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-rw-r--r--sys/arch/amd64/amd64/mainbus.c6
-rw-r--r--sys/arch/amd64/conf/GENERIC3
-rw-r--r--sys/arch/amd64/conf/RAMDISK4
-rw-r--r--sys/arch/amd64/conf/RAMDISK_CD4
-rw-r--r--sys/arch/amd64/conf/files.amd644
-rw-r--r--sys/arch/amd64/pci/acpipci.c180
-rw-r--r--sys/arch/amd64/pci/pci_machdep.c21
7 files changed, 190 insertions, 32 deletions
diff --git a/sys/arch/amd64/amd64/mainbus.c b/sys/arch/amd64/amd64/mainbus.c
index 6d2080ee2b1..af1ba119e3a 100644
--- a/sys/arch/amd64/amd64/mainbus.c
+++ b/sys/arch/amd64/amd64/mainbus.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mainbus.c,v 1.47 2019/05/17 19:07:15 guenther Exp $ */
+/* $OpenBSD: mainbus.c,v 1.48 2019/08/28 22:39:09 kettenis Exp $ */
/* $NetBSD: mainbus.c,v 1.1 2003/04/26 18:39:29 fvdl Exp $ */
/*
@@ -231,6 +231,9 @@ mainbus_attach(struct device *parent, struct device *self, void *aux)
#endif
#if NPCI > 0
+#if NACPI > 0
+ if (!acpi_haspci)
+#endif
{
pci_init_extents();
@@ -244,6 +247,7 @@ mainbus_attach(struct device *parent, struct device *self, void *aux)
mba.mba_pba.pba_busex = pcibus_ex;
mba.mba_pba.pba_domain = pci_ndomains++;
mba.mba_pba.pba_bus = 0;
+ mba.mba_pba.pba_flags = PCI_FLAGS_MSI_ENABLED;
config_found(self, &mba.mba_pba, mainbus_print);
#if NACPI > 0
acpi_pciroots_attach(self, &mba.mba_pba, mainbus_print);
diff --git a/sys/arch/amd64/conf/GENERIC b/sys/arch/amd64/conf/GENERIC
index 563c9f855de..068a2bb2ec5 100644
--- a/sys/arch/amd64/conf/GENERIC
+++ b/sys/arch/amd64/conf/GENERIC
@@ -1,4 +1,4 @@
-# $OpenBSD: GENERIC,v 1.476 2019/08/14 00:08:46 jsg Exp $
+# $OpenBSD: GENERIC,v 1.477 2019/08/28 22:39:09 kettenis Exp $
#
# For further information on compiling OpenBSD kernels, see the config(8)
# man page.
@@ -48,6 +48,7 @@ acpicmos* at acpi?
acpidock* at acpi?
acpiec* at acpi?
acpipci* at acpi?
+pci* at acpipci?
acpiprt* at acpi?
acpisbs* at acpi?
acpitz* at acpi?
diff --git a/sys/arch/amd64/conf/RAMDISK b/sys/arch/amd64/conf/RAMDISK
index bbc452fe4cc..5eec537843b 100644
--- a/sys/arch/amd64/conf/RAMDISK
+++ b/sys/arch/amd64/conf/RAMDISK
@@ -1,4 +1,4 @@
-# $OpenBSD: RAMDISK,v 1.71 2018/03/27 21:11:16 kettenis Exp $
+# $OpenBSD: RAMDISK,v 1.72 2019/08/28 22:39:09 kettenis Exp $
machine amd64
maxusers 4
@@ -31,6 +31,8 @@ acpi0 at bios?
#acpicpu* at acpi?
acpicmos* at acpi?
acpiec* at acpi?
+acpipci* at acpi?
+pci* at acpipci?
acpiprt* at acpi?
acpimadt0 at acpi?
#acpitz* at acpi?
diff --git a/sys/arch/amd64/conf/RAMDISK_CD b/sys/arch/amd64/conf/RAMDISK_CD
index 96b15483567..2583a8f0e9f 100644
--- a/sys/arch/amd64/conf/RAMDISK_CD
+++ b/sys/arch/amd64/conf/RAMDISK_CD
@@ -1,4 +1,4 @@
-# $OpenBSD: RAMDISK_CD,v 1.181 2019/06/24 21:33:27 kettenis Exp $
+# $OpenBSD: RAMDISK_CD,v 1.182 2019/08/28 22:39:09 kettenis Exp $
machine amd64
maxusers 4
@@ -39,6 +39,8 @@ acpi0 at bios?
#acpicpu* at acpi?
acpicmos* at acpi?
acpiec* at acpi?
+acpipci* at acpi?
+pci* at acpipci?
acpiprt* at acpi?
acpimadt0 at acpi?
#acpitz* at acpi?
diff --git a/sys/arch/amd64/conf/files.amd64 b/sys/arch/amd64/conf/files.amd64
index 15e7d6bf137..b1c7f5d52b8 100644
--- a/sys/arch/amd64/conf/files.amd64
+++ b/sys/arch/amd64/conf/files.amd64
@@ -1,4 +1,4 @@
-# $OpenBSD: files.amd64,v 1.102 2019/05/17 19:07:16 guenther Exp $
+# $OpenBSD: files.amd64,v 1.103 2019/08/28 22:39:09 kettenis Exp $
maxpartitions 16
maxusers 2 16 128
@@ -237,7 +237,7 @@ attach acpi at bios
file arch/amd64/amd64/acpi_machdep.c acpi
file arch/amd64/amd64/acpi_wakecode.S acpi & !small_kernel
-device acpipci
+device acpipci: pcibus
attach acpipci at acpi
file arch/amd64/pci/acpipci.c acpipci
diff --git a/sys/arch/amd64/pci/acpipci.c b/sys/arch/amd64/pci/acpipci.c
index 4bc996b2c13..0161b28df81 100644
--- a/sys/arch/amd64/pci/acpipci.c
+++ b/sys/arch/amd64/pci/acpipci.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: acpipci.c,v 1.1 2018/10/26 20:26:19 kettenis Exp $ */
+/* $OpenBSD: acpipci.c,v 1.2 2019/08/28 22:39:09 kettenis Exp $ */
/*
* Copyright (c) 2018 Mark Kettenis
*
@@ -53,6 +53,19 @@ struct acpipci_softc {
struct device sc_dev;
struct acpi_softc *sc_acpi;
struct aml_node *sc_node;
+
+ bus_space_tag_t sc_iot;
+ bus_space_tag_t sc_memt;
+ bus_dma_tag_t sc_dmat;
+
+ struct extent *sc_busex;
+ struct extent *sc_memex;
+ struct extent *sc_ioex;
+ char sc_busex_name[32];
+ char sc_ioex_name[32];
+ char sc_memex_name[32];
+ int sc_bus;
+ uint32_t sc_seg;
};
int acpipci_match(struct device *, void *, void *);
@@ -72,6 +85,11 @@ const char *acpipci_hids[] = {
NULL
};
+void acpipci_attach_deferred(struct device *);
+int acpipci_print(void *, const char *);
+int acpipci_parse_resources(int, union acpi_resource *, void *);
+void acpipci_osc(struct acpipci_softc *);
+
int
acpipci_match(struct device *parent, void *match, void *aux)
{
@@ -86,15 +104,163 @@ acpipci_attach(struct device *parent, struct device *self, void *aux)
{
struct acpi_attach_args *aaa = aux;
struct acpipci_softc *sc = (struct acpipci_softc *)self;
- struct aml_value args[4];
struct aml_value res;
- static uint8_t uuid[16] = ACPI_PCI_UUID;
- uint32_t buf[3];
+ uint64_t bbn = 0;
+ uint64_t seg = 0;
sc->sc_acpi = (struct acpi_softc *)parent;
sc->sc_node = aaa->aaa_node;
printf(" %s", sc->sc_node->name);
+ if (aml_evalname(sc->sc_acpi, sc->sc_node, "_CRS", 0, NULL, &res)) {
+ printf(": can't find resources\n");
+ return;
+ }
+
+ aml_evalinteger(sc->sc_acpi, sc->sc_node, "_BBN", 0, NULL, &bbn);
+ sc->sc_bus = bbn;
+
+ aml_evalinteger(sc->sc_acpi, sc->sc_node, "_SEG", 0, NULL, &seg);
+ sc->sc_seg = seg;
+
+ /* Create extents for our address spaces. */
+ snprintf(sc->sc_busex_name, sizeof(sc->sc_busex_name),
+ "%s pcibus", sc->sc_dev.dv_xname);
+ snprintf(sc->sc_ioex_name, sizeof(sc->sc_ioex_name),
+ "%s pciio", sc->sc_dev.dv_xname);
+ snprintf(sc->sc_memex_name, sizeof(sc->sc_memex_name),
+ "%s pcimem", sc->sc_dev.dv_xname);
+ sc->sc_busex = extent_create(sc->sc_busex_name, 0, 255,
+ M_DEVBUF, NULL, 0, EX_WAITOK | EX_FILLED);
+ sc->sc_ioex = extent_create(sc->sc_ioex_name, 0, 0xffffffff,
+ M_DEVBUF, NULL, 0, EX_WAITOK | EX_FILLED);
+ sc->sc_memex = extent_create(sc->sc_memex_name, 0, (u_long)-1,
+ M_DEVBUF, NULL, 0, EX_WAITOK | EX_FILLED);
+
+ aml_parse_resource(&res, acpipci_parse_resources, sc);
+
+ acpipci_osc(sc);
+
+ printf("\n");
+
+ acpi_haspci = 1;
+
+ sc->sc_iot = aaa->aaa_iot;
+ sc->sc_memt = aaa->aaa_memt;
+ sc->sc_dmat = aaa->aaa_dmat;
+
+ config_defer(self, acpipci_attach_deferred);
+}
+
+void
+acpipci_attach_deferred(struct device *self)
+{
+ struct acpipci_softc *sc = (struct acpipci_softc *)self;
+ struct pcibus_attach_args pba;
+
+ memset(&pba, 0, sizeof(pba));
+ pba.pba_busname = "pci";
+ pba.pba_iot = sc->sc_iot;
+ pba.pba_memt = sc->sc_memt;
+ pba.pba_dmat = sc->sc_dmat;
+ pba.pba_busex = sc->sc_busex;
+ pba.pba_ioex = sc->sc_ioex;
+ pba.pba_memex = sc->sc_memex;
+ pba.pba_pmemex = sc->sc_memex;
+ pba.pba_domain = pci_ndomains++;
+ pba.pba_bus = sc->sc_bus;
+
+ /* Enable MSI in ACPI 2.0 and above, unless we're told not to. */
+ if (sc->sc_acpi->sc_fadt->hdr.revision >= 2 &&
+ (sc->sc_acpi->sc_fadt->iapc_boot_arch & FADT_NO_MSI) == 0)
+ pba.pba_flags |= PCI_FLAGS_MSI_ENABLED;
+
+ config_found(self, &pba, acpipci_print);
+}
+
+int
+acpipci_print(void *aux, const char *pnp)
+{
+ struct pcibus_attach_args *pba = aux;
+
+ if (pnp)
+ printf("%s at %s", pba->pba_busname, pnp);
+ printf(" bus %d", pba->pba_bus);
+ return (UNCONF);
+}
+
+int
+acpipci_parse_resources(int crsidx, union acpi_resource *crs, void *arg)
+{
+ struct acpipci_softc *sc = arg;
+ int type = AML_CRSTYPE(crs);
+ int restype, tflags = 0;
+ u_long min, len = 0, tra = 0;
+
+ switch (type) {
+ case LR_WORD:
+ restype = crs->lr_word.type;
+ tflags = crs->lr_word.tflags;
+ min = crs->lr_word._min;
+ len = crs->lr_word._len;
+ tra = crs->lr_word._tra;
+ break;
+ case LR_DWORD:
+ restype = crs->lr_dword.type;
+ tflags = crs->lr_dword.tflags;
+ min = crs->lr_dword._min;
+ len = crs->lr_dword._len;
+ tra = crs->lr_dword._tra;
+ break;
+ case LR_QWORD:
+ restype = crs->lr_qword.type;
+ tflags = crs->lr_qword.tflags;
+ min = crs->lr_qword._min;
+ len = crs->lr_qword._len;
+ tra = crs->lr_qword._tra;
+ break;
+ case LR_MEM32FIXED:
+ /*
+ * Coreboot on the PC Engines apu2 incorrectly uses a
+ * Memory32Fixed resource descriptor to describe mmio
+ * address space forwarded to the PCI bus.
+ */
+ restype = LR_TYPE_MEMORY;
+ min = crs->lr_m32fixed._bas;
+ len = crs->lr_m32fixed._len;
+ break;
+ }
+
+ if (len == 0)
+ return 0;
+
+ switch (restype) {
+ case LR_TYPE_MEMORY:
+ if (tflags & LR_MEMORY_TTP)
+ return 0;
+ extent_free(sc->sc_memex, min, len, EX_WAITOK | EX_CONFLICTOK);
+ break;
+ case LR_TYPE_IO:
+ if (tflags & LR_IO_TTP)
+ return 0;
+ extent_free(sc->sc_ioex, min, len, EX_WAITOK | EX_CONFLICTOK);
+ break;
+ case LR_TYPE_BUS:
+ extent_free(sc->sc_busex, min, len, EX_WAITOK);
+ break;
+ }
+
+ return 0;
+}
+
+void
+acpipci_osc(struct acpipci_softc *sc)
+{
+ struct aml_value args[4];
+ struct aml_value res;
+ static uint8_t uuid[16] = ACPI_PCI_UUID;
+ uint32_t buf[3];
+
memset(args, 0, sizeof(args));
args[0].type = AML_OBJTYPE_BUFFER;
args[0].v_buffer = uuid;
@@ -112,10 +278,8 @@ acpipci_attach(struct device *parent, struct device *self, void *aux)
buf[1] = ACPI_PCI_PCIE_CONFIG | ACPI_PCI_MSI;
buf[2] = ACPI_PCI_PCIE_HOTPLUG;
- if (aml_evalname(sc->sc_acpi, sc->sc_node, "_OSC", 4, args, &res)) {
- printf(": _OSC failed\n");
+ if (aml_evalname(sc->sc_acpi, sc->sc_node, "_OSC", 4, args, &res))
return;
- }
if (res.type == AML_OBJTYPE_BUFFER) {
size_t len = res.length;
@@ -128,6 +292,4 @@ acpipci_attach(struct device *parent, struct device *self, void *aux)
len -= 4;
}
}
-
- printf("\n");
}
diff --git a/sys/arch/amd64/pci/pci_machdep.c b/sys/arch/amd64/pci/pci_machdep.c
index 27e78c7cfa4..d207ab54c65 100644
--- a/sys/arch/amd64/pci/pci_machdep.c
+++ b/sys/arch/amd64/pci/pci_machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pci_machdep.c,v 1.71 2019/06/25 16:46:32 kettenis Exp $ */
+/* $OpenBSD: pci_machdep.c,v 1.72 2019/08/28 22:39:09 kettenis Exp $ */
/* $NetBSD: pci_machdep.c,v 1.3 2003/05/07 21:33:58 fvdl Exp $ */
/*-
@@ -189,24 +189,11 @@ pci_attach_hook(struct device *parent, struct device *self,
switch (PCI_VENDOR(id)) {
case PCI_VENDOR_INTEL:
- /*
- * In the wonderful world of virtualization you can
- * have the latest 64-bit AMD multicore CPU behind a
- * prehistoric Intel host bridge. Give them what they
- * deserve.
- */
- switch (PCI_PRODUCT(id)) {
- case PCI_PRODUCT_INTEL_82441FX: /* QEMU */
- case PCI_PRODUCT_INTEL_82443BX: /* VMWare */
- break;
- default:
- pba->pba_flags |= PCI_FLAGS_MSI_ENABLED;
- break;
- }
- break;
case PCI_VENDOR_NVIDIA:
case PCI_VENDOR_AMD:
- pba->pba_flags |= PCI_FLAGS_MSI_ENABLED;
+ break;
+ default:
+ pba->pba_flags &= ~PCI_FLAGS_MSI_ENABLED;
break;
}