[ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead
[linux-3.10.git] / arch / arm / mach-shark / core.c
1 /*
2  *  linux/arch/arm/mach-shark/arch.c
3  *
4  *  Architecture specific stuff.
5  */
6 #include <linux/kernel.h>
7 #include <linux/init.h>
8 #include <linux/interrupt.h>
9 #include <linux/irq.h>
10 #include <linux/sched.h>
11 #include <linux/serial_8250.h>
12
13 #include <asm/setup.h>
14 #include <asm/mach-types.h>
15 #include <asm/io.h>
16 #include <asm/leds.h>
17 #include <asm/param.h>
18
19 #include <asm/mach/map.h>
20 #include <asm/mach/arch.h>
21 #include <asm/mach/time.h>
22
23 static struct plat_serial8250_port serial_platform_data[] = {
24         {
25                 .iobase         = 0x3f8,
26                 .irq            = 4,
27                 .uartclk        = 1843200,
28                 .regshift       = 0,
29                 .iotype         = UPIO_PORT,
30                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
31         },
32         {
33                 .iobase         = 0x2f8,
34                 .irq            = 3,
35                 .uartclk        = 1843200,
36                 .regshift       = 0,
37                 .iotype         = UPIO_PORT,
38                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
39         },
40         { },
41 };
42
43 static struct platform_device serial_device = {
44         .name                   = "serial8250",
45         .id                     = PLAT8250_DEV_PLATFORM,
46         .dev                    = {
47                 .platform_data  = serial_platform_data,
48         },
49 };
50
51 static int __init shark_init(void)
52 {
53         int ret;
54
55         if (machine_is_shark())
56                 ret = platform_device_register(&serial_device);
57
58         return ret;
59 }
60
61 arch_initcall(shark_init);
62
63 extern void shark_init_irq(void);
64
65 static struct map_desc shark_io_desc[] __initdata = {
66         {
67                 .virtual        = IO_BASE,
68                 .pfn            = __phys_to_pfn(IO_START),
69                 .length         = IO_SIZE,
70                 .type           = MT_DEVICE
71         }
72 };
73
74 static void __init shark_map_io(void)
75 {
76         iotable_init(shark_io_desc, ARRAY_SIZE(shark_io_desc));
77 }
78
79 #define IRQ_TIMER 0
80 #define HZ_TIME ((1193180 + HZ/2) / HZ)
81
82 static irqreturn_t
83 shark_timer_interrupt(int irq, void *dev_id)
84 {
85         timer_tick();
86         return IRQ_HANDLED;
87 }
88
89 static struct irqaction shark_timer_irq = {
90         .name           = "Shark Timer Tick",
91         .flags          = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
92         .handler        = shark_timer_interrupt,
93 };
94
95 /*
96  * Set up timer interrupt, and return the current time in seconds.
97  */
98 static void __init shark_timer_init(void)
99 {
100         outb(0x34, 0x43);               /* binary, mode 0, LSB/MSB, Ch 0 */
101         outb(HZ_TIME & 0xff, 0x40);     /* LSB of count */
102         outb(HZ_TIME >> 8, 0x40);
103
104         setup_irq(IRQ_TIMER, &shark_timer_irq);
105 }
106
107 static struct sys_timer shark_timer = {
108         .init           = shark_timer_init,
109 };
110
111 MACHINE_START(SHARK, "Shark")
112         /* Maintainer: Alexander Schulz */
113         .phys_io        = 0x40000000,
114         .io_pg_offst    = ((0xe0000000) >> 18) & 0xfffc,
115         .boot_params    = 0x08003000,
116         .map_io         = shark_map_io,
117         .init_irq       = shark_init_irq,
118         .timer          = &shark_timer,
119 MACHINE_END