| // SPDX-License-Identifier: GPL-2.0-only |
| /******************************************************************************* |
| DWMAC Management Counters |
| |
| Copyright (C) 2011 STMicroelectronics Ltd |
| |
| |
| Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> |
| *******************************************************************************/ |
| |
| #include <linux/kernel.h> |
| #include <linux/io.h> |
| #include "hwif.h" |
| #include "mmc.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 |
| |
| static void dwmac_mmc_ctrl(void __iomem *mmcaddr, unsigned int mode) |
| { |
| u32 value = readl(mmcaddr + MMC_CNTRL); |
| |
| value |= (mode & 0x3F); |
| |
| writel(value, mmcaddr + MMC_CNTRL); |
| |
| pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n", |
| MMC_CNTRL, value); |
| } |
| |
| /* To mask all all interrupts.*/ |
| static void dwmac_mmc_intr_all_mask(void __iomem *mmcaddr) |
| { |
| writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_INTR_MASK); |
| writel(MMC_DEFAULT_MASK, mmcaddr + MMC_TX_INTR_MASK); |
| writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_IPC_INTR_MASK); |
| } |
| |
| /* 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(void __iomem *mmcaddr, struct stmmac_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); |
| } |
| |
| const struct stmmac_mmc_ops dwmac_mmc_ops = { |
| .ctrl = dwmac_mmc_ctrl, |
| .intr_all_mask = dwmac_mmc_intr_all_mask, |
| .read = dwmac_mmc_read, |
| }; |
