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add the infrastructure to use a MPI/GPIO connected VoIP DSP

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SVN-Revision: 16650
This commit is contained in:
Florian Fainelli 2009-07-01 21:00:41 +00:00
parent d97b12f8b7
commit 0bda624fc7
5 changed files with 97 additions and 1 deletions
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1
target/linux/brcm63xx/files/arch/mips/bcm63xx/Makefile
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@ -7,6 +7,7 @@ obj-y += dev-usb-udc.o
obj-y += dev-enet.o
obj-y += dev-wdt.o
obj-y += dev-spi.o
obj-y += dev-dsp.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-y += boards/

23
target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c
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@ -24,6 +24,7 @@
#include <bcm63xx_dev_uart.h>
#include <bcm63xx_dev_wdt.h>
#include <bcm63xx_dev_enet.h>
#include <bcm63xx_dev_dsp.h>
#include <bcm63xx_dev_pcmcia.h>
#include <bcm63xx_dev_usb_ohci.h>
#include <bcm63xx_dev_usb_ehci.h>
@ -114,6 +115,14 @@ static struct board_info __initdata board_96348gw_10 = {
.has_ohci0 = 1,
.has_pccard = 1,
.has_ehci0 = 1,
.has_dsp = 1,
.dsp = {
.gpio_rst = 6,
.gpio_int = 34,
.cs = 2,
.ext_irq = 2,
},
};
static struct board_info __initdata board_96348gw_11 = {
@ -157,7 +166,15 @@ static struct board_info __initdata board_96348gw = {
.force_duplex_full = 1,
},
.has_ohci0 = 1,
.has_ohci0 = 1,
.has_dsp = 1,
.dsp = {
.gpio_rst = 6,
.gpio_int = 34,
.ext_irq = 2,
.cs = 2,
},
};
static struct board_info __initdata board_FAST2404 = {
@ -559,6 +576,10 @@ int __init board_register_devices(void)
if (board.has_udc0)
bcm63xx_udc_register();
if (board.has_dsp)
bcm63xx_dsp_register(&board.dsp);
/* Generate MAC address for WLAN and
* register our SPROM */
#ifdef CONFIG_PCI

56
target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-dsp.c Normal file
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@ -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);
}

13
target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_dev_dsp.h Normal file
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@ -0,0 +1,13 @@
#ifndef __BCM63XX_DSP_H
#define __BCM63XX_DSP_H
struct bcm63xx_dsp_platform_data {
unsigned gpio_rst;
unsigned gpio_int;
unsigned cs;
unsigned ext_irq;
};
int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd);
#endif /* __BCM63XX_DSP_H */

5
target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/board_bcm963xx.h
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@ -3,6 +3,7 @@
#include <linux/types.h>
#include <bcm63xx_dev_enet.h>
#include <bcm63xx_dev_dsp.h>
/*
* flash mapping
@ -42,10 +43,14 @@ struct board_info {
unsigned int has_ohci0:1;
unsigned int has_ehci0:1;
unsigned int has_udc0:1;
unsigned int has_dsp:1;
/* ethernet config */
struct bcm63xx_enet_platform_data enet0;
struct bcm63xx_enet_platform_data enet1;
/* DSP config */
struct bcm63xx_dsp_platform_data dsp;
};
#endif /* ! BOARD_BCM963XX_H_ */