diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_mii.c | 8 | ||||
| -rw-r--r-- | common/miiphyutil.c | 282 |
2 files changed, 162 insertions, 128 deletions
diff --git a/common/cmd_mii.c b/common/cmd_mii.c index 72e11d5..3b4dc8a 100644 --- a/common/cmd_mii.c +++ b/common/cmd_mii.c @@ -112,9 +112,11 @@ int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) "OUI = 0x%04X, " "Model = 0x%02X, " "Rev = 0x%02X, " - "%3dbaseT, %s\n", + "%3dbase%s, %s\n", j, oui, model, rev, miiphy_speed (devname, j), + miiphy_is_1000base_x (devname, j) + ? "X" : "T", (miiphy_duplex (devname, j) == FULL) ? "FDX" : "HDX"); } @@ -496,9 +498,11 @@ int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) "OUI = 0x%04X, " "Model = 0x%02X, " "Rev = 0x%02X, " - "%3dbaseT, %s\n", + "%3dbase%s, %s\n", j, oui, model, rev, miiphy_speed (devname, j), + miiphy_is_1000base_x (devname, j) + ? "X" : "T", (miiphy_duplex (devname, j) == FULL) ? "FDX" : "HDX"); } diff --git a/common/miiphyutil.c b/common/miiphyutil.c index c69501f..281f0b2 100644 --- a/common/miiphyutil.c +++ b/common/miiphyutil.c @@ -49,10 +49,10 @@ struct mii_dev { struct list_head link; char *name; - int (* read)(char *devname, unsigned char addr, - unsigned char reg, unsigned short *value); - int (* write)(char *devname, unsigned char addr, - unsigned char reg, unsigned short value); + int (*read) (char *devname, unsigned char addr, + unsigned char reg, unsigned short *value); + int (*write) (char *devname, unsigned char addr, + unsigned char reg, unsigned short value); }; static struct list_head mii_devs; @@ -62,21 +62,21 @@ static struct mii_dev *current_mii; * * Initialize global data. Need to be called before any other miiphy routine. */ -void miiphy_init() +void miiphy_init () { - INIT_LIST_HEAD(&mii_devs); - current_mii = NULL; + INIT_LIST_HEAD (&mii_devs); + current_mii = NULL; } /***************************************************************************** * * Register read and write MII access routines for the device <name>. */ -void miiphy_register(char *name, - int (* read)(char *devname, unsigned char addr, - unsigned char reg, unsigned short *value), - int (* write)(char *devname, unsigned char addr, - unsigned char reg, unsigned short value)) +void miiphy_register (char *name, + int (*read) (char *devname, unsigned char addr, + unsigned char reg, unsigned short *value), + int (*write) (char *devname, unsigned char addr, + unsigned char reg, unsigned short value)) { struct list_head *entry; struct mii_dev *new_dev; @@ -84,63 +84,64 @@ void miiphy_register(char *name, unsigned int name_len; /* check if we have unique name */ - list_for_each(entry, &mii_devs) { - miidev = list_entry(entry, struct mii_dev, link); - if (strcmp(miidev->name, name) == 0) { - printf("miiphy_register: non unique device name '%s'\n", - name); + list_for_each (entry, &mii_devs) { + miidev = list_entry (entry, struct mii_dev, link); + if (strcmp (miidev->name, name) == 0) { + printf ("miiphy_register: non unique device name " + "'%s'\n", name); return; } } /* allocate memory */ - name_len = strlen(name); - new_dev = (struct mii_dev *)malloc(sizeof(struct mii_dev) + name_len + 1); + name_len = strlen (name); + new_dev = + (struct mii_dev *)malloc (sizeof (struct mii_dev) + name_len + 1); - if(new_dev == NULL) { - printf("miiphy_register: cannot allocate memory for '%s'\n", - name); + if (new_dev == NULL) { + printf ("miiphy_register: cannot allocate memory for '%s'\n", + name); return; } - memset(new_dev, 0, sizeof(struct mii_dev) + name_len); + memset (new_dev, 0, sizeof (struct mii_dev) + name_len); /* initalize mii_dev struct fields */ - INIT_LIST_HEAD(&new_dev->link); + INIT_LIST_HEAD (&new_dev->link); new_dev->read = read; new_dev->write = write; new_dev->name = (char *)(new_dev + 1); - strncpy(new_dev->name, name, name_len); + strncpy (new_dev->name, name, name_len); new_dev->name[name_len] = '\0'; - debug("miiphy_register: added '%s', read=0x%08lx, write=0x%08lx\n", - new_dev->name, new_dev->read, new_dev->write); + debug ("miiphy_register: added '%s', read=0x%08lx, write=0x%08lx\n", + new_dev->name, new_dev->read, new_dev->write); /* add it to the list */ - list_add_tail(&new_dev->link, &mii_devs); + list_add_tail (&new_dev->link, &mii_devs); if (!current_mii) current_mii = new_dev; } -int miiphy_set_current_dev(char *devname) +int miiphy_set_current_dev (char *devname) { struct list_head *entry; struct mii_dev *dev; - list_for_each(entry, &mii_devs) { - dev = list_entry(entry, struct mii_dev, link); + list_for_each (entry, &mii_devs) { + dev = list_entry (entry, struct mii_dev, link); - if (strcmp(devname, dev->name) == 0) { + if (strcmp (devname, dev->name) == 0) { current_mii = dev; return 0; } } - printf("No such device: %s\n", devname); + printf ("No such device: %s\n", devname); return 1; } -char *miiphy_get_current_dev() +char *miiphy_get_current_dev () { if (current_mii) return current_mii->name; @@ -156,8 +157,8 @@ char *miiphy_get_current_dev() * Returns: * 0 on success */ -int miiphy_read(char *devname, unsigned char addr, unsigned char reg, - unsigned short *value) +int miiphy_read (char *devname, unsigned char addr, unsigned char reg, + unsigned short *value) { struct list_head *entry; struct mii_dev *dev; @@ -165,22 +166,22 @@ int miiphy_read(char *devname, unsigned char addr, unsigned char reg, int read_ret = 0; if (!devname) { - printf("NULL device name!\n"); + printf ("NULL device name!\n"); return 1; } - list_for_each(entry, &mii_devs) { - dev = list_entry(entry, struct mii_dev, link); + list_for_each (entry, &mii_devs) { + dev = list_entry (entry, struct mii_dev, link); - if (strcmp(devname, dev->name) == 0) { + if (strcmp (devname, dev->name) == 0) { found_dev = 1; - read_ret = dev->read(devname, addr, reg, value); + read_ret = dev->read (devname, addr, reg, value); break; } } if (found_dev == 0) - printf("No such device: %s\n", devname); + printf ("No such device: %s\n", devname); return ((found_dev) ? read_ret : 1); } @@ -193,8 +194,8 @@ int miiphy_read(char *devname, unsigned char addr, unsigned char reg, * Returns: * 0 on success */ -int miiphy_write(char *devname, unsigned char addr, unsigned char reg, - unsigned short value) +int miiphy_write (char *devname, unsigned char addr, unsigned char reg, + unsigned short value) { struct list_head *entry; struct mii_dev *dev; @@ -202,22 +203,22 @@ int miiphy_write(char *devname, unsigned char addr, unsigned char reg, int write_ret = 0; if (!devname) { - printf("NULL device name!\n"); + printf ("NULL device name!\n"); return 1; } - list_for_each(entry, &mii_devs) { - dev = list_entry(entry, struct mii_dev, link); + list_for_each (entry, &mii_devs) { + dev = list_entry (entry, struct mii_dev, link); - if (strcmp(devname, dev->name) == 0) { + if (strcmp (devname, dev->name) == 0) { found_dev = 1; - write_ret = dev->write(devname, addr, reg, value); + write_ret = dev->write (devname, addr, reg, value); break; } } if (found_dev == 0) - printf("No such device: %s\n", devname); + printf ("No such device: %s\n", devname); return ((found_dev) ? write_ret : 1); } @@ -226,23 +227,22 @@ int miiphy_write(char *devname, unsigned char addr, unsigned char reg, * * Print out list of registered MII capable devices. */ -void miiphy_listdev(void) +void miiphy_listdev (void) { struct list_head *entry; struct mii_dev *dev; - puts("MII devices: "); - list_for_each(entry, &mii_devs) { - dev = list_entry(entry, struct mii_dev, link); - printf("'%s' ", dev->name); + puts ("MII devices: "); + list_for_each (entry, &mii_devs) { + dev = list_entry (entry, struct mii_dev, link); + printf ("'%s' ", dev->name); } - puts("\n"); + puts ("\n"); if (current_mii) - printf("Current device: '%s'\n", current_mii->name); + printf ("Current device: '%s'\n", current_mii->name); } - /***************************************************************************** * * Read the OUI, manufacture's model number, and revision number. @@ -254,9 +254,7 @@ void miiphy_listdev(void) * Returns: * 0 on success */ -int miiphy_info (char *devname, - unsigned char addr, - unsigned int *oui, +int miiphy_info (char *devname, unsigned char addr, unsigned int *oui, unsigned char *model, unsigned char *rev) { unsigned int reg = 0; @@ -288,13 +286,12 @@ int miiphy_info (char *devname, #ifdef DEBUG printf ("PHY_PHYIDR[1,2] @ 0x%x = 0x%08x\n", addr, reg); #endif - *oui = ( reg >> 10); - *model = (unsigned char) ((reg >> 4) & 0x0000003F); - *rev = (unsigned char) ( reg & 0x0000000F); + *oui = (reg >> 10); + *model = (unsigned char)((reg >> 4) & 0x0000003F); + *rev = (unsigned char)(reg & 0x0000000F); return (0); } - /***************************************************************************** * * Reset the PHY. @@ -345,104 +342,138 @@ int miiphy_reset (char *devname, unsigned char addr) return (0); } - /***************************************************************************** * - * Determine the ethernet speed (10/100). + * Determine the ethernet speed (10/100/1000). Return 10 on error. */ int miiphy_speed (char *devname, unsigned char addr) { - unsigned short reg; + u16 bmcr, anlpar; #if defined(CONFIG_PHY_GIGE) - if (miiphy_read (devname, addr, PHY_1000BTSR, ®)) { - printf ("PHY 1000BT Status read failed\n"); - } else { - if (reg != 0xFFFF) { - if ((reg & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) !=0) { - return (_1000BASET); - } - } + u16 btsr; + + /* + * Check for 1000BASE-X. If it is supported, then assume that the speed + * is 1000. + */ + if (miiphy_is_1000base_x (devname, addr)) { + return _1000BASET; + } + /* + * No 1000BASE-X, so assume 1000BASE-T/100BASE-TX/10BASE-T register set. + */ + /* Check for 1000BASE-T. */ + if (miiphy_read (devname, addr, PHY_1000BTSR, &btsr)) { + printf ("PHY 1000BT status"); + goto miiphy_read_failed; + } + if (btsr != 0xFFFF && + (btsr & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD))) { + return _1000BASET; } #endif /* CONFIG_PHY_GIGE */ /* Check Basic Management Control Register first. */ - if (miiphy_read (devname, addr, PHY_BMCR, ®)) { - puts ("PHY speed read failed, assuming 10bT\n"); - return (_10BASET); + if (miiphy_read (devname, addr, PHY_BMCR, &bmcr)) { + printf ("PHY speed"); + goto miiphy_read_failed; } /* Check if auto-negotiation is on. */ - if ((reg & PHY_BMCR_AUTON) != 0) { + if (bmcr & PHY_BMCR_AUTON) { /* Get auto-negotiation results. */ - if (miiphy_read (devname, addr, PHY_ANLPAR, ®)) { - puts ("PHY AN speed read failed, assuming 10bT\n"); - return (_10BASET); - } - if ((reg & PHY_ANLPAR_100) != 0) { - return (_100BASET); - } else { - return (_10BASET); + if (miiphy_read (devname, addr, PHY_ANLPAR, &anlpar)) { + printf ("PHY AN speed"); + goto miiphy_read_failed; } + return (anlpar & PHY_ANLPAR_100) ? _100BASET : _10BASET; } /* Get speed from basic control settings. */ - else if (reg & PHY_BMCR_100MB) { - return (_100BASET); - } else { - return (_10BASET); - } + return (bmcr & PHY_BMCR_100MB) ? _100BASET : _10BASET; + miiphy_read_failed: + printf (" read failed, assuming 10BASE-T\n"); + return _10BASET; } - /***************************************************************************** * - * Determine full/half duplex. + * Determine full/half duplex. Return half on error. */ int miiphy_duplex (char *devname, unsigned char addr) { - unsigned short reg; + u16 bmcr, anlpar; #if defined(CONFIG_PHY_GIGE) - if (miiphy_read (devname, addr, PHY_1000BTSR, ®)) { - printf ("PHY 1000BT Status read failed\n"); - } else { - if ( (reg != 0xFFFF) && - (reg & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) ) { - if ((reg & PHY_1000BTSR_1000FD) !=0) { - return (FULL); - } else { - return (HALF); - } + u16 btsr; + + /* Check for 1000BASE-X. */ + if (miiphy_is_1000base_x (devname, addr)) { + /* 1000BASE-X */ + if (miiphy_read (devname, addr, PHY_ANLPAR, &anlpar)) { + printf ("1000BASE-X PHY AN duplex"); + goto miiphy_read_failed; + } + } + /* + * No 1000BASE-X, so assume 1000BASE-T/100BASE-TX/10BASE-T register set. + */ + /* Check for 1000BASE-T. */ + if (miiphy_read (devname, addr, PHY_1000BTSR, &btsr)) { + printf ("PHY 1000BT status"); + goto miiphy_read_failed; + } + if (btsr != 0xFFFF) { + if (btsr & PHY_1000BTSR_1000FD) { + return FULL; + } else if (btsr & PHY_1000BTSR_1000HD) { + return HALF; } } #endif /* CONFIG_PHY_GIGE */ /* Check Basic Management Control Register first. */ - if (miiphy_read (devname, addr, PHY_BMCR, ®)) { - puts ("PHY duplex read failed, assuming half duplex\n"); - return (HALF); + if (miiphy_read (devname, addr, PHY_BMCR, &bmcr)) { + puts ("PHY duplex"); + goto miiphy_read_failed; } /* Check if auto-negotiation is on. */ - if ((reg & PHY_BMCR_AUTON) != 0) { + if (bmcr & PHY_BMCR_AUTON) { /* Get auto-negotiation results. */ - if (miiphy_read (devname, addr, PHY_ANLPAR, ®)) { - puts ("PHY AN duplex read failed, assuming half duplex\n"); - return (HALF); - } - - if ((reg & (PHY_ANLPAR_10FD | PHY_ANLPAR_TXFD)) != 0) { - return (FULL); - } else { - return (HALF); + if (miiphy_read (devname, addr, PHY_ANLPAR, &anlpar)) { + puts ("PHY AN duplex"); + goto miiphy_read_failed; } + return (anlpar & (PHY_ANLPAR_10FD | PHY_ANLPAR_TXFD)) ? + FULL : HALF; } /* Get speed from basic control settings. */ - else if (reg & PHY_BMCR_DPLX) { - return (FULL); - } else { - return (HALF); - } + return (bmcr & PHY_BMCR_DPLX) ? FULL : HALF; + + miiphy_read_failed: + printf (" read failed, assuming half duplex\n"); + return HALF; +} +/***************************************************************************** + * + * Return 1 if PHY supports 1000BASE-X, 0 if PHY supports 10BASE-T/100BASE-TX/ + * 1000BASE-T, or on error. + */ +int miiphy_is_1000base_x (char *devname, unsigned char addr) +{ +#if defined(CONFIG_PHY_GIGE) + u16 exsr; + + if (miiphy_read (devname, addr, PHY_EXSR, &exsr)) { + printf ("PHY extended status read failed, assuming no " + "1000BASE-X\n"); + return 0; + } + return 0 != (exsr & (PHY_EXSR_1000XF | PHY_EXSR_1000XH)); +#else + return 0; +#endif } #ifdef CFG_FAULT_ECHO_LINK_DOWN @@ -455,7 +486,7 @@ int miiphy_link (char *devname, unsigned char addr) unsigned short reg; /* dummy read; needed to latch some phys */ - (void)miiphy_read(devname, addr, PHY_BMSR, ®); + (void)miiphy_read (devname, addr, PHY_BMSR, ®); if (miiphy_read (devname, addr, PHY_BMSR, ®)) { puts ("PHY_BMSR read failed, assuming no link\n"); return (0); @@ -469,5 +500,4 @@ int miiphy_link (char *devname, unsigned char addr) } } #endif - #endif /* CONFIG_MII */ |