1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * This file describes the structure passed from the BootX application
4 * (for MacOS) when it is used to boot Linux.
5 *
6 * Written by Benjamin Herrenschmidt.
7 */
8
9 #ifndef __ASM_BOOTX_H__
10 #define __ASM_BOOTX_H__
11
12 #include <uapi/asm/bootx.h>
13
14 /* (*) The format of the colormap is 256 * 3 * 2 bytes. Each color index
15 * is represented by 3 short words containing a 16 bits (unsigned) color
16 * component. Later versions may contain the gamma table for direct-color
17 * devices here.
18 */
19 #define BOOTX_COLORTABLE_SIZE (256UL*3UL*2UL)
20
21 /* BootX passes the device-tree using a format that comes from earlier
22 * ppc32 kernels. This used to match what is in prom.h, but not anymore
23 * so we now define it here
24 */
25 struct bootx_dt_prop {
26 u32 name;
27 int length;
28 u32 value;
29 u32 next;
30 };
31
32 struct bootx_dt_node {
33 u32 unused0;
34 u32 unused1;
35 u32 phandle; /* not really available */
36 u32 unused2;
37 u32 unused3;
38 u32 unused4;
39 u32 unused5;
40 u32 full_name;
41 u32 properties;
42 u32 parent;
43 u32 child;
44 u32 sibling;
45 u32 next;
46 u32 allnext;
47 };
48
49 extern void bootx_init(unsigned long r4, unsigned long phys);
50
51 #endif