diff options
| -rw-r--r-- | hw/pci-host/gpex-acpi.c | 64 |
1 files changed, 43 insertions, 21 deletions
diff --git a/hw/pci-host/gpex-acpi.c b/hw/pci-host/gpex-acpi.c index cb13e75d2f..446912d771 100644 --- a/hw/pci-host/gpex-acpi.c +++ b/hw/pci-host/gpex-acpi.c @@ -146,6 +146,8 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) Aml *method, *crs, *dev, *rbuf; PCIBus *bus = cfg->bus; CrsRangeSet crs_range_set; + CrsRangeEntry *entry; + int i; /* start to construct the tables for pxb */ crs_range_set_init(&crs_range_set); @@ -193,7 +195,6 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) aml_append(scope, dev); } } - crs_range_set_free(&crs_range_set); /* tables for the main */ dev = aml_device("%s", "PCI0"); @@ -211,36 +212,55 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) aml_append(method, aml_return(aml_int(cfg->ecam.base))); aml_append(dev, method); + /* + * At this point crs_range_set has all the ranges used by pci + * busses *other* than PCI0. These ranges will be excluded from + * the PCI0._CRS. + */ rbuf = aml_resource_template(); aml_append(rbuf, aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, 0x0000, 0x0000, nr_pcie_buses - 1, 0x0000, nr_pcie_buses)); if (cfg->mmio32.size) { - aml_append(rbuf, - aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, - AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, - cfg->mmio32.base, - cfg->mmio32.base + cfg->mmio32.size - 1, - 0x0000, - cfg->mmio32.size)); + crs_replace_with_free_ranges(crs_range_set.mem_ranges, + cfg->mmio32.base, + cfg->mmio32.base + cfg->mmio32.size - 1); + for (i = 0; i < crs_range_set.mem_ranges->len; i++) { + entry = g_ptr_array_index(crs_range_set.mem_ranges, i); + aml_append(rbuf, + aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, + AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, + entry->base, entry->limit, + 0x0000, entry->limit - entry->base + 1)); + } } if (cfg->pio.size) { - aml_append(rbuf, - aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, - AML_ENTIRE_RANGE, 0x0000, 0x0000, - cfg->pio.size - 1, - cfg->pio.base, - cfg->pio.size)); + crs_replace_with_free_ranges(crs_range_set.io_ranges, + 0x0000, + cfg->pio.size - 1); + for (i = 0; i < crs_range_set.io_ranges->len; i++) { + entry = g_ptr_array_index(crs_range_set.io_ranges, i); + aml_append(rbuf, + aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE, + AML_ENTIRE_RANGE, 0x0000, entry->base, + entry->limit, cfg->pio.base, + entry->limit - entry->base + 1)); + } } if (cfg->mmio64.size) { - aml_append(rbuf, - aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, - AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, - cfg->mmio64.base, - cfg->mmio64.base + cfg->mmio64.size - 1, - 0x0000, - cfg->mmio64.size)); + crs_replace_with_free_ranges(crs_range_set.mem_64bit_ranges, + cfg->mmio64.base, + cfg->mmio64.base + cfg->mmio64.size - 1); + for (i = 0; i < crs_range_set.mem_64bit_ranges->len; i++) { + entry = g_ptr_array_index(crs_range_set.mem_64bit_ranges, i); + aml_append(rbuf, + aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED, + AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, + entry->base, + entry->limit, 0x0000, + entry->limit - entry->base + 1)); + } } aml_append(dev, aml_name_decl("_CRS", rbuf)); @@ -259,4 +279,6 @@ void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg) aml_append(dev_res0, aml_name_decl("_CRS", crs)); aml_append(dev, dev_res0); aml_append(scope, dev); + + crs_range_set_free(&crs_range_set); } |