2 * Broadcom BCM63xx VoIP DSP registration
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
8 * Copyright (C) 2009 Florian Fainelli <florian@openwrt.org>
11 #include <linux/init.h>
12 #include <linux/kernel.h>
13 #include <linux/platform_device.h>
15 #include <bcm63xx_cpu.h>
16 #include <bcm63xx_dev_dsp.h>
17 #include <bcm63xx_regs.h>
18 #include <bcm63xx_io.h>
20 static struct resource voip_dsp_resources[] = {
22 .start = -1, /* filled at runtime */
23 .end = -1, /* filled at runtime */
24 .flags = IORESOURCE_MEM,
27 .start = -1, /* filled at runtime */
28 .flags = IORESOURCE_IRQ,
32 static struct platform_device bcm63xx_voip_dsp_device = {
33 .name = "bcm63xx-voip-dsp",
35 .num_resources = ARRAY_SIZE(voip_dsp_resources),
36 .resource = voip_dsp_resources,
39 int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd)
41 struct bcm63xx_dsp_platform_data *dpd;
44 /* Get the memory window */
45 val = bcm_mpi_readl(MPI_CSBASE_REG(pd->cs - 1));
46 val &= MPI_CSBASE_BASE_MASK;
47 voip_dsp_resources[0].start = val;
48 voip_dsp_resources[0].end = val + 0xFFFFFFF;
49 voip_dsp_resources[1].start = pd->ext_irq;
51 /* copy given platform data */
52 dpd = bcm63xx_voip_dsp_device.dev.platform_data;
53 memcpy(dpd, pd, sizeof (*pd));
55 return platform_device_register(&bcm63xx_voip_dsp_device);