[mirror_ubuntu-artful-kernel.git] / drivers / staging / netlogic / platform_net.c

/*
 * 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);
Commit	Line	Data
6f98b1a2 GR	1	/*
	2	* Copyright (c) 2003-2012 Broadcom Corporation
	3	* All Rights Reserved
	4	*
	5	* This software is available to you under a choice of one of two
	6	* licenses. You may choose to be licensed under the terms of the GNU
	7	* 1. Redistributions of source code must retain the above copyright
	8	* General Public License (GPL) Version 2, available from the file
	9	* COPYING in the main directory of this source tree, or the Broadcom
	10	* license below:
	11	*
	12	* Redistribution and use in source and binary forms, with or without
	13	* modification, are permitted provided that the following conditions
	14	* are met:
	15	*
	16	* 1. Redistributions of source code must retain the above copyright
	17	* notice, this list of conditions and the following disclaimer.
	18	* 2. Redistributions in binary form must reproduce the above copyright
	19	* notice, this list of conditions and the following disclaimer in
	20	* the documentation and/or other materials provided with the
	21	* distribution.
	22	*
	23	* THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
	24	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	25	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	26	* ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
	27	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	28	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	29	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
	30	* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
	31	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
	32	* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
	33	* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	34	*/
	35
	36	#include <linux/device.h>
	37	#include <linux/platform_device.h>
	38	#include <linux/kernel.h>
	39	#include <linux/init.h>
	40	#include <linux/io.h>
	41	#include <linux/delay.h>
	42	#include <linux/ioport.h>
	43	#include <linux/resource.h>
	44	#include <linux/phy.h>
	45
	46	#include <asm/netlogic/haldefs.h>
	47	#include <asm/netlogic/common.h>
	48	#include <asm/netlogic/xlr/fmn.h>
	49	#include <asm/netlogic/xlr/xlr.h>
	50	#include <asm/netlogic/psb-bootinfo.h>
	51	#include <asm/netlogic/xlr/pic.h>
	52	#include <asm/netlogic/xlr/iomap.h>
	53
	54	#include "platform_net.h"
	55
	56	/* Linux Net */
	57	#define MAX_NUM_GMAC 8
	58	#define MAX_NUM_XLS_GMAC 8
	59	#define MAX_NUM_XLR_GMAC 4
	60
6f98b1a2 GR	61	static u32 xlr_gmac_offsets[] = {
	62	NETLOGIC_IO_GMAC_0_OFFSET, NETLOGIC_IO_GMAC_1_OFFSET,
	63	NETLOGIC_IO_GMAC_2_OFFSET, NETLOGIC_IO_GMAC_3_OFFSET,
	64	NETLOGIC_IO_GMAC_4_OFFSET, NETLOGIC_IO_GMAC_5_OFFSET,
	65	NETLOGIC_IO_GMAC_6_OFFSET, NETLOGIC_IO_GMAC_7_OFFSET
	66	};
	67
	68	static u32 xlr_gmac_irqs[] = { PIC_GMAC_0_IRQ, PIC_GMAC_1_IRQ,
	69	PIC_GMAC_2_IRQ, PIC_GMAC_3_IRQ,
	70	PIC_GMAC_4_IRQ, PIC_GMAC_5_IRQ,
	71	PIC_GMAC_6_IRQ, PIC_GMAC_7_IRQ
	72	};
	73
f8397bc6 GR	74	static struct resource xlr_net0_res[8];
f8397bc6 GR	75	static struct resource xlr_net1_res[8];
6f98b1a2 GR	76	static u32 __iomem *gmac4_addr;
	77	static u32 __iomem *gpio_addr;
	78
f8397bc6	79	static void xlr_resource_init(struct resource *res, int offset, int irq)
6f98b1a2	80	{
f8397bc6 GR	81	res->name = "gmac";
	82
	83	res->start = CPHYSADDR(nlm_mmio_base(offset));
	84	res->end = res->start + 0xfff;
	85	res->flags = IORESOURCE_MEM;
	86
	87	res++;
	88	res->name = "gmac";
76ee5381 LGL	89	res->start = irq;
76ee5381 LGL	90	res->end = irq;
f8397bc6	91	res->flags = IORESOURCE_IRQ;
6f98b1a2 GR	92	}
6f98b1a2 GR	93
f8397bc6	94	static struct platform_device gmac_controller2_init(void gmac0_addr)
6f98b1a2	95	{
f8397bc6 GR	96	int mac;
	97	static struct xlr_net_data ndata1 = {
	98	.phy_interface = PHY_INTERFACE_MODE_SGMII,
	99	.rfr_station = FMN_STNID_GMAC1_FR_0,
	100	.bucket_size = xlr_board_fmn_config.bucket_size,
	101	.gmac_fmn_info = &xlr_board_fmn_config.gmac[1],
	102	};
	103
	104	static struct platform_device xlr_net_dev1 = {
	105	.name = "xlr-net",
	106	.id = 1,
	107	.dev.platform_data = &ndata1,
	108	};
	109
	110	gmac4_addr = ioremap(CPHYSADDR(
	111	nlm_mmio_base(NETLOGIC_IO_GMAC_4_OFFSET)), 0xfff);
	112	ndata1.serdes_addr = gmac4_addr;
	113	ndata1.pcs_addr = gmac4_addr;
	114	ndata1.mii_addr = gmac0_addr;
	115	ndata1.gpio_addr = gpio_addr;
	116	ndata1.cpu_mask = nlm_current_node()->coremask;
	117
	118	xlr_net_dev1.resource = xlr_net1_res;
	119
	120	for (mac = 0; mac < 4; mac++) {
	121	ndata1.tx_stnid[mac] = FMN_STNID_GMAC1_TX0 + mac;
	122	ndata1.phy_addr[mac] = mac + 4 + 0x10;
	123
	124	xlr_resource_init(&xlr_net1_res[mac * 2],
7d8827cf LGL	125	xlr_gmac_offsets[mac + 4],
7d8827cf LGL	126	xlr_gmac_irqs[mac + 4]);
f8397bc6 GR	127	}
	128	xlr_net_dev1.num_resources = 8;
	129
	130	return &xlr_net_dev1;
6f98b1a2 GR	131	}
	132
	133	static void xls_gmac_init(void)
	134	{
	135	int mac;
f8397bc6 GR	136	struct platform_device *xlr_net_dev1;
	137	void __iomem *gmac0_addr = ioremap(CPHYSADDR(
	138	nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);
6f98b1a2	139
f8397bc6 GR	140	static struct xlr_net_data ndata0 = {
	141	.rfr_station = FMN_STNID_GMACRFR_0,
	142	.bucket_size = xlr_board_fmn_config.bucket_size,
	143	.gmac_fmn_info = &xlr_board_fmn_config.gmac[0],
	144	};
	145
	146	static struct platform_device xlr_net_dev0 = {
	147	.name = "xlr-net",
	148	.id = 0,
	149	};
	150	xlr_net_dev0.dev.platform_data = &ndata0;
	151	ndata0.serdes_addr = gmac0_addr;
	152	ndata0.pcs_addr = gmac0_addr;
	153	ndata0.mii_addr = gmac0_addr;
	154
	155	/* Passing GPIO base for serdes init. Only needed on sgmii ports */
6f98b1a2 GR	156	gpio_addr = ioremap(CPHYSADDR(
6f98b1a2 GR	157	nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET)), 0xfff);
f8397bc6 GR	158	ndata0.gpio_addr = gpio_addr;
	159	ndata0.cpu_mask = nlm_current_node()->coremask;
	160
	161	xlr_net_dev0.resource = xlr_net0_res;
6f98b1a2 GR	162
	163	switch (nlm_prom_info.board_major_version) {
	164	case 12:
	165	/* first block RGMII or XAUI, use RGMII */
48177898	166	ndata0.phy_interface = PHY_INTERFACE_MODE_RGMII;
f8397bc6 GR	167	ndata0.tx_stnid[0] = FMN_STNID_GMAC0_TX0;
	168	ndata0.phy_addr[0] = 0;
	169
	170	xlr_net_dev0.num_resources = 2;
	171
	172	xlr_resource_init(&xlr_net0_res[0], xlr_gmac_offsets[0],
3a694d0c	173	xlr_gmac_irqs[0]);
f8397bc6	174	platform_device_register(&xlr_net_dev0);
6f98b1a2 GR	175
	176	/* second block is XAUI, not supported yet */
	177	break;
	178	default:
	179	/* default XLS config, all ports SGMII */
f8397bc6	180	ndata0.phy_interface = PHY_INTERFACE_MODE_SGMII;
6f98b1a2	181	for (mac = 0; mac < 4; mac++) {
f8397bc6 GR	182	ndata0.tx_stnid[mac] = FMN_STNID_GMAC0_TX0 + mac;
f8397bc6 GR	183	ndata0.phy_addr[mac] = mac + 0x10;
6f98b1a2	184
f8397bc6	185	xlr_resource_init(&xlr_net0_res[mac * 2],
3a694d0c	186	xlr_gmac_offsets[mac],
6f98b1a2	187	xlr_gmac_irqs[mac]);
6f98b1a2	188	}
f8397bc6 GR	189	xlr_net_dev0.num_resources = 8;
	190	platform_device_register(&xlr_net_dev0);
	191
	192	xlr_net_dev1 = gmac_controller2_init(gmac0_addr);
	193	platform_device_register(xlr_net_dev1);
6f98b1a2 GR	194	}
	195	}
	196
	197	static void xlr_gmac_init(void)
	198	{
	199	int mac;
	200
	201	/* assume all GMACs for now */
f8397bc6 GR	202	static struct xlr_net_data ndata0 = {
	203	.phy_interface = PHY_INTERFACE_MODE_RGMII,
	204	.serdes_addr = NULL,
	205	.pcs_addr = NULL,
	206	.rfr_station = FMN_STNID_GMACRFR_0,
	207	.bucket_size = xlr_board_fmn_config.bucket_size,
	208	.gmac_fmn_info = &xlr_board_fmn_config.gmac[0],
	209	.gpio_addr = NULL,
	210	};
	211
f8397bc6 GR	212	static struct platform_device xlr_net_dev0 = {
	213	.name = "xlr-net",
	214	.id = 0,
	215	.dev.platform_data = &ndata0,
	216	};
	217	ndata0.mii_addr = ioremap(CPHYSADDR(
	218	nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);
	219
	220	ndata0.cpu_mask = nlm_current_node()->coremask;
	221
6f98b1a2	222	for (mac = 0; mac < MAX_NUM_XLR_GMAC; mac++) {
f8397bc6 GR	223	ndata0.tx_stnid[mac] = FMN_STNID_GMAC0_TX0 + mac;
	224	ndata0.phy_addr[mac] = mac;
	225	xlr_resource_init(&xlr_net0_res[mac * 2], xlr_gmac_offsets[mac],
3a694d0c	226	xlr_gmac_irqs[mac]);
6f98b1a2	227	}
f8397bc6 GR	228	xlr_net_dev0.num_resources = 8;
	229	xlr_net_dev0.resource = xlr_net0_res;
	230
	231	platform_device_register(&xlr_net_dev0);
6f98b1a2 GR	232	}
	233
	234	static int __init xlr_net_init(void)
	235	{
6f98b1a2 GR	236	if (nlm_chip_is_xls())
	237	xls_gmac_init();
	238	else
	239	xlr_gmac_init();
	240
	241	return 0;
	242	}
	243
	244	arch_initcall(xlr_net_init);