* (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
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
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" },
+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 {
char * name;
} MII_field_desc_t;
-MII_field_desc_t reg_0_desc_tbl[] = {
+static const MII_field_desc_t reg_0_desc_tbl[] = {
{ 15, 15, 0x01, "reset" },
{ 14, 14, 0x01, "loopback" },
{ 13, 6, 0x81, "speed selection" }, /* special */
{ 5, 0, 0x3f, "(reserved)" }
};
-MII_field_desc_t reg_1_desc_tbl[] = {
+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" },
{ 0, 0, 0x01, "extended capabilities" },
};
-MII_field_desc_t reg_2_desc_tbl[] = {
+static const MII_field_desc_t reg_2_desc_tbl[] = {
{ 15, 0, 0xffff, "OUI portion" },
};
-MII_field_desc_t reg_3_desc_tbl[] = {
+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" },
};
-MII_field_desc_t reg_4_desc_tbl[] = {
+static const MII_field_desc_t reg_4_desc_tbl[] = {
{ 15, 15, 0x01, "next page able" },
- { 14, 14, 0x01, "reserved" },
+ { 14, 14, 0x01, "(reserved)" },
{ 13, 13, 0x01, "remote fault" },
- { 12, 12, 0x01, "reserved" },
+ { 12, 12, 0x01, "(reserved)" },
{ 11, 11, 0x01, "asymmetric pause" },
{ 10, 10, 0x01, "pause enable" },
{ 9, 9, 0x01, "100BASE-T4 able" },
{ 4, 0, 0x1f, "xxx to do" },
};
-MII_field_desc_t reg_5_desc_tbl[] = {
+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" },
{ 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;
+ const 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 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,
- MII_reg_desc_t * prd,
- MII_field_desc_and_len_t * pdl);
+ const MII_reg_desc_t *prd,
+ const MII_field_desc_and_len_t *pdl);
static int special_field(
ushort regno,
- MII_field_desc_t * pdesc,
+ const MII_field_desc_t *pdesc,
ushort regval);
-void MII_dump_0_to_5(
+static void MII_dump_0_to_5(
ushort regvals[6],
uchar reglo,
uchar reghi)
static void dump_reg(
ushort regval,
- MII_reg_desc_t * prd,
- MII_field_desc_and_len_t * pdl)
+ const MII_reg_desc_t *prd,
+ const MII_field_desc_and_len_t *pdl)
{
ulong i;
ushort mask_in_place;
- MII_field_desc_t * pdesc;
+ const MII_field_desc_t *pdesc;
printf("%u. (%04hx) -- %s --\n",
prd->regno, regval, prd->name);
mask_in_place = pdesc->mask << pdesc->lo;
- printf(" (%04hx:%04hx) %u.",
- mask_in_place,
- regval & mask_in_place,
- prd->regno);
+ printf(" (%04hx:%04x) %u.",
+ mask_in_place,
+ regval & mask_in_place,
+ prd->regno);
if (special_field(prd->regno, pdesc, regval)) {
}
static int special_field(
ushort regno,
- MII_field_desc_t * pdesc,
+ const MII_field_desc_t *pdesc,
ushort regval)
{
- if ((regno == 0) && (pdesc->lo == 6)) {
- ushort speed_bits = regval & PHY_BMCR_SPEED_MASK;
+ 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 == PHY_BMCR_1000_MBPS ? "1000" :
- speed_bits == PHY_BMCR_100_MBPS ? "100" :
- speed_bits == PHY_BMCR_10_MBPS ? "10" :
- "???");
+ speed_bits == BMCR_SPEED1000 ? "1000" :
+ speed_bits == BMCR_SPEED100 ? "100" :
+ "10");
return 1;
}
- else if ((regno == 0) && (pdesc->lo == 8)) {
+ else if ((regno == MII_BMCR) && (pdesc->lo == 8)) {
printf("%2u = %5u duplex = %s",
pdesc->lo,
(regval >> pdesc->lo) & 1,
return 1;
}
- else if ((regno == 4) && (pdesc->lo == 0)) {
+ 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,
return 1;
}
- else if ((regno == 5) && (pdesc->lo == 0)) {
+ 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,
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 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,
}
/* ---------------------------------------------------------------- */
-int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+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;
+ unsigned short data, mask;
int rcode = 0;
- char *devname;
+ const char *devname;
if (argc < 2)
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
#if defined(CONFIG_MII_INIT)
mii_init ();
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 (argc >= 4)
extract_range(argv[3], ®lo, ®hi);
if (argc >= 5)
- data = simple_strtoul (argv[4], NULL, 16);
+ data = simple_strtoul(argv[4], NULL, 16);
+ if (argc >= 6)
+ mask = simple_strtoul(argv[5], NULL, 16);
}
/* use current device */
}
}
}
+ } 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;
else
miiphy_set_current_dev (argv[2]);
} else {
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
}
/*
last_reg_lo = reglo;
last_reg_hi = reghi;
last_data = data;
+ last_mask = mask;
return rcode;
}
/***************************************************/
U_BOOT_CMD(
- mii, 5, 1, do_mii,
+ mii, 6, 1, do_mii,
"MII utility commands",
- "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"
+ "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 modify <addr> <reg> <data> <mask> - modify MII PHY <addr> register <reg>\n"
+ " updating bits identified in <mask>\n"
+ "mii dump <addr> <reg> - pretty-print <addr> <reg> (0-5 only)\n"
"Addr and/or reg may be ranges, e.g. 2-7."
);