linux/arch/arm/mach-ux500/cpu-db5500.c

140 lines
2.9 KiB
C

/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/platform_device.h>
#include <linux/amba/bus.h>
#include <linux/io.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
#include <mach/devices.h>
#include <mach/setup.h>
#include <mach/irqs.h>
static struct map_desc u5500_io_desc[] __initdata = {
__IO_DEV_DESC(U5500_GPIO0_BASE, SZ_4K),
__IO_DEV_DESC(U5500_GPIO1_BASE, SZ_4K),
__IO_DEV_DESC(U5500_GPIO2_BASE, SZ_4K),
__IO_DEV_DESC(U5500_GPIO3_BASE, SZ_4K),
__IO_DEV_DESC(U5500_GPIO4_BASE, SZ_4K),
__IO_DEV_DESC(U5500_PRCMU_BASE, SZ_4K),
};
static struct resource mbox0_resources[] = {
{
.name = "mbox_peer",
.start = U5500_MBOX0_PEER_START,
.end = U5500_MBOX0_PEER_END,
.flags = IORESOURCE_MEM,
},
{
.name = "mbox_local",
.start = U5500_MBOX0_LOCAL_START,
.end = U5500_MBOX0_LOCAL_END,
.flags = IORESOURCE_MEM,
},
{
.name = "mbox_irq",
.start = MBOX_PAIR0_VIRT_IRQ,
.end = MBOX_PAIR0_VIRT_IRQ,
.flags = IORESOURCE_IRQ,
}
};
static struct resource mbox1_resources[] = {
{
.name = "mbox_peer",
.start = U5500_MBOX1_PEER_START,
.end = U5500_MBOX1_PEER_END,
.flags = IORESOURCE_MEM,
},
{
.name = "mbox_local",
.start = U5500_MBOX1_LOCAL_START,
.end = U5500_MBOX1_LOCAL_END,
.flags = IORESOURCE_MEM,
},
{
.name = "mbox_irq",
.start = MBOX_PAIR1_VIRT_IRQ,
.end = MBOX_PAIR1_VIRT_IRQ,
.flags = IORESOURCE_IRQ,
}
};
static struct resource mbox2_resources[] = {
{
.name = "mbox_peer",
.start = U5500_MBOX2_PEER_START,
.end = U5500_MBOX2_PEER_END,
.flags = IORESOURCE_MEM,
},
{
.name = "mbox_local",
.start = U5500_MBOX2_LOCAL_START,
.end = U5500_MBOX2_LOCAL_END,
.flags = IORESOURCE_MEM,
},
{
.name = "mbox_irq",
.start = MBOX_PAIR2_VIRT_IRQ,
.end = MBOX_PAIR2_VIRT_IRQ,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device mbox0_device = {
.id = 0,
.name = "mbox",
.resource = mbox0_resources,
.num_resources = ARRAY_SIZE(mbox0_resources),
};
static struct platform_device mbox1_device = {
.id = 1,
.name = "mbox",
.resource = mbox1_resources,
.num_resources = ARRAY_SIZE(mbox1_resources),
};
static struct platform_device mbox2_device = {
.id = 2,
.name = "mbox",
.resource = mbox2_resources,
.num_resources = ARRAY_SIZE(mbox2_resources),
};
static struct platform_device *u5500_platform_devs[] __initdata = {
&u5500_gpio_devs[0],
&u5500_gpio_devs[1],
&u5500_gpio_devs[2],
&u5500_gpio_devs[3],
&u5500_gpio_devs[4],
&u5500_gpio_devs[5],
&u5500_gpio_devs[6],
&u5500_gpio_devs[7],
&mbox0_device,
&mbox1_device,
&mbox2_device,
};
void __init u5500_map_io(void)
{
ux500_map_io();
iotable_init(u5500_io_desc, ARRAY_SIZE(u5500_io_desc));
}
void __init u5500_init_devices(void)
{
ux500_init_devices();
platform_add_devices(u5500_platform_devs,
ARRAY_SIZE(u5500_platform_devs));
}