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22df90f6 KC |
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 | } |