diff options
Diffstat (limited to 'arch/arm/mach-pxa/mp900.c')
-rw-r--r-- | arch/arm/mach-pxa/mp900.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/mp900.c b/arch/arm/mach-pxa/mp900.c new file mode 100644 index 000000000000..8a73814126b1 --- /dev/null +++ b/arch/arm/mach-pxa/mp900.c | |||
@@ -0,0 +1,100 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-pxa/mp900.c | ||
3 | * | ||
4 | * Support for the NEC MobilePro900/C platform | ||
5 | * | ||
6 | * Based on mach-pxa/gumstix.c | ||
7 | * | ||
8 | * 2007, 2008 Kristoffer Ericson <kristoffer.ericson@gmail.com> | ||
9 | * 2007, 2008 Michael Petchkovsky <mkpetch@internode.on.net> | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License version 2 as | ||
13 | * published by the Free Software Foundation. | ||
14 | */ | ||
15 | |||
16 | #include <linux/init.h> | ||
17 | #include <linux/device.h> | ||
18 | #include <linux/platform_device.h> | ||
19 | #include <linux/types.h> | ||
20 | #include <linux/usb/isp116x.h> | ||
21 | |||
22 | #include <mach/hardware.h> | ||
23 | #include <mach/pxa-regs.h> | ||
24 | #include <asm/mach-types.h> | ||
25 | #include <asm/mach/arch.h> | ||
26 | #include "generic.h" | ||
27 | |||
28 | static void isp116x_pfm_delay(struct device *dev, int delay) | ||
29 | { | ||
30 | |||
31 | /* 400Mhz PXA2 = 2.5ns / instruction */ | ||
32 | |||
33 | int cyc = delay / 10; | ||
34 | |||
35 | /* 4 Instructions = 4 x 2.5ns = 10ns */ | ||
36 | __asm__ volatile ("0:\n" | ||
37 | "subs %0, %1, #1\n" | ||
38 | "bge 0b\n" | ||
39 | :"=r" (cyc) | ||
40 | :"0"(cyc) | ||
41 | ); | ||
42 | } | ||
43 | |||
44 | static struct isp116x_platform_data isp116x_pfm_data = { | ||
45 | .remote_wakeup_enable = 1, | ||
46 | .delay = isp116x_pfm_delay, | ||
47 | }; | ||
48 | |||
49 | static struct resource isp116x_pfm_resources[] = { | ||
50 | [0] = { | ||
51 | .start = 0x0d000000, | ||
52 | .end = 0x0d000000 + 1, | ||
53 | .flags = IORESOURCE_MEM, | ||
54 | }, | ||
55 | [1] = { | ||
56 | .start = 0x0d000000 + 4, | ||
57 | .end = 0x0d000000 + 5, | ||
58 | .flags = IORESOURCE_MEM, | ||
59 | }, | ||
60 | [2] = { | ||
61 | .start = 61, | ||
62 | .end = 61, | ||
63 | .flags = IORESOURCE_IRQ, | ||
64 | }, | ||
65 | }; | ||
66 | |||
67 | static struct platform_device mp900c_dummy_device = { | ||
68 | .name = "mp900c_dummy", | ||
69 | .id = -1, | ||
70 | }; | ||
71 | |||
72 | static struct platform_device mp900c_usb = { | ||
73 | .name = "isp116x-hcd", | ||
74 | .num_resources = ARRAY_SIZE(isp116x_pfm_resources), | ||
75 | .resource = isp116x_pfm_resources, | ||
76 | .dev.platform_data = &isp116x_pfm_data, | ||
77 | }; | ||
78 | |||
79 | static struct platform_device *devices[] __initdata = { | ||
80 | &mp900c_dummy_device, | ||
81 | &mp900c_usb, | ||
82 | }; | ||
83 | |||
84 | static void __init mp900c_init(void) | ||
85 | { | ||
86 | printk(KERN_INFO "MobilePro 900/C machine init\n"); | ||
87 | platform_add_devices(devices, ARRAY_SIZE(devices)); | ||
88 | } | ||
89 | |||
90 | /* Maintainer - Michael Petchkovsky <mkpetch@internode.on.net> */ | ||
91 | MACHINE_START(NEC_MP900, "MobilePro900/C") | ||
92 | .phys_io = 0x40000000, | ||
93 | .boot_params = 0xa0220100, | ||
94 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | ||
95 | .timer = &pxa_timer, | ||
96 | .map_io = pxa_map_io, | ||
97 | .init_irq = pxa25x_init_irq, | ||
98 | .init_machine = mp900c_init, | ||
99 | MACHINE_END | ||
100 | |||