drivers/staging/netlogic/platform_net.c - kernel/quantenna - 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 resource xlr_net0_res[8];
 static struct resource xlr_net1_res[8];
 static u32 __iomem *gmac4_addr;
 static u32 __iomem *gpio_addr;

 static void xlr_resource_init(struct resource *res, int offset, int irq)
 {
 	res->name = "gmac";

 	res->start = CPHYSADDR(nlm_mmio_base(offset));
 	res->end = res->start + 0xfff;
 	res->flags = IORESOURCE_MEM;

 	res++;
 	res->name = "gmac";
 	res->start = irq;
 	res->end = irq;
 	res->flags = IORESOURCE_IRQ;
 }

 static struct platform_device *gmac_controller2_init(void *gmac0_addr)
 {
 	int mac;
 	static struct xlr_net_data ndata1 = {
 		.phy_interface	= PHY_INTERFACE_MODE_SGMII,
 		.rfr_station	= FMN_STNID_GMAC1_FR_0,
 		.bucket_size	= xlr_board_fmn_config.bucket_size,
 		.gmac_fmn_info	= &xlr_board_fmn_config.gmac[1],
 	};

 	static struct platform_device xlr_net_dev1 = {
 		.name		= "xlr-net",
 		.id		= 1,
 		.dev.platform_data = &ndata1,
 	};

 	gmac4_addr = ioremap(CPHYSADDR(
 		nlm_mmio_base(NETLOGIC_IO_GMAC_4_OFFSET)), 0xfff);
 	ndata1.serdes_addr = gmac4_addr;
 	ndata1.pcs_addr	= gmac4_addr;
 	ndata1.mii_addr	= gmac0_addr;
 	ndata1.gpio_addr = gpio_addr;
 	ndata1.cpu_mask = nlm_current_node()->coremask;

 	xlr_net_dev1.resource = xlr_net1_res;

 	for (mac = 0; mac < 4; mac++) {
 		ndata1.tx_stnid[mac] = FMN_STNID_GMAC1_TX0 + mac;
 		ndata1.phy_addr[mac] = mac + 4 + 0x10;

 		xlr_resource_init(&xlr_net1_res[mac * 2],
 				  xlr_gmac_offsets[mac + 4],
 				  xlr_gmac_irqs[mac + 4]);
 	}
 	xlr_net_dev1.num_resources = 8;

 	return &xlr_net_dev1;
 }

 static void xls_gmac_init(void)
 {
 	int mac;
 	struct platform_device *xlr_net_dev1;
 	void __iomem *gmac0_addr = ioremap(CPHYSADDR(
 		nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);

 	static struct xlr_net_data ndata0 = {
 		.rfr_station	= FMN_STNID_GMACRFR_0,
 		.bucket_size	= xlr_board_fmn_config.bucket_size,
 		.gmac_fmn_info	= &xlr_board_fmn_config.gmac[0],
 	};

 	static struct platform_device xlr_net_dev0 = {
 		.name		= "xlr-net",
 		.id		= 0,
 	};
 	xlr_net_dev0.dev.platform_data = &ndata0;
 	ndata0.serdes_addr = gmac0_addr;
 	ndata0.pcs_addr	= gmac0_addr;
 	ndata0.mii_addr	= gmac0_addr;

 	/* Passing GPIO base for serdes init. Only needed on sgmii ports */
 	gpio_addr = ioremap(CPHYSADDR(
 		nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET)), 0xfff);
 	ndata0.gpio_addr = gpio_addr;
 	ndata0.cpu_mask = nlm_current_node()->coremask;

 	xlr_net_dev0.resource = xlr_net0_res;

 	switch (nlm_prom_info.board_major_version) {
 	case 12:
 		/* first block RGMII or XAUI, use RGMII */
 		ndata0.phy_interface = PHY_INTERFACE_MODE_RGMII;
 		ndata0.tx_stnid[0] = FMN_STNID_GMAC0_TX0;
 		ndata0.phy_addr[0] = 0;

 		xlr_net_dev0.num_resources = 2;

 		xlr_resource_init(&xlr_net0_res[0], xlr_gmac_offsets[0],
 				  xlr_gmac_irqs[0]);
 		platform_device_register(&xlr_net_dev0);

 		/* second block is XAUI, not supported yet */
 		break;
 	default:
 		/* default XLS config, all ports SGMII */
 		ndata0.phy_interface = PHY_INTERFACE_MODE_SGMII;
 		for (mac = 0; mac < 4; mac++) {
 			ndata0.tx_stnid[mac] = FMN_STNID_GMAC0_TX0 + mac;
 			ndata0.phy_addr[mac] = mac + 0x10;

 			xlr_resource_init(&xlr_net0_res[mac * 2],
 					  xlr_gmac_offsets[mac],
 					xlr_gmac_irqs[mac]);
 		}
 		xlr_net_dev0.num_resources = 8;
 		platform_device_register(&xlr_net_dev0);

 		xlr_net_dev1 = gmac_controller2_init(gmac0_addr);
 		platform_device_register(xlr_net_dev1);
 	}
 }

 static void xlr_gmac_init(void)
 {
 	int mac;

 	/* assume all GMACs for now */
 	static struct xlr_net_data ndata0 = {
 		.phy_interface	= PHY_INTERFACE_MODE_RGMII,
 		.serdes_addr	= NULL,
 		.pcs_addr	= NULL,
 		.rfr_station	= FMN_STNID_GMACRFR_0,
 		.bucket_size	= xlr_board_fmn_config.bucket_size,
 		.gmac_fmn_info	= &xlr_board_fmn_config.gmac[0],
 		.gpio_addr	= NULL,
 	};

 	static struct platform_device xlr_net_dev0 = {
 		.name		= "xlr-net",
 		.id		= 0,
 		.dev.platform_data = &ndata0,
 	};
 	ndata0.mii_addr = ioremap(CPHYSADDR(
 		nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);

 	ndata0.cpu_mask = nlm_current_node()->coremask;

 	for (mac = 0; mac < MAX_NUM_XLR_GMAC; mac++) {
 		ndata0.tx_stnid[mac] = FMN_STNID_GMAC0_TX0 + mac;
 		ndata0.phy_addr[mac] = mac;
 		xlr_resource_init(&xlr_net0_res[mac * 2], xlr_gmac_offsets[mac],
 				  xlr_gmac_irqs[mac]);
 	}
 	xlr_net_dev0.num_resources = 8;
 	xlr_net_dev0.resource = xlr_net0_res;

 	platform_device_register(&xlr_net_dev0);
 }

 static int __init xlr_net_init(void)
 {
 	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 resource xlr_net0_res[8];
	static struct resource xlr_net1_res[8];
	static u32 __iomem *gmac4_addr;
	static u32 __iomem *gpio_addr;

	static void xlr_resource_init(struct resource *res, int offset, int irq)
	{
	res->name = "gmac";

	res->start = CPHYSADDR(nlm_mmio_base(offset));
	res->end = res->start + 0xfff;
	res->flags = IORESOURCE_MEM;

	res++;
	res->name = "gmac";
	res->start = irq;
	res->end = irq;
	res->flags = IORESOURCE_IRQ;
	}

	static struct platform_device gmac_controller2_init(void gmac0_addr)
	{
	int mac;
	static struct xlr_net_data ndata1 = {
	.phy_interface = PHY_INTERFACE_MODE_SGMII,
	.rfr_station = FMN_STNID_GMAC1_FR_0,
	.bucket_size = xlr_board_fmn_config.bucket_size,
	.gmac_fmn_info = &xlr_board_fmn_config.gmac[1],
	};

	static struct platform_device xlr_net_dev1 = {
	.name = "xlr-net",
	.id = 1,
	.dev.platform_data = &ndata1,
	};

	gmac4_addr = ioremap(CPHYSADDR(
	nlm_mmio_base(NETLOGIC_IO_GMAC_4_OFFSET)), 0xfff);
	ndata1.serdes_addr = gmac4_addr;
	ndata1.pcs_addr = gmac4_addr;
	ndata1.mii_addr = gmac0_addr;
	ndata1.gpio_addr = gpio_addr;
	ndata1.cpu_mask = nlm_current_node()->coremask;

	xlr_net_dev1.resource = xlr_net1_res;

	for (mac = 0; mac < 4; mac++) {
	ndata1.tx_stnid[mac] = FMN_STNID_GMAC1_TX0 + mac;
	ndata1.phy_addr[mac] = mac + 4 + 0x10;

	xlr_resource_init(&xlr_net1_res[mac * 2],
	xlr_gmac_offsets[mac + 4],
	xlr_gmac_irqs[mac + 4]);
	}
	xlr_net_dev1.num_resources = 8;

	return &xlr_net_dev1;
	}

	static void xls_gmac_init(void)
	{
	int mac;
	struct platform_device *xlr_net_dev1;
	void __iomem *gmac0_addr = ioremap(CPHYSADDR(
	nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);

	static struct xlr_net_data ndata0 = {
	.rfr_station = FMN_STNID_GMACRFR_0,
	.bucket_size = xlr_board_fmn_config.bucket_size,
	.gmac_fmn_info = &xlr_board_fmn_config.gmac[0],
	};

	static struct platform_device xlr_net_dev0 = {
	.name = "xlr-net",
	.id = 0,
	};
	xlr_net_dev0.dev.platform_data = &ndata0;
	ndata0.serdes_addr = gmac0_addr;
	ndata0.pcs_addr = gmac0_addr;
	ndata0.mii_addr = gmac0_addr;

	/* Passing GPIO base for serdes init. Only needed on sgmii ports */
	gpio_addr = ioremap(CPHYSADDR(
	nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET)), 0xfff);
	ndata0.gpio_addr = gpio_addr;
	ndata0.cpu_mask = nlm_current_node()->coremask;

	xlr_net_dev0.resource = xlr_net0_res;

	switch (nlm_prom_info.board_major_version) {
	case 12:
	/* first block RGMII or XAUI, use RGMII */
	ndata0.phy_interface = PHY_INTERFACE_MODE_RGMII;
	ndata0.tx_stnid[0] = FMN_STNID_GMAC0_TX0;
	ndata0.phy_addr[0] = 0;

	xlr_net_dev0.num_resources = 2;

	xlr_resource_init(&xlr_net0_res[0], xlr_gmac_offsets[0],
	xlr_gmac_irqs[0]);
	platform_device_register(&xlr_net_dev0);

	/* second block is XAUI, not supported yet */
	break;
	default:
	/* default XLS config, all ports SGMII */
	ndata0.phy_interface = PHY_INTERFACE_MODE_SGMII;
	for (mac = 0; mac < 4; mac++) {
	ndata0.tx_stnid[mac] = FMN_STNID_GMAC0_TX0 + mac;
	ndata0.phy_addr[mac] = mac + 0x10;

	xlr_resource_init(&xlr_net0_res[mac * 2],
	xlr_gmac_offsets[mac],
	xlr_gmac_irqs[mac]);
	}
	xlr_net_dev0.num_resources = 8;
	platform_device_register(&xlr_net_dev0);

	xlr_net_dev1 = gmac_controller2_init(gmac0_addr);
	platform_device_register(xlr_net_dev1);
	}
	}

	static void xlr_gmac_init(void)
	{
	int mac;

	/* assume all GMACs for now */
	static struct xlr_net_data ndata0 = {
	.phy_interface = PHY_INTERFACE_MODE_RGMII,
	.serdes_addr = NULL,
	.pcs_addr = NULL,
	.rfr_station = FMN_STNID_GMACRFR_0,
	.bucket_size = xlr_board_fmn_config.bucket_size,
	.gmac_fmn_info = &xlr_board_fmn_config.gmac[0],
	.gpio_addr = NULL,
	};

	static struct platform_device xlr_net_dev0 = {
	.name = "xlr-net",
	.id = 0,
	.dev.platform_data = &ndata0,
	};
	ndata0.mii_addr = ioremap(CPHYSADDR(
	nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);

	ndata0.cpu_mask = nlm_current_node()->coremask;

	for (mac = 0; mac < MAX_NUM_XLR_GMAC; mac++) {
	ndata0.tx_stnid[mac] = FMN_STNID_GMAC0_TX0 + mac;
	ndata0.phy_addr[mac] = mac;
	xlr_resource_init(&xlr_net0_res[mac * 2], xlr_gmac_offsets[mac],
	xlr_gmac_irqs[mac]);
	}
	xlr_net_dev0.num_resources = 8;
	xlr_net_dev0.resource = xlr_net0_res;

	platform_device_register(&xlr_net_dev0);
	}

	static int __init xlr_net_init(void)
	{
	if (nlm_chip_is_xls())
	xls_gmac_init();
	else
	xlr_gmac_init();

	return 0;
	}

	arch_initcall(xlr_net_init);