Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / mips / bcm63xx / dev-hsspi.c

diff --git a/kernel/arch/mips/bcm63xx/dev-hsspi.c b/kernel/arch/mips/bcm63xx/dev-hsspi.c
new file mode 100644 (file)
index 0000000..696abc4
--- /dev/null
+++ b/kernel/arch/mips/bcm63xx/dev-hsspi.c
@@ -0,0 +1,47 @@
+/*
+ * 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) 2012 Jonas Gorski <jonas.gorski@gmail.com>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_dev_hsspi.h>
+#include <bcm63xx_regs.h>
+
+static struct resource spi_resources[] = {
+       {
+               .start          = -1, /* filled at runtime */
+               .end            = -1, /* filled at runtime */
+               .flags          = IORESOURCE_MEM,
+       },
+       {
+               .start          = -1, /* filled at runtime */
+               .flags          = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device bcm63xx_hsspi_device = {
+       .name           = "bcm63xx-hsspi",
+       .id             = 0,
+       .num_resources  = ARRAY_SIZE(spi_resources),
+       .resource       = spi_resources,
+};
+
+int __init bcm63xx_hsspi_register(void)
+{
+       if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362())
+               return -ENODEV;
+
+       spi_resources[0].start = bcm63xx_regset_address(RSET_HSSPI);
+       spi_resources[0].end = spi_resources[0].start;
+       spi_resources[0].end += RSET_HSSPI_SIZE - 1;
+       spi_resources[1].start = bcm63xx_get_irq_number(IRQ_HSSPI);
+
+       return platform_device_register(&bcm63xx_hsspi_device);
+}