160484Sobrien/* SPDX-License-Identifier: GPL-2.0 */ 260484Sobrien#ifndef _PPC_REDBOOT_H 3218822Sdim#define _PPC_REDBOOT_H 460484Sobrien 5218822Sdim//========================================================================= 660484Sobrien// include/asm-ppc/redboot.h 760484Sobrien// Copyright (c) 2002, 2003 Gary Thomas (<gary@mlbassoc.com> 8130561Sobrien// Copyright (c) 1997 Dan Malek (dmalek@jlc.net) 9130561Sobrien 10130561Sobrien// 1160484Sobrien// Board specific details, as provided by RedBoot 12130561Sobrien// 13130561Sobrien 14130561Sobrien/* A Board Information structure that is given to a program when 15130561Sobrien * RedBoot starts it up. Note: not all fields make sense for all 16130561Sobrien * architectures and it's up to the platform specific code to fill 17130561Sobrien * in the details. 18130561Sobrien */ 19130561Sobrientypedef struct bd_info { 20130561Sobrien unsigned int bi_tag; /* Should be 0x42444944 "BDID" */ 21130561Sobrien unsigned int bi_size; /* Size of this structure */ 22218822Sdim unsigned int bi_revision; /* revision of this structure */ 23130561Sobrien unsigned int bi_bdate; /* bootstrap date, i.e. 0x19971106 */ 24130561Sobrien unsigned int bi_memstart; /* Memory start address */ 25218822Sdim unsigned int bi_memsize; /* Memory (end) size in bytes */ 26130561Sobrien unsigned int bi_intfreq; /* Internal Freq, in Hz */ 27130561Sobrien unsigned int bi_busfreq; /* Bus Freq, in Hz */ 28130561Sobrien unsigned int bi_cpmfreq; /* CPM Freq, in Hz */ 29130561Sobrien unsigned int bi_brgfreq; /* BRG Freq, in Hz */ 30130561Sobrien unsigned int bi_vco; /* VCO Out from PLL */ 31130561Sobrien unsigned int bi_pci_freq; /* PCI Freq, in Hz */ 32130561Sobrien unsigned int bi_baudrate; /* Default console baud rate */ 33130561Sobrien unsigned int bi_immr; /* IMMR when called from boot rom */ 34130561Sobrien unsigned char bi_enetaddr[6]; 35130561Sobrien unsigned int bi_flashbase; /* Physical address of FLASH memory */ 36130561Sobrien unsigned int bi_flashsize; /* Length of FLASH memory */ 37130561Sobrien int bi_flashwidth; /* Width (8,16,32,64) */ 38130561Sobrien unsigned char *bi_cmdline; /* Pointer to command line */ 39130561Sobrien unsigned char bi_esa[3][6]; /* Ethernet station addresses */ 40130561Sobrien unsigned int bi_ramdisk_begin, bi_ramdisk_end; 41130561Sobrien struct { /* Information about [main] video screen */ 42130561Sobrien short x_res; /* Horizontal resolution in pixels */ 43130561Sobrien short y_res; /* Vertical resolution in pixels */ 44218822Sdim short bpp; /* Bits/pixel */ 45130561Sobrien short mode; /* Type of pixels (packed, indexed) */ 46130561Sobrien unsigned long fb; /* Pointer to frame buffer (pixel) memory */ 47130561Sobrien } bi_video; 48130561Sobrien void (*bi_cputc)(char); /* Write a character to the RedBoot console */ 49130561Sobrien char (*bi_cgetc)(void); /* Read a character from the RedBoot console */ 50130561Sobrien int (*bi_ctstc)(void); /* Test for input on the RedBoot console */ 51130561Sobrien} bd_t; 52130561Sobrien 53130561Sobrien#define BI_REV 0x0102 /* Version 1.02 */ 54130561Sobrien 55130561Sobrien#define bi_pci_busfreq bi_pci_freq 56130561Sobrien#define bi_immr_base bi_immr 57130561Sobrien#endif 58130561Sobrien