diff options
Diffstat (limited to 'drivers/net/ucc_geth.c')
| -rw-r--r-- | drivers/net/ucc_geth.c | 4024 |
1 files changed, 0 insertions, 4024 deletions
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c deleted file mode 100644 index d3465ab50e56..000000000000 --- a/drivers/net/ucc_geth.c +++ /dev/null @@ -1,4024 +0,0 @@ -/* - * 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 - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/slab.h> -#include <linux/stddef.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/workqueue.h> -#include <linux/of_mdio.h> -#include <linux/of_net.h> -#include <linux/of_platform.h> - -#include <asm/uaccess.h> -#include <asm/irq.h> -#include <asm/io.h> -#include <asm/immap_qe.h> -#include <asm/qe.h> -#include <asm/ucc.h> -#include <asm/ucc_fast.h> -#include <asm/machdep.h> - -#include "ucc_geth.h" -#include "fsl_pq_mdio.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) -#define ugeth_err(format, arg...) \ - ugeth_printk(KERN_ERR , format , ## arg) -#define ugeth_info(format, arg...) \ - ugeth_printk(KERN_INFO , format , ## arg) -#define ugeth_warn(format, arg...) \ - ugeth_printk(KERN_WARNING , 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, - .minFrameLength = 64, - .maxD1Length = 1520, - .maxD2Length = 1520, - .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", *((u8 *) (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 = NULL; - - skb = __skb_dequeue(&ugeth->rx_recycle); - if (!skb) - skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length + - UCC_GETH_RX_DATA_BUF_ALIGNMENT); - if (skb == NULL) - 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))); - - skb->dev = ugeth->ndev; - - 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)) - ugeth_err("fill_init_enet_entries: Can not get SNUM."); - 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)) - ugeth_err("fill_init_enet_entries: Can not allocate DPRAM memory."); - 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); - ugeth_info("Init enet entry %d:", i); - ugeth_info("Base address: 0x%08x", - (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)) { - ugeth_warn("%s: Illagel paddr_num.", __func__); - 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); -} - -static inline int compare_addr(u8 **addr1, u8 **addr2) -{ - return memcmp(addr1, addr2, ENET_NUM_OCTETS_PER_ADDRESS); -} - -#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)); - ugeth_info("TX BDs[%d]", 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)); - ugeth_info("RX BDs[%d]", i); - mem_disp(ugeth->p_rx_bd_ring[i], length); - } - } -} - -static void dump_regs(struct ucc_geth_private *ugeth) -{ - int i; - - ugeth_info("UCC%d Geth registers:", ugeth->ug_info->uf_info.ucc_num + 1); - ugeth_info("Base address: 0x%08x", (u32) ugeth->ug_regs); - - ugeth_info("maccfg1 : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->maccfg1, - in_be32(&ugeth->ug_regs->maccfg1)); - ugeth_info("maccfg2 : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->maccfg2, - in_be32(&ugeth->ug_regs->maccfg2)); - ugeth_info("ipgifg : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->ipgifg, - in_be32(&ugeth->ug_regs->ipgifg)); - ugeth_info("hafdup : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->hafdup, - in_be32(&ugeth->ug_regs->hafdup)); - ugeth_info("ifctl : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->ifctl, - in_be32(&ugeth->ug_regs->ifctl)); - ugeth_info("ifstat : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->ifstat, - in_be32(&ugeth->ug_regs->ifstat)); - ugeth_info("macstnaddr1: addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->macstnaddr1, - in_be32(&ugeth->ug_regs->macstnaddr1)); - ugeth_info("macstnaddr2: addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->macstnaddr2, - in_be32(&ugeth->ug_regs->macstnaddr2)); - ugeth_info("uempr : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->uempr, - in_be32(&ugeth->ug_regs->uempr)); - ugeth_info("utbipar : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->utbipar, - in_be32(&ugeth->ug_regs->utbipar)); - ugeth_info("uescr : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->ug_regs->uescr, - in_be16(&ugeth->ug_regs->uescr)); - ugeth_info("tx64 : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->tx64, - in_be32(&ugeth->ug_regs->tx64)); - ugeth_info("tx127 : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->tx127, - in_be32(&ugeth->ug_regs->tx127)); - ugeth_info("tx255 : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->tx255, - in_be32(&ugeth->ug_regs->tx255)); - ugeth_info("rx64 : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->rx64, - in_be32(&ugeth->ug_regs->rx64)); - ugeth_info("rx127 : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->rx127, - in_be32(&ugeth->ug_regs->rx127)); - ugeth_info("rx255 : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->rx255, - in_be32(&ugeth->ug_regs->rx255)); - ugeth_info("txok : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->txok, - in_be32(&ugeth->ug_regs->txok)); - ugeth_info("txcf : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->ug_regs->txcf, - in_be16(&ugeth->ug_regs->txcf)); - ugeth_info("tmca : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->tmca, - in_be32(&ugeth->ug_regs->tmca)); - ugeth_info("tbca : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->tbca, - in_be32(&ugeth->ug_regs->tbca)); - ugeth_info("rxfok : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->rxfok, - in_be32(&ugeth->ug_regs->rxfok)); - ugeth_info("rxbok : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->rxbok, - in_be32(&ugeth->ug_regs->rxbok)); - ugeth_info("rbyt : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->rbyt, - in_be32(&ugeth->ug_regs->rbyt)); - ugeth_info("rmca : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->rmca, - in_be32(&ugeth->ug_regs->rmca)); - ugeth_info("rbca : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->rbca, - in_be32(&ugeth->ug_regs->rbca)); - ugeth_info("scar : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->ug_regs->scar, - in_be32(&ugeth->ug_regs->scar)); - ugeth_info("scam : addr - 0x%08x, val - 0x%08x", - (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; - } - - ugeth_info("Thread data TXs:"); - ugeth_info("Base address: 0x%08x", - (u32) ugeth->p_thread_data_tx); - for (i = 0; i < numThreadsTxNumerical; i++) { - ugeth_info("Thread data TX[%d]:", i); - ugeth_info("Base address: 0x%08x", - (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; - } - - ugeth_info("Thread data RX:"); - ugeth_info("Base address: 0x%08x", - (u32) ugeth->p_thread_data_rx); - for (i = 0; i < numThreadsRxNumerical; i++) { - ugeth_info("Thread data RX[%d]:", i); - ugeth_info("Base address: 0x%08x", - (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) { - ugeth_info("EXF global param:"); - ugeth_info("Base address: 0x%08x", - (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) { - ugeth_info("TX global param:"); - ugeth_info("Base address: 0x%08x", (u32) ugeth->p_tx_glbl_pram); - ugeth_info("temoder : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->p_tx_glbl_pram->temoder, - in_be16(&ugeth->p_tx_glbl_pram->temoder)); - ugeth_info("sqptr : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->sqptr, - in_be32(&ugeth->p_tx_glbl_pram->sqptr)); - ugeth_info("schedulerbasepointer: addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->schedulerbasepointer, - in_be32(&ugeth->p_tx_glbl_pram-> - schedulerbasepointer)); - ugeth_info("txrmonbaseptr: addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->txrmonbaseptr, - in_be32(&ugeth->p_tx_glbl_pram->txrmonbaseptr)); - ugeth_info("tstate : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->tstate, - in_be32(&ugeth->p_tx_glbl_pram->tstate)); - ugeth_info("iphoffset[0] : addr - 0x%08x, val - 0x%02x", - (u32) & ugeth->p_tx_glbl_pram->iphoffset[0], - ugeth->p_tx_glbl_pram->iphoffset[0]); - ugeth_info("iphoffset[1] : addr - 0x%08x, val - 0x%02x", - (u32) & ugeth->p_tx_glbl_pram->iphoffset[1], - ugeth->p_tx_glbl_pram->iphoffset[1]); - ugeth_info("iphoffset[2] : addr - 0x%08x, val - 0x%02x", - (u32) & ugeth->p_tx_glbl_pram->iphoffset[2], - ugeth->p_tx_glbl_pram->iphoffset[2]); - ugeth_info("iphoffset[3] : addr - 0x%08x, val - 0x%02x", - (u32) & ugeth->p_tx_glbl_pram->iphoffset[3], - ugeth->p_tx_glbl_pram->iphoffset[3]); - ugeth_info("iphoffset[4] : addr - 0x%08x, val - 0x%02x", - (u32) & ugeth->p_tx_glbl_pram->iphoffset[4], - ugeth->p_tx_glbl_pram->iphoffset[4]); - ugeth_info("iphoffset[5] : addr - 0x%08x, val - 0x%02x", - (u32) & ugeth->p_tx_glbl_pram->iphoffset[5], - ugeth->p_tx_glbl_pram->iphoffset[5]); - ugeth_info("iphoffset[6] : addr - 0x%08x, val - 0x%02x", - (u32) & ugeth->p_tx_glbl_pram->iphoffset[6], - ugeth->p_tx_glbl_pram->iphoffset[6]); - ugeth_info("iphoffset[7] : addr - 0x%08x, val - 0x%02x", - (u32) & ugeth->p_tx_glbl_pram->iphoffset[7], - ugeth->p_tx_glbl_pram->iphoffset[7]); - ugeth_info("vtagtable[0] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->vtagtable[0], - in_be32(&ugeth->p_tx_glbl_pram->vtagtable[0])); - ugeth_info("vtagtable[1] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->vtagtable[1], - in_be32(&ugeth->p_tx_glbl_pram->vtagtable[1])); - ugeth_info("vtagtable[2] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->vtagtable[2], - in_be32(&ugeth->p_tx_glbl_pram->vtagtable[2])); - ugeth_info("vtagtable[3] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->vtagtable[3], - in_be32(&ugeth->p_tx_glbl_pram->vtagtable[3])); - ugeth_info("vtagtable[4] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->vtagtable[4], - in_be32(&ugeth->p_tx_glbl_pram->vtagtable[4])); - ugeth_info("vtagtable[5] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->vtagtable[5], - in_be32(&ugeth->p_tx_glbl_pram->vtagtable[5])); - ugeth_info("vtagtable[6] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->vtagtable[6], - in_be32(&ugeth->p_tx_glbl_pram->vtagtable[6])); - ugeth_info("vtagtable[7] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->vtagtable[7], - in_be32(&ugeth->p_tx_glbl_pram->vtagtable[7])); - ugeth_info("tqptr : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_tx_glbl_pram->tqptr, - in_be32(&ugeth->p_tx_glbl_pram->tqptr)); - } - if (ugeth->p_rx_glbl_pram) { - ugeth_info("RX global param:"); - ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_glbl_pram); - ugeth_info("remoder : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->remoder, - in_be32(&ugeth->p_rx_glbl_pram->remoder)); - ugeth_info("rqptr : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->rqptr, - in_be32(&ugeth->p_rx_glbl_pram->rqptr)); - ugeth_info("typeorlen : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->p_rx_glbl_pram->typeorlen, - in_be16(&ugeth->p_rx_glbl_pram->typeorlen)); - ugeth_info("rxgstpack : addr - 0x%08x, val - 0x%02x", - (u32) & ugeth->p_rx_glbl_pram->rxgstpack, - ugeth->p_rx_glbl_pram->rxgstpack); - ugeth_info("rxrmonbaseptr : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->rxrmonbaseptr, - in_be32(&ugeth->p_rx_glbl_pram->rxrmonbaseptr)); - ugeth_info("intcoalescingptr: addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->intcoalescingptr, - in_be32(&ugeth->p_rx_glbl_pram->intcoalescingptr)); - ugeth_info("rstate : addr - 0x%08x, val - 0x%02x", - (u32) & ugeth->p_rx_glbl_pram->rstate, - ugeth->p_rx_glbl_pram->rstate); - ugeth_info("mrblr : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->p_rx_glbl_pram->mrblr, - in_be16(&ugeth->p_rx_glbl_pram->mrblr)); - ugeth_info("rbdqptr : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->rbdqptr, - in_be32(&ugeth->p_rx_glbl_pram->rbdqptr)); - ugeth_info("mflr : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->p_rx_glbl_pram->mflr, - in_be16(&ugeth->p_rx_glbl_pram->mflr)); - ugeth_info("minflr : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->p_rx_glbl_pram->minflr, - in_be16(&ugeth->p_rx_glbl_pram->minflr)); - ugeth_info("maxd1 : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->p_rx_glbl_pram->maxd1, - in_be16(&ugeth->p_rx_glbl_pram->maxd1)); - ugeth_info("maxd2 : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->p_rx_glbl_pram->maxd2, - in_be16(&ugeth->p_rx_glbl_pram->maxd2)); - ugeth_info("ecamptr : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->ecamptr, - in_be32(&ugeth->p_rx_glbl_pram->ecamptr)); - ugeth_info("l2qt : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->l2qt, - in_be32(&ugeth->p_rx_glbl_pram->l2qt)); - ugeth_info("l3qt[0] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->l3qt[0], - in_be32(&ugeth->p_rx_glbl_pram->l3qt[0])); - ugeth_info("l3qt[1] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->l3qt[1], - in_be32(&ugeth->p_rx_glbl_pram->l3qt[1])); - ugeth_info("l3qt[2] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->l3qt[2], - in_be32(&ugeth->p_rx_glbl_pram->l3qt[2])); - ugeth_info("l3qt[3] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->l3qt[3], - in_be32(&ugeth->p_rx_glbl_pram->l3qt[3])); - ugeth_info("l3qt[4] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->l3qt[4], - in_be32(&ugeth->p_rx_glbl_pram->l3qt[4])); - ugeth_info("l3qt[5] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->l3qt[5], - in_be32(&ugeth->p_rx_glbl_pram->l3qt[5])); - ugeth_info("l3qt[6] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->l3qt[6], - in_be32(&ugeth->p_rx_glbl_pram->l3qt[6])); - ugeth_info("l3qt[7] : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->l3qt[7], - in_be32(&ugeth->p_rx_glbl_pram->l3qt[7])); - ugeth_info("vlantype : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->p_rx_glbl_pram->vlantype, - in_be16(&ugeth->p_rx_glbl_pram->vlantype)); - ugeth_info("vlantci : addr - 0x%08x, val - 0x%04x", - (u32) & ugeth->p_rx_glbl_pram->vlantci, - in_be16(&ugeth->p_rx_glbl_pram->vlantci)); - for (i = 0; i < 64; i++) - ugeth_info - ("addressfiltering[%d]: addr - 0x%08x, val - 0x%02x", - i, - (u32) & ugeth->p_rx_glbl_pram->addressfiltering[i], - ugeth->p_rx_glbl_pram->addressfiltering[i]); - ugeth_info("exfGlobalParam : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_glbl_pram->exfGlobalParam, - in_be32(&ugeth->p_rx_glbl_pram->exfGlobalParam)); - } - if (ugeth->p_send_q_mem_reg) { - ugeth_info("Send Q memory registers:"); - ugeth_info("Base address: 0x%08x", - (u32) ugeth->p_send_q_mem_reg); - for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { - ugeth_info("SQQD[%d]:", i); - ugeth_info("Base address: 0x%08x", - (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) { - ugeth_info("Scheduler:"); - ugeth_info("Base address: 0x%08x", (u32) ugeth->p_scheduler); - mem_disp((u8 *) ugeth->p_scheduler, - sizeof(*ugeth->p_scheduler)); - } - if (ugeth->p_tx_fw_statistics_pram) { - ugeth_info("TX FW statistics pram:"); - ugeth_info("Base address: 0x%08x", - (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) { - ugeth_info("RX FW statistics pram:"); - ugeth_info("Base address: 0x%08x", - (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) { - ugeth_info("RX IRQ coalescing tables:"); - ugeth_info("Base address: 0x%08x", - (u32) ugeth->p_rx_irq_coalescing_tbl); - for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { - ugeth_info("RX IRQ coalescing table entry[%d]:", i); - ugeth_info("Base address: 0x%08x", - (u32) & ugeth->p_rx_irq_coalescing_tbl-> - coalescingentry[i]); - ugeth_info - ("interruptcoalescingmaxvalue: addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_irq_coalescing_tbl-> - coalescingentry[i].interruptcoalescingmaxvalue, - in_be32(&ugeth->p_rx_irq_coalescing_tbl-> - coalescingentry[i]. - interruptcoalescingmaxvalue)); - ugeth_info - ("interruptcoalescingcounter : addr - 0x%08x, val - 0x%08x", - (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) { - ugeth_info("RX BD QS tables:"); - ugeth_info("Base address: 0x%08x", (u32) ugeth->p_rx_bd_qs_tbl); - for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { - ugeth_info("RX BD QS table[%d]:", i); - ugeth_info("Base address: 0x%08x", - (u32) & ugeth->p_rx_bd_qs_tbl[i]); - ugeth_info - ("bdbaseptr : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_bd_qs_tbl[i].bdbaseptr, - in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdbaseptr)); - ugeth_info - ("bdptr : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_bd_qs_tbl[i].bdptr, - in_be32(&ugeth->p_rx_bd_qs_tbl[i].bdptr)); - ugeth_info - ("externalbdbaseptr: addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdbaseptr, - in_be32(&ugeth->p_rx_bd_qs_tbl[i]. - externalbdbaseptr)); - ugeth_info - ("externalbdptr : addr - 0x%08x, val - 0x%08x", - (u32) & ugeth->p_rx_bd_qs_tbl[i].externalbdptr, - in_be32(&ugeth->p_rx_bd_qs_tbl[i].externalbdptr)); - ugeth_info("ucode RX Prefetched BDs:"); - ugeth_info("Base address: 0x%08x", - (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; - ugeth_info("Init enet param shadow:"); - ugeth_info("Base address: 0x%08x", - (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) - ugeth_warn("TBI mode requires that the device " - "tree specify a tbi-handle\n"); - - tbiphy = of_phy_find_device(ug_info->tbi_node); - if (!tbiphy) - ugeth_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); - } - - 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)) - ugeth_err("%s: Preamble length must be between 3 and 7 inclusive.", - __func__); - 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)) - ugeth_err("%s: ucc_num out of range.", __func__); - 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)) - ugeth_err("%s: ucc_num out of range.", __func__); - 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, plus detach the device. */ - netif_device_detach(ugeth->ndev); - - /* Wait for any current xmits to finish. */ - netif_tx_disable(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); - netif_device_attach(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)) - ugeth_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) - 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); -} - -/* 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) - phydev = of_phy_connect_fixed_link(dev, &adjust_link, - 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); - - phydev->supported &= (ADVERTISED_10baseT_Half | - ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | - ADVERTISED_100baseT_Full); - - if (priv->max_speed == SPEED_1000) - phydev->supported |= ADVERTISED_1000baseT_Full; - - phydev->advertising = phydev->supported; - - 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_memclean(struct ucc_geth_private *ugeth) -{ - u16 i, j; - u8 __iomem *bd; - - 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; - } - 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; - } - } - 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; - } - } - 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; - } - - skb_queue_purge(&ugeth->rx_recycle); -} - -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)) - ugeth_err("%s: Bad memory partition value.", - __func__); - 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)) - ugeth_err - ("%s: Rx BD ring length must be multiple of 4, no smaller than 8.", - __func__); - 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)) - ugeth_err - ("%s: Tx BD ring length must be no smaller than 2.", - __func__); - 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)) - ugeth_err - ("%s: max_rx_buf_length must be non-zero multiple of 128.", - __func__); - return -EINVAL; - } - - /* num Tx queues */ - if (ug_info->numQueuesTx > NUM_TX_QUEUES) { - if (netif_msg_probe(ugeth)) - ugeth_err("%s: number of tx queues too large.", __func__); - return -EINVAL; - } - - /* num Rx queues */ - if (ug_info->numQueuesRx > NUM_RX_QUEUES) { - if (netif_msg_probe(ugeth)) - ugeth_err("%s: number of rx queues too large.", __func__); - 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)) - ugeth_err - ("%s: VLAN priority table entry must not be" - " larger than number of Rx queues.", - __func__); - 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)) - ugeth_err - ("%s: IP priority table entry must not be" - " larger than number of Rx queues.", - __func__); - return -EINVAL; - } - } - - if (ug_info->cam && !ug_info->ecamptr) { - if (netif_msg_probe(ugeth)) - ugeth_err("%s: If cam mode is chosen, must supply cam ptr.", - __func__); - return -EINVAL; - } - - if ((ug_info->numStationAddresses != - UCC_GETH_NUM_OF_STATION_ADDRESSES_1) && - ug_info->rxExtendedFiltering) { - if (netif_msg_probe(ugeth)) - ugeth_err("%s: Number of station addresses greater than 1 " - "not allowed in extended parsing mode.", - __func__); - 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)) - ugeth_err("%s: Failed to init uccf.", __func__); - 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)) - ugeth_err("%s: Failed to ioremap regs.", __func__); - return -ENOMEM; - } - - skb_queue_head_init(&ugeth->rx_recycle); - - 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, length; - u16 temoder = UCC_GETH_TEMODER_INIT; - u16 test; - u8 function_code = 0; - u8 __iomem *bd; - 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)) - ugeth_err("%s: Bad number of Rx threads value.", - __func__); - return -EINVAL; - break; - } - - 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)) - ugeth_err("%s: Bad number of Tx threads value.", - __func__); - return -EINVAL; - break; - } - - /* 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)) - ugeth_err("%s: IPGIFG initialization parameter too large.", - __func__); - 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)) - ugeth_err("%s: Half Duplex initialization parameter too large.", - __func__); - 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); - - /* 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)) - ugeth_err - ("%s: Can not allocate memory for Tx bd rings.", - __func__); - 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)); - } - - /* 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)) - ugeth_err - ("%s: Can not allocate memory for Rx bd rings.", - __func__); - return -ENOMEM; - } - } - - /* Init Tx bds */ - for (j = 0; j < ug_info->numQueuesTx; j++) { - /* Setup the skbuff rings */ - ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) * - ugeth->ug_info->bdRingLenTx[j], - GFP_KERNEL); - - if (ugeth->tx_skbuff[j] == NULL) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Could not allocate tx_skbuff", - __func__); - 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 */ - } - - /* Init Rx bds */ - for (j = 0; j < ug_info->numQueuesRx; j++) { - /* Setup the skbuff rings */ - ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) * - ugeth->ug_info->bdRingLenRx[j], - GFP_KERNEL); - - if (ugeth->rx_skbuff[j] == NULL) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Could not allocate rx_skbuff", - __func__); - 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 */ - } - - /* - * 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.", - __func__); - 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for p_thread_data_tx.", - __func__); - 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.", - __func__); - 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) immrbar_virt_to_phys(ugeth-> - p_tx_bd_ring[i])); - out_be32(&ugeth->p_send_q_mem_reg->sqqd[i]. - last_bd_completed_address, - (u32) immrbar_virt_to_phys(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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for p_scheduler.", - __func__); - 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for" - " p_tx_fw_statistics_pram.", - __func__); - 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.", - __func__); - 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for p_thread_data_rx.", - __func__); - 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for" - " p_rx_fw_statistics_pram.", __func__); - 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for" - " p_rx_irq_coalescing_tbl.", __func__); - 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.", - __func__); - 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) immrbar_virt_to_phys(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)) - ugeth_err("%s: Null Extended Filtering Chain Pointer.", - __func__); - 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for" - " p_exf_glbl_param.", __func__); - 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)) - ugeth_err - ("%s: Can not allocate memory for" - " p_UccInitEnetParamShadows.", __func__); - 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)) - ugeth_err("%s: Invalid largest External Lookup Key Size.", - __func__); - 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_TABLE_LOOKUP_KEY_SIZE_8_BYTES) - size += - THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; - if (ug_info->largestexternallookupkeysize == - QE_FLTR_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)) - ugeth_err("%s: Can not fill p_init_enet_param_shadow.", - __func__); - 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)) - ugeth_err("%s: Can not fill p_init_enet_param_shadow.", - __func__); - 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)) - ugeth_err("%s: Can not fill Rx bds with buffers.", - __func__); - 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)) - ugeth_err - ("%s: Can not allocate DPRAM memory for p_init_enet_pram.", - __func__); - 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 int 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__); - - 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)) - ugeth_err("%s, %d: ERROR!!! skb - 0x%08x", - __func__, __LINE__, (u32) skb); - if (skb) { - skb->data = skb->head + NET_SKB_PAD; - skb->len = 0; - skb_reset_tail_pointer(skb); - __skb_queue_head(&ugeth->rx_recycle, 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)) - ugeth_warn("%s: No Rx Data Buffer", __func__); - 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); - 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; - - dev->stats.tx_packets++; - - if (skb_queue_len(&ugeth->rx_recycle) < RX_BD_RING_LEN && - skb_recycle_check(skb, - ugeth->ug_info->uf_info.max_rx_buf_length + - UCC_GETH_RX_DATA_BUF_ALIGNMENT)) - __skb_queue_head(&ugeth->rx_recycle, skb); - else - dev_kfree_skb(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; - 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(napi); - 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) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Cannot configure internal struct, " - "aborting.", dev->name); - goto err; - } - - err = ucc_geth_startup(ugeth); - if (err) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Cannot configure net device, aborting.", - dev->name); - goto err; - } - - err = adjust_enet_interface(ugeth); - if (err) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Cannot configure net device, aborting.", - dev->name); - 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) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Cannot enable net device, aborting.", dev->name); - 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) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Multicast address used for station " - "address - is this what you wanted?", - __func__); - return -EINVAL; - } - - err = init_phy(dev); - if (err) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Cannot initialize PHY, aborting.", - dev->name); - return err; - } - - err = ucc_geth_init_mac(ugeth); - if (err) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Cannot initialize MAC, aborting.", - dev->name); - goto err; - } - - err = request_irq(ugeth->ug_info->uf_info.irq, ucc_geth_irq_handler, - 0, "UCC Geth", dev); - if (err) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Cannot get IRQ for net device, aborting.", - dev->name); - goto err; - } - - phy_start(ugeth->phydev); - napi_enable(&ugeth->napi); - 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); - - 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) -{ - 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 = dev_get_drvdata(&ofdev->dev); - 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 = dev_get_drvdata(&ofdev->dev); - 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) { - ugeth_err("%s: Cannot initialize MAC, aborting.", - ndev->name); - 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_set_mac_address = ucc_geth_set_mac_addr, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_multicast_list = 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)) - ugeth_err("%s: [%d] Missing additional data!", - __func__, 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)) { - printk(KERN_ERR - "ucc_geth: 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. */ - printk(KERN_ERR - "ucc_geth: missing rx-clock-name property\n"); - return -EINVAL; - } - if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) { - printk(KERN_ERR - "ucc_geth: invalid rx-clock propperty\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)) { - printk(KERN_ERR - "ucc_geth: invalid tx-clock-name property\n"); - return -EINVAL; - } - } else { - prop = of_get_property(np, "tx-clock", NULL); - if (!prop) { - printk(KERN_ERR - "ucc_geth: missing tx-clock-name property\n"); - return -EINVAL; - } - if ((*prop < QE_CLK_NONE) || (*prop > QE_CLK24)) { - printk(KERN_ERR - "ucc_geth: 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); - - /* 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) { - /* 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 which means we need to support - * 4 UECs at 1000Base-T simultaneously, we need to allocate - * more Threads to Rx. - */ - if (qe_get_num_of_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)) - printk(KERN_INFO "ucc_geth: UCC%1d at 0x%8x (irq = %d)\n", - ug_info->uf_info.ucc_num + 1, ug_info->uf_info.regs, - ug_info->uf_info.irq); - - /* Create an ethernet device instance */ - dev = alloc_etherdev(sizeof(*ugeth)); - - if (dev == NULL) - return -ENOMEM; - - 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; - - err = register_netdev(dev); - if (err) { - if (netif_msg_probe(ugeth)) - ugeth_err("%s: Cannot register net device, aborting.", - dev->name); - free_netdev(dev); - return err; - } - - mac_addr = of_get_mac_address(np); - if (mac_addr) - memcpy(dev->dev_addr, mac_addr, 6); - - ugeth->ug_info = ug_info; - ugeth->dev = device; - ugeth->ndev = dev; - ugeth->node = np; - - return 0; -} - -static int ucc_geth_remove(struct platform_device* ofdev) -{ - struct device *device = &ofdev->dev; - struct net_device *dev = dev_get_drvdata(device); - struct ucc_geth_private *ugeth = netdev_priv(dev); - - unregister_netdev(dev); - free_netdev(dev); - ucc_geth_memclean(ugeth); - dev_set_drvdata(device, NULL); - - return 0; -} - -static 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, - .owner = THIS_MODULE, - .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)) - printk(KERN_INFO "ucc_geth: " 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_VERSION(DRV_VERSION); -MODULE_LICENSE("GPL"); |