X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fstaging%2Fnetlogic%2Fplatform_net.c;fp=kernel%2Fdrivers%2Fstaging%2Fnetlogic%2Fplatform_net.c;h=77c3c3522afa2036e595ae35978105ca99be00db;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git diff --git a/kernel/drivers/staging/netlogic/platform_net.c b/kernel/drivers/staging/netlogic/platform_net.c new file mode 100644 index 000000000..77c3c3522 --- /dev/null +++ b/kernel/drivers/staging/netlogic/platform_net.c @@ -0,0 +1,245 @@ +/* + * 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 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 = 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);