summaryrefslogtreecommitdiff
path: root/arch/mips/alchemy/devboards/pb1200/platform.c
blob: 3ef2dceeb796a8abf807fdd71471f0527419136d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
/*
 * Pb1200/DBAu1200 board platform device registration
 *
 * Copyright (C) 2008 MontaVista Software Inc. <source@mvista.com>
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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/dma-mapping.h>
#include <linux/init.h>
#include <linux/leds.h>
#include <linux/platform_device.h>
#include <linux/smc91x.h>

#include <asm/mach-au1x00/au1xxx.h>
#include <asm/mach-au1x00/au1100_mmc.h>
#include <asm/mach-db1x00/bcsr.h>

#include "../platform.h"

static int mmc_activity;

static void pb1200mmc0_set_power(void *mmc_host, int state)
{
	if (state)
		bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD0PWR);
	else
		bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD0PWR, 0);

	msleep(1);
}

static int pb1200mmc0_card_readonly(void *mmc_host)
{
	return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 1 : 0;
}

static int pb1200mmc0_card_inserted(void *mmc_host)
{
	return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT) ? 1 : 0;
}

static void pb1200_mmcled_set(struct led_classdev *led,
			enum led_brightness brightness)
{
	if (brightness != LED_OFF) {
		if (++mmc_activity == 1)
			bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
	} else {
		if (--mmc_activity == 0)
			bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
	}
}

static struct led_classdev pb1200mmc_led = {
	.brightness_set	= pb1200_mmcled_set,
};

static void pb1200mmc1_set_power(void *mmc_host, int state)
{
	if (state)
		bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD1PWR);
	else
		bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD1PWR, 0);

	msleep(1);
}

static int pb1200mmc1_card_readonly(void *mmc_host)
{
	return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD1WP) ? 1 : 0;
}

static int pb1200mmc1_card_inserted(void *mmc_host)
{
	return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) ? 1 : 0;
}

const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
	[0] = {
		.set_power	= pb1200mmc0_set_power,
		.card_inserted	= pb1200mmc0_card_inserted,
		.card_readonly	= pb1200mmc0_card_readonly,
		.cd_setup	= NULL,		/* use poll-timer in driver */
		.led		= &pb1200mmc_led,
	},
	[1] = {
		.set_power	= pb1200mmc1_set_power,
		.card_inserted	= pb1200mmc1_card_inserted,
		.card_readonly	= pb1200mmc1_card_readonly,
		.cd_setup	= NULL,		/* use poll-timer in driver */
		.led		= &pb1200mmc_led,
	},
};

static struct resource ide_resources[] = {
	[0] = {
		.start	= IDE_PHYS_ADDR,
		.end 	= IDE_PHYS_ADDR + IDE_PHYS_LEN - 1,
		.flags	= IORESOURCE_MEM
	},
	[1] = {
		.start	= IDE_INT,
		.end	= IDE_INT,
		.flags	= IORESOURCE_IRQ
	}
};

static u64 ide_dmamask = DMA_BIT_MASK(32);

static struct platform_device ide_device = {
	.name		= "au1200-ide",
	.id		= 0,
	.dev = {
		.dma_mask 		= &ide_dmamask,
		.coherent_dma_mask	= DMA_BIT_MASK(32),
	},
	.num_resources	= ARRAY_SIZE(ide_resources),
	.resource	= ide_resources
};

static struct smc91x_platdata smc_data = {
	.flags	= SMC91X_NOWAIT | SMC91X_USE_16BIT,
	.leda	= RPC_LED_100_10,
	.ledb	= RPC_LED_TX_RX,
};

static struct resource smc91c111_resources[] = {
	[0] = {
		.name	= "smc91x-regs",
		.start	= SMC91C111_PHYS_ADDR,
		.end	= SMC91C111_PHYS_ADDR + 0xf,
		.flags	= IORESOURCE_MEM
	},
	[1] = {
		.start	= SMC91C111_INT,
		.end	= SMC91C111_INT,
		.flags	= IORESOURCE_IRQ
	},
};

static struct platform_device smc91c111_device = {
	.dev	= {
		.platform_data	= &smc_data,
	},
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(smc91c111_resources),
	.resource	= smc91c111_resources
};

static struct platform_device *board_platform_devices[] __initdata = {
	&ide_device,
	&smc91c111_device
};

static int __init board_register_devices(void)
{
	int swapped;

	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
				    PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
				    PCMCIA_MEM_PHYS_ADDR,
				    PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
				    PCMCIA_IO_PHYS_ADDR,
				    PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
				    PB1200_PC0_INT,
				    PB1200_PC0_INSERT_INT,
				    /*PB1200_PC0_STSCHG_INT*/0,
				    PB1200_PC0_EJECT_INT,
				    0);

	db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
				    PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
				    PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
				    PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
				    PCMCIA_IO_PHYS_ADDR   + 0x008000000,
				    PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
				    PB1200_PC1_INT,
				    PB1200_PC1_INSERT_INT,
				    /*PB1200_PC1_STSCHG_INT*/0,
				    PB1200_PC1_EJECT_INT,
				    1);

	swapped = bcsr_read(BCSR_STATUS) &  BCSR_STATUS_DB1200_SWAPBOOT;
	db1x_register_norflash(128 * 1024 * 1024, 2, swapped);

	return platform_add_devices(board_platform_devices,
				    ARRAY_SIZE(board_platform_devices));
}
device_initcall(board_register_devices);