diff options
Diffstat (limited to 'common/cmd_mii.c')
| -rw-r--r-- | common/cmd_mii.c | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/common/cmd_mii.c b/common/cmd_mii.c index 7c4a57a..5e9079d 100644 --- a/common/cmd_mii.c +++ b/common/cmd_mii.c @@ -249,6 +249,7 @@ 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, @@ -272,7 +273,7 @@ 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; const char *devname; @@ -294,6 +295,7 @@ static int do_mii(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 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]; @@ -307,7 +309,9 @@ static int do_mii(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 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 */ @@ -375,6 +379,28 @@ static int do_mii(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) } } } + } 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; @@ -417,6 +443,7 @@ static int do_mii(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) last_reg_lo = reglo; last_reg_hi = reghi; last_data = data; + last_mask = mask; return rcode; } @@ -424,13 +451,15 @@ static int do_mii(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) /***************************************************/ 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." ); |