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android_kernel_samsung_sm8650/mmc_core.c
TC956X cfb73b838f V_01-00-24 
1. Runtime configuration of EEE supported and LPI interrupts disabled by default.
2. Module param added to configure EEE and LPI timer.
3. Driver name corrected in ethtool display.
2024-02-03 18:25:14 -08:00

545 lines
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/*
* TC956X ethernet driver.
*
* mmc_core.c
*
* Copyright (C) 2011 STMicroelectronics Ltd
* Copyright (C) 2021 Toshiba Electronic Devices & Storage Corporation
*
* This file has been derived from the STMicro Linux driver,
* and developed or modified for TC956X.
*
* 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, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*! History:
* 20 Jan 2021 : Initial Version
* VERSION : 00-01
*
* 15 Mar 2021 : Base lined
* VERSION : 01-00
* 24 Nov 2021 : 1. EEE HW counter support.
* VERSION : 01-00-24
*/
#include <linux/kernel.h>
#include <linux/io.h>
#include "hwif.h"
#include "mmc.h"
#include "tc956xmac.h"
/* MAC Management Counters register offset */
#define MMC_CNTRL 0x00 /* MMC Control */
#define MMC_RX_INTR 0x04 /* MMC RX Interrupt */
#define MMC_TX_INTR 0x08 /* MMC TX Interrupt */
#define MMC_RX_INTR_MASK 0x0c /* MMC Interrupt Mask */
#define MMC_TX_INTR_MASK 0x10 /* MMC Interrupt Mask */
#define MMC_DEFAULT_MASK 0xffffffff
/* MMC TX counter registers */
/* Note:
* _GB register stands for good and bad frames
* _G is for good only.
*/
#define MMC_TX_OCTETCOUNT_GB 0x14
#define MMC_TX_FRAMECOUNT_GB 0x18
#define MMC_TX_BROADCASTFRAME_G 0x1c
#define MMC_TX_MULTICASTFRAME_G 0x20
#define MMC_TX_64_OCTETS_GB 0x24
#define MMC_TX_65_TO_127_OCTETS_GB 0x28
#define MMC_TX_128_TO_255_OCTETS_GB 0x2c
#define MMC_TX_256_TO_511_OCTETS_GB 0x30
#define MMC_TX_512_TO_1023_OCTETS_GB 0x34
#define MMC_TX_1024_TO_MAX_OCTETS_GB 0x38
#define MMC_TX_UNICAST_GB 0x3c
#define MMC_TX_MULTICAST_GB 0x40
#define MMC_TX_BROADCAST_GB 0x44
#define MMC_TX_UNDERFLOW_ERROR 0x48
#define MMC_TX_SINGLECOL_G 0x4c
#define MMC_TX_MULTICOL_G 0x50
#define MMC_TX_DEFERRED 0x54
#define MMC_TX_LATECOL 0x58
#define MMC_TX_EXESSCOL 0x5c
#define MMC_TX_CARRIER_ERROR 0x60
#define MMC_TX_OCTETCOUNT_G 0x64
#define MMC_TX_FRAMECOUNT_G 0x68
#define MMC_TX_EXCESSDEF 0x6c
#define MMC_TX_PAUSE_FRAME 0x70
#define MMC_TX_VLAN_FRAME_G 0x74
/* MMC RX counter registers */
#define MMC_RX_FRAMECOUNT_GB 0x80
#define MMC_RX_OCTETCOUNT_GB 0x84
#define MMC_RX_OCTETCOUNT_G 0x88
#define MMC_RX_BROADCASTFRAME_G 0x8c
#define MMC_RX_MULTICASTFRAME_G 0x90
#define MMC_RX_CRC_ERROR 0x94
#define MMC_RX_ALIGN_ERROR 0x98
#define MMC_RX_RUN_ERROR 0x9C
#define MMC_RX_JABBER_ERROR 0xA0
#define MMC_RX_UNDERSIZE_G 0xA4
#define MMC_RX_OVERSIZE_G 0xA8
#define MMC_RX_64_OCTETS_GB 0xAC
#define MMC_RX_65_TO_127_OCTETS_GB 0xb0
#define MMC_RX_128_TO_255_OCTETS_GB 0xb4
#define MMC_RX_256_TO_511_OCTETS_GB 0xb8
#define MMC_RX_512_TO_1023_OCTETS_GB 0xbc
#define MMC_RX_1024_TO_MAX_OCTETS_GB 0xc0
#define MMC_RX_UNICAST_G 0xc4
#define MMC_RX_LENGTH_ERROR 0xc8
#define MMC_RX_AUTOFRANGETYPE 0xcc
#define MMC_RX_PAUSE_FRAMES 0xd0
#define MMC_RX_FIFO_OVERFLOW 0xd4
#define MMC_RX_VLAN_FRAMES_GB 0xd8
#define MMC_RX_WATCHDOG_ERROR 0xdc
/* IPC*/
#define MMC_RX_IPC_INTR_MASK 0x100
#define MMC_RX_IPC_INTR 0x108
/* IPv4*/
#define MMC_RX_IPV4_GD 0x110
#define MMC_RX_IPV4_HDERR 0x114
#define MMC_RX_IPV4_NOPAY 0x118
#define MMC_RX_IPV4_FRAG 0x11C
#define MMC_RX_IPV4_UDSBL 0x120
#define MMC_RX_IPV4_GD_OCTETS 0x150
#define MMC_RX_IPV4_HDERR_OCTETS 0x154
#define MMC_RX_IPV4_NOPAY_OCTETS 0x158
#define MMC_RX_IPV4_FRAG_OCTETS 0x15c
#define MMC_RX_IPV4_UDSBL_OCTETS 0x160
/* IPV6*/
#define MMC_RX_IPV6_GD_OCTETS 0x164
#define MMC_RX_IPV6_HDERR_OCTETS 0x168
#define MMC_RX_IPV6_NOPAY_OCTETS 0x16c
#define MMC_RX_IPV6_GD 0x124
#define MMC_RX_IPV6_HDERR 0x128
#define MMC_RX_IPV6_NOPAY 0x12c
/* Protocols*/
#define MMC_RX_UDP_GD 0x130
#define MMC_RX_UDP_ERR 0x134
#define MMC_RX_TCP_GD 0x138
#define MMC_RX_TCP_ERR 0x13c
#define MMC_RX_ICMP_GD 0x140
#define MMC_RX_ICMP_ERR 0x144
#define MMC_RX_UDP_GD_OCTETS 0x170
#define MMC_RX_UDP_ERR_OCTETS 0x174
#define MMC_RX_TCP_GD_OCTETS 0x178
#define MMC_RX_TCP_ERR_OCTETS 0x17c
#define MMC_RX_ICMP_GD_OCTETS 0x180
#define MMC_RX_ICMP_ERR_OCTETS 0x184
#define MMC_TX_FPE_FRAG 0x1a8
#define MMC_TX_HOLD_REQ 0x1ac
#define MMC_RX_PKT_ASSEMBLY_ERR 0x1c8
#define MMC_RX_PKT_SMD_ERR 0x1cc
#define MMC_RX_PKT_ASSEMBLY_OK 0x1d0
#define MMC_RX_FPE_FRAG 0x1d4
/* XGMAC MMC Registers */
#define MMC_XGMAC_TX_OCTET_GB 0x14
#define MMC_XGMAC_TX_PKT_GB 0x1c
#define MMC_XGMAC_TX_BROAD_PKT_G 0x24
#define MMC_XGMAC_TX_MULTI_PKT_G 0x2c
#define MMC_XGMAC_TX_64OCT_GB 0x34
#define MMC_XGMAC_TX_65OCT_GB 0x3c
#define MMC_XGMAC_TX_128OCT_GB 0x44
#define MMC_XGMAC_TX_256OCT_GB 0x4c
#define MMC_XGMAC_TX_512OCT_GB 0x54
#define MMC_XGMAC_TX_1024OCT_GB 0x5c
#define MMC_XGMAC_TX_UNI_PKT_GB 0x64
#define MMC_XGMAC_TX_MULTI_PKT_GB 0x6c
#define MMC_XGMAC_TX_BROAD_PKT_GB 0x74
#define MMC_XGMAC_TX_UNDER 0x7c
#define MMC_XGMAC_TX_OCTET_G 0x84
#define MMC_XGMAC_TX_PKT_G 0x8c
#define MMC_XGMAC_TX_PAUSE 0x94
#define MMC_XGMAC_TX_VLAN_PKT_G 0x9c
#define MMC_XGMAC_TX_LPI_USEC 0xa4
#define MMC_XGMAC_TX_LPI_TRAN 0xa8
#define MMC_XGMAC_TX_PER_PRIOR_PKT 0xd4/* Priority MMC */
#define MMC_XGMAC_TX_PER_PRIOR_PFC_PKT 0xd8/* Priority MMC */
#define MMC_XGMAC_TX_PER_PRIOR_GPFC_PKT 0xdc/* Priority MMC */
#define MMC_XGMAC_TX_PER_PRIOR_OCTET_GB 0xe0/* Priority MMC */
#define MMC_XGMAC_RX_PKT_GB 0x100
#define MMC_XGMAC_RX_OCTET_GB 0x108
#define MMC_XGMAC_RX_OCTET_G 0x110
#define MMC_XGMAC_RX_BROAD_PKT_G 0x118
#define MMC_XGMAC_RX_MULTI_PKT_G 0x120
#define MMC_XGMAC_RX_CRC_ERR 0x128
#define MMC_XGMAC_RX_RUNT_ERR 0x130
#define MMC_XGMAC_RX_JABBER_ERR 0x134
#define MMC_XGMAC_RX_UNDER 0x138
#define MMC_XGMAC_RX_OVER 0x13c
#define MMC_XGMAC_RX_64OCT_GB 0x140
#define MMC_XGMAC_RX_65OCT_GB 0x148
#define MMC_XGMAC_RX_128OCT_GB 0x150
#define MMC_XGMAC_RX_256OCT_GB 0x158
#define MMC_XGMAC_RX_512OCT_GB 0x160
#define MMC_XGMAC_RX_1024OCT_GB 0x168
#define MMC_XGMAC_RX_UNI_PKT_G 0x170
#define MMC_XGMAC_RX_LENGTH_ERR 0x178
#define MMC_XGMAC_RX_RANGE 0x180
#define MMC_XGMAC_RX_PAUSE 0x188
#define MMC_XGMAC_RX_FIFOOVER_PKT 0x190
#define MMC_XGMAC_RX_VLAN_PKT_GB 0x198
#define MMC_XGMAC_RX_WATCHDOG_ERR 0x1a0
#define MMC_XGMAC_RX_LPI_USEC 0x1a4
#define MMC_XGMAC_RX_LPI_TRAN 0x1a8
#define MMC_XGMAC_RX_DISCARD_PKT_GB 0x1ac
#define MMC_XGMAC_RX_DISCARD_OCT_GB 0x1b4
#define MMC_XGMAC_RX_ALIGN_ERR_PKT 0x1bc
#define MMC_XGMAC_RX_PER_PRIOR_PKT 0x1d4/* RX Priority register */
#define MMC_XGMAC_RX_PER_PRIOR_PKT_BAD 0x1d8/* RX Priority register */
#define MMC_XGMAC_RX_PER_PRIOR_PFC_PKT 0x1dc/* RX Priority register */
#define MMC_XGMAC_RX_PER_PRIOR_OCTET 0x1e0/* RX Priority register */
#define MMC_XGMAC_TX_FPE_FRAG 0x208
#define MMC_XGMAC_TX_HOLD_REQ 0x20c
#define MMC_XGMAC_RX_PKT_ASSEMBLY_ERR 0x228
#define MMC_XGMAC_RX_PKT_SMD_ERR 0x22c
#define MMC_XGMAC_RX_PKT_ASSEMBLY_OK 0x230
#define MMC_XGMAC_RX_FPE_FRAG 0x234
#define MMC_XGMAC_RX_IPC_INTR_MASK 0x25c
#ifdef TC956X_UNSUPPORTED_UNTESTED_FEATURE
static void dwmac_mmc_ctrl(struct tc956xmac_priv *priv, void __iomem *mmcaddr,
unsigned int mode)
{
u32 value = readl(mmcaddr + MMC_CNTRL);
value |= (mode & 0x3F);
writel(value, mmcaddr + MMC_CNTRL);
pr_debug("tc956xmac: MMC ctrl register (offset 0x%x): 0x%08x\n",
MMC_CNTRL, value);
}
/* To mask all all interrupts.*/
static void dwmac_mmc_intr_all_mask(struct tc956xmac_priv *priv,
void __iomem *mmcaddr)
{
writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_INTR_MASK);
writel(MMC_DEFAULT_MASK, mmcaddr + MMC_TX_INTR_MASK);
#ifndef TC956X
writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_IPC_INTR_MASK);
#endif
}
/* This reads the MAC core counters (if actaully supported).
* by default the MMC core is programmed to reset each
* counter after a read. So all the field of the mmc struct
* have to be incremented.
*/
static void dwmac_mmc_read(struct tc956xmac_priv *priv, void __iomem *mmcaddr,
struct tc956xmac_counters *mmc)
{
mmc->mmc_tx_octetcount_gb += readl(mmcaddr + MMC_TX_OCTETCOUNT_GB);
mmc->mmc_tx_framecount_gb += readl(mmcaddr + MMC_TX_FRAMECOUNT_GB);
mmc->mmc_tx_broadcastframe_g += readl(mmcaddr +
MMC_TX_BROADCASTFRAME_G);
mmc->mmc_tx_multicastframe_g += readl(mmcaddr +
MMC_TX_MULTICASTFRAME_G);
mmc->mmc_tx_64_octets_gb += readl(mmcaddr + MMC_TX_64_OCTETS_GB);
mmc->mmc_tx_65_to_127_octets_gb +=
readl(mmcaddr + MMC_TX_65_TO_127_OCTETS_GB);
mmc->mmc_tx_128_to_255_octets_gb +=
readl(mmcaddr + MMC_TX_128_TO_255_OCTETS_GB);
mmc->mmc_tx_256_to_511_octets_gb +=
readl(mmcaddr + MMC_TX_256_TO_511_OCTETS_GB);
mmc->mmc_tx_512_to_1023_octets_gb +=
readl(mmcaddr + MMC_TX_512_TO_1023_OCTETS_GB);
mmc->mmc_tx_1024_to_max_octets_gb +=
readl(mmcaddr + MMC_TX_1024_TO_MAX_OCTETS_GB);
mmc->mmc_tx_unicast_gb += readl(mmcaddr + MMC_TX_UNICAST_GB);
mmc->mmc_tx_multicast_gb += readl(mmcaddr + MMC_TX_MULTICAST_GB);
mmc->mmc_tx_broadcast_gb += readl(mmcaddr + MMC_TX_BROADCAST_GB);
mmc->mmc_tx_underflow_error += readl(mmcaddr + MMC_TX_UNDERFLOW_ERROR);
mmc->mmc_tx_singlecol_g += readl(mmcaddr + MMC_TX_SINGLECOL_G);
mmc->mmc_tx_multicol_g += readl(mmcaddr + MMC_TX_MULTICOL_G);
mmc->mmc_tx_deferred += readl(mmcaddr + MMC_TX_DEFERRED);
mmc->mmc_tx_latecol += readl(mmcaddr + MMC_TX_LATECOL);
mmc->mmc_tx_exesscol += readl(mmcaddr + MMC_TX_EXESSCOL);
mmc->mmc_tx_carrier_error += readl(mmcaddr + MMC_TX_CARRIER_ERROR);
mmc->mmc_tx_octetcount_g += readl(mmcaddr + MMC_TX_OCTETCOUNT_G);
mmc->mmc_tx_framecount_g += readl(mmcaddr + MMC_TX_FRAMECOUNT_G);
mmc->mmc_tx_excessdef += readl(mmcaddr + MMC_TX_EXCESSDEF);
mmc->mmc_tx_pause_frame += readl(mmcaddr + MMC_TX_PAUSE_FRAME);
mmc->mmc_tx_vlan_frame_g += readl(mmcaddr + MMC_TX_VLAN_FRAME_G);
/* MMC RX counter registers */
mmc->mmc_rx_framecount_gb += readl(mmcaddr + MMC_RX_FRAMECOUNT_GB);
mmc->mmc_rx_octetcount_gb += readl(mmcaddr + MMC_RX_OCTETCOUNT_GB);
mmc->mmc_rx_octetcount_g += readl(mmcaddr + MMC_RX_OCTETCOUNT_G);
mmc->mmc_rx_broadcastframe_g += readl(mmcaddr +
MMC_RX_BROADCASTFRAME_G);
mmc->mmc_rx_multicastframe_g += readl(mmcaddr +
MMC_RX_MULTICASTFRAME_G);
mmc->mmc_rx_crc_error += readl(mmcaddr + MMC_RX_CRC_ERROR);
mmc->mmc_rx_align_error += readl(mmcaddr + MMC_RX_ALIGN_ERROR);
mmc->mmc_rx_run_error += readl(mmcaddr + MMC_RX_RUN_ERROR);
mmc->mmc_rx_jabber_error += readl(mmcaddr + MMC_RX_JABBER_ERROR);
mmc->mmc_rx_undersize_g += readl(mmcaddr + MMC_RX_UNDERSIZE_G);
mmc->mmc_rx_oversize_g += readl(mmcaddr + MMC_RX_OVERSIZE_G);
mmc->mmc_rx_64_octets_gb += readl(mmcaddr + MMC_RX_64_OCTETS_GB);
mmc->mmc_rx_65_to_127_octets_gb +=
readl(mmcaddr + MMC_RX_65_TO_127_OCTETS_GB);
mmc->mmc_rx_128_to_255_octets_gb +=
readl(mmcaddr + MMC_RX_128_TO_255_OCTETS_GB);
mmc->mmc_rx_256_to_511_octets_gb +=
readl(mmcaddr + MMC_RX_256_TO_511_OCTETS_GB);
mmc->mmc_rx_512_to_1023_octets_gb +=
readl(mmcaddr + MMC_RX_512_TO_1023_OCTETS_GB);
mmc->mmc_rx_1024_to_max_octets_gb +=
readl(mmcaddr + MMC_RX_1024_TO_MAX_OCTETS_GB);
mmc->mmc_rx_unicast_g += readl(mmcaddr + MMC_RX_UNICAST_G);
mmc->mmc_rx_length_error += readl(mmcaddr + MMC_RX_LENGTH_ERROR);
mmc->mmc_rx_autofrangetype += readl(mmcaddr + MMC_RX_AUTOFRANGETYPE);
mmc->mmc_rx_pause_frames += readl(mmcaddr + MMC_RX_PAUSE_FRAMES);
mmc->mmc_rx_fifo_overflow += readl(mmcaddr + MMC_RX_FIFO_OVERFLOW);
mmc->mmc_rx_vlan_frames_gb += readl(mmcaddr + MMC_RX_VLAN_FRAMES_GB);
mmc->mmc_rx_watchdog_error += readl(mmcaddr + MMC_RX_WATCHDOG_ERROR);
/* IPC */
mmc->mmc_rx_ipc_intr_mask += readl(mmcaddr + MMC_RX_IPC_INTR_MASK);
mmc->mmc_rx_ipc_intr += readl(mmcaddr + MMC_RX_IPC_INTR);
/* IPv4 */
mmc->mmc_rx_ipv4_gd += readl(mmcaddr + MMC_RX_IPV4_GD);
mmc->mmc_rx_ipv4_hderr += readl(mmcaddr + MMC_RX_IPV4_HDERR);
mmc->mmc_rx_ipv4_nopay += readl(mmcaddr + MMC_RX_IPV4_NOPAY);
mmc->mmc_rx_ipv4_frag += readl(mmcaddr + MMC_RX_IPV4_FRAG);
mmc->mmc_rx_ipv4_udsbl += readl(mmcaddr + MMC_RX_IPV4_UDSBL);
mmc->mmc_rx_ipv4_gd_octets += readl(mmcaddr + MMC_RX_IPV4_GD_OCTETS);
mmc->mmc_rx_ipv4_hderr_octets +=
readl(mmcaddr + MMC_RX_IPV4_HDERR_OCTETS);
mmc->mmc_rx_ipv4_nopay_octets +=
readl(mmcaddr + MMC_RX_IPV4_NOPAY_OCTETS);
mmc->mmc_rx_ipv4_frag_octets += readl(mmcaddr +
MMC_RX_IPV4_FRAG_OCTETS);
mmc->mmc_rx_ipv4_udsbl_octets +=
readl(mmcaddr + MMC_RX_IPV4_UDSBL_OCTETS);
/* IPV6 */
mmc->mmc_rx_ipv6_gd_octets += readl(mmcaddr + MMC_RX_IPV6_GD_OCTETS);
mmc->mmc_rx_ipv6_hderr_octets +=
readl(mmcaddr + MMC_RX_IPV6_HDERR_OCTETS);
mmc->mmc_rx_ipv6_nopay_octets +=
readl(mmcaddr + MMC_RX_IPV6_NOPAY_OCTETS);
mmc->mmc_rx_ipv6_gd += readl(mmcaddr + MMC_RX_IPV6_GD);
mmc->mmc_rx_ipv6_hderr += readl(mmcaddr + MMC_RX_IPV6_HDERR);
mmc->mmc_rx_ipv6_nopay += readl(mmcaddr + MMC_RX_IPV6_NOPAY);
/* Protocols */
mmc->mmc_rx_udp_gd += readl(mmcaddr + MMC_RX_UDP_GD);
mmc->mmc_rx_udp_err += readl(mmcaddr + MMC_RX_UDP_ERR);
mmc->mmc_rx_tcp_gd += readl(mmcaddr + MMC_RX_TCP_GD);
mmc->mmc_rx_tcp_err += readl(mmcaddr + MMC_RX_TCP_ERR);
mmc->mmc_rx_icmp_gd += readl(mmcaddr + MMC_RX_ICMP_GD);
mmc->mmc_rx_icmp_err += readl(mmcaddr + MMC_RX_ICMP_ERR);
mmc->mmc_rx_udp_gd_octets += readl(mmcaddr + MMC_RX_UDP_GD_OCTETS);
mmc->mmc_rx_udp_err_octets += readl(mmcaddr + MMC_RX_UDP_ERR_OCTETS);
mmc->mmc_rx_tcp_gd_octets += readl(mmcaddr + MMC_RX_TCP_GD_OCTETS);
mmc->mmc_rx_tcp_err_octets += readl(mmcaddr + MMC_RX_TCP_ERR_OCTETS);
mmc->mmc_rx_icmp_gd_octets += readl(mmcaddr + MMC_RX_ICMP_GD_OCTETS);
mmc->mmc_rx_icmp_err_octets += readl(mmcaddr + MMC_RX_ICMP_ERR_OCTETS);
mmc->mmc_tx_fpe_fragment_cntr += readl(mmcaddr + MMC_TX_FPE_FRAG);
mmc->mmc_tx_hold_req_cntr += readl(mmcaddr + MMC_TX_HOLD_REQ);
mmc->mmc_rx_packet_assembly_err_cntr +=
readl(mmcaddr + MMC_RX_PKT_ASSEMBLY_ERR);
mmc->mmc_rx_packet_smd_err_cntr += readl(mmcaddr + MMC_RX_PKT_SMD_ERR);
mmc->mmc_rx_packet_assembly_ok_cntr +=
readl(mmcaddr + MMC_RX_PKT_ASSEMBLY_OK);
mmc->mmc_rx_fpe_fragment_cntr += readl(mmcaddr + MMC_RX_FPE_FRAG);
}
#endif /* TC956X_UNSUPPORTED_UNTESTED_FEATURE */
const struct tc956xmac_mmc_ops dwmac_mmc_ops = {
#ifdef TC956X_UNSUPPORTED_UNTESTED_FEATURE
.ctrl = dwmac_mmc_ctrl,
.intr_all_mask = dwmac_mmc_intr_all_mask,
.read = dwmac_mmc_read,
#endif /* TC956X_UNSUPPORTED_UNTESTED_FEATURE */
};
static void dwxgmac_mmc_ctrl(struct tc956xmac_priv *priv, void __iomem *mmcaddr,
unsigned int mode)
{
u32 value = readl(mmcaddr + MMC_CNTRL);
value |= (mode & 0x3F);
writel(value, mmcaddr + MMC_CNTRL);
}
static void dwxgmac_mmc_intr_all_mask(struct tc956xmac_priv *priv,
void __iomem *mmcaddr)
{
writel(0x0, mmcaddr + MMC_RX_INTR_MASK);
writel(0x0, mmcaddr + MMC_TX_INTR_MASK);
#ifndef TC956X
writel(MMC_DEFAULT_MASK, mmcaddr + MMC_XGMAC_RX_IPC_INTR_MASK);
#endif
}
static void dwxgmac_read_mmc_reg(void __iomem *addr, u32 reg, u64 *dest)
{
u64 tmp = 0;
tmp += readl(addr + reg);
tmp += ((u64)readl(addr + reg + 0x4)) << 32;
*dest = *dest + tmp;
}
/* This reads the MAC core counters (if actaully supported).
* by default the MMC core is programmed to reset each
* counter after a read. So all the field of the mmc struct
* have to be incremented.
*/
static void dwxgmac_mmc_read(struct tc956xmac_priv *priv, void __iomem *mmcaddr,
struct tc956xmac_counters *mmc)
{
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_OCTET_GB,
&mmc->mmc_tx_octetcount_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_PKT_GB,
&mmc->mmc_tx_framecount_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_BROAD_PKT_G,
&mmc->mmc_tx_broadcastframe_g);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_MULTI_PKT_G,
&mmc->mmc_tx_multicastframe_g);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_64OCT_GB,
&mmc->mmc_tx_64_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_65OCT_GB,
&mmc->mmc_tx_65_to_127_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_128OCT_GB,
&mmc->mmc_tx_128_to_255_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_256OCT_GB,
&mmc->mmc_tx_256_to_511_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_512OCT_GB,
&mmc->mmc_tx_512_to_1023_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_1024OCT_GB,
&mmc->mmc_tx_1024_to_max_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_UNI_PKT_GB,
&mmc->mmc_tx_unicast_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_MULTI_PKT_GB,
&mmc->mmc_tx_multicast_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_BROAD_PKT_GB,
&mmc->mmc_tx_broadcast_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_UNDER,
&mmc->mmc_tx_underflow_error);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_OCTET_G,
&mmc->mmc_tx_octetcount_g);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_PKT_G,
&mmc->mmc_tx_framecount_g);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_PAUSE,
&mmc->mmc_tx_pause_frame);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_VLAN_PKT_G,
&mmc->mmc_tx_vlan_frame_g);
mmc->mmc_tx_per_priority_pkt += readl(mmcaddr +
MMC_XGMAC_TX_PER_PRIOR_PKT);
mmc->mmc_tx_per_priority_pfc_pkt += readl(mmcaddr +
MMC_XGMAC_TX_PER_PRIOR_PFC_PKT);
mmc->mmc_tx_per_priority_gpfc_pkt += readl(mmcaddr +
MMC_XGMAC_TX_PER_PRIOR_GPFC_PKT);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_TX_PER_PRIOR_OCTET_GB,
&mmc->mmc_tx_per_priority_octet_gb);
/* MMC EEE registers */
mmc->mmc_tx_lpi_tran_cntr += readl(mmcaddr + MMC_XGMAC_TX_LPI_TRAN);
mmc->mmc_rx_lpi_tran_cntr += readl(mmcaddr + MMC_XGMAC_RX_LPI_TRAN);
/* MMC RX counter registers */
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_PKT_GB,
&mmc->mmc_rx_framecount_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_OCTET_GB,
&mmc->mmc_rx_octetcount_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_OCTET_G,
&mmc->mmc_rx_octetcount_g);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_BROAD_PKT_G,
&mmc->mmc_rx_broadcastframe_g);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_MULTI_PKT_G,
&mmc->mmc_rx_multicastframe_g);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_CRC_ERR,
&mmc->mmc_rx_crc_error);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_CRC_ERR,
&mmc->mmc_rx_crc_error);
mmc->mmc_rx_run_error += readl(mmcaddr + MMC_XGMAC_RX_RUNT_ERR);
mmc->mmc_rx_jabber_error += readl(mmcaddr + MMC_XGMAC_RX_JABBER_ERR);
mmc->mmc_rx_undersize_g += readl(mmcaddr + MMC_XGMAC_RX_UNDER);
mmc->mmc_rx_oversize_g += readl(mmcaddr + MMC_XGMAC_RX_OVER);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_64OCT_GB,
&mmc->mmc_rx_64_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_65OCT_GB,
&mmc->mmc_rx_65_to_127_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_128OCT_GB,
&mmc->mmc_rx_128_to_255_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_256OCT_GB,
&mmc->mmc_rx_256_to_511_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_512OCT_GB,
&mmc->mmc_rx_512_to_1023_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_1024OCT_GB,
&mmc->mmc_rx_1024_to_max_octets_gb);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_UNI_PKT_G,
&mmc->mmc_rx_unicast_g);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_LENGTH_ERR,
&mmc->mmc_rx_length_error);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_RANGE,
&mmc->mmc_rx_autofrangetype);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_PAUSE,
&mmc->mmc_rx_pause_frames);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_FIFOOVER_PKT,
&mmc->mmc_rx_fifo_overflow);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_VLAN_PKT_GB,
&mmc->mmc_rx_vlan_frames_gb);
mmc->mmc_rx_watchdog_error += readl(mmcaddr + MMC_XGMAC_RX_WATCHDOG_ERR);
mmc->mmc_rx_per_priority_pkt += readl(mmcaddr +
MMC_XGMAC_RX_PER_PRIOR_PKT);
mmc->mmc_rx_per_priority_pkt_bad += readl(mmcaddr +
MMC_XGMAC_RX_PER_PRIOR_PKT_BAD);
mmc->mmc_rx_per_priority_pkt_pfc += readl(mmcaddr +
MMC_XGMAC_RX_PER_PRIOR_PFC_PKT);
dwxgmac_read_mmc_reg(mmcaddr, MMC_XGMAC_RX_PER_PRIOR_OCTET,
&mmc->mmc_rx_per_priority_octet);
#if !defined(TX_LOGGING_TRACE) && !defined(RX_LOGGING_TRACE)
mmc->mmc_tx_fpe_fragment_cntr += readl(mmcaddr + MMC_XGMAC_TX_FPE_FRAG);
mmc->mmc_tx_hold_req_cntr += readl(mmcaddr + MMC_XGMAC_TX_HOLD_REQ);
mmc->mmc_rx_packet_assembly_err_cntr +=
readl(mmcaddr + MMC_XGMAC_RX_PKT_ASSEMBLY_ERR);
mmc->mmc_rx_packet_smd_err_cntr +=
readl(mmcaddr + MMC_XGMAC_RX_PKT_SMD_ERR);
mmc->mmc_rx_packet_assembly_ok_cntr +=
readl(mmcaddr + MMC_XGMAC_RX_PKT_ASSEMBLY_OK);
mmc->mmc_rx_fpe_fragment_cntr +=
readl(mmcaddr + MMC_XGMAC_RX_FPE_FRAG);
#endif
}
const struct tc956xmac_mmc_ops dwxgmac_mmc_ops = {
.ctrl = dwxgmac_mmc_ctrl,
.intr_all_mask = dwxgmac_mmc_intr_all_mask,
.read = dwxgmac_mmc_read,
};
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