[PATCH] Ethtool support for the new PowerPC 4xx on-chip ethernet controller driver
Eugene Surovegin
ebs at ebshome.net
Wed Aug 31 16:24:16 EST 2005
Jeff,
this patch adds PPC4xx EMAC support to Ethtool. Patch was generated
against your Ethtool BK repo - I haven't found anything more recent.
Let me know if you have gkernel GIT repository somewhere and I'll redo
the patch if needed.
Signed-off-by: Eugene Surovegin <ebs at ebshome.net>
diff -Nru a/Makefile.am b/Makefile.am
--- a/Makefile.am 2005-03-23 01:20:59 -08:00
+++ b/Makefile.am 2005-03-23 01:20:59 -08:00
@@ -6,7 +6,7 @@
sbin_PROGRAMS = ethtool
ethtool_SOURCES = de2104x.c ethtool.c ethtool-copy.h ethtool-util.h natsemi.c \
e1000.c realtek.c e100.c tg3.c amd8111e.c pcnet32.c \
- fec_8xx.c ixgb.c skge.c
+ fec_8xx.c ibm_emac.c ixgb.c skge.c
dist-hook:
cp $(top_srcdir)/ethtool.spec $(distdir)
diff -Nru a/ethtool-util.h b/ethtool-util.h
--- a/ethtool-util.h 2005-03-23 01:20:59 -08:00
+++ b/ethtool-util.h 2005-03-23 01:20:59 -08:00
@@ -45,4 +45,7 @@
/* SysKonnect Gigabit Yukon Family */
int skge_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+/* PowerPC 4xx on-chip Ethernet controller */
+int ibm_emac_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+
#endif
diff -Nru a/ethtool.c b/ethtool.c
--- a/ethtool.c 2005-03-23 01:20:59 -08:00
+++ b/ethtool.c 2005-03-23 01:20:59 -08:00
@@ -1015,6 +1015,7 @@
{ "fec_8xx", fec_8xx_dump_regs },
{ "ixgb", ixgb_dump_regs },
{ "skge", skge_dump_regs },
+ { "ibm_emac", ibm_emac_dump_regs },
};
static int dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
diff -Nru a/ibm_emac.c b/ibm_emac.c
--- /dev/null Wed Dec 31 16:00:00 196900
+++ b/ibm_emac.c 2005-03-23 01:20:59 -08:00
@@ -0,0 +1,244 @@
+/*
+ * Copyright (c) 2004, 2005 Zultys Technologies
+ * Eugene Surovegin <eugene.surovegin at zultys.com> or <ebs at ebshome.net>
+ */
+#include <stdio.h>
+#include <stdint.h>
+#include <stddef.h>
+
+#include "ethtool-util.h"
+
+/* Ethtool get_regs complex data.
+ * we want to get not just EMAC registers, but also MAL, ZMII, RGMII, TAH
+ * when available.
+ *
+ * Returned BLOB consists of the ibm_emac_ethtool_regs_hdr,
+ * MAL registers, EMAC registers and optional ZMII, RGMII, TAH registers.
+ * Each register component is preceded with emac_ethtool_regs_subhdr.
+ * Order of the optional headers follows their relative bit posititions
+ * in emac_ethtool_regs_hdr.components
+ */
+#define EMAC_ETHTOOL_REGS_ZMII 0x00000001
+#define EMAC_ETHTOOL_REGS_RGMII 0x00000002
+#define EMAC_ETHTOOL_REGS_TAH 0x00000004
+
+struct emac_ethtool_regs_hdr {
+ u32 components;
+};
+
+struct emac_ethtool_regs_subhdr {
+ u32 version;
+ u32 index;
+};
+
+struct emac_regs {
+ u32 mr0;
+ u32 mr1;
+ u32 tmr0;
+ u32 tmr1;
+ u32 rmr;
+ u32 isr;
+ u32 iser;
+ u32 iahr;
+ u32 ialr;
+ u32 vtpid;
+ u32 vtci;
+ u32 ptr;
+ u32 iaht1;
+ u32 iaht2;
+ u32 iaht3;
+ u32 iaht4;
+ u32 gaht1;
+ u32 gaht2;
+ u32 gaht3;
+ u32 gaht4;
+ u32 lsah;
+ u32 lsal;
+ u32 ipgvr;
+ u32 stacr;
+ u32 trtr;
+ u32 rwmr;
+ u32 octx;
+ u32 ocrx;
+ u32 ipcr;
+};
+
+struct mal_regs {
+ u32 tx_count;
+ u32 rx_count;
+
+ u32 cfg;
+ u32 esr;
+ u32 ier;
+ u32 tx_casr;
+ u32 tx_carr;
+ u32 tx_eobisr;
+ u32 tx_deir;
+ u32 rx_casr;
+ u32 rx_carr;
+ u32 rx_eobisr;
+ u32 rx_deir;
+ u32 tx_ctpr[32];
+ u32 rx_ctpr[32];
+ u32 rcbs[32];
+};
+
+struct zmii_regs {
+ u32 fer;
+ u32 ssr;
+ u32 smiisr;
+};
+
+struct rgmii_regs {
+ u32 fer;
+ u32 ssr;
+};
+
+struct tah_regs {
+ u32 revid;
+ u32 pad[3];
+ u32 mr;
+ u32 ssr0;
+ u32 ssr1;
+ u32 ssr2;
+ u32 ssr3;
+ u32 ssr4;
+ u32 ssr5;
+ u32 tsr;
+};
+
+static void *print_emac_regs(void *buf)
+{
+ struct emac_ethtool_regs_subhdr *hdr = buf;
+ struct emac_regs *p = (struct emac_regs *)(hdr + 1);
+ void *res = p + 1;
+
+ printf("EMAC%d Registers\n", hdr->index);
+ printf("-----------------\n");
+ printf("MR0 = 0x%08x MR1 = 0x%08x RMR = 0x%08x\n"
+ "ISR = 0x%08x ISER = 0x%08x\n"
+ "TMR0 = 0x%08x TMR1 = 0x%08x\n"
+ "TRTR = 0x%08x RWMR = 0x%08x\n"
+ "IAR = %04x%08x\n"
+ "LSA = %04x%08x\n"
+ "IAHT = 0x%04x 0x%04x 0x%04x 0x%04x\n"
+ "GAHT = 0x%04x 0x%04x 0x%04x 0x%04x\n"
+ "VTPID = 0x%04x VTCI = 0x%04x\n"
+ "IPGVR = 0x%04x STACR = 0x%08x\n"
+ "OCTX = 0x%08x OCRX = 0x%08x\n",
+ p->mr0, p->mr1, p->rmr,
+ p->isr, p->iser,
+ p->tmr0, p->tmr1,
+ p->trtr, p->rwmr,
+ p->iahr, p->ialr,
+ p->lsah, p->lsal,
+ p->iaht1, p->iaht2, p->iaht3, p->iaht4,
+ p->gaht1, p->gaht2, p->gaht3, p->gaht4,
+ p->vtpid, p->vtci, p->ipgvr, p->stacr, p->octx, p->ocrx);
+
+ if (hdr->version)
+ printf(" IPCR = 0x%08x\n\n", p->ipcr);
+ else {
+ printf("\n\n");
+ res -= sizeof(u32);
+ }
+ return res;
+}
+
+static void *print_mal_regs(void *buf)
+{
+ struct emac_ethtool_regs_subhdr *hdr = buf;
+ struct mal_regs *p = (struct mal_regs *)(hdr + 1);
+ int i;
+
+ printf("MAL%d Registers\n", hdr->index);
+ printf("-----------------\n");
+ printf("CFG = 0x%08x ESR = 0x%08x IER = 0x%08x\n"
+ "TX|CASR = 0x%08x CARR = 0x%08x EOBISR = 0x%08x DEIR = 0x%08x\n"
+ "RX|CASR = 0x%08x CARR = 0x%08x EOBISR = 0x%08x DEIR = 0x%08x\n",
+ p->cfg, p->esr, p->ier,
+ p->tx_casr, p->tx_carr, p->tx_eobisr, p->tx_deir,
+ p->rx_casr, p->rx_carr, p->rx_eobisr, p->rx_deir);
+
+ printf("TX|");
+ for (i = 0; i < p->tx_count; ++i) {
+ if (i && !(i % 4))
+ printf("\n ");
+ printf("CTP%d = 0x%08x ", i, p->tx_ctpr[i]);
+ }
+ printf("\nRX|");
+ for (i = 0; i < p->rx_count; ++i) {
+ if (i && !(i % 4))
+ printf("\n ");
+ printf("CTP%d = 0x%08x ", i, p->rx_ctpr[i]);
+ }
+ printf("\n ");
+ for (i = 0; i < p->rx_count; ++i) {
+ u32 r = p->rcbs[i];
+ if (i && !(i % 3))
+ printf("\n ");
+ printf("RCBS%d = 0x%08x (%d) ", i, r, r * 16);
+ }
+ printf("\n\n");
+ return p + 1;
+}
+
+static void *print_zmii_regs(void *buf)
+{
+ struct emac_ethtool_regs_subhdr *hdr = buf;
+ struct zmii_regs *p = (struct zmii_regs *)(hdr + 1);
+
+ printf("ZMII%d Registers\n", hdr->index);
+ printf("-----------------\n");
+ printf("FER = %08x SSR = %08x\n"
+ "SMIISR = %08x\n\n", p->fer, p->ssr, p->smiisr);
+
+ return p + 1;
+}
+
+static void *print_rgmii_regs(void *buf)
+{
+ struct emac_ethtool_regs_subhdr *hdr = buf;
+ struct rgmii_regs *p = (struct rgmii_regs *)(hdr + 1);
+
+ printf("RGMII%d Registers\n", hdr->index);
+ printf("-----------------\n");
+ printf("FER = %08x SSR = %08x\n\n", p->fer, p->ssr);
+
+ return p + 1;
+}
+
+static void *print_tah_regs(void *buf)
+{
+ struct emac_ethtool_regs_subhdr *hdr = buf;
+ struct tah_regs *p = (struct tah_regs *)(hdr + 1);
+
+ printf("TAH%d Registers\n", hdr->index);
+ printf("-----------------\n");
+
+ printf("REVID = %08x MR = %08x TSR = %08x\n"
+ "SSR0 = %08x SSR1 = %08x SSR2 = %08x\n"
+ "SSR3 = %08x SSR4 = %08x SSR5 = %08x\n\n",
+ p->revid, p->mr, p->tsr,
+ p->ssr0, p->ssr1, p->ssr2, p->ssr3, p->ssr4, p->ssr5);
+
+ return p + 1;
+}
+
+int ibm_emac_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
+{
+ struct emac_ethtool_regs_hdr *hdr =
+ (struct emac_ethtool_regs_hdr *)regs->data;
+ void *buf = hdr + 1;
+
+ buf = print_mal_regs(buf);
+ buf = print_emac_regs(buf);
+ if (hdr->components & EMAC_ETHTOOL_REGS_ZMII)
+ buf = print_zmii_regs(buf);
+ if (hdr->components & EMAC_ETHTOOL_REGS_RGMII)
+ buf = print_rgmii_regs(buf);
+ if (hdr->components & EMAC_ETHTOOL_REGS_TAH)
+ print_tah_regs(buf);
+
+ return 0;
+}
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