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Message-ID: <20220714095206.168187-1-Raju.Lakkaraju@microchip.com>
Date: Thu, 14 Jul 2022 15:22:06 +0530
From: Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
To: <netdev@...r.kernel.org>
CC: <davem@...emloft.net>, <mkubecek@...e.cz>,
<UNGLinuxDriver@...rochip.com>
Subject: [PATCH ethtool] ethtool: add register dump support for lan743x chiptes
Add LAN743x register dump
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
---
Makefile.am | 2 +-
ethtool.c | 1 +
internal.h | 3 +++
lan743x.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 78 insertions(+), 1 deletion(-)
create mode 100644 lan743x.c
diff --git a/Makefile.am b/Makefile.am
index dc5fbec..b90bb9b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -18,7 +18,7 @@ ethtool_SOURCES += \
smsc911x.c at76c50x-usb.c sfc.c stmmac.c \
sff-common.c sff-common.h sfpid.c sfpdiag.c \
ixgbevf.c tse.c vmxnet3.c qsfp.c qsfp.h fjes.c lan78xx.c \
- igc.c cmis.c cmis.h bnxt.c
+ igc.c cmis.c cmis.h bnxt.c lan743x.c
endif
if ENABLE_BASH_COMPLETION
diff --git a/ethtool.c b/ethtool.c
index 911f26b..0eff9da 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -1129,6 +1129,7 @@ static const struct {
{ "fec", fec_dump_regs },
{ "igc", igc_dump_regs },
{ "bnxt_en", bnxt_dump_regs },
+ { "lan743x", lan743x_dump_regs },
};
#endif
diff --git a/internal.h b/internal.h
index 0d9d816..54ae4c6 100644
--- a/internal.h
+++ b/internal.h
@@ -412,4 +412,7 @@ int igc_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
/* Broadcom Ethernet Controller */
int bnxt_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+/* Microchip Ethernet Controller */
+int lan743x_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+
#endif /* ETHTOOL_INTERNAL_H__ */
diff --git a/lan743x.c b/lan743x.c
new file mode 100644
index 0000000..f430ee8
--- /dev/null
+++ b/lan743x.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries. */
+
+#include <stdio.h>
+#include <string.h>
+#include "internal.h"
+
+#define LAN743X_ETH_REG_VERSION 1
+
+enum {
+ ETH_PRIV_FLAGS,
+ ETH_ID_REV,
+ ETH_FPGA_REV,
+ ETH_STRAP_READ,
+ ETH_INT_STS,
+ ETH_HW_CFG,
+ ETH_PMT_CTL,
+ ETH_E2P_CMD,
+ ETH_E2P_DATA,
+ ETH_MAC_CR,
+ ETH_MAC_RX,
+ ETH_MAC_TX,
+ ETH_FLOW,
+ ETH_MII_ACC,
+ ETH_MII_DATA,
+ ETH_EEE_TX_LPI_REQ_DLY,
+ ETH_WUCSR,
+ ETH_WK_SRC,
+
+ /* Add new registers above */
+ MAX_LAN743X_ETH_REGS
+};
+
+void lan743x_comm_dump_regs(struct ethtool_drvinfo *info __maybe_unused,
+ struct ethtool_regs *regs)
+{
+ u32 *lan743x_reg = (u32 *)regs->data;
+
+ fprintf(stdout, "LAN743x Registers:\n");
+ fprintf(stdout, "------------------\n");
+ fprintf(stdout, "CHIP_ID_REV = 0x%08X\n", lan743x_reg[ETH_ID_REV]);
+ fprintf(stdout, "FPGA_REV = 0x%08X\n", lan743x_reg[ETH_FPGA_REV]);
+ fprintf(stdout, "STRAP_READ = 0x%08X\n", lan743x_reg[ETH_STRAP_READ]);
+ fprintf(stdout, "INT_STS = 0x%08X\n", lan743x_reg[ETH_INT_STS]);
+ fprintf(stdout, "HW_CFG = 0x%08X\n", lan743x_reg[ETH_HW_CFG]);
+ fprintf(stdout, "PMT_CTRL = 0x%08X\n", lan743x_reg[ETH_PMT_CTL]);
+ fprintf(stdout, "E2P_CMD = 0x%08X\n", lan743x_reg[ETH_E2P_CMD]);
+ fprintf(stdout, "E2P_DATA = 0x%08X\n", lan743x_reg[ETH_E2P_DATA]);
+ fprintf(stdout, "\n");
+
+ fprintf(stdout, "MAC Registers:\n");
+ fprintf(stdout, "--------------\n");
+ fprintf(stdout, "MAC_CR = 0x%08X\n", lan743x_reg[ETH_MAC_CR]);
+ fprintf(stdout, "MAC_RX = 0x%08X\n", lan743x_reg[ETH_MAC_RX]);
+ fprintf(stdout, "MAC_TX = 0x%08X\n", lan743x_reg[ETH_MAC_TX]);
+ fprintf(stdout, "FLOW = 0x%08X\n", lan743x_reg[ETH_FLOW]);
+ fprintf(stdout, "MII_ACC = 0x%08X\n", lan743x_reg[ETH_MII_ACC]);
+ fprintf(stdout, "MII_DATA = 0x%08X\n", lan743x_reg[ETH_MII_DATA]);
+ fprintf(stdout, "WUCSR = 0x%08X\n", lan743x_reg[ETH_WUCSR]);
+ fprintf(stdout, "WK_SRC = 0x%08X\n", lan743x_reg[ETH_WK_SRC]);
+ fprintf(stdout, "EEE_TX_LPI_REQ_DLY = 0x%08X\n",
+ lan743x_reg[ETH_EEE_TX_LPI_REQ_DLY]);
+ fprintf(stdout, "\n");
+}
+
+int lan743x_dump_regs(struct ethtool_drvinfo *info __maybe_unused,
+ struct ethtool_regs *regs)
+{
+
+ lan743x_comm_dump_regs(info, regs);
+
+ return 0;
+}
--
2.25.1
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