/*
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* Copyright (c) 2003-2012 Broadcom Corporation
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* All Rights Reserved
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* 1. Redistributions of source code must retain the above copyright
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the Broadcom
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* license below:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/delay.h>
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#include <linux/ioport.h>
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#include <linux/resource.h>
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#include <linux/phy.h>
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#include <asm/netlogic/haldefs.h>
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#include <asm/netlogic/common.h>
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#include <asm/netlogic/xlr/fmn.h>
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#include <asm/netlogic/xlr/xlr.h>
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#include <asm/netlogic/psb-bootinfo.h>
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#include <asm/netlogic/xlr/pic.h>
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#include <asm/netlogic/xlr/iomap.h>
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#include "platform_net.h"
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/* Linux Net */
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#define MAX_NUM_GMAC 8
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#define MAX_NUM_XLS_GMAC 8
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#define MAX_NUM_XLR_GMAC 4
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static u32 xlr_gmac_offsets[] = {
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NETLOGIC_IO_GMAC_0_OFFSET, NETLOGIC_IO_GMAC_1_OFFSET,
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NETLOGIC_IO_GMAC_2_OFFSET, NETLOGIC_IO_GMAC_3_OFFSET,
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NETLOGIC_IO_GMAC_4_OFFSET, NETLOGIC_IO_GMAC_5_OFFSET,
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NETLOGIC_IO_GMAC_6_OFFSET, NETLOGIC_IO_GMAC_7_OFFSET
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};
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static u32 xlr_gmac_irqs[] = { PIC_GMAC_0_IRQ, PIC_GMAC_1_IRQ,
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PIC_GMAC_2_IRQ, PIC_GMAC_3_IRQ,
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PIC_GMAC_4_IRQ, PIC_GMAC_5_IRQ,
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PIC_GMAC_6_IRQ, PIC_GMAC_7_IRQ
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};
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static struct resource xlr_net0_res[8];
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static struct resource xlr_net1_res[8];
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static u32 __iomem *gmac4_addr;
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static u32 __iomem *gpio_addr;
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static void xlr_resource_init(struct resource *res, int offset, int irq)
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{
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res->name = "gmac";
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res->start = CPHYSADDR(nlm_mmio_base(offset));
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res->end = res->start + 0xfff;
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res->flags = IORESOURCE_MEM;
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res++;
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res->name = "gmac";
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res->start = irq;
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res->end = irq;
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res->flags = IORESOURCE_IRQ;
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}
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static struct platform_device *gmac_controller2_init(void *gmac0_addr)
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{
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int mac;
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static struct xlr_net_data ndata1 = {
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.phy_interface = PHY_INTERFACE_MODE_SGMII,
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.rfr_station = FMN_STNID_GMAC1_FR_0,
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.bucket_size = xlr_board_fmn_config.bucket_size,
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.gmac_fmn_info = &xlr_board_fmn_config.gmac[1],
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};
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static struct platform_device xlr_net_dev1 = {
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.name = "xlr-net",
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.id = 1,
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.dev.platform_data = &ndata1,
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};
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gmac4_addr = ioremap(CPHYSADDR(
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nlm_mmio_base(NETLOGIC_IO_GMAC_4_OFFSET)), 0xfff);
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ndata1.serdes_addr = gmac4_addr;
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ndata1.pcs_addr = gmac4_addr;
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ndata1.mii_addr = gmac0_addr;
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ndata1.gpio_addr = gpio_addr;
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ndata1.cpu_mask = nlm_current_node()->coremask;
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xlr_net_dev1.resource = xlr_net1_res;
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for (mac = 0; mac < 4; mac++) {
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ndata1.tx_stnid[mac] = FMN_STNID_GMAC1_TX0 + mac;
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ndata1.phy_addr[mac] = mac + 4 + 0x10;
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xlr_resource_init(&xlr_net1_res[mac * 2],
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xlr_gmac_offsets[mac + 4],
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xlr_gmac_irqs[mac + 4]);
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}
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xlr_net_dev1.num_resources = 8;
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return &xlr_net_dev1;
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}
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static void xls_gmac_init(void)
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{
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int mac;
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struct platform_device *xlr_net_dev1;
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void __iomem *gmac0_addr = ioremap(CPHYSADDR(
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nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);
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static struct xlr_net_data ndata0 = {
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.rfr_station = FMN_STNID_GMACRFR_0,
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.bucket_size = xlr_board_fmn_config.bucket_size,
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.gmac_fmn_info = &xlr_board_fmn_config.gmac[0],
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};
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static struct platform_device xlr_net_dev0 = {
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.name = "xlr-net",
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.id = 0,
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};
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xlr_net_dev0.dev.platform_data = &ndata0;
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ndata0.serdes_addr = gmac0_addr;
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ndata0.pcs_addr = gmac0_addr;
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ndata0.mii_addr = gmac0_addr;
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/* Passing GPIO base for serdes init. Only needed on sgmii ports */
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gpio_addr = ioremap(CPHYSADDR(
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nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET)), 0xfff);
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ndata0.gpio_addr = gpio_addr;
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ndata0.cpu_mask = nlm_current_node()->coremask;
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xlr_net_dev0.resource = xlr_net0_res;
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switch (nlm_prom_info.board_major_version) {
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case 12:
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/* first block RGMII or XAUI, use RGMII */
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ndata0.phy_interface = PHY_INTERFACE_MODE_RGMII;
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ndata0.tx_stnid[0] = FMN_STNID_GMAC0_TX0;
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ndata0.phy_addr[0] = 0;
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xlr_net_dev0.num_resources = 2;
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xlr_resource_init(&xlr_net0_res[0], xlr_gmac_offsets[0],
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xlr_gmac_irqs[0]);
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platform_device_register(&xlr_net_dev0);
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/* second block is XAUI, not supported yet */
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break;
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default:
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/* default XLS config, all ports SGMII */
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ndata0.phy_interface = PHY_INTERFACE_MODE_SGMII;
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for (mac = 0; mac < 4; mac++) {
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ndata0.tx_stnid[mac] = FMN_STNID_GMAC0_TX0 + mac;
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ndata0.phy_addr[mac] = mac + 0x10;
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xlr_resource_init(&xlr_net0_res[mac * 2],
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xlr_gmac_offsets[mac],
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xlr_gmac_irqs[mac]);
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}
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xlr_net_dev0.num_resources = 8;
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platform_device_register(&xlr_net_dev0);
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xlr_net_dev1 = gmac_controller2_init(gmac0_addr);
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platform_device_register(xlr_net_dev1);
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}
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}
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static void xlr_gmac_init(void)
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{
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int mac;
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/* assume all GMACs for now */
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static struct xlr_net_data ndata0 = {
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.phy_interface = PHY_INTERFACE_MODE_RGMII,
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.serdes_addr = NULL,
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.pcs_addr = NULL,
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.rfr_station = FMN_STNID_GMACRFR_0,
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.bucket_size = xlr_board_fmn_config.bucket_size,
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.gmac_fmn_info = &xlr_board_fmn_config.gmac[0],
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.gpio_addr = NULL,
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};
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static struct platform_device xlr_net_dev0 = {
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.name = "xlr-net",
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.id = 0,
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.dev.platform_data = &ndata0,
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};
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ndata0.mii_addr = ioremap(CPHYSADDR(
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nlm_mmio_base(NETLOGIC_IO_GMAC_0_OFFSET)), 0xfff);
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ndata0.cpu_mask = nlm_current_node()->coremask;
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for (mac = 0; mac < MAX_NUM_XLR_GMAC; mac++) {
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ndata0.tx_stnid[mac] = FMN_STNID_GMAC0_TX0 + mac;
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ndata0.phy_addr[mac] = mac;
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xlr_resource_init(&xlr_net0_res[mac * 2], xlr_gmac_offsets[mac],
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xlr_gmac_irqs[mac]);
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}
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xlr_net_dev0.num_resources = 8;
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xlr_net_dev0.resource = xlr_net0_res;
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platform_device_register(&xlr_net_dev0);
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}
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static int __init xlr_net_init(void)
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{
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if (nlm_chip_is_xls())
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xls_gmac_init();
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else
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xlr_gmac_init();
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return 0;
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}
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arch_initcall(xlr_net_init);
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