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
|
/*
* arch/sh/boards/renesas/r7780rp/setup.c
*
* Renesas Solutions Highlander Support.
*
* Copyright (C) 2002 Atom Create Engineering Co., Ltd.
* Copyright (C) 2005 - 2007 Paul Mundt
*
* This contains support for the R7780RP-1, R7780MP, and R7785RP
* Highlander modules.
*
* 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 <asm/machvec.h>
#include <asm/r7780rp.h>
#include <asm/clock.h>
#include <asm/io.h>
static struct resource cf_ide_resources[] = {
[0] = {
.start = PA_AREA5_IO + 0x1000,
.end = PA_AREA5_IO + 0x1000 + 0x08 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = PA_AREA5_IO + 0x80c,
.end = PA_AREA5_IO + 0x80c + 0x16 - 1,
.flags = IORESOURCE_MEM,
},
[2] = {
#ifdef CONFIG_SH_R7780RP
.start = 4,
#else
.start = 1,
#endif
.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 unsigned char heartbeat_bit_pos[] = { 2, 1, 0, 3, 6, 5, 4, 7 };
static struct resource heartbeat_resources[] = {
[0] = {
.start = PA_OBLED,
.end = PA_OBLED + ARRAY_SIZE(heartbeat_bit_pos) - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device heartbeat_device = {
.name = "heartbeat",
.id = -1,
/* R7785RP has a slightly more sensible FPGA.. */
#ifndef CONFIG_SH_R7785RP
.dev = {
.platform_data = heartbeat_bit_pos,
},
#endif
.num_resources = ARRAY_SIZE(heartbeat_resources),
.resource = heartbeat_resources,
};
static struct platform_device *r7780rp_devices[] __initdata = {
&cf_ide_device,
&heartbeat_device,
};
static int __init r7780rp_devices_setup(void)
{
return platform_add_devices(r7780rp_devices,
ARRAY_SIZE(r7780rp_devices));
}
device_initcall(r7780rp_devices_setup);
/*
* Platform specific clocks
*/
static void ivdr_clk_enable(struct clk *clk)
{
ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << IVDR_CK_ON), PA_IVDRCTL);
}
static void ivdr_clk_disable(struct clk *clk)
{
ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << IVDR_CK_ON), PA_IVDRCTL);
}
static struct clk_ops ivdr_clk_ops = {
.enable = ivdr_clk_enable,
.disable = ivdr_clk_disable,
};
static struct clk ivdr_clk = {
.name = "ivdr_clk",
.ops = &ivdr_clk_ops,
};
static struct clk *r7780rp_clocks[] = {
&ivdr_clk,
};
static void r7780rp_power_off(void)
{
if (mach_is_r7780mp() || mach_is_r7785rp())
ctrl_outw(0x0001, PA_POFF);
}
/*
* Initialize the board
*/
static void __init highlander_setup(char **cmdline_p)
{
u16 ver = ctrl_inw(PA_VERREG);
int i;
printk(KERN_INFO "Renesas Solutions Highlander %s support.\n",
mach_is_r7780rp() ? "R7780RP-1" :
mach_is_r7780mp() ? "R7780MP" :
"R7785RP");
printk(KERN_INFO "Board version: %d (revision %d), "
"FPGA version: %d (revision %d)\n",
(ver >> 12) & 0xf, (ver >> 8) & 0xf,
(ver >> 4) & 0xf, ver & 0xf);
/*
* Enable the important clocks right away..
*/
for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
struct clk *clk = r7780rp_clocks[i];
clk_register(clk);
clk_enable(clk);
}
ctrl_outw(0x0000, PA_OBLED); /* Clear LED. */
if (mach_is_r7780rp())
ctrl_outw(0x0001, PA_SDPOW); /* SD Power ON */
ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x01, PA_IVDRCTL); /* Si13112 */
pm_power_off = r7780rp_power_off;
}
/*
* The Machine Vector
*/
static struct sh_machine_vector mv_highlander __initmv = {
.mv_name = "Highlander",
.mv_nr_irqs = 109,
.mv_setup = highlander_setup,
.mv_init_irq = highlander_init_irq,
};
|
