MIPS: BCM63xx: Add integrated ethernet mac support. (9b1fc55a) · Commits · e / devices / android_kernel_fairphone_FP3

arch/mips/bcm63xx/Makefile

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		obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
		dev-dsp.o
		dev-dsp.o dev-enet.o
		obj-$(CONFIG_EARLY_PRINTK) += early_printk.o

		obj-y += boards/

arch/mips/bcm63xx/dev-enet.c

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		/*
		* 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) 2008 Maxime Bizon <mbizon@freebox.fr>
		*/

		#include <linux/init.h>
		#include <linux/kernel.h>
		#include <linux/platform_device.h>
		#include <bcm63xx_dev_enet.h>
		#include <bcm63xx_io.h>
		#include <bcm63xx_regs.h>

		static struct resource shared_res[] = {
		{
		.start = -1, /* filled at runtime */
		.end = -1, /* filled at runtime */
		.flags = IORESOURCE_MEM,
		},
		};

		static struct platform_device bcm63xx_enet_shared_device = {
		.name = "bcm63xx_enet_shared",
		.id = 0,
		.num_resources = ARRAY_SIZE(shared_res),
		.resource = shared_res,
		};

		static int shared_device_registered;

		static struct resource enet0_res[] = {
		{
		.start = -1, /* filled at runtime */
		.end = -1, /* filled at runtime */
		.flags = IORESOURCE_MEM,
		},
		{
		.start = -1, /* filled at runtime */
		.flags = IORESOURCE_IRQ,
		},
		{
		.start = -1, /* filled at runtime */
		.flags = IORESOURCE_IRQ,
		},
		{
		.start = -1, /* filled at runtime */
		.flags = IORESOURCE_IRQ,
		},
		};

		static struct bcm63xx_enet_platform_data enet0_pd;

		static struct platform_device bcm63xx_enet0_device = {
		.name = "bcm63xx_enet",
		.id = 0,
		.num_resources = ARRAY_SIZE(enet0_res),
		.resource = enet0_res,
		.dev = {
		.platform_data = &enet0_pd,
		},
		};

		static struct resource enet1_res[] = {
		{
		.start = -1, /* filled at runtime */
		.end = -1, /* filled at runtime */
		.flags = IORESOURCE_MEM,
		},
		{
		.start = -1, /* filled at runtime */
		.flags = IORESOURCE_IRQ,
		},
		{
		.start = -1, /* filled at runtime */
		.flags = IORESOURCE_IRQ,
		},
		{
		.start = -1, /* filled at runtime */
		.flags = IORESOURCE_IRQ,
		},
		};

		static struct bcm63xx_enet_platform_data enet1_pd;

		static struct platform_device bcm63xx_enet1_device = {
		.name = "bcm63xx_enet",
		.id = 1,
		.num_resources = ARRAY_SIZE(enet1_res),
		.resource = enet1_res,
		.dev = {
		.platform_data = &enet1_pd,
		},
		};

		int __init bcm63xx_enet_register(int unit,
		const struct bcm63xx_enet_platform_data *pd)
		{
		struct platform_device *pdev;
		struct bcm63xx_enet_platform_data *dpd;
		int ret;

		if (unit > 1)
		return -ENODEV;

		if (!shared_device_registered) {
		shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA);
		shared_res[0].end = shared_res[0].start;
		if (BCMCPU_IS_6338())
		shared_res[0].end += (RSET_ENETDMA_SIZE / 2) - 1;
		else
		shared_res[0].end += (RSET_ENETDMA_SIZE) - 1;

		ret = platform_device_register(&bcm63xx_enet_shared_device);
		if (ret)
		return ret;
		shared_device_registered = 1;
		}

		if (unit == 0) {
		enet0_res[0].start = bcm63xx_regset_address(RSET_ENET0);
		enet0_res[0].end = enet0_res[0].start;
		enet0_res[0].end += RSET_ENET_SIZE - 1;
		enet0_res[1].start = bcm63xx_get_irq_number(IRQ_ENET0);
		enet0_res[2].start = bcm63xx_get_irq_number(IRQ_ENET0_RXDMA);
		enet0_res[3].start = bcm63xx_get_irq_number(IRQ_ENET0_TXDMA);
		pdev = &bcm63xx_enet0_device;
		} else {
		enet1_res[0].start = bcm63xx_regset_address(RSET_ENET1);
		enet1_res[0].end = enet1_res[0].start;
		enet1_res[0].end += RSET_ENET_SIZE - 1;
		enet1_res[1].start = bcm63xx_get_irq_number(IRQ_ENET1);
		enet1_res[2].start = bcm63xx_get_irq_number(IRQ_ENET1_RXDMA);
		enet1_res[3].start = bcm63xx_get_irq_number(IRQ_ENET1_TXDMA);
		pdev = &bcm63xx_enet1_device;
		}

		/* copy given platform data */
		dpd = pdev->dev.platform_data;
		memcpy(dpd, pd, sizeof(*pd));

		/* adjust them in case internal phy is used */
		if (dpd->use_internal_phy) {

		/* internal phy only exists for enet0 */
		if (unit == 1)
		return -ENODEV;

		dpd->phy_id = 1;
		dpd->has_phy_interrupt = 1;
		dpd->phy_interrupt = bcm63xx_get_irq_number(IRQ_ENET_PHY);
		}

		ret = platform_device_register(pdev);
		if (ret)
		return ret;
		return 0;
		}

drivers/net/Kconfig

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		@@ -1934,6 +1934,15 @@ config XILINX_EMACLITE
		help
		This driver supports the 10/100 Ethernet Lite from Xilinx.

		config BCM63XX_ENET
		tristate "Broadcom 63xx internal mac support"
		depends on BCM63XX
		select MII
		select PHYLIB
		help
		This driver supports the ethernet MACs in the Broadcom 63xx
		MIPS chipset family (BCM63XX).

		source "drivers/net/fs_enet/Kconfig"

		endif # NET_ETHERNET

drivers/net/Makefile

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		@@ -137,6 +137,7 @@ obj-$(CONFIG_B44) += b44.o
		obj-$(CONFIG_FORCEDETH) += forcedeth.o
		obj-$(CONFIG_NE_H8300) += ne-h8300.o 8390.o
		obj-$(CONFIG_AX88796) += ax88796.o
		obj-$(CONFIG_BCM63XX_ENET) += bcm63xx_enet.o

		obj-$(CONFIG_TSI108_ETH) += tsi108_eth.o
		obj-$(CONFIG_MV643XX_ETH) += mv643xx_eth.o

drivers/net/bcm63xx_enet.c

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File added.

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