diff options
Diffstat (limited to 'arch/mips/bcm63xx/dev-usb-usbd.c')
-rw-r--r-- | arch/mips/bcm63xx/dev-usb-usbd.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/mips/bcm63xx/dev-usb-usbd.c b/arch/mips/bcm63xx/dev-usb-usbd.c new file mode 100644 index 000000000..508bd9d8d --- /dev/null +++ b/arch/mips/bcm63xx/dev-usb-usbd.c @@ -0,0 +1,65 @@ +/* + * 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) 2008 Maxime Bizon <mbizon@freebox.fr> + * Copyright (C) 2012 Kevin Cernekee <cernekee@gmail.com> + * Copyright (C) 2012 Broadcom Corporation + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_usb_usbd.h> + +#define NUM_MMIO 2 +#define NUM_IRQ 7 + +static struct resource usbd_resources[NUM_MMIO + NUM_IRQ]; + +static u64 usbd_dmamask = DMA_BIT_MASK(32); + +static struct platform_device bcm63xx_usbd_device = { + .name = "bcm63xx_udc", + .id = -1, + .num_resources = ARRAY_SIZE(usbd_resources), + .resource = usbd_resources, + .dev = { + .dma_mask = &usbd_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +int __init bcm63xx_usbd_register(const struct bcm63xx_usbd_platform_data *pd) +{ + const int irq_list[NUM_IRQ] = { IRQ_USBD, + IRQ_USBD_RXDMA0, IRQ_USBD_TXDMA0, + IRQ_USBD_RXDMA1, IRQ_USBD_TXDMA1, + IRQ_USBD_RXDMA2, IRQ_USBD_TXDMA2 }; + int i; + + if (!BCMCPU_IS_6328() && !BCMCPU_IS_6368()) + return 0; + + usbd_resources[0].start = bcm63xx_regset_address(RSET_USBD); + usbd_resources[0].end = usbd_resources[0].start + RSET_USBD_SIZE - 1; + usbd_resources[0].flags = IORESOURCE_MEM; + + usbd_resources[1].start = bcm63xx_regset_address(RSET_USBDMA); + usbd_resources[1].end = usbd_resources[1].start + RSET_USBDMA_SIZE - 1; + usbd_resources[1].flags = IORESOURCE_MEM; + + for (i = 0; i < NUM_IRQ; i++) { + struct resource *r = &usbd_resources[NUM_MMIO + i]; + + r->start = r->end = bcm63xx_get_irq_number(irq_list[i]); + r->flags = IORESOURCE_IRQ; + } + + platform_device_add_data(&bcm63xx_usbd_device, pd, sizeof(*pd)); + + return platform_device_register(&bcm63xx_usbd_device); +} |