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[src/trunk]: src/sys/dev/pci Set PCI_COMMAND_MASTER_ENABLE and PCI_COMMAND_ME...
details: https://anonhg.NetBSD.org/src/rev/b3146ab1a723
branches: trunk
changeset: 1011917:b3146ab1a723
user: yamaguchi <yamaguchi%NetBSD.org@localhost>
date: Thu Jul 16 01:20:38 2020 +0000
description:
Set PCI_COMMAND_MASTER_ENABLE and PCI_COMMAND_MEM_ENABLE
to activate the pci devices
This configuration is needed when BIOS or UEFI do not make them set.
diffstat:
sys/dev/pci/if_ixl.c | 20 +++++++++++++++++---
1 files changed, 17 insertions(+), 3 deletions(-)
diffs (55 lines):
diff -r aadbd045e296 -r b3146ab1a723 sys/dev/pci/if_ixl.c
--- a/sys/dev/pci/if_ixl.c Wed Jul 15 19:23:44 2020 +0000
+++ b/sys/dev/pci/if_ixl.c Thu Jul 16 01:20:38 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: if_ixl.c,v 1.67 2020/06/11 02:39:30 thorpej Exp $ */
+/* $NetBSD: if_ixl.c,v 1.68 2020/07/16 01:20:38 yamaguchi Exp $ */
/*
* Copyright (c) 2013-2015, Intel Corporation
@@ -74,7 +74,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ixl.c,v 1.67 2020/06/11 02:39:30 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ixl.c,v 1.68 2020/07/16 01:20:38 yamaguchi Exp $");
#ifdef _KERNEL_OPT
#include "opt_net_mpsafe.h"
@@ -764,7 +764,8 @@
static unsigned int ixl_param_rx_ndescs = 1024;
static enum i40e_mac_type
- ixl_mactype(pci_product_id_t);
+ ixl_mactype(pci_product_id_t);
+static void ixl_pci_csr_setup(pci_chipset_tag_t, pcitag_t);
static void ixl_clear_hw(struct ixl_softc *);
static int ixl_pf_reset(struct ixl_softc *);
@@ -1107,6 +1108,8 @@
sc->sc_mac_type = ixl_mactype(PCI_PRODUCT(pa->pa_id));
+ ixl_pci_csr_setup(pa->pa_pc, pa->pa_tag);
+
memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, IXL_PCIREG);
if (pci_mapreg_map(pa, IXL_PCIREG, memtype, 0,
&sc->sc_memt, &sc->sc_memh, NULL, &sc->sc_mems)) {
@@ -1943,6 +1946,17 @@
return I40E_MAC_GENERIC;
}
+static void
+ixl_pci_csr_setup(pci_chipset_tag_t pc, pcitag_t tag)
+{
+ pcireg_t csr;
+
+ csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
+ csr |= (PCI_COMMAND_MASTER_ENABLE |
+ PCI_COMMAND_MEM_ENABLE);
+ pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr);
+}
+
static inline void *
ixl_hmc_kva(struct ixl_softc *sc, enum ixl_hmc_types type, unsigned int i)
{
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