/* 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