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-rw-r--r--sys/dev/pci/if_age.c209
-rw-r--r--sys/dev/pci/if_agereg.h5
2 files changed, 94 insertions, 120 deletions
diff --git a/sys/dev/pci/if_age.c b/sys/dev/pci/if_age.c
index fe0ac4ff0f0..523c8d2d799 100644
--- a/sys/dev/pci/if_age.c
+++ b/sys/dev/pci/if_age.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_age.c,v 1.5 2009/07/28 02:40:53 kevlo Exp $ */
+/* $OpenBSD: if_age.c,v 1.6 2009/07/28 13:53:56 kevlo Exp $ */
/*-
* Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org>
@@ -93,7 +93,6 @@ void age_mediastatus(struct ifnet *, struct ifmediareq *);
int age_mediachange(struct ifnet *);
int age_intr(void *);
-int age_read_vpd_word(struct age_softc *, uint32_t, uint32_t, uint32_t *);
int age_dma_alloc(struct age_softc *);
void age_dma_free(struct age_softc *);
void age_get_macaddr(struct age_softc *);
@@ -526,38 +525,11 @@ back:
return (1);
}
-int
-age_read_vpd_word(struct age_softc *sc, uint32_t vpdc, uint32_t offset,
- uint32_t *word)
-{
- int i;
- pcireg_t rv;
-
- pci_conf_write(sc->sc_pct, sc->sc_pcitag, PCI_VPD_ADDRESS(vpdc),
- offset << PCI_VPD_ADDRESS_SHIFT);
-
- for (i = AGE_TIMEOUT; i > 0; i--) {
- DELAY(10);
- rv = pci_conf_read(sc->sc_pct, sc->sc_pcitag,
- PCI_VPD_ADDRESS(vpdc));
- if ((rv & PCI_VPD_OPFLAG) == PCI_VPD_OPFLAG)
- break;
- }
- if (i == 0) {
- printf("%s: VPD read timeout!\n", sc->sc_dev.dv_xname);
- *word = 0;
- return (ETIMEDOUT);
- }
-
- *word = pci_conf_read(sc->sc_pct, sc->sc_pcitag, PCI_VPD_DATAREG(vpdc));
- return (0);
-}
-
void
age_get_macaddr(struct age_softc *sc)
{
- uint32_t ea[2], off, reg, word;
- int vpd_error, match, vpdc;
+ uint32_t ea[2], reg;
+ int i, vpdc;
reg = CSR_READ_4(sc, AGE_SPI_CTRL);
if ((reg & SPI_VPD_ENB) != 0) {
@@ -566,94 +538,31 @@ age_get_macaddr(struct age_softc *sc)
CSR_WRITE_4(sc, AGE_SPI_CTRL, reg);
}
- vpd_error = 0;
- ea[0] = ea[1] = 0;
- if ((vpd_error = pci_get_capability(sc->sc_pct, sc->sc_pcitag,
- PCI_CAP_VPD, &vpdc, NULL))) {
+ if (pci_get_capability(sc->sc_pct, sc->sc_pcitag,
+ PCI_CAP_VPD, &vpdc, NULL)) {
/*
- * PCI VPD capability exists, but it seems that it's
- * not in the standard form as stated in PCI VPD
- * specification such that driver could not use
- * pci_get_vpd_readonly(9) with keyword 'NA'.
- * Search VPD data starting at address 0x0100. The data
- * should be used as initializers to set AGE_PAR0,
- * AGE_PAR1 register including other PCI configuration
- * registers.
+ * PCI VPD capability found, let TWSI reload EEPROM.
+ * This will set Ethernet address of controller.
*/
- word = 0;
- match = 0;
- reg = 0;
- for (off = AGE_VPD_REG_CONF_START; off < AGE_VPD_REG_CONF_END;
- off += sizeof(uint32_t)) {
- vpd_error = age_read_vpd_word(sc, vpdc, off, &word);
- if (vpd_error != 0)
- break;
- if (match != 0) {
- switch (reg) {
- case AGE_PAR0:
- ea[0] = word;
- break;
- case AGE_PAR1:
- ea[1] = word;
- break;
- default:
- break;
- }
- match = 0;
- } else if ((word & 0xFF) == AGE_VPD_REG_CONF_SIG) {
- match = 1;
- reg = word >> 16;
- } else
+ CSR_WRITE_4(sc, AGE_TWSI_CTRL, CSR_READ_4(sc, AGE_TWSI_CTRL) |
+ TWSI_CTRL_SW_LD_START);
+ for (i = 100; i > 0; i--) {
+ DELAY(1000);
+ reg = CSR_READ_4(sc, AGE_TWSI_CTRL);
+ if ((reg & TWSI_CTRL_SW_LD_START) == 0)
break;
}
- if (off >= AGE_VPD_REG_CONF_END)
- vpd_error = ENOENT;
- if (vpd_error == 0) {
- /*
- * Don't blindly trust ethernet address obtained
- * from VPD. Check whether ethernet address is
- * valid one. Otherwise fall-back to reading
- * PAR register.
- */
- ea[1] &= 0xFFFF;
- if ((ea[0] == 0 && ea[1] == 0) ||
- (ea[0] == 0xFFFFFFFF && ea[1] == 0xFFFF)) {
- if (agedebug)
- printf("%s: invalid ethernet address "
- "returned from VPD.\n",
- sc->sc_dev.dv_xname);
- vpd_error = EINVAL;
- }
- }
- if (vpd_error != 0 && (agedebug))
- printf("%s: VPD access failure!\n",
- sc->sc_dev.dv_xname);
+ if (i == 0)
+ printf("%s: reloading EEPROM timeout!\n",
+ sc->sc_dev.dv_xname);
} else {
if (agedebug)
printf("%s: PCI VPD capability not found!\n",
sc->sc_dev.dv_xname);
}
- /*
- * It seems that L1 also provides a way to extract ethernet
- * address via SPI flash interface. Because SPI flash memory
- * device of different vendors vary in their instruction
- * codes for read ID instruction, it's very hard to get
- * instructions codes without detailed information for the
- * flash memory device used on ethernet controller. To simplify
- * code, just read AGE_PAR0/AGE_PAR1 register to get ethernet
- * address which is supposed to be set by hardware during
- * power on reset.
- */
- if (vpd_error != 0) {
- /*
- * VPD is mapped to SPI flash memory or BIOS set it.
- */
- ea[0] = CSR_READ_4(sc, AGE_PAR0);
- ea[1] = CSR_READ_4(sc, AGE_PAR1);
- }
-
- ea[1] &= 0xFFFF;
+ ea[0] = CSR_READ_4(sc, AGE_PAR0);
+ ea[1] = CSR_READ_4(sc, AGE_PAR1);
sc->age_eaddr[0] = (ea[1] >> 8) & 0xFF;
sc->age_eaddr[1] = (ea[1] >> 0) & 0xFF;
sc->age_eaddr[2] = (ea[0] >> 24) & 0xFF;
@@ -665,11 +574,79 @@ age_get_macaddr(struct age_softc *sc)
void
age_phy_reset(struct age_softc *sc)
{
+ uint16_t reg, pn;
+ int i, linkup;
+
/* Reset PHY. */
CSR_WRITE_4(sc, AGE_GPHY_CTRL, GPHY_CTRL_RST);
- DELAY(1000);
+ DELAY(2000);
CSR_WRITE_4(sc, AGE_GPHY_CTRL, GPHY_CTRL_CLR);
- DELAY(1000);
+ DELAY(2000);
+
+#define ATPHY_DBG_ADDR 0x1D
+#define ATPHY_DBG_DATA 0x1E
+#define ATPHY_CDTC 0x16
+#define PHY_CDTC_ENB 0x0001
+#define PHY_CDTC_POFF 8
+#define ATPHY_CDTS 0x1C
+#define PHY_CDTS_STAT_OK 0x0000
+#define PHY_CDTS_STAT_SHORT 0x0100
+#define PHY_CDTS_STAT_OPEN 0x0200
+#define PHY_CDTS_STAT_INVAL 0x0300
+#define PHY_CDTS_STAT_MASK 0x0300
+
+ /* Check power saving mode. Magic from Linux. */
+ age_miibus_writereg(&sc->sc_dev, sc->age_phyaddr, MII_BMCR, BMCR_RESET);
+ for (linkup = 0, pn = 0; pn < 4; pn++) {
+ age_miibus_writereg(&sc->sc_dev, sc->age_phyaddr, ATPHY_CDTC,
+ (pn << PHY_CDTC_POFF) | PHY_CDTC_ENB);
+ for (i = 200; i > 0; i--) {
+ DELAY(1000);
+ reg = age_miibus_readreg(&sc->sc_dev, sc->age_phyaddr,
+ ATPHY_CDTC);
+ if ((reg & PHY_CDTC_ENB) == 0)
+ break;
+ }
+ DELAY(1000);
+ reg = age_miibus_readreg(&sc->sc_dev, sc->age_phyaddr,
+ ATPHY_CDTS);
+ if ((reg & PHY_CDTS_STAT_MASK) != PHY_CDTS_STAT_OPEN) {
+ linkup++;
+ break;
+ }
+ }
+ age_miibus_writereg(&sc->sc_dev, sc->age_phyaddr, MII_BMCR,
+ BMCR_RESET | BMCR_AUTOEN | BMCR_STARTNEG);
+ if (linkup == 0) {
+ age_miibus_writereg(&sc->sc_dev, sc->age_phyaddr,
+ ATPHY_DBG_ADDR, 0);
+ age_miibus_writereg(&sc->sc_dev, sc->age_phyaddr,
+ ATPHY_DBG_DATA, 0x124E);
+ age_miibus_writereg(&sc->sc_dev, sc->age_phyaddr,
+ ATPHY_DBG_ADDR, 1);
+ reg = age_miibus_readreg(&sc->sc_dev, sc->age_phyaddr,
+ ATPHY_DBG_DATA);
+ age_miibus_writereg(&sc->sc_dev, sc->age_phyaddr,
+ ATPHY_DBG_DATA, reg | 0x03);
+ /* XXX */
+ DELAY(1500 * 1000);
+ age_miibus_writereg(&sc->sc_dev, sc->age_phyaddr,
+ ATPHY_DBG_ADDR, 0);
+ age_miibus_writereg(&sc->sc_dev, sc->age_phyaddr,
+ ATPHY_DBG_DATA, 0x024E);
+ }
+
+#undef ATPHY_DBG_ADDR
+#undef ATPHY_DBG_DATA
+#undef ATPHY_CDTC
+#undef PHY_CDTC_ENB
+#undef PHY_CDTC_POFF
+#undef ATPHY_CDTS
+#undef PHY_CDTS_STAT_OK
+#undef PHY_CDTS_STAT_SHORT
+#undef PHY_CDTS_STAT_OPEN
+#undef PHY_CDTS_STAT_INVAL
+#undef PHY_CDTS_STAT_MASK
}
int
@@ -1588,14 +1565,8 @@ age_reset(struct age_softc *sc)
int i;
CSR_WRITE_4(sc, AGE_MASTER_CFG, MASTER_RESET);
- for (i = AGE_RESET_TIMEOUT; i > 0; i--) {
- DELAY(1);
- if ((CSR_READ_4(sc, AGE_MASTER_CFG) & MASTER_RESET) == 0)
- break;
- }
- if (i == 0)
- printf("%s: master reset timeout!\n", sc->sc_dev.dv_xname);
-
+ CSR_READ_4(sc, AGE_MASTER_CFG);
+ DELAY(1000);
for (i = AGE_RESET_TIMEOUT; i > 0; i--) {
if ((reg = CSR_READ_4(sc, AGE_IDLE_STATUS)) == 0)
break;
diff --git a/sys/dev/pci/if_agereg.h b/sys/dev/pci/if_agereg.h
index 0ac2616fa82..e3dcf0829ef 100644
--- a/sys/dev/pci/if_agereg.h
+++ b/sys/dev/pci/if_agereg.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_agereg.h,v 1.2 2009/02/23 01:38:37 kevlo Exp $ */
+/* $OpenBSD: if_agereg.h,v 1.3 2009/07/28 13:53:56 kevlo Exp $ */
/*-
* Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org>
@@ -95,6 +95,9 @@
#define AGE_SPI_OP_READ 0x217 /* 8bits */
#define AGE_TWSI_CTRL 0x218
+#define TWSI_CTRL_SW_LD_START 0x00000800
+#define TWSI_CTRL_HW_LD_START 0x00001000
+#define TWSI_CTRL_LD_EXIST 0x00400000
#define AGE_DEV_MISC_CTRL 0x21C