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[src/trunk]: src/sys/dev/pci minor fix for earlier sync with OpenBSD if_msk.c...



details:   https://anonhg.NetBSD.org/src/rev/3ddf9c341de1
branches:  trunk
changeset: 324567:3ddf9c341de1
user:      jdolecek <jdolecek%NetBSD.org@localhost>
date:      Tue Jul 10 18:43:20 2018 +0000

description:
minor fix for earlier sync with OpenBSD if_msk.c; remove duplicit
COMA handling, add also workaround code for Yukon EC Ultra and EX, and
remove a write-only assignment

diffstat:

 sys/dev/pci/if_msk.c |  20 +++++++++++---------
 1 files changed, 11 insertions(+), 9 deletions(-)

diffs (55 lines):

diff -r 51955dabc31d -r 3ddf9c341de1 sys/dev/pci/if_msk.c
--- a/sys/dev/pci/if_msk.c      Tue Jul 10 18:42:37 2018 +0000
+++ b/sys/dev/pci/if_msk.c      Tue Jul 10 18:43:20 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_msk.c,v 1.73 2018/07/10 18:34:42 jdolecek Exp $ */
+/* $NetBSD: if_msk.c,v 1.74 2018/07/10 18:43:20 jdolecek Exp $ */
 /*     $OpenBSD: if_msk.c,v 1.79 2009/10/15 17:54:56 deraadt Exp $     */
 
 /*
@@ -52,7 +52,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_msk.c,v 1.73 2018/07/10 18:34:42 jdolecek Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_msk.c,v 1.74 2018/07/10 18:43:20 jdolecek Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -837,12 +837,6 @@
        CSR_WRITE_1(sc, SK_CSR, SK_CSR_MASTER_UNRESET);
        sk_win_write_1(sc, SK_TESTCTL1, 2);
 
-       reg1 = sk_win_read_4(sc, SK_Y2_PCI_REG(SK_PCI_OURREG1));
-       if (sc->sk_type == SK_YUKON_XL && sc->sk_rev > SK_YUKON_XL_REV_A1)
-               reg1 |= (SK_Y2_REG1_PHY1_COMA | SK_Y2_REG1_PHY2_COMA);
-       else
-               reg1 &= ~(SK_Y2_REG1_PHY1_COMA | SK_Y2_REG1_PHY2_COMA);
-
        if (sc->sk_type == SK_YUKON_EC_U || sc->sk_type == SK_YUKON_EX ||
            sc->sk_type >= SK_YUKON_FE_P) {
                uint32_t our;
@@ -860,6 +854,15 @@
                sk_win_write_4(sc, SK_Y2_PCI_REG(SK_PCI_OURREG4), our);
                /* Set to default value */
                sk_win_write_4(sc, SK_Y2_PCI_REG(SK_PCI_OURREG5), 0);
+
+               /*
+                * Disable status race, workaround for Yukon EC Ultra &
+                * Yukon EX.
+                */
+               reg1 = sk_win_read_4(sc, SK_GPIO);
+               reg1 |= SK_Y2_GPIO_STAT_RACE_DIS;
+               sk_win_write_4(sc, SK_GPIO, reg1);
+               sk_win_read_4(sc, SK_GPIO);
        }
 
        /* release PHY from PowerDown/Coma mode. */
@@ -963,7 +966,6 @@
        bus_dmamap_sync(sc->sc_dmatag, sc->sk_status_map, 0,
            sc->sk_status_map->dm_mapsize, BUS_DMASYNC_PREREAD);
        sc->sk_status_idx = 0;
-       sc->sk_status_own_idx = 0;
 
        sk_win_write_4(sc, SK_STAT_BMU_CSR, SK_STAT_BMU_RESET);
        sk_win_write_4(sc, SK_STAT_BMU_CSR, SK_STAT_BMU_UNRESET);



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