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
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* BRIEF MODULE DESCRIPTION
* MyCable XXS1500 board support
*
* Copyright 2003, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/setup.h>
#include <asm/mach-au1x00/au1000.h>
#include <prom.h>
const char *get_system_type(void)
{
return "XXS1500";
}
void prom_putchar(char c)
{
alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);
}
static void xxs1500_reset(char *c)
{
/* Jump to the reset vector */
__asm__ __volatile__("jr\t%0" : : "r"(0xbfc00000));
}
static void xxs1500_power_off(void)
{
while (1)
asm volatile (
" .set mips32 \n"
" wait \n"
" .set mips0 \n");
}
void __init board_setup(void)
{
u32 pin_func;
pm_power_off = xxs1500_power_off;
_machine_halt = xxs1500_power_off;
_machine_restart = xxs1500_reset;
alchemy_gpio1_input_enable();
alchemy_gpio2_enable();
/* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */
pin_func = alchemy_rdsys(AU1000_SYS_PINFUNC) & ~SYS_PF_UR3;
pin_func |= SYS_PF_UR3;
alchemy_wrsys(pin_func, AU1000_SYS_PINFUNC);
/* Enable UART */
alchemy_uart_enable(AU1000_UART3_PHYS_ADDR);
/* Enable DTR (MCR bit 0) = USB power up */
__raw_writel(1, (void __iomem *)KSEG1ADDR(AU1000_UART3_PHYS_ADDR + 0x18));
wmb();
}
/******************************************************************************/
static struct resource xxs1500_pcmcia_res[] = {
{
.name = "pcmcia-io",
.flags = IORESOURCE_MEM,
.start = AU1000_PCMCIA_IO_PHYS_ADDR,
.end = AU1000_PCMCIA_IO_PHYS_ADDR + 0x000400000 - 1,
},
{
.name = "pcmcia-attr",
.flags = IORESOURCE_MEM,
.start = AU1000_PCMCIA_ATTR_PHYS_ADDR,
.end = AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
},
{
.name = "pcmcia-mem",
.flags = IORESOURCE_MEM,
.start = AU1000_PCMCIA_MEM_PHYS_ADDR,
.end = AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
},
};
static struct platform_device xxs1500_pcmcia_dev = {
.name = "xxs1500_pcmcia",
.id = -1,
.num_resources = ARRAY_SIZE(xxs1500_pcmcia_res),
.resource = xxs1500_pcmcia_res,
};
static struct platform_device *xxs1500_devs[] __initdata = {
&xxs1500_pcmcia_dev,
};
static int __init xxs1500_dev_init(void)
{
irq_set_irq_type(AU1500_GPIO204_INT, IRQ_TYPE_LEVEL_HIGH);
irq_set_irq_type(AU1500_GPIO201_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO202_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO203_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO205_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO207_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO0_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO1_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO2_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO3_INT, IRQ_TYPE_LEVEL_LOW);
irq_set_irq_type(AU1500_GPIO4_INT, IRQ_TYPE_LEVEL_LOW); /* CF irq */
irq_set_irq_type(AU1500_GPIO5_INT, IRQ_TYPE_LEVEL_LOW);
return platform_add_devices(xxs1500_devs,
ARRAY_SIZE(xxs1500_devs));
}
device_initcall(xxs1500_dev_init);
|
