MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.

Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 56 insertions, 0 deletions

diff --git a/arch/mips/bcm63xx/dev-dsp.c b/arch/mips/bcm63xx/dev-dsp.c
new file mode 100644
index 000000000000..da46d1d3c77c
--- /dev/null
+++ b/arch/mips/bcm63xx/dev-dsp.c
@@ -0,0 +1,56 @@
+/*
+ * Broadcom BCM63xx VoIP DSP registration
+ *
+ * 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) 2009 Florian Fainelli <florian@openwrt.org>
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <bcm63xx_cpu.h>
+#include <bcm63xx_dev_dsp.h>
+#include <bcm63xx_regs.h>
+#include <bcm63xx_io.h>
+
+static struct resource voip_dsp_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_voip_dsp_device = {
+        .name           = "bcm63xx-voip-dsp",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(voip_dsp_resources),
+        .resource       = voip_dsp_resources,
+};
+
+int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd)
+{
+        struct bcm63xx_dsp_platform_data *dpd;
+        u32 val;
+
+        /* Get the memory window */
+        val = bcm_mpi_readl(MPI_CSBASE_REG(pd->cs - 1));
+        val &= MPI_CSBASE_BASE_MASK;
+        voip_dsp_resources[0].start = val;
+        voip_dsp_resources[0].end = val + 0xFFFFFFF;
+        voip_dsp_resources[1].start = pd->ext_irq;
+
+        /* copy given platform data */
+        dpd = bcm63xx_voip_dsp_device.dev.platform_data;
+        memcpy(dpd, pd, sizeof (*pd));
+
+        return platform_device_register(&bcm63xx_voip_dsp_device);
+}