/*******************************************************************************
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DWMAC Management Counters
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Copyright (C) 2011 STMicroelectronics Ltd
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
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*******************************************************************************/
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#include <linux/kernel.h>
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#include <linux/io.h>
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#include "mmc.h"
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/* MAC Management Counters register offset */
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#define MMC_CNTRL 0x00 /* MMC Control */
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#define MMC_RX_INTR 0x04 /* MMC RX Interrupt */
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#define MMC_TX_INTR 0x08 /* MMC TX Interrupt */
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#define MMC_RX_INTR_MASK 0x0c /* MMC Interrupt Mask */
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#define MMC_TX_INTR_MASK 0x10 /* MMC Interrupt Mask */
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#define MMC_DEFAULT_MASK 0xffffffff
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/* MMC TX counter registers */
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/* Note:
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* _GB register stands for good and bad frames
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* _G is for good only.
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*/
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#define MMC_TX_OCTETCOUNT_GB 0x14
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#define MMC_TX_FRAMECOUNT_GB 0x18
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#define MMC_TX_BROADCASTFRAME_G 0x1c
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#define MMC_TX_MULTICASTFRAME_G 0x20
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#define MMC_TX_64_OCTETS_GB 0x24
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#define MMC_TX_65_TO_127_OCTETS_GB 0x28
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#define MMC_TX_128_TO_255_OCTETS_GB 0x2c
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#define MMC_TX_256_TO_511_OCTETS_GB 0x30
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#define MMC_TX_512_TO_1023_OCTETS_GB 0x34
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#define MMC_TX_1024_TO_MAX_OCTETS_GB 0x38
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#define MMC_TX_UNICAST_GB 0x3c
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#define MMC_TX_MULTICAST_GB 0x40
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#define MMC_TX_BROADCAST_GB 0x44
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#define MMC_TX_UNDERFLOW_ERROR 0x48
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#define MMC_TX_SINGLECOL_G 0x4c
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#define MMC_TX_MULTICOL_G 0x50
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#define MMC_TX_DEFERRED 0x54
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#define MMC_TX_LATECOL 0x58
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#define MMC_TX_EXESSCOL 0x5c
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#define MMC_TX_CARRIER_ERROR 0x60
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#define MMC_TX_OCTETCOUNT_G 0x64
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#define MMC_TX_FRAMECOUNT_G 0x68
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#define MMC_TX_EXCESSDEF 0x6c
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#define MMC_TX_PAUSE_FRAME 0x70
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#define MMC_TX_VLAN_FRAME_G 0x74
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/* MMC RX counter registers */
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#define MMC_RX_FRAMECOUNT_GB 0x80
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#define MMC_RX_OCTETCOUNT_GB 0x84
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#define MMC_RX_OCTETCOUNT_G 0x88
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#define MMC_RX_BROADCASTFRAME_G 0x8c
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#define MMC_RX_MULTICASTFRAME_G 0x90
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#define MMC_RX_CRC_ERROR 0x94
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#define MMC_RX_ALIGN_ERROR 0x98
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#define MMC_RX_RUN_ERROR 0x9C
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#define MMC_RX_JABBER_ERROR 0xA0
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#define MMC_RX_UNDERSIZE_G 0xA4
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#define MMC_RX_OVERSIZE_G 0xA8
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#define MMC_RX_64_OCTETS_GB 0xAC
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#define MMC_RX_65_TO_127_OCTETS_GB 0xb0
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#define MMC_RX_128_TO_255_OCTETS_GB 0xb4
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#define MMC_RX_256_TO_511_OCTETS_GB 0xb8
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#define MMC_RX_512_TO_1023_OCTETS_GB 0xbc
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#define MMC_RX_1024_TO_MAX_OCTETS_GB 0xc0
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#define MMC_RX_UNICAST_G 0xc4
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#define MMC_RX_LENGTH_ERROR 0xc8
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#define MMC_RX_AUTOFRANGETYPE 0xcc
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#define MMC_RX_PAUSE_FRAMES 0xd0
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#define MMC_RX_FIFO_OVERFLOW 0xd4
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#define MMC_RX_VLAN_FRAMES_GB 0xd8
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#define MMC_RX_WATCHDOG_ERROR 0xdc
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/* IPC*/
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#define MMC_RX_IPC_INTR_MASK 0x100
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#define MMC_RX_IPC_INTR 0x108
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/* IPv4*/
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#define MMC_RX_IPV4_GD 0x110
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#define MMC_RX_IPV4_HDERR 0x114
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#define MMC_RX_IPV4_NOPAY 0x118
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#define MMC_RX_IPV4_FRAG 0x11C
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#define MMC_RX_IPV4_UDSBL 0x120
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#define MMC_RX_IPV4_GD_OCTETS 0x150
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#define MMC_RX_IPV4_HDERR_OCTETS 0x154
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#define MMC_RX_IPV4_NOPAY_OCTETS 0x158
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#define MMC_RX_IPV4_FRAG_OCTETS 0x15c
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#define MMC_RX_IPV4_UDSBL_OCTETS 0x160
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/* IPV6*/
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#define MMC_RX_IPV6_GD_OCTETS 0x164
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#define MMC_RX_IPV6_HDERR_OCTETS 0x168
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#define MMC_RX_IPV6_NOPAY_OCTETS 0x16c
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#define MMC_RX_IPV6_GD 0x124
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#define MMC_RX_IPV6_HDERR 0x128
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#define MMC_RX_IPV6_NOPAY 0x12c
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/* Protocols*/
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#define MMC_RX_UDP_GD 0x130
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#define MMC_RX_UDP_ERR 0x134
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#define MMC_RX_TCP_GD 0x138
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#define MMC_RX_TCP_ERR 0x13c
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#define MMC_RX_ICMP_GD 0x140
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#define MMC_RX_ICMP_ERR 0x144
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#define MMC_RX_UDP_GD_OCTETS 0x170
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#define MMC_RX_UDP_ERR_OCTETS 0x174
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#define MMC_RX_TCP_GD_OCTETS 0x178
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#define MMC_RX_TCP_ERR_OCTETS 0x17c
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#define MMC_RX_ICMP_GD_OCTETS 0x180
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#define MMC_RX_ICMP_ERR_OCTETS 0x184
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void dwmac_mmc_ctrl(void __iomem *mmcaddr, unsigned int mode)
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{
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u32 value = readl(mmcaddr + MMC_CNTRL);
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value |= (mode & 0x3F);
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writel(value, mmcaddr + MMC_CNTRL);
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pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n",
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MMC_CNTRL, value);
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}
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EXPORT_SYMBOL(dwmac_mmc_ctrl);
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/* To mask all all interrupts.*/
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void dwmac_mmc_intr_all_mask(void __iomem *mmcaddr)
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{
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writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_INTR_MASK);
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writel(MMC_DEFAULT_MASK, mmcaddr + MMC_TX_INTR_MASK);
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writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_IPC_INTR_MASK);
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}
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EXPORT_SYMBOL(dwmac_mmc_intr_all_mask);
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/* This reads the MAC core counters (if actaully supported).
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* by default the MMC core is programmed to reset each
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* counter after a read. So all the field of the mmc struct
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* have to be incremented.
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*/
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void dwmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc)
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{
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mmc->mmc_tx_octetcount_gb += readl(mmcaddr + MMC_TX_OCTETCOUNT_GB);
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mmc->mmc_tx_framecount_gb += readl(mmcaddr + MMC_TX_FRAMECOUNT_GB);
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mmc->mmc_tx_broadcastframe_g += readl(mmcaddr +
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MMC_TX_BROADCASTFRAME_G);
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mmc->mmc_tx_multicastframe_g += readl(mmcaddr +
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MMC_TX_MULTICASTFRAME_G);
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mmc->mmc_tx_64_octets_gb += readl(mmcaddr + MMC_TX_64_OCTETS_GB);
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mmc->mmc_tx_65_to_127_octets_gb +=
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readl(mmcaddr + MMC_TX_65_TO_127_OCTETS_GB);
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mmc->mmc_tx_128_to_255_octets_gb +=
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readl(mmcaddr + MMC_TX_128_TO_255_OCTETS_GB);
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mmc->mmc_tx_256_to_511_octets_gb +=
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readl(mmcaddr + MMC_TX_256_TO_511_OCTETS_GB);
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mmc->mmc_tx_512_to_1023_octets_gb +=
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readl(mmcaddr + MMC_TX_512_TO_1023_OCTETS_GB);
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mmc->mmc_tx_1024_to_max_octets_gb +=
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readl(mmcaddr + MMC_TX_1024_TO_MAX_OCTETS_GB);
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mmc->mmc_tx_unicast_gb += readl(mmcaddr + MMC_TX_UNICAST_GB);
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mmc->mmc_tx_multicast_gb += readl(mmcaddr + MMC_TX_MULTICAST_GB);
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mmc->mmc_tx_broadcast_gb += readl(mmcaddr + MMC_TX_BROADCAST_GB);
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mmc->mmc_tx_underflow_error += readl(mmcaddr + MMC_TX_UNDERFLOW_ERROR);
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mmc->mmc_tx_singlecol_g += readl(mmcaddr + MMC_TX_SINGLECOL_G);
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mmc->mmc_tx_multicol_g += readl(mmcaddr + MMC_TX_MULTICOL_G);
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mmc->mmc_tx_deferred += readl(mmcaddr + MMC_TX_DEFERRED);
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mmc->mmc_tx_latecol += readl(mmcaddr + MMC_TX_LATECOL);
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mmc->mmc_tx_exesscol += readl(mmcaddr + MMC_TX_EXESSCOL);
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mmc->mmc_tx_carrier_error += readl(mmcaddr + MMC_TX_CARRIER_ERROR);
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mmc->mmc_tx_octetcount_g += readl(mmcaddr + MMC_TX_OCTETCOUNT_G);
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mmc->mmc_tx_framecount_g += readl(mmcaddr + MMC_TX_FRAMECOUNT_G);
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mmc->mmc_tx_excessdef += readl(mmcaddr + MMC_TX_EXCESSDEF);
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mmc->mmc_tx_pause_frame += readl(mmcaddr + MMC_TX_PAUSE_FRAME);
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mmc->mmc_tx_vlan_frame_g += readl(mmcaddr + MMC_TX_VLAN_FRAME_G);
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/* MMC RX counter registers */
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mmc->mmc_rx_framecount_gb += readl(mmcaddr + MMC_RX_FRAMECOUNT_GB);
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mmc->mmc_rx_octetcount_gb += readl(mmcaddr + MMC_RX_OCTETCOUNT_GB);
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mmc->mmc_rx_octetcount_g += readl(mmcaddr + MMC_RX_OCTETCOUNT_G);
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mmc->mmc_rx_broadcastframe_g += readl(mmcaddr +
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MMC_RX_BROADCASTFRAME_G);
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mmc->mmc_rx_multicastframe_g += readl(mmcaddr +
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MMC_RX_MULTICASTFRAME_G);
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mmc->mmc_rx_crc_error += readl(mmcaddr + MMC_RX_CRC_ERROR);
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mmc->mmc_rx_align_error += readl(mmcaddr + MMC_RX_ALIGN_ERROR);
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mmc->mmc_rx_run_error += readl(mmcaddr + MMC_RX_RUN_ERROR);
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mmc->mmc_rx_jabber_error += readl(mmcaddr + MMC_RX_JABBER_ERROR);
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mmc->mmc_rx_undersize_g += readl(mmcaddr + MMC_RX_UNDERSIZE_G);
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mmc->mmc_rx_oversize_g += readl(mmcaddr + MMC_RX_OVERSIZE_G);
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mmc->mmc_rx_64_octets_gb += readl(mmcaddr + MMC_RX_64_OCTETS_GB);
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mmc->mmc_rx_65_to_127_octets_gb +=
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readl(mmcaddr + MMC_RX_65_TO_127_OCTETS_GB);
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mmc->mmc_rx_128_to_255_octets_gb +=
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readl(mmcaddr + MMC_RX_128_TO_255_OCTETS_GB);
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mmc->mmc_rx_256_to_511_octets_gb +=
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readl(mmcaddr + MMC_RX_256_TO_511_OCTETS_GB);
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mmc->mmc_rx_512_to_1023_octets_gb +=
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readl(mmcaddr + MMC_RX_512_TO_1023_OCTETS_GB);
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mmc->mmc_rx_1024_to_max_octets_gb +=
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readl(mmcaddr + MMC_RX_1024_TO_MAX_OCTETS_GB);
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mmc->mmc_rx_unicast_g += readl(mmcaddr + MMC_RX_UNICAST_G);
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mmc->mmc_rx_length_error += readl(mmcaddr + MMC_RX_LENGTH_ERROR);
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mmc->mmc_rx_autofrangetype += readl(mmcaddr + MMC_RX_AUTOFRANGETYPE);
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mmc->mmc_rx_pause_frames += readl(mmcaddr + MMC_RX_PAUSE_FRAMES);
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mmc->mmc_rx_fifo_overflow += readl(mmcaddr + MMC_RX_FIFO_OVERFLOW);
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mmc->mmc_rx_vlan_frames_gb += readl(mmcaddr + MMC_RX_VLAN_FRAMES_GB);
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mmc->mmc_rx_watchdog_error += readl(mmcaddr + MMC_RX_WATCHDOG_ERROR);
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/* IPC */
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mmc->mmc_rx_ipc_intr_mask += readl(mmcaddr + MMC_RX_IPC_INTR_MASK);
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mmc->mmc_rx_ipc_intr += readl(mmcaddr + MMC_RX_IPC_INTR);
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/* IPv4 */
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mmc->mmc_rx_ipv4_gd += readl(mmcaddr + MMC_RX_IPV4_GD);
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mmc->mmc_rx_ipv4_hderr += readl(mmcaddr + MMC_RX_IPV4_HDERR);
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mmc->mmc_rx_ipv4_nopay += readl(mmcaddr + MMC_RX_IPV4_NOPAY);
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mmc->mmc_rx_ipv4_frag += readl(mmcaddr + MMC_RX_IPV4_FRAG);
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mmc->mmc_rx_ipv4_udsbl += readl(mmcaddr + MMC_RX_IPV4_UDSBL);
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mmc->mmc_rx_ipv4_gd_octets += readl(mmcaddr + MMC_RX_IPV4_GD_OCTETS);
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mmc->mmc_rx_ipv4_hderr_octets +=
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readl(mmcaddr + MMC_RX_IPV4_HDERR_OCTETS);
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mmc->mmc_rx_ipv4_nopay_octets +=
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readl(mmcaddr + MMC_RX_IPV4_NOPAY_OCTETS);
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mmc->mmc_rx_ipv4_frag_octets += readl(mmcaddr +
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MMC_RX_IPV4_FRAG_OCTETS);
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mmc->mmc_rx_ipv4_udsbl_octets +=
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readl(mmcaddr + MMC_RX_IPV4_UDSBL_OCTETS);
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/* IPV6 */
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mmc->mmc_rx_ipv6_gd_octets += readl(mmcaddr + MMC_RX_IPV6_GD_OCTETS);
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mmc->mmc_rx_ipv6_hderr_octets +=
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readl(mmcaddr + MMC_RX_IPV6_HDERR_OCTETS);
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mmc->mmc_rx_ipv6_nopay_octets +=
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readl(mmcaddr + MMC_RX_IPV6_NOPAY_OCTETS);
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mmc->mmc_rx_ipv6_gd += readl(mmcaddr + MMC_RX_IPV6_GD);
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mmc->mmc_rx_ipv6_hderr += readl(mmcaddr + MMC_RX_IPV6_HDERR);
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mmc->mmc_rx_ipv6_nopay += readl(mmcaddr + MMC_RX_IPV6_NOPAY);
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/* Protocols */
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mmc->mmc_rx_udp_gd += readl(mmcaddr + MMC_RX_UDP_GD);
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mmc->mmc_rx_udp_err += readl(mmcaddr + MMC_RX_UDP_ERR);
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mmc->mmc_rx_tcp_gd += readl(mmcaddr + MMC_RX_TCP_GD);
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mmc->mmc_rx_tcp_err += readl(mmcaddr + MMC_RX_TCP_ERR);
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mmc->mmc_rx_icmp_gd += readl(mmcaddr + MMC_RX_ICMP_GD);
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mmc->mmc_rx_icmp_err += readl(mmcaddr + MMC_RX_ICMP_ERR);
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mmc->mmc_rx_udp_gd_octets += readl(mmcaddr + MMC_RX_UDP_GD_OCTETS);
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mmc->mmc_rx_udp_err_octets += readl(mmcaddr + MMC_RX_UDP_ERR_OCTETS);
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mmc->mmc_rx_tcp_gd_octets += readl(mmcaddr + MMC_RX_TCP_GD_OCTETS);
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mmc->mmc_rx_tcp_err_octets += readl(mmcaddr + MMC_RX_TCP_ERR_OCTETS);
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mmc->mmc_rx_icmp_gd_octets += readl(mmcaddr + MMC_RX_ICMP_GD_OCTETS);
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mmc->mmc_rx_icmp_err_octets += readl(mmcaddr + MMC_RX_ICMP_ERR_OCTETS);
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}
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