fix SPI register switch and prepare for UDC, thanks to Henk Vergonet (#4783)

SVN-Revision: 14914

1 files changed, 58 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-usb-udc.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-usb-udc.c
new file mode 100644
index 0000000000..4459f2f003
--- /dev/null
+++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-usb-udc.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2009	Henk Vergonet <Henk.Vergonet@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <bcm63xx_cpu.h>
+
+static struct resource udc_resources[] = {
+	{
+		.start		= -1, /* filled at runtime */
+		.end		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static u64 udc_dmamask = ~(u32)0;
+
+static struct platform_device bcm63xx_udc_device = {
+	.name		= "bcm63xx-udc",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(udc_resources),
+	.resource	= udc_resources,
+	.dev		= {
+		.dma_mask		= &udc_dmamask,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+};
+
+int __init bcm63xx_udc_register(void)
+{
+	if (!BCMCPU_IS_6338() && !BCMCPU_IS_6348())
+		return 0;
+
+	udc_resources[0].start = bcm63xx_regset_address(RSET_UDC0);
+	udc_resources[0].end = udc_resources[0].start;
+	udc_resources[0].end += RSET_UDC_SIZE - 1;
+	udc_resources[1].start = bcm63xx_get_irq_number(IRQ_UDC0);
+	return platform_device_register(&bcm63xx_udc_device);
+}