162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _PPC_REDBOOT_H 362306a36Sopenharmony_ci#define _PPC_REDBOOT_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci//========================================================================= 662306a36Sopenharmony_ci// include/asm-ppc/redboot.h 762306a36Sopenharmony_ci// Copyright (c) 2002, 2003 Gary Thomas (<gary@mlbassoc.com> 862306a36Sopenharmony_ci// Copyright (c) 1997 Dan Malek (dmalek@jlc.net) 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci// 1162306a36Sopenharmony_ci// Board specific details, as provided by RedBoot 1262306a36Sopenharmony_ci// 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci/* A Board Information structure that is given to a program when 1562306a36Sopenharmony_ci * RedBoot starts it up. Note: not all fields make sense for all 1662306a36Sopenharmony_ci * architectures and it's up to the platform specific code to fill 1762306a36Sopenharmony_ci * in the details. 1862306a36Sopenharmony_ci */ 1962306a36Sopenharmony_citypedef struct bd_info { 2062306a36Sopenharmony_ci unsigned int bi_tag; /* Should be 0x42444944 "BDID" */ 2162306a36Sopenharmony_ci unsigned int bi_size; /* Size of this structure */ 2262306a36Sopenharmony_ci unsigned int bi_revision; /* revision of this structure */ 2362306a36Sopenharmony_ci unsigned int bi_bdate; /* bootstrap date, i.e. 0x19971106 */ 2462306a36Sopenharmony_ci unsigned int bi_memstart; /* Memory start address */ 2562306a36Sopenharmony_ci unsigned int bi_memsize; /* Memory (end) size in bytes */ 2662306a36Sopenharmony_ci unsigned int bi_intfreq; /* Internal Freq, in Hz */ 2762306a36Sopenharmony_ci unsigned int bi_busfreq; /* Bus Freq, in Hz */ 2862306a36Sopenharmony_ci unsigned int bi_cpmfreq; /* CPM Freq, in Hz */ 2962306a36Sopenharmony_ci unsigned int bi_brgfreq; /* BRG Freq, in Hz */ 3062306a36Sopenharmony_ci unsigned int bi_vco; /* VCO Out from PLL */ 3162306a36Sopenharmony_ci unsigned int bi_pci_freq; /* PCI Freq, in Hz */ 3262306a36Sopenharmony_ci unsigned int bi_baudrate; /* Default console baud rate */ 3362306a36Sopenharmony_ci unsigned int bi_immr; /* IMMR when called from boot rom */ 3462306a36Sopenharmony_ci unsigned char bi_enetaddr[6]; 3562306a36Sopenharmony_ci unsigned int bi_flashbase; /* Physical address of FLASH memory */ 3662306a36Sopenharmony_ci unsigned int bi_flashsize; /* Length of FLASH memory */ 3762306a36Sopenharmony_ci int bi_flashwidth; /* Width (8,16,32,64) */ 3862306a36Sopenharmony_ci unsigned char *bi_cmdline; /* Pointer to command line */ 3962306a36Sopenharmony_ci unsigned char bi_esa[3][6]; /* Ethernet station addresses */ 4062306a36Sopenharmony_ci unsigned int bi_ramdisk_begin, bi_ramdisk_end; 4162306a36Sopenharmony_ci struct { /* Information about [main] video screen */ 4262306a36Sopenharmony_ci short x_res; /* Horizontal resolution in pixels */ 4362306a36Sopenharmony_ci short y_res; /* Vertical resolution in pixels */ 4462306a36Sopenharmony_ci short bpp; /* Bits/pixel */ 4562306a36Sopenharmony_ci short mode; /* Type of pixels (packed, indexed) */ 4662306a36Sopenharmony_ci unsigned long fb; /* Pointer to frame buffer (pixel) memory */ 4762306a36Sopenharmony_ci } bi_video; 4862306a36Sopenharmony_ci void (*bi_cputc)(char); /* Write a character to the RedBoot console */ 4962306a36Sopenharmony_ci char (*bi_cgetc)(void); /* Read a character from the RedBoot console */ 5062306a36Sopenharmony_ci int (*bi_ctstc)(void); /* Test for input on the RedBoot console */ 5162306a36Sopenharmony_ci} bd_t; 5262306a36Sopenharmony_ci 5362306a36Sopenharmony_ci#define BI_REV 0x0102 /* Version 1.02 */ 5462306a36Sopenharmony_ci 5562306a36Sopenharmony_ci#define bi_pci_busfreq bi_pci_freq 5662306a36Sopenharmony_ci#define bi_immr_base bi_immr 5762306a36Sopenharmony_ci#endif 58