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-rw-r--r--roms/u-boot/arch/x86/include/asm/intel_acpi.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/include/asm/intel_acpi.h b/roms/u-boot/arch/x86/include/asm/intel_acpi.h
new file mode 100644
index 000000000..a5781f1af
--- /dev/null
+++ b/roms/u-boot/arch/x86/include/asm/intel_acpi.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#ifndef __ASM_INTEL_ACPI_H__
+#define __ASM_INTEL_ACPI_H__
+
+struct acpi_cstate;
+struct acpi_ctx;
+struct acpi_tstate;
+struct udevice;
+
+/**
+ * acpi_generate_cpu_header() - Start generating an ACPI CPU entry
+ *
+ * Generates the ACPI information for a CPU. After this, the caller should
+ * generate_p_state_entries(), generate_t_state_entries and then
+ * acpigen_pop_len() to close off this package.
+ *
+ * @ctx: ACPI context pointer
+ * @core_id: CPU core number, as numbered by the SoC
+ * @c_state_map: Information about each C state
+ * @num_cstates: Number of entries in @c_state_map
+ * @return 0 if OK, -ve on error
+ */
+int acpi_generate_cpu_header(struct acpi_ctx *ctx, int core_id,
+ const struct acpi_cstate *c_state_map,
+ int num_cstates);
+
+/**
+ * acpi_generate_cpu_package_final() - Write out the CPU PPKG entry
+ *
+ * This writes information about the CPUs in the package
+ *
+ * @ctx: ACPI context pointer
+ * @cores_per_package: Number of CPU cores in each package in the SoC
+ */
+int acpi_generate_cpu_package_final(struct acpi_ctx *ctx,
+ int cores_per_package);
+
+void generate_p_state_entries(struct acpi_ctx *ctx, int core,
+ int cores_per_package);
+void generate_t_state_entries(struct acpi_ctx *ctx, int core,
+ int cores_per_package, struct acpi_tstate *entry,
+ int nentries);
+int southbridge_inject_dsdt(const struct udevice *dev, struct acpi_ctx *ctx);
+
+int intel_southbridge_write_acpi_tables(const struct udevice *dev,
+ struct acpi_ctx *ctx);
+
+#endif /* __ASM_INTEL_ACPI_H__ */