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
|
/*
* linux/arch/arm/mach-mps/board_mps.c
*
* Copyright (C) 2009 ARM Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/amba/bus.h>
#include <mach/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/nvic.h>
#include <asm/hardware/icst307.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/mmc.h>
#include <asm/mach/time.h>
#include <mach/platform.h>
#include <mach/irqs.h>
#include "core.h"
#include "clock.h"
#if PAGE_OFFSET != PHYS_OFFSET
#error "PAGE_OFFSET != PHYS_OFFSET"
#endif
static void __init mps_map_io(void)
{
}
/*
* MPS AMBA devices
*/
#define GPIO2_IRQ { IRQ_MPS_GPIO2, NO_IRQ }
#define GPIO3_IRQ { IRQ_MPS_GPIO3, NO_IRQ }
#define AACI_IRQ { IRQ_MPS_AACI, NO_IRQ }
#define MMCI_IRQ { IRQ_MPS_MMCIA, IRQ_MPS_MMCIB }
#define SMC_IRQ { NO_IRQ, NO_IRQ }
#define MPMC_IRQ { NO_IRQ, NO_IRQ }
#define CLCD_IRQ { IRQ_MPS_CLCD, NO_IRQ }
#define SCTL_IRQ { NO_IRQ, NO_IRQ }
#define WATCHDOG_IRQ { IRQ_MPS_WDOG, NO_IRQ }
#define GPIO0_IRQ { IRQ_MPS_GPIO0, NO_IRQ }
#define GPIO1_IRQ { IRQ_MPS_GPIO1, NO_IRQ }
#define RTC_IRQ { IRQ_MPS_RTC, NO_IRQ }
#define UART0_IRQ { IRQ_MPS_UART0, NO_IRQ }
#define UART1_IRQ { IRQ_MPS_UART1, NO_IRQ }
#define UART2_IRQ { IRQ_MPS_UART2, NO_IRQ }
#define UART3_IRQ { IRQ_MPS_UART3, NO_IRQ }
#define SPI_IRQ { IRQ_MPS_SPI, NO_IRQ }
/* FPGA Primecells */
AMBA_DEVICE(aaci, "fpga:04", AACI, NULL);
AMBA_DEVICE(mmc0, "fpga:05", MMCI, &mps_mmc0_plat_data);
AMBA_DEVICE(uart3, "fpga:09", UART3, NULL);
/* DevChip Primecells */
AMBA_DEVICE(smc, "dev:00", SMC, NULL);
AMBA_DEVICE(clcd, "dev:20", CLCD, &clcd_plat_data);
AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL);
AMBA_DEVICE(wdog, "dev:e1", WATCHDOG, NULL);
AMBA_DEVICE(rtc, "dev:e8", RTC, NULL);
AMBA_DEVICE(uart0, "dev:f1", UART0, NULL);
AMBA_DEVICE(uart1, "dev:f2", UART1, NULL);
AMBA_DEVICE(uart2, "dev:f3", UART2, NULL);
AMBA_DEVICE(spi, "dev:f4", SPI, NULL);
static struct amba_device *amba_devs[] __initdata = {
&mmc0_device,
&uart0_device,
&uart1_device,
&uart2_device,
&uart3_device,
&smc_device,
&clcd_device,
&sctl_device,
&wdog_device,
&rtc_device,
&spi_device,
&aaci_device,
};
/*
* MPS platform devices
*/
static struct resource mps_flash_resource = {
.start = MPS_FLASH_BASE,
.end = MPS_FLASH_BASE + MPS_FLASH_SIZE - 1,
.flags = IORESOURCE_MEM,
};
static struct resource mps_eth_resources[] = {
[0] = {
.start = MPS_ETH_BASE,
.end = MPS_ETH_BASE + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_MPS_ETH,
.end = IRQ_MPS_ETH,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device mps_eth_device = {
.name = "smsc911x",
.id = 0,
.num_resources = ARRAY_SIZE(mps_eth_resources),
.resource = mps_eth_resources,
};
static void __init gic_init_irq(void)
{
nvic_init();
}
static void __init timer_init(void)
{
unsigned int timer_irq;
timer0_va_base = __io_address(MPS_TIMER0_1_BASE);
timer1_va_base = __io_address(MPS_TIMER0_1_BASE) + 0x20;
timer2_va_base = __io_address(MPS_TIMER2_3_BASE);
timer3_va_base = __io_address(MPS_TIMER2_3_BASE) + 0x20;
timer_irq = IRQ_MPS_TIMER0_1;
mps_timer_init(timer_irq);
}
static struct sys_timer mps_timer = {
.init = timer_init,
};
static void __init mps_init(void)
{
int i;
clk_register(&mps_clcd_clk);
mps_flash_register(&mps_flash_resource, 1);
platform_device_register(&mps_i2c_device);
platform_device_register(&mps_eth_device);
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
struct amba_device *d = amba_devs[i];
amba_device_register(d, &iomem_resource);
}
#ifdef CONFIG_LEDS
leds_event = mps_leds_event;
#endif
}
MACHINE_START(MPS, "ARM MPS")
.phys_io = MPS_UART0_BASE,
.io_pg_offst = (IO_ADDRESS(MPS_UART0_BASE) >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
.map_io = mps_map_io,
.init_irq = gic_init_irq,
.timer = &mps_timer,
.init_machine = mps_init,
MACHINE_END
|
