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- Add workaround for 82574 Errata 25 and 82583 Errata 12 "Dropped RX packets" 

and for 82573 (unknown). Set GCR_L1_ACT_WITHOUT_L0S_RX bit. The NVM Image
  version 2.1.4 and newer have this workaround.
- Print the NVM image version on 82583, too.

 Pointed out by joerg@.
This commit is contained in:
msaitoh 2015-09-30 04:28:04 +00:00
parent 4f5bd10ca4
commit acd3bf9e12
2 changed files with 20 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
sys/dev/pci/if_wm.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_wm.c,v 1.349 2015/09/28 07:02:57 knakahara Exp $ */
/* $NetBSD: if_wm.c,v 1.350 2015/09/30 04:28:04 msaitoh Exp $ */
/*
* Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@ -83,7 +83,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.349 2015/09/28 07:02:57 knakahara Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.350 2015/09/30 04:28:04 msaitoh Exp $");
#ifdef _KERNEL_OPT
#include "opt_net_mpsafe.h"
@ -334,6 +334,7 @@ struct wm_softc {
int sc_nvm_ver_major;
int sc_nvm_ver_minor;
int sc_nvm_ver_build;
int sc_nvm_addrbits; /* NVM address bits */
unsigned int sc_nvm_wordsize; /* NVM word size */
int sc_ich8_flash_base;
@ -3580,6 +3581,17 @@ wm_initialize_hardware_bits(struct wm_softc *sc)
CSR_WRITE(sc, WMREG_CTRL, sc->sc_ctrl);
/* PCIe Control Register */
/*
* 82573 Errata (unknown).
*
* 82574 Errata 25 and 82583 Errata 12
* "Dropped Rx Packets":
* NVM Image Version 2.1.4 and newer has no this bug.
*/
reg = CSR_READ(sc, WMREG_GCR);
reg |= GCR_L1_ACT_WITHOUT_L0S_RX;
CSR_WRITE(sc, WMREG_GCR, reg);
if ((sc->sc_type == WM_T_82574)
|| (sc->sc_type == WM_T_82583)) {
/*
@ -9822,6 +9834,7 @@ wm_nvm_version(struct wm_softc *sc)
case WM_T_82571:
case WM_T_82572:
case WM_T_82574:
case WM_T_82583:
check_version = true;
check_optionrom = true;
have_build = true;
@ -9867,8 +9880,10 @@ wm_nvm_version(struct wm_softc *sc)
printver:
aprint_verbose(", version %d.%d", sc->sc_nvm_ver_major,
sc->sc_nvm_ver_minor);
if (have_build)
if (have_build) {
sc->sc_nvm_ver_build = build;
aprint_verbose(".%d", build);
}
}
if (check_optionrom) {
wm_nvm_read(sc, NVM_OFF_COMB_VER_PTR, 1, &off);

3
sys/dev/pci/if_wmreg.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_wmreg.h,v 1.79 2015/09/07 15:19:05 msaitoh Exp $ */
/* $NetBSD: if_wmreg.h,v 1.80 2015/09/30 04:28:04 msaitoh Exp $ */
/*
* Copyright (c) 2001 Wasabi Systems, Inc.
@ -918,6 +918,7 @@ struct livengood_tcpip_ctxdesc {
#define GCR_CMPL_TMOUT_10MS 0x00001000
#define GCR_CMPL_TMOUT_RESEND 0x00010000
#define GCR_CAP_VER2 0x00040000
#define GCR_L1_ACT_WITHOUT_L0S_RX 0x08000000
#define WMREG_FACTPS 0x5b30 /* Function Active and Power State to MNG */
#define FACTPS_MNGCG 0x20000000