Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
firmware: google: Export coreboot table entries
Move types for coreboot table entries to <linux/coreboot.h>. Allows
drivers in other subsystems to use these structures.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Tzung-Bi Shih <tzungbi@kernel.org>
Acked-by: Julius Werner <jwerner@chromium.org>
Link: https://patch.msgid.link/20260217155836.96267-9-tzimmermann@suse.de
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-61
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MAINTAINERS
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MAINTAINERS
···
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S: Maintained
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T: git git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux.git
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F: drivers/firmware/google/
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F: include/linux/coreboot.h
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GOOGLE TENSOR SoC SUPPORT
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M: Peter Griffin <peter.griffin@linaro.org>
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drivers/firmware/google/coreboot_table.c
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drivers/firmware/google/coreboot_table.c
···
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#include "coreboot_table.h"
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/* Coreboot table header structure */
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struct coreboot_table_header {
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char signature[4];
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u32 header_bytes;
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u32 header_checksum;
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u32 table_bytes;
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u32 table_checksum;
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u32 table_entries;
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};
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#define CB_DEV(d) container_of(d, struct coreboot_device, dev)
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#define CB_DRV(d) container_of_const(d, struct coreboot_driver, drv)
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+1
-59
drivers/firmware/google/coreboot_table.h
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-59
drivers/firmware/google/coreboot_table.h
···
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#ifndef __COREBOOT_TABLE_H
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#define __COREBOOT_TABLE_H
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#include <linux/coreboot.h>
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#include <linux/device.h>
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struct coreboot_device_id;
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/* Coreboot table header structure */
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struct coreboot_table_header {
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char signature[4];
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u32 header_bytes;
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u32 header_checksum;
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u32 table_bytes;
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u32 table_checksum;
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u32 table_entries;
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};
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/* List of coreboot entry structures that is used */
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/* Generic */
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struct coreboot_table_entry {
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u32 tag;
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u32 size;
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};
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/* Points to a CBMEM entry */
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struct lb_cbmem_ref {
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u32 tag;
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u32 size;
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u64 cbmem_addr;
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};
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#define LB_TAG_CBMEM_ENTRY 0x31
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/* Corresponds to LB_TAG_CBMEM_ENTRY */
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struct lb_cbmem_entry {
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u32 tag;
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u32 size;
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u64 address;
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u32 entry_size;
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u32 id;
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};
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/* Describes framebuffer setup by coreboot */
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struct lb_framebuffer {
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u32 tag;
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u32 size;
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u64 physical_address;
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u32 x_resolution;
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u32 y_resolution;
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u32 bytes_per_line;
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u8 bits_per_pixel;
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u8 red_mask_pos;
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u8 red_mask_size;
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u8 green_mask_pos;
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u8 green_mask_size;
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u8 blue_mask_pos;
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u8 blue_mask_size;
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u8 reserved_mask_pos;
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u8 reserved_mask_size;
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};
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/* A device, additionally with information from coreboot. */
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struct coreboot_device {
-2
drivers/firmware/google/framebuffer-coreboot.c
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drivers/firmware/google/framebuffer-coreboot.c
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include/linux/coreboot.h
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include/linux/coreboot.h
···
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* coreboot.h
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*
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* Coreboot device and driver interfaces.
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*
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* Copyright 2014 Gerd Hoffmann <kraxel@redhat.com>
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* Copyright 2017 Google Inc.
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* Copyright 2017 Samuel Holland <samuel@sholland.org>
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*/
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#ifndef _LINUX_COREBOOT_H
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#define _LINUX_COREBOOT_H
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#include <linux/types.h>
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/* List of coreboot entry structures that is used */
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#define CB_TAG_FRAMEBUFFER 0x12
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#define LB_TAG_CBMEM_ENTRY 0x31
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/* Generic */
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struct coreboot_table_entry {
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u32 tag;
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u32 size;
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};
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/* Points to a CBMEM entry */
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struct lb_cbmem_ref {
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u32 tag;
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u32 size;
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u64 cbmem_addr;
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};
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/* Corresponds to LB_TAG_CBMEM_ENTRY */
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struct lb_cbmem_entry {
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u32 tag;
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u32 size;
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u64 address;
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u32 entry_size;
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u32 id;
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};
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/* Describes framebuffer setup by coreboot */
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struct lb_framebuffer {
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u32 tag;
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u32 size;
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u64 physical_address;
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u32 x_resolution;
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u32 y_resolution;
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u32 bytes_per_line;
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u8 bits_per_pixel;
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u8 red_mask_pos;
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u8 red_mask_size;
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u8 green_mask_pos;
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u8 green_mask_size;
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u8 blue_mask_pos;
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u8 blue_mask_size;
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u8 reserved_mask_pos;
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u8 reserved_mask_size;
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};
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#endif /* _LINUX_COREBOOT_H */