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-rw-r--r--fec_8xx.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/fec_8xx.c b/fec_8xx.c
new file mode 100644
index 0000000..63352fc
--- /dev/null
+++ b/fec_8xx.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2004 Intracom S.A.
+ * Pantelis Antoniou <panto@intracom.gr>
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stddef.h>
+
+#include "internal.h"
+
+struct fec {
+ uint32_t addr_low; /* lower 32 bits of station address */
+ uint32_t addr_high; /* upper 16 bits of station address||0 */
+ uint32_t hash_table_high;/* upper 32-bits of hash table */
+ uint32_t hash_table_low; /* lower 32-bits of hash table */
+ uint32_t r_des_start; /* beginning of Rx descriptor ring */
+ uint32_t x_des_start; /* beginning of Tx descriptor ring */
+ uint32_t r_buff_size; /* Rx buffer size */
+ uint32_t res2[9]; /* reserved */
+ uint32_t ecntrl; /* ethernet control register */
+ uint32_t ievent; /* interrupt event register */
+ uint32_t imask; /* interrupt mask register */
+ uint32_t ivec; /* interrupt level and vector status */
+ uint32_t r_des_active; /* Rx ring updated flag */
+ uint32_t x_des_active; /* Tx ring updated flag */
+ uint32_t res3[10]; /* reserved */
+ uint32_t mii_data; /* MII data register */
+ uint32_t mii_speed; /* MII speed control register */
+ uint32_t res4[17]; /* reserved */
+ uint32_t r_bound; /* end of RAM (read-only) */
+ uint32_t r_fstart; /* Rx FIFO start address */
+ uint32_t res5[6]; /* reserved */
+ uint32_t x_fstart; /* Tx FIFO start address */
+ uint32_t res6[17]; /* reserved */
+ uint32_t fun_code; /* fec SDMA function code */
+ uint32_t res7[3]; /* reserved */
+ uint32_t r_cntrl; /* Rx control register */
+ uint32_t r_hash; /* Rx hash register */
+ uint32_t res8[14]; /* reserved */
+ uint32_t x_cntrl; /* Tx control register */
+ uint32_t res9[0x1e]; /* reserved */
+};
+
+#define DUMP_REG(f, x) fprintf(stdout, \
+ "0x%04lx: %-16s 0x%08x\n", \
+ (unsigned long)(offsetof(struct fec, x)), \
+ #x, f->x)
+
+int fec_8xx_dump_regs(struct ethtool_drvinfo *info __maybe_unused,
+ struct ethtool_regs *regs)
+{
+ struct fec *f = (struct fec *)regs->data;
+
+ fprintf(stdout, "Descriptor Registers\n");
+ fprintf(stdout, "---------------------\n");
+
+ DUMP_REG(f, addr_low);
+ DUMP_REG(f, addr_high);
+ DUMP_REG(f, hash_table_high);
+ DUMP_REG(f, hash_table_low);
+ DUMP_REG(f, r_des_start);
+ DUMP_REG(f, x_des_start);
+ DUMP_REG(f, r_buff_size);
+ DUMP_REG(f, ecntrl);
+ DUMP_REG(f, ievent);
+ DUMP_REG(f, imask);
+ DUMP_REG(f, ivec);
+ DUMP_REG(f, r_des_active);
+ DUMP_REG(f, x_des_active);
+ DUMP_REG(f, mii_data);
+ DUMP_REG(f, mii_speed);
+ DUMP_REG(f, r_bound);
+ DUMP_REG(f, r_fstart);
+ DUMP_REG(f, x_fstart);
+ DUMP_REG(f, fun_code);
+ DUMP_REG(f, r_cntrl);
+ DUMP_REG(f, r_hash);
+ DUMP_REG(f, x_cntrl);
+
+ return 0;
+}