From: florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Wed, 1 Jul 2009 21:00:41 +0000 (+0000)
Subject: [brcm63xx] add the infrastructure to use a MPI/GPIO connected VoIP DSP
X-Git-Url: https://git.rohieb.name/openwrt.git/commitdiff_plain/c33ead0f7c493581d316afb48c2d300c16cd51a6
[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
---
diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/Makefile b/target/linux/brcm63xx/files/arch/mips/bcm63xx/Makefile
index d121274cc..b9343a8d6 100644
--- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/Makefile
+++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/Makefile
@@ -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/
diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c
index 18389983a..b9ff9759e 100644
--- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -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
diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-dsp.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-dsp.c
new file mode 100644
index 000000000..08a2f75c2
--- /dev/null
+++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/dev-dsp.c
@@ -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);
+}
diff --git a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_dev_dsp.h b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_dev_dsp.h
new file mode 100644
index 000000000..b587d45c3
--- /dev/null
+++ b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_dev_dsp.h
@@ -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 */
diff --git a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/board_bcm963xx.h b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/board_bcm963xx.h
index 2f357fa87..85d1e5f41 100644
--- a/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/board_bcm963xx.h
+++ b/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/board_bcm963xx.h
@@ -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_ */