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| author | Simon Glass <sjg@chromium.org> | 2020-09-22 12:45:14 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-09-25 11:27:18 +0800 |
| commit | 9b3e6d4c1f86b27f320ef9c5857a9ef223b2b356 (patch) | |
| tree | bc5d7f6eee15b38fe84723811d775609cbb9f6f9 /arch/x86/include/asm/acpi_table.h | |
| parent | 350c7f52b93c5612dd3d53966bd54cb68b94d80b (diff) | |
| download | u-boot-9b3e6d4c1f86b27f320ef9c5857a9ef223b2b356.tar.gz u-boot-9b3e6d4c1f86b27f320ef9c5857a9ef223b2b356.tar.xz u-boot-9b3e6d4c1f86b27f320ef9c5857a9ef223b2b356.zip | |
x86: acpi: Add common Intel ACPI tables
Add various tables that are common to Intel CPUs. These functions can be
used by arch-specific CPU code.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/include/asm/acpi_table.h')
| -rw-r--r-- | arch/x86/include/asm/acpi_table.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h index 1b7ff50951..3245e44781 100644 --- a/arch/x86/include/asm/acpi_table.h +++ b/arch/x86/include/asm/acpi_table.h @@ -76,4 +76,26 @@ ulong write_acpi_tables(ulong start); */ ulong acpi_get_rsdp_addr(void); +/** + * arch_read_sci_irq_select() - Read the system-control interrupt number + * + * @returns value of IRQ register in the PMC + */ +int arch_read_sci_irq_select(void); + +/** + * arch_write_sci_irq_select() - Set the system-control interrupt number + * + * @scis: New value for IRQ register in the PMC + */ +int arch_write_sci_irq_select(uint scis); + +/** + * arch_madt_sci_irq_polarity() - Return the priority to use for the MADT + * + * @sci: System-control interrupt number + * @return priority to use (MP_IRQ_POLARITY_...) + */ +int arch_madt_sci_irq_polarity(int sci); + #endif /* __ASM_ACPI_TABLE_H__ */ |