DB	200	static int collie_flash_init(void)
224be092 DB	201	{
e63cedb6	202	int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
224be092 DB	203	if (rc)
	204	return rc;
	205
	206	rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
	207	if (rc)
	208	gpio_free(COLLIE_GPIO_VPEN);
	209
	210	return rc;
	211	}
	212
1da177e4 LT	213	static void collie_set_vpp(int vpp)
1da177e4 LT	214	{
224be092	215	gpio_set_value(COLLIE_GPIO_VPEN, vpp);
1da177e4 LT	216	}
1da177e4 LT	217
224be092 DB	218	static void collie_flash_exit(void)
	219	{
	220	gpio_free(COLLIE_GPIO_VPEN);
	221	}
e63cedb6	222
1da177e4 LT	223	static struct flash_platform_data collie_flash_data = {
1da177e4 LT	224	.map_name = "cfi_probe",
224be092	225	.init = collie_flash_init,
1da177e4	226	.set_vpp = collie_set_vpp,
224be092	227	.exit = collie_flash_exit,
1da177e4 LT	228	.parts = collie_partitions,
	229	.nr_parts = ARRAY_SIZE(collie_partitions),
	230	};
	231
	232	static struct resource collie_flash_resources[] = {
	233	{
	234	.start = SA1100_CS0_PHYS,
	235	.end = SA1100_CS0_PHYS + SZ_32M - 1,
	236	.flags = IORESOURCE_MEM,
	237	}
	238	};
	239
	240	static void __init collie_init(void)
	241	{
	242	int ret = 0;
	243
	244	/* cpu initialize */
864d0ec9 TK	245	GAFR = GPIO_SSP_TXD \| GPIO_SSP_SCLK \| GPIO_SSP_SFRM \| GPIO_SSP_CLK \|
	246	GPIO_MCP_CLK \| GPIO_32_768kHz;
	247
	248	GPDR = GPIO_LDD8 \| GPIO_LDD9 \| GPIO_LDD10 \| GPIO_LDD11 \| GPIO_LDD12 \|
	249	GPIO_LDD13 \| GPIO_LDD14 \| GPIO_LDD15 \| GPIO_SSP_TXD \|
	250	GPIO_SSP_SCLK \| GPIO_SSP_SFRM \| GPIO_SDLC_SCLK \|
	251	COLLIE_GPIO_UCB1x00_RESET \| COLLIE_GPIO_nMIC_ON \|
	252	COLLIE_GPIO_nREMOCON_ON \| GPIO_32_768kHz;
	253
	254	PPDR = PPC_LDD0 \| PPC_LDD1 \| PPC_LDD2 \| PPC_LDD3 \| PPC_LDD4 \| PPC_LDD5 \|
	255	PPC_LDD6 \| PPC_LDD7 \| PPC_L_PCLK \| PPC_L_LCLK \| PPC_L_FCLK \| PPC_L_BIAS \|
	256	PPC_TXD1 \| PPC_TXD2 \| PPC_TXD3 \| PPC_TXD4 \| PPC_SCLK \| PPC_SFRM;
	257
	258	PWER = COLLIE_GPIO_AC_IN \| COLLIE_GPIO_CO \| COLLIE_GPIO_ON_KEY \|
	259	COLLIE_GPIO_WAKEUP \| COLLIE_GPIO_nREMOCON_INT \| PWER_RTC;
	260
	261	PGSR = COLLIE_GPIO_nREMOCON_ON;
	262
	263	PSDR = PPC_RXD1 \| PPC_RXD2 \| PPC_RXD3 \| PPC_RXD4;
	264
	265	PCFR = PCFR_OPDE;
	266
1da177e4	267
44575b2f PM	268	platform_scoop_config = &collie_pcmcia_config;
44575b2f PM	269
1da177e4 LT	270	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
	271	if (ret) {
	272	printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
	273	}
	274
	275	sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
	276	ARRAY_SIZE(collie_flash_resources));
44575b2f	277	sa11x0_set_mcp_data(&collie_mcp_data);
1da177e4 LT	278
	279	sharpsl_save_param();
	280	}
	281
	282	static struct map_desc collie_io_desc[] __initdata = {
92519d82 DS	283	{ /* 32M main flash (cs0) */
	284	.virtual = 0xe8000000,
	285	.pfn = __phys_to_pfn(0x00000000),
	286	.length = 0x02000000,
	287	.type = MT_DEVICE
	288	}, { /* 32M boot flash (cs1) */
	289	.virtual = 0xea000000,
	290	.pfn = __phys_to_pfn(0x08000000),
	291	.length = 0x02000000,
	292	.type = MT_DEVICE
	293	}
1da177e4 LT	294	};
	295
	296	static void __init collie_map_io(void)
	297	{
	298	sa1100_map_io();
	299	iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
50c37e21 PM	300
	301	#ifdef CONFIG_SHARP_LOCOMO
	302	sa1100_register_uart_fns(&collie_port_fns);
	303	#endif
	304	sa1100_register_uart(0, 3);
	305	sa1100_register_uart(1, 1);
1da177e4 LT	306	}
	307
	308	MACHINE_START(COLLIE, "Sharp-Collie")
e9dea0c6 RK	309	.phys_io = 0x80000000,
	310	.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
	311	.map_io = collie_map_io,
	312	.init_irq = sa1100_init_irq,
1da177e4 LT	313	.timer = &sa1100_timer,
	314	.init_machine = collie_init,
	315	MACHINE_END