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[src/trunk]: src/sys/dev/pci - Print Bridge Config Retry Enable bit and Retim...



details:   https://anonhg.NetBSD.org/src/rev/8d7bfe8a0ba9
branches:  trunk
changeset: 1006714:8d7bfe8a0ba9
user:      msaitoh <msaitoh%NetBSD.org@localhost>
date:      Sat Jan 25 07:59:14 2020 +0000

description:
- Print Bridge Config Retry Enable bit and Retimer Presence Detect Supported
  bit.
- Avoid using magic number.

diffstat:

 sys/dev/pci/pci_subr.c |  11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diffs (46 lines):

diff -r f656b64dda62 -r 8d7bfe8a0ba9 sys/dev/pci/pci_subr.c
--- a/sys/dev/pci/pci_subr.c    Sat Jan 25 07:57:48 2020 +0000
+++ b/sys/dev/pci/pci_subr.c    Sat Jan 25 07:59:14 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: pci_subr.c,v 1.219 2020/01/17 02:08:25 msaitoh Exp $   */
+/*     $NetBSD: pci_subr.c,v 1.220 2020/01/25 07:59:14 msaitoh Exp $   */
 
 /*
  * Copyright (c) 1997 Zubin D. Dittia.  All rights reserved.
@@ -40,7 +40,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pci_subr.c,v 1.219 2020/01/17 02:08:25 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pci_subr.c,v 1.220 2020/01/25 07:59:14 msaitoh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_pci.h"
@@ -1869,6 +1869,9 @@
        onoff("Enable No Snoop", reg, PCIE_DCSR_ENA_NO_SNOOP);
        printf("      Max Read Request Size: %d byte\n",
            128 << __SHIFTOUT(reg, PCIE_DCSR_MAX_READ_REQ));
+       if (pcie_devtype == PCIE_XCAP_TYPE_PCIE2PCI)
+               onoff("Bridge Config Retry Enable", reg,
+                   PCIE_DCSR_BRDG_CFG_RETRY);
 
        /* Device Status Register */
        reg = regs[o2i(capoff + PCIE_DCSR)];
@@ -2254,6 +2257,8 @@
                        pci_print_pcie_linkspeedvector(
                                __SHIFTOUT(reg, PCIE_LCAP2_LOWSKPOS_RECSUPPSV));
                        printf("\n");
+                       onoff("Retimer Presence Detect Supported", reg,
+                           PCIE_LCAP2_RETIMERPD);
                        onoff("DRS Supported", reg, PCIE_LCAP2_DRS);
                        drs_supported = (reg & PCIE_LCAP2_DRS) ? true : false;
                }
@@ -2273,7 +2278,7 @@
                        __SHIFTOUT(reg, PCIE_LCSR2_SEL_DEEMP));
                printf("\n");
                printf("      Transmit Margin: %u\n",
-                   (unsigned int)(reg & PCIE_LCSR2_TX_MARGIN) >> 7);
+                   (unsigned int)__SHIFTOUT(reg,  PCIE_LCSR2_TX_MARGIN));
                onoff("Enter Modified Compliance", reg, PCIE_LCSR2_EN_MCOMP);
                onoff("Compliance SOS", reg, PCIE_LCSR2_COMP_SOS);
                printf("      Compliance Present/De-emphasis: ");



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