From 2e192b245ed36a63bab0ef576999a95e23f60ecd Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 17 Jan 2016 20:53:52 -0700 Subject: Remove the cmd_ prefix from command files Now that they are in their own directory, we can remove this prefix. This makes it easier to find a file since the prefix does not get in the way. Signed-off-by: Simon Glass Reviewed-by: Bin Meng Reviewed-by: Heiko Schocher Acked-by: Stefan Roese Acked-by: Przemyslaw Marczak --- cmd/mii.c | 470 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 470 insertions(+) create mode 100644 cmd/mii.c (limited to 'cmd/mii.c') diff --git a/cmd/mii.c b/cmd/mii.c new file mode 100644 index 0000000000..7ef7532a50 --- /dev/null +++ b/cmd/mii.c @@ -0,0 +1,470 @@ +/* + * (C) Copyright 2001 + * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * MII Utilities + */ + +#include +#include +#include + +typedef struct _MII_reg_desc_t { + ushort regno; + char * name; +} MII_reg_desc_t; + +static const MII_reg_desc_t reg_0_5_desc_tbl[] = { + { MII_BMCR, "PHY control register" }, + { MII_BMSR, "PHY status register" }, + { MII_PHYSID1, "PHY ID 1 register" }, + { MII_PHYSID2, "PHY ID 2 register" }, + { MII_ADVERTISE, "Autonegotiation advertisement register" }, + { MII_LPA, "Autonegotiation partner abilities register" }, +}; + +typedef struct _MII_field_desc_t { + ushort hi; + ushort lo; + ushort mask; + char * name; +} MII_field_desc_t; + +static const 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)" } +}; + +static const 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" }, +}; + +static const MII_field_desc_t reg_2_desc_tbl[] = { + { 15, 0, 0xffff, "OUI portion" }, +}; + +static const 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" }, +}; + +static const 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" }, +}; + +static const 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" }, +}; +typedef struct _MII_field_desc_and_len_t { + const MII_field_desc_t *pdesc; + ushort len; +} MII_field_desc_and_len_t; + +static const MII_field_desc_and_len_t desc_and_len_tbl[] = { + { reg_0_desc_tbl, ARRAY_SIZE(reg_0_desc_tbl) }, + { reg_1_desc_tbl, ARRAY_SIZE(reg_1_desc_tbl) }, + { reg_2_desc_tbl, ARRAY_SIZE(reg_2_desc_tbl) }, + { reg_3_desc_tbl, ARRAY_SIZE(reg_3_desc_tbl) }, + { reg_4_desc_tbl, ARRAY_SIZE(reg_4_desc_tbl) }, + { reg_5_desc_tbl, ARRAY_SIZE(reg_5_desc_tbl) }, +}; + +static void dump_reg( + ushort regval, + const MII_reg_desc_t *prd, + const MII_field_desc_and_len_t *pdl); + +static int special_field( + ushort regno, + const MII_field_desc_t *pdesc, + ushort regval); + +static 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, + const MII_reg_desc_t *prd, + const MII_field_desc_and_len_t *pdl) +{ + ulong i; + ushort mask_in_place; + const 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:%04x) %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, + const MII_field_desc_t *pdesc, + ushort regval) +{ + if ((regno == MII_BMCR) && (pdesc->lo == 6)) { + ushort speed_bits = regval & (BMCR_SPEED1000 | BMCR_SPEED100); + printf("%2u,%2u = b%u%u speed selection = %s Mbps", + 6, 13, + (regval >> 6) & 1, + (regval >> 13) & 1, + speed_bits == BMCR_SPEED1000 ? "1000" : + speed_bits == BMCR_SPEED100 ? "100" : + "10"); + return 1; + } + + else if ((regno == MII_BMCR) && (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 == MII_ADVERTISE) && (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 == MII_LPA) && (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; +} + +static char last_op[2]; +static uint last_data; +static uint last_addr_lo; +static uint last_addr_hi; +static uint last_reg_lo; +static uint last_reg_hi; +static uint last_mask; + +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; + } +} + +/* ---------------------------------------------------------------- */ +static int do_mii(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + char op[2]; + unsigned char addrlo, addrhi, reglo, reghi; + unsigned char addr, reg; + unsigned short data, mask; + int rcode = 0; + const char *devname; + + if (argc < 2) + return CMD_RET_USAGE; + +#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; + mask = last_mask; + + 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); + if (argc >= 6) + mask = simple_strtoul(argv[5], NULL, 16); + } + + if (addrhi > 31) { + printf("Incorrect PHY address. Range should be 0-31\n"); + return CMD_RET_USAGE; + } + + /* 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 (op[0] == 'm') { + for (addr = addrlo; addr <= addrhi; addr++) { + for (reg = reglo; reg <= reghi; reg++) { + unsigned short val = 0; + if (miiphy_read(devname, addr, + reg, &val)) { + printf("Error reading from the PHY"); + printf(" addr=%02x", addr); + printf(" reg=%02x\n", reg); + rcode = 1; + } else { + val = (val & ~mask) | (data & mask); + if (miiphy_write(devname, addr, + reg, val)) { + printf("Error writing to the PHY"); + printf(" addr=%02x", addr); + printf(" reg=%02x\n", 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 { + return CMD_RET_USAGE; + } + + /* + * 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; + last_mask = mask; + + return rcode; +} + +/***************************************************/ + +U_BOOT_CMD( + mii, 6, 1, do_mii, + "MII utility commands", + "device - list available devices\n" + "mii device - set current device\n" + "mii info - display MII PHY info\n" + "mii read - read MII PHY register \n" + "mii write - write MII PHY register \n" + "mii modify - modify MII PHY register \n" + " updating bits identified in \n" + "mii dump - pretty-print (0-5 only)\n" + "Addr and/or reg may be ranges, e.g. 2-7." +); -- cgit