diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/mmc_core.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/mmc_core.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c new file mode 100644 index 000000000000..41e6b33e1b08 --- /dev/null +++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c @@ -0,0 +1,265 @@ +/******************************************************************************* + DWMAC Management Counters + + Copyright (C) 2011 STMicroelectronics Ltd + + This program is free software; you can redistribute it and/or modify it + under the terms and conditions of the GNU General Public License, + version 2, as published by the Free Software Foundation. + + This program is distributed in the hope 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 St - Fifth Floor, Boston, MA 02110-1301 USA. + + The full GNU General Public License is included in this distribution in + the file called "COPYING". + + Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> +*******************************************************************************/ + +#include <linux/io.h> +#include "mmc.h" + +/* MAC Management Counters register offset */ + +#define MMC_CNTRL 0x00000100 /* MMC Control */ +#define MMC_RX_INTR 0x00000104 /* MMC RX Interrupt */ +#define MMC_TX_INTR 0x00000108 /* MMC TX Interrupt */ +#define MMC_RX_INTR_MASK 0x0000010c /* MMC Interrupt Mask */ +#define MMC_TX_INTR_MASK 0x00000110 /* MMC Interrupt Mask */ +#define MMC_DEFAUL_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 0x00000114 +#define MMC_TX_FRAMECOUNT_GB 0x00000118 +#define MMC_TX_BROADCASTFRAME_G 0x0000011c +#define MMC_TX_MULTICASTFRAME_G 0x00000120 +#define MMC_TX_64_OCTETS_GB 0x00000124 +#define MMC_TX_65_TO_127_OCTETS_GB 0x00000128 +#define MMC_TX_128_TO_255_OCTETS_GB 0x0000012c +#define MMC_TX_256_TO_511_OCTETS_GB 0x00000130 +#define MMC_TX_512_TO_1023_OCTETS_GB 0x00000134 +#define MMC_TX_1024_TO_MAX_OCTETS_GB 0x00000138 +#define MMC_TX_UNICAST_GB 0x0000013c +#define MMC_TX_MULTICAST_GB 0x00000140 +#define MMC_TX_BROADCAST_GB 0x00000144 +#define MMC_TX_UNDERFLOW_ERROR 0x00000148 +#define MMC_TX_SINGLECOL_G 0x0000014c +#define MMC_TX_MULTICOL_G 0x00000150 +#define MMC_TX_DEFERRED 0x00000154 +#define MMC_TX_LATECOL 0x00000158 +#define MMC_TX_EXESSCOL 0x0000015c +#define MMC_TX_CARRIER_ERROR 0x00000160 +#define MMC_TX_OCTETCOUNT_G 0x00000164 +#define MMC_TX_FRAMECOUNT_G 0x00000168 +#define MMC_TX_EXCESSDEF 0x0000016c +#define MMC_TX_PAUSE_FRAME 0x00000170 +#define MMC_TX_VLAN_FRAME_G 0x00000174 + +/* MMC RX counter registers */ +#define MMC_RX_FRAMECOUNT_GB 0x00000180 +#define MMC_RX_OCTETCOUNT_GB 0x00000184 +#define MMC_RX_OCTETCOUNT_G 0x00000188 +#define MMC_RX_BROADCASTFRAME_G 0x0000018c +#define MMC_RX_MULTICASTFRAME_G 0x00000190 +#define MMC_RX_CRC_ERRROR 0x00000194 +#define MMC_RX_ALIGN_ERROR 0x00000198 +#define MMC_RX_RUN_ERROR 0x0000019C +#define MMC_RX_JABBER_ERROR 0x000001A0 +#define MMC_RX_UNDERSIZE_G 0x000001A4 +#define MMC_RX_OVERSIZE_G 0x000001A8 +#define MMC_RX_64_OCTETS_GB 0x000001AC +#define MMC_RX_65_TO_127_OCTETS_GB 0x000001b0 +#define MMC_RX_128_TO_255_OCTETS_GB 0x000001b4 +#define MMC_RX_256_TO_511_OCTETS_GB 0x000001b8 +#define MMC_RX_512_TO_1023_OCTETS_GB 0x000001bc +#define MMC_RX_1024_TO_MAX_OCTETS_GB 0x000001c0 +#define MMC_RX_UNICAST_G 0x000001c4 +#define MMC_RX_LENGTH_ERROR 0x000001c8 +#define MMC_RX_AUTOFRANGETYPE 0x000001cc +#define MMC_RX_PAUSE_FRAMES 0x000001d0 +#define MMC_RX_FIFO_OVERFLOW 0x000001d4 +#define MMC_RX_VLAN_FRAMES_GB 0x000001d8 +#define MMC_RX_WATCHDOG_ERROR 0x000001dc +/* IPC*/ +#define MMC_RX_IPC_INTR_MASK 0x00000200 +#define MMC_RX_IPC_INTR 0x00000208 +/* IPv4*/ +#define MMC_RX_IPV4_GD 0x00000210 +#define MMC_RX_IPV4_HDERR 0x00000214 +#define MMC_RX_IPV4_NOPAY 0x00000218 +#define MMC_RX_IPV4_FRAG 0x0000021C +#define MMC_RX_IPV4_UDSBL 0x00000220 + +#define MMC_RX_IPV4_GD_OCTETS 0x00000250 +#define MMC_RX_IPV4_HDERR_OCTETS 0x00000254 +#define MMC_RX_IPV4_NOPAY_OCTETS 0x00000258 +#define MMC_RX_IPV4_FRAG_OCTETS 0x0000025c +#define MMC_RX_IPV4_UDSBL_OCTETS 0x00000260 + +/* IPV6*/ +#define MMC_RX_IPV6_GD_OCTETS 0x00000264 +#define MMC_RX_IPV6_HDERR_OCTETS 0x00000268 +#define MMC_RX_IPV6_NOPAY_OCTETS 0x0000026c + +#define MMC_RX_IPV6_GD 0x00000224 +#define MMC_RX_IPV6_HDERR 0x00000228 +#define MMC_RX_IPV6_NOPAY 0x0000022c + +/* Protocols*/ +#define MMC_RX_UDP_GD 0x00000230 +#define MMC_RX_UDP_ERR 0x00000234 +#define MMC_RX_TCP_GD 0x00000238 +#define MMC_RX_TCP_ERR 0x0000023c +#define MMC_RX_ICMP_GD 0x00000240 +#define MMC_RX_ICMP_ERR 0x00000244 + +#define MMC_RX_UDP_GD_OCTETS 0x00000270 +#define MMC_RX_UDP_ERR_OCTETS 0x00000274 +#define MMC_RX_TCP_GD_OCTETS 0x00000278 +#define MMC_RX_TCP_ERR_OCTETS 0x0000027c +#define MMC_RX_ICMP_GD_OCTETS 0x00000280 +#define MMC_RX_ICMP_ERR_OCTETS 0x00000284 + +void dwmac_mmc_ctrl(void __iomem *ioaddr, unsigned int mode) +{ + u32 value = readl(ioaddr + MMC_CNTRL); + + value |= (mode & 0x3F); + + writel(value, ioaddr + MMC_CNTRL); + + pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n", + MMC_CNTRL, value); +} + +/* To mask all all interrupts.*/ +void dwmac_mmc_intr_all_mask(void __iomem *ioaddr) +{ + writel(MMC_DEFAUL_MASK, ioaddr + MMC_RX_INTR_MASK); + writel(MMC_DEFAUL_MASK, ioaddr + MMC_TX_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. + */ +void dwmac_mmc_read(void __iomem *ioaddr, struct stmmac_counters *mmc) +{ + mmc->mmc_tx_octetcount_gb += readl(ioaddr + MMC_TX_OCTETCOUNT_GB); + mmc->mmc_tx_framecount_gb += readl(ioaddr + MMC_TX_FRAMECOUNT_GB); + mmc->mmc_tx_broadcastframe_g += readl(ioaddr + MMC_TX_BROADCASTFRAME_G); + mmc->mmc_tx_multicastframe_g += readl(ioaddr + MMC_TX_MULTICASTFRAME_G); + mmc->mmc_tx_64_octets_gb += readl(ioaddr + MMC_TX_64_OCTETS_GB); + mmc->mmc_tx_65_to_127_octets_gb += + readl(ioaddr + MMC_TX_65_TO_127_OCTETS_GB); + mmc->mmc_tx_128_to_255_octets_gb += + readl(ioaddr + MMC_TX_128_TO_255_OCTETS_GB); + mmc->mmc_tx_256_to_511_octets_gb += + readl(ioaddr + MMC_TX_256_TO_511_OCTETS_GB); + mmc->mmc_tx_512_to_1023_octets_gb += + readl(ioaddr + MMC_TX_512_TO_1023_OCTETS_GB); + mmc->mmc_tx_1024_to_max_octets_gb += + readl(ioaddr + MMC_TX_1024_TO_MAX_OCTETS_GB); + mmc->mmc_tx_unicast_gb += readl(ioaddr + MMC_TX_UNICAST_GB); + mmc->mmc_tx_multicast_gb += readl(ioaddr + MMC_TX_MULTICAST_GB); + mmc->mmc_tx_broadcast_gb += readl(ioaddr + MMC_TX_BROADCAST_GB); + mmc->mmc_tx_underflow_error += readl(ioaddr + MMC_TX_UNDERFLOW_ERROR); + mmc->mmc_tx_singlecol_g += readl(ioaddr + MMC_TX_SINGLECOL_G); + mmc->mmc_tx_multicol_g += readl(ioaddr + MMC_TX_MULTICOL_G); + mmc->mmc_tx_deferred += readl(ioaddr + MMC_TX_DEFERRED); + mmc->mmc_tx_latecol += readl(ioaddr + MMC_TX_LATECOL); + mmc->mmc_tx_exesscol += readl(ioaddr + MMC_TX_EXESSCOL); + mmc->mmc_tx_carrier_error += readl(ioaddr + MMC_TX_CARRIER_ERROR); + mmc->mmc_tx_octetcount_g += readl(ioaddr + MMC_TX_OCTETCOUNT_G); + mmc->mmc_tx_framecount_g += readl(ioaddr + MMC_TX_FRAMECOUNT_G); + mmc->mmc_tx_excessdef += readl(ioaddr + MMC_TX_EXCESSDEF); + mmc->mmc_tx_pause_frame += readl(ioaddr + MMC_TX_PAUSE_FRAME); + mmc->mmc_tx_vlan_frame_g += readl(ioaddr + MMC_TX_VLAN_FRAME_G); + + /* MMC RX counter registers */ + mmc->mmc_rx_framecount_gb += readl(ioaddr + MMC_RX_FRAMECOUNT_GB); + mmc->mmc_rx_octetcount_gb += readl(ioaddr + MMC_RX_OCTETCOUNT_GB); + mmc->mmc_rx_octetcount_g += readl(ioaddr + MMC_RX_OCTETCOUNT_G); + mmc->mmc_rx_broadcastframe_g += readl(ioaddr + MMC_RX_BROADCASTFRAME_G); + mmc->mmc_rx_multicastframe_g += readl(ioaddr + MMC_RX_MULTICASTFRAME_G); + mmc->mmc_rx_crc_errror += readl(ioaddr + MMC_RX_CRC_ERRROR); + mmc->mmc_rx_align_error += readl(ioaddr + MMC_RX_ALIGN_ERROR); + mmc->mmc_rx_run_error += readl(ioaddr + MMC_RX_RUN_ERROR); + mmc->mmc_rx_jabber_error += readl(ioaddr + MMC_RX_JABBER_ERROR); + mmc->mmc_rx_undersize_g += readl(ioaddr + MMC_RX_UNDERSIZE_G); + mmc->mmc_rx_oversize_g += readl(ioaddr + MMC_RX_OVERSIZE_G); + mmc->mmc_rx_64_octets_gb += readl(ioaddr + MMC_RX_64_OCTETS_GB); + mmc->mmc_rx_65_to_127_octets_gb += + readl(ioaddr + MMC_RX_65_TO_127_OCTETS_GB); + mmc->mmc_rx_128_to_255_octets_gb += + readl(ioaddr + MMC_RX_128_TO_255_OCTETS_GB); + mmc->mmc_rx_256_to_511_octets_gb += + readl(ioaddr + MMC_RX_256_TO_511_OCTETS_GB); + mmc->mmc_rx_512_to_1023_octets_gb += + readl(ioaddr + MMC_RX_512_TO_1023_OCTETS_GB); + mmc->mmc_rx_1024_to_max_octets_gb += + readl(ioaddr + MMC_RX_1024_TO_MAX_OCTETS_GB); + mmc->mmc_rx_unicast_g += readl(ioaddr + MMC_RX_UNICAST_G); + mmc->mmc_rx_length_error += readl(ioaddr + MMC_RX_LENGTH_ERROR); + mmc->mmc_rx_autofrangetype += readl(ioaddr + MMC_RX_AUTOFRANGETYPE); + mmc->mmc_rx_pause_frames += readl(ioaddr + MMC_RX_PAUSE_FRAMES); + mmc->mmc_rx_fifo_overflow += readl(ioaddr + MMC_RX_FIFO_OVERFLOW); + mmc->mmc_rx_vlan_frames_gb += readl(ioaddr + MMC_RX_VLAN_FRAMES_GB); + mmc->mmc_rx_watchdog_error += readl(ioaddr + MMC_RX_WATCHDOG_ERROR); + /* IPC */ + mmc->mmc_rx_ipc_intr_mask += readl(ioaddr + MMC_RX_IPC_INTR_MASK); + mmc->mmc_rx_ipc_intr += readl(ioaddr + MMC_RX_IPC_INTR); + /* IPv4 */ + mmc->mmc_rx_ipv4_gd += readl(ioaddr + MMC_RX_IPV4_GD); + mmc->mmc_rx_ipv4_hderr += readl(ioaddr + MMC_RX_IPV4_HDERR); + mmc->mmc_rx_ipv4_nopay += readl(ioaddr + MMC_RX_IPV4_NOPAY); + mmc->mmc_rx_ipv4_frag += readl(ioaddr + MMC_RX_IPV4_FRAG); + mmc->mmc_rx_ipv4_udsbl += readl(ioaddr + MMC_RX_IPV4_UDSBL); + + mmc->mmc_rx_ipv4_gd_octets += readl(ioaddr + MMC_RX_IPV4_GD_OCTETS); + mmc->mmc_rx_ipv4_hderr_octets += + readl(ioaddr + MMC_RX_IPV4_HDERR_OCTETS); + mmc->mmc_rx_ipv4_nopay_octets += + readl(ioaddr + MMC_RX_IPV4_NOPAY_OCTETS); + mmc->mmc_rx_ipv4_frag_octets += readl(ioaddr + MMC_RX_IPV4_FRAG_OCTETS); + mmc->mmc_rx_ipv4_udsbl_octets += + readl(ioaddr + MMC_RX_IPV4_UDSBL_OCTETS); + + /* IPV6 */ + mmc->mmc_rx_ipv6_gd_octets += readl(ioaddr + MMC_RX_IPV6_GD_OCTETS); + mmc->mmc_rx_ipv6_hderr_octets += + readl(ioaddr + MMC_RX_IPV6_HDERR_OCTETS); + mmc->mmc_rx_ipv6_nopay_octets += + readl(ioaddr + MMC_RX_IPV6_NOPAY_OCTETS); + + mmc->mmc_rx_ipv6_gd += readl(ioaddr + MMC_RX_IPV6_GD); + mmc->mmc_rx_ipv6_hderr += readl(ioaddr + MMC_RX_IPV6_HDERR); + mmc->mmc_rx_ipv6_nopay += readl(ioaddr + MMC_RX_IPV6_NOPAY); + + /* Protocols */ + mmc->mmc_rx_udp_gd += readl(ioaddr + MMC_RX_UDP_GD); + mmc->mmc_rx_udp_err += readl(ioaddr + MMC_RX_UDP_ERR); + mmc->mmc_rx_tcp_gd += readl(ioaddr + MMC_RX_TCP_GD); + mmc->mmc_rx_tcp_err += readl(ioaddr + MMC_RX_TCP_ERR); + mmc->mmc_rx_icmp_gd += readl(ioaddr + MMC_RX_ICMP_GD); + mmc->mmc_rx_icmp_err += readl(ioaddr + MMC_RX_ICMP_ERR); + + mmc->mmc_rx_udp_gd_octets += readl(ioaddr + MMC_RX_UDP_GD_OCTETS); + mmc->mmc_rx_udp_err_octets += readl(ioaddr + MMC_RX_UDP_ERR_OCTETS); + mmc->mmc_rx_tcp_gd_octets += readl(ioaddr + MMC_RX_TCP_GD_OCTETS); + mmc->mmc_rx_tcp_err_octets += readl(ioaddr + MMC_RX_TCP_ERR_OCTETS); + mmc->mmc_rx_icmp_gd_octets += readl(ioaddr + MMC_RX_ICMP_GD_OCTETS); + mmc->mmc_rx_icmp_err_octets += readl(ioaddr + MMC_RX_ICMP_ERR_OCTETS); +} |