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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-09-22 20:54:53 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-09-22 21:01:40 +0100
commitae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (patch)
tree3c2086ab67398a019089a47ca3f362a4bc6db74f /arch/mips/bcm63xx/dev-dsp.c
parent34e84f39a27d059a3e6ec6e8b94aafa702e6f220 (diff)
parent9173a8ef24a6b1b8031507b35b8ffe5f85a87692 (diff)
downloadop-kernel-dev-ae19ffbadc1b2100285a5b5b3d0a4e0a11390904.zip
op-kernel-dev-ae19ffbadc1b2100285a5b5b3d0a4e0a11390904.tar.gz
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/mips/bcm63xx/dev-dsp.c')
-rw-r--r--arch/mips/bcm63xx/dev-dsp.c56
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 0000000..da46d1d
--- /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);
+}
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