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
249
|
/*
* linux/arch/arm/mach-pxa/pcm027.c
* Support for the Phytec phyCORE-PXA270 CPU card (aka PCM-027).
*
* Refer
* http://www.phytec.com/products/sbc/ARM-XScale/phyCORE-XScale-PXA270.html
* for additional hardware info
*
* Author: Juergen Kilb
* Created: April 05, 2005
* Copyright: Phytec Messtechnik GmbH
* e-Mail: armlinux@phytec.de
*
* based on Intel Mainstone Board
*
* Copyright 2007 Juergen Beisert @ Pengutronix (j.beisert@pengutronix.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/spi.h>
#include <linux/spi/max7301.h>
#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/arch/hardware.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
#include <asm/arch/pxa2xx-regs.h>
#include <asm/arch/pxa2xx_spi.h>
#include <asm/arch/pcm027.h>
#include "generic.h"
/*
* ABSTRACT:
*
* The PXA270 processor comes with a bunch of hardware on its silicon.
* Not all of this hardware can be used at the same time and not all
* is routed to module's connectors. Also it depends on the baseboard, what
* kind of hardware can be used in which way.
* -> So this file supports the main devices on the CPU card only!
* Refer pcm990-baseboard.c how to extend this features to get a full
* blown system with many common interfaces.
*
* The PCM-027 supports the following interfaces through its connectors and
* will be used in pcm990-baseboard.c:
*
* - LCD support
* - MMC support
* - IDE/CF card
* - FFUART
* - BTUART
* - IRUART
* - AC97
* - SSP
* - SSP3
*
* Claimed GPIOs:
* GPIO0 -> IRQ input from RTC
* GPIO2 -> SYS_ENA*)
* GPIO3 -> PWR_SCL
* GPIO4 -> PWR_SDA
* GPIO5 -> PowerCap0*)
* GPIO6 -> PowerCap1*)
* GPIO7 -> PowerCap2*)
* GPIO8 -> PowerCap3*)
* GPIO15 -> /CS1
* GPIO20 -> /CS2
* GPIO21 -> /CS3
* GPIO33 -> /CS5 network controller select
* GPIO52 -> IRQ from network controller
* GPIO78 -> /CS2
* GPIO80 -> /CS4
* GPIO90 -> LED0
* GPIO91 -> LED1
* GPIO114 -> IRQ from CAN controller
* GPIO117 -> SCL
* GPIO118 -> SDA
*
* *) CPU internal use only
*/
/*
* SMC91x network controller specific stuff
*/
static struct resource smc91x_resources[] = {
[0] = {
.start = PCM027_ETH_PHYS + 0x300,
.end = PCM027_ETH_PHYS + PCM027_ETH_SIZE,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = PCM027_ETH_IRQ,
.end = PCM027_ETH_IRQ,
/* note: smc91x's driver doesn't use the trigger bits yet */
.flags = IORESOURCE_IRQ | PCM027_ETH_IRQ_EDGE,
}
};
static struct platform_device smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(smc91x_resources),
.resource = smc91x_resources,
};
/*
* SPI host and devices
*/
static struct pxa2xx_spi_master pxa_ssp_master_info = {
.num_chipselect = 1,
};
static struct max7301_platform_data max7301_info = {
.base = -1,
};
/* bus_num must match id in pxa2xx_set_spi_info() call */
static struct spi_board_info spi_board_info[] __initdata = {
{
.modalias = "max7301",
.platform_data = &max7301_info,
.max_speed_hz = 13000000,
.bus_num = 1,
.chip_select = 0,
.mode = SPI_MODE_0,
},
};
/*
* NOR flash
*/
static struct physmap_flash_data pcm027_flash_data = {
.width = 4,
};
static struct resource pcm027_flash_resource = {
.start = PCM027_FLASH_PHYS,
.end = PCM027_FLASH_PHYS + PCM027_FLASH_SIZE - 1 ,
.flags = IORESOURCE_MEM,
};
static struct platform_device pcm027_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &pcm027_flash_data,
},
.resource = &pcm027_flash_resource,
.num_resources = 1,
};
#ifdef CONFIG_LEDS_GPIO
static struct gpio_led pcm027_led[] = {
{
.name = "led0:red", /* FIXME */
.gpio = PCM027_LED_CPU
},
{
.name = "led1:green", /* FIXME */
.gpio = PCM027_LED_HEARD_BEAT
},
};
static struct gpio_led_platform_data pcm027_led_data = {
.num_leds = ARRAY_SIZE(pcm027_led),
.leds = pcm027_led
};
static struct platform_device pcm027_led_dev = {
.name = "leds-gpio",
.id = 0,
.dev = {
.platform_data = &pcm027_led_data,
},
};
#endif /* CONFIG_LEDS_GPIO */
/*
* declare the available device resources on this board
*/
static struct platform_device *devices[] __initdata = {
&smc91x_device,
&pcm027_flash,
#ifdef CONFIG_LEDS_GPIO
&pcm027_led_dev
#endif
};
/*
* pcm027_init - breath some life into the board
*/
static void __init pcm027_init(void)
{
/* system bus arbiter setting
* - Core_Park
* - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
*/
ARB_CNTRL = ARB_CORE_PARK | 0x234;
platform_add_devices(devices, ARRAY_SIZE(devices));
/* LEDs (on demand only) */
#ifdef CONFIG_LEDS_GPIO
pxa_gpio_mode(PCM027_LED_CPU | GPIO_OUT);
pxa_gpio_mode(PCM027_LED_HEARD_BEAT | GPIO_OUT);
#endif /* CONFIG_LEDS_GPIO */
/* at last call the baseboard to initialize itself */
#ifdef CONFIG_MACH_PCM990_BASEBOARD
pcm990_baseboard_init();
#endif
pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
}
static void __init pcm027_map_io(void)
{
pxa_map_io();
/* initialize sleep mode regs (wake-up sources, etc) */
PGSR0 = 0x01308000;
PGSR1 = 0x00CF0002;
PGSR2 = 0x0E294000;
PGSR3 = 0x0000C000;
PWER = 0x40000000 | PWER_GPIO0 | PWER_GPIO1;
PRER = 0x00000000;
PFER = 0x00000003;
}
MACHINE_START(PCM027, "Phytec Messtechnik GmbH phyCORE-PXA270")
/* Maintainer: Pengutronix */
.boot_params = 0xa0000100,
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.map_io = pcm027_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = pcm027_init,
MACHINE_END
|
