MIPS: BCM63XX: Create platform_device for USBD

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Reviewed-by: Jonas Gorski <jonas.gorski@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4111/
Signed-off-by: John Crispin <blogic@openwrt.org>

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 000000000000..508bd9d8df27
--- /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);
+}