| /* |
| * Copyright (C) 2018 MediaTek Inc. |
| * |
| * 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; version 2 of the License |
| * |
| * 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. |
| * |
| * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> |
| * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> |
| * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> |
| */ |
| |
| #include <linux/trace_seq.h> |
| #include <linux/seq_file.h> |
| #include <linux/proc_fs.h> |
| #include <linux/u64_stats_sync.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/netdevice.h> |
| #include <linux/ctype.h> |
| #include <linux/debugfs.h> |
| #include <linux/of_mdio.h> |
| |
| #include "mtk_eth_soc.h" |
| #include "mtk_eth_dbg.h" |
| |
| struct mtk_eth_debug { |
| struct dentry *root; |
| }; |
| |
| struct mtk_eth *g_eth; |
| |
| struct mtk_eth_debug eth_debug; |
| |
| void mt7530_mdio_w32(struct mtk_eth *eth, u16 reg, u32 val) |
| { |
| mutex_lock(ð->mii_bus->mdio_lock); |
| |
| _mtk_mdio_write(eth, 0x1f, 0x1f, (reg >> 6) & 0x3ff); |
| _mtk_mdio_write(eth, 0x1f, (reg >> 2) & 0xf, val & 0xffff); |
| _mtk_mdio_write(eth, 0x1f, 0x10, val >> 16); |
| |
| mutex_unlock(ð->mii_bus->mdio_lock); |
| } |
| |
| u32 mt7530_mdio_r32(struct mtk_eth *eth, u32 reg) |
| { |
| u16 high, low; |
| |
| mutex_lock(ð->mii_bus->mdio_lock); |
| |
| _mtk_mdio_write(eth, 0x1f, 0x1f, (reg >> 6) & 0x3ff); |
| low = _mtk_mdio_read(eth, 0x1f, (reg >> 2) & 0xf); |
| high = _mtk_mdio_read(eth, 0x1f, 0x10); |
| |
| mutex_unlock(ð->mii_bus->mdio_lock); |
| |
| return (high << 16) | (low & 0xffff); |
| } |
| |
| void mtk_switch_w32(struct mtk_eth *eth, u32 val, unsigned reg) |
| { |
| mtk_w32(eth, val, reg + 0x10000); |
| } |
| EXPORT_SYMBOL(mtk_switch_w32); |
| |
| u32 mtk_switch_r32(struct mtk_eth *eth, unsigned reg) |
| { |
| return mtk_r32(eth, reg + 0x10000); |
| } |
| EXPORT_SYMBOL(mtk_switch_r32); |
| |
| static int mtketh_debug_show(struct seq_file *m, void *private) |
| { |
| struct mtk_eth *eth = m->private; |
| struct mtk_mac *mac = 0; |
| u32 d; |
| int i, j = 0; |
| |
| for (i = 0 ; i < MTK_MAX_DEVS ; i++) { |
| if (!eth->mac[i] || |
| of_phy_is_fixed_link(eth->mac[i]->of_node)) |
| continue; |
| mac = eth->mac[i]; |
| #if 0 //FIXME |
| while (j < 30) { |
| d = _mtk_mdio_read(eth, mac->phy_dev->addr, j); |
| |
| seq_printf(m, "phy=%d, reg=0x%08x, data=0x%08x\n", |
| mac->phy_dev->addr, j, d); |
| j++; |
| } |
| #endif |
| } |
| return 0; |
| } |
| |
| static int mtketh_debug_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, mtketh_debug_show, inode->i_private); |
| } |
| |
| static const struct file_operations mtketh_debug_fops = { |
| .open = mtketh_debug_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release, |
| }; |
| |
| static int mtketh_mt7530sw_debug_show(struct seq_file *m, void *private) |
| { |
| struct mtk_eth *eth = m->private; |
| u32 offset, data; |
| int i; |
| struct mt7530_ranges { |
| u32 start; |
| u32 end; |
| } ranges[] = { |
| {0x0, 0xac}, |
| {0x1000, 0x10e0}, |
| {0x1100, 0x1140}, |
| {0x1200, 0x1240}, |
| {0x1300, 0x1340}, |
| {0x1400, 0x1440}, |
| {0x1500, 0x1540}, |
| {0x1600, 0x1640}, |
| {0x1800, 0x1848}, |
| {0x1900, 0x1948}, |
| {0x1a00, 0x1a48}, |
| {0x1b00, 0x1b48}, |
| {0x1c00, 0x1c48}, |
| {0x1d00, 0x1d48}, |
| {0x1e00, 0x1e48}, |
| {0x1f60, 0x1ffc}, |
| {0x2000, 0x212c}, |
| {0x2200, 0x222c}, |
| {0x2300, 0x232c}, |
| {0x2400, 0x242c}, |
| {0x2500, 0x252c}, |
| {0x2600, 0x262c}, |
| {0x3000, 0x3014}, |
| {0x30c0, 0x30f8}, |
| {0x3100, 0x3114}, |
| {0x3200, 0x3214}, |
| {0x3300, 0x3314}, |
| {0x3400, 0x3414}, |
| {0x3500, 0x3514}, |
| {0x3600, 0x3614}, |
| {0x4000, 0x40d4}, |
| {0x4100, 0x41d4}, |
| {0x4200, 0x42d4}, |
| {0x4300, 0x43d4}, |
| {0x4400, 0x44d4}, |
| {0x4500, 0x45d4}, |
| {0x4600, 0x46d4}, |
| {0x4f00, 0x461c}, |
| {0x7000, 0x7038}, |
| {0x7120, 0x7124}, |
| {0x7800, 0x7804}, |
| {0x7810, 0x7810}, |
| {0x7830, 0x7830}, |
| {0x7a00, 0x7a7c}, |
| {0x7b00, 0x7b04}, |
| {0x7e00, 0x7e04}, |
| {0x7ffc, 0x7ffc}, |
| }; |
| |
| if (!mt7530_exist(eth)) |
| return -EOPNOTSUPP; |
| |
| if ((!eth->mac[0] || !of_phy_is_fixed_link(eth->mac[0]->of_node)) && |
| (!eth->mac[1] || !of_phy_is_fixed_link(eth->mac[1]->of_node))) { |
| seq_puts(m, "no switch found\n"); |
| return 0; |
| } |
| |
| for (i = 0 ; i < ARRAY_SIZE(ranges) ; i++) { |
| for (offset = ranges[i].start; |
| offset <= ranges[i].end; offset += 4) { |
| data = mt7530_mdio_r32(eth, offset); |
| seq_printf(m, "mt7530 switch reg=0x%08x, data=0x%08x\n", |
| offset, data); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int mtketh_debug_mt7530sw_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, mtketh_mt7530sw_debug_show, inode->i_private); |
| } |
| |
| static const struct file_operations mtketh_debug_mt7530sw_fops = { |
| .open = mtketh_debug_mt7530sw_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release, |
| }; |
| |
| static ssize_t mtketh_mt7530sw_debugfs_write(struct file *file, |
| const char __user *ptr, |
| size_t len, loff_t *off) |
| { |
| struct mtk_eth *eth = file->private_data; |
| char buf[32], *token, *p = buf; |
| u32 reg, value, phy; |
| int ret; |
| |
| if (!mt7530_exist(eth)) |
| return -EOPNOTSUPP; |
| |
| if (*off != 0) |
| return 0; |
| |
| if (len > sizeof(buf) - 1) |
| len = sizeof(buf) - 1; |
| |
| ret = strncpy_from_user(buf, ptr, len); |
| if (ret < 0) |
| return ret; |
| buf[len] = '\0'; |
| |
| token = strsep(&p, " "); |
| if (!token) |
| return -EINVAL; |
| if (kstrtoul(token, 16, (unsigned long *)&phy)) |
| return -EINVAL; |
| |
| token = strsep(&p, " "); |
| if (!token) |
| return -EINVAL; |
| if (kstrtoul(token, 16, (unsigned long *)®)) |
| return -EINVAL; |
| |
| token = strsep(&p, " "); |
| if (!token) |
| return -EINVAL; |
| if (kstrtoul(token, 16, (unsigned long *)&value)) |
| return -EINVAL; |
| |
| pr_info("%s:phy=%d, reg=0x%x, val=0x%x\n", __func__, |
| 0x1f, reg, value); |
| mt7530_mdio_w32(eth, reg, value); |
| pr_info("%s:phy=%d, reg=0x%x, val=0x%x confirm..\n", __func__, |
| 0x1f, reg, mt7530_mdio_r32(eth, reg)); |
| |
| return len; |
| } |
| |
| static ssize_t mtketh_debugfs_write(struct file *file, const char __user *ptr, |
| size_t len, loff_t *off) |
| { |
| struct mtk_eth *eth = file->private_data; |
| char buf[32], *token, *p = buf; |
| u32 reg, value, phy; |
| int ret; |
| |
| if (*off != 0) |
| return 0; |
| |
| if (len > sizeof(buf) - 1) |
| len = sizeof(buf) - 1; |
| |
| ret = strncpy_from_user(buf, ptr, len); |
| if (ret < 0) |
| return ret; |
| buf[len] = '\0'; |
| |
| token = strsep(&p, " "); |
| if (!token) |
| return -EINVAL; |
| if (kstrtoul(token, 16, (unsigned long *)&phy)) |
| return -EINVAL; |
| |
| token = strsep(&p, " "); |
| |
| if (!token) |
| return -EINVAL; |
| if (kstrtoul(token, 16, (unsigned long *)®)) |
| return -EINVAL; |
| |
| token = strsep(&p, " "); |
| |
| if (!token) |
| return -EINVAL; |
| if (kstrtoul(token, 16, (unsigned long *)&value)) |
| return -EINVAL; |
| |
| pr_info("%s:phy=%d, reg=0x%x, val=0x%x\n", __func__, |
| phy, reg, value); |
| |
| _mtk_mdio_write(eth, phy, reg, value); |
| |
| pr_info("%s:phy=%d, reg=0x%x, val=0x%x confirm..\n", __func__, |
| phy, reg, _mtk_mdio_read(eth, phy, reg)); |
| |
| return len; |
| } |
| |
| static ssize_t mtketh_debugfs_reset(struct file *file, const char __user *ptr, |
| size_t len, loff_t *off) |
| { |
| struct mtk_eth *eth = file->private_data; |
| |
| schedule_work(ð->pending_work); |
| return len; |
| } |
| |
| static const struct file_operations fops_reg_w = { |
| .owner = THIS_MODULE, |
| .open = simple_open, |
| .write = mtketh_debugfs_write, |
| .llseek = noop_llseek, |
| }; |
| |
| static const struct file_operations fops_eth_reset = { |
| .owner = THIS_MODULE, |
| .open = simple_open, |
| .write = mtketh_debugfs_reset, |
| .llseek = noop_llseek, |
| }; |
| |
| static const struct file_operations fops_mt7530sw_reg_w = { |
| .owner = THIS_MODULE, |
| .open = simple_open, |
| .write = mtketh_mt7530sw_debugfs_write, |
| .llseek = noop_llseek, |
| }; |
| |
| void mtketh_debugfs_exit(struct mtk_eth *eth) |
| { |
| debugfs_remove_recursive(eth_debug.root); |
| } |
| |
| int mtketh_debugfs_init(struct mtk_eth *eth) |
| { |
| int ret = 0; |
| |
| eth_debug.root = debugfs_create_dir("mtketh", NULL); |
| if (!eth_debug.root) { |
| dev_notice(eth->dev, "%s:err at %d\n", __func__, __LINE__); |
| ret = -ENOMEM; |
| } |
| |
| debugfs_create_file("phy_regs", S_IRUGO, |
| eth_debug.root, eth, &mtketh_debug_fops); |
| debugfs_create_file("phy_reg_w", S_IFREG | S_IWUSR, |
| eth_debug.root, eth, &fops_reg_w); |
| debugfs_create_file("reset", S_IFREG | S_IWUSR, |
| eth_debug.root, eth, &fops_eth_reset); |
| if (mt7530_exist(eth)) { |
| debugfs_create_file("mt7530sw_regs", S_IRUGO, |
| eth_debug.root, eth, |
| &mtketh_debug_mt7530sw_fops); |
| debugfs_create_file("mt7530sw_reg_w", S_IFREG | S_IWUSR, |
| eth_debug.root, eth, |
| &fops_mt7530sw_reg_w); |
| } |
| return ret; |
| } |
| |
| void mii_mgr_read_combine(struct mtk_eth *eth, u32 phy_addr, u32 phy_register, |
| u32 *read_data) |
| { |
| if (mt7530_exist(eth) && phy_addr == 31) |
| *read_data = mt7530_mdio_r32(eth, phy_register); |
| |
| else |
| *read_data = _mtk_mdio_read(eth, phy_addr, phy_register); |
| } |
| |
| void mii_mgr_write_combine(struct mtk_eth *eth, u16 phy_addr, u16 phy_register, |
| u32 write_data) |
| { |
| if (mt7530_exist(eth) && phy_addr == 31) |
| mt7530_mdio_w32(eth, phy_register, write_data); |
| |
| else |
| _mtk_mdio_write(eth, phy_addr, phy_register, write_data); |
| } |
| |
| static void mii_mgr_read_cl45(struct mtk_eth *eth, u16 port, u16 devad, u16 reg, u16 *data) |
| { |
| mtk_cl45_ind_read(eth, port, devad, reg, data); |
| } |
| |
| static void mii_mgr_write_cl45(struct mtk_eth *eth, u16 port, u16 devad, u16 reg, u16 data) |
| { |
| mtk_cl45_ind_write(eth, port, devad, reg, data); |
| } |
| |
| int mtk_do_priv_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| { |
| struct mtk_mac *mac = netdev_priv(dev); |
| struct mtk_eth *eth = mac->hw; |
| struct mtk_mii_ioctl_data mii; |
| struct mtk_esw_reg reg; |
| |
| switch (cmd) { |
| case MTKETH_MII_READ: |
| if (copy_from_user(&mii, ifr->ifr_data, sizeof(mii))) |
| goto err_copy; |
| mii_mgr_read_combine(eth, mii.phy_id, mii.reg_num, |
| &mii.val_out); |
| if (copy_to_user(ifr->ifr_data, &mii, sizeof(mii))) |
| goto err_copy; |
| |
| return 0; |
| case MTKETH_MII_WRITE: |
| if (copy_from_user(&mii, ifr->ifr_data, sizeof(mii))) |
| goto err_copy; |
| mii_mgr_write_combine(eth, mii.phy_id, mii.reg_num, |
| mii.val_in); |
| return 0; |
| case MTKETH_MII_READ_CL45: |
| if (copy_from_user(&mii, ifr->ifr_data, sizeof(mii))) |
| goto err_copy; |
| mii_mgr_read_cl45(eth, |
| mdio_phy_id_prtad(mii.phy_id), |
| mdio_phy_id_devad(mii.phy_id), |
| mii.reg_num, |
| &mii.val_out); |
| if (copy_to_user(ifr->ifr_data, &mii, sizeof(mii))) |
| goto err_copy; |
| |
| return 0; |
| case MTKETH_MII_WRITE_CL45: |
| if (copy_from_user(&mii, ifr->ifr_data, sizeof(mii))) |
| goto err_copy; |
| mii_mgr_write_cl45(eth, |
| mdio_phy_id_prtad(mii.phy_id), |
| mdio_phy_id_devad(mii.phy_id), |
| mii.reg_num, |
| mii.val_in); |
| return 0; |
| case MTKETH_ESW_REG_READ: |
| if (!mt7530_exist(eth)) |
| return -EOPNOTSUPP; |
| if (copy_from_user(®, ifr->ifr_data, sizeof(reg))) |
| goto err_copy; |
| if (reg.off > REG_ESW_MAX) |
| return -EINVAL; |
| reg.val = mtk_switch_r32(eth, reg.off); |
| |
| if (copy_to_user(ifr->ifr_data, ®, sizeof(reg))) |
| goto err_copy; |
| |
| return 0; |
| case MTKETH_ESW_REG_WRITE: |
| if (!mt7530_exist(eth)) |
| return -EOPNOTSUPP; |
| if (copy_from_user(®, ifr->ifr_data, sizeof(reg))) |
| goto err_copy; |
| if (reg.off > REG_ESW_MAX) |
| return -EINVAL; |
| mtk_switch_w32(eth, reg.val, reg.off); |
| |
| return 0; |
| default: |
| break; |
| } |
| |
| return -EOPNOTSUPP; |
| err_copy: |
| return -EFAULT; |
| } |
| |
| int esw_cnt_read(struct seq_file *seq, void *v) |
| { |
| unsigned int pkt_cnt = 0; |
| int i = 0; |
| struct mtk_eth *eth = g_eth; |
| unsigned int mib_base = MTK_GDM1_TX_GBCNT; |
| |
| seq_puts(seq, "\n <<CPU>>\n"); |
| seq_puts(seq, " |\n"); |
| seq_puts(seq, "+-----------------------------------------------+\n"); |
| seq_puts(seq, "| <<PSE>> |\n"); |
| seq_puts(seq, "+-----------------------------------------------+\n"); |
| seq_puts(seq, " |\n"); |
| seq_puts(seq, "+-----------------------------------------------+\n"); |
| seq_puts(seq, "| <<GDMA>> |\n"); |
| seq_printf(seq, "| GDMA1_RX_GBCNT : %010u (Rx Good Bytes) |\n", |
| mtk_r32(eth, mib_base)); |
| seq_printf(seq, "| GDMA1_RX_GPCNT : %010u (Rx Good Pkts) |\n", |
| mtk_r32(eth, mib_base+0x08)); |
| seq_printf(seq, "| GDMA1_RX_OERCNT : %010u (overflow error) |\n", |
| mtk_r32(eth, mib_base+0x10)); |
| seq_printf(seq, "| GDMA1_RX_FERCNT : %010u (FCS error) |\n", |
| mtk_r32(eth, mib_base+0x14)); |
| seq_printf(seq, "| GDMA1_RX_SERCNT : %010u (too short) |\n", |
| mtk_r32(eth, mib_base+0x18)); |
| seq_printf(seq, "| GDMA1_RX_LERCNT : %010u (too long) |\n", |
| mtk_r32(eth, mib_base+0x1C)); |
| seq_printf(seq, "| GDMA1_RX_CERCNT : %010u (checksum error) |\n", |
| mtk_r32(eth, mib_base+0x20)); |
| seq_printf(seq, "| GDMA1_RX_FCCNT : %010u (flow control) |\n", |
| mtk_r32(eth, mib_base+0x24)); |
| seq_printf(seq, "| GDMA1_TX_SKIPCNT: %010u (about count) |\n", |
| mtk_r32(eth, mib_base+0x28)); |
| seq_printf(seq, "| GDMA1_TX_COLCNT : %010u (collision count) |\n", |
| mtk_r32(eth, mib_base+0x2C)); |
| seq_printf(seq, "| GDMA1_TX_GBCNT : %010u (Tx Good Bytes) |\n", |
| mtk_r32(eth, mib_base+0x30)); |
| seq_printf(seq, "| GDMA1_TX_GPCNT : %010u (Tx Good Pkts) |\n", |
| mtk_r32(eth, mib_base+0x38)); |
| seq_puts(seq, "| |\n"); |
| seq_printf(seq, "| GDMA2_RX_GBCNT : %010u (Rx Good Bytes) |\n", |
| mtk_r32(eth, mib_base+0x40)); |
| seq_printf(seq, "| GDMA2_RX_GPCNT : %010u (Rx Good Pkts) |\n", |
| mtk_r32(eth, mib_base+0x48)); |
| seq_printf(seq, "| GDMA2_RX_OERCNT : %010u (overflow error) |\n", |
| mtk_r32(eth, mib_base+0x50)); |
| seq_printf(seq, "| GDMA2_RX_FERCNT : %010u (FCS error) |\n", |
| mtk_r32(eth, mib_base+0x54)); |
| seq_printf(seq, "| GDMA2_RX_SERCNT : %010u (too short) |\n", |
| mtk_r32(eth, mib_base+0x58)); |
| seq_printf(seq, "| GDMA2_RX_LERCNT : %010u (too long) |\n", |
| mtk_r32(eth, mib_base+0x5C)); |
| seq_printf(seq, "| GDMA2_RX_CERCNT : %010u (checksum error) |\n", |
| mtk_r32(eth, mib_base+0x60)); |
| seq_printf(seq, "| GDMA2_RX_FCCNT : %010u (flow control) |\n", |
| mtk_r32(eth, mib_base+0x64)); |
| seq_printf(seq, "| GDMA2_TX_SKIPCNT: %010u (skip) |\n", |
| mtk_r32(eth, mib_base+0x68)); |
| seq_printf(seq, "| GDMA2_TX_COLCNT : %010u (collision) |\n", |
| mtk_r32(eth, mib_base+0x6C)); |
| seq_printf(seq, "| GDMA2_TX_GBCNT : %010u (Tx Good Bytes) |\n", |
| mtk_r32(eth, mib_base+0x70)); |
| seq_printf(seq, "| GDMA2_TX_GPCNT : %010u (Tx Good Pkts) |\n", |
| mtk_r32(eth, mib_base+0x78)); |
| seq_puts(seq, "+-----------------------------------------------+\n"); |
| |
| if (!mt7530_exist(eth)) |
| return 0; |
| |
| #define DUMP_EACH_PORT(base) \ |
| do { \ |
| for (i = 0; i < 7; i++) { \ |
| pkt_cnt = mt7530_mdio_r32(eth, (base) + (i * 0x100));\ |
| seq_printf(seq, "%8u ", pkt_cnt); \ |
| } \ |
| seq_puts(seq, "\n"); \ |
| } while (0) |
| |
| seq_printf(seq, "===================== %8s %8s %8s %8s %8s %8s %8s\n", |
| "Port0", "Port1", "Port2", "Port3", "Port4", "Port5", |
| "Port6"); |
| seq_puts(seq, "Tx Drop Packet :"); |
| DUMP_EACH_PORT(0x4000); |
| seq_puts(seq, "Tx CRC Error :"); |
| DUMP_EACH_PORT(0x4004); |
| seq_puts(seq, "Tx Unicast Packet :"); |
| DUMP_EACH_PORT(0x4008); |
| seq_puts(seq, "Tx Multicast Packet :"); |
| DUMP_EACH_PORT(0x400C); |
| seq_puts(seq, "Tx Broadcast Packet :"); |
| DUMP_EACH_PORT(0x4010); |
| seq_puts(seq, "Tx Collision Event :"); |
| DUMP_EACH_PORT(0x4014); |
| seq_puts(seq, "Tx Pause Packet :"); |
| DUMP_EACH_PORT(0x402C); |
| seq_puts(seq, "Rx Drop Packet :"); |
| DUMP_EACH_PORT(0x4060); |
| seq_puts(seq, "Rx Filtering Packet :"); |
| DUMP_EACH_PORT(0x4064); |
| seq_puts(seq, "Rx Unicast Packet :"); |
| DUMP_EACH_PORT(0x4068); |
| seq_puts(seq, "Rx Multicast Packet :"); |
| DUMP_EACH_PORT(0x406C); |
| seq_puts(seq, "Rx Broadcast Packet :"); |
| DUMP_EACH_PORT(0x4070); |
| seq_puts(seq, "Rx Alignment Error :"); |
| DUMP_EACH_PORT(0x4074); |
| seq_puts(seq, "Rx CRC Error :"); |
| DUMP_EACH_PORT(0x4078); |
| seq_puts(seq, "Rx Undersize Error :"); |
| DUMP_EACH_PORT(0x407C); |
| seq_puts(seq, "Rx Fragment Error :"); |
| DUMP_EACH_PORT(0x4080); |
| seq_puts(seq, "Rx Oversize Error :"); |
| DUMP_EACH_PORT(0x4084); |
| seq_puts(seq, "Rx Jabber Error :"); |
| DUMP_EACH_PORT(0x4088); |
| seq_puts(seq, "Rx Pause Packet :"); |
| DUMP_EACH_PORT(0x408C); |
| mt7530_mdio_w32(eth, 0x4fe0, 0xf0); |
| mt7530_mdio_w32(eth, 0x4fe0, 0x800000f0); |
| |
| seq_puts(seq, "\n"); |
| |
| return 0; |
| } |
| |
| static int switch_count_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, esw_cnt_read, 0); |
| } |
| |
| static const struct file_operations switch_count_fops = { |
| .owner = THIS_MODULE, |
| .open = switch_count_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release |
| }; |
| |
| static struct proc_dir_entry *proc_tx_ring, *proc_rx_ring; |
| |
| int tx_ring_read(struct seq_file *seq, void *v) |
| { |
| struct mtk_tx_ring *ring = &g_eth->tx_ring; |
| struct mtk_tx_dma *tx_ring; |
| int i = 0; |
| |
| tx_ring = |
| kmalloc(sizeof(struct mtk_tx_dma) * MTK_DMA_SIZE, GFP_KERNEL); |
| if (!tx_ring) { |
| seq_puts(seq, " allocate temp tx_ring fail.\n"); |
| return 0; |
| } |
| |
| for (i = 0; i < MTK_DMA_SIZE; i++) |
| tx_ring[i] = ring->dma[i]; |
| |
| seq_printf(seq, "free count = %d\n", (int)atomic_read(&ring->free_count)); |
| seq_printf(seq, "cpu next free: %d\n", (int)(ring->next_free - ring->dma)); |
| seq_printf(seq, "cpu last free: %d\n", (int)(ring->last_free - ring->dma)); |
| for (i = 0; i < MTK_DMA_SIZE; i++) { |
| dma_addr_t tmp = ring->phys + i * sizeof(*tx_ring); |
| |
| seq_printf(seq, "%d (%pad): %08x %08x %08x %08x", i, &tmp, |
| *(int *)&tx_ring[i].txd1, *(int *)&tx_ring[i].txd2, |
| *(int *)&tx_ring[i].txd3, *(int *)&tx_ring[i].txd4); |
| #if defined(CONFIG_MEDIATEK_NETSYS_V2) |
| seq_printf(seq, " %08x %08x %08x %08x", |
| *(int *)&tx_ring[i].txd5, *(int *)&tx_ring[i].txd6, |
| *(int *)&tx_ring[i].txd7, *(int *)&tx_ring[i].txd8); |
| #endif |
| seq_printf(seq, "\n"); |
| } |
| |
| kfree(tx_ring); |
| return 0; |
| } |
| |
| static int tx_ring_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, tx_ring_read, NULL); |
| } |
| |
| static const struct file_operations tx_ring_fops = { |
| .owner = THIS_MODULE, |
| .open = tx_ring_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release |
| }; |
| |
| int rx_ring_read(struct seq_file *seq, void *v) |
| { |
| struct mtk_rx_ring *ring = &g_eth->rx_ring[0]; |
| struct mtk_rx_dma *rx_ring; |
| |
| int i = 0; |
| |
| rx_ring = |
| kmalloc(sizeof(struct mtk_rx_dma) * MTK_DMA_SIZE, GFP_KERNEL); |
| if (!rx_ring) { |
| seq_puts(seq, " allocate temp rx_ring fail.\n"); |
| return 0; |
| } |
| |
| for (i = 0; i < MTK_DMA_SIZE; i++) |
| rx_ring[i] = ring->dma[i]; |
| |
| seq_printf(seq, "next to read: %d\n", |
| NEXT_DESP_IDX(ring->calc_idx, MTK_DMA_SIZE)); |
| for (i = 0; i < MTK_DMA_SIZE; i++) { |
| seq_printf(seq, "%d: %08x %08x %08x %08x", i, |
| *(int *)&rx_ring[i].rxd1, *(int *)&rx_ring[i].rxd2, |
| *(int *)&rx_ring[i].rxd3, *(int *)&rx_ring[i].rxd4); |
| #ifdef CONFIG_MEDIATEK_NETSYS_RX_V2 |
| seq_printf(seq, " %08x %08x %08x %08x", |
| *(int *)&rx_ring[i].rxd5, *(int *)&rx_ring[i].rxd6, |
| *(int *)&rx_ring[i].rxd7, *(int *)&rx_ring[i].rxd8); |
| #endif |
| seq_printf(seq, "\n"); |
| } |
| |
| kfree(rx_ring); |
| return 0; |
| } |
| |
| static int rx_ring_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, rx_ring_read, NULL); |
| } |
| |
| static const struct file_operations rx_ring_fops = { |
| .owner = THIS_MODULE, |
| .open = rx_ring_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release |
| }; |
| |
| int dbg_regs_read(struct seq_file *seq, void *v) |
| { |
| struct mtk_eth *eth = g_eth; |
| |
| seq_puts(seq, " <<PSE DEBUG REG DUMP>>\n"); |
| seq_printf(seq, "| PSE_FQFC_CFG : %08x |\n", |
| mtk_r32(eth, MTK_PSE_FQFC_CFG)); |
| seq_printf(seq, "| PSE_IQ_STA1 : %08x |\n", |
| mtk_r32(eth, MTK_PSE_IQ_STA(0))); |
| seq_printf(seq, "| PSE_IQ_STA2 : %08x |\n", |
| mtk_r32(eth, MTK_PSE_IQ_STA(1))); |
| |
| if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_TX_V2)) { |
| seq_printf(seq, "| PSE_IQ_STA3 : %08x |\n", |
| mtk_r32(eth, MTK_PSE_IQ_STA(2))); |
| seq_printf(seq, "| PSE_IQ_STA4 : %08x |\n", |
| mtk_r32(eth, MTK_PSE_IQ_STA(3))); |
| } |
| |
| seq_printf(seq, "| PSE_OQ_STA1 : %08x |\n", |
| mtk_r32(eth, MTK_PSE_OQ_STA(0))); |
| seq_printf(seq, "| PSE_OQ_STA2 : %08x |\n", |
| mtk_r32(eth, MTK_PSE_OQ_STA(1))); |
| |
| if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_TX_V2)) { |
| seq_printf(seq, "| PSE_OQ_STA3 : %08x |\n", |
| mtk_r32(eth, MTK_PSE_OQ_STA(2))); |
| seq_printf(seq, "| PSE_OQ_STA4 : %08x |\n", |
| mtk_r32(eth, MTK_PSE_OQ_STA(3))); |
| } |
| |
| seq_printf(seq, "| QDMA_FQ_CNT : %08x |\n", |
| mtk_r32(eth, MTK_QDMA_FQ_CNT)); |
| seq_printf(seq, "| FE_PSE_FREE : %08x |\n", |
| mtk_r32(eth, MTK_FE_PSE_FREE)); |
| seq_printf(seq, "| FE_DROP_FQ : %08x |\n", |
| mtk_r32(eth, MTK_FE_DROP_FQ)); |
| seq_printf(seq, "| FE_DROP_FC : %08x |\n", |
| mtk_r32(eth, MTK_FE_DROP_FC)); |
| seq_printf(seq, "| FE_DROP_PPE : %08x |\n", |
| mtk_r32(eth, MTK_FE_DROP_PPE)); |
| seq_printf(seq, "| GDM1_IG_CTRL : %08x |\n", |
| mtk_r32(eth, MTK_GDMA_FWD_CFG(0))); |
| seq_printf(seq, "| GDM2_IG_CTRL : %08x |\n", |
| mtk_r32(eth, MTK_GDMA_FWD_CFG(1))); |
| seq_printf(seq, "| MAC_P1_MCR : %08x |\n", |
| mtk_r32(eth, MTK_MAC_MCR(0))); |
| seq_printf(seq, "| MAC_P2_MCR : %08x |\n", |
| mtk_r32(eth, MTK_MAC_MCR(1))); |
| |
| if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_TX_V2)) { |
| seq_printf(seq, "| FE_CDM1_FSM : %08x |\n", |
| mtk_r32(eth, MTK_FE_CDM1_FSM)); |
| seq_printf(seq, "| FE_CDM2_FSM : %08x |\n", |
| mtk_r32(eth, MTK_FE_CDM2_FSM)); |
| seq_printf(seq, "| FE_GDM1_FSM : %08x |\n", |
| mtk_r32(eth, MTK_FE_GDM1_FSM)); |
| seq_printf(seq, "| FE_GDM2_FSM : %08x |\n", |
| mtk_r32(eth, MTK_FE_GDM2_FSM)); |
| } |
| |
| return 0; |
| } |
| |
| static int dbg_regs_open(struct inode *inode, struct file *file) |
| { |
| return single_open(file, dbg_regs_read, 0); |
| } |
| |
| static const struct file_operations dbg_regs_fops = { |
| .owner = THIS_MODULE, |
| .open = dbg_regs_open, |
| .read = seq_read, |
| .llseek = seq_lseek, |
| .release = single_release |
| }; |
| |
| #define PROCREG_ESW_CNT "esw_cnt" |
| #define PROCREG_TXRING "tx_ring" |
| #define PROCREG_RXRING "rx_ring" |
| #define PROCREG_DIR "mtketh" |
| #define PROCREG_DBG_REGS "dbg_regs" |
| |
| struct proc_dir_entry *proc_reg_dir; |
| static struct proc_dir_entry *proc_esw_cnt, *proc_dbg_regs; |
| |
| int debug_proc_init(struct mtk_eth *eth) |
| { |
| g_eth = eth; |
| |
| if (!proc_reg_dir) |
| proc_reg_dir = proc_mkdir(PROCREG_DIR, NULL); |
| |
| proc_tx_ring = |
| proc_create(PROCREG_TXRING, 0, proc_reg_dir, &tx_ring_fops); |
| if (!proc_tx_ring) |
| pr_notice("!! FAIL to create %s PROC !!\n", PROCREG_TXRING); |
| |
| proc_rx_ring = |
| proc_create(PROCREG_RXRING, 0, proc_reg_dir, &rx_ring_fops); |
| if (!proc_rx_ring) |
| pr_notice("!! FAIL to create %s PROC !!\n", PROCREG_RXRING); |
| |
| proc_esw_cnt = |
| proc_create(PROCREG_ESW_CNT, 0, proc_reg_dir, &switch_count_fops); |
| if (!proc_esw_cnt) |
| pr_notice("!! FAIL to create %s PROC !!\n", PROCREG_ESW_CNT); |
| |
| proc_dbg_regs = |
| proc_create(PROCREG_DBG_REGS, 0, proc_reg_dir, &dbg_regs_fops); |
| if (!proc_dbg_regs) |
| pr_notice("!! FAIL to create %s PROC !!\n", PROCREG_DBG_REGS); |
| |
| return 0; |
| } |
| |
| void debug_proc_exit(void) |
| { |
| if (proc_tx_ring) |
| remove_proc_entry(PROCREG_TXRING, proc_reg_dir); |
| if (proc_rx_ring) |
| remove_proc_entry(PROCREG_RXRING, proc_reg_dir); |
| |
| if (proc_esw_cnt) |
| remove_proc_entry(PROCREG_ESW_CNT, proc_reg_dir); |
| |
| if (proc_reg_dir) |
| remove_proc_entry(PROCREG_DIR, 0); |
| |
| if (proc_dbg_regs) |
| remove_proc_entry(PROCREG_DBG_REGS, proc_reg_dir); |
| } |
| |