1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
7 * Copyright (C) 2012 Kevin Cernekee <cernekee@gmail.com>
8 * Copyright (C) 2012 Broadcom Corporation
9 */
10
11#include <linux/init.h>
12#include <linux/kernel.h>
13#include <linux/platform_device.h>
14#include <linux/dma-mapping.h>
15#include <bcm63xx_cpu.h>
16#include <bcm63xx_dev_usb_usbd.h>
17
18#define NUM_MMIO		2
19#define NUM_IRQ			7
20
21static struct resource usbd_resources[NUM_MMIO + NUM_IRQ];
22
23static u64 usbd_dmamask = DMA_BIT_MASK(32);
24
25static struct platform_device bcm63xx_usbd_device = {
26	.name		= "bcm63xx_udc",
27	.id		= -1,
28	.num_resources	= ARRAY_SIZE(usbd_resources),
29	.resource	= usbd_resources,
30	.dev		= {
31		.dma_mask		= &usbd_dmamask,
32		.coherent_dma_mask	= DMA_BIT_MASK(32),
33	},
34};
35
36int __init bcm63xx_usbd_register(const struct bcm63xx_usbd_platform_data *pd)
37{
38	const int irq_list[NUM_IRQ] = { IRQ_USBD,
39		IRQ_USBD_RXDMA0, IRQ_USBD_TXDMA0,
40		IRQ_USBD_RXDMA1, IRQ_USBD_TXDMA1,
41		IRQ_USBD_RXDMA2, IRQ_USBD_TXDMA2 };
42	int i;
43
44	if (!BCMCPU_IS_6328() && !BCMCPU_IS_6368())
45		return 0;
46
47	usbd_resources[0].start = bcm63xx_regset_address(RSET_USBD);
48	usbd_resources[0].end = usbd_resources[0].start + RSET_USBD_SIZE - 1;
49	usbd_resources[0].flags = IORESOURCE_MEM;
50
51	usbd_resources[1].start = bcm63xx_regset_address(RSET_USBDMA);
52	usbd_resources[1].end = usbd_resources[1].start + RSET_USBDMA_SIZE - 1;
53	usbd_resources[1].flags = IORESOURCE_MEM;
54
55	for (i = 0; i < NUM_IRQ; i++) {
56		struct resource *r = &usbd_resources[NUM_MMIO + i];
57
58		r->start = r->end = bcm63xx_get_irq_number(irq_list[i]);
59		r->flags = IORESOURCE_IRQ;
60	}
61
62	platform_device_add_data(&bcm63xx_usbd_device, pd, sizeof(*pd));
63
64	return platform_device_register(&bcm63xx_usbd_device);
65}
66