diff options
| author | Shannon Zhao <shannon.zhao@linaro.org> | 2015-05-29 11:28:57 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-05-29 11:28:57 +0100 |
| commit | 8434488400971c6793893b8c9547bc6b97e076ce (patch) | |
| tree | a695d6948f7676e258b49b63ab018de76d396ed7 /hw/arm/virt-acpi-build.c | |
| parent | d4bec5d876b694f7f13ad3fcfe510ff46e9748d0 (diff) | |
hw/arm/virt-acpi-build: Generate MCFG table
Generate MCFG table for PCIe controller.
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1432522520-8068-14-git-send-email-zhaoshenglong@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/virt-acpi-build.c')
| -rw-r--r-- | hw/arm/virt-acpi-build.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index f8c1dd846e..95c83eeb85 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -39,6 +39,7 @@ #include "hw/loader.h" #include "hw/hw.h" #include "hw/acpi/aml-build.h" +#include "hw/pci/pcie_host.h" #define ARM_SPI_BASE 32 @@ -180,6 +181,25 @@ build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) return rsdp_table; } +static void +build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) +{ + AcpiTableMcfg *mcfg; + const MemMapEntry *memmap = guest_info->memmap; + int len = sizeof(*mcfg) + sizeof(mcfg->allocation[0]); + + mcfg = acpi_data_push(table_data, len); + mcfg->allocation[0].address = cpu_to_le64(memmap[VIRT_PCIE_ECAM].base); + + /* Only a single allocation so no need to play with segments */ + mcfg->allocation[0].pci_segment = cpu_to_le16(0); + mcfg->allocation[0].start_bus_number = 0; + mcfg->allocation[0].end_bus_number = (memmap[VIRT_PCIE_ECAM].size + / PCIE_MMCFG_SIZE_MIN) - 1; + + build_header(linker, table_data, (void *)mcfg, "MCFG", len, 5); +} + /* GTDT */ static void build_gtdt(GArray *table_data, GArray *linker) @@ -350,6 +370,9 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables) acpi_add_table(table_offsets, tables_blob); build_gtdt(tables_blob, tables->linker); + acpi_add_table(table_offsets, tables_blob); + build_mcfg(tables_blob, tables->linker, guest_info); + /* RSDT is pointed to by RSDP */ rsdt = tables_blob->len; build_rsdt(tables_blob, tables->linker, table_offsets); |