| /* |
| * 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); |