1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _PPC_REDBOOT_H 3#define _PPC_REDBOOT_H 4 5//========================================================================= 6// include/asm-ppc/redboot.h 7// Copyright (c) 2002, 2003 Gary Thomas (<gary@mlbassoc.com> 8// Copyright (c) 1997 Dan Malek (dmalek@jlc.net) 9 10// 11// Board specific details, as provided by RedBoot 12// 13 14/* A Board Information structure that is given to a program when 15 * RedBoot starts it up. Note: not all fields make sense for all 16 * architectures and it's up to the platform specific code to fill 17 * in the details. 18 */ 19typedef struct bd_info { 20 unsigned int bi_tag; /* Should be 0x42444944 "BDID" */ 21 unsigned int bi_size; /* Size of this structure */ 22 unsigned int bi_revision; /* revision of this structure */ 23 unsigned int bi_bdate; /* bootstrap date, i.e. 0x19971106 */ 24 unsigned int bi_memstart; /* Memory start address */ 25 unsigned int bi_memsize; /* Memory (end) size in bytes */ 26 unsigned int bi_intfreq; /* Internal Freq, in Hz */ 27 unsigned int bi_busfreq; /* Bus Freq, in Hz */ 28 unsigned int bi_cpmfreq; /* CPM Freq, in Hz */ 29 unsigned int bi_brgfreq; /* BRG Freq, in Hz */ 30 unsigned int bi_vco; /* VCO Out from PLL */ 31 unsigned int bi_pci_freq; /* PCI Freq, in Hz */ 32 unsigned int bi_baudrate; /* Default console baud rate */ 33 unsigned int bi_immr; /* IMMR when called from boot rom */ 34 unsigned char bi_enetaddr[6]; 35 unsigned int bi_flashbase; /* Physical address of FLASH memory */ 36 unsigned int bi_flashsize; /* Length of FLASH memory */ 37 int bi_flashwidth; /* Width (8,16,32,64) */ 38 unsigned char *bi_cmdline; /* Pointer to command line */ 39 unsigned char bi_esa[3][6]; /* Ethernet station addresses */ 40 unsigned int bi_ramdisk_begin, bi_ramdisk_end; 41 struct { /* Information about [main] video screen */ 42 short x_res; /* Horizontal resolution in pixels */ 43 short y_res; /* Vertical resolution in pixels */ 44 short bpp; /* Bits/pixel */ 45 short mode; /* Type of pixels (packed, indexed) */ 46 unsigned long fb; /* Pointer to frame buffer (pixel) memory */ 47 } bi_video; 48 void (*bi_cputc)(char); /* Write a character to the RedBoot console */ 49 char (*bi_cgetc)(void); /* Read a character from the RedBoot console */ 50 int (*bi_ctstc)(void); /* Test for input on the RedBoot console */ 51} bd_t; 52 53#define BI_REV 0x0102 /* Version 1.02 */ 54 55#define bi_pci_busfreq bi_pci_freq 56#define bi_immr_base bi_immr 57#endif 58