/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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);