@@ -146,29 +146,11 @@ static void acpi_dsdt_add_virtio(Aml *scope,
}
}
-static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
- uint32_t irq, bool use_highmem, bool highmem_ecam)
+static void acpi_dsdt_add_pci_route_table(Aml *dev, Aml *scope,
+ uint32_t irq)
{
- int ecam_id = VIRT_ECAM_ID(highmem_ecam);
- Aml *method, *crs, *ifctx, *UUID, *ifctx1, *elsectx, *buf;
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;
- hwaddr size_pio = memmap[VIRT_PCIE_PIO].size;
- hwaddr base_ecam = memmap[ecam_id].base;
- hwaddr size_ecam = memmap[ecam_id].size;
- int nr_pcie_buses = size_ecam / PCIE_MMCFG_SIZE_MIN;
-
- Aml *dev = aml_device("%s", "PCI0");
- aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A08")));
- aml_append(dev, aml_name_decl("_CID", aml_string("PNP0A03")));
- aml_append(dev, aml_name_decl("_SEG", aml_int(0)));
- aml_append(dev, aml_name_decl("_BBN", aml_int(0)));
- aml_append(dev, aml_name_decl("_UID", aml_string("PCI0")));
- aml_append(dev, aml_name_decl("_STR", aml_unicode("PCIe 0 Device")));
- aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
-
+ Aml *method, *crs;
/* Declare the PCI Routing Table. */
Aml *rt_pkg = aml_varpackage(PCI_SLOT_MAX * PCI_NUM_PINS);
for (slot_no = 0; slot_no < PCI_SLOT_MAX; slot_no++) {
@@ -204,41 +186,11 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
aml_append(dev_gsi, method);
aml_append(dev, dev_gsi);
}
+}
- method = aml_method("_CBA", 0, AML_NOTSERIALIZED);
- aml_append(method, aml_return(aml_int(base_ecam)));
- aml_append(dev, method);
-
- method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
- Aml *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));
- aml_append(rbuf,
- aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
- AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, base_mmio,
- base_mmio + size_mmio - 1, 0x0000, size_mmio));
- aml_append(rbuf,
- aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
- AML_ENTIRE_RANGE, 0x0000, 0x0000, size_pio - 1, base_pio,
- size_pio));
-
- if (use_highmem) {
- hwaddr base_mmio_high = memmap[VIRT_HIGH_PCIE_MMIO].base;
- hwaddr size_mmio_high = memmap[VIRT_HIGH_PCIE_MMIO].size;
-
- aml_append(rbuf,
- aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
- AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000,
- base_mmio_high,
- base_mmio_high + size_mmio_high - 1, 0x0000,
- size_mmio_high));
- }
-
- aml_append(method, aml_return(rbuf));
- aml_append(dev, method);
-
+static void acpi_dsdt_add_pci_osc(Aml *dev, Aml *scope)
+{
+ Aml *method, *UUID, *ifctx, *ifctx1, *elsectx, *buf;
/* Declare an _OSC (OS Control Handoff) method */
aml_append(dev, aml_name_decl("SUPP", aml_int(0)));
aml_append(dev, aml_name_decl("CTRL", aml_int(0)));
@@ -246,7 +198,8 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
aml_append(method,
aml_create_dword_field(aml_arg(3), aml_int(0), "CDW1"));
- /* PCI Firmware Specification 3.0
+ /*
+ * PCI Firmware Specification 3.0
* 4.5.1. _OSC Interface for PCI Host Bridge Devices
* The _OSC interface for a PCI/PCI-X/PCI Express hierarchy is
* identified by the Universal Unique IDentifier (UUID)
@@ -291,7 +244,8 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
method = aml_method("_DSM", 4, AML_NOTSERIALIZED);
- /* PCI Firmware Specification 3.0
+ /*
+ * PCI Firmware Specification 3.0
* 4.6.1. _DSM for PCI Express Slot Information
* The UUID in _DSM in this context is
* {E5C937D0-3553-4D7A-9117-EA4D19C3434D}
@@ -309,6 +263,67 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
buf = aml_buffer(1, byte_list);
aml_append(method, aml_return(buf));
aml_append(dev, method);
+}
+
+static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
+ uint32_t irq, bool use_highmem, bool highmem_ecam)
+{
+ int ecam_id = VIRT_ECAM_ID(highmem_ecam);
+ Aml *method, *crs;
+ hwaddr base_mmio = memmap[VIRT_PCIE_MMIO].base;
+ hwaddr size_mmio = memmap[VIRT_PCIE_MMIO].size;
+ hwaddr base_pio = memmap[VIRT_PCIE_PIO].base;
+ hwaddr size_pio = memmap[VIRT_PCIE_PIO].size;
+ hwaddr base_ecam = memmap[ecam_id].base;
+ hwaddr size_ecam = memmap[ecam_id].size;
+ int nr_pcie_buses = size_ecam / PCIE_MMCFG_SIZE_MIN;
+
+ Aml *dev = aml_device("%s", "PCI0");
+ aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A08")));
+ aml_append(dev, aml_name_decl("_CID", aml_string("PNP0A03")));
+ aml_append(dev, aml_name_decl("_SEG", aml_int(0)));
+ aml_append(dev, aml_name_decl("_BBN", aml_int(0)));
+ aml_append(dev, aml_name_decl("_UID", aml_string("PCI0")));
+ aml_append(dev, aml_name_decl("_STR", aml_unicode("PCIe 0 Device")));
+ aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
+
+ acpi_dsdt_add_pci_route_table(dev, scope, irq);
+
+ method = aml_method("_CBA", 0, AML_NOTSERIALIZED);
+ aml_append(method, aml_return(aml_int(base_ecam)));
+ aml_append(dev, method);
+
+ method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
+ Aml *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));
+ aml_append(rbuf,
+ aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
+ AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, base_mmio,
+ base_mmio + size_mmio - 1, 0x0000, size_mmio));
+ aml_append(rbuf,
+ aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
+ AML_ENTIRE_RANGE, 0x0000, 0x0000, size_pio - 1, base_pio,
+ size_pio));
+
+ if (use_highmem) {
+ hwaddr base_mmio_high = memmap[VIRT_HIGH_PCIE_MMIO].base;
+ hwaddr size_mmio_high = memmap[VIRT_HIGH_PCIE_MMIO].size;
+
+ aml_append(rbuf,
+ aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
+ AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000,
+ base_mmio_high,
+ base_mmio_high + size_mmio_high - 1, 0x0000,
+ size_mmio_high));
+ }
+
+ aml_append(method, aml_return(rbuf));
+ aml_append(dev, method);
+
+ acpi_dsdt_add_pci_osc(dev, scope);
Aml *dev_res0 = aml_device("%s", "RES0");
aml_append(dev_res0, aml_name_decl("_HID", aml_string("PNP0C02")));