1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2b09c1644SScott Wood #ifndef _PPC_REDBOOT_H 3b09c1644SScott Wood #define _PPC_REDBOOT_H 4b09c1644SScott Wood 5b09c1644SScott Wood //========================================================================= 6b09c1644SScott Wood // include/asm-ppc/redboot.h 7b09c1644SScott Wood // Copyright (c) 2002, 2003 Gary Thomas (<gary@mlbassoc.com> 8b09c1644SScott Wood // Copyright (c) 1997 Dan Malek (dmalek@jlc.net) 9b09c1644SScott Wood 10b09c1644SScott Wood // 11b09c1644SScott Wood // Board specific details, as provided by RedBoot 12b09c1644SScott Wood // 13b09c1644SScott Wood 14b09c1644SScott Wood /* A Board Information structure that is given to a program when 15b09c1644SScott Wood * RedBoot starts it up. Note: not all fields make sense for all 16b09c1644SScott Wood * architectures and it's up to the platform specific code to fill 17b09c1644SScott Wood * in the details. 18b09c1644SScott Wood */ 19b09c1644SScott Wood typedef struct bd_info { 20b09c1644SScott Wood unsigned int bi_tag; /* Should be 0x42444944 "BDID" */ 21b09c1644SScott Wood unsigned int bi_size; /* Size of this structure */ 22b09c1644SScott Wood unsigned int bi_revision; /* revision of this structure */ 23b09c1644SScott Wood unsigned int bi_bdate; /* bootstrap date, i.e. 0x19971106 */ 24b09c1644SScott Wood unsigned int bi_memstart; /* Memory start address */ 25b09c1644SScott Wood unsigned int bi_memsize; /* Memory (end) size in bytes */ 26b09c1644SScott Wood unsigned int bi_intfreq; /* Internal Freq, in Hz */ 27b09c1644SScott Wood unsigned int bi_busfreq; /* Bus Freq, in Hz */ 28b09c1644SScott Wood unsigned int bi_cpmfreq; /* CPM Freq, in Hz */ 29b09c1644SScott Wood unsigned int bi_brgfreq; /* BRG Freq, in Hz */ 30b09c1644SScott Wood unsigned int bi_vco; /* VCO Out from PLL */ 31b09c1644SScott Wood unsigned int bi_pci_freq; /* PCI Freq, in Hz */ 32b09c1644SScott Wood unsigned int bi_baudrate; /* Default console baud rate */ 33b09c1644SScott Wood unsigned int bi_immr; /* IMMR when called from boot rom */ 34b09c1644SScott Wood unsigned char bi_enetaddr[6]; 35b09c1644SScott Wood unsigned int bi_flashbase; /* Physical address of FLASH memory */ 36b09c1644SScott Wood unsigned int bi_flashsize; /* Length of FLASH memory */ 37b09c1644SScott Wood int bi_flashwidth; /* Width (8,16,32,64) */ 38b09c1644SScott Wood unsigned char *bi_cmdline; /* Pointer to command line */ 39b09c1644SScott Wood unsigned char bi_esa[3][6]; /* Ethernet station addresses */ 40b09c1644SScott Wood unsigned int bi_ramdisk_begin, bi_ramdisk_end; 41b09c1644SScott Wood struct { /* Information about [main] video screen */ 42b09c1644SScott Wood short x_res; /* Horizontal resolution in pixels */ 43b09c1644SScott Wood short y_res; /* Vertical resolution in pixels */ 44b09c1644SScott Wood short bpp; /* Bits/pixel */ 45b09c1644SScott Wood short mode; /* Type of pixels (packed, indexed) */ 46b09c1644SScott Wood unsigned long fb; /* Pointer to frame buffer (pixel) memory */ 47b09c1644SScott Wood } bi_video; 48b09c1644SScott Wood void (*bi_cputc)(char); /* Write a character to the RedBoot console */ 49b09c1644SScott Wood char (*bi_cgetc)(void); /* Read a character from the RedBoot console */ 50b09c1644SScott Wood int (*bi_ctstc)(void); /* Test for input on the RedBoot console */ 51b09c1644SScott Wood } bd_t; 52b09c1644SScott Wood 53b09c1644SScott Wood #define BI_REV 0x0102 /* Version 1.02 */ 54b09c1644SScott Wood 55b09c1644SScott Wood #define bi_pci_busfreq bi_pci_freq 56b09c1644SScott Wood #define bi_immr_base bi_immr 57b09c1644SScott Wood #endif 58