diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/fman')
20 files changed, 590 insertions, 1386 deletions
diff --git a/drivers/net/ethernet/freescale/fman/Kconfig b/drivers/net/ethernet/freescale/fman/Kconfig index 34150182cc35..48bf8088795d 100644 --- a/drivers/net/ethernet/freescale/fman/Kconfig +++ b/drivers/net/ethernet/freescale/fman/Kconfig @@ -4,6 +4,7 @@ config FSL_FMAN depends on FSL_SOC || ARCH_LAYERSCAPE || COMPILE_TEST select GENERIC_ALLOCATOR select PHYLIB + select CRC32 default n help Freescale Data-Path Acceleration Architecture Frame Manager diff --git a/drivers/net/ethernet/freescale/fman/fman.c b/drivers/net/ethernet/freescale/fman/fman.c index f151d6e111dd..9d85fb136e34 100644 --- a/drivers/net/ethernet/freescale/fman/fman.c +++ b/drivers/net/ethernet/freescale/fman/fman.c @@ -1,34 +1,7 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later /* - * Copyright 2008-2015 Freescale Semiconductor Inc. + * Copyright 2008 - 2015 Freescale Semiconductor Inc. * Copyright 2020 NXP - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -1398,8 +1371,7 @@ static void enable_time_stamp(struct fman *fman) { struct fman_fpm_regs __iomem *fpm_rg = fman->fpm_regs; u16 fm_clk_freq = fman->state->fm_clk_freq; - u32 tmp, intgr, ts_freq; - u64 frac; + u32 tmp, intgr, ts_freq, frac; ts_freq = (u32)(1 << fman->state->count1_micro_bit); /* configure timestamp so that bit 8 will count 1 microsecond @@ -2064,11 +2036,11 @@ static int fman_set_exception(struct fman *fman, /** * fman_register_intr * @fman: A Pointer to FMan device - * @mod: Calling module + * @module: Calling module * @mod_id: Module id (if more than 1 exists, '0' if not) * @intr_type: Interrupt type (error/normal) selection. - * @f_isr: The interrupt service routine. - * @h_src_arg: Argument to be passed to f_isr. + * @isr_cb: The interrupt service routine. + * @src_arg: Argument to be passed to isr_cb. * * Used to register an event handler to be processed by FMan * @@ -2092,7 +2064,7 @@ EXPORT_SYMBOL(fman_register_intr); /** * fman_unregister_intr * @fman: A Pointer to FMan device - * @mod: Calling module + * @module: Calling module * @mod_id: Module id (if more than 1 exists, '0' if not) * @intr_type: Interrupt type (error/normal) selection. * @@ -2343,8 +2315,8 @@ EXPORT_SYMBOL(fman_get_bmi_max_fifo_size); /** * fman_get_revision - * @fman - Pointer to the FMan module - * @rev_info - A structure of revision information parameters. + * @fman: - Pointer to the FMan module + * @rev_info: - A structure of revision information parameters. * * Returns the FM revision * @@ -2509,7 +2481,7 @@ EXPORT_SYMBOL(fman_get_rx_extra_headroom); /** * fman_bind - * @dev: FMan OF device pointer + * @fm_dev: FMan OF device pointer * * Bind to a specific FMan device. * @@ -2728,7 +2700,7 @@ static struct fman *read_dts_node(struct platform_device *of_dev) fman = kzalloc(sizeof(*fman), GFP_KERNEL); if (!fman) - return NULL; + return ERR_PTR(-ENOMEM); fm_node = of_node_get(of_dev->dev.of_node); @@ -2741,26 +2713,21 @@ static struct fman *read_dts_node(struct platform_device *of_dev) fman->dts_params.id = (u8)val; /* Get the FM interrupt */ - res = platform_get_resource(of_dev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(&of_dev->dev, "%s: Can't get FMan IRQ resource\n", - __func__); + err = platform_get_irq(of_dev, 0); + if (err < 0) goto fman_node_put; - } - irq = res->start; + irq = err; /* Get the FM error interrupt */ - res = platform_get_resource(of_dev, IORESOURCE_IRQ, 1); - if (!res) { - dev_err(&of_dev->dev, "%s: Can't get FMan Error IRQ resource\n", - __func__); + err = platform_get_irq(of_dev, 1); + if (err < 0) goto fman_node_put; - } - fman->dts_params.err_irq = res->start; + fman->dts_params.err_irq = err; /* Get the FM address */ res = platform_get_resource(of_dev, IORESOURCE_MEM, 0); if (!res) { + err = -EINVAL; dev_err(&of_dev->dev, "%s: Can't get FMan memory resource\n", __func__); goto fman_node_put; @@ -2771,6 +2738,7 @@ static struct fman *read_dts_node(struct platform_device *of_dev) clk = of_clk_get(fm_node, 0); if (IS_ERR(clk)) { + err = PTR_ERR(clk); dev_err(&of_dev->dev, "%s: Failed to get FM%d clock structure\n", __func__, fman->dts_params.id); goto fman_node_put; @@ -2778,6 +2746,7 @@ static struct fman *read_dts_node(struct platform_device *of_dev) clk_rate = clk_get_rate(clk); if (!clk_rate) { + err = -EINVAL; dev_err(&of_dev->dev, "%s: Failed to determine FM%d clock rate\n", __func__, fman->dts_params.id); goto fman_node_put; @@ -2798,6 +2767,7 @@ static struct fman *read_dts_node(struct platform_device *of_dev) /* Get the MURAM base address and size */ muram_node = of_find_matching_node(fm_node, fman_muram_match); if (!muram_node) { + err = -EINVAL; dev_err(&of_dev->dev, "%s: could not find MURAM node\n", __func__); goto fman_free; @@ -2837,6 +2807,7 @@ static struct fman *read_dts_node(struct platform_device *of_dev) devm_request_mem_region(&of_dev->dev, phys_base_addr, mem_size, "fman"); if (!fman->dts_params.res) { + err = -EBUSY; dev_err(&of_dev->dev, "%s: request_mem_region() failed\n", __func__); goto fman_free; @@ -2845,6 +2816,7 @@ static struct fman *read_dts_node(struct platform_device *of_dev) fman->dts_params.base_addr = devm_ioremap(&of_dev->dev, phys_base_addr, mem_size); if (!fman->dts_params.base_addr) { + err = -ENOMEM; dev_err(&of_dev->dev, "%s: devm_ioremap() failed\n", __func__); goto fman_free; } @@ -2869,7 +2841,7 @@ fman_node_put: of_node_put(fm_node); fman_free: kfree(fman); - return NULL; + return ERR_PTR(err); } static int fman_probe(struct platform_device *of_dev) @@ -2881,8 +2853,8 @@ static int fman_probe(struct platform_device *of_dev) dev = &of_dev->dev; fman = read_dts_node(of_dev); - if (!fman) - return -EIO; + if (IS_ERR(fman)) + return PTR_ERR(fman); err = fman_config(fman); if (err) { diff --git a/drivers/net/ethernet/freescale/fman/fman.h b/drivers/net/ethernet/freescale/fman/fman.h index f2ede1360f03..2ea575a46675 100644 --- a/drivers/net/ethernet/freescale/fman/fman.h +++ b/drivers/net/ethernet/freescale/fman/fman.h @@ -1,34 +1,7 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ /* - * Copyright 2008-2015 Freescale Semiconductor Inc. + * Copyright 2008 - 2015 Freescale Semiconductor Inc. * Copyright 2020 NXP - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. */ #ifndef __FM_H diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.c b/drivers/net/ethernet/freescale/fman/fman_dtsec.c index 1ca543ac8f2c..6617932fd3fd 100644 --- a/drivers/net/ethernet/freescale/fman/fman_dtsec.c +++ b/drivers/net/ethernet/freescale/fman/fman_dtsec.c @@ -1,39 +1,13 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later /* - * Copyright 2008-2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. + * Copyright 2008 - 2015 Freescale Semiconductor Inc. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include "fman_dtsec.h" #include "fman.h" +#include "mac.h" #include <linux/slab.h> #include <linux/bitrev.h> @@ -327,7 +301,7 @@ struct fman_mac { /* Ethernet physical interface */ phy_interface_t phy_if; u16 max_speed; - void *dev_id; /* device cookie used by the exception cbs */ + struct mac_device *dev_id; /* device cookie used by the exception cbs */ fman_mac_exception_cb *exception_cb; fman_mac_exception_cb *event_cb; /* Number of individual addresses in registers for this station */ @@ -366,13 +340,26 @@ static void set_dflts(struct dtsec_cfg *cfg) cfg->maximum_frame = DEFAULT_MAXIMUM_FRAME; } +static void set_mac_address(struct dtsec_regs __iomem *regs, const u8 *adr) +{ + u32 tmp; + + tmp = (u32)((adr[5] << 24) | + (adr[4] << 16) | (adr[3] << 8) | adr[2]); + iowrite32be(tmp, ®s->macstnaddr1); + + tmp = (u32)((adr[1] << 24) | (adr[0] << 16)); + iowrite32be(tmp, ®s->macstnaddr2); +} + static int init(struct dtsec_regs __iomem *regs, struct dtsec_cfg *cfg, - phy_interface_t iface, u16 iface_speed, u8 *macaddr, + phy_interface_t iface, u16 iface_speed, u64 addr, u32 exception_mask, u8 tbi_addr) { bool is_rgmii, is_sgmii, is_qsgmii; - int i; + enet_addr_t eth_addr; u32 tmp; + int i; /* Soft reset */ iowrite32be(MACCFG1_SOFT_RESET, ®s->maccfg1); @@ -501,12 +488,10 @@ static int init(struct dtsec_regs __iomem *regs, struct dtsec_cfg *cfg, iowrite32be(0xffffffff, ®s->ievent); - tmp = (u32)((macaddr[5] << 24) | - (macaddr[4] << 16) | (macaddr[3] << 8) | macaddr[2]); - iowrite32be(tmp, ®s->macstnaddr1); - - tmp = (u32)((macaddr[1] << 24) | (macaddr[0] << 16)); - iowrite32be(tmp, ®s->macstnaddr2); + if (addr) { + MAKE_ENET_ADDR_FROM_UINT64(addr, eth_addr); + set_mac_address(regs, (const u8 *)eth_addr); + } /* HASH */ for (i = 0; i < NUM_OF_HASH_REGS; i++) { @@ -519,18 +504,6 @@ static int init(struct dtsec_regs __iomem *regs, struct dtsec_cfg *cfg, return 0; } -static void set_mac_address(struct dtsec_regs __iomem *regs, u8 *adr) -{ - u32 tmp; - - tmp = (u32)((adr[5] << 24) | - (adr[4] << 16) | (adr[3] << 8) | adr[2]); - iowrite32be(tmp, ®s->macstnaddr1); - - tmp = (u32)((adr[1] << 24) | (adr[0] << 16)); - iowrite32be(tmp, ®s->macstnaddr2); -} - static void set_bucket(struct dtsec_regs __iomem *regs, int bucket, bool enable) { @@ -556,10 +529,6 @@ static int check_init_parameters(struct fman_mac *dtsec) pr_err("1G MAC driver supports 1G or lower speeds\n"); return -EINVAL; } - if (dtsec->addr == 0) { - pr_err("Ethernet MAC Must have a valid MAC Address\n"); - return -EINVAL; - } if ((dtsec->dtsec_drv_param)->rx_prepend > MAX_PACKET_ALIGNMENT) { pr_err("packetAlignmentPadding can't be > than %d\n", @@ -845,73 +814,45 @@ static void free_init_resources(struct fman_mac *dtsec) dtsec->unicast_addr_hash = NULL; } -int dtsec_cfg_max_frame_len(struct fman_mac *dtsec, u16 new_val) -{ - if (is_init_done(dtsec->dtsec_drv_param)) - return -EINVAL; - - dtsec->dtsec_drv_param->maximum_frame = new_val; - - return 0; -} - -int dtsec_cfg_pad_and_crc(struct fman_mac *dtsec, bool new_val) -{ - if (is_init_done(dtsec->dtsec_drv_param)) - return -EINVAL; - - dtsec->dtsec_drv_param->tx_pad_crc = new_val; - - return 0; -} - -static void graceful_start(struct fman_mac *dtsec, enum comm_mode mode) +static void graceful_start(struct fman_mac *dtsec) { struct dtsec_regs __iomem *regs = dtsec->regs; - if (mode & COMM_MODE_TX) - iowrite32be(ioread32be(®s->tctrl) & - ~TCTRL_GTS, ®s->tctrl); - if (mode & COMM_MODE_RX) - iowrite32be(ioread32be(®s->rctrl) & - ~RCTRL_GRS, ®s->rctrl); + iowrite32be(ioread32be(®s->tctrl) & ~TCTRL_GTS, ®s->tctrl); + iowrite32be(ioread32be(®s->rctrl) & ~RCTRL_GRS, ®s->rctrl); } -static void graceful_stop(struct fman_mac *dtsec, enum comm_mode mode) +static void graceful_stop(struct fman_mac *dtsec) { struct dtsec_regs __iomem *regs = dtsec->regs; u32 tmp; /* Graceful stop - Assert the graceful Rx stop bit */ - if (mode & COMM_MODE_RX) { - tmp = ioread32be(®s->rctrl) | RCTRL_GRS; - iowrite32be(tmp, ®s->rctrl); + tmp = ioread32be(®s->rctrl) | RCTRL_GRS; + iowrite32be(tmp, ®s->rctrl); - if (dtsec->fm_rev_info.major == 2) { - /* Workaround for dTSEC Errata A002 */ - usleep_range(100, 200); - } else { - /* Workaround for dTSEC Errata A004839 */ - usleep_range(10, 50); - } + if (dtsec->fm_rev_info.major == 2) { + /* Workaround for dTSEC Errata A002 */ + usleep_range(100, 200); + } else { + /* Workaround for dTSEC Errata A004839 */ + usleep_range(10, 50); } /* Graceful stop - Assert the graceful Tx stop bit */ - if (mode & COMM_MODE_TX) { - if (dtsec->fm_rev_info.major == 2) { - /* dTSEC Errata A004: Do not use TCTRL[GTS]=1 */ - pr_debug("GTS not supported due to DTSEC_A004 Errata.\n"); - } else { - tmp = ioread32be(®s->tctrl) | TCTRL_GTS; - iowrite32be(tmp, ®s->tctrl); + if (dtsec->fm_rev_info.major == 2) { + /* dTSEC Errata A004: Do not use TCTRL[GTS]=1 */ + pr_debug("GTS not supported due to DTSEC_A004 Errata.\n"); + } else { + tmp = ioread32be(®s->tctrl) | TCTRL_GTS; + iowrite32be(tmp, ®s->tctrl); - /* Workaround for dTSEC Errata A0012, A0014 */ - usleep_range(10, 50); - } + /* Workaround for dTSEC Errata A0012, A0014 */ + usleep_range(10, 50); } } -int dtsec_enable(struct fman_mac *dtsec, enum comm_mode mode) +static int dtsec_enable(struct fman_mac *dtsec) { struct dtsec_regs __iomem *regs = dtsec->regs; u32 tmp; @@ -921,58 +862,42 @@ int dtsec_enable(struct fman_mac *dtsec, enum comm_mode mode) /* Enable */ tmp = ioread32be(®s->maccfg1); - if (mode & COMM_MODE_RX) - tmp |= MACCFG1_RX_EN; - if (mode & COMM_MODE_TX) - tmp |= MACCFG1_TX_EN; - + tmp |= MACCFG1_RX_EN | MACCFG1_TX_EN; iowrite32be(tmp, ®s->maccfg1); /* Graceful start - clear the graceful Rx/Tx stop bit */ - graceful_start(dtsec, mode); + graceful_start(dtsec); return 0; } -int dtsec_disable(struct fman_mac *dtsec, enum comm_mode mode) +static void dtsec_disable(struct fman_mac *dtsec) { struct dtsec_regs __iomem *regs = dtsec->regs; u32 tmp; - if (!is_init_done(dtsec->dtsec_drv_param)) - return -EINVAL; + WARN_ON_ONCE(!is_init_done(dtsec->dtsec_drv_param)); /* Graceful stop - Assert the graceful Rx/Tx stop bit */ - graceful_stop(dtsec, mode); + graceful_stop(dtsec); tmp = ioread32be(®s->maccfg1); - if (mode & COMM_MODE_RX) - tmp &= ~MACCFG1_RX_EN; - if (mode & COMM_MODE_TX) - tmp &= ~MACCFG1_TX_EN; - + tmp &= ~(MACCFG1_RX_EN | MACCFG1_TX_EN); iowrite32be(tmp, ®s->maccfg1); - - return 0; } -int dtsec_set_tx_pause_frames(struct fman_mac *dtsec, - u8 __maybe_unused priority, - u16 pause_time, u16 __maybe_unused thresh_time) +static int dtsec_set_tx_pause_frames(struct fman_mac *dtsec, + u8 __maybe_unused priority, + u16 pause_time, + u16 __maybe_unused thresh_time) { struct dtsec_regs __iomem *regs = dtsec->regs; - enum comm_mode mode = COMM_MODE_NONE; u32 ptv = 0; if (!is_init_done(dtsec->dtsec_drv_param)) return -EINVAL; - if ((ioread32be(®s->rctrl) & RCTRL_GRS) == 0) - mode |= COMM_MODE_RX; - if ((ioread32be(®s->tctrl) & TCTRL_GTS) == 0) - mode |= COMM_MODE_TX; - - graceful_stop(dtsec, mode); + graceful_stop(dtsec); if (pause_time) { /* FM_BAD_TX_TS_IN_B_2_B_ERRATA_DTSEC_A003 Errata workaround */ @@ -994,26 +919,20 @@ int dtsec_set_tx_pause_frames(struct fman_mac *dtsec, iowrite32be(ioread32be(®s->maccfg1) & ~MACCFG1_TX_FLOW, ®s->maccfg1); - graceful_start(dtsec, mode); + graceful_start(dtsec); return 0; } -int dtsec_accept_rx_pause_frames(struct fman_mac *dtsec, bool en) +static int dtsec_accept_rx_pause_frames(struct fman_mac *dtsec, bool en) { struct dtsec_regs __iomem *regs = dtsec->regs; - enum comm_mode mode = COMM_MODE_NONE; u32 tmp; if (!is_init_done(dtsec->dtsec_drv_param)) return -EINVAL; - if ((ioread32be(®s->rctrl) & RCTRL_GRS) == 0) - mode |= COMM_MODE_RX; - if ((ioread32be(®s->tctrl) & TCTRL_GTS) == 0) - mode |= COMM_MODE_TX; - - graceful_stop(dtsec, mode); + graceful_stop(dtsec); tmp = ioread32be(®s->maccfg1); if (en) @@ -1022,38 +941,32 @@ int dtsec_accept_rx_pause_frames(struct fman_mac *dtsec, bool en) tmp &= ~MACCFG1_RX_FLOW; iowrite32be(tmp, ®s->maccfg1); - graceful_start(dtsec, mode); + graceful_start(dtsec); return 0; } -int dtsec_modify_mac_address(struct fman_mac *dtsec, enet_addr_t *enet_addr) +static int dtsec_modify_mac_address(struct fman_mac *dtsec, + const enet_addr_t *enet_addr) { - struct dtsec_regs __iomem *regs = dtsec->regs; - enum comm_mode mode = COMM_MODE_NONE; - if (!is_init_done(dtsec->dtsec_drv_param)) return -EINVAL; - if ((ioread32be(®s->rctrl) & RCTRL_GRS) == 0) - mode |= COMM_MODE_RX; - if ((ioread32be(®s->tctrl) & TCTRL_GTS) == 0) - mode |= COMM_MODE_TX; - - graceful_stop(dtsec, mode); + graceful_stop(dtsec); /* Initialize MAC Station Address registers (1 & 2) * Station address have to be swapped (big endian to little endian */ dtsec->addr = ENET_ADDR_TO_UINT64(*enet_addr); - set_mac_address(dtsec->regs, (u8 *)(*enet_addr)); + set_mac_address(dtsec->regs, (const u8 *)(*enet_addr)); - graceful_start(dtsec, mode); + graceful_start(dtsec); return 0; } -int dtsec_add_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr) +static int dtsec_add_hash_mac_address(struct fman_mac *dtsec, + enet_addr_t *eth_addr) { struct dtsec_regs __iomem *regs = dtsec->regs; struct eth_hash_entry *hash_entry; @@ -1119,7 +1032,7 @@ int dtsec_add_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr) return 0; } -int dtsec_set_allmulti(struct fman_mac *dtsec, bool enable) +static int dtsec_set_allmulti(struct fman_mac *dtsec, bool enable) { u32 tmp; struct dtsec_regs __iomem *regs = dtsec->regs; @@ -1138,7 +1051,7 @@ int dtsec_set_allmulti(struct fman_mac *dtsec, bool enable) return 0; } -int dtsec_set_tstamp(struct fman_mac *dtsec, bool enable) +static int dtsec_set_tstamp(struct fman_mac *dtsec, bool enable) { struct dtsec_regs __iomem *regs = dtsec->regs; u32 rctrl, tctrl; @@ -1163,7 +1076,8 @@ int dtsec_set_tstamp(struct fman_mac *dtsec, bool enable) return 0; } -int dtsec_del_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr) +static int dtsec_del_hash_mac_address(struct fman_mac *dtsec, + enet_addr_t *eth_addr) { struct dtsec_regs __iomem *regs = dtsec->regs; struct list_head *pos; @@ -1205,7 +1119,7 @@ int dtsec_del_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr) list_for_each(pos, &dtsec->multicast_addr_hash->lsts[bucket]) { hash_entry = ETH_HASH_ENTRY_OBJ(pos); - if (hash_entry->addr == addr) { + if (hash_entry && hash_entry->addr == addr) { list_del_init(&hash_entry->node); kfree(hash_entry); break; @@ -1218,7 +1132,7 @@ int dtsec_del_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr) list_for_each(pos, &dtsec->unicast_addr_hash->lsts[bucket]) { hash_entry = ETH_HASH_ENTRY_OBJ(pos); - if (hash_entry->addr == addr) { + if (hash_entry && hash_entry->addr == addr) { list_del_init(&hash_entry->node); kfree(hash_entry); break; @@ -1234,7 +1148,7 @@ int dtsec_del_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr) return 0; } -int dtsec_set_promiscuous(struct fman_mac *dtsec, bool new_val) +static int dtsec_set_promiscuous(struct fman_mac *dtsec, bool new_val) { struct dtsec_regs __iomem *regs = dtsec->regs; u32 tmp; @@ -1263,21 +1177,15 @@ int dtsec_set_promiscuous(struct fman_mac *dtsec, bool new_val) return 0; } -int dtsec_adjust_link(struct fman_mac *dtsec, u16 speed) +static int dtsec_adjust_link(struct fman_mac *dtsec, u16 speed) { struct dtsec_regs __iomem *regs = dtsec->regs; - enum comm_mode mode = COMM_MODE_NONE; u32 tmp; if (!is_init_done(dtsec->dtsec_drv_param)) return -EINVAL; - if ((ioread32be(®s->rctrl) & RCTRL_GRS) == 0) - mode |= COMM_MODE_RX; - if ((ioread32be(®s->tctrl) & TCTRL_GTS) == 0) - mode |= COMM_MODE_TX; - - graceful_stop(dtsec, mode); + graceful_stop(dtsec); tmp = ioread32be(®s->maccfg2); @@ -1298,12 +1206,12 @@ int dtsec_adjust_link(struct fman_mac *dtsec, u16 speed) tmp &= ~DTSEC_ECNTRL_R100M; iowrite32be(tmp, ®s->ecntrl); - graceful_start(dtsec, mode); + graceful_start(dtsec); return 0; } -int dtsec_restart_autoneg(struct fman_mac *dtsec) +static int dtsec_restart_autoneg(struct fman_mac *dtsec) { u16 tmp_reg16; @@ -1321,20 +1229,31 @@ int dtsec_restart_autoneg(struct fman_mac *dtsec) return 0; } -int dtsec_get_version(struct fman_mac *dtsec, u32 *mac_version) +static void adjust_link_dtsec(struct mac_device *mac_dev) { - struct dtsec_regs __iomem *regs = dtsec->regs; + struct phy_device *phy_dev = mac_dev->phy_dev; + struct fman_mac *fman_mac; + bool rx_pause, tx_pause; + int err; - if (!is_init_done(dtsec->dtsec_drv_param)) - return -EINVAL; + fman_mac = mac_dev->fman_mac; + if (!phy_dev->link) { + dtsec_restart_autoneg(fman_mac); - *mac_version = ioread32be(®s->tsec_id); + return; + } - return 0; + dtsec_adjust_link(fman_mac, phy_dev->speed); + mac_dev->update_speed(mac_dev, phy_dev->speed); + fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause); + err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause); + if (err < 0) + dev_err(mac_dev->dev, "fman_set_mac_active_pause() = %d\n", + err); } -int dtsec_set_exception(struct fman_mac *dtsec, - enum fman_mac_exceptions exception, bool enable) +static int dtsec_set_exception(struct fman_mac *dtsec, + enum fman_mac_exceptions exception, bool enable) { struct dtsec_regs __iomem *regs = dtsec->regs; u32 bit_mask = 0; @@ -1387,13 +1306,12 @@ int dtsec_set_exception(struct fman_mac *dtsec, return 0; } -int dtsec_init(struct fman_mac *dtsec) +static int dtsec_init(struct fman_mac *dtsec) { struct dtsec_regs __iomem *regs = dtsec->regs; struct dtsec_cfg *dtsec_drv_param; - int err; u16 max_frm_ln; - enet_addr_t eth_addr; + int err; if (is_init_done(dtsec->dtsec_drv_param)) return -EINVAL; @@ -1410,10 +1328,8 @@ int dtsec_init(struct fman_mac *dtsec) dtsec_drv_param = dtsec->dtsec_drv_param; - MAKE_ENET_ADDR_FROM_UINT64(dtsec->addr, eth_addr); - err = init(dtsec->regs, dtsec_drv_param, dtsec->phy_if, - dtsec->max_speed, (u8 *)eth_addr, dtsec->exceptions, + dtsec->max_speed, dtsec->addr, dtsec->exceptions, dtsec->tbiphy->mdio.addr); if (err) { free_init_resources(dtsec); @@ -1484,7 +1400,7 @@ int dtsec_init(struct fman_mac *dtsec) return 0; } -int dtsec_free(struct fman_mac *dtsec) +static int dtsec_free(struct fman_mac *dtsec) { free_init_resources(dtsec); @@ -1495,13 +1411,11 @@ int dtsec_free(struct fman_mac *dtsec) return 0; } -struct fman_mac *dtsec_config(struct fman_mac_params *params) +static struct fman_mac *dtsec_config(struct mac_device *mac_dev, + struct fman_mac_params *params) { struct fman_mac *dtsec; struct dtsec_cfg *dtsec_drv_param; - void __iomem *base_addr; - - base_addr = params->base_addr; /* allocate memory for the UCC GETH data structure. */ dtsec = kzalloc(sizeof(*dtsec), GFP_KERNEL); @@ -1518,10 +1432,10 @@ struct fman_mac *dtsec_config(struct fman_mac_params *params) set_dflts(dtsec_drv_param); - dtsec->regs = base_addr; - dtsec->addr = ENET_ADDR_TO_UINT64(params->addr); + dtsec->regs = mac_dev->vaddr; + dtsec->addr = ENET_ADDR_TO_UINT64(mac_dev->addr); dtsec->max_speed = params->max_speed; - dtsec->phy_if = params->phy_if; + dtsec->phy_if = mac_dev->phy_if; dtsec->mac_id = params->mac_id; dtsec->exceptions = (DTSEC_IMASK_BREN | DTSEC_IMASK_RXCEN | @@ -1538,34 +1452,87 @@ struct fman_mac *dtsec_config(struct fman_mac_params *params) DTSEC_IMASK_RDPEEN); dtsec->exception_cb = params->exception_cb; dtsec->event_cb = params->event_cb; - dtsec->dev_id = params->dev_id; + dtsec->dev_id = mac_dev; dtsec->ptp_tsu_enabled = dtsec->dtsec_drv_param->ptp_tsu_en; dtsec->en_tsu_err_exception = dtsec->dtsec_drv_param->ptp_exception_en; dtsec->fm = params->fm; dtsec->basex_if = params->basex_if; - if (!params->internal_phy_node) { + /* Save FMan revision */ + fman_get_revision(dtsec->fm, &dtsec->fm_rev_info); + + return dtsec; + +err_dtsec: + kfree(dtsec); + return NULL; +} + +int dtsec_initialization(struct mac_device *mac_dev, + struct device_node *mac_node, + struct fman_mac_params *params) +{ + int err; + struct fman_mac *dtsec; + struct device_node *phy_node; + + mac_dev->set_promisc = dtsec_set_promiscuous; + mac_dev->change_addr = dtsec_modify_mac_address; + mac_dev->add_hash_mac_addr = dtsec_add_hash_mac_address; + mac_dev->remove_hash_mac_addr = dtsec_del_hash_mac_address; + mac_dev->set_tx_pause = dtsec_set_tx_pause_frames; + mac_dev->set_rx_pause = dtsec_accept_rx_pause_frames; + mac_dev->set_exception = dtsec_set_exception; + mac_dev->set_allmulti = dtsec_set_allmulti; + mac_dev->set_tstamp = dtsec_set_tstamp; + mac_dev->set_multi = fman_set_multi; + mac_dev->adjust_link = adjust_link_dtsec; + mac_dev->enable = dtsec_enable; + mac_dev->disable = dtsec_disable; + + mac_dev->fman_mac = dtsec_config(mac_dev, params); + if (!mac_dev->fman_mac) { + err = -EINVAL; + goto _return; + } + + dtsec = mac_dev->fman_mac; + dtsec->dtsec_drv_param->maximum_frame = fman_get_max_frm(); + dtsec->dtsec_drv_param->tx_pad_crc = true; + + phy_node = of_parse_phandle(mac_node, "tbi-handle", 0); + if (!phy_node) { pr_err("TBI PHY node is not available\n"); - goto err_dtsec_drv_param; + err = -EINVAL; + goto _return_fm_mac_free; } - dtsec->tbiphy = of_phy_find_device(params->internal_phy_node); + dtsec->tbiphy = of_phy_find_device(phy_node); if (!dtsec->tbiphy) { pr_err("of_phy_find_device (TBI PHY) failed\n"); - goto err_dtsec_drv_param; + err = -EINVAL; + goto _return_fm_mac_free; } - put_device(&dtsec->tbiphy->mdio.dev); - /* Save FMan revision */ - fman_get_revision(dtsec->fm, &dtsec->fm_rev_info); + err = dtsec_init(dtsec); + if (err < 0) + goto _return_fm_mac_free; - return dtsec; + /* For 1G MAC, disable by default the MIB counters overflow interrupt */ + err = dtsec_set_exception(dtsec, FM_MAC_EX_1G_RX_MIB_CNT_OVFL, false); + if (err < 0) + goto _return_fm_mac_free; -err_dtsec_drv_param: - kfree(dtsec_drv_param); -err_dtsec: - kfree(dtsec); - return NULL; + dev_info(mac_dev->dev, "FMan dTSEC version: 0x%08x\n", + ioread32be(&dtsec->regs->tsec_id)); + + goto _return; + +_return_fm_mac_free: + dtsec_free(dtsec); + +_return: + return err; } diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.h b/drivers/net/ethernet/freescale/fman/fman_dtsec.h index 5149d96ec2c1..8c72d280c51a 100644 --- a/drivers/net/ethernet/freescale/fman/fman_dtsec.h +++ b/drivers/net/ethernet/freescale/fman/fman_dtsec.h @@ -1,33 +1,6 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ /* - * Copyright 2008-2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. + * Copyright 2008 - 2015 Freescale Semiconductor Inc. */ #ifndef __DTSEC_H @@ -35,27 +8,10 @@ #include "fman_mac.h" -struct fman_mac *dtsec_config(struct fman_mac_params *params); -int dtsec_set_promiscuous(struct fman_mac *dtsec, bool new_val); -int dtsec_modify_mac_address(struct fman_mac *dtsec, enet_addr_t *enet_addr); -int dtsec_adjust_link(struct fman_mac *dtsec, - u16 speed); -int dtsec_restart_autoneg(struct fman_mac *dtsec); -int dtsec_cfg_max_frame_len(struct fman_mac *dtsec, u16 new_val); -int dtsec_cfg_pad_and_crc(struct fman_mac *dtsec, bool new_val); -int dtsec_enable(struct fman_mac *dtsec, enum comm_mode mode); -int dtsec_disable(struct fman_mac *dtsec, enum comm_mode mode); -int dtsec_init(struct fman_mac *dtsec); -int dtsec_free(struct fman_mac *dtsec); -int dtsec_accept_rx_pause_frames(struct fman_mac *dtsec, bool en); -int dtsec_set_tx_pause_frames(struct fman_mac *dtsec, u8 priority, - u16 pause_time, u16 thresh_time); -int dtsec_set_exception(struct fman_mac *dtsec, - enum fman_mac_exceptions exception, bool enable); -int dtsec_add_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr); -int dtsec_del_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr); -int dtsec_get_version(struct fman_mac *dtsec, u32 *mac_version); -int dtsec_set_allmulti(struct fman_mac *dtsec, bool enable); -int dtsec_set_tstamp(struct fman_mac *dtsec, bool enable); +struct mac_device; + +int dtsec_initialization(struct mac_device *mac_dev, + struct device_node *mac_node, + struct fman_mac_params *params); #endif /* __DTSEC_H */ diff --git a/drivers/net/ethernet/freescale/fman/fman_keygen.c b/drivers/net/ethernet/freescale/fman/fman_keygen.c index e1bdfed16134..e73f6ef3c6ee 100644 --- a/drivers/net/ethernet/freescale/fman/fman_keygen.c +++ b/drivers/net/ethernet/freescale/fman/fman_keygen.c @@ -1,33 +1,6 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later /* * Copyright 2017 NXP - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of NXP nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY NXP ``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 NXP 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. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/net/ethernet/freescale/fman/fman_keygen.h b/drivers/net/ethernet/freescale/fman/fman_keygen.h index c4640de3f4cb..2cb0df453074 100644 --- a/drivers/net/ethernet/freescale/fman/fman_keygen.h +++ b/drivers/net/ethernet/freescale/fman/fman_keygen.h @@ -1,33 +1,6 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ /* * Copyright 2017 NXP - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of NXP nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY NXP ``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 NXP 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. */ #ifndef __KEYGEN_H diff --git a/drivers/net/ethernet/freescale/fman/fman_mac.h b/drivers/net/ethernet/freescale/fman/fman_mac.h index dd6d0526f6c1..65887a3160d7 100644 --- a/drivers/net/ethernet/freescale/fman/fman_mac.h +++ b/drivers/net/ethernet/freescale/fman/fman_mac.h @@ -41,6 +41,7 @@ #include <linux/if_ether.h> struct fman_mac; +struct mac_device; /* Ethernet Address */ typedef u8 enet_addr_t[ETH_ALEN]; @@ -75,16 +76,6 @@ typedef u8 enet_addr_t[ETH_ALEN]; #define ETH_HASH_ENTRY_OBJ(ptr) \ hlist_entry_safe(ptr, struct eth_hash_entry, node) -/* Enumeration (bit flags) of communication modes (Transmit, - * receive or both). - */ -enum comm_mode { - COMM_MODE_NONE = 0, /* No transmit/receive communication */ - COMM_MODE_RX = 1, /* Only receive communication */ - COMM_MODE_TX = 2, /* Only transmit communication */ - COMM_MODE_RX_AND_TX = 3 /* Both transmit and receive communication */ -}; - /* FM MAC Exceptions */ enum fman_mac_exceptions { FM_MAC_EX_10G_MDIO_SCAN_EVENT = 0 @@ -168,30 +159,23 @@ struct eth_hash_entry { struct list_head node; }; -typedef void (fman_mac_exception_cb)(void *dev_id, - enum fman_mac_exceptions exceptions); +typedef void (fman_mac_exception_cb)(struct mac_device *dev_id, + enum fman_mac_exceptions exceptions); /* FMan MAC config input */ struct fman_mac_params { - /* Base of memory mapped FM MAC registers */ - void __iomem *base_addr; - /* MAC address of device; First octet is sent first */ - enet_addr_t addr; /* MAC ID; numbering of dTSEC and 1G-mEMAC: * 0 - FM_MAX_NUM_OF_1G_MACS; * numbering of 10G-MAC (TGEC) and 10G-mEMAC: * 0 - FM_MAX_NUM_OF_10G_MACS */ u8 mac_id; - /* PHY interface */ - phy_interface_t phy_if; /* Note that the speed should indicate the maximum rate that * this MAC should support rather than the actual speed; */ u16 max_speed; /* A handle to the FM object this port related to */ void *fm; - void *dev_id; /* device cookie used by the exception cbs */ fman_mac_exception_cb *event_cb; /* MDIO Events Callback Routine */ fman_mac_exception_cb *exception_cb;/* Exception Callback Routine */ /* SGMII/QSGII interface with 1000BaseX auto-negotiation between MAC @@ -200,8 +184,6 @@ struct fman_mac_params { * synchronize with far-end phy at 10Mbps, 100Mbps or 1000Mbps */ bool basex_if; - /* Pointer to TBI/PCS PHY node, used for TBI/PCS PHY access */ - struct device_node *internal_phy_node; }; struct eth_hash_t { @@ -252,7 +234,7 @@ static inline struct eth_hash_t *alloc_hash_table(u16 size) struct eth_hash_t *hash; /* Allocate address hash table */ - hash = kmalloc_array(size, sizeof(struct eth_hash_t *), GFP_KERNEL); + hash = kmalloc(sizeof(*hash), GFP_KERNEL); if (!hash) return NULL; diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c index e1901874c19f..32d26cf17843 100644 --- a/drivers/net/ethernet/freescale/fman/fman_memac.c +++ b/drivers/net/ethernet/freescale/fman/fman_memac.c @@ -1,39 +1,13 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later /* - * Copyright 2008-2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. + * Copyright 2008 - 2015 Freescale Semiconductor Inc. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include "fman_memac.h" #include "fman.h" +#include "mac.h" #include <linux/slab.h> #include <linux/io.h> @@ -111,6 +85,7 @@ do { \ #define IF_MODE_MASK 0x00000003 /* 30-31 Mask on i/f mode bits */ #define IF_MODE_10G 0x00000000 /* 30-31 10G interface */ +#define IF_MODE_MII 0x00000001 /* 30-31 MII interface */ #define IF_MODE_GMII 0x00000002 /* 30-31 GMII (1G) interface */ #define IF_MODE_RGMII 0x00000004 #define IF_MODE_RGMII_AUTO 0x00008000 @@ -336,7 +311,7 @@ struct fman_mac { /* Ethernet physical interface */ phy_interface_t phy_if; u16 max_speed; - void *dev_id; /* device cookie used by the exception cbs */ + struct mac_device *dev_id; /* device cookie used by the exception cbs */ fman_mac_exception_cb *exception_cb; fman_mac_exception_cb *event_cb; /* Pointer to driver's global address hash table */ @@ -353,7 +328,7 @@ struct fman_mac { bool allmulti_enabled; }; -static void add_addr_in_paddr(struct memac_regs __iomem *regs, u8 *adr, +static void add_addr_in_paddr(struct memac_regs __iomem *regs, const u8 *adr, u8 paddr_num) { u32 tmp0, tmp1; @@ -442,6 +417,9 @@ static int init(struct memac_regs __iomem *regs, struct memac_cfg *cfg, case PHY_INTERFACE_MODE_XGMII: tmp |= IF_MODE_10G; break; + case PHY_INTERFACE_MODE_MII: + tmp |= IF_MODE_MII; + break; default: tmp |= IF_MODE_GMII; if (phy_if == PHY_INTERFACE_MODE_RGMII || @@ -528,7 +506,7 @@ static void setup_sgmii_internal_phy(struct fman_mac *memac, case 100: tmp_reg16 |= IF_MODE_SGMII_SPEED_100M; break; - case 1000: /* fallthrough */ + case 1000: default: tmp_reg16 |= IF_MODE_SGMII_SPEED_1G; break; @@ -596,10 +574,6 @@ static void setup_sgmii_internal_phy_base_x(struct fman_mac *memac) static int check_init_parameters(struct fman_mac *memac) { - if (memac->addr == 0) { - pr_err("Ethernet MAC must have a valid MAC address\n"); - return -EINVAL; - } if (!memac->exception_cb) { pr_err("Uninitialized exception handler\n"); return -EINVAL; @@ -712,7 +686,7 @@ static bool is_init_done(struct memac_cfg *memac_drv_params) return false; } -int memac_enable(struct fman_mac *memac, enum comm_mode mode) +static int memac_enable(struct fman_mac *memac) { struct memac_regs __iomem *regs = memac->regs; u32 tmp; @@ -721,36 +695,26 @@ int memac_enable(struct fman_mac *memac, enum comm_mode mode) return -EINVAL; tmp = ioread32be(®s->command_config); - if (mode & COMM_MODE_RX) - tmp |= CMD_CFG_RX_EN; - if (mode & COMM_MODE_TX) - tmp |= CMD_CFG_TX_EN; - + tmp |= CMD_CFG_RX_EN | CMD_CFG_TX_EN; iowrite32be(tmp, ®s->command_config); return 0; } -int memac_disable(struct fman_mac *memac, enum comm_mode mode) +static void memac_disable(struct fman_mac *memac) + { struct memac_regs __iomem *regs = memac->regs; u32 tmp; - if (!is_init_done(memac->memac_drv_param)) - return -EINVAL; + WARN_ON_ONCE(!is_init_done(memac->memac_drv_param)); tmp = ioread32be(®s->command_config); - if (mode & COMM_MODE_RX) - tmp &= ~CMD_CFG_RX_EN; - if (mode & COMM_MODE_TX) - tmp &= ~CMD_CFG_TX_EN; - + tmp &= ~(CMD_CFG_RX_EN | CMD_CFG_TX_EN); iowrite32be(tmp, ®s->command_config); - - return 0; } -int memac_set_promiscuous(struct fman_mac *memac, bool new_val) +static int memac_set_promiscuous(struct fman_mac *memac, bool new_val) { struct memac_regs __iomem *regs = memac->regs; u32 tmp; @@ -769,7 +733,7 @@ int memac_set_promiscuous(struct fman_mac *memac, bool new_val) return 0; } -int memac_adjust_link(struct fman_mac *memac, u16 speed) +static int memac_adjust_link(struct fman_mac *memac, u16 speed) { struct memac_regs __iomem *regs = memac->regs; u32 tmp; @@ -782,7 +746,7 @@ int memac_adjust_link(struct fman_mac *memac, u16 speed) /* Set full duplex */ tmp &= ~IF_MODE_HD; - if (memac->phy_if == PHY_INTERFACE_MODE_RGMII) { + if (phy_interface_mode_is_rgmii(memac->phy_if)) { /* Configure RGMII in manual mode */ tmp &= ~IF_MODE_RGMII_AUTO; tmp &= ~IF_MODE_RGMII_SP_MASK; @@ -809,39 +773,26 @@ int memac_adjust_link(struct fman_mac *memac, u16 speed) return 0; } -int memac_cfg_max_frame_len(struct fman_mac *memac, u16 new_val) -{ - if (is_init_done(memac->memac_drv_param)) - return -EINVAL; - - memac->memac_drv_param->max_frame_length = new_val; - - return 0; -} - -int memac_cfg_reset_on_init(struct fman_mac *memac, bool enable) -{ - if (is_init_done(memac->memac_drv_param)) - return -EINVAL; - - memac->memac_drv_param->reset_on_init = enable; - - return 0; -} - -int memac_cfg_fixed_link(struct fman_mac *memac, - struct fixed_phy_status *fixed_link) +static void adjust_link_memac(struct mac_device *mac_dev) { - if (is_init_done(memac->memac_drv_param)) - return -EINVAL; + struct phy_device *phy_dev = mac_dev->phy_dev; + struct fman_mac *fman_mac; + bool rx_pause, tx_pause; + int err; - memac->memac_drv_param->fixed_link = fixed_link; + fman_mac = mac_dev->fman_mac; + memac_adjust_link(fman_mac, phy_dev->speed); + mac_dev->update_speed(mac_dev, phy_dev->speed); - return 0; + fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause); + err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause); + if (err < 0) + dev_err(mac_dev->dev, "fman_set_mac_active_pause() = %d\n", + err); } -int memac_set_tx_pause_frames(struct fman_mac *memac, u8 priority, - u16 pause_time, u16 thresh_time) +static int memac_set_tx_pause_frames(struct fman_mac *memac, u8 priority, + u16 pause_time, u16 thresh_time) { struct memac_regs __iomem *regs = memac->regs; u32 tmp; @@ -856,7 +807,6 @@ int memac_set_tx_pause_frames(struct fman_mac *memac, u8 priority, tmp = ioread32be(®s->command_config); tmp &= ~CMD_CFG_PFC_MODE; - priority = 0; iowrite32be(tmp, ®s->command_config); @@ -879,7 +829,7 @@ int memac_set_tx_pause_frames(struct fman_mac *memac, u8 priority, return 0; } -int memac_accept_rx_pause_frames(struct fman_mac *memac, bool en) +static int memac_accept_rx_pause_frames(struct fman_mac *memac, bool en) { struct memac_regs __iomem *regs = memac->regs; u32 tmp; @@ -898,17 +848,19 @@ int memac_accept_rx_pause_frames(struct fman_mac *memac, bool en) return 0; } -int memac_modify_mac_address(struct fman_mac *memac, enet_addr_t *enet_addr) +static int memac_modify_mac_address(struct fman_mac *memac, + const enet_addr_t *enet_addr) { if (!is_init_done(memac->memac_drv_param)) return -EINVAL; - add_addr_in_paddr(memac->regs, (u8 *)(*enet_addr), 0); + add_addr_in_paddr(memac->regs, (const u8 *)(*enet_addr), 0); return 0; } -int memac_add_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr) +static int memac_add_hash_mac_address(struct fman_mac *memac, + enet_addr_t *eth_addr) { struct memac_regs __iomem *regs = memac->regs; struct eth_hash_entry *hash_entry; @@ -941,7 +893,7 @@ int memac_add_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr) return 0; } -int memac_set_allmulti(struct fman_mac *memac, bool enable) +static int memac_set_allmulti(struct fman_mac *memac, bool enable) { u32 entry; struct memac_regs __iomem *regs = memac->regs; @@ -964,12 +916,13 @@ int memac_set_allmulti(struct fman_mac *memac, bool enable) return 0; } -int memac_set_tstamp(struct fman_mac *memac, bool enable) +static int memac_set_tstamp(struct fman_mac *memac, bool enable) { return 0; /* Always enabled. */ } -int memac_del_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr) +static int memac_del_hash_mac_address(struct fman_mac *memac, + enet_addr_t *eth_addr) { struct memac_regs __iomem *regs = memac->regs; struct eth_hash_entry *hash_entry = NULL; @@ -986,7 +939,7 @@ int memac_del_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr) list_for_each(pos, &memac->multicast_addr_hash->lsts[hash]) { hash_entry = ETH_HASH_ENTRY_OBJ(pos); - if (hash_entry->addr == addr) { + if (hash_entry && hash_entry->addr == addr) { list_del_init(&hash_entry->node); kfree(hash_entry); break; @@ -1002,8 +955,8 @@ int memac_del_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr) return 0; } -int memac_set_exception(struct fman_mac *memac, - enum fman_mac_exceptions exception, bool enable) +static int memac_set_exception(struct fman_mac *memac, + enum fman_mac_exceptions exception, bool enable) { u32 bit_mask = 0; @@ -1025,13 +978,13 @@ int memac_set_exception(struct fman_mac *memac, return 0; } -int memac_init(struct fman_mac *memac) +static int memac_init(struct fman_mac *memac) { struct memac_cfg *memac_drv_param; u8 i; enet_addr_t eth_addr; bool slow_10g_if = false; - struct fixed_phy_status *fixed_link; + struct fixed_phy_status *fixed_link = NULL; int err; u32 reg32 = 0; @@ -1057,8 +1010,10 @@ int memac_init(struct fman_mac *memac) } /* MAC Address */ - MAKE_ENET_ADDR_FROM_UINT64(memac->addr, eth_addr); - add_addr_in_paddr(memac->regs, (u8 *)eth_addr, 0); + if (memac->addr != 0) { + MAKE_ENET_ADDR_FROM_UINT64(memac->addr, eth_addr); + add_addr_in_paddr(memac->regs, (const u8 *)eth_addr, 0); + } fixed_link = memac_drv_param->fixed_link; @@ -1140,7 +1095,7 @@ int memac_init(struct fman_mac *memac) return 0; } -int memac_free(struct fman_mac *memac) +static int memac_free(struct fman_mac *memac) { free_init_resources(memac); @@ -1153,13 +1108,12 @@ int memac_free(struct fman_mac *memac) return 0; } -struct fman_mac *memac_config(struct fman_mac_params *params) +static struct fman_mac *memac_config(struct mac_device *mac_dev, + struct fman_mac_params *params) { struct fman_mac *memac; struct memac_cfg *memac_drv_param; - void __iomem *base_addr; - base_addr = params->base_addr; /* allocate memory for the m_emac data structure */ memac = kzalloc(sizeof(*memac), GFP_KERNEL); if (!memac) @@ -1177,38 +1131,121 @@ struct fman_mac *memac_config(struct fman_mac_params *params) set_dflts(memac_drv_param); - memac->addr = ENET_ADDR_TO_UINT64(params->addr); + memac->addr = ENET_ADDR_TO_UINT64(mac_dev->addr); - memac->regs = base_addr; + memac->regs = mac_dev->vaddr; memac->max_speed = params->max_speed; - memac->phy_if = params->phy_if; + memac->phy_if = mac_dev->phy_if; memac->mac_id = params->mac_id; memac->exceptions = (MEMAC_IMASK_TSECC_ER | MEMAC_IMASK_TECC_ER | MEMAC_IMASK_RECC_ER | MEMAC_IMASK_MGI); memac->exception_cb = params->exception_cb; memac->event_cb = params->event_cb; - memac->dev_id = params->dev_id; + memac->dev_id = mac_dev; memac->fm = params->fm; memac->basex_if = params->basex_if; /* Save FMan revision */ fman_get_revision(memac->fm, &memac->fm_rev_info); + return memac; +} + +int memac_initialization(struct mac_device *mac_dev, + struct device_node *mac_node, + struct fman_mac_params *params) +{ + int err; + struct device_node *phy_node; + struct fixed_phy_status *fixed_link; + struct fman_mac *memac; + + mac_dev->set_promisc = memac_set_promiscuous; + mac_dev->change_addr = memac_modify_mac_address; + mac_dev->add_hash_mac_addr = memac_add_hash_mac_address; + mac_dev->remove_hash_mac_addr = memac_del_hash_mac_address; + mac_dev->set_tx_pause = memac_set_tx_pause_frames; + mac_dev->set_rx_pause = memac_accept_rx_pause_frames; + mac_dev->set_exception = memac_set_exception; + mac_dev->set_allmulti = memac_set_allmulti; + mac_dev->set_tstamp = memac_set_tstamp; + mac_dev->set_multi = fman_set_multi; + mac_dev->adjust_link = adjust_link_memac; + mac_dev->enable = memac_enable; + mac_dev->disable = memac_disable; + + if (params->max_speed == SPEED_10000) + mac_dev->phy_if = PHY_INTERFACE_MODE_XGMII; + + mac_dev->fman_mac = memac_config(mac_dev, params); + if (!mac_dev->fman_mac) { + err = -EINVAL; + goto _return; + } + + memac = mac_dev->fman_mac; + memac->memac_drv_param->max_frame_length = fman_get_max_frm(); + memac->memac_drv_param->reset_on_init = true; if (memac->phy_if == PHY_INTERFACE_MODE_SGMII || memac->phy_if == PHY_INTERFACE_MODE_QSGMII) { - if (!params->internal_phy_node) { + phy_node = of_parse_phandle(mac_node, "pcsphy-handle", 0); + if (!phy_node) { pr_err("PCS PHY node is not available\n"); - memac_free(memac); - return NULL; + err = -EINVAL; + goto _return_fm_mac_free; } - memac->pcsphy = of_phy_find_device(params->internal_phy_node); + memac->pcsphy = of_phy_find_device(phy_node); if (!memac->pcsphy) { pr_err("of_phy_find_device (PCS PHY) failed\n"); - memac_free(memac); - return NULL; + err = -EINVAL; + goto _return_fm_mac_free; } } - return memac; + if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) { + struct phy_device *phy; + + err = of_phy_register_fixed_link(mac_node); + if (err) + goto _return_fm_mac_free; + + fixed_link = kzalloc(sizeof(*fixed_link), GFP_KERNEL); + if (!fixed_link) { + err = -ENOMEM; + goto _return_fm_mac_free; + } + + mac_dev->phy_node = of_node_get(mac_node); + phy = of_phy_find_device(mac_dev->phy_node); + if (!phy) { + err = -EINVAL; + of_node_put(mac_dev->phy_node); + goto _return_fixed_link_free; + } + + fixed_link->link = phy->link; + fixed_link->speed = phy->speed; + fixed_link->duplex = phy->duplex; + fixed_link->pause = phy->pause; + fixed_link->asym_pause = phy->asym_pause; + + put_device(&phy->mdio.dev); + memac->memac_drv_param->fixed_link = fixed_link; + } + + err = memac_init(mac_dev->fman_mac); + if (err < 0) + goto _return_fixed_link_free; + + dev_info(mac_dev->dev, "FMan MEMAC\n"); + + goto _return; + +_return_fixed_link_free: + kfree(fixed_link); +_return_fm_mac_free: + memac_free(mac_dev->fman_mac); +_return: + return err; } diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.h b/drivers/net/ethernet/freescale/fman/fman_memac.h index b2c671ec0ce7..5a3a14f9684f 100644 --- a/drivers/net/ethernet/freescale/fman/fman_memac.h +++ b/drivers/net/ethernet/freescale/fman/fman_memac.h @@ -1,33 +1,6 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ /* - * Copyright 2008-2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. + * Copyright 2008 - 2015 Freescale Semiconductor Inc. */ #ifndef __MEMAC_H @@ -38,26 +11,10 @@ #include <linux/netdevice.h> #include <linux/phy_fixed.h> -struct fman_mac *memac_config(struct fman_mac_params *params); -int memac_set_promiscuous(struct fman_mac *memac, bool new_val); -int memac_modify_mac_address(struct fman_mac *memac, enet_addr_t *enet_addr); -int memac_adjust_link(struct fman_mac *memac, u16 speed); -int memac_cfg_max_frame_len(struct fman_mac *memac, u16 new_val); -int memac_cfg_reset_on_init(struct fman_mac *memac, bool enable); -int memac_cfg_fixed_link(struct fman_mac *memac, - struct fixed_phy_status *fixed_link); -int memac_enable(struct fman_mac *memac, enum comm_mode mode); -int memac_disable(struct fman_mac *memac, enum comm_mode mode); -int memac_init(struct fman_mac *memac); -int memac_free(struct fman_mac *memac); -int memac_accept_rx_pause_frames(struct fman_mac *memac, bool en); -int memac_set_tx_pause_frames(struct fman_mac *memac, u8 priority, - u16 pause_time, u16 thresh_time); -int memac_set_exception(struct fman_mac *memac, - enum fman_mac_exceptions exception, bool enable); -int memac_add_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr); -int memac_del_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr); -int memac_set_allmulti(struct fman_mac *memac, bool enable); -int memac_set_tstamp(struct fman_mac *memac, bool enable); +struct mac_device; + +int memac_initialization(struct mac_device *mac_dev, + struct device_node *mac_node, + struct fman_mac_params *params); #endif /* __MEMAC_H */ diff --git a/drivers/net/ethernet/freescale/fman/fman_muram.c b/drivers/net/ethernet/freescale/fman/fman_muram.c index 5ec94d243da0..f557d68e5b76 100644 --- a/drivers/net/ethernet/freescale/fman/fman_muram.c +++ b/drivers/net/ethernet/freescale/fman/fman_muram.c @@ -1,33 +1,6 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later /* - * Copyright 2008-2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. + * Copyright 2008 - 2015 Freescale Semiconductor Inc. */ #include "fman_muram.h" @@ -144,9 +117,9 @@ unsigned long fman_muram_alloc(struct muram_info *muram, size_t size) /** * fman_muram_free_mem - * muram: FM-MURAM module pointer. - * offset: offset of the memory region to be freed. - * size: size of the memory to be freed. + * @muram: FM-MURAM module pointer. + * @offset: offset of the memory region to be freed. + * @size: size of the memory to be freed. * * Free an allocated memory from FM-MURAM partition. */ diff --git a/drivers/net/ethernet/freescale/fman/fman_muram.h b/drivers/net/ethernet/freescale/fman/fman_muram.h index 453bf849eee1..3643af61bae2 100644 --- a/drivers/net/ethernet/freescale/fman/fman_muram.h +++ b/drivers/net/ethernet/freescale/fman/fman_muram.h @@ -1,34 +1,8 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ /* - * Copyright 2008-2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. + * Copyright 2008 - 2015 Freescale Semiconductor Inc. */ + #ifndef __FM_MURAM_EXT #define __FM_MURAM_EXT diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c index 87b26f063cc8..ab90fe2bee5e 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.c +++ b/drivers/net/ethernet/freescale/fman/fman_port.c @@ -1,33 +1,6 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later /* * Copyright 2008 - 2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -1344,10 +1317,10 @@ int fman_port_config(struct fman_port *port, struct fman_port_params *params) switch (port->port_type) { case FMAN_PORT_TYPE_RX: set_rx_dflt_cfg(port, params); - /* fall through */ + fallthrough; case FMAN_PORT_TYPE_TX: set_tx_dflt_cfg(port, params, &port->dts_params); - /* fall through */ + fallthrough; default: set_dflt_cfg(port, params); } @@ -1410,9 +1383,11 @@ err_port_cfg: } EXPORT_SYMBOL(fman_port_config); -/** +/* * fman_port_use_kg_hash - * port: A pointer to a FM Port module. + * @port: A pointer to a FM Port module. + * @enable: enable or disable + * * Sets the HW KeyGen or the BMI as HW Parser next engine, enabling * or bypassing the KeyGen hashing of Rx traffic */ @@ -1430,7 +1405,8 @@ EXPORT_SYMBOL(fman_port_use_kg_hash); /** * fman_port_init - * port: A pointer to a FM Port module. + * @port: A pointer to a FM Port module. + * * Initializes the FM PORT module by defining the software structure and * configuring the hardware registers. * @@ -1524,8 +1500,8 @@ EXPORT_SYMBOL(fman_port_init); /** * fman_port_cfg_buf_prefix_content - * @port A pointer to a FM Port module. - * @buffer_prefix_content A structure of parameters describing + * @port: A pointer to a FM Port module. + * @buffer_prefix_content: A structure of parameters describing * the structure of the buffer. * Out parameter: * Start margin - offset of data from @@ -1570,7 +1546,7 @@ EXPORT_SYMBOL(fman_port_cfg_buf_prefix_content); /** * fman_port_disable - * port: A pointer to a FM Port module. + * @port: A pointer to a FM Port module. * * Gracefully disable an FM port. The port will not start new tasks after all * tasks associated with the port are terminated. @@ -1651,7 +1627,7 @@ EXPORT_SYMBOL(fman_port_disable); /** * fman_port_enable - * port: A pointer to a FM Port module. + * @port: A pointer to a FM Port module. * * A runtime routine provided to allow disable/enable of port. * @@ -1697,7 +1673,7 @@ EXPORT_SYMBOL(fman_port_enable); /** * fman_port_bind - * dev: FMan Port OF device pointer + * @dev: FMan Port OF device pointer * * Bind to a specific FMan Port. * @@ -1713,7 +1689,7 @@ EXPORT_SYMBOL(fman_port_bind); /** * fman_port_get_qman_channel_id - * port: Pointer to the FMan port devuce + * @port: Pointer to the FMan port devuce * * Get the QMan channel ID for the specific port * @@ -1727,7 +1703,7 @@ EXPORT_SYMBOL(fman_port_get_qman_channel_id); /** * fman_port_get_device - * port: Pointer to the FMan port device + * @port: Pointer to the FMan port device * * Get the 'struct device' associated to the specified FMan port device * @@ -1767,6 +1743,7 @@ static int fman_port_probe(struct platform_device *of_dev) struct fman_port *port; struct fman *fman; struct device_node *fm_node, *port_node; + struct platform_device *fm_pdev; struct resource res; struct resource *dev_res; u32 val; @@ -1791,19 +1768,25 @@ static int fman_port_probe(struct platform_device *of_dev) goto return_err; } - fman = dev_get_drvdata(&of_find_device_by_node(fm_node)->dev); + fm_pdev = of_find_device_by_node(fm_node); of_node_put(fm_node); - if (!fman) { + if (!fm_pdev) { err = -EINVAL; goto return_err; } + fman = dev_get_drvdata(&fm_pdev->dev); + if (!fman) { + err = -EINVAL; + goto put_device; + } + err = of_property_read_u32(port_node, "cell-index", &val); if (err) { dev_err(port->dev, "%s: reading cell-index for %pOF failed\n", __func__, port_node); err = -EINVAL; - goto return_err; + goto put_device; } port_id = (u8)val; port->dts_params.id = port_id; @@ -1837,7 +1820,7 @@ static int fman_port_probe(struct platform_device *of_dev) } else { dev_err(port->dev, "%s: Illegal port type\n", __func__); err = -EINVAL; - goto return_err; + goto put_device; } port->dts_params.type = port_type; @@ -1851,7 +1834,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: incorrect qman-channel-id\n", __func__); err = -EINVAL; - goto return_err; + goto put_device; } port->dts_params.qman_channel_id = qman_channel_id; } @@ -1861,7 +1844,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: of_address_to_resource() failed\n", __func__); err = -ENOMEM; - goto return_err; + goto put_device; } port->dts_params.fman = fman; @@ -1886,6 +1869,8 @@ static int fman_port_probe(struct platform_device *of_dev) return 0; +put_device: + put_device(&fm_pdev->dev); return_err: of_node_put(port_node); free_port: diff --git a/drivers/net/ethernet/freescale/fman/fman_port.h b/drivers/net/ethernet/freescale/fman/fman_port.h index 82f12661a46d..4917fe8f0617 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.h +++ b/drivers/net/ethernet/freescale/fman/fman_port.h @@ -1,33 +1,6 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ /* * Copyright 2008 - 2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. */ #ifndef __FMAN_PORT_H diff --git a/drivers/net/ethernet/freescale/fman/fman_sp.c b/drivers/net/ethernet/freescale/fman/fman_sp.c index 248f5bcca468..0fac60aa5283 100644 --- a/drivers/net/ethernet/freescale/fman/fman_sp.c +++ b/drivers/net/ethernet/freescale/fman/fman_sp.c @@ -1,33 +1,6 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later /* * Copyright 2008 - 2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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 "fman_sp.h" diff --git a/drivers/net/ethernet/freescale/fman/fman_sp.h b/drivers/net/ethernet/freescale/fman/fman_sp.h index 820b7f63088f..a62dd21c81f1 100644 --- a/drivers/net/ethernet/freescale/fman/fman_sp.h +++ b/drivers/net/ethernet/freescale/fman/fman_sp.h @@ -1,32 +1,6 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ /* * Copyright 2008 - 2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. */ #ifndef __FM_SP_H diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.c b/drivers/net/ethernet/freescale/fman/fman_tgec.c index f75b9c11b2d2..5a4be54ad459 100644 --- a/drivers/net/ethernet/freescale/fman/fman_tgec.c +++ b/drivers/net/ethernet/freescale/fman/fman_tgec.c @@ -1,39 +1,13 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later /* - * Copyright 2008-2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. + * Copyright 2008 - 2015 Freescale Semiconductor Inc. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include "fman_tgec.h" #include "fman.h" +#include "mac.h" #include <linux/slab.h> #include <linux/bitrev.h> @@ -206,7 +180,7 @@ struct fman_mac { /* MAC address of device; */ u64 addr; u16 max_speed; - void *dev_id; /* device cookie used by the exception cbs */ + struct mac_device *dev_id; /* device cookie used by the exception cbs */ fman_mac_exception_cb *exception_cb; fman_mac_exception_cb *event_cb; /* pointer to driver's global address hash table */ @@ -221,7 +195,7 @@ struct fman_mac { bool allmulti_enabled; }; -static void set_mac_address(struct tgec_regs __iomem *regs, u8 *adr) +static void set_mac_address(struct tgec_regs __iomem *regs, const u8 *adr) { u32 tmp0, tmp1; @@ -273,10 +247,6 @@ static int check_init_parameters(struct fman_mac *tgec) pr_err("10G MAC driver only support 10G speed\n"); return -EINVAL; } - if (tgec->addr == 0) { - pr_err("Ethernet 10G MAC Must have valid MAC Address\n"); - return -EINVAL; - } if (!tgec->exception_cb) { pr_err("uninitialized exception_cb\n"); return -EINVAL; @@ -423,7 +393,7 @@ static bool is_init_done(struct tgec_cfg *cfg) return false; } -int tgec_enable(struct fman_mac *tgec, enum comm_mode mode) +static int tgec_enable(struct fman_mac *tgec) { struct tgec_regs __iomem *regs = tgec->regs; u32 tmp; @@ -432,34 +402,25 @@ int tgec_enable(struct fman_mac *tgec, enum comm_mode mode) return -EINVAL; tmp = ioread32be(®s->command_config); - if (mode & COMM_MODE_RX) - tmp |= CMD_CFG_RX_EN; - if (mode & COMM_MODE_TX) - tmp |= CMD_CFG_TX_EN; + tmp |= CMD_CFG_RX_EN | CMD_CFG_TX_EN; iowrite32be(tmp, ®s->command_config); return 0; } -int tgec_disable(struct fman_mac *tgec, enum comm_mode mode) +static void tgec_disable(struct fman_mac *tgec) { struct tgec_regs __iomem *regs = tgec->regs; u32 tmp; - if (!is_init_done(tgec->cfg)) - return -EINVAL; + WARN_ON_ONCE(!is_init_done(tgec->cfg)); tmp = ioread32be(®s->command_config); - if (mode & COMM_MODE_RX) - tmp &= ~CMD_CFG_RX_EN; - if (mode & COMM_MODE_TX) - tmp &= ~CMD_CFG_TX_EN; + tmp &= ~(CMD_CFG_RX_EN | CMD_CFG_TX_EN); iowrite32be(tmp, ®s->command_config); - - return 0; } -int tgec_set_promiscuous(struct fman_mac *tgec, bool new_val) +static int tgec_set_promiscuous(struct fman_mac *tgec, bool new_val) { struct tgec_regs __iomem *regs = tgec->regs; u32 tmp; @@ -477,18 +438,9 @@ int tgec_set_promiscuous(struct fman_mac *tgec, bool new_val) return 0; } -int tgec_cfg_max_frame_len(struct fman_mac *tgec, u16 new_val) -{ - if (is_init_done(tgec->cfg)) - return -EINVAL; - - tgec->cfg->max_frame_length = new_val; - - return 0; -} - -int tgec_set_tx_pause_frames(struct fman_mac *tgec, u8 __maybe_unused priority, - u16 pause_time, u16 __maybe_unused thresh_time) +static int tgec_set_tx_pause_frames(struct fman_mac *tgec, + u8 __maybe_unused priority, u16 pause_time, + u16 __maybe_unused thresh_time) { struct tgec_regs __iomem *regs = tgec->regs; @@ -500,7 +452,7 @@ int tgec_set_tx_pause_frames(struct fman_mac *tgec, u8 __maybe_unused priority, return 0; } -int tgec_accept_rx_pause_frames(struct fman_mac *tgec, bool en) +static int tgec_accept_rx_pause_frames(struct fman_mac *tgec, bool en) { struct tgec_regs __iomem *regs = tgec->regs; u32 tmp; @@ -518,18 +470,20 @@ int tgec_accept_rx_pause_frames(struct fman_mac *tgec, bool en) return 0; } -int tgec_modify_mac_address(struct fman_mac *tgec, enet_addr_t *p_enet_addr) +static int tgec_modify_mac_address(struct fman_mac *tgec, + const enet_addr_t *p_enet_addr) { if (!is_init_done(tgec->cfg)) return -EINVAL; tgec->addr = ENET_ADDR_TO_UINT64(*p_enet_addr); - set_mac_address(tgec->regs, (u8 *)(*p_enet_addr)); + set_mac_address(tgec->regs, (const u8 *)(*p_enet_addr)); return 0; } -int tgec_add_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr) +static int tgec_add_hash_mac_address(struct fman_mac *tgec, + enet_addr_t *eth_addr) { struct tgec_regs __iomem *regs = tgec->regs; struct eth_hash_entry *hash_entry; @@ -566,7 +520,7 @@ int tgec_add_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr) return 0; } -int tgec_set_allmulti(struct fman_mac *tgec, bool enable) +static int tgec_set_allmulti(struct fman_mac *tgec, bool enable) { u32 entry; struct tgec_regs __iomem *regs = tgec->regs; @@ -589,7 +543,7 @@ int tgec_set_allmulti(struct fman_mac *tgec, bool enable) return 0; } -int tgec_set_tstamp(struct fman_mac *tgec, bool enable) +static int tgec_set_tstamp(struct fman_mac *tgec, bool enable) { struct tgec_regs __iomem *regs = tgec->regs; u32 tmp; @@ -609,7 +563,8 @@ int tgec_set_tstamp(struct fman_mac *tgec, bool enable) return 0; } -int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr) +static int tgec_del_hash_mac_address(struct fman_mac *tgec, + enet_addr_t *eth_addr) { struct tgec_regs __iomem *regs = tgec->regs; struct eth_hash_entry *hash_entry = NULL; @@ -630,7 +585,7 @@ int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr) list_for_each(pos, &tgec->multicast_addr_hash->lsts[hash]) { hash_entry = ETH_HASH_ENTRY_OBJ(pos); - if (hash_entry->addr == addr) { + if (hash_entry && hash_entry->addr == addr) { list_del_init(&hash_entry->node); kfree(hash_entry); break; @@ -646,20 +601,15 @@ int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr) return 0; } -int tgec_get_version(struct fman_mac *tgec, u32 *mac_version) +static void tgec_adjust_link(struct mac_device *mac_dev) { - struct tgec_regs __iomem *regs = tgec->regs; + struct phy_device *phy_dev = mac_dev->phy_dev; - if (!is_init_done(tgec->cfg)) - return -EINVAL; - - *mac_version = ioread32be(®s->tgec_id); - - return 0; + mac_dev->update_speed(mac_dev, phy_dev->speed); } -int tgec_set_exception(struct fman_mac *tgec, - enum fman_mac_exceptions exception, bool enable) +static int tgec_set_exception(struct fman_mac *tgec, + enum fman_mac_exceptions exception, bool enable) { struct tgec_regs __iomem *regs = tgec->regs; u32 bit_mask = 0; @@ -685,7 +635,7 @@ int tgec_set_exception(struct fman_mac *tgec, return 0; } -int tgec_init(struct fman_mac *tgec) +static int tgec_init(struct fman_mac *tgec) { struct tgec_cfg *cfg; enet_addr_t eth_addr; @@ -706,8 +656,10 @@ int tgec_init(struct fman_mac *tgec) cfg = tgec->cfg; - MAKE_ENET_ADDR_FROM_UINT64(tgec->addr, eth_addr); - set_mac_address(tgec->regs, (u8 *)eth_addr); + if (tgec->addr) { + MAKE_ENET_ADDR_FROM_UINT64(tgec->addr, eth_addr); + set_mac_address(tgec->regs, (const u8 *)eth_addr); + } /* interrupts */ /* FM_10G_REM_N_LCL_FLT_EX_10GMAC_ERRATA_SW005 Errata workaround */ @@ -766,7 +718,7 @@ int tgec_init(struct fman_mac *tgec) return 0; } -int tgec_free(struct fman_mac *tgec) +static int tgec_free(struct fman_mac *tgec) { free_init_resources(tgec); @@ -776,13 +728,12 @@ int tgec_free(struct fman_mac *tgec) return 0; } -struct fman_mac *tgec_config(struct fman_mac_params *params) +static struct fman_mac *tgec_config(struct mac_device *mac_dev, + struct fman_mac_params *params) { struct fman_mac *tgec; struct tgec_cfg *cfg; - void __iomem *base_addr; - base_addr = params->base_addr; /* allocate memory for the UCC GETH data structure. */ tgec = kzalloc(sizeof(*tgec), GFP_KERNEL); if (!tgec) @@ -800,8 +751,8 @@ struct fman_mac *tgec_config(struct fman_mac_params *params) set_dflts(cfg); - tgec->regs = base_addr; - tgec->addr = ENET_ADDR_TO_UINT64(params->addr); + tgec->regs = mac_dev->vaddr; + tgec->addr = ENET_ADDR_TO_UINT64(mac_dev->addr); tgec->max_speed = params->max_speed; tgec->mac_id = params->mac_id; tgec->exceptions = (TGEC_IMASK_MDIO_SCAN_EVENT | @@ -821,7 +772,7 @@ struct fman_mac *tgec_config(struct fman_mac_params *params) TGEC_IMASK_RX_ALIGN_ER); tgec->exception_cb = params->exception_cb; tgec->event_cb = params->event_cb; - tgec->dev_id = params->dev_id; + tgec->dev_id = mac_dev; tgec->fm = params->fm; /* Save FMan revision */ @@ -829,3 +780,52 @@ struct fman_mac *tgec_config(struct fman_mac_params *params) return tgec; } + +int tgec_initialization(struct mac_device *mac_dev, + struct device_node *mac_node, + struct fman_mac_params *params) +{ + int err; + struct fman_mac *tgec; + + mac_dev->set_promisc = tgec_set_promiscuous; + mac_dev->change_addr = tgec_modify_mac_address; + mac_dev->add_hash_mac_addr = tgec_add_hash_mac_address; + mac_dev->remove_hash_mac_addr = tgec_del_hash_mac_address; + mac_dev->set_tx_pause = tgec_set_tx_pause_frames; + mac_dev->set_rx_pause = tgec_accept_rx_pause_frames; + mac_dev->set_exception = tgec_set_exception; + mac_dev->set_allmulti = tgec_set_allmulti; + mac_dev->set_tstamp = tgec_set_tstamp; + mac_dev->set_multi = fman_set_multi; + mac_dev->adjust_link = tgec_adjust_link; + mac_dev->enable = tgec_enable; + mac_dev->disable = tgec_disable; + + mac_dev->fman_mac = tgec_config(mac_dev, params); + if (!mac_dev->fman_mac) { + err = -EINVAL; + goto _return; + } + + tgec = mac_dev->fman_mac; + tgec->cfg->max_frame_length = fman_get_max_frm(); + err = tgec_init(tgec); + if (err < 0) + goto _return_fm_mac_free; + + /* For 10G MAC, disable Tx ECC exception */ + err = tgec_set_exception(tgec, FM_MAC_EX_10G_TX_ECC_ER, false); + if (err < 0) + goto _return_fm_mac_free; + + pr_info("FMan XGEC version: 0x%08x\n", + ioread32be(&tgec->regs->tgec_id)); + goto _return; + +_return_fm_mac_free: + tgec_free(mac_dev->fman_mac); + +_return: + return err; +} diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.h b/drivers/net/ethernet/freescale/fman/fman_tgec.h index 3bfd1062b386..768b8d165e05 100644 --- a/drivers/net/ethernet/freescale/fman/fman_tgec.h +++ b/drivers/net/ethernet/freescale/fman/fman_tgec.h @@ -1,33 +1,6 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ /* - * Copyright 2008-2015 Freescale Semiconductor Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. + * Copyright 2008 - 2015 Freescale Semiconductor Inc. */ #ifndef __TGEC_H @@ -35,23 +8,10 @@ #include "fman_mac.h" -struct fman_mac *tgec_config(struct fman_mac_params *params); -int tgec_set_promiscuous(struct fman_mac *tgec, bool new_val); -int tgec_modify_mac_address(struct fman_mac *tgec, enet_addr_t *enet_addr); -int tgec_cfg_max_frame_len(struct fman_mac *tgec, u16 new_val); -int tgec_enable(struct fman_mac *tgec, enum comm_mode mode); -int tgec_disable(struct fman_mac *tgec, enum comm_mode mode); -int tgec_init(struct fman_mac *tgec); -int tgec_free(struct fman_mac *tgec); -int tgec_accept_rx_pause_frames(struct fman_mac *tgec, bool en); -int tgec_set_tx_pause_frames(struct fman_mac *tgec, u8 priority, - u16 pause_time, u16 thresh_time); -int tgec_set_exception(struct fman_mac *tgec, - enum fman_mac_exceptions exception, bool enable); -int tgec_add_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr); -int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr); -int tgec_get_version(struct fman_mac *tgec, u32 *mac_version); -int tgec_set_allmulti(struct fman_mac *tgec, bool enable); -int tgec_set_tstamp(struct fman_mac *tgec, bool enable); +struct mac_device; + +int tgec_initialization(struct mac_device *mac_dev, + struct device_node *mac_node, + struct fman_mac_params *params); #endif /* __TGEC_H */ diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c index 55f2122c3217..13e67f2864be 100644 --- a/drivers/net/ethernet/freescale/fman/mac.c +++ b/drivers/net/ethernet/freescale/fman/mac.c @@ -1,32 +1,6 @@ -/* Copyright 2008-2015 Freescale Semiconductor, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later +/* + * Copyright 2008 - 2015 Freescale Semiconductor Inc. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -54,20 +28,12 @@ MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("FSL FMan MAC API based driver"); struct mac_priv_s { - struct device *dev; - void __iomem *vaddr; u8 cell_index; struct fman *fman; - struct device_node *internal_phy_node; /* List of multicast addresses */ struct list_head mc_addr_list; struct platform_device *eth_dev; - struct fixed_phy_status *fixed_link; u16 speed; - u16 max_speed; - - int (*enable)(struct fman_mac *mac_dev, enum comm_mode mode); - int (*disable)(struct fman_mac *mac_dev, enum comm_mode mode); }; struct mac_address { @@ -75,211 +41,21 @@ struct mac_address { struct list_head list; }; -static void mac_exception(void *handle, enum fman_mac_exceptions ex) +static void mac_exception(struct mac_device *mac_dev, + enum fman_mac_exceptions ex) { - struct mac_device *mac_dev; - struct mac_priv_s *priv; - - mac_dev = handle; - priv = mac_dev->priv; - if (ex == FM_MAC_EX_10G_RX_FIFO_OVFL) { /* don't flag RX FIFO after the first */ mac_dev->set_exception(mac_dev->fman_mac, FM_MAC_EX_10G_RX_FIFO_OVFL, false); - dev_err(priv->dev, "10G MAC got RX FIFO Error = %x\n", ex); + dev_err(mac_dev->dev, "10G MAC got RX FIFO Error = %x\n", ex); } - dev_dbg(priv->dev, "%s:%s() -> %d\n", KBUILD_BASENAME ".c", + dev_dbg(mac_dev->dev, "%s:%s() -> %d\n", KBUILD_BASENAME ".c", __func__, ex); } -static void set_fman_mac_params(struct mac_device *mac_dev, - struct fman_mac_params *params) -{ - struct mac_priv_s *priv = mac_dev->priv; - - params->base_addr = (typeof(params->base_addr)) - devm_ioremap(priv->dev, mac_dev->res->start, - resource_size(mac_dev->res)); - memcpy(¶ms->addr, mac_dev->addr, sizeof(mac_dev->addr)); - params->max_speed = priv->max_speed; - params->phy_if = mac_dev->phy_if; - params->basex_if = false; - params->mac_id = priv->cell_index; - params->fm = (void *)priv->fman; - params->exception_cb = mac_exception; - params->event_cb = mac_exception; - params->dev_id = mac_dev; - params->internal_phy_node = priv->internal_phy_node; -} - -static int tgec_initialization(struct mac_device *mac_dev) -{ - int err; - struct mac_priv_s *priv; - struct fman_mac_params params; - u32 version; - - priv = mac_dev->priv; - - set_fman_mac_params(mac_dev, ¶ms); - - mac_dev->fman_mac = tgec_config(¶ms); - if (!mac_dev->fman_mac) { - err = -EINVAL; - goto _return; - } - - err = tgec_cfg_max_frame_len(mac_dev->fman_mac, fman_get_max_frm()); - if (err < 0) - goto _return_fm_mac_free; - - err = tgec_init(mac_dev->fman_mac); - if (err < 0) - goto _return_fm_mac_free; - - /* For 10G MAC, disable Tx ECC exception */ - err = mac_dev->set_exception(mac_dev->fman_mac, - FM_MAC_EX_10G_TX_ECC_ER, false); - if (err < 0) - goto _return_fm_mac_free; - - err = tgec_get_version(mac_dev->fman_mac, &version); - if (err < 0) - goto _return_fm_mac_free; - - dev_info(priv->dev, "FMan XGEC version: 0x%08x\n", version); - - goto _return; - -_return_fm_mac_free: - tgec_free(mac_dev->fman_mac); - -_return: - return err; -} - -static int dtsec_initialization(struct mac_device *mac_dev) -{ - int err; - struct mac_priv_s *priv; - struct fman_mac_params params; - u32 version; - - priv = mac_dev->priv; - - set_fman_mac_params(mac_dev, ¶ms); - - mac_dev->fman_mac = dtsec_config(¶ms); - if (!mac_dev->fman_mac) { - err = -EINVAL; - goto _return; - } - - err = dtsec_cfg_max_frame_len(mac_dev->fman_mac, fman_get_max_frm()); - if (err < 0) - goto _return_fm_mac_free; - - err = dtsec_cfg_pad_and_crc(mac_dev->fman_mac, true); - if (err < 0) - goto _return_fm_mac_free; - - err = dtsec_init(mac_dev->fman_mac); - if (err < 0) - goto _return_fm_mac_free; - - /* For 1G MAC, disable by default the MIB counters overflow interrupt */ - err = mac_dev->set_exception(mac_dev->fman_mac, - FM_MAC_EX_1G_RX_MIB_CNT_OVFL, false); - if (err < 0) - goto _return_fm_mac_free; - - err = dtsec_get_version(mac_dev->fman_mac, &version); - if (err < 0) - goto _return_fm_mac_free; - - dev_info(priv->dev, "FMan dTSEC version: 0x%08x\n", version); - - goto _return; - -_return_fm_mac_free: - dtsec_free(mac_dev->fman_mac); - -_return: - return err; -} - -static int memac_initialization(struct mac_device *mac_dev) -{ - int err; - struct mac_priv_s *priv; - struct fman_mac_params params; - - priv = mac_dev->priv; - - set_fman_mac_params(mac_dev, ¶ms); - - if (priv->max_speed == SPEED_10000) - params.phy_if = PHY_INTERFACE_MODE_XGMII; - - mac_dev->fman_mac = memac_config(¶ms); - if (!mac_dev->fman_mac) { - err = -EINVAL; - goto _return; - } - - err = memac_cfg_max_frame_len(mac_dev->fman_mac, fman_get_max_frm()); - if (err < 0) - goto _return_fm_mac_free; - - err = memac_cfg_reset_on_init(mac_dev->fman_mac, true); - if (err < 0) - goto _return_fm_mac_free; - - err = memac_cfg_fixed_link(mac_dev->fman_mac, priv->fixed_link); - if (err < 0) - goto _return_fm_mac_free; - - err = memac_init(mac_dev->fman_mac); - if (err < 0) - goto _return_fm_mac_free; - - dev_info(priv->dev, "FMan MEMAC\n"); - - goto _return; - -_return_fm_mac_free: - memac_free(mac_dev->fman_mac); - -_return: - return err; -} - -static int start(struct mac_device *mac_dev) -{ - int err; - struct phy_device *phy_dev = mac_dev->phy_dev; - struct mac_priv_s *priv = mac_dev->priv; - - err = priv->enable(mac_dev->fman_mac, COMM_MODE_RX_AND_TX); - if (!err && phy_dev) - phy_start(phy_dev); - - return err; -} - -static int stop(struct mac_device *mac_dev) -{ - struct mac_priv_s *priv = mac_dev->priv; - - if (mac_dev->phy_dev) - phy_stop(mac_dev->phy_dev); - - return priv->disable(mac_dev->fman_mac, COMM_MODE_RX_AND_TX); -} - -static int set_multi(struct net_device *net_dev, struct mac_device *mac_dev) +int fman_set_multi(struct net_device *net_dev, struct mac_device *mac_dev) { struct mac_priv_s *priv; struct mac_address *old_addr, *tmp; @@ -359,8 +135,8 @@ EXPORT_SYMBOL(fman_set_mac_active_pause); /** * fman_get_pause_cfg * @mac_dev: A pointer to the MAC device - * @rx: Return value for RX setting - * @tx: Return value for TX setting + * @rx_pause: Return value for RX setting + * @tx_pause: Return value for TX setting * * Determine the MAC RX/TX PAUSE frames settings based on PHY * autonegotiation or values set by eththool. @@ -413,109 +189,6 @@ void fman_get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause, } EXPORT_SYMBOL(fman_get_pause_cfg); -static void adjust_link_void(struct mac_device *mac_dev) -{ -} - -static void adjust_link_dtsec(struct mac_device *mac_dev) -{ - struct phy_device *phy_dev = mac_dev->phy_dev; - struct fman_mac *fman_mac; - bool rx_pause, tx_pause; - int err; - - fman_mac = mac_dev->fman_mac; - if (!phy_dev->link) { - dtsec_restart_autoneg(fman_mac); - - return; - } - - dtsec_adjust_link(fman_mac, phy_dev->speed); - fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause); - err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause); - if (err < 0) - dev_err(mac_dev->priv->dev, "fman_set_mac_active_pause() = %d\n", - err); -} - -static void adjust_link_memac(struct mac_device *mac_dev) -{ - struct phy_device *phy_dev = mac_dev->phy_dev; - struct fman_mac *fman_mac; - bool rx_pause, tx_pause; - int err; - - fman_mac = mac_dev->fman_mac; - memac_adjust_link(fman_mac, phy_dev->speed); - - fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause); - err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause); - if (err < 0) - dev_err(mac_dev->priv->dev, "fman_set_mac_active_pause() = %d\n", - err); -} - -static void setup_dtsec(struct mac_device *mac_dev) -{ - mac_dev->init = dtsec_initialization; - mac_dev->set_promisc = dtsec_set_promiscuous; - mac_dev->change_addr = dtsec_modify_mac_address; - mac_dev->add_hash_mac_addr = dtsec_add_hash_mac_address; - mac_dev->remove_hash_mac_addr = dtsec_del_hash_mac_address; - mac_dev->set_tx_pause = dtsec_set_tx_pause_frames; - mac_dev->set_rx_pause = dtsec_accept_rx_pause_frames; - mac_dev->set_exception = dtsec_set_exception; - mac_dev->set_allmulti = dtsec_set_allmulti; - mac_dev->set_tstamp = dtsec_set_tstamp; - mac_dev->set_multi = set_multi; - mac_dev->start = start; - mac_dev->stop = stop; - mac_dev->adjust_link = adjust_link_dtsec; - mac_dev->priv->enable = dtsec_enable; - mac_dev->priv->disable = dtsec_disable; -} - -static void setup_tgec(struct mac_device *mac_dev) -{ - mac_dev->init = tgec_initialization; - mac_dev->set_promisc = tgec_set_promiscuous; - mac_dev->change_addr = tgec_modify_mac_address; - mac_dev->add_hash_mac_addr = tgec_add_hash_mac_address; - mac_dev->remove_hash_mac_addr = tgec_del_hash_mac_address; - mac_dev->set_tx_pause = tgec_set_tx_pause_frames; - mac_dev->set_rx_pause = tgec_accept_rx_pause_frames; - mac_dev->set_exception = tgec_set_exception; - mac_dev->set_allmulti = tgec_set_allmulti; - mac_dev->set_tstamp = tgec_set_tstamp; - mac_dev->set_multi = set_multi; - mac_dev->start = start; - mac_dev->stop = stop; - mac_dev->adjust_link = adjust_link_void; - mac_dev->priv->enable = tgec_enable; - mac_dev->priv->disable = tgec_disable; -} - -static void setup_memac(struct mac_device *mac_dev) -{ - mac_dev->init = memac_initialization; - mac_dev->set_promisc = memac_set_promiscuous; - mac_dev->change_addr = memac_modify_mac_address; - mac_dev->add_hash_mac_addr = memac_add_hash_mac_address; - mac_dev->remove_hash_mac_addr = memac_del_hash_mac_address; - mac_dev->set_tx_pause = memac_set_tx_pause_frames; - mac_dev->set_rx_pause = memac_accept_rx_pause_frames; - mac_dev->set_exception = memac_set_exception; - mac_dev->set_allmulti = memac_set_allmulti; - mac_dev->set_tstamp = memac_set_tstamp; - mac_dev->set_multi = set_multi; - mac_dev->start = start; - mac_dev->stop = stop; - mac_dev->adjust_link = adjust_link_memac; - mac_dev->priv->enable = memac_enable; - mac_dev->priv->disable = memac_disable; -} - #define DTSEC_SUPPORTED \ (SUPPORTED_10baseT_Half \ | SUPPORTED_10baseT_Full \ @@ -524,6 +197,7 @@ static void setup_memac(struct mac_device *mac_dev) | SUPPORTED_Autoneg \ | SUPPORTED_Pause \ | SUPPORTED_Asym_Pause \ + | SUPPORTED_FIBRE \ | SUPPORTED_MII) static DEFINE_MUTEX(eth_lock); @@ -565,7 +239,7 @@ static struct platform_device *dpaa_eth_add_device(int fman_id, goto no_mem; } - pdev->dev.parent = priv->dev; + pdev->dev.parent = mac_dev->dev; ret = platform_device_add_data(pdev, &data, sizeof(data)); if (ret) @@ -589,9 +263,9 @@ no_mem: } static const struct of_device_id mac_match[] = { - { .compatible = "fsl,fman-dtsec" }, - { .compatible = "fsl,fman-xgec" }, - { .compatible = "fsl,fman-memac" }, + { .compatible = "fsl,fman-dtsec", .data = dtsec_initialization }, + { .compatible = "fsl,fman-xgec", .data = tgec_initialization }, + { .compatible = "fsl,fman-memac", .data = memac_initialization }, {} }; MODULE_DEVICE_TABLE(of, mac_match); @@ -599,51 +273,32 @@ MODULE_DEVICE_TABLE(of, mac_match); static int mac_probe(struct platform_device *_of_dev) { int err, i, nph; + int (*init)(struct mac_device *mac_dev, struct device_node *mac_node, + struct fman_mac_params *params); struct device *dev; struct device_node *mac_node, *dev_node; struct mac_device *mac_dev; struct platform_device *of_dev; - struct resource res; struct mac_priv_s *priv; - const u8 *mac_addr; + struct fman_mac_params params; u32 val; u8 fman_id; phy_interface_t phy_if; dev = &_of_dev->dev; mac_node = dev->of_node; + init = of_device_get_match_data(dev); mac_dev = devm_kzalloc(dev, sizeof(*mac_dev), GFP_KERNEL); - if (!mac_dev) { - err = -ENOMEM; - goto _return; - } + if (!mac_dev) + return -ENOMEM; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) { - err = -ENOMEM; - goto _return; - } + if (!priv) + return -ENOMEM; /* Save private information */ mac_dev->priv = priv; - priv->dev = dev; - - if (of_device_is_compatible(mac_node, "fsl,fman-dtsec")) { - setup_dtsec(mac_dev); - priv->internal_phy_node = of_parse_phandle(mac_node, - "tbi-handle", 0); - } else if (of_device_is_compatible(mac_node, "fsl,fman-xgec")) { - setup_tgec(mac_dev); - } else if (of_device_is_compatible(mac_node, "fsl,fman-memac")) { - setup_memac(mac_dev); - priv->internal_phy_node = of_parse_phandle(mac_node, - "pcsphy-handle", 0); - } else { - dev_err(dev, "MAC node (%pOF) contains unsupported MAC\n", - mac_node); - err = -EINVAL; - goto _return; - } + mac_dev->dev = dev; INIT_LIST_HEAD(&priv->mc_addr_list); @@ -652,8 +307,7 @@ static int mac_probe(struct platform_device *_of_dev) if (!dev_node) { dev_err(dev, "of_get_parent(%pOF) failed\n", mac_node); - err = -EINVAL; - goto _return_of_get_parent; + return -EINVAL; } of_dev = of_find_device_by_node(dev_node); @@ -683,68 +337,54 @@ static int mac_probe(struct platform_device *_of_dev) of_node_put(dev_node); /* Get the address of the memory mapped registers */ - err = of_address_to_resource(mac_node, 0, &res); - if (err < 0) { - dev_err(dev, "of_address_to_resource(%pOF) = %d\n", - mac_node, err); - goto _return_of_get_parent; + mac_dev->res = platform_get_mem_or_io(_of_dev, 0); + if (!mac_dev->res) { + dev_err(dev, "could not get registers\n"); + return -EINVAL; } - mac_dev->res = __devm_request_region(dev, - fman_get_mem_region(priv->fman), - res.start, resource_size(&res), - "mac"); - if (!mac_dev->res) { - dev_err(dev, "__devm_request_mem_region(mac) failed\n"); - err = -EBUSY; - goto _return_of_get_parent; + err = devm_request_resource(dev, fman_get_mem_region(priv->fman), + mac_dev->res); + if (err) { + dev_err_probe(dev, err, "could not request resource\n"); + return err; } - priv->vaddr = devm_ioremap(dev, mac_dev->res->start, - resource_size(mac_dev->res)); - if (!priv->vaddr) { + mac_dev->vaddr = devm_ioremap(dev, mac_dev->res->start, + resource_size(mac_dev->res)); + if (!mac_dev->vaddr) { dev_err(dev, "devm_ioremap() failed\n"); - err = -EIO; - goto _return_of_get_parent; + return -EIO; } - if (!of_device_is_available(mac_node)) { - err = -ENODEV; - goto _return_of_get_parent; - } + if (!of_device_is_available(mac_node)) + return -ENODEV; /* Get the cell-index */ err = of_property_read_u32(mac_node, "cell-index", &val); if (err) { dev_err(dev, "failed to read cell-index for %pOF\n", mac_node); - err = -EINVAL; - goto _return_of_get_parent; + return -EINVAL; } priv->cell_index = (u8)val; /* Get the MAC address */ - mac_addr = of_get_mac_address(mac_node); - if (IS_ERR(mac_addr)) { - dev_err(dev, "of_get_mac_address(%pOF) failed\n", mac_node); - err = -EINVAL; - goto _return_of_get_parent; - } - ether_addr_copy(mac_dev->addr, mac_addr); + err = of_get_mac_address(mac_node, mac_dev->addr); + if (err) + dev_warn(dev, "of_get_mac_address(%pOF) failed\n", mac_node); /* Get the port handles */ nph = of_count_phandle_with_args(mac_node, "fsl,fman-ports", NULL); if (unlikely(nph < 0)) { dev_err(dev, "of_count_phandle_with_args(%pOF, fsl,fman-ports) failed\n", mac_node); - err = nph; - goto _return_of_get_parent; + return nph; } if (nph != ARRAY_SIZE(mac_dev->port)) { dev_err(dev, "Not supported number of fman-ports handles of mac node %pOF from device tree\n", mac_node); - err = -EINVAL; - goto _return_of_get_parent; + return -EINVAL; } for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++) { @@ -753,8 +393,7 @@ static int mac_probe(struct platform_device *_of_dev) if (!dev_node) { dev_err(dev, "of_parse_phandle(%pOF, fsl,fman-ports) failed\n", mac_node); - err = -EINVAL; - goto _return_of_node_put; + return -EINVAL; } of_dev = of_find_device_by_node(dev_node); @@ -786,7 +425,7 @@ static int mac_probe(struct platform_device *_of_dev) mac_dev->phy_if = phy_if; priv->speed = phy2speed[mac_dev->phy_if]; - priv->max_speed = priv->speed; + params.max_speed = priv->speed; mac_dev->if_support = DTSEC_SUPPORTED; /* We don't support half-duplex in SGMII mode */ if (mac_dev->phy_if == PHY_INTERFACE_MODE_SGMII) @@ -794,7 +433,7 @@ static int mac_probe(struct platform_device *_of_dev) SUPPORTED_100baseT_Half); /* Gigabit support (no half-duplex) */ - if (priv->max_speed == 1000) + if (params.max_speed == 1000) mac_dev->if_support |= SUPPORTED_1000baseT_Full; /* The 10G interface only supports one mode */ @@ -803,42 +442,18 @@ static int mac_probe(struct platform_device *_of_dev) /* Get the rest of the PHY information */ mac_dev->phy_node = of_parse_phandle(mac_node, "phy-handle", 0); - if (!mac_dev->phy_node && of_phy_is_fixed_link(mac_node)) { - struct phy_device *phy; - - err = of_phy_register_fixed_link(mac_node); - if (err) - goto _return_of_get_parent; - - priv->fixed_link = kzalloc(sizeof(*priv->fixed_link), - GFP_KERNEL); - if (!priv->fixed_link) { - err = -ENOMEM; - goto _return_of_get_parent; - } - mac_dev->phy_node = of_node_get(mac_node); - phy = of_phy_find_device(mac_dev->phy_node); - if (!phy) { - err = -EINVAL; - of_node_put(mac_dev->phy_node); - goto _return_of_get_parent; - } + params.basex_if = false; + params.mac_id = priv->cell_index; + params.fm = (void *)priv->fman; + params.exception_cb = mac_exception; + params.event_cb = mac_exception; - priv->fixed_link->link = phy->link; - priv->fixed_link->speed = phy->speed; - priv->fixed_link->duplex = phy->duplex; - priv->fixed_link->pause = phy->pause; - priv->fixed_link->asym_pause = phy->asym_pause; - - put_device(&phy->mdio.dev); - } - - err = mac_dev->init(mac_dev); + err = init(mac_dev, mac_node, ¶ms); if (err < 0) { dev_err(dev, "mac_dev->init() = %d\n", err); of_node_put(mac_dev->phy_node); - goto _return_of_get_parent; + return err; } /* pause frame autonegotiation enabled */ @@ -855,7 +470,8 @@ static int mac_probe(struct platform_device *_of_dev) if (err < 0) dev_err(dev, "fman_set_mac_active_pause() = %d\n", err); - dev_info(dev, "FMan MAC address: %pM\n", mac_dev->addr); + if (!is_zero_ether_addr(mac_dev->addr)) + dev_info(dev, "FMan MAC address: %pM\n", mac_dev->addr); priv->eth_dev = dpaa_eth_add_device(fman_id, mac_dev); if (IS_ERR(priv->eth_dev)) { @@ -864,22 +480,28 @@ static int mac_probe(struct platform_device *_of_dev) priv->eth_dev = NULL; } - goto _return; + return err; _return_of_node_put: of_node_put(dev_node); -_return_of_get_parent: - kfree(priv->fixed_link); -_return: return err; } +static int mac_remove(struct platform_device *pdev) +{ + struct mac_device *mac_dev = platform_get_drvdata(pdev); + + platform_device_unregister(mac_dev->priv->eth_dev); + return 0; +} + static struct platform_driver mac_driver = { .driver = { .name = KBUILD_MODNAME, .of_match_table = mac_match, }, .probe = mac_probe, + .remove = mac_remove, }; builtin_platform_driver(mac_driver); diff --git a/drivers/net/ethernet/freescale/fman/mac.h b/drivers/net/ethernet/freescale/fman/mac.h index 824a81a9f350..13b69ca5f00c 100644 --- a/drivers/net/ethernet/freescale/fman/mac.h +++ b/drivers/net/ethernet/freescale/fman/mac.h @@ -1,32 +1,6 @@ -/* Copyright 2008-2015 Freescale Semiconductor, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ +/* + * Copyright 2008 - 2015 Freescale Semiconductor Inc. */ #ifndef __MAC_H @@ -45,6 +19,8 @@ struct fman_mac; struct mac_priv_s; struct mac_device { + void __iomem *vaddr; + struct device *dev; struct resource *res; u8 addr[ETH_ALEN]; struct fman_port *port[2]; @@ -52,6 +28,7 @@ struct mac_device { struct phy_device *phy_dev; phy_interface_t phy_if; struct device_node *phy_node; + struct net_device *net_dev; bool autoneg_pause; bool rx_pause_req; @@ -61,12 +38,11 @@ struct mac_device { bool promisc; bool allmulti; - int (*init)(struct mac_device *mac_dev); - int (*start)(struct mac_device *mac_dev); - int (*stop)(struct mac_device *mac_dev); + int (*enable)(struct fman_mac *mac_dev); + void (*disable)(struct fman_mac *mac_dev); void (*adjust_link)(struct mac_device *mac_dev); int (*set_promisc)(struct fman_mac *mac_dev, bool enable); - int (*change_addr)(struct fman_mac *mac_dev, enet_addr_t *enet_addr); + int (*change_addr)(struct fman_mac *mac_dev, const enet_addr_t *enet_addr); int (*set_allmulti)(struct fman_mac *mac_dev, bool enable); int (*set_tstamp)(struct fman_mac *mac_dev, bool enable); int (*set_multi)(struct net_device *net_dev, @@ -81,6 +57,8 @@ struct mac_device { int (*remove_hash_mac_addr)(struct fman_mac *mac_dev, enet_addr_t *eth_addr); + void (*update_speed)(struct mac_device *mac_dev, int speed); + struct fman_mac *fman_mac; struct mac_priv_s *priv; }; @@ -97,5 +75,6 @@ int fman_set_mac_active_pause(struct mac_device *mac_dev, bool rx, bool tx); void fman_get_pause_cfg(struct mac_device *mac_dev, bool *rx_pause, bool *tx_pause); +int fman_set_multi(struct net_device *net_dev, struct mac_device *mac_dev); #endif /* __MAC_H */ |