diff options
Diffstat (limited to 'arch/arm/mach-pxa/mp900.c')
-rw-r--r-- | arch/arm/mach-pxa/mp900.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/mp900.c b/arch/arm/mach-pxa/mp900.c new file mode 100644 index 000000000..8ef8ac4ab --- /dev/null +++ b/arch/arm/mach-pxa/mp900.c @@ -0,0 +1,101 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-pxa/mp900.c + * + * Support for the NEC MobilePro900/C platform + * + * Based on mach-pxa/gumstix.c + * + * 2007, 2008 Kristoffer Ericson <kristoffer.ericson@gmail.com> + * 2007, 2008 Michael Petchkovsky <mkpetch@internode.on.net> + */ + +#include <linux/init.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/types.h> +#include <linux/usb/isp116x.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include "pxa25x.h" +#include "generic.h" + +static void isp116x_pfm_delay(struct device *dev, int delay) +{ + + /* 400MHz PXA2 = 2.5ns / instruction */ + + int cyc = delay / 10; + + /* 4 Instructions = 4 x 2.5ns = 10ns */ + __asm__ volatile ("0:\n" + "subs %0, %1, #1\n" + "bge 0b\n" + :"=r" (cyc) + :"0"(cyc) + ); +} + +static struct isp116x_platform_data isp116x_pfm_data = { + .remote_wakeup_enable = 1, + .delay = isp116x_pfm_delay, +}; + +static struct resource isp116x_pfm_resources[] = { + [0] = { + .start = 0x0d000000, + .end = 0x0d000000 + 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 0x0d000000 + 4, + .end = 0x0d000000 + 5, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = 61, + .end = 61, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mp900c_dummy_device = { + .name = "mp900c_dummy", + .id = -1, +}; + +static struct platform_device mp900c_usb = { + .name = "isp116x-hcd", + .num_resources = ARRAY_SIZE(isp116x_pfm_resources), + .resource = isp116x_pfm_resources, + .dev.platform_data = &isp116x_pfm_data, +}; + +static struct platform_device *devices[] __initdata = { + &mp900c_dummy_device, + &mp900c_usb, +}; + +static void __init mp900c_init(void) +{ + printk(KERN_INFO "MobilePro 900/C machine init\n"); + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +/* Maintainer - Michael Petchkovsky <mkpetch@internode.on.net> */ +MACHINE_START(NEC_MP900, "MobilePro900/C") + .atag_offset = 0x220100, + .init_time = pxa_timer_init, + .map_io = pxa25x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa25x_init_irq, + .handle_irq = pxa25x_handle_irq, + .init_machine = mp900c_init, + .restart = pxa_restart, +MACHINE_END + |