summaryrefslogtreecommitdiffstats
path: root/arch/sh/boards/renesas/rts7751r2d/setup.c
blob: d97be1202245059f3b3d82465e88f83814b06cc5 (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
/*
 * Renesas Technology Sales RTS7751R2D Support.
 *
 * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
 * Copyright (C) 2004 - 2006 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/serial_8250.h>
#include <linux/pm.h>
#include <asm/machvec.h>
#include <asm/mach/rts7751r2d.h>
#include <asm/io.h>
#include <asm/voyagergx.h>

extern void heartbeat_rts7751r2d(void);
extern void init_rts7751r2d_IRQ(void);
extern int rts7751r2d_irq_demux(int irq);

extern void *voyagergx_consistent_alloc(struct device *, size_t, dma_addr_t *, gfp_t);
extern int voyagergx_consistent_free(struct device *, size_t, void *, dma_addr_t);

static struct plat_serial8250_port uart_platform_data[] = {
	{
		.membase	= (void *)VOYAGER_UART_BASE,
		.mapbase	= VOYAGER_UART_BASE,
		.iotype		= UPIO_MEM,
		.irq		= VOYAGER_UART0_IRQ,
		.flags		= UPF_BOOT_AUTOCONF,
		.regshift	= 2,
		.uartclk	= (9600 * 16),
	}, {
		.flags		= 0,
	},
};

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

	/*
	 * GPIO Control
	 */
	val = inl(GPIO_MUX_HIGH);
	val |= 0x00001fe0;
	outl(val, GPIO_MUX_HIGH);

	/*
	 * Power Mode Gate
	 */
	val = inl(POWER_MODE0_GATE);
	val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
	outl(val, POWER_MODE0_GATE);

	val = inl(POWER_MODE1_GATE);
	val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
	outl(val, POWER_MODE1_GATE);
}

static struct platform_device uart_device = {
	.name		= "serial8250",
	.id		= -1,
	.dev		= {
		.platform_data	= uart_platform_data,
	},
};

static struct resource heartbeat_resources[] = {
	[0] = {
		.start	= PA_OUTPORT,
		.end	= PA_OUTPORT + 8 - 1,
		.flags	= IORESOURCE_MEM,
	},
};

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

static struct platform_device *rts7751r2d_devices[] __initdata = {
	&uart_device,
	&heartbeat_device,
};

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

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

/*
 * Initialize the board
 */
static void __init rts7751r2d_setup(char **cmdline_p)
{
	device_initcall(rts7751r2d_devices_setup);

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

	voyagergx_serial_init();

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

/*
 * The Machine Vector
 */
struct sh_machine_vector mv_rts7751r2d __initmv = {
	.mv_name		= "RTS7751R2D",
	.mv_setup		= rts7751r2d_setup,
	.mv_nr_irqs		= 72,

	.mv_inb			= rts7751r2d_inb,
	.mv_inw			= rts7751r2d_inw,
	.mv_inl			= rts7751r2d_inl,
	.mv_outb		= rts7751r2d_outb,
	.mv_outw		= rts7751r2d_outw,
	.mv_outl		= rts7751r2d_outl,

	.mv_inb_p		= rts7751r2d_inb_p,
	.mv_inw_p		= rts7751r2d_inw,
	.mv_inl_p		= rts7751r2d_inl,
	.mv_outb_p		= rts7751r2d_outb_p,
	.mv_outw_p		= rts7751r2d_outw,
	.mv_outl_p		= rts7751r2d_outl,

	.mv_insb		= rts7751r2d_insb,
	.mv_insw		= rts7751r2d_insw,
	.mv_insl		= rts7751r2d_insl,
	.mv_outsb		= rts7751r2d_outsb,
	.mv_outsw		= rts7751r2d_outsw,
	.mv_outsl		= rts7751r2d_outsl,

	.mv_init_irq		= init_rts7751r2d_IRQ,
	.mv_irq_demux		= rts7751r2d_irq_demux,

#ifdef CONFIG_USB_SM501
	.mv_consistent_alloc	= voyagergx_consistent_alloc,
	.mv_consistent_free	= voyagergx_consistent_free,
#endif
};
ALIAS_MV(rts7751r2d)