1/* 2 * Broadcom BCM63xx VoIP DSP registration 3 * 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 6 * for more details. 7 * 8 * Copyright (C) 2009 Florian Fainelli <florian@openwrt.org> 9 */ 10 11#include <linux/init.h> 12#include <linux/kernel.h> 13#include <linux/platform_device.h> 14 15#include <bcm63xx_cpu.h> 16#include <bcm63xx_dev_dsp.h> 17#include <bcm63xx_regs.h> 18#include <bcm63xx_io.h> 19 20static struct resource voip_dsp_resources[] = { 21 { 22 .start = -1, /* filled at runtime */ 23 .end = -1, /* filled at runtime */ 24 .flags = IORESOURCE_MEM, 25 }, 26 { 27 .start = -1, /* filled at runtime */ 28 .flags = IORESOURCE_IRQ, 29 }, 30}; 31 32static struct platform_device bcm63xx_voip_dsp_device = { 33 .name = "bcm63xx-voip-dsp", 34 .id = 0, 35 .num_resources = ARRAY_SIZE(voip_dsp_resources), 36 .resource = voip_dsp_resources, 37}; 38 39int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd) 40{ 41 struct bcm63xx_dsp_platform_data *dpd; 42 u32 val; 43 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; 50 51 /* copy given platform data */ 52 dpd = bcm63xx_voip_dsp_device.dev.platform_data; 53 memcpy(dpd, pd, sizeof (*pd)); 54 55 return platform_device_register(&bcm63xx_voip_dsp_device); 56} 57