drivers/staging/netlogic/platform_net.c - arm/linux-arm64-legacy - Git at Google

 /*
  * Copyright (c) 2003-2012 Broadcom Corporation
  * All Rights Reserved
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
  * 1. Redistributions of source code must retain the above copyright
  * General Public License (GPL) Version 2, available from the file
  * COPYING in the main directory of this source tree, or the Broadcom
  * license below:
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */

 #include <linux/device.h>
 #include <linux/platform_device.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/delay.h>
 #include <linux/ioport.h>
 #include <linux/resource.h>
 #include <linux/phy.h>

 #include <asm/netlogic/haldefs.h>
 #include <asm/netlogic/common.h>
 #include <asm/netlogic/xlr/fmn.h>
 #include <asm/netlogic/xlr/xlr.h>
 #include <asm/netlogic/psb-bootinfo.h>
 #include <asm/netlogic/xlr/pic.h>
 #include <asm/netlogic/xlr/iomap.h>

 #include "platform_net.h"

 /* Linux Net */
 #define MAX_NUM_GMAC		8
 #define MAX_NUM_XLS_GMAC	8
 #define MAX_NUM_XLR_GMAC	4


 static u32 xlr_gmac_offsets[] = {
 	NETLOGIC_IO_GMAC_0_OFFSET, NETLOGIC_IO_GMAC_1_OFFSET,
 	NETLOGIC_IO_GMAC_2_OFFSET, NETLOGIC_IO_GMAC_3_OFFSET,
 	NETLOGIC_IO_GMAC_4_OFFSET, NETLOGIC_IO_GMAC_5_OFFSET,
 	NETLOGIC_IO_GMAC_6_OFFSET, NETLOGIC_IO_GMAC_7_OFFSET
 };

 static u32 xlr_gmac_irqs[] = { PIC_GMAC_0_IRQ, PIC_GMAC_1_IRQ,
 	PIC_GMAC_2_IRQ, PIC_GMAC_3_IRQ,
 	PIC_GMAC_4_IRQ, PIC_GMAC_5_IRQ,
 	PIC_GMAC_6_IRQ, PIC_GMAC_7_IRQ
 };

 static struct xlr_net_data ndata[MAX_NUM_GMAC];
 static struct resource xlr_net_res[8][2];
 static struct platform_device xlr_net_dev[8];
 static u32 __iomem *gmac0_addr;
 static u32 __iomem *gmac4_addr;
 static u32 __iomem *gpio_addr;

 static void config_mac(struct xlr_net_data *nd, int phy, u32 __iomem *serdes,
 		u32 __iomem *pcs, int rfr, int tx, int *bkt_size,
 		struct xlr_fmn_info *gmac_fmn_info, int phy_addr)
 {
 	nd->cpu_mask = nlm_current_node()->coremask;
 	nd->phy_interface = phy;
 	nd->rfr_station = rfr;
 	nd->tx_stnid = tx;
 	nd->mii_addr = gmac0_addr;
 	nd->serdes_addr = serdes;
 	nd->pcs_addr = pcs;
 	nd->gpio_addr = gpio_addr;

 	nd->bucket_size = bkt_size;
 	nd->gmac_fmn_info = gmac_fmn_info;
 	nd->phy_addr = phy_addr;
 }

 static void net_device_init(int id, struct resource *res, int offset, int irq)
 {
 	res[0].name = "gmac";
 	res[0].start = CPHYSADDR(nlm_mmio_base(offset));
 	res[0].end = res[0].start + 0xfff;
 	res[0].flags = IORESOURCE_MEM;

 	res[1].name = "gmac";
 	res[1].start = irq;
 	res[1].end = irq;
 	res[1].flags = IORESOURCE_IRQ;

 	xlr_net_dev[id].name = "xlr-net";
 	xlr_net_dev[id].id = id;
 	xlr_net_dev[id].num_resources = 2;
 	xlr_net_dev[id].resource = res;
 	xlr_net_dev[id].dev.platform_data = &ndata[id];
 }

 static void xls_gmac_init(void)
 {
 	int mac;

 	gmac4_addr = ioremap(CPHYSADDR(
 		nlm_mmio_base(NETLOGIC_IO_GMAC_4_OFFSET)), 0xfff);
 	/* Passing GPIO base for serdes init. Only needed on sgmii ports*/
 	gpio_addr = ioremap(CPHYSADDR(
 		nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET)), 0xfff);

 	switch (nlm_prom_info.board_major_version) {
 	case 12:
 		/* first block RGMII or XAUI, use RGMII */
 		config_mac(&ndata[0],
 			PHY_INTERFACE_MODE_RGMII,
 			gmac0_addr,	/* serdes */
 			gmac0_addr,	/* pcs */
 			FMN_STNID_GMACRFR_0,
 			FMN_STNID_GMAC0_TX0,
 			xlr_board_fmn_config.bucket_size,
 			&xlr_board_fmn_config.gmac[0],
 			0);

 		net_device_init(0, xlr_net_res[0], xlr_gmac_offsets[0],
 				xlr_gmac_irqs[0]);
 		platform_device_register(&xlr_net_dev[0]);

 		/* second block is XAUI, not supported yet */
 		break;
 	default:
 		/* default XLS config, all ports SGMII */
 		for (mac = 0; mac < 4; mac++) {
 			config_mac(&ndata[mac],
 				PHY_INTERFACE_MODE_SGMII,
 				gmac0_addr,	/* serdes */
 				gmac0_addr,	/* pcs */
 				FMN_STNID_GMACRFR_0,
 				FMN_STNID_GMAC0_TX0 + mac,
 				xlr_board_fmn_config.bucket_size,
 				&xlr_board_fmn_config.gmac[0],
 				/* PHY address according to chip/board */
 				mac + 0x10);

 			net_device_init(mac, xlr_net_res[mac],
 					xlr_gmac_offsets[mac],
 					xlr_gmac_irqs[mac]);
 			platform_device_register(&xlr_net_dev[mac]);
 		}

 		for (mac = 4; mac < MAX_NUM_XLS_GMAC; mac++) {
 			config_mac(&ndata[mac],
 				PHY_INTERFACE_MODE_SGMII,
 				gmac4_addr,	/* serdes */
 				gmac4_addr,	/* pcs */
 				FMN_STNID_GMAC1_FR_0,
 				FMN_STNID_GMAC1_TX0 + mac - 4,
 				xlr_board_fmn_config.bucket_size,
 				&xlr_board_fmn_config.gmac[1],
 				/* PHY address according to chip/board */
 				mac + 0x10);

 			net_device_init(mac, xlr_net_res[mac],
 					xlr_gmac_offsets[mac],
 					xlr_gmac_irqs[mac]);
 			platform_device_register(&xlr_net_dev[mac]);
 		}
 	}
 }

 static void xlr_gmac_init(void)
 {
 	int mac;

 	/* assume all GMACs for now */
 	for (mac = 0; mac < MAX_NUM_XLR_GMAC; mac++) {
 		config_mac(&ndata[mac],
 			PHY_INTERFACE_MODE_RGMII,
 			0,
 			0,
 			FMN_STNID_GMACRFR_0,
 			FMN_STNID_GMAC0_TX0,
 			xlr_board_fmn_config.bucket_size,
 			&xlr_board_fmn_config.gmac[0],
 			mac);

 		net_device_init(mac, xlr_net_res[mac], xlr_gmac_offsets[mac],
 				xlr_gmac_irqs[mac]);
 		platform_device_register(&xlr_net_dev[mac]);
 	}
 }

 static int __init xlr_net_init(void)
 {
 	gmac0_addr = ioremap(CPHYSADDR(
 		nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);

 	if (nlm_chip_is_xls())
 		xls_gmac_init();
 	else
 		xlr_gmac_init();

 	return 0;
 }

 arch_initcall(xlr_net_init);
	/*
	* Copyright (c) 2003-2012 Broadcom Corporation
	* All Rights Reserved
	*
	* This software is available to you under a choice of one of two
	* licenses. You may choose to be licensed under the terms of the GNU
	* 1. Redistributions of source code must retain the above copyright
	* General Public License (GPL) Version 2, available from the file
	* COPYING in the main directory of this source tree, or the Broadcom
	* license below:
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	*
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in
	* the documentation and/or other materials provided with the
	* distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
	* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
	* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include <linux/device.h>
	#include <linux/platform_device.h>
	#include <linux/kernel.h>
	#include <linux/init.h>
	#include <linux/io.h>
	#include <linux/delay.h>
	#include <linux/ioport.h>
	#include <linux/resource.h>
	#include <linux/phy.h>

	#include <asm/netlogic/haldefs.h>
	#include <asm/netlogic/common.h>
	#include <asm/netlogic/xlr/fmn.h>
	#include <asm/netlogic/xlr/xlr.h>
	#include <asm/netlogic/psb-bootinfo.h>
	#include <asm/netlogic/xlr/pic.h>
	#include <asm/netlogic/xlr/iomap.h>

	#include "platform_net.h"

	/* Linux Net */
	#define MAX_NUM_GMAC 8
	#define MAX_NUM_XLS_GMAC 8
	#define MAX_NUM_XLR_GMAC 4


	static u32 xlr_gmac_offsets[] = {
	NETLOGIC_IO_GMAC_0_OFFSET, NETLOGIC_IO_GMAC_1_OFFSET,
	NETLOGIC_IO_GMAC_2_OFFSET, NETLOGIC_IO_GMAC_3_OFFSET,
	NETLOGIC_IO_GMAC_4_OFFSET, NETLOGIC_IO_GMAC_5_OFFSET,
	NETLOGIC_IO_GMAC_6_OFFSET, NETLOGIC_IO_GMAC_7_OFFSET
	};

	static u32 xlr_gmac_irqs[] = { PIC_GMAC_0_IRQ, PIC_GMAC_1_IRQ,
	PIC_GMAC_2_IRQ, PIC_GMAC_3_IRQ,
	PIC_GMAC_4_IRQ, PIC_GMAC_5_IRQ,
	PIC_GMAC_6_IRQ, PIC_GMAC_7_IRQ
	};

	static struct xlr_net_data ndata[MAX_NUM_GMAC];
	static struct resource xlr_net_res[8][2];
	static struct platform_device xlr_net_dev[8];
	static u32 __iomem *gmac0_addr;
	static u32 __iomem *gmac4_addr;
	static u32 __iomem *gpio_addr;

	static void config_mac(struct xlr_net_data nd, int phy, u32 __iomem serdes,
	u32 __iomem pcs, int rfr, int tx, int bkt_size,
	struct xlr_fmn_info *gmac_fmn_info, int phy_addr)
	{
	nd->cpu_mask = nlm_current_node()->coremask;
	nd->phy_interface = phy;
	nd->rfr_station = rfr;
	nd->tx_stnid = tx;
	nd->mii_addr = gmac0_addr;
	nd->serdes_addr = serdes;
	nd->pcs_addr = pcs;
	nd->gpio_addr = gpio_addr;

	nd->bucket_size = bkt_size;
	nd->gmac_fmn_info = gmac_fmn_info;
	nd->phy_addr = phy_addr;
	}

	static void net_device_init(int id, struct resource *res, int offset, int irq)
	{
	res[0].name = "gmac";
	res[0].start = CPHYSADDR(nlm_mmio_base(offset));
	res[0].end = res[0].start + 0xfff;
	res[0].flags = IORESOURCE_MEM;

	res[1].name = "gmac";
	res[1].start = irq;
	res[1].end = irq;
	res[1].flags = IORESOURCE_IRQ;

	xlr_net_dev[id].name = "xlr-net";
	xlr_net_dev[id].id = id;
	xlr_net_dev[id].num_resources = 2;
	xlr_net_dev[id].resource = res;
	xlr_net_dev[id].dev.platform_data = &ndata[id];
	}

	static void xls_gmac_init(void)
	{
	int mac;

	gmac4_addr = ioremap(CPHYSADDR(
	nlm_mmio_base(NETLOGIC_IO_GMAC_4_OFFSET)), 0xfff);
	/* Passing GPIO base for serdes init. Only needed on sgmii ports*/
	gpio_addr = ioremap(CPHYSADDR(
	nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET)), 0xfff);

	switch (nlm_prom_info.board_major_version) {
	case 12:
	/* first block RGMII or XAUI, use RGMII */
	config_mac(&ndata[0],
	PHY_INTERFACE_MODE_RGMII,
	gmac0_addr, /* serdes */
	gmac0_addr, /* pcs */
	FMN_STNID_GMACRFR_0,
	FMN_STNID_GMAC0_TX0,
	xlr_board_fmn_config.bucket_size,
	&xlr_board_fmn_config.gmac[0],
	0);

	net_device_init(0, xlr_net_res[0], xlr_gmac_offsets[0],
	xlr_gmac_irqs[0]);
	platform_device_register(&xlr_net_dev[0]);

	/* second block is XAUI, not supported yet */
	break;
	default:
	/* default XLS config, all ports SGMII */
	for (mac = 0; mac < 4; mac++) {
	config_mac(&ndata[mac],
	PHY_INTERFACE_MODE_SGMII,
	gmac0_addr, /* serdes */
	gmac0_addr, /* pcs */
	FMN_STNID_GMACRFR_0,
	FMN_STNID_GMAC0_TX0 + mac,
	xlr_board_fmn_config.bucket_size,
	&xlr_board_fmn_config.gmac[0],
	/* PHY address according to chip/board */
	mac + 0x10);

	net_device_init(mac, xlr_net_res[mac],
	xlr_gmac_offsets[mac],
	xlr_gmac_irqs[mac]);
	platform_device_register(&xlr_net_dev[mac]);
	}

	for (mac = 4; mac < MAX_NUM_XLS_GMAC; mac++) {
	config_mac(&ndata[mac],
	PHY_INTERFACE_MODE_SGMII,
	gmac4_addr, /* serdes */
	gmac4_addr, /* pcs */
	FMN_STNID_GMAC1_FR_0,
	FMN_STNID_GMAC1_TX0 + mac - 4,
	xlr_board_fmn_config.bucket_size,
	&xlr_board_fmn_config.gmac[1],
	/* PHY address according to chip/board */
	mac + 0x10);

	net_device_init(mac, xlr_net_res[mac],
	xlr_gmac_offsets[mac],
	xlr_gmac_irqs[mac]);
	platform_device_register(&xlr_net_dev[mac]);
	}
	}
	}

	static void xlr_gmac_init(void)
	{
	int mac;

	/* assume all GMACs for now */
	for (mac = 0; mac < MAX_NUM_XLR_GMAC; mac++) {
	config_mac(&ndata[mac],
	PHY_INTERFACE_MODE_RGMII,
	0,
	0,
	FMN_STNID_GMACRFR_0,
	FMN_STNID_GMAC0_TX0,
	xlr_board_fmn_config.bucket_size,
	&xlr_board_fmn_config.gmac[0],
	mac);

	net_device_init(mac, xlr_net_res[mac], xlr_gmac_offsets[mac],
	xlr_gmac_irqs[mac]);
	platform_device_register(&xlr_net_dev[mac]);
	}
	}

	static int __init xlr_net_init(void)
	{
	gmac0_addr = ioremap(CPHYSADDR(
	nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);

	if (nlm_chip_is_xls())
	xls_gmac_init();
	else
	xlr_gmac_init();

	return 0;
	}

	arch_initcall(xlr_net_init);