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/*******************************************************************************
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/kernel.h>
#include <linux/io.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
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.*/
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.
*/
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);
}
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