| Kristoffer Ericson | 49ea26d0 | 2008-10-02 20:15:35 +0100 | [diff] [blame] | 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 | |
| Kristoffer Ericson | 49ea26d0 | 2008-10-02 20:15:35 +0100 | [diff] [blame] | 22 | #include <asm/mach-types.h> |
| 23 | #include <asm/mach/arch.h> |
| Eric Miao | 51c6298 | 2009-01-02 23:17:22 +0800 | [diff] [blame] | 24 | |
| 25 | #include <mach/pxa25x.h> |
| Kristoffer Ericson | 49ea26d0 | 2008-10-02 20:15:35 +0100 | [diff] [blame] | 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 | |