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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2018-11-20 23:52:37 +0200 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2018-12-05 07:23:16 -0700 |
| commit | f3275aa4a17f5307b4c70485e1d75088dd9c4526 (patch) | |
| tree | 43d97a13d1a7b29046c9dc6bb89ba29f6ff900a7 /arch | |
| parent | 50bf7d03c26b81f8644c52c6300b6a4c47f5822c (diff) | |
| download | u-boot-f3275aa4a17f5307b4c70485e1d75088dd9c4526.zip u-boot-f3275aa4a17f5307b4c70485e1d75088dd9c4526.tar.gz u-boot-f3275aa4a17f5307b4c70485e1d75088dd9c4526.tar.bz2 | |
x86: acpi: Add SPCR table description
Add SPCR table description as it provided in Linux kernel.
Port subtype for ACPI_DBG2_SERIAL_PORT is used as an interface type in SPCR.
Thus, provide a set of definitions to be utilized later.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/acpi_table.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h index 95fae03..51cc806 100644 --- a/arch/x86/include/asm/acpi_table.h +++ b/arch/x86/include/asm/acpi_table.h @@ -303,6 +303,55 @@ struct acpi_mcfg_mmconfig { /* ACPI global NVS structure */ struct acpi_global_nvs; +/* DBG2 definitions are partially used for SPCR interface_type */ + +/* Types for port_type field */ + +#define ACPI_DBG2_SERIAL_PORT 0x8000 +#define ACPI_DBG2_1394_PORT 0x8001 +#define ACPI_DBG2_USB_PORT 0x8002 +#define ACPI_DBG2_NET_PORT 0x8003 + +/* Subtypes for port_subtype field */ + +#define ACPI_DBG2_16550_COMPATIBLE 0x0000 +#define ACPI_DBG2_16550_SUBSET 0x0001 +#define ACPI_DBG2_ARM_PL011 0x0003 +#define ACPI_DBG2_ARM_SBSA_32BIT 0x000D +#define ACPI_DBG2_ARM_SBSA_GENERIC 0x000E +#define ACPI_DBG2_ARM_DCC 0x000F +#define ACPI_DBG2_BCM2835 0x0010 + +#define ACPI_DBG2_1394_STANDARD 0x0000 + +#define ACPI_DBG2_USB_XHCI 0x0000 +#define ACPI_DBG2_USB_EHCI 0x0001 + +/* SPCR (Serial Port Console Redirection table) */ +struct __packed acpi_spcr { + struct acpi_table_header header; + u8 interface_type; + u8 reserved[3]; + struct acpi_gen_regaddr serial_port; + u8 interrupt_type; + u8 pc_interrupt; + u32 interrupt; /* Global system interrupt */ + u8 baud_rate; + u8 parity; + u8 stop_bits; + u8 flow_control; + u8 terminal_type; + u8 reserved1; + u16 pci_device_id; /* Must be 0xffff if not PCI device */ + u16 pci_vendor_id; /* Must be 0xffff if not PCI device */ + u8 pci_bus; + u8 pci_device; + u8 pci_function; + u32 pci_flags; + u8 pci_segment; + u32 reserved2; +}; + /* These can be used by the target port */ void acpi_fill_header(struct acpi_table_header *header, char *signature); |