162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * This file describes the structure passed from the BootX application 462306a36Sopenharmony_ci * (for MacOS) when it is used to boot Linux. 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * Written by Benjamin Herrenschmidt. 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#ifndef __ASM_BOOTX_H__ 1062306a36Sopenharmony_ci#define __ASM_BOOTX_H__ 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#include <uapi/asm/bootx.h> 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci/* (*) The format of the colormap is 256 * 3 * 2 bytes. Each color index 1562306a36Sopenharmony_ci * is represented by 3 short words containing a 16 bits (unsigned) color 1662306a36Sopenharmony_ci * component. Later versions may contain the gamma table for direct-color 1762306a36Sopenharmony_ci * devices here. 1862306a36Sopenharmony_ci */ 1962306a36Sopenharmony_ci#define BOOTX_COLORTABLE_SIZE (256UL*3UL*2UL) 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci/* BootX passes the device-tree using a format that comes from earlier 2262306a36Sopenharmony_ci * ppc32 kernels. This used to match what is in prom.h, but not anymore 2362306a36Sopenharmony_ci * so we now define it here 2462306a36Sopenharmony_ci */ 2562306a36Sopenharmony_cistruct bootx_dt_prop { 2662306a36Sopenharmony_ci u32 name; 2762306a36Sopenharmony_ci int length; 2862306a36Sopenharmony_ci u32 value; 2962306a36Sopenharmony_ci u32 next; 3062306a36Sopenharmony_ci}; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_cistruct bootx_dt_node { 3362306a36Sopenharmony_ci u32 unused0; 3462306a36Sopenharmony_ci u32 unused1; 3562306a36Sopenharmony_ci u32 phandle; /* not really available */ 3662306a36Sopenharmony_ci u32 unused2; 3762306a36Sopenharmony_ci u32 unused3; 3862306a36Sopenharmony_ci u32 unused4; 3962306a36Sopenharmony_ci u32 unused5; 4062306a36Sopenharmony_ci u32 full_name; 4162306a36Sopenharmony_ci u32 properties; 4262306a36Sopenharmony_ci u32 parent; 4362306a36Sopenharmony_ci u32 child; 4462306a36Sopenharmony_ci u32 sibling; 4562306a36Sopenharmony_ci u32 next; 4662306a36Sopenharmony_ci u32 allnext; 4762306a36Sopenharmony_ci}; 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ciextern void bootx_init(unsigned long r4, unsigned long phys); 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ci#endif 52