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[brcm63xx] add the infrastructure to use a MPI/GPIO connected VoIP DSP
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16650 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -7,6 +7,7 @@ obj-y += dev-usb-udc.o
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obj-y += dev-enet.o
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obj-y += dev-wdt.o
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obj-y += dev-spi.o
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obj-y += dev-dsp.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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obj-y += boards/
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@ -24,6 +24,7 @@
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#include <bcm63xx_dev_uart.h>
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#include <bcm63xx_dev_wdt.h>
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#include <bcm63xx_dev_enet.h>
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#include <bcm63xx_dev_dsp.h>
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#include <bcm63xx_dev_pcmcia.h>
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#include <bcm63xx_dev_usb_ohci.h>
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#include <bcm63xx_dev_usb_ehci.h>
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@ -114,6 +115,14 @@ static struct board_info __initdata board_96348gw_10 = {
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.has_ohci0 = 1,
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.has_pccard = 1,
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.has_ehci0 = 1,
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.has_dsp = 1,
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.dsp = {
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.gpio_rst = 6,
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.gpio_int = 34,
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.cs = 2,
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.ext_irq = 2,
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},
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};
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static struct board_info __initdata board_96348gw_11 = {
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@ -157,7 +166,15 @@ static struct board_info __initdata board_96348gw = {
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.force_duplex_full = 1,
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},
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.has_ohci0 = 1,
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.has_ohci0 = 1,
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.has_dsp = 1,
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.dsp = {
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.gpio_rst = 6,
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.gpio_int = 34,
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.ext_irq = 2,
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.cs = 2,
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},
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};
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static struct board_info __initdata board_FAST2404 = {
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@ -559,6 +576,10 @@ int __init board_register_devices(void)
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if (board.has_udc0)
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bcm63xx_udc_register();
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if (board.has_dsp)
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bcm63xx_dsp_register(&board.dsp);
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/* Generate MAC address for WLAN and
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* register our SPROM */
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#ifdef CONFIG_PCI
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56
target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-dsp.c
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56
target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-dsp.c
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@ -0,0 +1,56 @@
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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 = 0,
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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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@ -0,0 +1,13 @@
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#ifndef __BCM63XX_DSP_H
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#define __BCM63XX_DSP_H
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struct bcm63xx_dsp_platform_data {
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unsigned gpio_rst;
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unsigned gpio_int;
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unsigned cs;
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unsigned ext_irq;
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};
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int __init bcm63xx_dsp_register(const struct bcm63xx_dsp_platform_data *pd);
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#endif /* __BCM63XX_DSP_H */
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@ -3,6 +3,7 @@
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#include <linux/types.h>
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#include <bcm63xx_dev_enet.h>
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#include <bcm63xx_dev_dsp.h>
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/*
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* flash mapping
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@ -42,10 +43,14 @@ struct board_info {
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unsigned int has_ohci0:1;
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unsigned int has_ehci0:1;
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unsigned int has_udc0:1;
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unsigned int has_dsp:1;
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/* ethernet config */
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struct bcm63xx_enet_platform_data enet0;
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struct bcm63xx_enet_platform_data enet1;
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/* DSP config */
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struct bcm63xx_dsp_platform_data dsp;
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};
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#endif /* ! BOARD_BCM963XX_H_ */
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