aboutsummaryrefslogtreecommitdiff
path: root/arch/sh/boards/renesas/rts7751r2d/setup.c
blob: 37f2c0b447fe48798b64e07fd2a28d626bcfea02 (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
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
/*
 * Renesas Technology Sales RTS7751R2D Support.
 *
 * Copyright (C) 2002 - 2006 Atom Create Engineering Co., Ltd.
 * Copyright (C) 2004 - 2007 Paul Mundt
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pata_platform.h>
#include <linux/serial_8250.h>
#include <linux/sm501.h>
#include <linux/pm.h>
#include <asm/machvec.h>
#include <asm/rts7751r2d.h>
#include <asm/voyagergx.h>
#include <asm/io.h>

static void __init voyagergx_serial_init(void)
{
	unsigned long val;

	/*
	 * GPIO Control
	 */
	val = readl((void __iomem *)GPIO_MUX_HIGH);
	val |= 0x00001fe0;
	writel(val, (void __iomem *)GPIO_MUX_HIGH);

	/*
	 * Power Mode Gate
	 */
	val = readl((void __iomem *)POWER_MODE0_GATE);
	val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
	writel(val, (void __iomem *)POWER_MODE0_GATE);

	val = readl((void __iomem *)POWER_MODE1_GATE);
	val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
	writel(val, (void __iomem *)POWER_MODE1_GATE);
}

static struct resource cf_ide_resources[] = {
	[0] = {
		.start	= PA_AREA5_IO + 0x1000,
		.end	= PA_AREA5_IO + 0x1000 + 0x10 - 0x2,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= PA_AREA5_IO + 0x80c,
		.end	= PA_AREA5_IO + 0x80c,
		.flags	= IORESOURCE_MEM,
	},
	[2] = {
		.start	= IRQ_CF_IDE,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct pata_platform_info pata_info = {
	.ioport_shift	= 1,
};

static struct platform_device cf_ide_device  = {
	.name		= "pata_platform",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(cf_ide_resources),
	.resource	= cf_ide_resources,
	.dev	= {
		.platform_data	= &pata_info,
	},
};

static struct resource heartbeat_resources[] = {
	[0] = {
		.start	= PA_OUTPORT,
		.end	= PA_OUTPORT,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device heartbeat_device = {
	.name		= "heartbeat",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(heartbeat_resources),
	.resource	= heartbeat_resources,
};

#ifdef CONFIG_MFD_SM501
static struct plat_serial8250_port uart_platform_data[] = {
	{
		.membase	= (void __iomem *)VOYAGER_UART_BASE,
		.mapbase	= VOYAGER_UART_BASE,
		.iotype		= UPIO_MEM,
		.irq		= IRQ_SM501_U0,
		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
		.regshift	= 2,
		.uartclk	= (9600 * 16),
	},
	{ 0 },
};

static struct platform_device uart_device = {
	.name		= "serial8250",
	.id		= PLAT8250_DEV_PLATFORM,
	.dev		= {
		.platform_data	= uart_platform_data,
	},
};

static struct resource sm501_resources[] = {
	[0]	= {
		.start	= 0x10000000,
		.end	= 0x13e00000 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1]	= {
		.start	= 0x13e00000,
		.end	= 0x13ffffff,
		.flags	= IORESOURCE_MEM,
	},
	[2]	= {
		.start	= IRQ_SM501_CV,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device sm501_device = {
	.name		= "sm501",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(sm501_resources),
	.resource	= sm501_resources,
};

#endif /* CONFIG_MFD_SM501 */

static struct platform_device *rts7751r2d_devices[] __initdata = {
#ifdef CONFIG_MFD_SM501
	&uart_device,
	&sm501_device,
#endif
	&cf_ide_device,
	&heartbeat_device,
};

static int __init rts7751r2d_devices_setup(void)
{
	return platform_add_devices(rts7751r2d_devices,
				    ARRAY_SIZE(rts7751r2d_devices));
}
__initcall(rts7751r2d_devices_setup);

static void rts7751r2d_power_off(void)
{
	ctrl_outw(0x0001, PA_POWOFF);
}

static inline unsigned char is_ide_ioaddr(unsigned long addr)
{
	return ((cf_ide_resources[0].start <= addr &&
		 addr <= cf_ide_resources[0].end) ||
		(cf_ide_resources[1].start <= addr &&
		 addr <= cf_ide_resources[1].end));
}

void rts7751r2d_writeb(u8 b, void __iomem *addr)
{
	unsigned long tmp = (unsigned long __force)addr;

	if (is_ide_ioaddr(tmp))
		ctrl_outw((u16)b, tmp);
	else
		ctrl_outb(b, tmp);
}

u8 rts7751r2d_readb(void __iomem *addr)
{
	unsigned long tmp = (unsigned long __force)addr;

	if (is_ide_ioaddr(tmp))
		return ctrl_inw(tmp) & 0xff;
	else
		return ctrl_inb(tmp);
}

/*
 * Initialize the board
 */
static void __init rts7751r2d_setup(char **cmdline_p)
{
	u16 ver = ctrl_inw(PA_VERREG);

	printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");

	printk(KERN_INFO "FPGA version:%d (revision:%d)\n",
					(ver >> 4) & 0xf, ver & 0xf);

	ctrl_outw(0x0000, PA_OUTPORT);
	pm_power_off = rts7751r2d_power_off;

	voyagergx_serial_init();
}

/*
 * The Machine Vector
 */
static struct sh_machine_vector mv_rts7751r2d __initmv = {
	.mv_name		= "RTS7751R2D",
	.mv_setup		= rts7751r2d_setup,
	.mv_init_irq		= init_rts7751r2d_IRQ,
	.mv_irq_demux		= rts7751r2d_irq_demux,
	.mv_writeb		= rts7751r2d_writeb,
	.mv_readb		= rts7751r2d_readb,
#if defined(CONFIG_MFD_SM501) && defined(CONFIG_USB_OHCI_HCD)
	.mv_consistent_alloc	= voyagergx_consistent_alloc,
	.mv_consistent_free	= voyagergx_consistent_free,
#endif
};