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From: Steve Glendinning <steve.glendinning@shawell.net>
To: Ben Hutchings <bhutchings@solarflare.com>
Cc: netdev@vger.kernel.org,
	Steve Glendinning <steve.glendinning@shawell.net>
Subject: [PATCH] ethtool: add register dump support for SMSC LAN9420
Date: Tue, 18 Dec 2012 09:34:39 +0000	[thread overview]
Message-ID: <1355823279-5533-1-git-send-email-steve.glendinning@shawell.net> (raw)

This patch adds support for SMSC's LAN9420 PCI ethernet controller
to ethtool's dump registers (-d) command.

This patch is for use with the smsc9420 driver.

Signed-off-by: Steve Glendinning <steve.glendinning@shawell.net>
---
 Makefile.am |    2 +-
 ethtool.c   |    2 ++
 internal.h  |    3 ++
 smsc9420.c  |   95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 101 insertions(+), 1 deletion(-)
 create mode 100644 smsc9420.c

diff --git a/Makefile.am b/Makefile.am
index ba1faa6..728be0a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -10,7 +10,7 @@ ethtool_SOURCES = ethtool.c ethtool-copy.h internal.h net_tstamp-copy.h \
 		  fec_8xx.c ibm_emac.c ixgb.c ixgbe.c natsemi.c	\
 		  pcnet32.c realtek.c tg3.c marvell.c vioc.c	\
 		  smsc911x.c at76c50x-usb.c sfc.c stmmac.c	\
-		  rxclass.c sfpid.c sfpdiag.c
+		  rxclass.c sfpid.c sfpdiag.c smsc9420.c
 
 TESTS = test-cmdline test-features
 check_PROGRAMS = test-cmdline test-features
diff --git a/ethtool.c b/ethtool.c
index 345c21c..97c3d76 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -15,6 +15,7 @@
  * amd8111e support by Reeja John <reeja.john@amd.com>
  * long arguments by Andi Kleen.
  * SMSC LAN911x support by Steve Glendinning <steve.glendinning@smsc.com>
+ * SMSC LAN9420 support by Steve Glendinning <steve.glendinning@shawell.net>
  * Rx Network Flow Control configuration support <santwona.behera@sun.com>
  * Various features by Ben Hutchings <bhutchings@solarflare.com>;
  *	Copyright 2009, 2010 Solarflare Communications
@@ -884,6 +885,7 @@ static const struct {
 	{ "sky2", sky2_dump_regs },
         { "vioc", vioc_dump_regs },
         { "smsc911x", smsc911x_dump_regs },
+	{ "smsc9420", smsc9420_dump_regs },
         { "at76c50x-usb", at76c50x_usb_dump_regs },
         { "sfc", sfc_dump_regs },
 	{ "st_mac100", st_mac100_dump_regs },
diff --git a/internal.h b/internal.h
index e977a81..8873cd1 100644
--- a/internal.h
+++ b/internal.h
@@ -228,6 +228,9 @@ int vioc_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
 /* SMSC LAN911x/LAN921x embedded ethernet controller */
 int smsc911x_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
 
+/* SMSC LAN9420 PCI ethernet controller */
+int smsc9420_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+
 int at76c50x_usb_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
 
 /* Solarflare Solarstorm controllers */
diff --git a/smsc9420.c b/smsc9420.c
new file mode 100644
index 0000000..b6a24a0
--- /dev/null
+++ b/smsc9420.c
@@ -0,0 +1,95 @@
+#include <stdio.h>
+#include <string.h>
+#include "internal.h"
+
+int smsc9420_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
+{
+	unsigned int *smsc_reg = (unsigned int *)regs->data;
+
+	fprintf(stdout, "LAN9420 DMAC Control & Status Registers\n");
+	fprintf(stdout, "offset 0x00, BUS_MODE        = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x04, TX_POLL_DEMAND  = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x08, TX_POLL_DEMAND  = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x0C, RX_BASE_ADDR    = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x10, TX_BASE_ADDR    = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x14, DMAC_STATUS     = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x18, DMAC_CONTROL    = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x1C, DMAC_INTR_ENA   = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x20, MISS_FRAME_CNT  = 0x%08X\n",*smsc_reg++);
+	smsc_reg += 11; /* 0x24 - 0x4C RESERVED */
+	fprintf(stdout, "offset 0x50, CUR_TX_BUF_ADDR = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x54, CUR_RX_BUF_ADDR = 0x%08X\n",*smsc_reg++);
+	smsc_reg += 10; /* 0x58 - 0x7C RESERVED */
+	fprintf(stdout, "\n");
+
+	fprintf(stdout, "LAN9420 MAC Control & Status Registers\n");
+	fprintf(stdout, "offset 0x80, MAC_CR          = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x84, ADDRH           = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x88, ADDRL           = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x8C, HASHH           = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x90, HASHL           = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x94, MIIADDR         = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x98, MIIDATA         = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0x9C, FLOW            = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xA0, VLAN1           = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xA4, VLAN2           = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xA8, WUFF            = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xAC, WUCSR           = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xB0, COE_CR          = 0x%08X\n",*smsc_reg++);
+	smsc_reg += 3; /* 0xB4 - 0xBC RESERVED */
+	fprintf(stdout, "\n");
+
+	fprintf(stdout, "LAN9420 System Control & Status Registers\n");
+	fprintf(stdout, "offset 0xC0, ID_REV          = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xC4, INT_CTL         = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xC8, INT_STS         = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xCC, INT_CFG         = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xD0, GPIO_CFG        = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xD4, GPT_CFG         = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xD8, GPT_CNT         = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xDC, BUS_CFG         = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xE0, PMT_CTRL        = 0x%08X\n",*smsc_reg++);
+	smsc_reg += 4; /* 0xE4 - 0xF0 RESERVED */
+	fprintf(stdout, "offset 0xF4, FREE_RUN        = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xF8, E2P_CMD         = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "offset 0xFC, E2P_DATA        = 0x%08X\n",*smsc_reg++);
+	fprintf(stdout, "\n");
+
+	fprintf(stdout, "PHY Registers\n");
+	fprintf(stdout, "index 0, Basic Control Reg = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 1, Basic Status Reg  = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 2, PHY identifier 1  = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 3, PHY identifier 2  = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 4, Auto Negotiation Advertisement Reg = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 5, Auto Negotiation Link Partner Ability Reg = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 6, Auto Negotiation Expansion Register = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 7, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 8, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 9, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 10, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 11, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 12, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 13, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 14, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 15, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 16, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 17, Mode Control/Status Reg = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 18, Special Modes = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 19, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 20, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 21, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 22, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 23, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 24, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 25, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 26, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 27, Control/Status Indication = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 28, Reserved = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 29, Interrupt Source Register = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 30, Interrupt Mask Register = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "index 31, PHY Special Control/Status Register = 0x%04X\n",*smsc_reg++);
+	fprintf(stdout, "\n");
+
+	return 0;
+}
+
-- 
1.7.10.4

             reply	other threads:[~2012-12-18  9:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-18  9:34 Steve Glendinning [this message]
2013-01-22 20:43 ` [PATCH] ethtool: add register dump support for SMSC LAN9420 Ben Hutchings
  -- strict thread matches above, loose matches on Subject: below --
2008-12-12  8:57 Steve Glendinning

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