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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/powerpc/include/asm/bootx.h | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/include/asm/bootx.h')
-rw-r--r-- | arch/powerpc/include/asm/bootx.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/bootx.h b/arch/powerpc/include/asm/bootx.h new file mode 100644 index 000000000..1c121f3c5 --- /dev/null +++ b/arch/powerpc/include/asm/bootx.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * This file describes the structure passed from the BootX application + * (for MacOS) when it is used to boot Linux. + * + * Written by Benjamin Herrenschmidt. + */ + +#ifndef __ASM_BOOTX_H__ +#define __ASM_BOOTX_H__ + +#include <uapi/asm/bootx.h> + +/* (*) The format of the colormap is 256 * 3 * 2 bytes. Each color index + * is represented by 3 short words containing a 16 bits (unsigned) color + * component. Later versions may contain the gamma table for direct-color + * devices here. + */ +#define BOOTX_COLORTABLE_SIZE (256UL*3UL*2UL) + +/* BootX passes the device-tree using a format that comes from earlier + * ppc32 kernels. This used to match what is in prom.h, but not anymore + * so we now define it here + */ +struct bootx_dt_prop { + u32 name; + int length; + u32 value; + u32 next; +}; + +struct bootx_dt_node { + u32 unused0; + u32 unused1; + u32 phandle; /* not really available */ + u32 unused2; + u32 unused3; + u32 unused4; + u32 unused5; + u32 full_name; + u32 properties; + u32 parent; + u32 child; + u32 sibling; + u32 next; + u32 allnext; +}; + +extern void bootx_init(unsigned long r4, unsigned long phys); + +#endif |