tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
[ARM] 3851/1: iop3xx: add io-data glantank support
Add support for the IO-Data GLAN Tank, from Martin Michlmayr.
Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
authored by
Lennert Buytenhek
and committed by
Russell King
0c92e830
e60d07b6
+220
-1
+1
arch/arm/configs/iop32x_defconfig
+1
arch/arm/configs/iop32x_defconfig
+7
arch/arm/mach-iop32x/Kconfig
+7
arch/arm/mach-iop32x/Kconfig
···
4
4
5
5
comment "IOP32x Platform Types"
6
6
7
+
config MACH_GLANTANK
8
+
bool "Enable support for the IO-Data GLAN Tank"
9
+
help
10
+
Say Y here if you want to run your kernel on the GLAN Tank
11
+
NAS appliance or machines from IO-Data's HDL-Gxxx, HDL-GWxxx
12
+
and HDL-GZxxx series.
13
+
7
14
config ARCH_IQ80321
8
15
bool "Enable support for IQ80321"
9
16
help
+1
arch/arm/mach-iop32x/Makefile
+1
arch/arm/mach-iop32x/Makefile
+195
arch/arm/mach-iop32x/glantank.c
+195
arch/arm/mach-iop32x/glantank.c
···
1
+
/*
2
+
* arch/arm/mach-iop32x/glantank.c
3
+
*
4
+
* Board support code for the GLAN Tank.
5
+
*
6
+
* Copyright (C) 2006 Martin Michlmayr <tbm@cyrius.com>
7
+
* Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
8
+
*
9
+
* This program is free software; you can redistribute it and/or modify it
10
+
* under the terms of the GNU General Public License as published by the
11
+
* Free Software Foundation; either version 2 of the License, or (at your
12
+
* option) any later version.
13
+
*/
14
+
15
+
#include <linux/mm.h>
16
+
#include <linux/init.h>
17
+
#include <linux/kernel.h>
18
+
#include <linux/pci.h>
19
+
#include <linux/string.h>
20
+
#include <linux/slab.h>
21
+
#include <linux/serial_core.h>
22
+
#include <linux/serial_8250.h>
23
+
#include <linux/mtd/physmap.h>
24
+
#include <linux/platform_device.h>
25
+
#include <asm/hardware.h>
26
+
#include <asm/io.h>
27
+
#include <asm/irq.h>
28
+
#include <asm/mach/arch.h>
29
+
#include <asm/mach/map.h>
30
+
#include <asm/mach/pci.h>
31
+
#include <asm/mach/time.h>
32
+
#include <asm/mach-types.h>
33
+
#include <asm/page.h>
34
+
35
+
/*
36
+
* GLAN Tank timer tick configuration.
37
+
*/
38
+
static void __init glantank_timer_init(void)
39
+
{
40
+
/* 33.333 MHz crystal. */
41
+
iop3xx_init_time(200000000);
42
+
}
43
+
44
+
static struct sys_timer glantank_timer = {
45
+
.init = glantank_timer_init,
46
+
.offset = iop3xx_gettimeoffset,
47
+
};
48
+
49
+
50
+
/*
51
+
* GLAN Tank I/O.
52
+
*/
53
+
static struct map_desc glantank_io_desc[] __initdata = {
54
+
{ /* on-board devices */
55
+
.virtual = GLANTANK_UART,
56
+
.pfn = __phys_to_pfn(GLANTANK_UART),
57
+
.length = 0x00100000,
58
+
.type = MT_DEVICE
59
+
},
60
+
};
61
+
62
+
void __init glantank_map_io(void)
63
+
{
64
+
iop3xx_map_io();
65
+
iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc));
66
+
}
67
+
68
+
69
+
/*
70
+
* GLAN Tank PCI.
71
+
*/
72
+
#define INTA IRQ_IOP32X_XINT0
73
+
#define INTB IRQ_IOP32X_XINT1
74
+
#define INTC IRQ_IOP32X_XINT2
75
+
#define INTD IRQ_IOP32X_XINT3
76
+
77
+
static inline int __init
78
+
glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
79
+
{
80
+
static int pci_irq_table[][4] = {
81
+
/*
82
+
* PCI IDSEL/INTPIN->INTLINE
83
+
* A B C D
84
+
*/
85
+
{INTD, INTD, INTD, INTD}, /* UART (8250) */
86
+
{INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */
87
+
{INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */
88
+
{INTC, INTC, INTC, INTC}, /* USB (NEC) */
89
+
};
90
+
91
+
BUG_ON(pin < 1 || pin > 4);
92
+
93
+
return pci_irq_table[slot % 4][pin - 1];
94
+
}
95
+
96
+
static struct hw_pci glantank_pci __initdata = {
97
+
.swizzle = pci_std_swizzle,
98
+
.nr_controllers = 1,
99
+
.setup = iop3xx_pci_setup,
100
+
.preinit = iop3xx_pci_preinit,
101
+
.scan = iop3xx_pci_scan_bus,
102
+
.map_irq = glantank_pci_map_irq,
103
+
};
104
+
105
+
static int __init glantank_pci_init(void)
106
+
{
107
+
if (machine_is_glantank())
108
+
pci_common_init(&glantank_pci);
109
+
110
+
return 0;
111
+
}
112
+
113
+
subsys_initcall(glantank_pci_init);
114
+
115
+
116
+
/*
117
+
* GLAN Tank machine initialization.
118
+
*/
119
+
static struct physmap_flash_data glantank_flash_data = {
120
+
.width = 1,
121
+
};
122
+
123
+
static struct resource glantank_flash_resource = {
124
+
.start = 0xf0000000,
125
+
.end = 0xf007ffff,
126
+
.flags = IORESOURCE_MEM,
127
+
};
128
+
129
+
static struct platform_device glantank_flash_device = {
130
+
.name = "physmap-flash",
131
+
.id = 0,
132
+
.dev = {
133
+
.platform_data = &glantank_flash_data,
134
+
},
135
+
.num_resources = 1,
136
+
.resource = &glantank_flash_resource,
137
+
};
138
+
139
+
static struct plat_serial8250_port glantank_serial_port[] = {
140
+
{
141
+
.mapbase = GLANTANK_UART,
142
+
.membase = (char *)GLANTANK_UART,
143
+
.irq = IRQ_IOP32X_XINT3,
144
+
.flags = UPF_SKIP_TEST,
145
+
.iotype = UPIO_MEM,
146
+
.regshift = 0,
147
+
.uartclk = 1843200,
148
+
},
149
+
{ },
150
+
};
151
+
152
+
static struct resource glantank_uart_resource = {
153
+
.start = GLANTANK_UART,
154
+
.end = GLANTANK_UART + 7,
155
+
.flags = IORESOURCE_MEM,
156
+
};
157
+
158
+
static struct platform_device glantank_serial_device = {
159
+
.name = "serial8250",
160
+
.id = PLAT8250_DEV_PLATFORM,
161
+
.dev = {
162
+
.platform_data = glantank_serial_port,
163
+
},
164
+
.num_resources = 1,
165
+
.resource = &glantank_uart_resource,
166
+
};
167
+
168
+
static void glantank_power_off(void)
169
+
{
170
+
__raw_writeb(0x01, 0xfe8d0004);
171
+
172
+
while (1)
173
+
;
174
+
}
175
+
176
+
static void __init glantank_init_machine(void)
177
+
{
178
+
platform_device_register(&iop3xx_i2c0_device);
179
+
platform_device_register(&iop3xx_i2c1_device);
180
+
platform_device_register(&glantank_flash_device);
181
+
platform_device_register(&glantank_serial_device);
182
+
183
+
pm_power_off = glantank_power_off;
184
+
}
185
+
186
+
MACHINE_START(GLANTANK, "GLAN Tank")
187
+
/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
188
+
.phys_io = GLANTANK_UART,
189
+
.io_pg_offst = ((GLANTANK_UART) >> 18) & 0xfffc,
190
+
.boot_params = 0xa0000100,
191
+
.map_io = glantank_map_io,
192
+
.init_irq = iop32x_init_irq,
193
+
.timer = &glantank_timer,
194
+
.init_machine = glantank_init_machine,
195
+
MACHINE_END
+2
-1
arch/arm/mach-iop32x/irq.c
+2
-1
arch/arm/mach-iop32x/irq.c
+13
include/asm-arm/arch-iop32x/glantank.h
+13
include/asm-arm/arch-iop32x/glantank.h