| /* | |
| * (C) Copyright 2001 | |
| * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com | |
| * | |
| * See file CREDITS for list of people who contributed to this | |
| * project. | |
| * | |
| * 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; either version 2 of | |
| * the License, or (at your option) any later version. | |
| * | |
| * 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. | |
| * | |
| * 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., 59 Temple Place, Suite 330, Boston, | |
| * MA 02111-1307 USA | |
| */ | |
| /* | |
| * MII Utilities | |
| */ | |
| #include <common.h> | |
| #include <command.h> | |
| #include <miiphy.h> | |
| typedef struct _MII_reg_desc_t { | |
| ushort regno; | |
| char * name; | |
| } MII_reg_desc_t; | |
| MII_reg_desc_t reg_0_5_desc_tbl[] = { | |
| { 0, "PHY control register" }, | |
| { 1, "PHY status register" }, | |
| { 2, "PHY ID 1 register" }, | |
| { 3, "PHY ID 2 register" }, | |
| { 4, "Autonegotiation advertisement register" }, | |
| { 5, "Autonegotiation partner abilities register" }, | |
| }; | |
| typedef struct _MII_field_desc_t { | |
| ushort hi; | |
| ushort lo; | |
| ushort mask; | |
| char * name; | |
| } MII_field_desc_t; | |
| MII_field_desc_t reg_0_desc_tbl[] = { | |
| { 15, 15, 0x01, "reset" }, | |
| { 14, 14, 0x01, "loopback" }, | |
| { 13, 6, 0x81, "speed selection" }, /* special */ | |
| { 12, 12, 0x01, "A/N enable" }, | |
| { 11, 11, 0x01, "power-down" }, | |
| { 10, 10, 0x01, "isolate" }, | |
| { 9, 9, 0x01, "restart A/N" }, | |
| { 8, 8, 0x01, "duplex" }, /* special */ | |
| { 7, 7, 0x01, "collision test enable" }, | |
| { 5, 0, 0x3f, "(reserved)" } | |
| }; | |
| MII_field_desc_t reg_1_desc_tbl[] = { | |
| { 15, 15, 0x01, "100BASE-T4 able" }, | |
| { 14, 14, 0x01, "100BASE-X full duplex able" }, | |
| { 13, 13, 0x01, "100BASE-X half duplex able" }, | |
| { 12, 12, 0x01, "10 Mbps full duplex able" }, | |
| { 11, 11, 0x01, "10 Mbps half duplex able" }, | |
| { 10, 10, 0x01, "100BASE-T2 full duplex able" }, | |
| { 9, 9, 0x01, "100BASE-T2 half duplex able" }, | |
| { 8, 8, 0x01, "extended status" }, | |
| { 7, 7, 0x01, "(reserved)" }, | |
| { 6, 6, 0x01, "MF preamble suppression" }, | |
| { 5, 5, 0x01, "A/N complete" }, | |
| { 4, 4, 0x01, "remote fault" }, | |
| { 3, 3, 0x01, "A/N able" }, | |
| { 2, 2, 0x01, "link status" }, | |
| { 1, 1, 0x01, "jabber detect" }, | |
| { 0, 0, 0x01, "extended capabilities" }, | |
| }; | |
| MII_field_desc_t reg_2_desc_tbl[] = { | |
| { 15, 0, 0xffff, "OUI portion" }, | |
| }; | |
| MII_field_desc_t reg_3_desc_tbl[] = { | |
| { 15, 10, 0x3f, "OUI portion" }, | |
| { 9, 4, 0x3f, "manufacturer part number" }, | |
| { 3, 0, 0x0f, "manufacturer rev. number" }, | |
| }; | |
| MII_field_desc_t reg_4_desc_tbl[] = { | |
| { 15, 15, 0x01, "next page able" }, | |
| { 14, 14, 0x01, "reserved" }, | |
| { 13, 13, 0x01, "remote fault" }, | |
| { 12, 12, 0x01, "reserved" }, | |
| { 11, 11, 0x01, "asymmetric pause" }, | |
| { 10, 10, 0x01, "pause enable" }, | |
| { 9, 9, 0x01, "100BASE-T4 able" }, | |
| { 8, 8, 0x01, "100BASE-TX full duplex able" }, | |
| { 7, 7, 0x01, "100BASE-TX able" }, | |
| { 6, 6, 0x01, "10BASE-T full duplex able" }, | |
| { 5, 5, 0x01, "10BASE-T able" }, | |
| { 4, 0, 0x1f, "xxx to do" }, | |
| }; | |
| MII_field_desc_t reg_5_desc_tbl[] = { | |
| { 15, 15, 0x01, "next page able" }, | |
| { 14, 14, 0x01, "acknowledge" }, | |
| { 13, 13, 0x01, "remote fault" }, | |
| { 12, 12, 0x01, "(reserved)" }, | |
| { 11, 11, 0x01, "asymmetric pause able" }, | |
| { 10, 10, 0x01, "pause able" }, | |
| { 9, 9, 0x01, "100BASE-T4 able" }, | |
| { 8, 8, 0x01, "100BASE-X full duplex able" }, | |
| { 7, 7, 0x01, "100BASE-TX able" }, | |
| { 6, 6, 0x01, "10BASE-T full duplex able" }, | |
| { 5, 5, 0x01, "10BASE-T able" }, | |
| { 4, 0, 0x1f, "xxx to do" }, | |
| }; | |
| #define DESC0LEN (sizeof(reg_0_desc_tbl)/sizeof(reg_0_desc_tbl[0])) | |
| #define DESC1LEN (sizeof(reg_1_desc_tbl)/sizeof(reg_1_desc_tbl[0])) | |
| #define DESC2LEN (sizeof(reg_2_desc_tbl)/sizeof(reg_2_desc_tbl[0])) | |
| #define DESC3LEN (sizeof(reg_3_desc_tbl)/sizeof(reg_3_desc_tbl[0])) | |
| #define DESC4LEN (sizeof(reg_4_desc_tbl)/sizeof(reg_4_desc_tbl[0])) | |
| #define DESC5LEN (sizeof(reg_5_desc_tbl)/sizeof(reg_5_desc_tbl[0])) | |
| typedef struct _MII_field_desc_and_len_t { | |
| MII_field_desc_t * pdesc; | |
| ushort len; | |
| } MII_field_desc_and_len_t; | |
| MII_field_desc_and_len_t desc_and_len_tbl[] = { | |
| { reg_0_desc_tbl, DESC0LEN }, | |
| { reg_1_desc_tbl, DESC1LEN }, | |
| { reg_2_desc_tbl, DESC2LEN }, | |
| { reg_3_desc_tbl, DESC3LEN }, | |
| { reg_4_desc_tbl, DESC4LEN }, | |
| { reg_5_desc_tbl, DESC5LEN }, | |
| }; | |
| static void dump_reg( | |
| ushort regval, | |
| MII_reg_desc_t * prd, | |
| MII_field_desc_and_len_t * pdl); | |
| static int special_field( | |
| ushort regno, | |
| MII_field_desc_t * pdesc, | |
| ushort regval); | |
| void MII_dump_0_to_5( | |
| ushort regvals[6], | |
| uchar reglo, | |
| uchar reghi) | |
| { | |
| ulong i; | |
| for (i = 0; i < 6; i++) { | |
| if ((reglo <= i) && (i <= reghi)) | |
| dump_reg(regvals[i], ®_0_5_desc_tbl[i], | |
| &desc_and_len_tbl[i]); | |
| } | |
| } | |
| static void dump_reg( | |
| ushort regval, | |
| MII_reg_desc_t * prd, | |
| MII_field_desc_and_len_t * pdl) | |
| { | |
| ulong i; | |
| ushort mask_in_place; | |
| MII_field_desc_t * pdesc; | |
| printf("%u. (%04hx) -- %s --\n", | |
| prd->regno, regval, prd->name); | |
| for (i = 0; i < pdl->len; i++) { | |
| pdesc = &pdl->pdesc[i]; | |
| mask_in_place = pdesc->mask << pdesc->lo; | |
| printf(" (%04hx:%04hx) %u.", | |
| mask_in_place, | |
| regval & mask_in_place, | |
| prd->regno); | |
| if (special_field(prd->regno, pdesc, regval)) { | |
| } | |
| else { | |
| if (pdesc->hi == pdesc->lo) | |
| printf("%2u ", pdesc->lo); | |
| else | |
| printf("%2u-%2u", pdesc->hi, pdesc->lo); | |
| printf(" = %5u %s", | |
| (regval & mask_in_place) >> pdesc->lo, | |
| pdesc->name); | |
| } | |
| printf("\n"); | |
| } | |
| printf("\n"); | |
| } | |
| /* Special fields: | |
| ** 0.6,13 | |
| ** 0.8 | |
| ** 2.15-0 | |
| ** 3.15-0 | |
| ** 4.4-0 | |
| ** 5.4-0 | |
| */ | |
| static int special_field( | |
| ushort regno, | |
| MII_field_desc_t * pdesc, | |
| ushort regval) | |
| { | |
| if ((regno == 0) && (pdesc->lo == 6)) { | |
| ushort speed_bits = regval & PHY_BMCR_SPEED_MASK; | |
| printf("%2u,%2u = b%u%u speed selection = %s Mbps", | |
| 6, 13, | |
| (regval >> 6) & 1, | |
| (regval >> 13) & 1, | |
| speed_bits == PHY_BMCR_1000_MBPS ? "1000" : | |
| speed_bits == PHY_BMCR_100_MBPS ? "100" : | |
| speed_bits == PHY_BMCR_10_MBPS ? "10" : | |
| "???"); | |
| return 1; | |
| } | |
| else if ((regno == 0) && (pdesc->lo == 8)) { | |
| printf("%2u = %5u duplex = %s", | |
| pdesc->lo, | |
| (regval >> pdesc->lo) & 1, | |
| ((regval >> pdesc->lo) & 1) ? "full" : "half"); | |
| return 1; | |
| } | |
| else if ((regno == 4) && (pdesc->lo == 0)) { | |
| ushort sel_bits = (regval >> pdesc->lo) & pdesc->mask; | |
| printf("%2u-%2u = %5u selector = %s", | |
| pdesc->hi, pdesc->lo, sel_bits, | |
| sel_bits == PHY_ANLPAR_PSB_802_3 ? | |
| "IEEE 802.3" : | |
| sel_bits == PHY_ANLPAR_PSB_802_9 ? | |
| "IEEE 802.9 ISLAN-16T" : | |
| "???"); | |
| return 1; | |
| } | |
| else if ((regno == 5) && (pdesc->lo == 0)) { | |
| ushort sel_bits = (regval >> pdesc->lo) & pdesc->mask; | |
| printf("%2u-%2u = %u selector = %s", | |
| pdesc->hi, pdesc->lo, sel_bits, | |
| sel_bits == PHY_ANLPAR_PSB_802_3 ? | |
| "IEEE 802.3" : | |
| sel_bits == PHY_ANLPAR_PSB_802_9 ? | |
| "IEEE 802.9 ISLAN-16T" : | |
| "???"); | |
| return 1; | |
| } | |
| return 0; | |
| } | |
| char last_op[2]; | |
| uint last_data; | |
| uint last_addr_lo; | |
| uint last_addr_hi; | |
| uint last_reg_lo; | |
| uint last_reg_hi; | |
| static void extract_range( | |
| char * input, | |
| unsigned char * plo, | |
| unsigned char * phi) | |
| { | |
| char * end; | |
| *plo = simple_strtoul(input, &end, 16); | |
| if (*end == '-') { | |
| end++; | |
| *phi = simple_strtoul(end, NULL, 16); | |
| } | |
| else { | |
| *phi = *plo; | |
| } | |
| } | |
| /* ---------------------------------------------------------------- */ | |
| int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
| { | |
| char op[2]; | |
| unsigned char addrlo, addrhi, reglo, reghi; | |
| unsigned char addr, reg; | |
| unsigned short data; | |
| int rcode = 0; | |
| char *devname; | |
| if (argc < 2) { | |
| printf("Usage:\n%s\n", cmdtp->usage); | |
| return 1; | |
| } | |
| #if defined(CONFIG_MII_INIT) | |
| mii_init (); | |
| #endif | |
| /* | |
| * We use the last specified parameters, unless new ones are | |
| * entered. | |
| */ | |
| op[0] = last_op[0]; | |
| op[1] = last_op[1]; | |
| addrlo = last_addr_lo; | |
| addrhi = last_addr_hi; | |
| reglo = last_reg_lo; | |
| reghi = last_reg_hi; | |
| data = last_data; | |
| if ((flag & CMD_FLAG_REPEAT) == 0) { | |
| op[0] = argv[1][0]; | |
| if (strlen(argv[1]) > 1) | |
| op[1] = argv[1][1]; | |
| else | |
| op[1] = '\0'; | |
| if (argc >= 3) | |
| extract_range(argv[2], &addrlo, &addrhi); | |
| if (argc >= 4) | |
| extract_range(argv[3], ®lo, ®hi); | |
| if (argc >= 5) | |
| data = simple_strtoul (argv[4], NULL, 16); | |
| } | |
| /* use current device */ | |
| devname = miiphy_get_current_dev(); | |
| /* | |
| * check info/read/write. | |
| */ | |
| if (op[0] == 'i') { | |
| unsigned char j, start, end; | |
| unsigned int oui; | |
| unsigned char model; | |
| unsigned char rev; | |
| /* | |
| * Look for any and all PHYs. Valid addresses are 0..31. | |
| */ | |
| if (argc >= 3) { | |
| start = addrlo; end = addrhi; | |
| } else { | |
| start = 0; end = 31; | |
| } | |
| for (j = start; j <= end; j++) { | |
| if (miiphy_info (devname, j, &oui, &model, &rev) == 0) { | |
| printf("PHY 0x%02X: " | |
| "OUI = 0x%04X, " | |
| "Model = 0x%02X, " | |
| "Rev = 0x%02X, " | |
| "%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"); | |
| } | |
| } | |
| } else if (op[0] == 'r') { | |
| for (addr = addrlo; addr <= addrhi; addr++) { | |
| for (reg = reglo; reg <= reghi; reg++) { | |
| data = 0xffff; | |
| if (miiphy_read (devname, addr, reg, &data) != 0) { | |
| printf( | |
| "Error reading from the PHY addr=%02x reg=%02x\n", | |
| addr, reg); | |
| rcode = 1; | |
| } else { | |
| if ((addrlo != addrhi) || (reglo != reghi)) | |
| printf("addr=%02x reg=%02x data=", | |
| (uint)addr, (uint)reg); | |
| printf("%04X\n", data & 0x0000FFFF); | |
| } | |
| } | |
| if ((addrlo != addrhi) && (reglo != reghi)) | |
| printf("\n"); | |
| } | |
| } else if (op[0] == 'w') { | |
| for (addr = addrlo; addr <= addrhi; addr++) { | |
| for (reg = reglo; reg <= reghi; reg++) { | |
| if (miiphy_write (devname, addr, reg, data) != 0) { | |
| printf("Error writing to the PHY addr=%02x reg=%02x\n", | |
| addr, reg); | |
| rcode = 1; | |
| } | |
| } | |
| } | |
| } else if (strncmp(op, "du", 2) == 0) { | |
| ushort regs[6]; | |
| int ok = 1; | |
| if ((reglo > 5) || (reghi > 5)) { | |
| printf( | |
| "The MII dump command only formats the " | |
| "standard MII registers, 0-5.\n"); | |
| return 1; | |
| } | |
| for (addr = addrlo; addr <= addrhi; addr++) { | |
| for (reg = reglo; reg < reghi + 1; reg++) { | |
| if (miiphy_read(devname, addr, reg, ®s[reg]) != 0) { | |
| ok = 0; | |
| printf( | |
| "Error reading from the PHY addr=%02x reg=%02x\n", | |
| addr, reg); | |
| rcode = 1; | |
| } | |
| } | |
| if (ok) | |
| MII_dump_0_to_5(regs, reglo, reghi); | |
| printf("\n"); | |
| } | |
| } else if (strncmp(op, "de", 2) == 0) { | |
| if (argc == 2) | |
| miiphy_listdev (); | |
| else | |
| miiphy_set_current_dev (argv[2]); | |
| } else { | |
| printf("Usage:\n%s\n", cmdtp->usage); | |
| return 1; | |
| } | |
| /* | |
| * Save the parameters for repeats. | |
| */ | |
| last_op[0] = op[0]; | |
| last_op[1] = op[1]; | |
| last_addr_lo = addrlo; | |
| last_addr_hi = addrhi; | |
| last_reg_lo = reglo; | |
| last_reg_hi = reghi; | |
| last_data = data; | |
| return rcode; | |
| } | |
| /***************************************************/ | |
| U_BOOT_CMD( | |
| mii, 5, 1, do_mii, | |
| "mii - MII utility commands\n", | |
| "device - list available devices\n" | |
| "mii device <devname> - set current device\n" | |
| "mii info <addr> - display MII PHY info\n" | |
| "mii read <addr> <reg> - read MII PHY <addr> register <reg>\n" | |
| "mii write <addr> <reg> <data> - write MII PHY <addr> register <reg>\n" | |
| "mii dump <addr> <reg> - pretty-print <addr> <reg> (0-5 only)\n" | |
| "Addr and/or reg may be ranges, e.g. 2-7.\n" | |
| ); |