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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
/*
* arch/arm/mach-ixp4xx/vulcan-setup.c
*
* Arcom/Eurotech Vulcan board-setup
*
* Copyright (C) 2010 Marc Zyngier <maz@misterjones.org>
*
* based on fsg-setup.c:
* Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
*/
#include <linux/if_ether.h>
#include <linux/irq.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/io.h>
#include <linux/w1-gpio.h>
#include <linux/mtd/plat-ram.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
static struct flash_platform_data vulcan_flash_data = {
.map_name = "cfi_probe",
.width = 2,
};
static struct resource vulcan_flash_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device vulcan_flash = {
.name = "IXP4XX-Flash",
.id = 0,
.dev = {
.platform_data = &vulcan_flash_data,
},
.resource = &vulcan_flash_resource,
.num_resources = 1,
};
static struct platdata_mtd_ram vulcan_sram_data = {
.mapname = "Vulcan SRAM",
.bankwidth = 1,
};
static struct resource vulcan_sram_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device vulcan_sram = {
.name = "mtd-ram",
.id = 0,
.dev = {
.platform_data = &vulcan_sram_data,
},
.resource = &vulcan_sram_resource,
.num_resources = 1,
};
static struct resource vulcan_uart_resources[] = {
[0] = {
.start = IXP4XX_UART1_BASE_PHYS,
.end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IXP4XX_UART2_BASE_PHYS,
.end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
.flags = IORESOURCE_MEM,
},
[2] = {
.flags = IORESOURCE_MEM,
},
};
static struct plat_serial8250_port vulcan_uart_data[] = {
[0] = {
.mapbase = IXP4XX_UART1_BASE_PHYS,
.membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
.irq = IRQ_IXP4XX_UART1,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = IXP4XX_UART_XTAL,
},
[1] = {
.mapbase = IXP4XX_UART2_BASE_PHYS,
.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
.irq = IRQ_IXP4XX_UART2,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = IXP4XX_UART_XTAL,
},
[2] = {
.irq = IXP4XX_GPIO_IRQ(4),
.irqflags = IRQF_TRIGGER_LOW,
.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
.uartclk = 1843200,
},
[3] = {
.irq = IXP4XX_GPIO_IRQ(4),
.irqflags = IRQF_TRIGGER_LOW,
.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
.uartclk = 1843200,
},
{ }
};
static struct platform_device vulcan_uart = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = vulcan_uart_data,
},
.resource = vulcan_uart_resources,
.num_resources = ARRAY_SIZE(vulcan_uart_resources),
};
static struct eth_plat_info vulcan_plat_eth[] = {
[0] = {
.phy = 0,
.rxq = 3,
.txreadyq = 20,
},
[1] = {
.phy = 1,
.rxq = 4,
.txreadyq = 21,
},
};
static struct platform_device vulcan_eth[] = {
[0] = {
.name = "ixp4xx_eth",
.id = IXP4XX_ETH_NPEB,
.dev = {
.platform_data = &vulcan_plat_eth[0],
},
},
[1] = {
.name = "ixp4xx_eth",
.id = IXP4XX_ETH_NPEC,
.dev = {
.platform_data = &vulcan_plat_eth[1],
},
},
};
static struct resource vulcan_max6369_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device vulcan_max6369 = {
.name = "max6369_wdt",
.id = -1,
.resource = &vulcan_max6369_resource,
.num_resources = 1,
};
static struct w1_gpio_platform_data vulcan_w1_gpio_pdata = {
.pin = 14,
};
static struct platform_device vulcan_w1_gpio = {
.name = "w1-gpio",
.id = 0,
.dev = {
.platform_data = &vulcan_w1_gpio_pdata,
},
};
static struct platform_device *vulcan_devices[] __initdata = {
&vulcan_uart,
&vulcan_flash,
&vulcan_sram,
&vulcan_max6369,
&vulcan_eth[0],
&vulcan_eth[1],
&vulcan_w1_gpio,
};
static void __init vulcan_init(void)
{
ixp4xx_sys_init();
/* Flash is spread over both CS0 and CS1 */
vulcan_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
vulcan_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
*IXP4XX_EXP_CS0 = IXP4XX_EXP_BUS_CS_EN |
IXP4XX_EXP_BUS_STROBE_T(3) |
IXP4XX_EXP_BUS_SIZE(0xF) |
IXP4XX_EXP_BUS_BYTE_RD16 |
IXP4XX_EXP_BUS_WR_EN;
*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
/* SRAM on CS2, (256kB, 8bit, writable) */
vulcan_sram_resource.start = IXP4XX_EXP_BUS_BASE(2);
vulcan_sram_resource.end = IXP4XX_EXP_BUS_BASE(2) + SZ_256K - 1;
*IXP4XX_EXP_CS2 = IXP4XX_EXP_BUS_CS_EN |
IXP4XX_EXP_BUS_STROBE_T(1) |
IXP4XX_EXP_BUS_HOLD_T(2) |
IXP4XX_EXP_BUS_SIZE(9) |
IXP4XX_EXP_BUS_SPLT_EN |
IXP4XX_EXP_BUS_WR_EN |
IXP4XX_EXP_BUS_BYTE_EN;
/* XR16L2551 on CS3 (Moto style, 512 bytes, 8bits, writable) */
vulcan_uart_resources[2].start = IXP4XX_EXP_BUS_BASE(3);
vulcan_uart_resources[2].end = IXP4XX_EXP_BUS_BASE(3) + 16 - 1;
vulcan_uart_data[2].mapbase = vulcan_uart_resources[2].start;
vulcan_uart_data[3].mapbase = vulcan_uart_data[2].mapbase + 8;
*IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN |
IXP4XX_EXP_BUS_STROBE_T(3) |
IXP4XX_EXP_BUS_CYCLES(IXP4XX_EXP_BUS_CYCLES_MOTOROLA)|
IXP4XX_EXP_BUS_WR_EN |
IXP4XX_EXP_BUS_BYTE_EN;
/* GPIOS on CS4 (512 bytes, 8bits, writable) */
*IXP4XX_EXP_CS4 = IXP4XX_EXP_BUS_CS_EN |
IXP4XX_EXP_BUS_WR_EN |
IXP4XX_EXP_BUS_BYTE_EN;
/* max6369 on CS5 (512 bytes, 8bits, writable) */
vulcan_max6369_resource.start = IXP4XX_EXP_BUS_BASE(5);
vulcan_max6369_resource.end = IXP4XX_EXP_BUS_BASE(5);
*IXP4XX_EXP_CS5 = IXP4XX_EXP_BUS_CS_EN |
IXP4XX_EXP_BUS_WR_EN |
IXP4XX_EXP_BUS_BYTE_EN;
platform_add_devices(vulcan_devices, ARRAY_SIZE(vulcan_devices));
}
MACHINE_START(ARCOM_VULCAN, "Arcom/Eurotech Vulcan")
/* Maintainer: Marc Zyngier <maz@misterjones.org> */
.map_io = ixp4xx_map_io,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,
.init_machine = vulcan_init,
#if defined(CONFIG_PCI)
.dma_zone_size = SZ_64M,
#endif
.restart = ixp4xx_restart,
MACHINE_END
|
