[net-next-2.6.git] / arch / arm / mach-shmobile / board-ap4evb.c

/*
 * AP4EVB board support
 *
 * Copyright (C) 2010  Magnus Damm
 * Copyright (C) 2008  Yoshihiro Shimoda
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/io.h>
#include <linux/smsc911x.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <mach/common.h>
#include <mach/sh7372.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

/*
 * Address	Interface		BusWidth	note
 * ------------------------------------------------------------------
 * 0x0000_0000	NOR Flash ROM (MCP)	16bit		SW7 : bit1 = ON
 * 0x0800_0000	user area		-
 * 0x1000_0000	NOR Flash ROM (MCP)	16bit		SW7 : bit1 = OFF
 * 0x1400_0000	Ether (LAN9220)		16bit
 * 0x1600_0000	user area		-		cannot use with NAND
 * 0x1800_0000	user area		-
 * 0x1A00_0000	-
 * 0x4000_0000	LPDDR2-SDRAM (POP)	32bit
 */

/*
 * NOR Flash ROM
 *
 *  SW1  |     SW2    | SW7  | NOR Flash ROM
 *  bit1 | bit1  bit2 | bit1 | Memory allocation
 * ------+------------+------+------------------
 *  OFF  | ON     OFF | ON   |    Area 0
 *  OFF  | ON     OFF | OFF  |    Area 4
 */

/*
 * NAND Flash ROM
 *
 *  SW1  |     SW2    | SW7  | NAND Flash ROM
 *  bit1 | bit1  bit2 | bit2 | Memory allocation
 * ------+------------+------+------------------
 *  OFF  | ON     OFF | ON   |    FCE 0
 *  OFF  | ON     OFF | OFF  |    FCE 1
 */

/*
 * SMSC 9220
 *
 *  SW1		SMSC 9220
 * -----------------------
 *  ON		access disable
 *  OFF		access enable
 */

/*
 * KEYSC
 *
 * SW43		KEYSC
 * -------------------------
 * ON		enable
 * OFF		disable
 */

/* MTD */
static struct mtd_partition nor_flash_partitions[] = {
	{
		.name		= "loader",
		.offset		= 0x00000000,
		.size		= 512 * 1024,
	},
	{
		.name		= "bootenv",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 512 * 1024,
	},
	{
		.name		= "kernel_ro",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 8 * 1024 * 1024,
		.mask_flags	= MTD_WRITEABLE,
	},
	{
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 8 * 1024 * 1024,
	},
	{
		.name		= "data",
		.offset		= MTDPART_OFS_APPEND,
		.size		= MTDPART_SIZ_FULL,
	},
};

static struct physmap_flash_data nor_flash_data = {
	.width		= 2,
	.parts		= nor_flash_partitions,
	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
};

static struct resource nor_flash_resources[] = {
	[0]	= {
		.start	= 0x00000000,
		.end	= 0x08000000 - 1,
		.flags	= IORESOURCE_MEM,
	}
};

static struct platform_device nor_flash_device = {
	.name		= "physmap-flash",
	.dev		= {
		.platform_data	= &nor_flash_data,
	},
	.num_resources	= ARRAY_SIZE(nor_flash_resources),
	.resource	= nor_flash_resources,
};

/* SMSC 9220 */
static struct resource smc911x_resources[] = {
	{
		.start	= 0x14000000,
		.end	= 0x16000000 - 1,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= 6,
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	},
};

static struct smsc911x_platform_config smsc911x_info = {
	.flags		= SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
	.irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
};

static struct platform_device smc911x_device = {
	.name           = "smsc911x",
	.id             = -1,
	.num_resources  = ARRAY_SIZE(smc911x_resources),
	.resource       = smc911x_resources,
	.dev            = {
		.platform_data = &smsc911x_info,
	},
};

/* KEYSC (Needs SW43 set to ON) */
static struct sh_keysc_info keysc_info = {
	.mode		= SH_KEYSC_MODE_1,
	.scan_timing	= 3,
	.delay		= 2500,
	.keycodes = {
		KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
		KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
		KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
		KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
		KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
	},
};

static struct resource keysc_resources[] = {
	[0] = {
		.name	= "KEYSC",
		.start  = 0xe61b0000,
		.end    = 0xe61b0063,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = 79,
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device keysc_device = {
	.name           = "sh_keysc",
	.id             = 0, /* "keysc0" clock */
	.num_resources  = ARRAY_SIZE(keysc_resources),
	.resource       = keysc_resources,
	.dev	= {
		.platform_data	= &keysc_info,
	},
};

static struct platform_device *ap4evb_devices[] __initdata = {
	&nor_flash_device,
	&smc911x_device,
	&keysc_device,
};

static struct map_desc ap4evb_io_desc[] __initdata = {
	/* create a 1:1 entity map for 0xe6xxxxxx
	 * used by CPGA, INTC and PFC.
	 */
	{
		.virtual	= 0xe6000000,
		.pfn		= __phys_to_pfn(0xe6000000),
		.length		= 256 << 20,
		.type		= MT_DEVICE_NONSHARED
	},
};

static void __init ap4evb_map_io(void)
{
	iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));

	/* setup early devices, clocks and console here as well */
	sh7372_add_early_devices();
	sh7367_clock_init(); /* use g3 clocks for now */
	shmobile_setup_console();
}

static void __init ap4evb_init(void)
{
	sh7372_pinmux_init();

	/* enable SCIFA0 */
	gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
	gpio_request(GPIO_FN_SCIFA0_RXD, NULL);

	/* enable SMSC911X */
	gpio_request(GPIO_FN_CS5A,	NULL);
	gpio_request(GPIO_FN_IRQ6_39,	NULL);

	/* enable LED 1 - 4 */
	gpio_request(GPIO_PORT185, NULL);
	gpio_request(GPIO_PORT186, NULL);
	gpio_request(GPIO_PORT187, NULL);
	gpio_request(GPIO_PORT188, NULL);
	gpio_direction_output(GPIO_PORT185, 1);
	gpio_direction_output(GPIO_PORT186, 1);
	gpio_direction_output(GPIO_PORT187, 1);
	gpio_direction_output(GPIO_PORT188, 1);
	gpio_export(GPIO_PORT185, 0);
	gpio_export(GPIO_PORT186, 0);
	gpio_export(GPIO_PORT187, 0);
	gpio_export(GPIO_PORT188, 0);

	/* enable Debug switch (S6) */
	gpio_request(GPIO_PORT32, NULL);
	gpio_request(GPIO_PORT33, NULL);
	gpio_request(GPIO_PORT34, NULL);
	gpio_request(GPIO_PORT35, NULL);
	gpio_direction_input(GPIO_PORT32);
	gpio_direction_input(GPIO_PORT33);
	gpio_direction_input(GPIO_PORT34);
	gpio_direction_input(GPIO_PORT35);
	gpio_export(GPIO_PORT32, 0);
	gpio_export(GPIO_PORT33, 0);
	gpio_export(GPIO_PORT34, 0);
	gpio_export(GPIO_PORT35, 0);

	/* enable KEYSC */
	gpio_request(GPIO_FN_KEYOUT0, NULL);
	gpio_request(GPIO_FN_KEYOUT1, NULL);
	gpio_request(GPIO_FN_KEYOUT2, NULL);
	gpio_request(GPIO_FN_KEYOUT3, NULL);
	gpio_request(GPIO_FN_KEYOUT4, NULL);
	gpio_request(GPIO_FN_KEYIN0_136, NULL);
	gpio_request(GPIO_FN_KEYIN1_135, NULL);
	gpio_request(GPIO_FN_KEYIN2_134, NULL);
	gpio_request(GPIO_FN_KEYIN3_133, NULL);
	gpio_request(GPIO_FN_KEYIN4,     NULL);

	sh7372_add_standard_devices();

	platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
}

MACHINE_START(AP4EVB, "ap4evb")
	.phys_io	= 0xe6000000,
	.io_pg_offst	= ((0xe6000000) >> 18) & 0xfffc,
	.map_io		= ap4evb_map_io,
	.init_irq	= sh7372_init_irq,
	.init_machine	= ap4evb_init,
	.timer		= &shmobile_timer,
MACHINE_END
Commit	Line	Data
2b7eda63 MD	1	/*
	2	* AP4EVB board support
	3	*
	4	* Copyright (C) 2010 Magnus Damm
	5	* Copyright (C) 2008 Yoshihiro Shimoda
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; version 2 of the License.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20	#include <linux/kernel.h>
	21	#include <linux/init.h>
	22	#include <linux/interrupt.h>
	23	#include <linux/irq.h>
	24	#include <linux/platform_device.h>
	25	#include <linux/delay.h>
	26	#include <linux/mtd/mtd.h>
	27	#include <linux/mtd/partitions.h>
	28	#include <linux/mtd/physmap.h>
	29	#include <linux/io.h>
1b7e0677 KM	30	#include <linux/smsc911x.h>
1b7e0677 KM	31	#include <linux/gpio.h>
17ccb834 KM	32	#include <linux/input.h>
17ccb834 KM	33	#include <linux/input/sh_keysc.h>
2b7eda63	34	#include <mach/common.h>
1b7e0677	35	#include <mach/sh7372.h>
2b7eda63 MD	36	#include <asm/mach-types.h>
	37	#include <asm/mach/arch.h>
	38	#include <asm/mach/map.h>
	39
02624a17 KM	40	/*
	41	* Address Interface BusWidth note
	42	* ------------------------------------------------------------------
	43	* 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
	44	* 0x0800_0000 user area -
	45	* 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
	46	* 0x1400_0000 Ether (LAN9220) 16bit
	47	* 0x1600_0000 user area - cannot use with NAND
	48	* 0x1800_0000 user area -
	49	* 0x1A00_0000 -
	50	* 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
	51	*/
	52
	53	/*
	54	* NOR Flash ROM
	55	*
	56	* SW1 \| SW2 \| SW7 \| NOR Flash ROM
	57	* bit1 \| bit1 bit2 \| bit1 \| Memory allocation
	58	* ------+------------+------+------------------
	59	* OFF \| ON OFF \| ON \| Area 0
	60	* OFF \| ON OFF \| OFF \| Area 4
	61	*/
	62
	63	/*
	64	* NAND Flash ROM
	65	*
	66	* SW1 \| SW2 \| SW7 \| NAND Flash ROM
	67	* bit1 \| bit1 bit2 \| bit2 \| Memory allocation
	68	* ------+------------+------+------------------
	69	* OFF \| ON OFF \| ON \| FCE 0
	70	* OFF \| ON OFF \| OFF \| FCE 1
	71	*/
	72
	73	/*
	74	* SMSC 9220
	75	*
	76	* SW1 SMSC 9220
	77	* -----------------------
	78	* ON access disable
	79	* OFF access enable
	80	*/
	81
17ccb834 KM	82	/*
	83	* KEYSC
	84	*
	85	* SW43 KEYSC
	86	* -------------------------
	87	* ON enable
	88	* OFF disable
	89	*/
	90
1b7e0677	91	/* MTD */
2b7eda63 MD	92	static struct mtd_partition nor_flash_partitions[] = {
	93	{
	94	.name = "loader",
	95	.offset = 0x00000000,
	96	.size = 512 * 1024,
	97	},
	98	{
	99	.name = "bootenv",
	100	.offset = MTDPART_OFS_APPEND,
	101	.size = 512 * 1024,
	102	},
	103	{
	104	.name = "kernel_ro",
	105	.offset = MTDPART_OFS_APPEND,
	106	.size = 8 * 1024 * 1024,
	107	.mask_flags = MTD_WRITEABLE,
	108	},
	109	{
	110	.name = "kernel",
	111	.offset = MTDPART_OFS_APPEND,
	112	.size = 8 * 1024 * 1024,
	113	},
	114	{
	115	.name = "data",
	116	.offset = MTDPART_OFS_APPEND,
	117	.size = MTDPART_SIZ_FULL,
	118	},
	119	};
	120
	121	static struct physmap_flash_data nor_flash_data = {
	122	.width = 2,
	123	.parts = nor_flash_partitions,
	124	.nr_parts = ARRAY_SIZE(nor_flash_partitions),
	125	};
	126
	127	static struct resource nor_flash_resources[] = {
	128	[0] = {
	129	.start = 0x00000000,
	130	.end = 0x08000000 - 1,
	131	.flags = IORESOURCE_MEM,
	132	}
	133	};
	134
	135	static struct platform_device nor_flash_device = {
	136	.name = "physmap-flash",
	137	.dev = {
	138	.platform_data = &nor_flash_data,
	139	},
	140	.num_resources = ARRAY_SIZE(nor_flash_resources),
	141	.resource = nor_flash_resources,
	142	};
	143
1b7e0677 KM	144	/* SMSC 9220 */
	145	static struct resource smc911x_resources[] = {
	146	{
	147	.start = 0x14000000,
	148	.end = 0x16000000 - 1,
	149	.flags = IORESOURCE_MEM,
	150	}, {
	151	.start = 6,
	152	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWLEVEL,
	153	},
	154	};
	155
	156	static struct smsc911x_platform_config smsc911x_info = {
	157	.flags = SMSC911X_USE_16BIT \| SMSC911X_SAVE_MAC_ADDRESS,
	158	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	159	.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
	160	};
	161
	162	static struct platform_device smc911x_device = {
	163	.name = "smsc911x",
	164	.id = -1,
	165	.num_resources = ARRAY_SIZE(smc911x_resources),
	166	.resource = smc911x_resources,
	167	.dev = {
	168	.platform_data = &smsc911x_info,
	169	},
	170	};
2b7eda63	171
17ccb834 KM	172	/* KEYSC (Needs SW43 set to ON) */
	173	static struct sh_keysc_info keysc_info = {
	174	.mode = SH_KEYSC_MODE_1,
	175	.scan_timing = 3,
	176	.delay = 2500,
	177	.keycodes = {
	178	KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
	179	KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
	180	KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
	181	KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
	182	KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
	183	},
	184	};
	185
	186	static struct resource keysc_resources[] = {
	187	[0] = {
	188	.name = "KEYSC",
	189	.start = 0xe61b0000,
	190	.end = 0xe61b0063,
	191	.flags = IORESOURCE_MEM,
	192	},
	193	[1] = {
	194	.start = 79,
	195	.flags = IORESOURCE_IRQ,
	196	},
	197	};
	198
	199	static struct platform_device keysc_device = {
	200	.name = "sh_keysc",
	201	.id = 0, /* "keysc0" clock */
	202	.num_resources = ARRAY_SIZE(keysc_resources),
	203	.resource = keysc_resources,
	204	.dev = {
	205	.platform_data = &keysc_info,
	206	},
	207	};
	208
2b7eda63 MD	209	static struct platform_device *ap4evb_devices[] __initdata = {
2b7eda63 MD	210	&nor_flash_device,
1b7e0677	211	&smc911x_device,
17ccb834	212	&keysc_device,
2b7eda63 MD	213	};
	214
	215	static struct map_desc ap4evb_io_desc[] __initdata = {
	216	/* create a 1:1 entity map for 0xe6xxxxxx
	217	* used by CPGA, INTC and PFC.
	218	*/
	219	{
	220	.virtual = 0xe6000000,
	221	.pfn = __phys_to_pfn(0xe6000000),
	222	.length = 256 << 20,
	223	.type = MT_DEVICE_NONSHARED
	224	},
	225	};
	226
	227	static void __init ap4evb_map_io(void)
	228	{
	229	iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
	230
4ae04acb	231	/* setup early devices, clocks and console here as well */
2b7eda63 MD	232	sh7372_add_early_devices();
2b7eda63 MD	233	sh7367_clock_init(); /* use g3 clocks for now */
4ae04acb	234	shmobile_setup_console();
2b7eda63 MD	235	}
	236
	237	static void __init ap4evb_init(void)
	238	{
1b7e0677 KM	239	sh7372_pinmux_init();
1b7e0677 KM	240
b228b48e KM	241	/* enable SCIFA0 */
	242	gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
	243	gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
	244
1b7e0677 KM	245	/* enable SMSC911X */
	246	gpio_request(GPIO_FN_CS5A, NULL);
	247	gpio_request(GPIO_FN_IRQ6_39, NULL);
	248
5098280e KM	249	/* enable LED 1 - 4 */
	250	gpio_request(GPIO_PORT185, NULL);
	251	gpio_request(GPIO_PORT186, NULL);
	252	gpio_request(GPIO_PORT187, NULL);
	253	gpio_request(GPIO_PORT188, NULL);
	254	gpio_direction_output(GPIO_PORT185, 1);
	255	gpio_direction_output(GPIO_PORT186, 1);
	256	gpio_direction_output(GPIO_PORT187, 1);
	257	gpio_direction_output(GPIO_PORT188, 1);
	258	gpio_export(GPIO_PORT185, 0);
	259	gpio_export(GPIO_PORT186, 0);
	260	gpio_export(GPIO_PORT187, 0);
	261	gpio_export(GPIO_PORT188, 0);
	262
8cb3a2eb KM	263	/* enable Debug switch (S6) */
	264	gpio_request(GPIO_PORT32, NULL);
	265	gpio_request(GPIO_PORT33, NULL);
	266	gpio_request(GPIO_PORT34, NULL);
	267	gpio_request(GPIO_PORT35, NULL);
	268	gpio_direction_input(GPIO_PORT32);
	269	gpio_direction_input(GPIO_PORT33);
	270	gpio_direction_input(GPIO_PORT34);
	271	gpio_direction_input(GPIO_PORT35);
	272	gpio_export(GPIO_PORT32, 0);
	273	gpio_export(GPIO_PORT33, 0);
	274	gpio_export(GPIO_PORT34, 0);
	275	gpio_export(GPIO_PORT35, 0);
	276
17ccb834 KM	277	/* enable KEYSC */
	278	gpio_request(GPIO_FN_KEYOUT0, NULL);
	279	gpio_request(GPIO_FN_KEYOUT1, NULL);
	280	gpio_request(GPIO_FN_KEYOUT2, NULL);
	281	gpio_request(GPIO_FN_KEYOUT3, NULL);
	282	gpio_request(GPIO_FN_KEYOUT4, NULL);
	283	gpio_request(GPIO_FN_KEYIN0_136, NULL);
	284	gpio_request(GPIO_FN_KEYIN1_135, NULL);
	285	gpio_request(GPIO_FN_KEYIN2_134, NULL);
	286	gpio_request(GPIO_FN_KEYIN3_133, NULL);
	287	gpio_request(GPIO_FN_KEYIN4, NULL);
	288
2b7eda63 MD	289	sh7372_add_standard_devices();
	290
	291	platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
	292	}
	293
	294	MACHINE_START(AP4EVB, "ap4evb")
	295	.phys_io = 0xe6000000,
	296	.io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
	297	.map_io = ap4evb_map_io,
	298	.init_irq = sh7372_init_irq,
	299	.init_machine = ap4evb_init,
	300	.timer = &shmobile_timer,
	301	MACHINE_END