[GitHub/mt8127/android_kernel_alcatel_ttab.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 <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 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_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>
	28
a09e64fb	29	#include <mach/hardware.h>
1da177e4 LT	30	#include <asm/mach-types.h>
	31	#include <asm/irq.h>
	32	#include <asm/setup.h>
a09e64fb	33	#include <mach/collie.h>
1da177e4 LT	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>
a09e64fb	43	#include <mach/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	70	static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
93982535 KE	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	},
44575b2f PM	77	};
	78
	79	static struct scoop_pcmcia_config collie_pcmcia_config = {
93982535 KE	80	.devs = &collie_pcmcia_scoop[0],
93982535 KE	81	.num_devs = 1,
44575b2f PM	82	};
44575b2f PM	83
44575b2f	84	static struct mcp_plat_data collie_mcp_data = {
93982535 KE	85	.mccr0 = MCCR0_ADM \| MCCR0_ExtClk,
93982535 KE	86	.sclk_rate = 9216000,
44575b2f PM	87	};
44575b2f PM	88
50c37e21 PM	89	#ifdef CONFIG_SHARP_LOCOMO
	90	/*
	91	* low-level UART features.
	92	*/
8d48427e	93	struct platform_device collie_locomo_device;
50c37e21 PM	94
	95	static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
	96	{
93982535	97	if (mctrl & TIOCM_RTS)
8d48427e	98	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
93982535	99	else
8d48427e	100	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
50c37e21	101
93982535	102	if (mctrl & TIOCM_DTR)
8d48427e	103	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
93982535	104	else
8d48427e	105	locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
50c37e21 PM	106	}
	107
	108	static u_int collie_uart_get_mctrl(struct uart_port *port)
	109	{
	110	int ret = TIOCM_CD;
	111	unsigned int r;
50c37e21	112
8d48427e RP	113	r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
	114	if (r == -ENODEV)
	115	return ret;
50c37e21 PM	116	if (r & LOCOMO_GPIO_CTS)
	117	ret \|= TIOCM_CTS;
	118	if (r & LOCOMO_GPIO_DSR)
	119	ret \|= TIOCM_DSR;
	120
	121	return ret;
	122	}
44575b2f PM	123
	124	static struct sa1100_port_fns collie_port_fns __initdata = {
	125	.set_mctrl = collie_uart_set_mctrl,
	126	.get_mctrl = collie_uart_get_mctrl,
	127	};
	128
50c37e21 PM	129	static int collie_uart_probe(struct locomo_dev *dev)
50c37e21 PM	130	{
50c37e21 PM	131	return 0;
	132	}
	133
	134	static int collie_uart_remove(struct locomo_dev *dev)
	135	{
50c37e21 PM	136	return 0;
	137	}
	138
	139	static struct locomo_driver collie_uart_driver = {
	140	.drv = {
	141	.name = "collie_uart",
	142	},
	143	.devid = LOCOMO_DEVID_UART,
	144	.probe = collie_uart_probe,
	145	.remove = collie_uart_remove,
	146	};
	147
	148	static int __init collie_uart_init(void) {
	149	return locomo_driver_register(&collie_uart_driver);
	150	}
	151	device_initcall(collie_uart_init);
	152
	153	#endif
	154
1da177e4 LT	155
	156	static struct resource locomo_resources[] = {
	157	[0] = {
	158	.start = 0x40000000,
	159	.end = 0x40001fff,
	160	.flags = IORESOURCE_MEM,
	161	},
	162	[1] = {
	163	.start = IRQ_GPIO25,
	164	.end = IRQ_GPIO25,
	165	.flags = IORESOURCE_IRQ,
	166	},
	167	};
	168
8d48427e	169	struct platform_device collie_locomo_device = {
1da177e4 LT	170	.name = "locomo",
	171	.id = 0,
	172	.num_resources = ARRAY_SIZE(locomo_resources),
	173	.resource = locomo_resources,
	174	};
	175
	176	static struct platform_device *devices[] __initdata = {
8d48427e	177	&collie_locomo_device,
1da177e4 LT	178	&colliescoop_device,
	179	};
	180
	181	static struct mtd_partition collie_partitions[] = {
	182	{
	183	.name = "bootloader",
	184	.offset = 0,
	185	.size = 0x000C0000,
	186	.mask_flags = MTD_WRITEABLE
	187	}, {
	188	.name = "kernel",
	189	.offset = MTDPART_OFS_APPEND,
	190	.size = 0x00100000,
	191	}, {
	192	.name = "rootfs",
	193	.offset = MTDPART_OFS_APPEND,
	194	.size = 0x00e20000,
	195	}
	196	};
	197
	198	static void collie_set_vpp(int vpp)
	199	{
97b8e00e	200	write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR) \| COLLIE_SCP_VPEN);
c0717602	201	if (vpp)
97b8e00e	202	write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) \| COLLIE_SCP_VPEN);
c0717602	203	else
97b8e00e	204	write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
1da177e4 LT	205	}
	206
	207	static struct flash_platform_data collie_flash_data = {
	208	.map_name = "cfi_probe",
	209	.set_vpp = collie_set_vpp,
	210	.parts = collie_partitions,
	211	.nr_parts = ARRAY_SIZE(collie_partitions),
	212	};
	213
	214	static struct resource collie_flash_resources[] = {
	215	{
	216	.start = SA1100_CS0_PHYS,
	217	.end = SA1100_CS0_PHYS + SZ_32M - 1,
	218	.flags = IORESOURCE_MEM,
	219	}
	220	};
	221
	222	static void __init collie_init(void)
	223	{
	224	int ret = 0;
	225
	226	/* cpu initialize */
864d0ec9 TK	227	GAFR = GPIO_SSP_TXD \| GPIO_SSP_SCLK \| GPIO_SSP_SFRM \| GPIO_SSP_CLK \|
	228	GPIO_MCP_CLK \| GPIO_32_768kHz;
	229
	230	GPDR = GPIO_LDD8 \| GPIO_LDD9 \| GPIO_LDD10 \| GPIO_LDD11 \| GPIO_LDD12 \|
	231	GPIO_LDD13 \| GPIO_LDD14 \| GPIO_LDD15 \| GPIO_SSP_TXD \|
	232	GPIO_SSP_SCLK \| GPIO_SSP_SFRM \| GPIO_SDLC_SCLK \|
	233	COLLIE_GPIO_UCB1x00_RESET \| COLLIE_GPIO_nMIC_ON \|
	234	COLLIE_GPIO_nREMOCON_ON \| GPIO_32_768kHz;
	235
	236	PPDR = PPC_LDD0 \| PPC_LDD1 \| PPC_LDD2 \| PPC_LDD3 \| PPC_LDD4 \| PPC_LDD5 \|
	237	PPC_LDD6 \| PPC_LDD7 \| PPC_L_PCLK \| PPC_L_LCLK \| PPC_L_FCLK \| PPC_L_BIAS \|
	238	PPC_TXD1 \| PPC_TXD2 \| PPC_TXD3 \| PPC_TXD4 \| PPC_SCLK \| PPC_SFRM;
	239
	240	PWER = COLLIE_GPIO_AC_IN \| COLLIE_GPIO_CO \| COLLIE_GPIO_ON_KEY \|
	241	COLLIE_GPIO_WAKEUP \| COLLIE_GPIO_nREMOCON_INT \| PWER_RTC;
	242
	243	PGSR = COLLIE_GPIO_nREMOCON_ON;
	244
	245	PSDR = PPC_RXD1 \| PPC_RXD2 \| PPC_RXD3 \| PPC_RXD4;
	246
	247	PCFR = PCFR_OPDE;
	248
1da177e4	249
44575b2f PM	250	platform_scoop_config = &collie_pcmcia_config;
44575b2f PM	251
1da177e4 LT	252	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
	253	if (ret) {
	254	printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
	255	}
	256
	257	sa11x0_set_flash_data(&collie_flash_data, collie_flash_resources,
	258	ARRAY_SIZE(collie_flash_resources));
44575b2f	259	sa11x0_set_mcp_data(&collie_mcp_data);
1da177e4 LT	260
	261	sharpsl_save_param();
	262	}
	263
	264	static struct map_desc collie_io_desc[] __initdata = {
92519d82 DS	265	{ /* 32M main flash (cs0) */
	266	.virtual = 0xe8000000,
	267	.pfn = __phys_to_pfn(0x00000000),
	268	.length = 0x02000000,
	269	.type = MT_DEVICE
	270	}, { /* 32M boot flash (cs1) */
	271	.virtual = 0xea000000,
	272	.pfn = __phys_to_pfn(0x08000000),
	273	.length = 0x02000000,
	274	.type = MT_DEVICE
	275	}
1da177e4 LT	276	};
	277
	278	static void __init collie_map_io(void)
	279	{
	280	sa1100_map_io();
	281	iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
50c37e21 PM	282
	283	#ifdef CONFIG_SHARP_LOCOMO
	284	sa1100_register_uart_fns(&collie_port_fns);
	285	#endif
	286	sa1100_register_uart(0, 3);
	287	sa1100_register_uart(1, 1);
1da177e4 LT	288	}
	289
	290	MACHINE_START(COLLIE, "Sharp-Collie")
e9dea0c6 RK	291	.phys_io = 0x80000000,
	292	.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
	293	.map_io = collie_map_io,
	294	.init_irq = sa1100_init_irq,
1da177e4 LT	295	.timer = &sa1100_timer,
	296	.init_machine = collie_init,
	297	MACHINE_END