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
21 static struct resource usbd_resources[NUM_MMIO + NUM_IRQ];
22
23 static u64 usbd_dmamask = DMA_BIT_MASK(32);
24
25 static 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
36 int __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
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