* Patch by John Kerl, 16 Apr 2004:

  Enable ranges in mii command, e.g. mii read 0-1f 0 or
  mii read 4-7 18-1a.  Also add mii dump subcommand for
  pretty-printing standard regs 0-5.

* Patch by  Stephen Williams, 16 April 2004:
  fix typo in JSE.h; update MAINTAINERS

1 files changed, 413 insertions, 0 deletions

diff --git a/common/cmd_mii.c b/common/cmd_mii.c
index ef53e13..4a84829 100644
--- a/common/cmd_mii.c
+++ b/common/cmd_mii.c
@@ -28,9 +28,11 @@
 #include <common.h>
 #include <command.h>
 #include <miiphy.h>
+#include <miivals.h>
 
 #if (CONFIG_COMMANDS & CFG_CMD_MII)
 
+#ifdef CONFIG_TERSE_MII
 /*
  * Display values from last command.
  */
@@ -143,6 +145,417 @@ U_BOOT_CMD(
 	"mii read  <addr> <reg>        - read  MII PHY <addr> register <reg>\n"
 	"mii write <addr> <reg> <data> - write MII PHY <addr> register <reg>\n"
 );
+#else /* CONFIG_TERSE_MII */
 
+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], &reg_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 & MII_CTL_SPEED_MASK;
+		printf("%2u,%2u =   b%u%u    speed selection = %s Mbps",
+			6, 13,
+			(regval >>  6) & 1,
+			(regval >> 13) & 1,
+			speed_bits == MII_CTL_SPEED_1000_MBPS ? "1000" :
+			speed_bits == MII_CTL_SPEED_100_MBPS  ? "100" :
+			speed_bits == MII_CTL_SPEED_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 == MII_AN_ADV_IEEE_802_3 ?
+				"IEEE 802.3" :
+			sel_bits == MII_AN_ADV_IEEE_802_9_ISLAN_16T ?
+				"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 == MII_AN_PARTNER_IEEE_802_3 ?
+				"IEEE 802.3" :
+			sel_bits == MII_AN_PARTNER_IEEE_802_9_ISLAN_16T ?
+				"IEEE 802.9 ISLAN-16T" :
+			"???");
+		return 1;
+	}
+
+	return 0;
+}
+
+uint last_op;
+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;
+	unsigned char	addrlo, addrhi, reglo, reghi;
+	unsigned char	addr, reg;
+	unsigned short	data;
+	int		rcode = 0;
+
+#ifdef CONFIG_8xx
+	mii_init ();
+#endif
+
+	/*
+	 * We use the last specified parameters, unless new ones are
+	 * entered.
+	 */
+	op     = last_op;
+	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 = argv[1][0];
+		if (argc >= 3)
+			extract_range(argv[2], &addrlo, &addrhi);
+		if (argc >= 4)
+			extract_range(argv[3], &reglo, &reghi);
+		if (argc >= 5)
+			data = simple_strtoul (argv[4], NULL, 16);
+	}
+
+	/*
+	 * check info/read/write.
+	 */
+	if (op == '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 = addr; end = addr + 1;
+		} else {
+			start = 0; end = 32;
+		}
+
+		for (j = start; j < end; j++) {
+			if (miiphy_info (j, &oui, &model, &rev) == 0) {
+				printf("PHY 0x%02X: "
+					"OUI = 0x%04X, "
+					"Model = 0x%02X, "
+					"Rev = 0x%02X, "
+					"%3dbaseT, %s\n",
+					j, oui, model, rev,
+					miiphy_speed (j),
+					miiphy_duplex (j) == FULL ? "FDX" : "HDX");
+			}
+		}
+	} else if (op == 'r') {
+		for (addr = addrlo; addr <= addrhi; addr++) {
+			for (reg = reglo; reg <= reghi; reg++) {
+				data = 0xffff;
+				if (miiphy_read (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 == 'w') {
+		for (addr = addrlo; addr <= addrhi; addr++) {
+			for (reg = reglo; reg <= reghi; reg++) {
+				if (miiphy_write (addr, reg, data) != 0) {
+					printf("Error writing to the PHY addr=%02x reg=%02x\n",
+						addr, reg);
+					rcode = 1;
+				}
+			}
+		}
+	} else if (op == 'd') {
+		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 = 0; reg < 6; reg++) {
+				if (miiphy_read(addr, reg, &regs[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 {
+		printf("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	/*
+	 * Save the parameters for repeats.
+	 */
+	last_op      = op;
+	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",
+	"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"
+);
+
+#endif /* CONFIG_TERSE_MII */
 
 #endif /* CFG_CMD_MII */