Date: Sun, 25 Oct 2015 23:27:08 +0000 (UTC) From: Zbigniew Bodek <zbb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r289967 - head/sys/arm64/arm64 Message-ID: <201510252327.t9PNR8oC032562@repo.freebsd.org>
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Author: zbb Date: Sun Oct 25 23:27:08 2015 New Revision: 289967 URL: https://svnweb.freebsd.org/changeset/base/289967 Log: Fix bus numbering in ThunderX ITS quirk Internal busses (thus ECAM access) should be mapped to all values from 0 to 143. Obtained from: Semihalf Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D3753 Modified: head/sys/arm64/arm64/gic_v3_its.c Modified: head/sys/arm64/arm64/gic_v3_its.c ============================================================================== --- head/sys/arm64/arm64/gic_v3_its.c Sun Oct 25 23:22:40 2015 (r289966) +++ head/sys/arm64/arm64/gic_v3_its.c Sun Oct 25 23:27:08 2015 (r289967) @@ -59,6 +59,8 @@ __FBSDID("$FreeBSD$"); #include "gic_v3_reg.h" #include "gic_v3_var.h" +#define GIC_V3_ITS_QUIRK_THUNDERX_PEM_BUS_OFFSET 144 + #include "pic_if.h" /* Device and PIC methods */ @@ -1475,8 +1477,8 @@ its_get_devid_thunder(device_t pci_dev) bsf = PCI_RID(pci_get_bus(pci_dev), pci_get_slot(pci_dev), pci_get_function(pci_dev)); - /* ECAM is on bus=0 */ - if (bus == 0) { + /* Check if accessing internal PCIe (low bus numbers) */ + if (bus < GIC_V3_ITS_QUIRK_THUNDERX_PEM_BUS_OFFSET) { return ((pci_get_domain(pci_dev) << PCI_RID_DOMAIN_SHIFT) | bsf); /* PEM otherwise */
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