| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| * Copyright (C) 2006-2009 Freescale Semicondutor, Inc. All rights reserved. |
| * |
| * Author: Shlomi Gridish <gridish@freescale.com> |
| * Li Yang <leoli@freescale.com> |
| * |
| * Description: |
| * QE UCC Gigabit Ethernet Driver |
| */ |
| |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/errno.h> |
| #include <linux/slab.h> |
| #include <linux/stddef.h> |
| #include <linux/module.h> |
| #include <linux/interrupt.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/spinlock.h> |
| #include <linux/mm.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/mii.h> |
| #include <linux/phy.h> |
| #include <linux/phy_fixed.h> |
| #include <linux/workqueue.h> |
| #include <linux/of_address.h> |
| #include <linux/of_irq.h> |
| #include <linux/of_mdio.h> |
| #include <linux/of_net.h> |
| #include <linux/of_platform.h> |
| |
| #include <linux/uaccess.h> |
| #include <asm/irq.h> |
| #include <asm/io.h> |
| #include <soc/fsl/qe/immap_qe.h> |
| #include <soc/fsl/qe/qe.h> |
| #include <soc/fsl/qe/ucc.h> |
| #include <soc/fsl/qe/ucc_fast.h> |
| #include <asm/machdep.h> |
| |
| #include "ucc_geth.h" |
| |
| #undef DEBUG |
| |
| #define ugeth_printk(level, format, arg...) \ |
| printk(level format "\n", ## arg) |
| |
| #define ugeth_dbg(format, arg...) \ |
| ugeth_printk(KERN_DEBUG , format , ## arg) |
| |
| #ifdef UGETH_VERBOSE_DEBUG |
| #define ugeth_vdbg ugeth_dbg |
| #else |
| #define ugeth_vdbg(fmt, args...) do { } while (0) |
| #endif /* UGETH_VERBOSE_DEBUG */ |
| #define UGETH_MSG_DEFAULT (NETIF_MSG_IFUP << 1 ) - 1 |
| |
| |
| static DEFINE_SPINLOCK(ugeth_lock); |
| |
| static struct { |
| u32 msg_enable; |
| } debug = { -1 }; |
| |
| module_param_named(debug, debug.msg_enable, int, 0); |
| MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 0xffff=all)"); |
| |
| static struct ucc_geth_info ugeth_primary_info = { |
| .uf_info = { |
| .bd_mem_part = MEM_PART_SYSTEM, |
| .rtsm = UCC_FAST_SEND_IDLES_BETWEEN_FRAMES, |
| .max_rx_buf_length = 1536, |
| /* adjusted at startup if max-speed 1000 */ |
| .urfs = UCC_GETH_URFS_INIT, |
| .urfet = UCC_GETH_URFET_INIT, |
| .urfset = UCC_GETH_URFSET_INIT, |
| .utfs = UCC_GETH_UTFS_INIT, |
| .utfet = UCC_GETH_UTFET_INIT, |
| .utftt = UCC_GETH_UTFTT_INIT, |
| .ufpt = 256, |
| .mode = UCC_FAST_PROTOCOL_MODE_ETHERNET, |
| .ttx_trx = UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL, |
| .tenc = UCC_FAST_TX_ENCODING_NRZ, |
| .renc = UCC_FAST_RX_ENCODING_NRZ, |
| .tcrc = UCC_FAST_16_BIT_CRC, |
| .synl = UCC_FAST_SYNC_LEN_NOT_USED, |
| }, |
| .numQueuesTx = 1, |
| .numQueuesRx = 1, |
| .extendedFilteringChainPointer = ((uint32_t) NULL), |
| .typeorlen = 3072 /*1536 */ , |
| .nonBackToBackIfgPart1 = 0x40, |
| .nonBackToBackIfgPart2 = 0x60, |
| .miminumInterFrameGapEnforcement = 0x50, |
| .backToBackInterFrameGap = 0x60, |
| .mblinterval = 128, |
| .nortsrbytetime = 5, |
| .fracsiz = 1, |
| .strictpriorityq = 0xff, |
| .altBebTruncation = 0xa, |
| .excessDefer = 1, |
| .maxRetransmission = 0xf, |
| .collisionWindow = 0x37, |
| .receiveFlowControl = 1, |
| .transmitFlowControl = 1, |
| .maxGroupAddrInHash = 4, |
| .maxIndAddrInHash = 4, |
| .prel = 7, |
| .maxFrameLength = 1518+16, /* Add extra bytes for VLANs etc. */ |
| .minFrameLength = 64, |
| .maxD1Length = 1520+16, /* Add extra bytes for VLANs etc. */ |
| .maxD2Length = 1520+16, /* Add extra bytes for VLANs etc. */ |
| .vlantype = 0x8100, |
| .ecamptr = ((uint32_t) NULL), |
| .eventRegMask = UCCE_OTHER, |
| .pausePeriod = 0xf000, |
| .interruptcoalescingmaxvalue = {1, 1, 1, 1, 1, 1, 1, 1}, |
| .bdRingLenTx = { |
| TX_BD_RING_LEN, |
| TX_BD_RING_LEN, |
| TX_BD_RING_LEN, |
| TX_BD_RING_LEN, |
| TX_BD_RING_LEN, |
| TX_BD_RING_LEN, |
| TX_BD_RING_LEN, |
| TX_BD_RING_LEN}, |
| |
| .bdRingLenRx = { |
| RX_BD_RING_LEN, |
| RX_BD_RING_LEN, |
| RX_BD_RING_LEN, |
| RX_BD_RING_LEN, |
| RX_BD_RING_LEN, |
| RX_BD_RING_LEN, |
| RX_BD_RING_LEN, |
| RX_BD_RING_LEN}, |
| |
| .numStationAddresses = UCC_GETH_NUM_OF_STATION_ADDRESSES_1, |
| .largestexternallookupkeysize = |
| QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE, |
| .statisticsMode = UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE | |
| UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX | |
| UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX, |
| .vlanOperationTagged = UCC_GETH_VLAN_OPERATION_TAGGED_NOP, |
| .vlanOperationNonTagged = UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP, |
| .rxQoSMode = UCC_GETH_QOS_MODE_DEFAULT, |
| .aufc = UPSMR_AUTOMATIC_FLOW_CONTROL_MODE_NONE, |
| .padAndCrc = MACCFG2_PAD_AND_CRC_MODE_PAD_AND_CRC, |
| .numThreadsTx = UCC_GETH_NUM_OF_THREADS_1, |
| .numThreadsRx = UCC_GETH_NUM_OF_THREADS_1, |
| .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, |
| .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, |
| }; |
| |
| static struct ucc_geth_info ugeth_info[8]; |
| |
| #ifdef DEBUG |
| static void mem_disp(u8 *addr, int size) |
| { |
| u8 *i; |
| int size16Aling = (size >> 4) << 4; |
| int size4Aling = (size >> 2) << 2; |
| int notAlign = 0; |
| if (size % 16) |
| notAlign = 1; |
| |
| for (i = addr; (u32) i < (u32) addr + size16Aling; i += 16) |
| printk("0x%08x: %08x %08x %08x %08x\r\n", |
| (u32) i, |
| *((u32 *) (i)), |
| *((u32 *) (i + 4)), |
| *((u32 *) (i + 8)), *((u32 *) (i + 12))); |
| if (notAlign == 1) |
| printk("0x%08x: ", (u32) i); |
| for (; (u32) i < (u32) addr + size4Aling; i += 4) |
| printk("%08x ", *((u32 *) (i))); |
| for (; (u32) i < (u32) addr + size; i++) |
| printk("%02x", *((i))); |
| if (notAlign == 1) |
| printk("\r\n"); |
| } |
| #endif /* DEBUG */ |
| |
| static struct list_head *dequeue(struct list_head *lh) |
| { |
| unsigned long flags; |
| |
| spin_lock_irqsave(&ugeth_lock, flags); |
| if (!list_empty(lh)) { |
| struct list_head *node = lh->next; |
| list_del(node); |
| spin_unlock_irqrestore(&ugeth_lock, flags); |
| return node; |
| } else { |
| spin_unlock_irqrestore(&ugeth_lock, flags); |
| return NULL; |
| } |
| } |
| |
| static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth, |
| u8 __iomem *bd) |
| { |
| struct sk_buff *skb; |
| |
| skb = netdev_alloc_skb(ugeth->ndev, |
| ugeth->ug_info->uf_info.max_rx_buf_length + |
| UCC_GETH_RX_DATA_BUF_ALIGNMENT); |
| if (!skb) |
| return NULL; |
| |
| /* We need the data buffer to be aligned properly. We will reserve |
| * as many bytes as needed to align the data properly |
| */ |
| skb_reserve(skb, |
| UCC_GETH_RX_DATA_BUF_ALIGNMENT - |
| (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT - |
| 1))); |
| |
| out_be32(&((struct qe_bd __iomem *)bd)->buf, |
| dma_map_single(ugeth->dev, |
| skb->data, |
| ugeth->ug_info->uf_info.max_rx_buf_length + |
| UCC_GETH_RX_DATA_BUF_ALIGNMENT, |
| DMA_FROM_DEVICE)); |
| |
| out_be32((u32 __iomem *)bd, |
| (R_E | R_I | (in_be32((u32 __iomem*)bd) & R_W))); |
| |
| return skb; |
| } |
| |
| static int rx_bd_buffer_set(struct ucc_geth_private *ugeth, u8 rxQ) |
| { |
| u8 __iomem *bd; |
| u32 bd_status; |
| struct sk_buff *skb; |
| int i; |
| |
| bd = ugeth->p_rx_bd_ring[rxQ]; |
| i = 0; |
| |
| do { |
| bd_status = in_be32((u32 __iomem *)bd); |
| skb = get_new_skb(ugeth, bd); |
| |
| if (!skb) /* If can not allocate data buffer, |
| abort. Cleanup will be elsewhere */ |
| return -ENOMEM; |
| |
| ugeth->rx_skbuff[rxQ][i] = skb; |
| |
| /* advance the BD pointer */ |
| bd += sizeof(struct qe_bd); |
| i++; |
| } while (!(bd_status & R_W)); |
| |
| return 0; |
| } |
| |
| static int fill_init_enet_entries(struct ucc_geth_private *ugeth, |
| u32 *p_start, |
| u8 num_entries, |
| u32 thread_size, |
| u32 thread_alignment, |
| unsigned int risc, |
| int skip_page_for_first_entry) |
| { |
| u32 init_enet_offset; |
| u8 i; |
| int snum; |
| |
| for (i = 0; i < num_entries; i++) { |
| if ((snum = qe_get_snum()) < 0) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not get SNUM\n"); |
| return snum; |
| } |
| if ((i == 0) && skip_page_for_first_entry) |
| /* First entry of Rx does not have page */ |
| init_enet_offset = 0; |
| else { |
| init_enet_offset = |
| qe_muram_alloc(thread_size, thread_alignment); |
| if (IS_ERR_VALUE(init_enet_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory\n"); |
| qe_put_snum((u8) snum); |
| return -ENOMEM; |
| } |
| } |
| *(p_start++) = |
| ((u8) snum << ENET_INIT_PARAM_SNUM_SHIFT) | init_enet_offset |
| | risc; |
| } |
| |
| return 0; |
| } |
| |
| static int return_init_enet_entries(struct ucc_geth_private *ugeth, |
| u32 *p_start, |
| u8 num_entries, |
| unsigned int risc, |
| int skip_page_for_first_entry) |
| { |
| u32 init_enet_offset; |
| u8 i; |
| int snum; |
| |
| for (i = 0; i < num_entries; i++) { |
| u32 val = *p_start; |
| |
| /* Check that this entry was actually valid -- |
| needed in case failed in allocations */ |
| if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) { |
| snum = |
| (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >> |
| ENET_INIT_PARAM_SNUM_SHIFT; |
| qe_put_snum((u8) snum); |
| if (!((i == 0) && skip_page_for_first_entry)) { |
| /* First entry of Rx does not have page */ |
| init_enet_offset = |
| (val & ENET_INIT_PARAM_PTR_MASK); |
| qe_muram_free(init_enet_offset); |
| } |
| *p_start++ = 0; |
| } |
| } |
| |
| return 0; |
| } |
| |
| #ifdef DEBUG |
| static int dump_init_enet_entries(struct ucc_geth_private *ugeth, |
| u32 __iomem *p_start, |
| u8 num_entries, |
| u32 thread_size, |
| unsigned int risc, |
| int skip_page_for_first_entry) |
| { |
| u32 init_enet_offset; |
| u8 i; |
| int snum; |
| |
| for (i = 0; i < num_entries; i++) { |
| u32 val = in_be32(p_start); |
| |
| /* Check that this entry was actually valid -- |
| needed in case failed in allocations */ |
| if ((val & ENET_INIT_PARAM_RISC_MASK) == risc) { |
| snum = |
| (u32) (val & ENET_INIT_PARAM_SNUM_MASK) >> |
| ENET_INIT_PARAM_SNUM_SHIFT; |
| qe_put_snum((u8) snum); |
| if (!((i == 0) && skip_page_for_first_entry)) { |
| /* First entry of Rx does not have page */ |
| init_enet_offset = |
| (in_be32(p_start) & |
| ENET_INIT_PARAM_PTR_MASK); |
| pr_info("Init enet entry %d:\n", i); |
| pr_info("Base address: 0x%08x\n", |
| (u32)qe_muram_addr(init_enet_offset)); |
| mem_disp(qe_muram_addr(init_enet_offset), |
| thread_size); |
| } |
| p_start++; |
| } |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont) |
| { |
| kfree(enet_addr_cont); |
| } |
| |
| static void set_mac_addr(__be16 __iomem *reg, u8 *mac) |
| { |
| out_be16(®[0], ((u16)mac[5] << 8) | mac[4]); |
| out_be16(®[1], ((u16)mac[3] << 8) | mac[2]); |
| out_be16(®[2], ((u16)mac[1] << 8) | mac[0]); |
| } |
| |
| static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num) |
| { |
| struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
| |
| if (paddr_num >= NUM_OF_PADDRS) { |
| pr_warn("%s: Invalid paddr_num: %u\n", __func__, paddr_num); |
| return -EINVAL; |
| } |
| |
| p_82xx_addr_filt = |
| (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram-> |
| addressfiltering; |
| |
| /* Writing address ff.ff.ff.ff.ff.ff disables address |
| recognition for this register */ |
| out_be16(&p_82xx_addr_filt->paddr[paddr_num].h, 0xffff); |
| out_be16(&p_82xx_addr_filt->paddr[paddr_num].m, 0xffff); |
| out_be16(&p_82xx_addr_filt->paddr[paddr_num].l, 0xffff); |
| |
| return 0; |
| } |
| |
| static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth, |
| u8 *p_enet_addr) |
| { |
| struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
| u32 cecr_subblock; |
| |
| p_82xx_addr_filt = |
| (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth->p_rx_glbl_pram-> |
| addressfiltering; |
| |
| cecr_subblock = |
| ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); |
| |
| /* Ethernet frames are defined in Little Endian mode, |
| therefore to insert */ |
| /* the address to the hash (Big Endian mode), we reverse the bytes.*/ |
| |
| set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr); |
| |
| qe_issue_cmd(QE_SET_GROUP_ADDRESS, cecr_subblock, |
| QE_CR_PROTOCOL_ETHERNET, 0); |
| } |
| |
| #ifdef DEBUG |
| static void get_statistics(struct ucc_geth_private *ugeth, |
| struct ucc_geth_tx_firmware_statistics * |
| tx_firmware_statistics, |
| struct ucc_geth_rx_firmware_statistics * |
| rx_firmware_statistics, |
| struct ucc_geth_hardware_statistics *hardware_statistics) |
| { |
| struct ucc_fast __iomem *uf_regs; |
| struct ucc_geth __iomem *ug_regs; |
| struct ucc_geth_tx_firmware_statistics_pram *p_tx_fw_statistics_pram; |
| struct ucc_geth_rx_firmware_statistics_pram *p_rx_fw_statistics_pram; |
| |
| ug_regs = ugeth->ug_regs; |
| uf_regs = (struct ucc_fast __iomem *) ug_regs; |
| p_tx_fw_statistics_pram = ugeth->p_tx_fw_statistics_pram; |
| p_rx_fw_statistics_pram = ugeth->p_rx_fw_statistics_pram; |
| |
| /* Tx firmware only if user handed pointer and driver actually |
| gathers Tx firmware statistics */ |
| if (tx_firmware_statistics && p_tx_fw_statistics_pram) { |
| tx_firmware_statistics->sicoltx = |
| in_be32(&p_tx_fw_statistics_pram->sicoltx); |
| tx_firmware_statistics->mulcoltx = |
| in_be32(&p_tx_fw_statistics_pram->mulcoltx); |
| tx_firmware_statistics->latecoltxfr = |
| in_be32(&p_tx_fw_statistics_pram->latecoltxfr); |
| tx_firmware_statistics->frabortduecol = |
| in_be32(&p_tx_fw_statistics_pram->frabortduecol); |
| tx_firmware_statistics->frlostinmactxer = |
| in_be32(&p_tx_fw_statistics_pram->frlostinmactxer); |
| tx_firmware_statistics->carriersenseertx = |
| in_be32(&p_tx_fw_statistics_pram->carriersenseertx); |
| tx_firmware_statistics->frtxok = |
| in_be32(&p_tx_fw_statistics_pram->frtxok); |
| tx_firmware_statistics->txfrexcessivedefer = |
| in_be32(&p_tx_fw_statistics_pram->txfrexcessivedefer); |
| tx_firmware_statistics->txpkts256 = |
| in_be32(&p_tx_fw_statistics_pram->txpkts256); |
| tx_firmware_statistics->txpkts512 = |
| in_be32(&p_tx_fw_statistics_pram->txpkts512); |
| tx_firmware_statistics->txpkts1024 = |
| in_be32(&p_tx_fw_statistics_pram->txpkts1024); |
| tx_firmware_statistics->txpktsjumbo = |
| in_be32(&p_tx_fw_statistics_pram->txpktsjumbo); |
| } |
| |
| /* Rx firmware only if user handed pointer and driver actually |
| * gathers Rx firmware statistics */ |
| if (rx_firmware_statistics && p_rx_fw_statistics_pram) { |
| int i; |
| rx_firmware_statistics->frrxfcser = |
| in_be32(&p_rx_fw_statistics_pram->frrxfcser); |
| rx_firmware_statistics->fraligner = |
| in_be32(&p_rx_fw_statistics_pram->fraligner); |
| rx_firmware_statistics->inrangelenrxer = |
| in_be32(&p_rx_fw_statistics_pram->inrangelenrxer); |
| rx_firmware_statistics->outrangelenrxer = |
| in_be32(&p_rx_fw_statistics_pram->outrangelenrxer); |
| rx_firmware_statistics->frtoolong = |
| in_be32(&p_rx_fw_statistics_pram->frtoolong); |
| rx_firmware_statistics->runt = |
| in_be32(&p_rx_fw_statistics_pram->runt); |
| rx_firmware_statistics->verylongevent = |
| in_be32(&p_rx_fw_statistics_pram->verylongevent); |
| rx_firmware_statistics->symbolerror = |
| in_be32(&p_rx_fw_statistics_pram->symbolerror); |
| rx_firmware_statistics->dropbsy = |
| in_be32(&p_rx_fw_statistics_pram->dropbsy); |
| for (i = 0; i < 0x8; i++) |
| rx_firmware_statistics->res0[i] = |
| p_rx_fw_statistics_pram->res0[i]; |
| rx_firmware_statistics->mismatchdrop = |
| in_be32(&p_rx_fw_statistics_pram->mismatchdrop); |
| rx_firmware_statistics->underpkts = |
| in_be32(&p_rx_fw_statistics_pram->underpkts); |
| rx_firmware_statistics->pkts256 = |
| in_be32(&p_rx_fw_statistics_pram->pkts256); |
| rx_firmware_statistics->pkts512 = |
| in_be32(&p_rx_fw_statistics_pram->pkts512); |
| rx_firmware_statistics->pkts1024 = |
| in_be32(&p_rx_fw_statistics_pram->pkts1024); |
| rx_firmware_statistics->pktsjumbo = |
| in_be32(&p_rx_fw_statistics_pram->pktsjumbo); |
| rx_firmware_statistics->frlossinmacer = |
| in_be32(&p_rx_fw_statistics_pram->frlossinmacer); |
| rx_firmware_statistics->pausefr = |
| in_be32(&p_rx_fw_statistics_pram->pausefr); |
| for (i = 0; i < 0x4; i++) |
| rx_firmware_statistics->res1[i] = |
| p_rx_fw_statistics_pram->res1[i]; |
| rx_firmware_statistics->removevlan = |
| in_be32(&p_rx_fw_statistics_pram->removevlan); |
| rx_firmware_statistics->replacevlan = |
| in_be32(&p_rx_fw_statistics_pram->replacevlan); |
| rx_firmware_statistics->insertvlan = |
| in_be32(&p_rx_fw_statistics_pram->insertvlan); |
| } |
| |
| /* Hardware only if user handed pointer and driver actually |
| gathers hardware statistics */ |
| if (hardware_statistics && |
| (in_be32(&uf_regs->upsmr) & UCC_GETH_UPSMR_HSE)) { |
| hardware_statistics->tx64 = in_be32(&ug_regs->tx64); |
| hardware_statistics->tx127 = in_be32(&ug_regs->tx127); |
| hardware_statistics->tx255 = in_be32(&ug_regs->tx255); |
| hardware_statistics->rx64 = in_be32(&ug_regs->rx64); |
| hardware_statistics->rx127 = in_be32(&ug_regs->rx127); |
| hardware_statistics->rx255 = in_be32(&ug_regs->rx255); |
| hardware_statistics->txok = in_be32(&ug_regs->txok); |
| hardware_statistics->txcf = in_be16(&ug_regs->txcf); |
| hardware_statistics->tmca = in_be32(&ug_regs->tmca); |
| hardware_statistics->tbca = in_be32(&ug_regs->tbca); |
| hardware_statistics->rxfok = in_be32(&ug_regs->rxfok); |
| hardware_statistics->rxbok = in_be32(&ug_regs->rxbok); |
| hardware_statistics->rbyt = in_be32(&ug_regs->rbyt); |
| hardware_statistics->rmca = in_be32(&ug_regs->rmca); |
| hardware_statistics->rbca = in_be32(&ug_regs->rbca); |
| } |
| } |
| |
| static void dump_bds(struct ucc_geth_private *ugeth) |
| { |
| int i; |
| int length; |
| |
| for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { |
| if (ugeth->p_tx_bd_ring[i]) { |
| length = |
| (ugeth->ug_info->bdRingLenTx[i] * |
| sizeof(struct qe_bd)); |
| pr_info("TX BDs[%d]\n", i); |
| mem_disp(ugeth->p_tx_bd_ring[i], length); |
| } |
| } |
| for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { |
| if (ugeth->p_rx_bd_ring[i]) { |
| length = |
| (ugeth->ug_info->bdRingLenRx[i] * |
| sizeof(struct qe_bd)); |
| pr_info("RX BDs[%d]\n", i); |
| mem_disp(ugeth->p_rx_bd_ring[i], length); |
| } |
| } |
| } |
| |
| static void dump_regs(struct ucc_geth_private *ugeth) |
| { |
| int i; |
| |
| pr_info("UCC%d Geth registers:\n", ugeth->ug_info->uf_info.ucc_num + 1); |
| pr_info("Base address: 0x%08x\n", (u32)ugeth->ug_regs); |
| |
| pr_info("maccfg1 : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->maccfg1, |
| in_be32(&ugeth->ug_regs->maccfg1)); |
| pr_info("maccfg2 : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->maccfg2, |
| in_be32(&ugeth->ug_regs->maccfg2)); |
| pr_info("ipgifg : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->ipgifg, |
| in_be32(&ugeth->ug_regs->ipgifg)); |
| pr_info("hafdup : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->hafdup, |
| in_be32(&ugeth->ug_regs->hafdup)); |
| pr_info("ifctl : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->ifctl, |
| in_be32(&ugeth->ug_regs->ifctl)); |
| pr_info("ifstat : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->ifstat, |
| in_be32(&ugeth->ug_regs->ifstat)); |
| pr_info("macstnaddr1: addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->macstnaddr1, |
| in_be32(&ugeth->ug_regs->macstnaddr1)); |
| pr_info("macstnaddr2: addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->macstnaddr2, |
| in_be32(&ugeth->ug_regs->macstnaddr2)); |
| pr_info("uempr : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->uempr, |
| in_be32(&ugeth->ug_regs->uempr)); |
| pr_info("utbipar : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->utbipar, |
| in_be32(&ugeth->ug_regs->utbipar)); |
| pr_info("uescr : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->ug_regs->uescr, |
| in_be16(&ugeth->ug_regs->uescr)); |
| pr_info("tx64 : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->tx64, |
| in_be32(&ugeth->ug_regs->tx64)); |
| pr_info("tx127 : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->tx127, |
| in_be32(&ugeth->ug_regs->tx127)); |
| pr_info("tx255 : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->tx255, |
| in_be32(&ugeth->ug_regs->tx255)); |
| pr_info("rx64 : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->rx64, |
| in_be32(&ugeth->ug_regs->rx64)); |
| pr_info("rx127 : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->rx127, |
| in_be32(&ugeth->ug_regs->rx127)); |
| pr_info("rx255 : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->rx255, |
| in_be32(&ugeth->ug_regs->rx255)); |
| pr_info("txok : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->txok, |
| in_be32(&ugeth->ug_regs->txok)); |
| pr_info("txcf : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->ug_regs->txcf, |
| in_be16(&ugeth->ug_regs->txcf)); |
| pr_info("tmca : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->tmca, |
| in_be32(&ugeth->ug_regs->tmca)); |
| pr_info("tbca : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->tbca, |
| in_be32(&ugeth->ug_regs->tbca)); |
| pr_info("rxfok : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->rxfok, |
| in_be32(&ugeth->ug_regs->rxfok)); |
| pr_info("rxbok : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->rxbok, |
| in_be32(&ugeth->ug_regs->rxbok)); |
| pr_info("rbyt : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->rbyt, |
| in_be32(&ugeth->ug_regs->rbyt)); |
| pr_info("rmca : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->rmca, |
| in_be32(&ugeth->ug_regs->rmca)); |
| pr_info("rbca : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->rbca, |
| in_be32(&ugeth->ug_regs->rbca)); |
| pr_info("scar : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->scar, |
| in_be32(&ugeth->ug_regs->scar)); |
| pr_info("scam : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->ug_regs->scam, |
| in_be32(&ugeth->ug_regs->scam)); |
| |
| if (ugeth->p_thread_data_tx) { |
| int numThreadsTxNumerical; |
| switch (ugeth->ug_info->numThreadsTx) { |
| case UCC_GETH_NUM_OF_THREADS_1: |
| numThreadsTxNumerical = 1; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_2: |
| numThreadsTxNumerical = 2; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_4: |
| numThreadsTxNumerical = 4; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_6: |
| numThreadsTxNumerical = 6; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_8: |
| numThreadsTxNumerical = 8; |
| break; |
| default: |
| numThreadsTxNumerical = 0; |
| break; |
| } |
| |
| pr_info("Thread data TXs:\n"); |
| pr_info("Base address: 0x%08x\n", |
| (u32)ugeth->p_thread_data_tx); |
| for (i = 0; i < numThreadsTxNumerical; i++) { |
| pr_info("Thread data TX[%d]:\n", i); |
| pr_info("Base address: 0x%08x\n", |
| (u32)&ugeth->p_thread_data_tx[i]); |
| mem_disp((u8 *) & ugeth->p_thread_data_tx[i], |
| sizeof(struct ucc_geth_thread_data_tx)); |
| } |
| } |
| if (ugeth->p_thread_data_rx) { |
| int numThreadsRxNumerical; |
| switch (ugeth->ug_info->numThreadsRx) { |
| case UCC_GETH_NUM_OF_THREADS_1: |
| numThreadsRxNumerical = 1; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_2: |
| numThreadsRxNumerical = 2; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_4: |
| numThreadsRxNumerical = 4; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_6: |
| numThreadsRxNumerical = 6; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_8: |
| numThreadsRxNumerical = 8; |
| break; |
| default: |
| numThreadsRxNumerical = 0; |
| break; |
| } |
| |
| pr_info("Thread data RX:\n"); |
| pr_info("Base address: 0x%08x\n", |
| (u32)ugeth->p_thread_data_rx); |
| for (i = 0; i < numThreadsRxNumerical; i++) { |
| pr_info("Thread data RX[%d]:\n", i); |
| pr_info("Base address: 0x%08x\n", |
| (u32)&ugeth->p_thread_data_rx[i]); |
| mem_disp((u8 *) & ugeth->p_thread_data_rx[i], |
| sizeof(struct ucc_geth_thread_data_rx)); |
| } |
| } |
| if (ugeth->p_exf_glbl_param) { |
| pr_info("EXF global param:\n"); |
| pr_info("Base address: 0x%08x\n", |
| (u32)ugeth->p_exf_glbl_param); |
| mem_disp((u8 *) ugeth->p_exf_glbl_param, |
| sizeof(*ugeth->p_exf_glbl_param)); |
| } |
| if (ugeth->p_tx_glbl_pram) { |
| pr_info("TX global param:\n"); |
| pr_info("Base address: 0x%08x\n", (u32)ugeth->p_tx_glbl_pram); |
| pr_info("temoder : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->p_tx_glbl_pram->temoder, |
| in_be16(&ugeth->p_tx_glbl_pram->temoder)); |
| pr_info("sqptr : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->sqptr, |
| in_be32(&ugeth->p_tx_glbl_pram->sqptr)); |
| pr_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->schedulerbasepointer, |
| in_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer)); |
| pr_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->txrmonbaseptr, |
| in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr)); |
| pr_info("tstate : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->tstate, |
| in_be32(&ugeth->p_tx_glbl_pram->tstate)); |
| pr_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x\n", |
| (u32)&ugeth->p_tx_glbl_pram->iphoffset[0], |
| ugeth->p_tx_glbl_pram->iphoffset[0]); |
| pr_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x\n", |
| (u32)&ugeth->p_tx_glbl_pram->iphoffset[1], |
| ugeth->p_tx_glbl_pram->iphoffset[1]); |
| pr_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x\n", |
| (u32)&ugeth->p_tx_glbl_pram->iphoffset[2], |
| ugeth->p_tx_glbl_pram->iphoffset[2]); |
| pr_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x\n", |
| (u32)&ugeth->p_tx_glbl_pram->iphoffset[3], |
| ugeth->p_tx_glbl_pram->iphoffset[3]); |
| pr_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x\n", |
| (u32)&ugeth->p_tx_glbl_pram->iphoffset[4], |
| ugeth->p_tx_glbl_pram->iphoffset[4]); |
| pr_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x\n", |
| (u32)&ugeth->p_tx_glbl_pram->iphoffset[5], |
| ugeth->p_tx_glbl_pram->iphoffset[5]); |
| pr_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x\n", |
| (u32)&ugeth->p_tx_glbl_pram->iphoffset[6], |
| ugeth->p_tx_glbl_pram->iphoffset[6]); |
| pr_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x\n", |
| (u32)&ugeth->p_tx_glbl_pram->iphoffset[7], |
| ugeth->p_tx_glbl_pram->iphoffset[7]); |
| pr_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->vtagtable[0], |
| in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0])); |
| pr_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->vtagtable[1], |
| in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1])); |
| pr_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->vtagtable[2], |
| in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2])); |
| pr_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->vtagtable[3], |
| in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3])); |
| pr_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->vtagtable[4], |
| in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4])); |
| pr_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->vtagtable[5], |
| in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5])); |
| pr_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->vtagtable[6], |
| in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6])); |
| pr_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->vtagtable[7], |
| in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7])); |
| pr_info("tqptr : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_tx_glbl_pram->tqptr, |
| in_be32(&ugeth->p_tx_glbl_pram->tqptr)); |
| } |
| if (ugeth->p_rx_glbl_pram) { |
| pr_info("RX global param:\n"); |
| pr_info("Base address: 0x%08x\n", (u32)ugeth->p_rx_glbl_pram); |
| pr_info("remoder : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->remoder, |
| in_be32(&ugeth->p_rx_glbl_pram->remoder)); |
| pr_info("rqptr : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->rqptr, |
| in_be32(&ugeth->p_rx_glbl_pram->rqptr)); |
| pr_info("typeorlen : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->p_rx_glbl_pram->typeorlen, |
| in_be16(&ugeth->p_rx_glbl_pram->typeorlen)); |
| pr_info("rxgstpack : addr - 0x%08x, val - 0x%02x\n", |
| (u32)&ugeth->p_rx_glbl_pram->rxgstpack, |
| ugeth->p_rx_glbl_pram->rxgstpack); |
| pr_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->rxrmonbaseptr, |
| in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr)); |
| pr_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->intcoalescingptr, |
| in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr)); |
| pr_info("rstate : addr - 0x%08x, val - 0x%02x\n", |
| (u32)&ugeth->p_rx_glbl_pram->rstate, |
| ugeth->p_rx_glbl_pram->rstate); |
| pr_info("mrblr : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->p_rx_glbl_pram->mrblr, |
| in_be16(&ugeth->p_rx_glbl_pram->mrblr)); |
| pr_info("rbdqptr : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->rbdqptr, |
| in_be32(&ugeth->p_rx_glbl_pram->rbdqptr)); |
| pr_info("mflr : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->p_rx_glbl_pram->mflr, |
| in_be16(&ugeth->p_rx_glbl_pram->mflr)); |
| pr_info("minflr : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->p_rx_glbl_pram->minflr, |
| in_be16(&ugeth->p_rx_glbl_pram->minflr)); |
| pr_info("maxd1 : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->p_rx_glbl_pram->maxd1, |
| in_be16(&ugeth->p_rx_glbl_pram->maxd1)); |
| pr_info("maxd2 : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->p_rx_glbl_pram->maxd2, |
| in_be16(&ugeth->p_rx_glbl_pram->maxd2)); |
| pr_info("ecamptr : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->ecamptr, |
| in_be32(&ugeth->p_rx_glbl_pram->ecamptr)); |
| pr_info("l2qt : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->l2qt, |
| in_be32(&ugeth->p_rx_glbl_pram->l2qt)); |
| pr_info("l3qt[0] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->l3qt[0], |
| in_be32(&ugeth->p_rx_glbl_pram->l3qt[0])); |
| pr_info("l3qt[1] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->l3qt[1], |
| in_be32(&ugeth->p_rx_glbl_pram->l3qt[1])); |
| pr_info("l3qt[2] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->l3qt[2], |
| in_be32(&ugeth->p_rx_glbl_pram->l3qt[2])); |
| pr_info("l3qt[3] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->l3qt[3], |
| in_be32(&ugeth->p_rx_glbl_pram->l3qt[3])); |
| pr_info("l3qt[4] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->l3qt[4], |
| in_be32(&ugeth->p_rx_glbl_pram->l3qt[4])); |
| pr_info("l3qt[5] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->l3qt[5], |
| in_be32(&ugeth->p_rx_glbl_pram->l3qt[5])); |
| pr_info("l3qt[6] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->l3qt[6], |
| in_be32(&ugeth->p_rx_glbl_pram->l3qt[6])); |
| pr_info("l3qt[7] : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->l3qt[7], |
| in_be32(&ugeth->p_rx_glbl_pram->l3qt[7])); |
| pr_info("vlantype : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->p_rx_glbl_pram->vlantype, |
| in_be16(&ugeth->p_rx_glbl_pram->vlantype)); |
| pr_info("vlantci : addr - 0x%08x, val - 0x%04x\n", |
| (u32)&ugeth->p_rx_glbl_pram->vlantci, |
| in_be16(&ugeth->p_rx_glbl_pram->vlantci)); |
| for (i = 0; i < 64; i++) |
| pr_info("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x\n", |
| i, |
| (u32)&ugeth->p_rx_glbl_pram->addressfiltering[i], |
| ugeth->p_rx_glbl_pram->addressfiltering[i]); |
| pr_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_glbl_pram->exfGlobalParam, |
| in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam)); |
| } |
| if (ugeth->p_send_q_mem_reg) { |
| pr_info("Send Q memory registers:\n"); |
| pr_info("Base address: 0x%08x\n", (u32)ugeth->p_send_q_mem_reg); |
| for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { |
| pr_info("SQQD[%d]:\n", i); |
| pr_info("Base address: 0x%08x\n", |
| (u32)&ugeth->p_send_q_mem_reg->sqqd[i]); |
| mem_disp((u8 *) & ugeth->p_send_q_mem_reg->sqqd[i], |
| sizeof(struct ucc_geth_send_queue_qd)); |
| } |
| } |
| if (ugeth->p_scheduler) { |
| pr_info("Scheduler:\n"); |
| pr_info("Base address: 0x%08x\n", (u32)ugeth->p_scheduler); |
| mem_disp((u8 *) ugeth->p_scheduler, |
| sizeof(*ugeth->p_scheduler)); |
| } |
| if (ugeth->p_tx_fw_statistics_pram) { |
| pr_info("TX FW statistics pram:\n"); |
| pr_info("Base address: 0x%08x\n", |
| (u32)ugeth->p_tx_fw_statistics_pram); |
| mem_disp((u8 *) ugeth->p_tx_fw_statistics_pram, |
| sizeof(*ugeth->p_tx_fw_statistics_pram)); |
| } |
| if (ugeth->p_rx_fw_statistics_pram) { |
| pr_info("RX FW statistics pram:\n"); |
| pr_info("Base address: 0x%08x\n", |
| (u32)ugeth->p_rx_fw_statistics_pram); |
| mem_disp((u8 *) ugeth->p_rx_fw_statistics_pram, |
| sizeof(*ugeth->p_rx_fw_statistics_pram)); |
| } |
| if (ugeth->p_rx_irq_coalescing_tbl) { |
| pr_info("RX IRQ coalescing tables:\n"); |
| pr_info("Base address: 0x%08x\n", |
| (u32)ugeth->p_rx_irq_coalescing_tbl); |
| for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { |
| pr_info("RX IRQ coalescing table entry[%d]:\n", i); |
| pr_info("Base address: 0x%08x\n", |
| (u32)&ugeth->p_rx_irq_coalescing_tbl-> |
| coalescingentry[i]); |
| pr_info("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_irq_coalescing_tbl-> |
| coalescingentry[i].interruptcoalescingmaxvalue, |
| in_be32(&ugeth->p_rx_irq_coalescing_tbl-> |
| coalescingentry[i]. |
| interruptcoalescingmaxvalue)); |
| pr_info("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_irq_coalescing_tbl-> |
| coalescingentry[i].interruptcoalescingcounter, |
| in_be32(&ugeth->p_rx_irq_coalescing_tbl-> |
| coalescingentry[i]. |
| interruptcoalescingcounter)); |
| } |
| } |
| if (ugeth->p_rx_bd_qs_tbl) { |
| pr_info("RX BD QS tables:\n"); |
| pr_info("Base address: 0x%08x\n", (u32)ugeth->p_rx_bd_qs_tbl); |
| for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { |
| pr_info("RX BD QS table[%d]:\n", i); |
| pr_info("Base address: 0x%08x\n", |
| (u32)&ugeth->p_rx_bd_qs_tbl[i]); |
| pr_info("bdbaseptr : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr, |
| in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr)); |
| pr_info("bdptr : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_bd_qs_tbl[i].bdptr, |
| in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr)); |
| pr_info("externalbdbaseptr: addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, |
| in_be32(&ugeth->p_rx_bd_qs_tbl[i]. |
| externalbdbaseptr)); |
| pr_info("externalbdptr : addr - 0x%08x, val - 0x%08x\n", |
| (u32)&ugeth->p_rx_bd_qs_tbl[i].externalbdptr, |
| in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr)); |
| pr_info("ucode RX Prefetched BDs:\n"); |
| pr_info("Base address: 0x%08x\n", |
| (u32)qe_muram_addr(in_be32 |
| (&ugeth->p_rx_bd_qs_tbl[i]. |
| bdbaseptr))); |
| mem_disp((u8 *) |
| qe_muram_addr(in_be32 |
| (&ugeth->p_rx_bd_qs_tbl[i]. |
| bdbaseptr)), |
| sizeof(struct ucc_geth_rx_prefetched_bds)); |
| } |
| } |
| if (ugeth->p_init_enet_param_shadow) { |
| int size; |
| pr_info("Init enet param shadow:\n"); |
| pr_info("Base address: 0x%08x\n", |
| (u32) ugeth->p_init_enet_param_shadow); |
| mem_disp((u8 *) ugeth->p_init_enet_param_shadow, |
| sizeof(*ugeth->p_init_enet_param_shadow)); |
| |
| size = sizeof(struct ucc_geth_thread_rx_pram); |
| if (ugeth->ug_info->rxExtendedFiltering) { |
| size += |
| THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; |
| if (ugeth->ug_info->largestexternallookupkeysize == |
| QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES) |
| size += |
| THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; |
| if (ugeth->ug_info->largestexternallookupkeysize == |
| QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES) |
| size += |
| THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; |
| } |
| |
| dump_init_enet_entries(ugeth, |
| &(ugeth->p_init_enet_param_shadow-> |
| txthread[0]), |
| ENET_INIT_PARAM_MAX_ENTRIES_TX, |
| sizeof(struct ucc_geth_thread_tx_pram), |
| ugeth->ug_info->riscTx, 0); |
| dump_init_enet_entries(ugeth, |
| &(ugeth->p_init_enet_param_shadow-> |
| rxthread[0]), |
| ENET_INIT_PARAM_MAX_ENTRIES_RX, size, |
| ugeth->ug_info->riscRx, 1); |
| } |
| } |
| #endif /* DEBUG */ |
| |
| static void init_default_reg_vals(u32 __iomem *upsmr_register, |
| u32 __iomem *maccfg1_register, |
| u32 __iomem *maccfg2_register) |
| { |
| out_be32(upsmr_register, UCC_GETH_UPSMR_INIT); |
| out_be32(maccfg1_register, UCC_GETH_MACCFG1_INIT); |
| out_be32(maccfg2_register, UCC_GETH_MACCFG2_INIT); |
| } |
| |
| static int init_half_duplex_params(int alt_beb, |
| int back_pressure_no_backoff, |
| int no_backoff, |
| int excess_defer, |
| u8 alt_beb_truncation, |
| u8 max_retransmissions, |
| u8 collision_window, |
| u32 __iomem *hafdup_register) |
| { |
| u32 value = 0; |
| |
| if ((alt_beb_truncation > HALFDUP_ALT_BEB_TRUNCATION_MAX) || |
| (max_retransmissions > HALFDUP_MAX_RETRANSMISSION_MAX) || |
| (collision_window > HALFDUP_COLLISION_WINDOW_MAX)) |
| return -EINVAL; |
| |
| value = (u32) (alt_beb_truncation << HALFDUP_ALT_BEB_TRUNCATION_SHIFT); |
| |
| if (alt_beb) |
| value |= HALFDUP_ALT_BEB; |
| if (back_pressure_no_backoff) |
| value |= HALFDUP_BACK_PRESSURE_NO_BACKOFF; |
| if (no_backoff) |
| value |= HALFDUP_NO_BACKOFF; |
| if (excess_defer) |
| value |= HALFDUP_EXCESSIVE_DEFER; |
| |
| value |= (max_retransmissions << HALFDUP_MAX_RETRANSMISSION_SHIFT); |
| |
| value |= collision_window; |
| |
| out_be32(hafdup_register, value); |
| return 0; |
| } |
| |
| static int init_inter_frame_gap_params(u8 non_btb_cs_ipg, |
| u8 non_btb_ipg, |
| u8 min_ifg, |
| u8 btb_ipg, |
| u32 __iomem *ipgifg_register) |
| { |
| u32 value = 0; |
| |
| /* Non-Back-to-back IPG part 1 should be <= Non-Back-to-back |
| IPG part 2 */ |
| if (non_btb_cs_ipg > non_btb_ipg) |
| return -EINVAL; |
| |
| if ((non_btb_cs_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART1_MAX) || |
| (non_btb_ipg > IPGIFG_NON_BACK_TO_BACK_IFG_PART2_MAX) || |
| /*(min_ifg > IPGIFG_MINIMUM_IFG_ENFORCEMENT_MAX) || */ |
| (btb_ipg > IPGIFG_BACK_TO_BACK_IFG_MAX)) |
| return -EINVAL; |
| |
| value |= |
| ((non_btb_cs_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART1_SHIFT) & |
| IPGIFG_NBTB_CS_IPG_MASK); |
| value |= |
| ((non_btb_ipg << IPGIFG_NON_BACK_TO_BACK_IFG_PART2_SHIFT) & |
| IPGIFG_NBTB_IPG_MASK); |
| value |= |
| ((min_ifg << IPGIFG_MINIMUM_IFG_ENFORCEMENT_SHIFT) & |
| IPGIFG_MIN_IFG_MASK); |
| value |= (btb_ipg & IPGIFG_BTB_IPG_MASK); |
| |
| out_be32(ipgifg_register, value); |
| return 0; |
| } |
| |
| int init_flow_control_params(u32 automatic_flow_control_mode, |
| int rx_flow_control_enable, |
| int tx_flow_control_enable, |
| u16 pause_period, |
| u16 extension_field, |
| u32 __iomem *upsmr_register, |
| u32 __iomem *uempr_register, |
| u32 __iomem *maccfg1_register) |
| { |
| u32 value = 0; |
| |
| /* Set UEMPR register */ |
| value = (u32) pause_period << UEMPR_PAUSE_TIME_VALUE_SHIFT; |
| value |= (u32) extension_field << UEMPR_EXTENDED_PAUSE_TIME_VALUE_SHIFT; |
| out_be32(uempr_register, value); |
| |
| /* Set UPSMR register */ |
| setbits32(upsmr_register, automatic_flow_control_mode); |
| |
| value = in_be32(maccfg1_register); |
| if (rx_flow_control_enable) |
| value |= MACCFG1_FLOW_RX; |
| if (tx_flow_control_enable) |
| value |= MACCFG1_FLOW_TX; |
| out_be32(maccfg1_register, value); |
| |
| return 0; |
| } |
| |
| static int init_hw_statistics_gathering_mode(int enable_hardware_statistics, |
| int auto_zero_hardware_statistics, |
| u32 __iomem *upsmr_register, |
| u16 __iomem *uescr_register) |
| { |
| u16 uescr_value = 0; |
| |
| /* Enable hardware statistics gathering if requested */ |
| if (enable_hardware_statistics) |
| setbits32(upsmr_register, UCC_GETH_UPSMR_HSE); |
| |
| /* Clear hardware statistics counters */ |
| uescr_value = in_be16(uescr_register); |
| uescr_value |= UESCR_CLRCNT; |
| /* Automatically zero hardware statistics counters on read, |
| if requested */ |
| if (auto_zero_hardware_statistics) |
| uescr_value |= UESCR_AUTOZ; |
| out_be16(uescr_register, uescr_value); |
| |
| return 0; |
| } |
| |
| static int init_firmware_statistics_gathering_mode(int |
| enable_tx_firmware_statistics, |
| int enable_rx_firmware_statistics, |
| u32 __iomem *tx_rmon_base_ptr, |
| u32 tx_firmware_statistics_structure_address, |
| u32 __iomem *rx_rmon_base_ptr, |
| u32 rx_firmware_statistics_structure_address, |
| u16 __iomem *temoder_register, |
| u32 __iomem *remoder_register) |
| { |
| /* Note: this function does not check if */ |
| /* the parameters it receives are NULL */ |
| |
| if (enable_tx_firmware_statistics) { |
| out_be32(tx_rmon_base_ptr, |
| tx_firmware_statistics_structure_address); |
| setbits16(temoder_register, TEMODER_TX_RMON_STATISTICS_ENABLE); |
| } |
| |
| if (enable_rx_firmware_statistics) { |
| out_be32(rx_rmon_base_ptr, |
| rx_firmware_statistics_structure_address); |
| setbits32(remoder_register, REMODER_RX_RMON_STATISTICS_ENABLE); |
| } |
| |
| return 0; |
| } |
| |
| static int init_mac_station_addr_regs(u8 address_byte_0, |
| u8 address_byte_1, |
| u8 address_byte_2, |
| u8 address_byte_3, |
| u8 address_byte_4, |
| u8 address_byte_5, |
| u32 __iomem *macstnaddr1_register, |
| u32 __iomem *macstnaddr2_register) |
| { |
| u32 value = 0; |
| |
| /* Example: for a station address of 0x12345678ABCD, */ |
| /* 0x12 is byte 0, 0x34 is byte 1 and so on and 0xCD is byte 5 */ |
| |
| /* MACSTNADDR1 Register: */ |
| |
| /* 0 7 8 15 */ |
| /* station address byte 5 station address byte 4 */ |
| /* 16 23 24 31 */ |
| /* station address byte 3 station address byte 2 */ |
| value |= (u32) ((address_byte_2 << 0) & 0x000000FF); |
| value |= (u32) ((address_byte_3 << 8) & 0x0000FF00); |
| value |= (u32) ((address_byte_4 << 16) & 0x00FF0000); |
| value |= (u32) ((address_byte_5 << 24) & 0xFF000000); |
| |
| out_be32(macstnaddr1_register, value); |
| |
| /* MACSTNADDR2 Register: */ |
| |
| /* 0 7 8 15 */ |
| /* station address byte 1 station address byte 0 */ |
| /* 16 23 24 31 */ |
| /* reserved reserved */ |
| value = 0; |
| value |= (u32) ((address_byte_0 << 16) & 0x00FF0000); |
| value |= (u32) ((address_byte_1 << 24) & 0xFF000000); |
| |
| out_be32(macstnaddr2_register, value); |
| |
| return 0; |
| } |
| |
| static int init_check_frame_length_mode(int length_check, |
| u32 __iomem *maccfg2_register) |
| { |
| u32 value = 0; |
| |
| value = in_be32(maccfg2_register); |
| |
| if (length_check) |
| value |= MACCFG2_LC; |
| else |
| value &= ~MACCFG2_LC; |
| |
| out_be32(maccfg2_register, value); |
| return 0; |
| } |
| |
| static int init_preamble_length(u8 preamble_length, |
| u32 __iomem *maccfg2_register) |
| { |
| if ((preamble_length < 3) || (preamble_length > 7)) |
| return -EINVAL; |
| |
| clrsetbits_be32(maccfg2_register, MACCFG2_PREL_MASK, |
| preamble_length << MACCFG2_PREL_SHIFT); |
| |
| return 0; |
| } |
| |
| static int init_rx_parameters(int reject_broadcast, |
| int receive_short_frames, |
| int promiscuous, u32 __iomem *upsmr_register) |
| { |
| u32 value = 0; |
| |
| value = in_be32(upsmr_register); |
| |
| if (reject_broadcast) |
| value |= UCC_GETH_UPSMR_BRO; |
| else |
| value &= ~UCC_GETH_UPSMR_BRO; |
| |
| if (receive_short_frames) |
| value |= UCC_GETH_UPSMR_RSH; |
| else |
| value &= ~UCC_GETH_UPSMR_RSH; |
| |
| if (promiscuous) |
| value |= UCC_GETH_UPSMR_PRO; |
| else |
| value &= ~UCC_GETH_UPSMR_PRO; |
| |
| out_be32(upsmr_register, value); |
| |
| return 0; |
| } |
| |
| static int init_max_rx_buff_len(u16 max_rx_buf_len, |
| u16 __iomem *mrblr_register) |
| { |
| /* max_rx_buf_len value must be a multiple of 128 */ |
| if ((max_rx_buf_len == 0) || |
| (max_rx_buf_len % UCC_GETH_MRBLR_ALIGNMENT)) |
| return -EINVAL; |
| |
| out_be16(mrblr_register, max_rx_buf_len); |
| return 0; |
| } |
| |
| static int init_min_frame_len(u16 min_frame_length, |
| u16 __iomem *minflr_register, |
| u16 __iomem *mrblr_register) |
| { |
| u16 mrblr_value = 0; |
| |
| mrblr_value = in_be16(mrblr_register); |
| if (min_frame_length >= (mrblr_value - 4)) |
| return -EINVAL; |
| |
| out_be16(minflr_register, min_frame_length); |
| return 0; |
| } |
| |
| static int adjust_enet_interface(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_geth_info *ug_info; |
| struct ucc_geth __iomem *ug_regs; |
| struct ucc_fast __iomem *uf_regs; |
| int ret_val; |
| u32 upsmr, maccfg2; |
| u16 value; |
| |
| ugeth_vdbg("%s: IN", __func__); |
| |
| ug_info = ugeth->ug_info; |
| ug_regs = ugeth->ug_regs; |
| uf_regs = ugeth->uccf->uf_regs; |
| |
| /* Set MACCFG2 */ |
| maccfg2 = in_be32(&ug_regs->maccfg2); |
| maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK; |
| if ((ugeth->max_speed == SPEED_10) || |
| (ugeth->max_speed == SPEED_100)) |
| maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; |
| else if (ugeth->max_speed == SPEED_1000) |
| maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; |
| maccfg2 |= ug_info->padAndCrc; |
| out_be32(&ug_regs->maccfg2, maccfg2); |
| |
| /* Set UPSMR */ |
| upsmr = in_be32(&uf_regs->upsmr); |
| upsmr &= ~(UCC_GETH_UPSMR_RPM | UCC_GETH_UPSMR_R10M | |
| UCC_GETH_UPSMR_TBIM | UCC_GETH_UPSMR_RMM); |
| if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { |
| if (ugeth->phy_interface != PHY_INTERFACE_MODE_RMII) |
| upsmr |= UCC_GETH_UPSMR_RPM; |
| switch (ugeth->max_speed) { |
| case SPEED_10: |
| upsmr |= UCC_GETH_UPSMR_R10M; |
| fallthrough; |
| case SPEED_100: |
| if (ugeth->phy_interface != PHY_INTERFACE_MODE_RTBI) |
| upsmr |= UCC_GETH_UPSMR_RMM; |
| } |
| } |
| if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { |
| upsmr |= UCC_GETH_UPSMR_TBIM; |
| } |
| if ((ugeth->phy_interface == PHY_INTERFACE_MODE_SGMII)) |
| upsmr |= UCC_GETH_UPSMR_SGMM; |
| |
| out_be32(&uf_regs->upsmr, upsmr); |
| |
| /* Disable autonegotiation in tbi mode, because by default it |
| comes up in autonegotiation mode. */ |
| /* Note that this depends on proper setting in utbipar register. */ |
| if ((ugeth->phy_interface == PHY_INTERFACE_MODE_TBI) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { |
| struct ucc_geth_info *ug_info = ugeth->ug_info; |
| struct phy_device *tbiphy; |
| |
| if (!ug_info->tbi_node) |
| pr_warn("TBI mode requires that the device tree specify a tbi-handle\n"); |
| |
| tbiphy = of_phy_find_device(ug_info->tbi_node); |
| if (!tbiphy) |
| pr_warn("Could not get TBI device\n"); |
| |
| value = phy_read(tbiphy, ENET_TBI_MII_CR); |
| value &= ~0x1000; /* Turn off autonegotiation */ |
| phy_write(tbiphy, ENET_TBI_MII_CR, value); |
| |
| put_device(&tbiphy->mdio.dev); |
| } |
| |
| init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2); |
| |
| ret_val = init_preamble_length(ug_info->prel, &ug_regs->maccfg2); |
| if (ret_val != 0) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("Preamble length must be between 3 and 7 inclusive\n"); |
| return ret_val; |
| } |
| |
| return 0; |
| } |
| |
| static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_fast_private *uccf; |
| u32 cecr_subblock; |
| u32 temp; |
| int i = 10; |
| |
| uccf = ugeth->uccf; |
| |
| /* Mask GRACEFUL STOP TX interrupt bit and clear it */ |
| clrbits32(uccf->p_uccm, UCC_GETH_UCCE_GRA); |
| out_be32(uccf->p_ucce, UCC_GETH_UCCE_GRA); /* clear by writing 1 */ |
| |
| /* Issue host command */ |
| cecr_subblock = |
| ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); |
| qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock, |
| QE_CR_PROTOCOL_ETHERNET, 0); |
| |
| /* Wait for command to complete */ |
| do { |
| msleep(10); |
| temp = in_be32(uccf->p_ucce); |
| } while (!(temp & UCC_GETH_UCCE_GRA) && --i); |
| |
| uccf->stopped_tx = 1; |
| |
| return 0; |
| } |
| |
| static int ugeth_graceful_stop_rx(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_fast_private *uccf; |
| u32 cecr_subblock; |
| u8 temp; |
| int i = 10; |
| |
| uccf = ugeth->uccf; |
| |
| /* Clear acknowledge bit */ |
| temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack); |
| temp &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX; |
| out_8(&ugeth->p_rx_glbl_pram->rxgstpack, temp); |
| |
| /* Keep issuing command and checking acknowledge bit until |
| it is asserted, according to spec */ |
| do { |
| /* Issue host command */ |
| cecr_subblock = |
| ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info. |
| ucc_num); |
| qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock, |
| QE_CR_PROTOCOL_ETHERNET, 0); |
| msleep(10); |
| temp = in_8(&ugeth->p_rx_glbl_pram->rxgstpack); |
| } while (!(temp & GRACEFUL_STOP_ACKNOWLEDGE_RX) && --i); |
| |
| uccf->stopped_rx = 1; |
| |
| return 0; |
| } |
| |
| static int ugeth_restart_tx(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_fast_private *uccf; |
| u32 cecr_subblock; |
| |
| uccf = ugeth->uccf; |
| |
| cecr_subblock = |
| ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); |
| qe_issue_cmd(QE_RESTART_TX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, 0); |
| uccf->stopped_tx = 0; |
| |
| return 0; |
| } |
| |
| static int ugeth_restart_rx(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_fast_private *uccf; |
| u32 cecr_subblock; |
| |
| uccf = ugeth->uccf; |
| |
| cecr_subblock = |
| ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); |
| qe_issue_cmd(QE_RESTART_RX, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, |
| 0); |
| uccf->stopped_rx = 0; |
| |
| return 0; |
| } |
| |
| static int ugeth_enable(struct ucc_geth_private *ugeth, enum comm_dir mode) |
| { |
| struct ucc_fast_private *uccf; |
| int enabled_tx, enabled_rx; |
| |
| uccf = ugeth->uccf; |
| |
| /* check if the UCC number is in range. */ |
| if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("ucc_num out of range\n"); |
| return -EINVAL; |
| } |
| |
| enabled_tx = uccf->enabled_tx; |
| enabled_rx = uccf->enabled_rx; |
| |
| /* Get Tx and Rx going again, in case this channel was actively |
| disabled. */ |
| if ((mode & COMM_DIR_TX) && (!enabled_tx) && uccf->stopped_tx) |
| ugeth_restart_tx(ugeth); |
| if ((mode & COMM_DIR_RX) && (!enabled_rx) && uccf->stopped_rx) |
| ugeth_restart_rx(ugeth); |
| |
| ucc_fast_enable(uccf, mode); /* OK to do even if not disabled */ |
| |
| return 0; |
| |
| } |
| |
| static int ugeth_disable(struct ucc_geth_private *ugeth, enum comm_dir mode) |
| { |
| struct ucc_fast_private *uccf; |
| |
| uccf = ugeth->uccf; |
| |
| /* check if the UCC number is in range. */ |
| if (ugeth->ug_info->uf_info.ucc_num >= UCC_MAX_NUM) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("ucc_num out of range\n"); |
| return -EINVAL; |
| } |
| |
| /* Stop any transmissions */ |
| if ((mode & COMM_DIR_TX) && uccf->enabled_tx && !uccf->stopped_tx) |
| ugeth_graceful_stop_tx(ugeth); |
| |
| /* Stop any receptions */ |
| if ((mode & COMM_DIR_RX) && uccf->enabled_rx && !uccf->stopped_rx) |
| ugeth_graceful_stop_rx(ugeth); |
| |
| ucc_fast_disable(ugeth->uccf, mode); /* OK to do even if not enabled */ |
| |
| return 0; |
| } |
| |
| static void ugeth_quiesce(struct ucc_geth_private *ugeth) |
| { |
| /* Prevent any further xmits */ |
| netif_tx_stop_all_queues(ugeth->ndev); |
| |
| /* Disable the interrupt to avoid NAPI rescheduling. */ |
| disable_irq(ugeth->ug_info->uf_info.irq); |
| |
| /* Stop NAPI, and possibly wait for its completion. */ |
| napi_disable(&ugeth->napi); |
| } |
| |
| static void ugeth_activate(struct ucc_geth_private *ugeth) |
| { |
| napi_enable(&ugeth->napi); |
| enable_irq(ugeth->ug_info->uf_info.irq); |
| |
| /* allow to xmit again */ |
| netif_tx_wake_all_queues(ugeth->ndev); |
| __netdev_watchdog_up(ugeth->ndev); |
| } |
| |
| /* Called every time the controller might need to be made |
| * aware of new link state. The PHY code conveys this |
| * information through variables in the ugeth structure, and this |
| * function converts those variables into the appropriate |
| * register values, and can bring down the device if needed. |
| */ |
| |
| static void adjust_link(struct net_device *dev) |
| { |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| struct ucc_geth __iomem *ug_regs; |
| struct ucc_fast __iomem *uf_regs; |
| struct phy_device *phydev = ugeth->phydev; |
| int new_state = 0; |
| |
| ug_regs = ugeth->ug_regs; |
| uf_regs = ugeth->uccf->uf_regs; |
| |
| if (phydev->link) { |
| u32 tempval = in_be32(&ug_regs->maccfg2); |
| u32 upsmr = in_be32(&uf_regs->upsmr); |
| /* Now we make sure that we can be in full duplex mode. |
| * If not, we operate in half-duplex mode. */ |
| if (phydev->duplex != ugeth->oldduplex) { |
| new_state = 1; |
| if (!(phydev->duplex)) |
| tempval &= ~(MACCFG2_FDX); |
| else |
| tempval |= MACCFG2_FDX; |
| ugeth->oldduplex = phydev->duplex; |
| } |
| |
| if (phydev->speed != ugeth->oldspeed) { |
| new_state = 1; |
| switch (phydev->speed) { |
| case SPEED_1000: |
| tempval = ((tempval & |
| ~(MACCFG2_INTERFACE_MODE_MASK)) | |
| MACCFG2_INTERFACE_MODE_BYTE); |
| break; |
| case SPEED_100: |
| case SPEED_10: |
| tempval = ((tempval & |
| ~(MACCFG2_INTERFACE_MODE_MASK)) | |
| MACCFG2_INTERFACE_MODE_NIBBLE); |
| /* if reduced mode, re-set UPSMR.R10M */ |
| if ((ugeth->phy_interface == PHY_INTERFACE_MODE_RMII) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_ID) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) || |
| (ugeth->phy_interface == PHY_INTERFACE_MODE_RTBI)) { |
| if (phydev->speed == SPEED_10) |
| upsmr |= UCC_GETH_UPSMR_R10M; |
| else |
| upsmr &= ~UCC_GETH_UPSMR_R10M; |
| } |
| break; |
| default: |
| if (netif_msg_link(ugeth)) |
| pr_warn( |
| "%s: Ack! Speed (%d) is not 10/100/1000!", |
| dev->name, phydev->speed); |
| break; |
| } |
| ugeth->oldspeed = phydev->speed; |
| } |
| |
| if (!ugeth->oldlink) { |
| new_state = 1; |
| ugeth->oldlink = 1; |
| } |
| |
| if (new_state) { |
| /* |
| * To change the MAC configuration we need to disable |
| * the controller. To do so, we have to either grab |
| * ugeth->lock, which is a bad idea since 'graceful |
| * stop' commands might take quite a while, or we can |
| * quiesce driver's activity. |
| */ |
| ugeth_quiesce(ugeth); |
| ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); |
| |
| out_be32(&ug_regs->maccfg2, tempval); |
| out_be32(&uf_regs->upsmr, upsmr); |
| |
| ugeth_enable(ugeth, COMM_DIR_RX_AND_TX); |
| ugeth_activate(ugeth); |
| } |
| } else if (ugeth->oldlink) { |
| new_state = 1; |
| ugeth->oldlink = 0; |
| ugeth->oldspeed = 0; |
| ugeth->oldduplex = -1; |
| } |
| |
| if (new_state && netif_msg_link(ugeth)) |
| phy_print_status(phydev); |
| } |
| |
| /* Initialize TBI PHY interface for communicating with the |
| * SERDES lynx PHY on the chip. We communicate with this PHY |
| * through the MDIO bus on each controller, treating it as a |
| * "normal" PHY at the address found in the UTBIPA register. We assume |
| * that the UTBIPA register is valid. Either the MDIO bus code will set |
| * it to a value that doesn't conflict with other PHYs on the bus, or the |
| * value doesn't matter, as there are no other PHYs on the bus. |
| */ |
| static void uec_configure_serdes(struct net_device *dev) |
| { |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| struct ucc_geth_info *ug_info = ugeth->ug_info; |
| struct phy_device *tbiphy; |
| |
| if (!ug_info->tbi_node) { |
| dev_warn(&dev->dev, "SGMII mode requires that the device " |
| "tree specify a tbi-handle\n"); |
| return; |
| } |
| |
| tbiphy = of_phy_find_device(ug_info->tbi_node); |
| if (!tbiphy) { |
| dev_err(&dev->dev, "error: Could not get TBI device\n"); |
| return; |
| } |
| |
| /* |
| * If the link is already up, we must already be ok, and don't need to |
| * configure and reset the TBI<->SerDes link. Maybe U-Boot configured |
| * everything for us? Resetting it takes the link down and requires |
| * several seconds for it to come back. |
| */ |
| if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS) { |
| put_device(&tbiphy->mdio.dev); |
| return; |
| } |
| |
| /* Single clk mode, mii mode off(for serdes communication) */ |
| phy_write(tbiphy, ENET_TBI_MII_ANA, TBIANA_SETTINGS); |
| |
| phy_write(tbiphy, ENET_TBI_MII_TBICON, TBICON_CLK_SELECT); |
| |
| phy_write(tbiphy, ENET_TBI_MII_CR, TBICR_SETTINGS); |
| |
| put_device(&tbiphy->mdio.dev); |
| } |
| |
| /* Configure the PHY for dev. |
| * returns 0 if success. -1 if failure |
| */ |
| static int init_phy(struct net_device *dev) |
| { |
| struct ucc_geth_private *priv = netdev_priv(dev); |
| struct ucc_geth_info *ug_info = priv->ug_info; |
| struct phy_device *phydev; |
| |
| priv->oldlink = 0; |
| priv->oldspeed = 0; |
| priv->oldduplex = -1; |
| |
| phydev = of_phy_connect(dev, ug_info->phy_node, &adjust_link, 0, |
| priv->phy_interface); |
| if (!phydev) { |
| dev_err(&dev->dev, "Could not attach to PHY\n"); |
| return -ENODEV; |
| } |
| |
| if (priv->phy_interface == PHY_INTERFACE_MODE_SGMII) |
| uec_configure_serdes(dev); |
| |
| phy_set_max_speed(phydev, priv->max_speed); |
| |
| priv->phydev = phydev; |
| |
| return 0; |
| } |
| |
| static void ugeth_dump_regs(struct ucc_geth_private *ugeth) |
| { |
| #ifdef DEBUG |
| ucc_fast_dump_regs(ugeth->uccf); |
| dump_regs(ugeth); |
| dump_bds(ugeth); |
| #endif |
| } |
| |
| static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private * |
| ugeth, |
| enum enet_addr_type |
| enet_addr_type) |
| { |
| struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
| struct ucc_fast_private *uccf; |
| enum comm_dir comm_dir; |
| struct list_head *p_lh; |
| u16 i, num; |
| u32 __iomem *addr_h; |
| u32 __iomem *addr_l; |
| u8 *p_counter; |
| |
| uccf = ugeth->uccf; |
| |
| p_82xx_addr_filt = |
| (struct ucc_geth_82xx_address_filtering_pram __iomem *) |
| ugeth->p_rx_glbl_pram->addressfiltering; |
| |
| if (enet_addr_type == ENET_ADDR_TYPE_GROUP) { |
| addr_h = &(p_82xx_addr_filt->gaddr_h); |
| addr_l = &(p_82xx_addr_filt->gaddr_l); |
| p_lh = &ugeth->group_hash_q; |
| p_counter = &(ugeth->numGroupAddrInHash); |
| } else if (enet_addr_type == ENET_ADDR_TYPE_INDIVIDUAL) { |
| addr_h = &(p_82xx_addr_filt->iaddr_h); |
| addr_l = &(p_82xx_addr_filt->iaddr_l); |
| p_lh = &ugeth->ind_hash_q; |
| p_counter = &(ugeth->numIndAddrInHash); |
| } else |
| return -EINVAL; |
| |
| comm_dir = 0; |
| if (uccf->enabled_tx) |
| comm_dir |= COMM_DIR_TX; |
| if (uccf->enabled_rx) |
| comm_dir |= COMM_DIR_RX; |
| if (comm_dir) |
| ugeth_disable(ugeth, comm_dir); |
| |
| /* Clear the hash table. */ |
| out_be32(addr_h, 0x00000000); |
| out_be32(addr_l, 0x00000000); |
| |
| if (!p_lh) |
| return 0; |
| |
| num = *p_counter; |
| |
| /* Delete all remaining CQ elements */ |
| for (i = 0; i < num; i++) |
| put_enet_addr_container(ENET_ADDR_CONT_ENTRY(dequeue(p_lh))); |
| |
| *p_counter = 0; |
| |
| if (comm_dir) |
| ugeth_enable(ugeth, comm_dir); |
| |
| return 0; |
| } |
| |
| static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth, |
| u8 paddr_num) |
| { |
| ugeth->indAddrRegUsed[paddr_num] = 0; /* mark this paddr as not used */ |
| return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */ |
| } |
| |
| static void ucc_geth_free_rx(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_geth_info *ug_info; |
| struct ucc_fast_info *uf_info; |
| u16 i, j; |
| u8 __iomem *bd; |
| |
| |
| ug_info = ugeth->ug_info; |
| uf_info = &ug_info->uf_info; |
| |
| for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { |
| if (ugeth->p_rx_bd_ring[i]) { |
| /* Return existing data buffers in ring */ |
| bd = ugeth->p_rx_bd_ring[i]; |
| for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) { |
| if (ugeth->rx_skbuff[i][j]) { |
| dma_unmap_single(ugeth->dev, |
| in_be32(&((struct qe_bd __iomem *)bd)->buf), |
| ugeth->ug_info-> |
| uf_info.max_rx_buf_length + |
| UCC_GETH_RX_DATA_BUF_ALIGNMENT, |
| DMA_FROM_DEVICE); |
| dev_kfree_skb_any( |
| ugeth->rx_skbuff[i][j]); |
| ugeth->rx_skbuff[i][j] = NULL; |
| } |
| bd += sizeof(struct qe_bd); |
| } |
| |
| kfree(ugeth->rx_skbuff[i]); |
| |
| if (ugeth->ug_info->uf_info.bd_mem_part == |
| MEM_PART_SYSTEM) |
| kfree((void *)ugeth->rx_bd_ring_offset[i]); |
| else if (ugeth->ug_info->uf_info.bd_mem_part == |
| MEM_PART_MURAM) |
| qe_muram_free(ugeth->rx_bd_ring_offset[i]); |
| ugeth->p_rx_bd_ring[i] = NULL; |
| } |
| } |
| |
| } |
| |
| static void ucc_geth_free_tx(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_geth_info *ug_info; |
| struct ucc_fast_info *uf_info; |
| u16 i, j; |
| u8 __iomem *bd; |
| |
| netdev_reset_queue(ugeth->ndev); |
| |
| ug_info = ugeth->ug_info; |
| uf_info = &ug_info->uf_info; |
| |
| for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { |
| bd = ugeth->p_tx_bd_ring[i]; |
| if (!bd) |
| continue; |
| for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) { |
| if (ugeth->tx_skbuff[i][j]) { |
| dma_unmap_single(ugeth->dev, |
| in_be32(&((struct qe_bd __iomem *)bd)->buf), |
| (in_be32((u32 __iomem *)bd) & |
| BD_LENGTH_MASK), |
| DMA_TO_DEVICE); |
| dev_kfree_skb_any(ugeth->tx_skbuff[i][j]); |
| ugeth->tx_skbuff[i][j] = NULL; |
| } |
| } |
| |
| kfree(ugeth->tx_skbuff[i]); |
| |
| if (ugeth->p_tx_bd_ring[i]) { |
| if (ugeth->ug_info->uf_info.bd_mem_part == |
| MEM_PART_SYSTEM) |
| kfree((void *)ugeth->tx_bd_ring_offset[i]); |
| else if (ugeth->ug_info->uf_info.bd_mem_part == |
| MEM_PART_MURAM) |
| qe_muram_free(ugeth->tx_bd_ring_offset[i]); |
| ugeth->p_tx_bd_ring[i] = NULL; |
| } |
| } |
| |
| } |
| |
| static void ucc_geth_memclean(struct ucc_geth_private *ugeth) |
| { |
| if (!ugeth) |
| return; |
| |
| if (ugeth->uccf) { |
| ucc_fast_free(ugeth->uccf); |
| ugeth->uccf = NULL; |
| } |
| |
| if (ugeth->p_thread_data_tx) { |
| qe_muram_free(ugeth->thread_dat_tx_offset); |
| ugeth->p_thread_data_tx = NULL; |
| } |
| if (ugeth->p_thread_data_rx) { |
| qe_muram_free(ugeth->thread_dat_rx_offset); |
| ugeth->p_thread_data_rx = NULL; |
| } |
| if (ugeth->p_exf_glbl_param) { |
| qe_muram_free(ugeth->exf_glbl_param_offset); |
| ugeth->p_exf_glbl_param = NULL; |
| } |
| if (ugeth->p_rx_glbl_pram) { |
| qe_muram_free(ugeth->rx_glbl_pram_offset); |
| ugeth->p_rx_glbl_pram = NULL; |
| } |
| if (ugeth->p_tx_glbl_pram) { |
| qe_muram_free(ugeth->tx_glbl_pram_offset); |
| ugeth->p_tx_glbl_pram = NULL; |
| } |
| if (ugeth->p_send_q_mem_reg) { |
| qe_muram_free(ugeth->send_q_mem_reg_offset); |
| ugeth->p_send_q_mem_reg = NULL; |
| } |
| if (ugeth->p_scheduler) { |
| qe_muram_free(ugeth->scheduler_offset); |
| ugeth->p_scheduler = NULL; |
| } |
| if (ugeth->p_tx_fw_statistics_pram) { |
| qe_muram_free(ugeth->tx_fw_statistics_pram_offset); |
| ugeth->p_tx_fw_statistics_pram = NULL; |
| } |
| if (ugeth->p_rx_fw_statistics_pram) { |
| qe_muram_free(ugeth->rx_fw_statistics_pram_offset); |
| ugeth->p_rx_fw_statistics_pram = NULL; |
| } |
| if (ugeth->p_rx_irq_coalescing_tbl) { |
| qe_muram_free(ugeth->rx_irq_coalescing_tbl_offset); |
| ugeth->p_rx_irq_coalescing_tbl = NULL; |
| } |
| if (ugeth->p_rx_bd_qs_tbl) { |
| qe_muram_free(ugeth->rx_bd_qs_tbl_offset); |
| ugeth->p_rx_bd_qs_tbl = NULL; |
| } |
| if (ugeth->p_init_enet_param_shadow) { |
| return_init_enet_entries(ugeth, |
| &(ugeth->p_init_enet_param_shadow-> |
| rxthread[0]), |
| ENET_INIT_PARAM_MAX_ENTRIES_RX, |
| ugeth->ug_info->riscRx, 1); |
| return_init_enet_entries(ugeth, |
| &(ugeth->p_init_enet_param_shadow-> |
| txthread[0]), |
| ENET_INIT_PARAM_MAX_ENTRIES_TX, |
| ugeth->ug_info->riscTx, 0); |
| kfree(ugeth->p_init_enet_param_shadow); |
| ugeth->p_init_enet_param_shadow = NULL; |
| } |
| ucc_geth_free_tx(ugeth); |
| ucc_geth_free_rx(ugeth); |
| while (!list_empty(&ugeth->group_hash_q)) |
| put_enet_addr_container(ENET_ADDR_CONT_ENTRY |
| (dequeue(&ugeth->group_hash_q))); |
| while (!list_empty(&ugeth->ind_hash_q)) |
| put_enet_addr_container(ENET_ADDR_CONT_ENTRY |
| (dequeue(&ugeth->ind_hash_q))); |
| if (ugeth->ug_regs) { |
| iounmap(ugeth->ug_regs); |
| ugeth->ug_regs = NULL; |
| } |
| } |
| |
| static void ucc_geth_set_multi(struct net_device *dev) |
| { |
| struct ucc_geth_private *ugeth; |
| struct netdev_hw_addr *ha; |
| struct ucc_fast __iomem *uf_regs; |
| struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
| |
| ugeth = netdev_priv(dev); |
| |
| uf_regs = ugeth->uccf->uf_regs; |
| |
| if (dev->flags & IFF_PROMISC) { |
| setbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO); |
| } else { |
| clrbits32(&uf_regs->upsmr, UCC_GETH_UPSMR_PRO); |
| |
| p_82xx_addr_filt = |
| (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth-> |
| p_rx_glbl_pram->addressfiltering; |
| |
| if (dev->flags & IFF_ALLMULTI) { |
| /* Catch all multicast addresses, so set the |
| * filter to all 1's. |
| */ |
| out_be32(&p_82xx_addr_filt->gaddr_h, 0xffffffff); |
| out_be32(&p_82xx_addr_filt->gaddr_l, 0xffffffff); |
| } else { |
| /* Clear filter and add the addresses in the list. |
| */ |
| out_be32(&p_82xx_addr_filt->gaddr_h, 0x0); |
| out_be32(&p_82xx_addr_filt->gaddr_l, 0x0); |
| |
| netdev_for_each_mc_addr(ha, dev) { |
| /* Ask CPM to run CRC and set bit in |
| * filter mask. |
| */ |
| hw_add_addr_in_hash(ugeth, ha->addr); |
| } |
| } |
| } |
| } |
| |
| static void ucc_geth_stop(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_geth __iomem *ug_regs = ugeth->ug_regs; |
| struct phy_device *phydev = ugeth->phydev; |
| |
| ugeth_vdbg("%s: IN", __func__); |
| |
| /* |
| * Tell the kernel the link is down. |
| * Must be done before disabling the controller |
| * or deadlock may happen. |
| */ |
| phy_stop(phydev); |
| |
| /* Disable the controller */ |
| ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); |
| |
| /* Mask all interrupts */ |
| out_be32(ugeth->uccf->p_uccm, 0x00000000); |
| |
| /* Clear all interrupts */ |
| out_be32(ugeth->uccf->p_ucce, 0xffffffff); |
| |
| /* Disable Rx and Tx */ |
| clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX); |
| |
| ucc_geth_memclean(ugeth); |
| } |
| |
| static int ucc_struct_init(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_geth_info *ug_info; |
| struct ucc_fast_info *uf_info; |
| int i; |
| |
| ug_info = ugeth->ug_info; |
| uf_info = &ug_info->uf_info; |
| |
| if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) || |
| (uf_info->bd_mem_part == MEM_PART_MURAM))) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("Bad memory partition value\n"); |
| return -EINVAL; |
| } |
| |
| /* Rx BD lengths */ |
| for (i = 0; i < ug_info->numQueuesRx; i++) { |
| if ((ug_info->bdRingLenRx[i] < UCC_GETH_RX_BD_RING_SIZE_MIN) || |
| (ug_info->bdRingLenRx[i] % |
| UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT)) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("Rx BD ring length must be multiple of 4, no smaller than 8\n"); |
| return -EINVAL; |
| } |
| } |
| |
| /* Tx BD lengths */ |
| for (i = 0; i < ug_info->numQueuesTx; i++) { |
| if (ug_info->bdRingLenTx[i] < UCC_GETH_TX_BD_RING_SIZE_MIN) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("Tx BD ring length must be no smaller than 2\n"); |
| return -EINVAL; |
| } |
| } |
| |
| /* mrblr */ |
| if ((uf_info->max_rx_buf_length == 0) || |
| (uf_info->max_rx_buf_length % UCC_GETH_MRBLR_ALIGNMENT)) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("max_rx_buf_length must be non-zero multiple of 128\n"); |
| return -EINVAL; |
| } |
| |
| /* num Tx queues */ |
| if (ug_info->numQueuesTx > NUM_TX_QUEUES) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("number of tx queues too large\n"); |
| return -EINVAL; |
| } |
| |
| /* num Rx queues */ |
| if (ug_info->numQueuesRx > NUM_RX_QUEUES) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("number of rx queues too large\n"); |
| return -EINVAL; |
| } |
| |
| /* l2qt */ |
| for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) { |
| if (ug_info->l2qt[i] >= ug_info->numQueuesRx) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("VLAN priority table entry must not be larger than number of Rx queues\n"); |
| return -EINVAL; |
| } |
| } |
| |
| /* l3qt */ |
| for (i = 0; i < UCC_GETH_IP_PRIORITY_MAX; i++) { |
| if (ug_info->l3qt[i] >= ug_info->numQueuesRx) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("IP priority table entry must not be larger than number of Rx queues\n"); |
| return -EINVAL; |
| } |
| } |
| |
| if (ug_info->cam && !ug_info->ecamptr) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("If cam mode is chosen, must supply cam ptr\n"); |
| return -EINVAL; |
| } |
| |
| if ((ug_info->numStationAddresses != |
| UCC_GETH_NUM_OF_STATION_ADDRESSES_1) && |
| ug_info->rxExtendedFiltering) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("Number of station addresses greater than 1 not allowed in extended parsing mode\n"); |
| return -EINVAL; |
| } |
| |
| /* Generate uccm_mask for receive */ |
| uf_info->uccm_mask = ug_info->eventRegMask & UCCE_OTHER;/* Errors */ |
| for (i = 0; i < ug_info->numQueuesRx; i++) |
| uf_info->uccm_mask |= (UCC_GETH_UCCE_RXF0 << i); |
| |
| for (i = 0; i < ug_info->numQueuesTx; i++) |
| uf_info->uccm_mask |= (UCC_GETH_UCCE_TXB0 << i); |
| /* Initialize the general fast UCC block. */ |
| if (ucc_fast_init(uf_info, &ugeth->uccf)) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("Failed to init uccf\n"); |
| return -ENOMEM; |
| } |
| |
| /* read the number of risc engines, update the riscTx and riscRx |
| * if there are 4 riscs in QE |
| */ |
| if (qe_get_num_of_risc() == 4) { |
| ug_info->riscTx = QE_RISC_ALLOCATION_FOUR_RISCS; |
| ug_info->riscRx = QE_RISC_ALLOCATION_FOUR_RISCS; |
| } |
| |
| ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs)); |
| if (!ugeth->ug_regs) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("Failed to ioremap regs\n"); |
| return -ENOMEM; |
| } |
| |
| return 0; |
| } |
| |
| static int ucc_geth_alloc_tx(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_geth_info *ug_info; |
| struct ucc_fast_info *uf_info; |
| int length; |
| u16 i, j; |
| u8 __iomem *bd; |
| |
| ug_info = ugeth->ug_info; |
| uf_info = &ug_info->uf_info; |
| |
| /* Allocate Tx bds */ |
| for (j = 0; j < ug_info->numQueuesTx; j++) { |
| /* Allocate in multiple of |
| UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT, |
| according to spec */ |
| length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) |
| / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) |
| * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; |
| if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) % |
| UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) |
| length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; |
| if (uf_info->bd_mem_part == MEM_PART_SYSTEM) { |
| u32 align = 4; |
| if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4) |
| align = UCC_GETH_TX_BD_RING_ALIGNMENT; |
| ugeth->tx_bd_ring_offset[j] = |
| (u32) kmalloc((u32) (length + align), GFP_KERNEL); |
| |
| if (ugeth->tx_bd_ring_offset[j] != 0) |
| ugeth->p_tx_bd_ring[j] = |
| (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] + |
| align) & ~(align - 1)); |
| } else if (uf_info->bd_mem_part == MEM_PART_MURAM) { |
| ugeth->tx_bd_ring_offset[j] = |
| qe_muram_alloc(length, |
| UCC_GETH_TX_BD_RING_ALIGNMENT); |
| if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j])) |
| ugeth->p_tx_bd_ring[j] = |
| (u8 __iomem *) qe_muram_addr(ugeth-> |
| tx_bd_ring_offset[j]); |
| } |
| if (!ugeth->p_tx_bd_ring[j]) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate memory for Tx bd rings\n"); |
| return -ENOMEM; |
| } |
| /* Zero unused end of bd ring, according to spec */ |
| memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] + |
| ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0, |
| length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)); |
| } |
| |
| /* Init Tx bds */ |
| for (j = 0; j < ug_info->numQueuesTx; j++) { |
| /* Setup the skbuff rings */ |
| ugeth->tx_skbuff[j] = |
| kmalloc_array(ugeth->ug_info->bdRingLenTx[j], |
| sizeof(struct sk_buff *), GFP_KERNEL); |
| |
| if (ugeth->tx_skbuff[j] == NULL) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Could not allocate tx_skbuff\n"); |
| return -ENOMEM; |
| } |
| |
| for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++) |
| ugeth->tx_skbuff[j][i] = NULL; |
| |
| ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0; |
| bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j]; |
| for (i = 0; i < ug_info->bdRingLenTx[j]; i++) { |
| /* clear bd buffer */ |
| out_be32(&((struct qe_bd __iomem *)bd)->buf, 0); |
| /* set bd status and length */ |
| out_be32((u32 __iomem *)bd, 0); |
| bd += sizeof(struct qe_bd); |
| } |
| bd -= sizeof(struct qe_bd); |
| /* set bd status and length */ |
| out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */ |
| } |
| |
| return 0; |
| } |
| |
| static int ucc_geth_alloc_rx(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_geth_info *ug_info; |
| struct ucc_fast_info *uf_info; |
| int length; |
| u16 i, j; |
| u8 __iomem *bd; |
| |
| ug_info = ugeth->ug_info; |
| uf_info = &ug_info->uf_info; |
| |
| /* Allocate Rx bds */ |
| for (j = 0; j < ug_info->numQueuesRx; j++) { |
| length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd); |
| if (uf_info->bd_mem_part == MEM_PART_SYSTEM) { |
| u32 align = 4; |
| if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4) |
| align = UCC_GETH_RX_BD_RING_ALIGNMENT; |
| ugeth->rx_bd_ring_offset[j] = |
| (u32) kmalloc((u32) (length + align), GFP_KERNEL); |
| if (ugeth->rx_bd_ring_offset[j] != 0) |
| ugeth->p_rx_bd_ring[j] = |
| (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] + |
| align) & ~(align - 1)); |
| } else if (uf_info->bd_mem_part == MEM_PART_MURAM) { |
| ugeth->rx_bd_ring_offset[j] = |
| qe_muram_alloc(length, |
| UCC_GETH_RX_BD_RING_ALIGNMENT); |
| if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j])) |
| ugeth->p_rx_bd_ring[j] = |
| (u8 __iomem *) qe_muram_addr(ugeth-> |
| rx_bd_ring_offset[j]); |
| } |
| if (!ugeth->p_rx_bd_ring[j]) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate memory for Rx bd rings\n"); |
| return -ENOMEM; |
| } |
| } |
| |
| /* Init Rx bds */ |
| for (j = 0; j < ug_info->numQueuesRx; j++) { |
| /* Setup the skbuff rings */ |
| ugeth->rx_skbuff[j] = |
| kmalloc_array(ugeth->ug_info->bdRingLenRx[j], |
| sizeof(struct sk_buff *), GFP_KERNEL); |
| |
| if (ugeth->rx_skbuff[j] == NULL) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Could not allocate rx_skbuff\n"); |
| return -ENOMEM; |
| } |
| |
| for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++) |
| ugeth->rx_skbuff[j][i] = NULL; |
| |
| ugeth->skb_currx[j] = 0; |
| bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j]; |
| for (i = 0; i < ug_info->bdRingLenRx[j]; i++) { |
| /* set bd status and length */ |
| out_be32((u32 __iomem *)bd, R_I); |
| /* clear bd buffer */ |
| out_be32(&((struct qe_bd __iomem *)bd)->buf, 0); |
| bd += sizeof(struct qe_bd); |
| } |
| bd -= sizeof(struct qe_bd); |
| /* set bd status and length */ |
| out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */ |
| } |
| |
| return 0; |
| } |
| |
| static int ucc_geth_startup(struct ucc_geth_private *ugeth) |
| { |
| struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; |
| struct ucc_geth_init_pram __iomem *p_init_enet_pram; |
| struct ucc_fast_private *uccf; |
| struct ucc_geth_info *ug_info; |
| struct ucc_fast_info *uf_info; |
| struct ucc_fast __iomem *uf_regs; |
| struct ucc_geth __iomem *ug_regs; |
| int ret_val = -EINVAL; |
| u32 remoder = UCC_GETH_REMODER_INIT; |
| u32 init_enet_pram_offset, cecr_subblock, command; |
| u32 ifstat, i, j, size, l2qt, l3qt; |
| u16 temoder = UCC_GETH_TEMODER_INIT; |
| u16 test; |
| u8 function_code = 0; |
| u8 __iomem *endOfRing; |
| u8 numThreadsRxNumerical, numThreadsTxNumerical; |
| |
| ugeth_vdbg("%s: IN", __func__); |
| uccf = ugeth->uccf; |
| ug_info = ugeth->ug_info; |
| uf_info = &ug_info->uf_info; |
| uf_regs = uccf->uf_regs; |
| ug_regs = ugeth->ug_regs; |
| |
| switch (ug_info->numThreadsRx) { |
| case UCC_GETH_NUM_OF_THREADS_1: |
| numThreadsRxNumerical = 1; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_2: |
| numThreadsRxNumerical = 2; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_4: |
| numThreadsRxNumerical = 4; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_6: |
| numThreadsRxNumerical = 6; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_8: |
| numThreadsRxNumerical = 8; |
| break; |
| default: |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Bad number of Rx threads value\n"); |
| return -EINVAL; |
| } |
| |
| switch (ug_info->numThreadsTx) { |
| case UCC_GETH_NUM_OF_THREADS_1: |
| numThreadsTxNumerical = 1; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_2: |
| numThreadsTxNumerical = 2; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_4: |
| numThreadsTxNumerical = 4; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_6: |
| numThreadsTxNumerical = 6; |
| break; |
| case UCC_GETH_NUM_OF_THREADS_8: |
| numThreadsTxNumerical = 8; |
| break; |
| default: |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Bad number of Tx threads value\n"); |
| return -EINVAL; |
| } |
| |
| /* Calculate rx_extended_features */ |
| ugeth->rx_non_dynamic_extended_features = ug_info->ipCheckSumCheck || |
| ug_info->ipAddressAlignment || |
| (ug_info->numStationAddresses != |
| UCC_GETH_NUM_OF_STATION_ADDRESSES_1); |
| |
| ugeth->rx_extended_features = ugeth->rx_non_dynamic_extended_features || |
| (ug_info->vlanOperationTagged != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) || |
| (ug_info->vlanOperationNonTagged != |
| UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP); |
| |
| init_default_reg_vals(&uf_regs->upsmr, |
| &ug_regs->maccfg1, &ug_regs->maccfg2); |
| |
| /* Set UPSMR */ |
| /* For more details see the hardware spec. */ |
| init_rx_parameters(ug_info->bro, |
| ug_info->rsh, ug_info->pro, &uf_regs->upsmr); |
| |
| /* We're going to ignore other registers for now, */ |
| /* except as needed to get up and running */ |
| |
| /* Set MACCFG1 */ |
| /* For more details see the hardware spec. */ |
| init_flow_control_params(ug_info->aufc, |
| ug_info->receiveFlowControl, |
| ug_info->transmitFlowControl, |
| ug_info->pausePeriod, |
| ug_info->extensionField, |
| &uf_regs->upsmr, |
| &ug_regs->uempr, &ug_regs->maccfg1); |
| |
| setbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX); |
| |
| /* Set IPGIFG */ |
| /* For more details see the hardware spec. */ |
| ret_val = init_inter_frame_gap_params(ug_info->nonBackToBackIfgPart1, |
| ug_info->nonBackToBackIfgPart2, |
| ug_info-> |
| miminumInterFrameGapEnforcement, |
| ug_info->backToBackInterFrameGap, |
| &ug_regs->ipgifg); |
| if (ret_val != 0) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("IPGIFG initialization parameter too large\n"); |
| return ret_val; |
| } |
| |
| /* Set HAFDUP */ |
| /* For more details see the hardware spec. */ |
| ret_val = init_half_duplex_params(ug_info->altBeb, |
| ug_info->backPressureNoBackoff, |
| ug_info->noBackoff, |
| ug_info->excessDefer, |
| ug_info->altBebTruncation, |
| ug_info->maxRetransmission, |
| ug_info->collisionWindow, |
| &ug_regs->hafdup); |
| if (ret_val != 0) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Half Duplex initialization parameter too large\n"); |
| return ret_val; |
| } |
| |
| /* Set IFSTAT */ |
| /* For more details see the hardware spec. */ |
| /* Read only - resets upon read */ |
| ifstat = in_be32(&ug_regs->ifstat); |
| |
| /* Clear UEMPR */ |
| /* For more details see the hardware spec. */ |
| out_be32(&ug_regs->uempr, 0); |
| |
| /* Set UESCR */ |
| /* For more details see the hardware spec. */ |
| init_hw_statistics_gathering_mode((ug_info->statisticsMode & |
| UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE), |
| 0, &uf_regs->upsmr, &ug_regs->uescr); |
| |
| ret_val = ucc_geth_alloc_tx(ugeth); |
| if (ret_val != 0) |
| return ret_val; |
| |
| ret_val = ucc_geth_alloc_rx(ugeth); |
| if (ret_val != 0) |
| return ret_val; |
| |
| /* |
| * Global PRAM |
| */ |
| /* Tx global PRAM */ |
| /* Allocate global tx parameter RAM page */ |
| ugeth->tx_glbl_pram_offset = |
| qe_muram_alloc(sizeof(struct ucc_geth_tx_global_pram), |
| UCC_GETH_TX_GLOBAL_PRAM_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->tx_glbl_pram_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_tx_glbl_pram\n"); |
| return -ENOMEM; |
| } |
| ugeth->p_tx_glbl_pram = |
| (struct ucc_geth_tx_global_pram __iomem *) qe_muram_addr(ugeth-> |
| tx_glbl_pram_offset); |
| /* Zero out p_tx_glbl_pram */ |
| memset_io((void __iomem *)ugeth->p_tx_glbl_pram, 0, sizeof(struct ucc_geth_tx_global_pram)); |
| |
| /* Fill global PRAM */ |
| |
| /* TQPTR */ |
| /* Size varies with number of Tx threads */ |
| ugeth->thread_dat_tx_offset = |
| qe_muram_alloc(numThreadsTxNumerical * |
| sizeof(struct ucc_geth_thread_data_tx) + |
| 32 * (numThreadsTxNumerical == 1), |
| UCC_GETH_THREAD_DATA_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->thread_dat_tx_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_thread_data_tx\n"); |
| return -ENOMEM; |
| } |
| |
| ugeth->p_thread_data_tx = |
| (struct ucc_geth_thread_data_tx __iomem *) qe_muram_addr(ugeth-> |
| thread_dat_tx_offset); |
| out_be32(&ugeth->p_tx_glbl_pram->tqptr, ugeth->thread_dat_tx_offset); |
| |
| /* vtagtable */ |
| for (i = 0; i < UCC_GETH_TX_VTAG_TABLE_ENTRY_MAX; i++) |
| out_be32(&ugeth->p_tx_glbl_pram->vtagtable[i], |
| ug_info->vtagtable[i]); |
| |
| /* iphoffset */ |
| for (i = 0; i < TX_IP_OFFSET_ENTRY_MAX; i++) |
| out_8(&ugeth->p_tx_glbl_pram->iphoffset[i], |
| ug_info->iphoffset[i]); |
| |
| /* SQPTR */ |
| /* Size varies with number of Tx queues */ |
| ugeth->send_q_mem_reg_offset = |
| qe_muram_alloc(ug_info->numQueuesTx * |
| sizeof(struct ucc_geth_send_queue_qd), |
| UCC_GETH_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->send_q_mem_reg_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_send_q_mem_reg\n"); |
| return -ENOMEM; |
| } |
| |
| ugeth->p_send_q_mem_reg = |
| (struct ucc_geth_send_queue_mem_region __iomem *) qe_muram_addr(ugeth-> |
| send_q_mem_reg_offset); |
| out_be32(&ugeth->p_tx_glbl_pram->sqptr, ugeth->send_q_mem_reg_offset); |
| |
| /* Setup the table */ |
| /* Assume BD rings are already established */ |
| for (i = 0; i < ug_info->numQueuesTx; i++) { |
| endOfRing = |
| ugeth->p_tx_bd_ring[i] + (ug_info->bdRingLenTx[i] - |
| 1) * sizeof(struct qe_bd); |
| if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) { |
| out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base, |
| (u32) virt_to_phys(ugeth->p_tx_bd_ring[i])); |
| out_be32(&ugeth->p_send_q_mem_reg->sqqd[i]. |
| last_bd_completed_address, |
| (u32) virt_to_phys(endOfRing)); |
| } else if (ugeth->ug_info->uf_info.bd_mem_part == |
| MEM_PART_MURAM) { |
| out_be32(&ugeth->p_send_q_mem_reg->sqqd[i].bd_ring_base, |
| (u32)qe_muram_dma(ugeth->p_tx_bd_ring[i])); |
| out_be32(&ugeth->p_send_q_mem_reg->sqqd[i]. |
| last_bd_completed_address, |
| (u32)qe_muram_dma(endOfRing)); |
| } |
| } |
| |
| /* schedulerbasepointer */ |
| |
| if (ug_info->numQueuesTx > 1) { |
| /* scheduler exists only if more than 1 tx queue */ |
| ugeth->scheduler_offset = |
| qe_muram_alloc(sizeof(struct ucc_geth_scheduler), |
| UCC_GETH_SCHEDULER_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->scheduler_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_scheduler\n"); |
| return -ENOMEM; |
| } |
| |
| ugeth->p_scheduler = |
| (struct ucc_geth_scheduler __iomem *) qe_muram_addr(ugeth-> |
| scheduler_offset); |
| out_be32(&ugeth->p_tx_glbl_pram->schedulerbasepointer, |
| ugeth->scheduler_offset); |
| /* Zero out p_scheduler */ |
| memset_io((void __iomem *)ugeth->p_scheduler, 0, sizeof(struct ucc_geth_scheduler)); |
| |
| /* Set values in scheduler */ |
| out_be32(&ugeth->p_scheduler->mblinterval, |
| ug_info->mblinterval); |
| out_be16(&ugeth->p_scheduler->nortsrbytetime, |
| ug_info->nortsrbytetime); |
| out_8(&ugeth->p_scheduler->fracsiz, ug_info->fracsiz); |
| out_8(&ugeth->p_scheduler->strictpriorityq, |
| ug_info->strictpriorityq); |
| out_8(&ugeth->p_scheduler->txasap, ug_info->txasap); |
| out_8(&ugeth->p_scheduler->extrabw, ug_info->extrabw); |
| for (i = 0; i < NUM_TX_QUEUES; i++) |
| out_8(&ugeth->p_scheduler->weightfactor[i], |
| ug_info->weightfactor[i]); |
| |
| /* Set pointers to cpucount registers in scheduler */ |
| ugeth->p_cpucount[0] = &(ugeth->p_scheduler->cpucount0); |
| ugeth->p_cpucount[1] = &(ugeth->p_scheduler->cpucount1); |
| ugeth->p_cpucount[2] = &(ugeth->p_scheduler->cpucount2); |
| ugeth->p_cpucount[3] = &(ugeth->p_scheduler->cpucount3); |
| ugeth->p_cpucount[4] = &(ugeth->p_scheduler->cpucount4); |
| ugeth->p_cpucount[5] = &(ugeth->p_scheduler->cpucount5); |
| ugeth->p_cpucount[6] = &(ugeth->p_scheduler->cpucount6); |
| ugeth->p_cpucount[7] = &(ugeth->p_scheduler->cpucount7); |
| } |
| |
| /* schedulerbasepointer */ |
| /* TxRMON_PTR (statistics) */ |
| if (ug_info-> |
| statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) { |
| ugeth->tx_fw_statistics_pram_offset = |
| qe_muram_alloc(sizeof |
| (struct ucc_geth_tx_firmware_statistics_pram), |
| UCC_GETH_TX_STATISTICS_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->tx_fw_statistics_pram_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_tx_fw_statistics_pram\n"); |
| return -ENOMEM; |
| } |
| ugeth->p_tx_fw_statistics_pram = |
| (struct ucc_geth_tx_firmware_statistics_pram __iomem *) |
| qe_muram_addr(ugeth->tx_fw_statistics_pram_offset); |
| /* Zero out p_tx_fw_statistics_pram */ |
| memset_io((void __iomem *)ugeth->p_tx_fw_statistics_pram, |
| 0, sizeof(struct ucc_geth_tx_firmware_statistics_pram)); |
| } |
| |
| /* temoder */ |
| /* Already has speed set */ |
| |
| if (ug_info->numQueuesTx > 1) |
| temoder |= TEMODER_SCHEDULER_ENABLE; |
| if (ug_info->ipCheckSumGenerate) |
| temoder |= TEMODER_IP_CHECKSUM_GENERATE; |
| temoder |= ((ug_info->numQueuesTx - 1) << TEMODER_NUM_OF_QUEUES_SHIFT); |
| out_be16(&ugeth->p_tx_glbl_pram->temoder, temoder); |
| |
| test = in_be16(&ugeth->p_tx_glbl_pram->temoder); |
| |
| /* Function code register value to be used later */ |
| function_code = UCC_BMR_BO_BE | UCC_BMR_GBL; |
| /* Required for QE */ |
| |
| /* function code register */ |
| out_be32(&ugeth->p_tx_glbl_pram->tstate, ((u32) function_code) << 24); |
| |
| /* Rx global PRAM */ |
| /* Allocate global rx parameter RAM page */ |
| ugeth->rx_glbl_pram_offset = |
| qe_muram_alloc(sizeof(struct ucc_geth_rx_global_pram), |
| UCC_GETH_RX_GLOBAL_PRAM_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->rx_glbl_pram_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_rx_glbl_pram\n"); |
| return -ENOMEM; |
| } |
| ugeth->p_rx_glbl_pram = |
| (struct ucc_geth_rx_global_pram __iomem *) qe_muram_addr(ugeth-> |
| rx_glbl_pram_offset); |
| /* Zero out p_rx_glbl_pram */ |
| memset_io((void __iomem *)ugeth->p_rx_glbl_pram, 0, sizeof(struct ucc_geth_rx_global_pram)); |
| |
| /* Fill global PRAM */ |
| |
| /* RQPTR */ |
| /* Size varies with number of Rx threads */ |
| ugeth->thread_dat_rx_offset = |
| qe_muram_alloc(numThreadsRxNumerical * |
| sizeof(struct ucc_geth_thread_data_rx), |
| UCC_GETH_THREAD_DATA_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->thread_dat_rx_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_thread_data_rx\n"); |
| return -ENOMEM; |
| } |
| |
| ugeth->p_thread_data_rx = |
| (struct ucc_geth_thread_data_rx __iomem *) qe_muram_addr(ugeth-> |
| thread_dat_rx_offset); |
| out_be32(&ugeth->p_rx_glbl_pram->rqptr, ugeth->thread_dat_rx_offset); |
| |
| /* typeorlen */ |
| out_be16(&ugeth->p_rx_glbl_pram->typeorlen, ug_info->typeorlen); |
| |
| /* rxrmonbaseptr (statistics) */ |
| if (ug_info-> |
| statisticsMode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) { |
| ugeth->rx_fw_statistics_pram_offset = |
| qe_muram_alloc(sizeof |
| (struct ucc_geth_rx_firmware_statistics_pram), |
| UCC_GETH_RX_STATISTICS_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->rx_fw_statistics_pram_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_rx_fw_statistics_pram\n"); |
| return -ENOMEM; |
| } |
| ugeth->p_rx_fw_statistics_pram = |
| (struct ucc_geth_rx_firmware_statistics_pram __iomem *) |
| qe_muram_addr(ugeth->rx_fw_statistics_pram_offset); |
| /* Zero out p_rx_fw_statistics_pram */ |
| memset_io((void __iomem *)ugeth->p_rx_fw_statistics_pram, 0, |
| sizeof(struct ucc_geth_rx_firmware_statistics_pram)); |
| } |
| |
| /* intCoalescingPtr */ |
| |
| /* Size varies with number of Rx queues */ |
| ugeth->rx_irq_coalescing_tbl_offset = |
| qe_muram_alloc(ug_info->numQueuesRx * |
| sizeof(struct ucc_geth_rx_interrupt_coalescing_entry) |
| + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->rx_irq_coalescing_tbl_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_rx_irq_coalescing_tbl\n"); |
| return -ENOMEM; |
| } |
| |
| ugeth->p_rx_irq_coalescing_tbl = |
| (struct ucc_geth_rx_interrupt_coalescing_table __iomem *) |
| qe_muram_addr(ugeth->rx_irq_coalescing_tbl_offset); |
| out_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr, |
| ugeth->rx_irq_coalescing_tbl_offset); |
| |
| /* Fill interrupt coalescing table */ |
| for (i = 0; i < ug_info->numQueuesRx; i++) { |
| out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i]. |
| interruptcoalescingmaxvalue, |
| ug_info->interruptcoalescingmaxvalue[i]); |
| out_be32(&ugeth->p_rx_irq_coalescing_tbl->coalescingentry[i]. |
| interruptcoalescingcounter, |
| ug_info->interruptcoalescingmaxvalue[i]); |
| } |
| |
| /* MRBLR */ |
| init_max_rx_buff_len(uf_info->max_rx_buf_length, |
| &ugeth->p_rx_glbl_pram->mrblr); |
| /* MFLR */ |
| out_be16(&ugeth->p_rx_glbl_pram->mflr, ug_info->maxFrameLength); |
| /* MINFLR */ |
| init_min_frame_len(ug_info->minFrameLength, |
| &ugeth->p_rx_glbl_pram->minflr, |
| &ugeth->p_rx_glbl_pram->mrblr); |
| /* MAXD1 */ |
| out_be16(&ugeth->p_rx_glbl_pram->maxd1, ug_info->maxD1Length); |
| /* MAXD2 */ |
| out_be16(&ugeth->p_rx_glbl_pram->maxd2, ug_info->maxD2Length); |
| |
| /* l2qt */ |
| l2qt = 0; |
| for (i = 0; i < UCC_GETH_VLAN_PRIORITY_MAX; i++) |
| l2qt |= (ug_info->l2qt[i] << (28 - 4 * i)); |
| out_be32(&ugeth->p_rx_glbl_pram->l2qt, l2qt); |
| |
| /* l3qt */ |
| for (j = 0; j < UCC_GETH_IP_PRIORITY_MAX; j += 8) { |
| l3qt = 0; |
| for (i = 0; i < 8; i++) |
| l3qt |= (ug_info->l3qt[j + i] << (28 - 4 * i)); |
| out_be32(&ugeth->p_rx_glbl_pram->l3qt[j/8], l3qt); |
| } |
| |
| /* vlantype */ |
| out_be16(&ugeth->p_rx_glbl_pram->vlantype, ug_info->vlantype); |
| |
| /* vlantci */ |
| out_be16(&ugeth->p_rx_glbl_pram->vlantci, ug_info->vlantci); |
| |
| /* ecamptr */ |
| out_be32(&ugeth->p_rx_glbl_pram->ecamptr, ug_info->ecamptr); |
| |
| /* RBDQPTR */ |
| /* Size varies with number of Rx queues */ |
| ugeth->rx_bd_qs_tbl_offset = |
| qe_muram_alloc(ug_info->numQueuesRx * |
| (sizeof(struct ucc_geth_rx_bd_queues_entry) + |
| sizeof(struct ucc_geth_rx_prefetched_bds)), |
| UCC_GETH_RX_BD_QUEUES_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->rx_bd_qs_tbl_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_rx_bd_qs_tbl\n"); |
| return -ENOMEM; |
| } |
| |
| ugeth->p_rx_bd_qs_tbl = |
| (struct ucc_geth_rx_bd_queues_entry __iomem *) qe_muram_addr(ugeth-> |
| rx_bd_qs_tbl_offset); |
| out_be32(&ugeth->p_rx_glbl_pram->rbdqptr, ugeth->rx_bd_qs_tbl_offset); |
| /* Zero out p_rx_bd_qs_tbl */ |
| memset_io((void __iomem *)ugeth->p_rx_bd_qs_tbl, |
| 0, |
| ug_info->numQueuesRx * (sizeof(struct ucc_geth_rx_bd_queues_entry) + |
| sizeof(struct ucc_geth_rx_prefetched_bds))); |
| |
| /* Setup the table */ |
| /* Assume BD rings are already established */ |
| for (i = 0; i < ug_info->numQueuesRx; i++) { |
| if (ugeth->ug_info->uf_info.bd_mem_part == MEM_PART_SYSTEM) { |
| out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, |
| (u32) virt_to_phys(ugeth->p_rx_bd_ring[i])); |
| } else if (ugeth->ug_info->uf_info.bd_mem_part == |
| MEM_PART_MURAM) { |
| out_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, |
| (u32)qe_muram_dma(ugeth->p_rx_bd_ring[i])); |
| } |
| /* rest of fields handled by QE */ |
| } |
| |
| /* remoder */ |
| /* Already has speed set */ |
| |
| if (ugeth->rx_extended_features) |
| remoder |= REMODER_RX_EXTENDED_FEATURES; |
| if (ug_info->rxExtendedFiltering) |
| remoder |= REMODER_RX_EXTENDED_FILTERING; |
| if (ug_info->dynamicMaxFrameLength) |
| remoder |= REMODER_DYNAMIC_MAX_FRAME_LENGTH; |
| if (ug_info->dynamicMinFrameLength) |
| remoder |= REMODER_DYNAMIC_MIN_FRAME_LENGTH; |
| remoder |= |
| ug_info->vlanOperationTagged << REMODER_VLAN_OPERATION_TAGGED_SHIFT; |
| remoder |= |
| ug_info-> |
| vlanOperationNonTagged << REMODER_VLAN_OPERATION_NON_TAGGED_SHIFT; |
| remoder |= ug_info->rxQoSMode << REMODER_RX_QOS_MODE_SHIFT; |
| remoder |= ((ug_info->numQueuesRx - 1) << REMODER_NUM_OF_QUEUES_SHIFT); |
| if (ug_info->ipCheckSumCheck) |
| remoder |= REMODER_IP_CHECKSUM_CHECK; |
| if (ug_info->ipAddressAlignment) |
| remoder |= REMODER_IP_ADDRESS_ALIGNMENT; |
| out_be32(&ugeth->p_rx_glbl_pram->remoder, remoder); |
| |
| /* Note that this function must be called */ |
| /* ONLY AFTER p_tx_fw_statistics_pram */ |
| /* andp_UccGethRxFirmwareStatisticsPram are allocated ! */ |
| init_firmware_statistics_gathering_mode((ug_info-> |
| statisticsMode & |
| UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX), |
| (ug_info->statisticsMode & |
| UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX), |
| &ugeth->p_tx_glbl_pram->txrmonbaseptr, |
| ugeth->tx_fw_statistics_pram_offset, |
| &ugeth->p_rx_glbl_pram->rxrmonbaseptr, |
| ugeth->rx_fw_statistics_pram_offset, |
| &ugeth->p_tx_glbl_pram->temoder, |
| &ugeth->p_rx_glbl_pram->remoder); |
| |
| /* function code register */ |
| out_8(&ugeth->p_rx_glbl_pram->rstate, function_code); |
| |
| /* initialize extended filtering */ |
| if (ug_info->rxExtendedFiltering) { |
| if (!ug_info->extendedFilteringChainPointer) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Null Extended Filtering Chain Pointer\n"); |
| return -EINVAL; |
| } |
| |
| /* Allocate memory for extended filtering Mode Global |
| Parameters */ |
| ugeth->exf_glbl_param_offset = |
| qe_muram_alloc(sizeof(struct ucc_geth_exf_global_pram), |
| UCC_GETH_RX_EXTENDED_FILTERING_GLOBAL_PARAMETERS_ALIGNMENT); |
| if (IS_ERR_VALUE(ugeth->exf_glbl_param_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_exf_glbl_param\n"); |
| return -ENOMEM; |
| } |
| |
| ugeth->p_exf_glbl_param = |
| (struct ucc_geth_exf_global_pram __iomem *) qe_muram_addr(ugeth-> |
| exf_glbl_param_offset); |
| out_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam, |
| ugeth->exf_glbl_param_offset); |
| out_be32(&ugeth->p_exf_glbl_param->l2pcdptr, |
| (u32) ug_info->extendedFilteringChainPointer); |
| |
| } else { /* initialize 82xx style address filtering */ |
| |
| /* Init individual address recognition registers to disabled */ |
| |
| for (j = 0; j < NUM_OF_PADDRS; j++) |
| ugeth_82xx_filtering_clear_addr_in_paddr(ugeth, (u8) j); |
| |
| p_82xx_addr_filt = |
| (struct ucc_geth_82xx_address_filtering_pram __iomem *) ugeth-> |
| p_rx_glbl_pram->addressfiltering; |
| |
| ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth, |
| ENET_ADDR_TYPE_GROUP); |
| ugeth_82xx_filtering_clear_all_addr_in_hash(ugeth, |
| ENET_ADDR_TYPE_INDIVIDUAL); |
| } |
| |
| /* |
| * Initialize UCC at QE level |
| */ |
| |
| command = QE_INIT_TX_RX; |
| |
| /* Allocate shadow InitEnet command parameter structure. |
| * This is needed because after the InitEnet command is executed, |
| * the structure in DPRAM is released, because DPRAM is a premium |
| * resource. |
| * This shadow structure keeps a copy of what was done so that the |
| * allocated resources can be released when the channel is freed. |
| */ |
| if (!(ugeth->p_init_enet_param_shadow = |
| kmalloc(sizeof(struct ucc_geth_init_pram), GFP_KERNEL))) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate memory for p_UccInitEnetParamShadows\n"); |
| return -ENOMEM; |
| } |
| /* Zero out *p_init_enet_param_shadow */ |
| memset((char *)ugeth->p_init_enet_param_shadow, |
| 0, sizeof(struct ucc_geth_init_pram)); |
| |
| /* Fill shadow InitEnet command parameter structure */ |
| |
| ugeth->p_init_enet_param_shadow->resinit1 = |
| ENET_INIT_PARAM_MAGIC_RES_INIT1; |
| ugeth->p_init_enet_param_shadow->resinit2 = |
| ENET_INIT_PARAM_MAGIC_RES_INIT2; |
| ugeth->p_init_enet_param_shadow->resinit3 = |
| ENET_INIT_PARAM_MAGIC_RES_INIT3; |
| ugeth->p_init_enet_param_shadow->resinit4 = |
| ENET_INIT_PARAM_MAGIC_RES_INIT4; |
| ugeth->p_init_enet_param_shadow->resinit5 = |
| ENET_INIT_PARAM_MAGIC_RES_INIT5; |
| ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= |
| ((u32) ug_info->numThreadsRx) << ENET_INIT_PARAM_RGF_SHIFT; |
| ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= |
| ((u32) ug_info->numThreadsTx) << ENET_INIT_PARAM_TGF_SHIFT; |
| |
| ugeth->p_init_enet_param_shadow->rgftgfrxglobal |= |
| ugeth->rx_glbl_pram_offset | ug_info->riscRx; |
| if ((ug_info->largestexternallookupkeysize != |
| QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE) && |
| (ug_info->largestexternallookupkeysize != |
| QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) && |
| (ug_info->largestexternallookupkeysize != |
| QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Invalid largest External Lookup Key Size\n"); |
| return -EINVAL; |
| } |
| ugeth->p_init_enet_param_shadow->largestexternallookupkeysize = |
| ug_info->largestexternallookupkeysize; |
| size = sizeof(struct ucc_geth_thread_rx_pram); |
| if (ug_info->rxExtendedFiltering) { |
| size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; |
| if (ug_info->largestexternallookupkeysize == |
| QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) |
| size += |
| THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; |
| if (ug_info->largestexternallookupkeysize == |
| QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES) |
| size += |
| THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; |
| } |
| |
| if ((ret_val = fill_init_enet_entries(ugeth, &(ugeth-> |
| p_init_enet_param_shadow->rxthread[0]), |
| (u8) (numThreadsRxNumerical + 1) |
| /* Rx needs one extra for terminator */ |
| , size, UCC_GETH_THREAD_RX_PRAM_ALIGNMENT, |
| ug_info->riscRx, 1)) != 0) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not fill p_init_enet_param_shadow\n"); |
| return ret_val; |
| } |
| |
| ugeth->p_init_enet_param_shadow->txglobal = |
| ugeth->tx_glbl_pram_offset | ug_info->riscTx; |
| if ((ret_val = |
| fill_init_enet_entries(ugeth, |
| &(ugeth->p_init_enet_param_shadow-> |
| txthread[0]), numThreadsTxNumerical, |
| sizeof(struct ucc_geth_thread_tx_pram), |
| UCC_GETH_THREAD_TX_PRAM_ALIGNMENT, |
| ug_info->riscTx, 0)) != 0) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not fill p_init_enet_param_shadow\n"); |
| return ret_val; |
| } |
| |
| /* Load Rx bds with buffers */ |
| for (i = 0; i < ug_info->numQueuesRx; i++) { |
| if ((ret_val = rx_bd_buffer_set(ugeth, (u8) i)) != 0) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not fill Rx bds with buffers\n"); |
| return ret_val; |
| } |
| } |
| |
| /* Allocate InitEnet command parameter structure */ |
| init_enet_pram_offset = qe_muram_alloc(sizeof(struct ucc_geth_init_pram), 4); |
| if (IS_ERR_VALUE(init_enet_pram_offset)) { |
| if (netif_msg_ifup(ugeth)) |
| pr_err("Can not allocate DPRAM memory for p_init_enet_pram\n"); |
| return -ENOMEM; |
| } |
| p_init_enet_pram = |
| (struct ucc_geth_init_pram __iomem *) qe_muram_addr(init_enet_pram_offset); |
| |
| /* Copy shadow InitEnet command parameter structure into PRAM */ |
| out_8(&p_init_enet_pram->resinit1, |
| ugeth->p_init_enet_param_shadow->resinit1); |
| out_8(&p_init_enet_pram->resinit2, |
| ugeth->p_init_enet_param_shadow->resinit2); |
| out_8(&p_init_enet_pram->resinit3, |
| ugeth->p_init_enet_param_shadow->resinit3); |
| out_8(&p_init_enet_pram->resinit4, |
| ugeth->p_init_enet_param_shadow->resinit4); |
| out_be16(&p_init_enet_pram->resinit5, |
| ugeth->p_init_enet_param_shadow->resinit5); |
| out_8(&p_init_enet_pram->largestexternallookupkeysize, |
| ugeth->p_init_enet_param_shadow->largestexternallookupkeysize); |
| out_be32(&p_init_enet_pram->rgftgfrxglobal, |
| ugeth->p_init_enet_param_shadow->rgftgfrxglobal); |
| for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_RX; i++) |
| out_be32(&p_init_enet_pram->rxthread[i], |
| ugeth->p_init_enet_param_shadow->rxthread[i]); |
| out_be32(&p_init_enet_pram->txglobal, |
| ugeth->p_init_enet_param_shadow->txglobal); |
| for (i = 0; i < ENET_INIT_PARAM_MAX_ENTRIES_TX; i++) |
| out_be32(&p_init_enet_pram->txthread[i], |
| ugeth->p_init_enet_param_shadow->txthread[i]); |
| |
| /* Issue QE command */ |
| cecr_subblock = |
| ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num); |
| qe_issue_cmd(command, cecr_subblock, QE_CR_PROTOCOL_ETHERNET, |
| init_enet_pram_offset); |
| |
| /* Free InitEnet command parameter */ |
| qe_muram_free(init_enet_pram_offset); |
| |
| return 0; |
| } |
| |
| /* This is called by the kernel when a frame is ready for transmission. */ |
| /* It is pointed to by the dev->hard_start_xmit function pointer */ |
| static netdev_tx_t |
| ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| { |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| #ifdef CONFIG_UGETH_TX_ON_DEMAND |
| struct ucc_fast_private *uccf; |
| #endif |
| u8 __iomem *bd; /* BD pointer */ |
| u32 bd_status; |
| u8 txQ = 0; |
| unsigned long flags; |
| |
| ugeth_vdbg("%s: IN", __func__); |
| |
| netdev_sent_queue(dev, skb->len); |
| spin_lock_irqsave(&ugeth->lock, flags); |
| |
| dev->stats.tx_bytes += skb->len; |
| |
| /* Start from the next BD that should be filled */ |
| bd = ugeth->txBd[txQ]; |
| bd_status = in_be32((u32 __iomem *)bd); |
| /* Save the skb pointer so we can free it later */ |
| ugeth->tx_skbuff[txQ][ugeth->skb_curtx[txQ]] = skb; |
| |
| /* Update the current skb pointer (wrapping if this was the last) */ |
| ugeth->skb_curtx[txQ] = |
| (ugeth->skb_curtx[txQ] + |
| 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]); |
| |
| /* set up the buffer descriptor */ |
| out_be32(&((struct qe_bd __iomem *)bd)->buf, |
| dma_map_single(ugeth->dev, skb->data, |
| skb->len, DMA_TO_DEVICE)); |
| |
| /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */ |
| |
| bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len; |
| |
| /* set bd status and length */ |
| out_be32((u32 __iomem *)bd, bd_status); |
| |
| /* Move to next BD in the ring */ |
| if (!(bd_status & T_W)) |
| bd += sizeof(struct qe_bd); |
| else |
| bd = ugeth->p_tx_bd_ring[txQ]; |
| |
| /* If the next BD still needs to be cleaned up, then the bds |
| are full. We need to tell the kernel to stop sending us stuff. */ |
| if (bd == ugeth->confBd[txQ]) { |
| if (!netif_queue_stopped(dev)) |
| netif_stop_queue(dev); |
| } |
| |
| ugeth->txBd[txQ] = bd; |
| |
| skb_tx_timestamp(skb); |
| |
| if (ugeth->p_scheduler) { |
| ugeth->cpucount[txQ]++; |
| /* Indicate to QE that there are more Tx bds ready for |
| transmission */ |
| /* This is done by writing a running counter of the bd |
| count to the scheduler PRAM. */ |
| out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]); |
| } |
| |
| #ifdef CONFIG_UGETH_TX_ON_DEMAND |
| uccf = ugeth->uccf; |
| out_be16(uccf->p_utodr, UCC_FAST_TOD); |
| #endif |
| spin_unlock_irqrestore(&ugeth->lock, flags); |
| |
| return NETDEV_TX_OK; |
| } |
| |
| static int ucc_geth_rx(struct ucc_geth_private *ugeth, u8 rxQ, int rx_work_limit) |
| { |
| struct sk_buff *skb; |
| u8 __iomem *bd; |
| u16 length, howmany = 0; |
| u32 bd_status; |
| u8 *bdBuffer; |
| struct net_device *dev; |
| |
| ugeth_vdbg("%s: IN", __func__); |
| |
| dev = ugeth->ndev; |
| |
| /* collect received buffers */ |
| bd = ugeth->rxBd[rxQ]; |
| |
| bd_status = in_be32((u32 __iomem *)bd); |
| |
| /* while there are received buffers and BD is full (~R_E) */ |
| while (!((bd_status & (R_E)) || (--rx_work_limit < 0))) { |
| bdBuffer = (u8 *) in_be32(&((struct qe_bd __iomem *)bd)->buf); |
| length = (u16) ((bd_status & BD_LENGTH_MASK) - 4); |
| skb = ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]]; |
| |
| /* determine whether buffer is first, last, first and last |
| (single buffer frame) or middle (not first and not last) */ |
| if (!skb || |
| (!(bd_status & (R_F | R_L))) || |
| (bd_status & R_ERRORS_FATAL)) { |
| if (netif_msg_rx_err(ugeth)) |
| pr_err("%d: ERROR!!! skb - 0x%08x\n", |
| __LINE__, (u32)skb); |
| dev_kfree_skb(skb); |
| |
| ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = NULL; |
| dev->stats.rx_dropped++; |
| } else { |
| dev->stats.rx_packets++; |
| howmany++; |
| |
| /* Prep the skb for the packet */ |
| skb_put(skb, length); |
| |
| /* Tell the skb what kind of packet this is */ |
| skb->protocol = eth_type_trans(skb, ugeth->ndev); |
| |
| dev->stats.rx_bytes += length; |
| /* Send the packet up the stack */ |
| netif_receive_skb(skb); |
| } |
| |
| skb = get_new_skb(ugeth, bd); |
| if (!skb) { |
| if (netif_msg_rx_err(ugeth)) |
| pr_warn("No Rx Data Buffer\n"); |
| dev->stats.rx_dropped++; |
| break; |
| } |
| |
| ugeth->rx_skbuff[rxQ][ugeth->skb_currx[rxQ]] = skb; |
| |
| /* update to point at the next skb */ |
| ugeth->skb_currx[rxQ] = |
| (ugeth->skb_currx[rxQ] + |
| 1) & RX_RING_MOD_MASK(ugeth->ug_info->bdRingLenRx[rxQ]); |
| |
| if (bd_status & R_W) |
| bd = ugeth->p_rx_bd_ring[rxQ]; |
| else |
| bd += sizeof(struct qe_bd); |
| |
| bd_status = in_be32((u32 __iomem *)bd); |
| } |
| |
| ugeth->rxBd[rxQ] = bd; |
| return howmany; |
| } |
| |
| static int ucc_geth_tx(struct net_device *dev, u8 txQ) |
| { |
| /* Start from the next BD that should be filled */ |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| unsigned int bytes_sent = 0; |
| int howmany = 0; |
| u8 __iomem *bd; /* BD pointer */ |
| u32 bd_status; |
| |
| bd = ugeth->confBd[txQ]; |
| bd_status = in_be32((u32 __iomem *)bd); |
| |
| /* Normal processing. */ |
| while ((bd_status & T_R) == 0) { |
| struct sk_buff *skb; |
| |
| /* BD contains already transmitted buffer. */ |
| /* Handle the transmitted buffer and release */ |
| /* the BD to be used with the current frame */ |
| |
| skb = ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]]; |
| if (!skb) |
| break; |
| howmany++; |
| bytes_sent += skb->len; |
| dev->stats.tx_packets++; |
| |
| dev_consume_skb_any(skb); |
| |
| ugeth->tx_skbuff[txQ][ugeth->skb_dirtytx[txQ]] = NULL; |
| ugeth->skb_dirtytx[txQ] = |
| (ugeth->skb_dirtytx[txQ] + |
| 1) & TX_RING_MOD_MASK(ugeth->ug_info->bdRingLenTx[txQ]); |
| |
| /* We freed a buffer, so now we can restart transmission */ |
| if (netif_queue_stopped(dev)) |
| netif_wake_queue(dev); |
| |
| /* Advance the confirmation BD pointer */ |
| if (!(bd_status & T_W)) |
| bd += sizeof(struct qe_bd); |
| else |
| bd = ugeth->p_tx_bd_ring[txQ]; |
| bd_status = in_be32((u32 __iomem *)bd); |
| } |
| ugeth->confBd[txQ] = bd; |
| netdev_completed_queue(dev, howmany, bytes_sent); |
| return 0; |
| } |
| |
| static int ucc_geth_poll(struct napi_struct *napi, int budget) |
| { |
| struct ucc_geth_private *ugeth = container_of(napi, struct ucc_geth_private, napi); |
| struct ucc_geth_info *ug_info; |
| int howmany, i; |
| |
| ug_info = ugeth->ug_info; |
| |
| /* Tx event processing */ |
| spin_lock(&ugeth->lock); |
| for (i = 0; i < ug_info->numQueuesTx; i++) |
| ucc_geth_tx(ugeth->ndev, i); |
| spin_unlock(&ugeth->lock); |
| |
| howmany = 0; |
| for (i = 0; i < ug_info->numQueuesRx; i++) |
| howmany += ucc_geth_rx(ugeth, i, budget - howmany); |
| |
| if (howmany < budget) { |
| napi_complete_done(napi, howmany); |
| setbits32(ugeth->uccf->p_uccm, UCCE_RX_EVENTS | UCCE_TX_EVENTS); |
| } |
| |
| return howmany; |
| } |
| |
| static irqreturn_t ucc_geth_irq_handler(int irq, void *info) |
| { |
| struct net_device *dev = info; |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| struct ucc_fast_private *uccf; |
| struct ucc_geth_info *ug_info; |
| register u32 ucce; |
| register u32 uccm; |
| |
| ugeth_vdbg("%s: IN", __func__); |
| |
| uccf = ugeth->uccf; |
| ug_info = ugeth->ug_info; |
| |
| /* read and clear events */ |
| ucce = (u32) in_be32(uccf->p_ucce); |
| uccm = (u32) in_be32(uccf->p_uccm); |
| ucce &= uccm; |
| out_be32(uccf->p_ucce, ucce); |
| |
| /* check for receive events that require processing */ |
| if (ucce & (UCCE_RX_EVENTS | UCCE_TX_EVENTS)) { |
| if (napi_schedule_prep(&ugeth->napi)) { |
| uccm &= ~(UCCE_RX_EVENTS | UCCE_TX_EVENTS); |
| out_be32(uccf->p_uccm, uccm); |
| __napi_schedule(&ugeth->napi); |
| } |
| } |
| |
| /* Errors and other events */ |
| if (ucce & UCCE_OTHER) { |
| if (ucce & UCC_GETH_UCCE_BSY) |
| dev->stats.rx_errors++; |
| if (ucce & UCC_GETH_UCCE_TXE) |
| dev->stats.tx_errors++; |
| } |
| |
| return IRQ_HANDLED; |
| } |
| |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| /* |
| * Polling 'interrupt' - used by things like netconsole to send skbs |
| * without having to re-enable interrupts. It's not called while |
| * the interrupt routine is executing. |
| */ |
| static void ucc_netpoll(struct net_device *dev) |
| { |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| int irq = ugeth->ug_info->uf_info.irq; |
| |
| disable_irq(irq); |
| ucc_geth_irq_handler(irq, dev); |
| enable_irq(irq); |
| } |
| #endif /* CONFIG_NET_POLL_CONTROLLER */ |
| |
| static int ucc_geth_set_mac_addr(struct net_device *dev, void *p) |
| { |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| struct sockaddr *addr = p; |
| |
| if (!is_valid_ether_addr(addr->sa_data)) |
| return -EADDRNOTAVAIL; |
| |
| memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| |
| /* |
| * If device is not running, we will set mac addr register |
| * when opening the device. |
| */ |
| if (!netif_running(dev)) |
| return 0; |
| |
| spin_lock_irq(&ugeth->lock); |
| init_mac_station_addr_regs(dev->dev_addr[0], |
| dev->dev_addr[1], |
| dev->dev_addr[2], |
| dev->dev_addr[3], |
| dev->dev_addr[4], |
| dev->dev_addr[5], |
| &ugeth->ug_regs->macstnaddr1, |
| &ugeth->ug_regs->macstnaddr2); |
| spin_unlock_irq(&ugeth->lock); |
| |
| return 0; |
| } |
| |
| static int ucc_geth_init_mac(struct ucc_geth_private *ugeth) |
| { |
| struct net_device *dev = ugeth->ndev; |
| int err; |
| |
| err = ucc_struct_init(ugeth); |
| if (err) { |
| netif_err(ugeth, ifup, dev, "Cannot configure internal struct, aborting\n"); |
| goto err; |
| } |
| |
| err = ucc_geth_startup(ugeth); |
| if (err) { |
| netif_err(ugeth, ifup, dev, "Cannot configure net device, aborting\n"); |
| goto err; |
| } |
| |
| err = adjust_enet_interface(ugeth); |
| if (err) { |
| netif_err(ugeth, ifup, dev, "Cannot configure net device, aborting\n"); |
| goto err; |
| } |
| |
| /* Set MACSTNADDR1, MACSTNADDR2 */ |
| /* For more details see the hardware spec. */ |
| init_mac_station_addr_regs(dev->dev_addr[0], |
| dev->dev_addr[1], |
| dev->dev_addr[2], |
| dev->dev_addr[3], |
| dev->dev_addr[4], |
| dev->dev_addr[5], |
| &ugeth->ug_regs->macstnaddr1, |
| &ugeth->ug_regs->macstnaddr2); |
| |
| err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX); |
| if (err) { |
| netif_err(ugeth, ifup, dev, "Cannot enable net device, aborting\n"); |
| goto err; |
| } |
| |
| return 0; |
| err: |
| ucc_geth_stop(ugeth); |
| return err; |
| } |
| |
| /* Called when something needs to use the ethernet device */ |
| /* Returns 0 for success. */ |
| static int ucc_geth_open(struct net_device *dev) |
| { |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| int err; |
| |
| ugeth_vdbg("%s: IN", __func__); |
| |
| /* Test station address */ |
| if (dev->dev_addr[0] & ENET_GROUP_ADDR) { |
| netif_err(ugeth, ifup, dev, |
| "Multicast address used for station address - is this what you wanted?\n"); |
| return -EINVAL; |
| } |
| |
| err = init_phy(dev); |
| if (err) { |
| netif_err(ugeth, ifup, dev, "Cannot initialize PHY, aborting\n"); |
| return err; |
| } |
| |
| err = ucc_geth_init_mac(ugeth); |
| if (err) { |
| netif_err(ugeth, ifup, dev, "Cannot initialize MAC, aborting\n"); |
| goto err; |
| } |
| |
| err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, |
| 0, "UCC Geth", dev); |
| if (err) { |
| netif_err(ugeth, ifup, dev, "Cannot get IRQ for net device, aborting\n"); |
| goto err; |
| } |
| |
| phy_start(ugeth->phydev); |
| napi_enable(&ugeth->napi); |
| netdev_reset_queue(dev); |
| netif_start_queue(dev); |
| |
| device_set_wakeup_capable(&dev->dev, |
| qe_alive_during_sleep() || ugeth->phydev->irq); |
| device_set_wakeup_enable(&dev->dev, ugeth->wol_en); |
| |
| return err; |
| |
| err: |
| ucc_geth_stop(ugeth); |
| return err; |
| } |
| |
| /* Stops the kernel queue, and halts the controller */ |
| static int ucc_geth_close(struct net_device *dev) |
| { |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| |
| ugeth_vdbg("%s: IN", __func__); |
| |
| napi_disable(&ugeth->napi); |
| |
| cancel_work_sync(&ugeth->timeout_work); |
| ucc_geth_stop(ugeth); |
| phy_disconnect(ugeth->phydev); |
| ugeth->phydev = NULL; |
| |
| free_irq(ugeth->ug_info->uf_info.irq, ugeth->ndev); |
| |
| netif_stop_queue(dev); |
| netdev_reset_queue(dev); |
| |
| return 0; |
| } |
| |
| /* Reopen device. This will reset the MAC and PHY. */ |
| static void ucc_geth_timeout_work(struct work_struct *work) |
| { |
| struct ucc_geth_private *ugeth; |
| struct net_device *dev; |
| |
| ugeth = container_of(work, struct ucc_geth_private, timeout_work); |
| dev = ugeth->ndev; |
| |
| ugeth_vdbg("%s: IN", __func__); |
| |
| dev->stats.tx_errors++; |
| |
| ugeth_dump_regs(ugeth); |
| |
| if (dev->flags & IFF_UP) { |
| /* |
| * Must reset MAC *and* PHY. This is done by reopening |
| * the device. |
| */ |
| netif_tx_stop_all_queues(dev); |
| ucc_geth_stop(ugeth); |
| ucc_geth_init_mac(ugeth); |
| /* Must start PHY here */ |
| phy_start(ugeth->phydev); |
| netif_tx_start_all_queues(dev); |
| } |
| |
| netif_tx_schedule_all(dev); |
| } |
| |
| /* |
| * ucc_geth_timeout gets called when a packet has not been |
| * transmitted after a set amount of time. |
| */ |
| static void ucc_geth_timeout(struct net_device *dev, unsigned int txqueue) |
| { |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| |
| schedule_work(&ugeth->timeout_work); |
| } |
| |
| |
| #ifdef CONFIG_PM |
| |
| static int ucc_geth_suspend(struct platform_device *ofdev, pm_message_t state) |
| { |
| struct net_device *ndev = platform_get_drvdata(ofdev); |
| struct ucc_geth_private *ugeth = netdev_priv(ndev); |
| |
| if (!netif_running(ndev)) |
| return 0; |
| |
| netif_device_detach(ndev); |
| napi_disable(&ugeth->napi); |
| |
| /* |
| * Disable the controller, otherwise we'll wakeup on any network |
| * activity. |
| */ |
| ugeth_disable(ugeth, COMM_DIR_RX_AND_TX); |
| |
| if (ugeth->wol_en & WAKE_MAGIC) { |
| setbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD); |
| setbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE); |
| ucc_fast_enable(ugeth->uccf, COMM_DIR_RX_AND_TX); |
| } else if (!(ugeth->wol_en & WAKE_PHY)) { |
| phy_stop(ugeth->phydev); |
| } |
| |
| return 0; |
| } |
| |
| static int ucc_geth_resume(struct platform_device *ofdev) |
| { |
| struct net_device *ndev = platform_get_drvdata(ofdev); |
| struct ucc_geth_private *ugeth = netdev_priv(ndev); |
| int err; |
| |
| if (!netif_running(ndev)) |
| return 0; |
| |
| if (qe_alive_during_sleep()) { |
| if (ugeth->wol_en & WAKE_MAGIC) { |
| ucc_fast_disable(ugeth->uccf, COMM_DIR_RX_AND_TX); |
| clrbits32(&ugeth->ug_regs->maccfg2, MACCFG2_MPE); |
| clrbits32(ugeth->uccf->p_uccm, UCC_GETH_UCCE_MPD); |
| } |
| ugeth_enable(ugeth, COMM_DIR_RX_AND_TX); |
| } else { |
| /* |
| * Full reinitialization is required if QE shuts down |
| * during sleep. |
| */ |
| ucc_geth_memclean(ugeth); |
| |
| err = ucc_geth_init_mac(ugeth); |
| if (err) { |
| netdev_err(ndev, "Cannot initialize MAC, aborting\n"); |
| return err; |
| } |
| } |
| |
| ugeth->oldlink = 0; |
| ugeth->oldspeed = 0; |
| ugeth->oldduplex = -1; |
| |
| phy_stop(ugeth->phydev); |
| phy_start(ugeth->phydev); |
| |
| napi_enable(&ugeth->napi); |
| netif_device_attach(ndev); |
| |
| return 0; |
| } |
| |
| #else |
| #define ucc_geth_suspend NULL |
| #define ucc_geth_resume NULL |
| #endif |
| |
| static phy_interface_t to_phy_interface(const char *phy_connection_type) |
| { |
| if (strcasecmp(phy_connection_type, "mii") == 0) |
| return PHY_INTERFACE_MODE_MII; |
| if (strcasecmp(phy_connection_type, "gmii") == 0) |
| return PHY_INTERFACE_MODE_GMII; |
| if (strcasecmp(phy_connection_type, "tbi") == 0) |
| return PHY_INTERFACE_MODE_TBI; |
| if (strcasecmp(phy_connection_type, "rmii") == 0) |
| return PHY_INTERFACE_MODE_RMII; |
| if (strcasecmp(phy_connection_type, "rgmii") == 0) |
| return PHY_INTERFACE_MODE_RGMII; |
| if (strcasecmp(phy_connection_type, "rgmii-id") == 0) |
| return PHY_INTERFACE_MODE_RGMII_ID; |
| if (strcasecmp(phy_connection_type, "rgmii-txid") == 0) |
| return PHY_INTERFACE_MODE_RGMII_TXID; |
| if (strcasecmp(phy_connection_type, "rgmii-rxid") == 0) |
| return PHY_INTERFACE_MODE_RGMII_RXID; |
| if (strcasecmp(phy_connection_type, "rtbi") == 0) |
| return PHY_INTERFACE_MODE_RTBI; |
| if (strcasecmp(phy_connection_type, "sgmii") == 0) |
| return PHY_INTERFACE_MODE_SGMII; |
| |
| return PHY_INTERFACE_MODE_MII; |
| } |
| |
| static int ucc_geth_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
| { |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| |
| if (!netif_running(dev)) |
| return -EINVAL; |
| |
| if (!ugeth->phydev) |
| return -ENODEV; |
| |
| return phy_mii_ioctl(ugeth->phydev, rq, cmd); |
| } |
| |
| static const struct net_device_ops ucc_geth_netdev_ops = { |
| .ndo_open = ucc_geth_open, |
| .ndo_stop = ucc_geth_close, |
| .ndo_start_xmit = ucc_geth_start_xmit, |
| .ndo_validate_addr = eth_validate_addr, |
| .ndo_change_carrier = fixed_phy_change_carrier, |
| .ndo_set_mac_address = ucc_geth_set_mac_addr, |
| .ndo_set_rx_mode = ucc_geth_set_multi, |
| .ndo_tx_timeout = ucc_geth_timeout, |
| .ndo_do_ioctl = ucc_geth_ioctl, |
| #ifdef CONFIG_NET_POLL_CONTROLLER |
| .ndo_poll_controller = ucc_netpoll, |
| #endif |
| }; |
| |
| static int ucc_geth_probe(struct platform_device* ofdev) |
| { |
| struct device *device = &ofdev->dev; |
| struct device_node *np = ofdev->dev.of_node; |
| struct net_device *dev = NULL; |
| struct ucc_geth_private *ugeth = NULL; |
| struct ucc_geth_info *ug_info; |
| struct resource res; |
| int err, ucc_num, max_speed = 0; |
| const unsigned int *prop; |
| const char *sprop; |
| const void *mac_addr; |
| phy_interface_t phy_interface; |
| static const int enet_to_speed[] = { |
| SPEED_10, SPEED_10, SPEED_10, |
| SPEED_100, SPEED_100, SPEED_100, |
| SPEED_1000, SPEED_1000, SPEED_1000, SPEED_1000, |
| }; |
| static const phy_interface_t enet_to_phy_interface[] = { |
| PHY_INTERFACE_MODE_MII, PHY_INTERFACE_MODE_RMII, |
| PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_MII, |
| PHY_INTERFACE_MODE_RMII, PHY_INTERFACE_MODE_RGMII, |
| PHY_INTERFACE_MODE_GMII, PHY_INTERFACE_MODE_RGMII, |
| PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_RTBI, |
| PHY_INTERFACE_MODE_SGMII, |
| }; |
| |
| ugeth_vdbg("%s: IN", __func__); |
| |
| prop = of_get_property(np, "cell-index", NULL); |
| if (!prop) { |
| prop = of_get_property(np, "device-id", NULL); |
| if (!prop) |
| return -ENODEV; |
| } |
| |
| ucc_num = *prop - 1; |
| if ((ucc_num < 0) || (ucc_num > 7)) |
| return -ENODEV; |
| |
| ug_info = &ugeth_info[ucc_num]; |
| if (ug_info == NULL) { |
| if (netif_msg_probe(&debug)) |
| pr_err("[%d] Missing additional data!\n", ucc_num); |
| return -ENODEV; |
| } |
| |
| ug_info->uf_info.ucc_num = ucc_num; |
| |
| sprop = of_get_property(np, "rx-clock-name", NULL); |
| if (sprop) { |
| ug_info->uf_info.rx_clock = qe_clock_source(sprop); |
| if ((ug_info->uf_info.rx_clock < QE_CLK_NONE) || |
| (ug_info->uf_info.rx_clock > QE_CLK24)) { |
| pr_err("invalid rx-clock-name property\n"); |
| return -EINVAL; |
| } |
| } else { |
| prop = of_get_property(np, "rx-clock", NULL); |
| if (!prop) { |
| /* If both rx-clock-name and rx-clock are missing, |
| we want to tell people to use rx-clock-name. */ |
| pr_err("missing rx-clock-name property\n"); |
| return -EINVAL; |
| } |
| if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) { |
| pr_err("invalid rx-clock property\n"); |
| return -EINVAL; |
| } |
| ug_info->uf_info.rx_clock = *prop; |
| } |
| |
| sprop = of_get_property(np, "tx-clock-name", NULL); |
| if (sprop) { |
| ug_info->uf_info.tx_clock = qe_clock_source(sprop); |
| if ((ug_info->uf_info.tx_clock < QE_CLK_NONE) || |
| (ug_info->uf_info.tx_clock > QE_CLK24)) { |
| pr_err("invalid tx-clock-name property\n"); |
| return -EINVAL; |
| } |
| } else { |
| prop = of_get_property(np, "tx-clock", NULL); |
| if (!prop) { |
| pr_err("missing tx-clock-name property\n"); |
| return -EINVAL; |
| } |
| if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) { |
| pr_err("invalid tx-clock property\n"); |
| return -EINVAL; |
| } |
| ug_info->uf_info.tx_clock = *prop; |
| } |
| |
| err = of_address_to_resource(np, 0, &res); |
| if (err) |
| return -EINVAL; |
| |
| ug_info->uf_info.regs = res.start; |
| ug_info->uf_info.irq = irq_of_parse_and_map(np, 0); |
| |
| ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0); |
| if (!ug_info->phy_node && of_phy_is_fixed_link(np)) { |
| /* |
| * In the case of a fixed PHY, the DT node associated |
| * to the PHY is the Ethernet MAC DT node. |
| */ |
| err = of_phy_register_fixed_link(np); |
| if (err) |
| return err; |
| ug_info->phy_node = of_node_get(np); |
| } |
| |
| /* Find the TBI PHY node. If it's not there, we don't support SGMII */ |
| ug_info->tbi_node = of_parse_phandle(np, "tbi-handle", 0); |
| |
| /* get the phy interface type, or default to MII */ |
| prop = of_get_property(np, "phy-connection-type", NULL); |
| if (!prop) { |
| /* handle interface property present in old trees */ |
| prop = of_get_property(ug_info->phy_node, "interface", NULL); |
| if (prop != NULL) { |
| phy_interface = enet_to_phy_interface[*prop]; |
| max_speed = enet_to_speed[*prop]; |
| } else |
| phy_interface = PHY_INTERFACE_MODE_MII; |
| } else { |
| phy_interface = to_phy_interface((const char *)prop); |
| } |
| |
| /* get speed, or derive from PHY interface */ |
| if (max_speed == 0) |
| switch (phy_interface) { |
| case PHY_INTERFACE_MODE_GMII: |
| case PHY_INTERFACE_MODE_RGMII: |
| case PHY_INTERFACE_MODE_RGMII_ID: |
| case PHY_INTERFACE_MODE_RGMII_RXID: |
| case PHY_INTERFACE_MODE_RGMII_TXID: |
| case PHY_INTERFACE_MODE_TBI: |
| case PHY_INTERFACE_MODE_RTBI: |
| case PHY_INTERFACE_MODE_SGMII: |
| max_speed = SPEED_1000; |
| break; |
| default: |
| max_speed = SPEED_100; |
| break; |
| } |
| |
| if (max_speed == SPEED_1000) { |
| unsigned int snums = qe_get_num_of_snums(); |
| |
| /* configure muram FIFOs for gigabit operation */ |
| ug_info->uf_info.urfs = UCC_GETH_URFS_GIGA_INIT; |
| ug_info->uf_info.urfet = UCC_GETH_URFET_GIGA_INIT; |
| ug_info->uf_info.urfset = UCC_GETH_URFSET_GIGA_INIT; |
| ug_info->uf_info.utfs = UCC_GETH_UTFS_GIGA_INIT; |
| ug_info->uf_info.utfet = UCC_GETH_UTFET_GIGA_INIT; |
| ug_info->uf_info.utftt = UCC_GETH_UTFTT_GIGA_INIT; |
| ug_info->numThreadsTx = UCC_GETH_NUM_OF_THREADS_4; |
| |
| /* If QE's snum number is 46/76 which means we need to support |
| * 4 UECs at 1000Base-T simultaneously, we need to allocate |
| * more Threads to Rx. |
| */ |
| if ((snums == 76) || (snums == 46)) |
| ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_6; |
| else |
| ug_info->numThreadsRx = UCC_GETH_NUM_OF_THREADS_4; |
| } |
| |
| if (netif_msg_probe(&debug)) |
| pr_info("UCC%1d at 0x%8llx (irq = %d)\n", |
| ug_info->uf_info.ucc_num + 1, |
| (u64)ug_info->uf_info.regs, |
| ug_info->uf_info.irq); |
| |
| /* Create an ethernet device instance */ |
| dev = alloc_etherdev(sizeof(*ugeth)); |
| |
| if (dev == NULL) { |
| err = -ENOMEM; |
| goto err_deregister_fixed_link; |
| } |
| |
| ugeth = netdev_priv(dev); |
| spin_lock_init(&ugeth->lock); |
| |
| /* Create CQs for hash tables */ |
| INIT_LIST_HEAD(&ugeth->group_hash_q); |
| INIT_LIST_HEAD(&ugeth->ind_hash_q); |
| |
| dev_set_drvdata(device, dev); |
| |
| /* Set the dev->base_addr to the gfar reg region */ |
| dev->base_addr = (unsigned long)(ug_info->uf_info.regs); |
| |
| SET_NETDEV_DEV(dev, device); |
| |
| /* Fill in the dev structure */ |
| uec_set_ethtool_ops(dev); |
| dev->netdev_ops = &ucc_geth_netdev_ops; |
| dev->watchdog_timeo = TX_TIMEOUT; |
| INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work); |
| netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, 64); |
| dev->mtu = 1500; |
| |
| ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT); |
| ugeth->phy_interface = phy_interface; |
| ugeth->max_speed = max_speed; |
| |
| /* Carrier starts down, phylib will bring it up */ |
| netif_carrier_off(dev); |
| |
| err = register_netdev(dev); |
| if (err) { |
| if (netif_msg_probe(ugeth)) |
| pr_err("%s: Cannot register net device, aborting\n", |
| dev->name); |
| goto err_free_netdev; |
| } |
| |
| mac_addr = of_get_mac_address(np); |
| if (!IS_ERR(mac_addr)) |
| ether_addr_copy(dev->dev_addr, mac_addr); |
| |
| ugeth->ug_info = ug_info; |
| ugeth->dev = device; |
| ugeth->ndev = dev; |
| ugeth->node = np; |
| |
| return 0; |
| |
| err_free_netdev: |
| free_netdev(dev); |
| err_deregister_fixed_link: |
| if (of_phy_is_fixed_link(np)) |
| of_phy_deregister_fixed_link(np); |
| of_node_put(ug_info->tbi_node); |
| of_node_put(ug_info->phy_node); |
| |
| return err; |
| } |
| |
| static int ucc_geth_remove(struct platform_device* ofdev) |
| { |
| struct net_device *dev = platform_get_drvdata(ofdev); |
| struct ucc_geth_private *ugeth = netdev_priv(dev); |
| struct device_node *np = ofdev->dev.of_node; |
| |
| unregister_netdev(dev); |
| free_netdev(dev); |
| ucc_geth_memclean(ugeth); |
| if (of_phy_is_fixed_link(np)) |
| of_phy_deregister_fixed_link(np); |
| of_node_put(ugeth->ug_info->tbi_node); |
| of_node_put(ugeth->ug_info->phy_node); |
| |
| return 0; |
| } |
| |
| static const struct of_device_id ucc_geth_match[] = { |
| { |
| .type = "network", |
| .compatible = "ucc_geth", |
| }, |
| {}, |
| }; |
| |
| MODULE_DEVICE_TABLE(of, ucc_geth_match); |
| |
| static struct platform_driver ucc_geth_driver = { |
| .driver = { |
| .name = DRV_NAME, |
| .of_match_table = ucc_geth_match, |
| }, |
| .probe = ucc_geth_probe, |
| .remove = ucc_geth_remove, |
| .suspend = ucc_geth_suspend, |
| .resume = ucc_geth_resume, |
| }; |
| |
| static int __init ucc_geth_init(void) |
| { |
| int i, ret; |
| |
| if (netif_msg_drv(&debug)) |
| pr_info(DRV_DESC "\n"); |
| for (i = 0; i < 8; i++) |
| memcpy(&(ugeth_info[i]), &ugeth_primary_info, |
| sizeof(ugeth_primary_info)); |
| |
| ret = platform_driver_register(&ucc_geth_driver); |
| |
| return ret; |
| } |
| |
| static void __exit ucc_geth_exit(void) |
| { |
| platform_driver_unregister(&ucc_geth_driver); |
| } |
| |
| module_init(ucc_geth_init); |
| module_exit(ucc_geth_exit); |
| |
| MODULE_AUTHOR("Freescale Semiconductor, Inc"); |
| MODULE_DESCRIPTION(DRV_DESC); |
| MODULE_LICENSE("GPL"); |