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hw/arm/virt-acpi-build: Add SPCR table

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Signed-off-by: Andrew Jones <drjones@redhat.com>
Tested-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1433929959-29530-3-git-send-email-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrew Jones 2015-06-15 18:06:11 +01:00 committed by Peter Maydell
parent b8a0d75ef8
commit f264d51d8a
1 changed files with 42 additions and 1 deletions
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43
hw/arm/virt-acpi-build.c
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@ -84,6 +84,12 @@ static void acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap,
aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, uart_irq));
aml_append(dev, aml_name_decl("_CRS", crs));
/* The _ADR entry is used to link this device to the UART described
* in the SPCR table, i.e. SPCR.base_address.address == _ADR.
*/
aml_append(dev, aml_name_decl("_ADR", aml_int(uart_memmap->base)));
aml_append(scope, dev);
}
@ -333,6 +339,38 @@ build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt)
return rsdp_table;
}
static void
build_spcr(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
{
AcpiSerialPortConsoleRedirection *spcr;
const MemMapEntry *uart_memmap = &guest_info->memmap[VIRT_UART];
int irq = guest_info->irqmap[VIRT_UART] + ARM_SPI_BASE;
spcr = acpi_data_push(table_data, sizeof(*spcr));
spcr->interface_type = 0x3; /* ARM PL011 UART */
spcr->base_address.space_id = AML_SYSTEM_MEMORY;
spcr->base_address.bit_width = 8;
spcr->base_address.bit_offset = 0;
spcr->base_address.access_width = 1;
spcr->base_address.address = cpu_to_le64(uart_memmap->base);
spcr->interrupt_types = (1 << 3); /* Bit[3] ARMH GIC interrupt */
spcr->gsi = cpu_to_le32(irq); /* Global System Interrupt */
spcr->baud = 3; /* Baud Rate: 3 = 9600 */
spcr->parity = 0; /* No Parity */
spcr->stopbits = 1; /* 1 Stop bit */
spcr->flowctrl = (1 << 1); /* Bit[1] = RTS/CTS hardware flow control */
spcr->term_type = 0; /* Terminal Type: 0 = VT100 */
spcr->pci_device_id = 0xffff; /* PCI Device ID: not a PCI device */
spcr->pci_vendor_id = 0xffff; /* PCI Vendor ID: not a PCI device */
build_header(linker, table_data, (void *)spcr, "SPCR", sizeof(*spcr), 2);
}
static void
build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
{
@ -514,7 +552,7 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables)
dsdt = tables_blob->len;
build_dsdt(tables_blob, tables->linker, guest_info);
/* FADT MADT GTDT pointed to by RSDT */
/* FADT MADT GTDT SPCR pointed to by RSDT */
acpi_add_table(table_offsets, tables_blob);
build_fadt(tables_blob, tables->linker, dsdt);
@ -527,6 +565,9 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables)
acpi_add_table(table_offsets, tables_blob);
build_mcfg(tables_blob, tables->linker, guest_info);
acpi_add_table(table_offsets, tables_blob);
build_spcr(tables_blob, tables->linker, guest_info);
/* RSDT is pointed to by RSDP */
rsdt = tables_blob->len;
build_rsdt(tables_blob, tables->linker, table_offsets);