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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
*/
#include <linux/dma-mapping.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/irqchip/mips-gic.h>
#include <linux/irqdomain.h>
#include <linux/leds.h>
#include <linux/mtd/physmap.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <asm/mips-boards/sead3int.h>
static struct mtd_partition sead3_mtd_partitions[] = {
{
.name = "User FS",
.offset = 0x00000000,
.size = 0x01fc0000,
}, {
.name = "Board Config",
.offset = 0x01fc0000,
.size = 0x00040000,
.mask_flags = MTD_WRITEABLE
},
};
static struct physmap_flash_data sead3_flash_data = {
.width = 4,
.nr_parts = ARRAY_SIZE(sead3_mtd_partitions),
.parts = sead3_mtd_partitions
};
static struct resource sead3_flash_resource = {
.start = 0x1c000000,
.end = 0x1dffffff,
.flags = IORESOURCE_MEM
};
static struct platform_device sead3_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &sead3_flash_data,
},
.num_resources = 1,
.resource = &sead3_flash_resource,
};
#define LEDFLAGS(bits, shift) \
((bits << 8) | (shift << 8))
#define LEDBITS(id, shift, bits) \
.name = id #shift, \
.flags = LEDFLAGS(bits, shift)
static struct led_info led_data_info[] = {
{ LEDBITS("bit", 0, 1) },
{ LEDBITS("bit", 1, 1) },
{ LEDBITS("bit", 2, 1) },
{ LEDBITS("bit", 3, 1) },
{ LEDBITS("bit", 4, 1) },
{ LEDBITS("bit", 5, 1) },
{ LEDBITS("bit", 6, 1) },
{ LEDBITS("bit", 7, 1) },
{ LEDBITS("all", 0, 8) },
};
static struct led_platform_data led_data = {
.num_leds = ARRAY_SIZE(led_data_info),
.leds = led_data_info
};
static struct resource pled_resources[] = {
{
.start = 0x1f000210,
.end = 0x1f000217,
.flags = IORESOURCE_MEM
}
};
static struct platform_device pled_device = {
.name = "sead3::pled",
.id = 0,
.dev = {
.platform_data = &led_data,
},
.num_resources = ARRAY_SIZE(pled_resources),
.resource = pled_resources
};
static struct resource fled_resources[] = {
{
.start = 0x1f000218,
.end = 0x1f00021f,
.flags = IORESOURCE_MEM
}
};
static struct platform_device fled_device = {
.name = "sead3::fled",
.id = 0,
.dev = {
.platform_data = &led_data,
},
.num_resources = ARRAY_SIZE(fled_resources),
.resource = fled_resources
};
static struct platform_device sead3_led_device = {
.name = "sead3-led",
.id = -1,
};
static struct resource ehci_resources[] = {
{
.start = 0x1b200000,
.end = 0x1b200fff,
.flags = IORESOURCE_MEM
}, {
.flags = IORESOURCE_IRQ
}
};
static u64 sead3_usbdev_dma_mask = DMA_BIT_MASK(32);
static struct platform_device ehci_device = {
.name = "sead3-ehci",
.id = 0,
.dev = {
.dma_mask = &sead3_usbdev_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32)
},
.num_resources = ARRAY_SIZE(ehci_resources),
.resource = ehci_resources
};
static struct platform_device *sead3_platform_devices[] __initdata = {
&sead3_flash,
&pled_device,
&fled_device,
&sead3_led_device,
&ehci_device,
};
static int __init sead3_platforms_device_init(void)
{
const char *intc_compat;
struct device_node *node;
struct irq_domain *irqd;
if (gic_present)
intc_compat = "mti,gic";
else
intc_compat = "mti,cpu-interrupt-controller";
node = of_find_compatible_node(NULL, NULL, intc_compat);
if (!node) {
pr_err("unable to find interrupt controller DT node\n");
return -ENODEV;
}
irqd = irq_find_host(node);
if (!irqd) {
pr_err("unable to find interrupt controller IRQ domain\n");
return -ENODEV;
}
if (gic_present) {
ehci_resources[1].start =
irq_create_mapping(irqd, GIC_INT_EHCI);
} else {
ehci_resources[1].start =
irq_create_mapping(irqd, CPU_INT_EHCI);
}
return platform_add_devices(sead3_platform_devices,
ARRAY_SIZE(sead3_platform_devices));
}
device_initcall(sead3_platforms_device_init);
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