57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
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/*
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* Broadcom BCM63xx VoIP DSP registration
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2009 Florian Fainelli <florian@openwrt.org>
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <bcm63xx_cpu.h>
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#include <bcm63xx_dev_dsp.h>
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#include <bcm63xx_regs.h>
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#include <bcm63xx_io.h>
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static struct resource voip_dsp_resources[] = {
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{
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.start = -1, /* filled at runtime */
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.end = -1, /* filled at runtime */
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.flags = IORESOURCE_MEM,
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},
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{
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.start = -1, /* filled at runtime */
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device bcm63xx_voip_dsp_device = {
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.name = "bcm63xx-voip-dsp",
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.id = -1,
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.num_resources = ARRAY_SIZE(voip_dsp_resources),
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.resource = voip_dsp_resources,
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};
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int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd)
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{
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struct bcm63xx_dsp_platform_data *dpd;
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u32 val;
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/* Get the memory window */
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val = bcm_mpi_readl(MPI_CSBASE_REG(pd->cs - 1));
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val &= MPI_CSBASE_BASE_MASK;
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voip_dsp_resources[0].start = val;
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voip_dsp_resources[0].end = val + 0xFFFFFFF;
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voip_dsp_resources[1].start = pd->ext_irq;
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/* copy given platform data */
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dpd = bcm63xx_voip_dsp_device.dev.platform_data;
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memcpy(dpd, pd, sizeof (*pd));
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return platform_device_register(&bcm63xx_voip_dsp_device);
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}
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