[linux-2.6] / 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 <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/arch/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 <asm/arch/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 void collie_set_vpp(int vpp)
{
	write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR) | COLLIE_SCP_VPEN);
	if (vpp)
		write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) | COLLIE_SCP_VPEN);
	else
		write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
}

static struct flash_platform_data collie_flash_data = {
	.map_name	= "cfi_probe",
	.set_vpp	= collie_set_vpp,
	.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_TIC_ACK | \
		 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 | \
		 GPIO_SDLC_AAF | GPIO_UART_SCLK1 | GPIO_32_768kHz );
	GPLR = GPIO_GPIO18;

	// PPC pin setting
	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_RXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM );

	PSDR = ( PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4 );

	GAFR |= GPIO_32_768kHz;
	GPDR |= GPIO_32_768kHz;
	TUCR  = TUCR_32_768kHz;

	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>
	28
	29	#include <asm/hardware.h>
	30	#include <asm/mach-types.h>
	31	#include <asm/irq.h>
	32	#include <asm/setup.h>
	33	#include <asm/arch/collie.h>
	34
	35	#include <asm/mach/arch.h>
	36	#include <asm/mach/flash.h>
	37	#include <asm/mach/map.h>
	38	#include <asm/mach/serial_sa1100.h>
	39
	40	#include <asm/hardware/scoop.h>
	41	#include <asm/mach/sharpsl_param.h>
	42	#include <asm/hardware/locomo.h>
44575b2f	43	#include <asm/arch/mcp.h>
1da177e4 LT	44
	45	#include "generic.h"
	46
	47	static struct resource collie_scoop_resources[] = {
	48	[0] = {
	49	.start = 0x40800000,
	50	.end = 0x40800fff,
	51	.flags = IORESOURCE_MEM,
	52	},
	53	};
	54
	55	static struct scoop_config collie_scoop_setup = {
	56	.io_dir = COLLIE_SCOOP_IO_DIR,
	57	.io_out = COLLIE_SCOOP_IO_OUT,
	58	};
	59
	60	struct platform_device colliescoop_device = {
	61	.name = "sharp-scoop",
	62	.id = -1,
	63	.dev = {
	64	.platform_data = &collie_scoop_setup,
	65	},
	66	.num_resources = ARRAY_SIZE(collie_scoop_resources),
	67	.resource = collie_scoop_resources,
	68	};
	69
44575b2f PM	70	static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
	71	{
	72	.dev = &colliescoop_device.dev,
	73	.irq = COLLIE_IRQ_GPIO_CF_IRQ,
	74	.cd_irq = COLLIE_IRQ_GPIO_CF_CD,
	75	.cd_irq_str = "PCMCIA0 CD",
	76	},
	77	};
	78
	79	static struct scoop_pcmcia_config collie_pcmcia_config = {
	80	.devs = &collie_pcmcia_scoop[0],
	81	.num_devs = 1,
	82	};
	83
	84
	85	static struct mcp_plat_data collie_mcp_data = {
b94ea6c0 PM	86	.mccr0 = MCCR0_ADM \| MCCR0_ExtClk,
b94ea6c0 PM	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	{
50c37e21	98	if (mctrl & TIOCM_RTS)
8d48427e	99	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
50c37e21	100	else
8d48427e	101	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
50c37e21 PM	102
50c37e21 PM	103	if (mctrl & TIOCM_DTR)
8d48427e	104	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
50c37e21	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
	149	static int __init collie_uart_init(void) {
	150	return locomo_driver_register(&collie_uart_driver);
	151	}
	152	device_initcall(collie_uart_init);
	153
	154	#endif
	155
1da177e4 LT	156
	157	static struct resource locomo_resources[] = {
	158	[0] = {
	159	.start = 0x40000000,
	160	.end = 0x40001fff,
	161	.flags = IORESOURCE_MEM,
	162	},
	163	[1] = {
	164	.start = IRQ_GPIO25,
	165	.end = IRQ_GPIO25,
	166	.flags = IORESOURCE_IRQ,
	167	},
	168	};
	169
8d48427e	170	struct platform_device collie_locomo_device = {
1da177e4 LT	171	.name = "locomo",
	172	.id = 0,
	173	.num_resources = ARRAY_SIZE(locomo_resources),
	174	.resource = locomo_resources,
	175	};
	176
	177	static struct platform_device *devices[] __initdata = {
8d48427e	178	&collie_locomo_device,
1da177e4 LT	179	&colliescoop_device,
	180	};
	181
	182	static struct mtd_partition collie_partitions[] = {
	183	{
	184	.name = "bootloader",
	185	.offset = 0,
	186	.size = 0x000C0000,
	187	.mask_flags = MTD_WRITEABLE
	188	}, {
	189	.name = "kernel",
	190	.offset = MTDPART_OFS_APPEND,
	191	.size = 0x00100000,
	192	}, {
	193	.name = "rootfs",
	194	.offset = MTDPART_OFS_APPEND,
	195	.size = 0x00e20000,
	196	}
	197	};
	198
	199	static void collie_set_vpp(int vpp)
	200	{
97b8e00e	201	write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR) \| COLLIE_SCP_VPEN);
c0717602	202	if (vpp)
97b8e00e	203	write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) \| COLLIE_SCP_VPEN);
c0717602	204	else
97b8e00e	205	write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
1da177e4 LT	206	}
	207
	208	static struct flash_platform_data collie_flash_data = {
	209	.map_name = "cfi_probe",
	210	.set_vpp = collie_set_vpp,
	211	.parts = collie_partitions,
	212	.nr_parts = ARRAY_SIZE(collie_partitions),
	213	};
	214
	215	static struct resource collie_flash_resources[] = {
	216	{
	217	.start = SA1100_CS0_PHYS,
	218	.end = SA1100_CS0_PHYS + SZ_32M - 1,
	219	.flags = IORESOURCE_MEM,
	220	}
	221	};
	222
	223	static void __init collie_init(void)
	224	{
	225	int ret = 0;
	226
	227	/* cpu initialize */
	228	GAFR = ( GPIO_SSP_TXD \| \
	229	GPIO_SSP_SCLK \| GPIO_SSP_SFRM \| GPIO_SSP_CLK \| GPIO_TIC_ACK \| \
	230	GPIO_32_768kHz );
	231
	232	GPDR = ( GPIO_LDD8 \| GPIO_LDD9 \| GPIO_LDD10 \| GPIO_LDD11 \| GPIO_LDD12 \| \
	233	GPIO_LDD13 \| GPIO_LDD14 \| GPIO_LDD15 \| GPIO_SSP_TXD \| \
	234	GPIO_SSP_SCLK \| GPIO_SSP_SFRM \| GPIO_SDLC_SCLK \| \
	235	GPIO_SDLC_AAF \| GPIO_UART_SCLK1 \| GPIO_32_768kHz );
	236	GPLR = GPIO_GPIO18;
	237
	238	// PPC pin setting
	239	PPDR = ( PPC_LDD0 \| PPC_LDD1 \| PPC_LDD2 \| PPC_LDD3 \| PPC_LDD4 \| PPC_LDD5 \| \
	240	PPC_LDD6 \| PPC_LDD7 \| PPC_L_PCLK \| PPC_L_LCLK \| PPC_L_FCLK \| PPC_L_BIAS \| \
	241	PPC_TXD1 \| PPC_TXD2 \| PPC_RXD2 \| PPC_TXD3 \| PPC_TXD4 \| PPC_SCLK \| PPC_SFRM );
	242
	243	PSDR = ( PPC_RXD1 \| PPC_RXD2 \| PPC_RXD3 \| PPC_RXD4 );
	244
	245	GAFR \|= GPIO_32_768kHz;
	246	GPDR \|= GPIO_32_768kHz;
	247	TUCR = TUCR_32_768kHz;
	248
44575b2f PM	249	platform_scoop_config = &collie_pcmcia_config;
44575b2f PM	250
1da177e4 LT	251	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
	252	if (ret) {
	253	printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
	254	}
	255
	256	sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
	257	ARRAY_SIZE(collie_flash_resources));
44575b2f	258	sa11x0_set_mcp_data(&collie_mcp_data);
1da177e4 LT	259
	260	sharpsl_save_param();
	261	}
	262
	263	static struct map_desc collie_io_desc[] __initdata = {
92519d82 DS	264	{ /* 32M main flash (cs0) */
	265	.virtual = 0xe8000000,
	266	.pfn = __phys_to_pfn(0x00000000),
	267	.length = 0x02000000,
	268	.type = MT_DEVICE
	269	}, { /* 32M boot flash (cs1) */
	270	.virtual = 0xea000000,
	271	.pfn = __phys_to_pfn(0x08000000),
	272	.length = 0x02000000,
	273	.type = MT_DEVICE
	274	}
1da177e4 LT	275	};
	276
	277	static void __init collie_map_io(void)
	278	{
	279	sa1100_map_io();
	280	iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
50c37e21 PM	281
	282	#ifdef CONFIG_SHARP_LOCOMO
	283	sa1100_register_uart_fns(&collie_port_fns);
	284	#endif
	285	sa1100_register_uart(0, 3);
	286	sa1100_register_uart(1, 1);
1da177e4 LT	287	}
	288
	289	MACHINE_START(COLLIE, "Sharp-Collie")
e9dea0c6 RK	290	.phys_io = 0x80000000,
	291	.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
	292	.map_io = collie_map_io,
	293	.init_irq = sa1100_init_irq,
1da177e4 LT	294	.timer = &sa1100_timer,
	295	.init_machine = collie_init,
	296	MACHINE_END