From c77b25315941250163d3c226266db584ebf7f3e8 Mon Sep 17 00:00:00 2001 From: Heyi Guo Date: Tue, 4 Feb 2020 09:43:22 +0800 Subject: arm/acpi: fix PCI _PRT definition The address field in each _PRT mapping package should be constructed with high word for device# and low word for function#, so it is wrong to use bus_no as the high word. The existing code adds a bunch useless entries with device #s above 31. Enumerate all possible slots (i.e. PCI_SLOT_MAX) instead. Signed-off-by: Heyi Guo Reviewed-by: Michael S. Tsirkin Message-id: 20200204014325.16279-5-guoheyi@huawei.com Signed-off-by: Peter Maydell --- hw/arm/virt-acpi-build.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'hw') diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index be752c0..5d157a9 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -151,7 +151,7 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, { int ecam_id = VIRT_ECAM_ID(highmem_ecam); Aml *method, *crs, *ifctx, *UUID, *ifctx1, *elsectx, *buf; - int i, bus_no; + int i, slot_no; hwaddr base_mmio = memmap[VIRT_PCIE_MMIO].base; hwaddr size_mmio = memmap[VIRT_PCIE_MMIO].size; hwaddr base_pio = memmap[VIRT_PCIE_PIO].base; @@ -170,12 +170,12 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, aml_append(dev, aml_name_decl("_CCA", aml_int(1))); /* Declare the PCI Routing Table. */ - Aml *rt_pkg = aml_varpackage(nr_pcie_buses * PCI_NUM_PINS); - for (bus_no = 0; bus_no < nr_pcie_buses; bus_no++) { + Aml *rt_pkg = aml_varpackage(PCI_SLOT_MAX * PCI_NUM_PINS); + for (slot_no = 0; slot_no < PCI_SLOT_MAX; slot_no++) { for (i = 0; i < PCI_NUM_PINS; i++) { - int gsi = (i + bus_no) % PCI_NUM_PINS; + int gsi = (i + slot_no) % PCI_NUM_PINS; Aml *pkg = aml_package(4); - aml_append(pkg, aml_int((bus_no << 16) | 0xFFFF)); + aml_append(pkg, aml_int((slot_no << 16) | 0xFFFF)); aml_append(pkg, aml_int(i)); aml_append(pkg, aml_name("GSI%d", gsi)); aml_append(pkg, aml_int(0)); -- cgit v1.1