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authorSia Jee Heng <jeeheng.sia@starfivetech.com>2024-02-29 07:39:50 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2024-08-29 17:34:36 +0200
commit7741e3c5f848e867c58c6e612c63a27c1681a493 (patch)
tree001d616d15afafc8727ece698e4b72cdc9991f03
parentACPICA: Complete CXL 3.0 CXIMS structures (diff)
downloadlinux-7741e3c5f848e867c58c6e612c63a27c1681a493.tar.xz
linux-7741e3c5f848e867c58c6e612c63a27c1681a493.zip
ACPICA: SPCR: Update the SPCR table to version 4
ACPICA commit 1eeff52124a45d5cd887ba5687bbad0116e4d211 The Microsoft Serial Port Console Redirection (SPCR) specification revision 1.09 comprises additional fields [1]. The newly added fields are: - RISC-V SBI - Precise Baud Rate - namespace_string_length - namespace_string_offset - namespace_string Additionaly, this code will support up to SPCR revision 1.10, as it includes only minor wording changes. Link: https://learn.microsoft.com/en-us/windows-hardware/drivers/serports/serial-port-console-redirection-table # [1] Link: https://github.com/acpica/acpica/commit/1eeff521 Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--include/acpi/actbl3.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index 8f775e3a08fd..5cd755143b7d 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -92,10 +92,10 @@ struct acpi_table_slit {
/*******************************************************************************
*
* SPCR - Serial Port Console Redirection table
- * Version 2
+ * Version 4
*
* Conforms to "Serial Port Console Redirection Table",
- * Version 1.03, August 10, 2015
+ * Version 1.10, Jan 5, 2023
*
******************************************************************************/
@@ -112,7 +112,7 @@ struct acpi_table_spcr {
u8 stop_bits;
u8 flow_control;
u8 terminal_type;
- u8 reserved1;
+ u8 language;
u16 pci_device_id;
u16 pci_vendor_id;
u8 pci_bus;
@@ -120,7 +120,11 @@ struct acpi_table_spcr {
u8 pci_function;
u32 pci_flags;
u8 pci_segment;
- u32 reserved2;
+ u32 uart_clk_freq;
+ u32 precise_baudrate;
+ u16 name_space_string_length;
+ u16 name_space_string_offset;
+ char name_space_string[];
};
/* Masks for pci_flags field above */