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https://github.com/brain-hackers/u-boot-brain
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97 lines
2.1 KiB
C
97 lines
2.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2020 Google LLC
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*/
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#include <common.h>
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#include <acpi/acpigen.h>
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#include <acpi/acpi_table.h>
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#include <asm/acpigen.h>
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void acpigen_write_empty_pct(struct acpi_ctx *ctx)
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{
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/*
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* Name (_PCT, Package (0x02)
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* {
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* ResourceTemplate ()
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* {
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* Register (FFixedHW,
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* 0x00, // Bit Width
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* 0x00, // Bit Offset
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* 0x0000000000000000, // Address
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* ,)
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* },
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*
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* ResourceTemplate ()
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* {
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* Register (FFixedHW,
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* 0x00, // Bit Width
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* 0x00, // Bit Offset
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* 0x0000000000000000, // Address
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* ,)
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* }
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* })
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*/
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static char stream[] = {
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/* 00000030 "0._PCT.," */
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0x08, 0x5f, 0x50, 0x43, 0x54, 0x12, 0x2c,
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/* 00000038 "........" */
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0x02, 0x11, 0x14, 0x0a, 0x11, 0x82, 0x0c, 0x00,
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/* 00000040 "........" */
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0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* 00000048 "....y..." */
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0x00, 0x00, 0x00, 0x00, 0x79, 0x00, 0x11, 0x14,
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/* 00000050 "........" */
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0x0a, 0x11, 0x82, 0x0c, 0x00, 0x7f, 0x00, 0x00,
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/* 00000058 "........" */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x79, 0x00
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};
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acpigen_emit_stream(ctx, stream, ARRAY_SIZE(stream));
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}
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void acpigen_write_empty_ptc(struct acpi_ctx *ctx)
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{
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/*
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* Name (_PTC, Package (0x02)
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* {
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* ResourceTemplate ()
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* {
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* Register (FFixedHW,
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* 0x00, // Bit Width
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* 0x00, // Bit Offset
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* 0x0000000000000000, // Address
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* ,)
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* },
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*
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* ResourceTemplate ()
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* {
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* Register (FFixedHW,
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* 0x00, // Bit Width
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* 0x00, // Bit Offset
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* 0x0000000000000000, // Address
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* ,)
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* }
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* })
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*/
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struct acpi_gen_regaddr addr = {
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.space_id = ACPI_ADDRESS_SPACE_FIXED,
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.bit_width = 0,
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.bit_offset = 0,
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.access_size = 0,
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.addrl = 0,
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.addrh = 0,
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};
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acpigen_write_name(ctx, "_PTC");
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acpigen_write_package(ctx, 2);
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/* ControlRegister */
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acpigen_write_register_resource(ctx, &addr);
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/* StatusRegister */
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acpigen_write_register_resource(ctx, &addr);
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acpigen_pop_len(ctx);
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}
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