#ifndef _PPC_REDBOOT_H #define _PPC_REDBOOT_H //========================================================================= // include/asm-ppc/redboot.h // Copyright (c) 2002, 2003 Gary Thomas (<gary@mlbassoc.com> // Copyright (c) 1997 Dan Malek (dmalek@jlc.net) // // Board specific details, as provided by RedBoot // /* A Board Information structure that is given to a program when * RedBoot starts it up. Note: not all fields make sense for all * architectures and it's up to the platform specific code to fill * in the details. */ typedef struct bd_info { unsigned int bi_tag; /* Should be 0x42444944 "BDID" */ unsigned int bi_size; /* Size of this structure */ unsigned int bi_revision; /* revision of this structure */ unsigned int bi_bdate; /* bootstrap date, i.e. 0x19971106 */ unsigned int bi_memstart; /* Memory start address */ unsigned int bi_memsize; /* Memory (end) size in bytes */ unsigned int bi_intfreq; /* Internal Freq, in Hz */ unsigned int bi_busfreq; /* Bus Freq, in Hz */ unsigned int bi_cpmfreq; /* CPM Freq, in Hz */ unsigned int bi_brgfreq; /* BRG Freq, in Hz */ unsigned int bi_vco; /* VCO Out from PLL */ unsigned int bi_pci_freq; /* PCI Freq, in Hz */ unsigned int bi_baudrate; /* Default console baud rate */ unsigned int bi_immr; /* IMMR when called from boot rom */ unsigned char bi_enetaddr[6]; unsigned int bi_flashbase; /* Physical address of FLASH memory */ unsigned int bi_flashsize; /* Length of FLASH memory */ int bi_flashwidth; /* Width (8,16,32,64) */ unsigned char *bi_cmdline; /* Pointer to command line */ unsigned char bi_esa[3][6]; /* Ethernet station addresses */ unsigned int bi_ramdisk_begin, bi_ramdisk_end; struct { /* Information about [main] video screen */ short x_res; /* Horizontal resolution in pixels */ short y_res; /* Vertical resolution in pixels */ short bpp; /* Bits/pixel */ short mode; /* Type of pixels (packed, indexed) */ unsigned long fb; /* Pointer to frame buffer (pixel) memory */ } bi_video; void (*bi_cputc)(char); /* Write a character to the RedBoot console */ char (*bi_cgetc)(void); /* Read a character from the RedBoot console */ int (*bi_ctstc)(void); /* Test for input on the RedBoot console */ } bd_t; #define BI_REV 0x0102 /* Version 1.02 */ #define bi_pci_busfreq bi_pci_freq #define bi_immr_base bi_immr #endif |